TWI765116B - Weft insertion device of rapier loom - Google Patents

Weft insertion device of rapier loom Download PDF

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Publication number
TWI765116B
TWI765116B TW107139277A TW107139277A TWI765116B TW I765116 B TWI765116 B TW I765116B TW 107139277 A TW107139277 A TW 107139277A TW 107139277 A TW107139277 A TW 107139277A TW I765116 B TWI765116 B TW I765116B
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Taiwan
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holding
yarn
rapier
guide
flat yarn
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TW107139277A
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Chinese (zh)
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TW201918600A (en
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吉森大祐
石田恭之
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日商津田駒工業股份有限公司
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/125Weft holding devices
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/008Looms for weaving flat yarns
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/16Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by a gripper needle entering the shed empty and drawing the weft as it retracts
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/24Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by gripper or dummy shuttle
    • D03D47/25Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick by gripper or dummy shuttle inserted from only one side of loom

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

本發明提供一種投緯裝置,在使用帶狀之扁平紗作為緯紗進行織製的單側劍桿織機中,以不會對扁平紗帶來損傷且更可靠地進行扁平紗之保持的方式構成紗引導機構。在上述之單側劍桿織機中,以關於上下方向隔著劍頭之行進路徑引導的方式在喂紗側保持扁平紗的紗引導機構具備:保持裝置,其包括設於劍頭之行進路徑之下方且從上方接納並保持扁平紗的保持體;引導裝置,其設於保持裝置之上方且將扁平紗之前端部導入保持裝置;引導構件,其在比上述行進路徑更靠上方引導扁平紗。還有,引導裝置包括:引導板,其在保持裝置的保持體之正上方以板面與織幅方向正交的方式設置;引導板驅動裝置,其使引導板在比上述行進路徑更靠上方的待機位置及引導板之前端到達保持體的引導位置這兩個位置之間位移。 The present invention provides a weft insertion device for forming a yarn in a single-sided rapier loom that uses a ribbon-shaped flat yarn as a weft for weaving, so as not to damage the flat yarn and to more reliably hold the flat yarn guide agency. In the above-mentioned single-sided rapier loom, the yarn guide mechanism for holding the flat yarn on the yarn feeding side so as to guide the travel path of the rapier in the vertical direction is provided with: a holding device including a A holding body that receives and holds the flat yarn from below and from above; a guide device that is provided above the holding device and guides the front end of the flat yarn into the holding device; and a guide member that guides the flat yarn above the travel path. Further, the guide device includes: a guide plate provided so that the plate surface is perpendicular to the web direction right above the holding body of the holding device; The stand-by position of the guide plate and the guide position where the front end of the guide plate reaches the holder is displaced between the two positions.

Description

劍桿織機的投緯裝置Weft insertion device of rapier loom

本發明涉及使用帶狀之扁平紗作為緯紗進行織製的劍桿織機的投緯裝置,特別是涉及如下劍桿織機的投緯裝置,該投緯裝置係為待機位置設定於反喂紗側的劍頭朝向喂紗側前進,並且一邊使在喂紗側把持的上述扁平紗後退一邊進行投緯的單側劍桿形式,並且包括紗引導機構,該紗引導機構以關於上下方向隔著上述劍頭之行進路徑引導被上述劍頭把持之前之上述扁平紗的方式在喂紗側保持上述扁平紗。The present invention relates to a weft insertion device of a rapier loom that uses a ribbon-shaped flat yarn as a weft yarn for weaving, and in particular to a weft insertion device of the rapier loom, wherein the weft insertion device is set in a standby position on the reverse yarn feeding side. A single-sided rapier type in which the rapier advances toward the yarn feeding side and performs weft insertion while retreating the above-mentioned flat yarn held on the yarn feeding side, and includes a yarn guide mechanism that separates the above-mentioned rapier with respect to the up-down direction. The traveling path of the head guides the flat yarn before being held by the rapier, and holds the flat yarn on the yarn feeding side.

為了能夠進行使用帶狀之扁平紗作為緯紗的織製,以往已知有投緯裝置構成為可進行這種扁平紗的投緯的劍桿織機。此外,在投緯扁平紗時,需要以不使該扁平紗產生扭曲等的方式進行投緯。而且,作為用以實現這種投緯的投緯裝置,有下述專利文獻1中公開的投緯裝置。In order to enable weaving using a ribbon-shaped flat yarn as a weft yarn, a rapier loom having a weft insertion device configured to perform weft insertion of such a flat yarn has been conventionally known. In addition, when the flat yarn is wefted, it is necessary to perform the weft insertion such that the flat yarn is not twisted or the like. Further, as a weft insertion device for realizing such weft insertion, there is a weft insertion device disclosed in Patent Document 1 below.

該專利文獻1中公開的投緯裝置係藉由使待機位置被設定於反喂紗側的劍頭朝向喂紗側前進,並且,該劍頭在喂紗側把持緯紗,藉此伴隨該劍頭之後退而進行緯紗(扁平紗)之投緯的單側劍桿形式之投緯裝置。另外,具備這種單側劍桿形式之投緯裝置的劍桿織機也被稱為單側劍桿織機。The weft insertion device disclosed in this Patent Document 1 is accompanied by the rapier whose standby position is set on the back-feeding side toward the yarn feeding side, and the rapier grips the weft on the yarn feeding side. A single-sided rapier-type weft insertion device that moves backward and performs weft insertion of weft yarns (flat yarns). In addition, a rapier loom equipped with a weft insertion device in the form of a one-sided rapier is also called a one-sided rapier loom.

又,為了如上述那樣以不使扁平紗產生扭轉的方式進行投緯,在喂紗側被劍頭把持之前之扁平紗需要在與織機之前後方向(經紗T之延伸方向)上的劍頭之行進位置相同的位置,在俯視圖中與投緯方向(織幅方向)平行地延伸,並且,以使其面(專利文獻1中所說的扁平面)朝向上下方向的狀態被引導。還有,為了使得劍頭能夠把持該狀態之扁平紗,扁平紗需要在劍頭之最前進位置附近以其前端側之部分隔著劍頭之行進路徑在上下方向上延伸的方式被引導。Also, in order to perform weft insertion without causing twisting of the flat yarn as described above, the flat yarn before being held by the rapier on the yarn feeding side needs to be separated from the rapier in the front-rear direction of the loom (the direction in which the warp yarn T extends). The position having the same running position extends parallel to the weft insertion direction (web width direction) in plan view, and is guided with its surface (flat surface as referred to in Patent Document 1) facing the vertical direction. Also, in order for the rapier to hold the flat yarn in this state, the flat yarn needs to be guided so that the front end side of the flat yarn extends in the vertical direction across the travel path of the rapier near the most advanced position of the rapier.

專利文獻1還公開了一種用以這樣引導扁平紗之紗引導機構。而且,該專利文獻1的紗引導機構由以夾持扁平紗之前端部的狀態保持的紗端夾持部和在比該紗端夾持部更靠上游側(喂紗體側)引導緯紗的緯紗支撐部構成。 [先前技術文獻] [專利文獻]Patent Document 1 also discloses a yarn guide mechanism for guiding the flat yarn in this way. Further, the yarn guide mechanism of Patent Document 1 includes a yarn end gripping portion held in a state of gripping the front end portion of the flat yarn, and a yarn end gripping portion that guides the weft on the upstream side (yarn feeder side) of the yarn end gripping portion. The weft yarn support part is constituted. [Prior Art Literature] [Patent Literature]

專利文獻1:日本特開2012-046835號公報Patent Document 1: Japanese Patent Laid-Open No. 2012-046835

[發明所欲解決之課題][The problem to be solved by the invention]

然而,專利文獻1中公開的紗引導機構的紗夾持部由在比劍頭之行進路徑更靠下方以包含劍頭之行進位置在內在上述前後方向上延伸的方式設置的固定夾持片和與該固定夾持片同樣地在上述前後方向上延伸並且以相對於固定夾持片在上下方向上接近和遠離的方式設置的可動夾持片構成。而且,該紗夾持部為在上下方向上夾持扁平紗之前端部的機構。又,緯紗支撐部形成為在上述前後方向上長的橫U字形,並且構成為可在上方及下方支撐扁平紗之結構。However, the yarn gripping portion of the yarn guide mechanism disclosed in Patent Document 1 consists of a fixed gripping piece provided below the traveling path of the rapier to extend in the front-rear direction including the traveling position of the rapier and Similar to the fixed holding piece, the movable holding piece extends in the front-rear direction and is provided so as to approach and separate in the vertical direction with respect to the fixed holding piece. Further, the yarn holding portion is a mechanism for holding the leading end portion of the flat yarn in the up-down direction. In addition, the weft yarn support portion is formed in a horizontal U shape long in the front-rear direction, and is configured to support the flat yarns above and below.

而且,在這樣構成了紗引導機構的專利文獻1之劍桿織機中,在劍頭把持扁平紗的時點,該劍頭位於紗夾持部(可動夾持片)之正上方,在投緯時,以使扁平紗從紗夾持部(可動夾持片)之上方通過的方式引出扁平紗。還有,在該專利文獻1之紗引導機構中,在劍頭後退時(投緯中),紗夾持部的可動夾持片朝向上方位移,並且,緯紗支撐部朝向下方位移。因此,在該紗引導機構中,伴隨該紗夾持部的可動夾持片之位移,投緯中之扁平紗成為載置於可動夾持片之上表面的狀態,並且,伴隨緯紗支撐部向下方之位移,在比紗夾持部更靠上游側,扁平紗被向下方按壓。而且,在專利文獻1中,藉由該可動夾持片及緯紗支撐部之位移,扁平紗從載置於可動夾持片之上表面的狀態滑落,成為位於固定夾持片上(固定夾持片和可動夾持片之間)的狀態。Furthermore, in the rapier loom of Patent Document 1 having the yarn guide mechanism configured in this way, when the rapier grips the flat yarn, the rapier is positioned just above the yarn gripping portion (movable gripping piece), and at the time of weft insertion , and draw out the flat yarn in such a way that the flat yarn passes over the yarn clamping part (movable clamping piece). In the yarn guide mechanism of Patent Document 1, when the rapier is retracted (during weft picking), the movable gripping piece of the yarn gripping portion is displaced upward, and the weft support portion is displaced downward. Therefore, in the yarn guide mechanism, the flat yarn in the weft insertion is placed on the upper surface of the movable holding piece with the displacement of the movable holding piece of the yarn holding portion, and the weft supporting portion moves toward the upper surface of the moving holding piece. The downward displacement causes the flat yarn to be pressed downward on the upstream side of the yarn holding portion. Furthermore, in Patent Document 1, by the displacement of the movable clamping piece and the weft support portion, the flat yarn slides off from the state placed on the upper surface of the movable clamping piece, and is positioned on the fixed clamping piece (fixed clamping piece). and the movable clamping piece).

然而,在這種專利文獻1之紗引導機構中,存在如下之問題。However, the yarn guiding mechanism of Patent Document 1 has the following problems.

首先,在該專利文獻1之紗引導機構中,如上所述,在投緯中,扁平紗成為載置於可動夾持片的狀態(扁平紗被可動夾持片頂起),並且,扁平紗被緯紗支撐部壓下。在這種情況下,扁平紗在遍及其包含用以形成織物之部分的整個部分,相對於可動夾持片及緯紗支撐部一邊滑動接觸一邊被引出。而且,在進行投緯時,扁平紗被以高速引出,因此,成為張力昇高的狀態。而且,如上所述,當扁平紗被可動夾持片頂起,並且被緯紗支撐部壓下時,成為該扁平紗之張力進一步昇高的狀態。因此,扁平紗和可動夾持片及緯紗支撐部之間之滑動阻力變得更大。其結果,扁平紗受到損傷,織製的織物之品質有可能降低。First, in the yarn guiding mechanism of Patent Document 1, as described above, during weft picking, the flat yarn is placed on the movable clamping piece (the flat yarn is pushed up by the movable clamping piece), and the flat yarn is Pressed down by the weft support. In this case, the flat yarn is drawn out while sliding in contact with the movable clamping piece and the weft yarn supporting portion over the entire portion including the portion for forming the fabric. In addition, when the weft insertion is performed, the flat yarn is drawn out at a high speed, so that the tension is increased. Furthermore, as described above, when the flat yarn is pushed up by the movable clamping piece and pressed down by the weft support portion, the tension of the flat yarn is further increased. Therefore, the sliding resistance between the flat yarn and the movable clamping piece and the weft yarn supporting portion becomes larger. As a result, the flat yarn is damaged, and the quality of the woven fabric may be deteriorated.

又,在專利文獻1之紗引導機構中,為了把持投緯後之扁平紗,期待扁平紗處於從可動夾持片滑落並位於固定夾持片上的狀態。然而,如上所述,在投緯時成為扁平紗之張力昇高的狀態,且形成扁平紗和可動夾持片之間之滑動阻力較大的狀態。又,在投緯結束後,為了防止織入織物的扁平紗之鬆弛,扁平紗被設為維持張力的狀態。在這種情況下,扁平紗並不總是可靠地從可動夾持片之上表面滑落,在某些情況下,扁平紗仍保持載置於可動夾持片上的狀態,直到打緯後之切斷時為止,有可能成為無法進行扁平紗之把持的狀態。亦即,專利文獻1之紗引導機構的結構為,在扁平紗之保持(為下一次之投緯的準備)方面缺乏可靠性(信賴性)。In addition, in the yarn guide mechanism of Patent Document 1, in order to hold the flat yarn after weft insertion, the flat yarn is expected to be in a state in which the flat yarn slips off the movable holding piece and is positioned on the fixed holding piece. However, as described above, at the time of weft insertion, the tension of the flat yarn is increased, and the sliding resistance between the flat yarn and the movable clamping piece is large. In addition, after the weft insertion is completed, in order to prevent the slack of the flat yarn woven into the fabric, the flat yarn is kept in a state of tension. In this case, the flat yarn does not always slide off the upper surface of the movable clamping piece reliably, and in some cases, the flat yarn remains on the movable clamping piece until the cut after beating Until it breaks, there is a possibility that the flat yarn cannot be grasped. That is, the structure of the yarn guide mechanism of Patent Document 1 lacks reliability (reliability) in holding the flat yarn (in preparation for the next weft insertion).

因此,本發明涉及一種如上所述的包括紗引導機構的用以投緯扁平紗之劍桿織機的投緯裝置,其目的在於提供以不對扁平紗帶來損傷且更可靠地進行扁平紗之保持的方式構成紗引導機構的投緯裝置。 [解決課題之手段]Therefore, the present invention relates to a weft insertion device of a rapier loom for weft insertion of a flat yarn including a yarn guiding mechanism as described above, and its purpose is to provide a more reliable holding of the flat yarn without causing damage to the flat yarn The weft insertion device of the yarn guiding mechanism is constituted in a way. [Means of Solving Problems]

如上所述,本發明以使用帶狀之扁平紗作為緯紗進行織製的劍桿織機的投緯裝置作為前提,該投緯裝置係為待機位置設定於反喂紗側的劍頭朝向喂紗側前進、並且一邊使在喂紗側把持的上述扁平紗後退一邊進行投緯的單側劍桿形式,並且包括紗引導機構,該紗引導機構以關於上下方向隔著上述劍頭之行進路徑引導被上述劍頭把持之前之上述扁平紗的方式在喂紗側保持上述扁平沙。而且,本發明在作為其前提的上述投緯裝置中具有如下之特徵。As mentioned above, the present invention is based on the premise of the weft insertion device of the rapier loom that uses the flat yarn of the ribbon as the weft yarn to weave, and the weft insertion device is the rapier that is set at the back-feeding side for the standby position and faces the feeding side. A single-sided rapier type that advances and performs weft insertion while retreating the above-mentioned flat yarn held on the yarn feeding side, and includes a yarn guide mechanism that guides the rapier with respect to the up-and-down direction across the travel path of the above-mentioned rapier. The above-mentioned flat yarn is held by the rapier before the above-mentioned flat sand is held on the yarn feeding side. Furthermore, the present invention has the following features in the above-mentioned weft insertion device as its premise.

上述紗引導機構具備:保持裝置,其包括從上方接納並保持上述扁平紗之前端部的保持體,上述保持體在關於織幅方向上到達最前進位置的上述劍頭的把持部之位置且關於上下方向設於上述行進路徑之下方;引導裝置,其設於上述保持裝置之上方,且將上述扁平紗之前端部導入上述保持裝置;引導構件,其在比上述行進路徑更靠上方引導上述扁平紗。還有,上述引導裝置包括:引導板,其形成為薄板形狀,且以板面與織幅方向正交的方式設置在上述保持裝置的上述保持體之正上方;引導板驅動裝置,其使該引導板在設定於比上述行進路徑更靠上方的上方待機位置及上述引導板之前端到達上述保持體的引導位置這兩個位置之間位移。The above-mentioned yarn guide mechanism is provided with: a holding device including a holding body for receiving and holding the leading end of the flat yarn from above, and the holding body reaches the position of the grip portion of the rapier that reaches the most advanced position in the weaving width direction and is about The vertical direction is provided below the traveling path; a guide device is provided above the holding device, and guides the leading end of the flat yarn into the holding device; and a guide member guides the flat yarn above the traveling path. yarn. In addition, the above-mentioned guide device includes: a guide plate formed in a thin plate shape and provided directly above the above-mentioned holding body of the above-mentioned holding device so that the plate surface is perpendicular to the weaving direction; The guide plate is displaced between two positions, an upper standby position set above the travel path and a guide position where the front end of the guide plate reaches the holder.

又,在這種本發明的投緯裝置中,亦可將上述保持體係藉由一對保持部把持上述扁平紗的形式,並由第一保持構件和第二保持構件構成,該第一保持構件包括一對上述保持部中之一保持部並且在織幅方向上的配置被固定,該第二保持構件包括一對上述保持部中之另一保持部並且以上述另一保持部相對於上述一保持部接近和遠離的方式設置,而且,上述保持裝置包括把持驅動裝置,該把持驅動裝置以變更上述另一保持部相對於上述一保持部之位置的方式驅動上述第二保持構件。In addition, in the weft insertion device of the present invention, the holding system may be configured such that the flat yarn is held by a pair of holding parts, and may be constituted by a first holding member and a second holding member, the first holding member The second holding member includes one of the pair of the above-mentioned holding portions and is fixed in arrangement in the web direction, the second holding member includes the other of the pair of the above-mentioned holding portions and is opposite to the above-mentioned one with the above-mentioned other holding portion. The holding portions are provided so as to approach and separate, and the holding device includes a grip driving device that drives the second holding member so as to change the position of the other holding portion relative to the one holding portion.

還有,在本發明的投緯裝置中,上述保持裝置包括位移驅動裝置,該位移驅動裝置設置為使上述保持體能夠在水平方向且與織幅方向正交的方向位移,而且,對應上述劍頭朝向上述最前進位置的前進使上述保持體位移。 [發明效果]In addition, in the weft insertion device of the present invention, the holding device includes a displacement driving device provided to displace the holding body in a horizontal direction and in a direction orthogonal to the weaving direction, and corresponding to the sword The advance of the head toward the most advanced position displaces the holding body. [Inventive effect]

在本發明的投緯裝置中,紗引導機構構成為,藉由設於比上述行進路徑更靠下方並從上方接納扁平紗的保持裝置在比劍頭之行進路徑更靠上方保持藉由引導構件引導的扁平紗,藉此,該扁平紗以隔著上述行進路徑橫跨上下方向的形式被引導。而且,該引導構件構成為,以在上下方向的配置被固定的形式設置,不會對投緯中之扁平紗積極地朝向上方或下方作用力。還有,保持裝置設置為,在為了進行投緯而釋放了保持後(投緯中)不會與扁平紗發生干擾。因此,根據該結構,能夠盡可能地降低與投緯中之引導構件或保持裝置的滑動接觸引起的扁平紗之損傷。In the weft insertion device of the present invention, the yarn guide mechanism is configured to be held by the guide member above the travel path of the rapier by the holding device provided below the travel path and receiving the flat yarn from above. The guided flat yarn is thereby guided so as to traverse the vertical direction across the traveling path. Furthermore, the guide member is provided so that the arrangement in the vertical direction is fixed, and the flat yarn in the weft insertion is not positively urged upward or downward. In addition, the holding device is provided so as not to interfere with the flat yarn after the holding is released (during weft insertion) for weft insertion. Therefore, according to this structure, damage to the flat yarn due to sliding contact with the guide member or the holding device in the weft insertion can be reduced as much as possible.

還有,該紗引導機構具備包括設於保持裝置的保持體之正上方的引導板的引導裝置,該引導裝置以引導板朝向保持體位移的方式構成。又,該引導板以將其待機位置設定於比上述行進路徑更靠上方的形式設置。因此,根據該結構,打緯後被切斷而從投緯的部分切離的喂紗側之扁平紗之前端部藉由位於其上方的引導板朝向位於下方的保持體位移,藉由該引導板朝向保持體引導。因此,根據該結構,以高準確度的狀態進行扁平紗之前端部向保持體之保持部分之導入,並且以高可靠性進行面向下一次投緯的扁平紗之保持(引導)。Further, the yarn guide mechanism includes a guide device including a guide plate provided just above the holding body of the holding device, and the guide device is configured such that the guide plate is displaced toward the holding body. Moreover, this guide plate is installed so that the standby position may be set to the upper side rather than the said traveling path. Therefore, according to this structure, the leading end portion of the flat yarn on the feeding side, which is cut off after beating up and separated from the weft-inserted portion, is displaced toward the holding body located below by the guide plate located above, and the guide plate is located above the flat yarn. The plate is guided towards the holding body. Therefore, according to this configuration, the leading end of the flat yarn is introduced into the holding portion of the holding body with high accuracy, and the flat yarn for the next pick is held (guided) with high reliability.

又,在本發明的紗引導機構中,藉由如上所述之第一、第二保持構件構成保持裝置的保持體,藉此,能夠形成以更牢固的形式進行扁平紗之前端部之保持的狀態。而且,保持裝置包括驅動第二保持構件的把持驅動裝置,藉此,可容易地進行扁平紗之前端部向把持扁平紗的一對保持部間之***,且不會對扁平紗施加負荷。Furthermore, in the yarn guiding mechanism of the present invention, the holding body of the holding device is constituted by the first and second holding members as described above, whereby it is possible to form a structure capable of holding the leading end of the flat yarn in a firmer manner. state. Furthermore, since the holding device includes the holding driving device that drives the second holding member, the front end of the flat yarn can be easily inserted between the pair of holding portions holding the flat yarn without applying a load to the flat yarn.

又,在本發明的紗引導機構中,以對應劍頭的朝向最前進位置的前進使保持體向上述方向位移的方式構成保持裝置,藉此,能夠防止劍頭和扁平紗發生干擾。Furthermore, in the yarn guiding mechanism of the present invention, the holding means is configured so as to displace the holding body in the above-mentioned direction in response to the advancement of the rapier toward the most advanced position, whereby interference between the rapier and the flat yarn can be prevented.

詳細而言,在以本發明為前提的劍桿織機之投緯裝置中,被喂紗側的紗引導機構引導的扁平紗在上述前後方向上位於與劍頭之行進位置相同的位置。而且,劍頭從正面與被該紗引導機構引導的狀態之扁平紗接近,相對於劍頭之把持部導入扁平紗,進行劍頭對扁平紗之把持。In detail, in the weft insertion device of the rapier loom premised on the present invention, the flat yarn guided by the yarn guide mechanism on the yarn supply side is located at the same position as the traveling position of the rapier in the front-rear direction. Then, the rapier approaches the flat yarn guided by the yarn guide mechanism from the front, and the flat yarn is introduced into the gripping portion of the rapier to hold the flat yarn by the rapier.

在這種情況下,例如即使在如專利文獻1中公開的投緯裝置那樣以使把持部從正面接納扁平紗的方式構成劍頭的情況下,藉由該劍頭之結構,有時劍頭也會與被紗引導機構引導的扁平紗發生干擾。這是因為,由於劍頭以高速朝向最前進位置前進,因此嚴格來說,並不總是在其最前進位置停止,存在因慣性等而越過其最前進位置的可能性。In this case, for example, even when the rapier is configured such that the gripping portion receives the flat yarn from the front, as in the weft insertion device disclosed in Patent Document 1, the rapier may be formed by the structure of the rapier. It also interferes with the flat yarn guided by the yarn guiding mechanism. This is because the rapier head advances toward the most advanced position at a high speed, so strictly speaking, it does not always stop at the most advanced position, and there is a possibility that the blade may pass the most advanced position due to inertia or the like.

又,作為其他結構之劍頭,有以把持部在側方開口,相對於把持部從側方接納扁平紗的方式構成的劍頭。還有,在這種結構中,有劍頭之前端部形成為如朝向其側方引導扁平紗那樣的形狀的結構。而且,在這樣構成的投緯裝置之情況下,伴隨劍頭之前進,劍頭之前端部和被紗引導機構引導的扁平紗發生干擾,藉由劍頭自此的進一步的前進,扁平紗被朝向把持部之開口引導,藉此,扁平紗被導入把持部。Moreover, as a rapier of another structure, there exists a rapier which is comprised so that a holding part may be opened in a side, and a flat yarn may be received from a side with respect to a holding part. In addition, in such a structure, there is a structure in which the front end of the rapier is formed in such a shape as to guide the flat yarn toward the side. In addition, in the case of the weft insertion device configured in this way, as the rapier advances, the front end of the rapier interferes with the flat yarn guided by the yarn guide mechanism, and the flat yarn is removed by the further advancement of the rapier from there. By guiding toward the opening of the holding portion, the flat yarn is introduced into the holding portion.

這樣,在以扁平紗在上述前後方向上被引導至與劍頭之行進位置相同的位置的本發明為前提的投緯裝置中,有如下構成之結構,伴隨劍頭朝向最前進位置的前進,劍頭與扁平紗中的被劍頭把持的部分(被把持部分)發生干擾(或者發生干擾的可能性高)。此外,扁平紗中的被把持部分係在投緯後位於織物之外側的部分,因此,即使該被把持部分因上述干擾而損傷,該損傷也不會直接影響織物的品質。但是,因為扁平紗藉由上述干擾而受到衝擊,所以根據在劍桿織機的喂紗側引導扁平紗的結構或紗的種類,有時不希望上述干擾。In this way, in the weft insertion device based on the premise of the present invention in which the flat yarn is guided to the same position as the advancing position of the rapier in the aforementioned front-rear direction, there is a structure as follows, with the advance of the rapier toward the most advanced position, There is interference between the rapier and the portion (gripped portion) held by the rapier in the flat yarn (or there is a high possibility of interference). In addition, the gripped portion of the flat yarn is tied to the portion outside the fabric after weft insertion, so even if the gripped portion is damaged due to the above interference, the damage will not directly affect the quality of the fabric. However, since the flat yarn is impacted by the above-mentioned disturbance, the above-mentioned disturbance may not be desirable depending on the structure of guiding the flat yarn on the yarn feeding side of the rapier loom or the type of the yarn.

與之相對,根據如上所述以保持體位移的方式構成保持裝置的結構,藉由該保持體之位移,保持於保持體的扁平紗亦位移,因此,可以使扁平紗位移至不與劍頭髮生干擾的位置。因此,藉由這樣構成保持裝置,對於不希望上述干擾的劍桿織機亦可適用本發明。On the other hand, according to the structure in which the holding device is configured such that the holding body is displaced as described above, the flat yarn held by the holding body is also displaced by the displacement of the holding body, so that the flat yarn can be displaced so as not to be in contact with the hair of the sword. disturbing location. Therefore, by configuring the holding device in this way, the present invention can be applied to a rapier loom in which the above-mentioned interference is not desired.

以下,關於本發明的劍桿織機的投緯裝置,基於第1圖至第12圖說明其一實施方式(實施例)。Hereinafter, an embodiment (Example) of the weft insertion device of the rapier loom according to the present invention will be described based on FIGS. 1 to 12 .

第12圖概略性表示以本發明為前提的單側劍桿織機。單側劍桿織機係使用單一的劍頭10進行投緯的劍桿織機。包括該劍頭10的投緯裝置1在本實施例中係使用帶材(劍帶)作為用以使劍頭10進退運動的驅動(進退驅動)的驅動構件的所謂劍桿帶式之投緯裝置。因此,投緯裝置1除劍頭10之外,還具備驅動裝置,該驅動裝置包括安裝有該劍頭10的劍帶21、及以進退驅動卷掛的劍帶21的方式在規定之角度範圍被正轉和倒轉驅動的帶輪23。而且,在該投緯裝置1中,藉由旋轉驅動帶輪23,劍頭10經由劍帶21被進退驅動。此外,第12圖表示筘R位於最後退位置的狀態,如圖所示,劍頭10被這樣進退驅動而行進的行進位置,關於織機之前後方向(經紗T之延伸方向),設定於筘R之最後退位置之附近。Fig. 12 schematically shows a single-sided rapier loom premised on the present invention. The single-sided rapier loom is a rapier loom that uses a single rapier 10 for weft insertion. The weft insertion device 1 including the rapier 10 is a so-called rapier-belt type of weft insertion using a tape (rapier) as a driving member for driving the rapier 10 to advance and retreat (advance and retreat drive) in the present embodiment. device. Therefore, in addition to the rapier 10, the weft insertion device 1 is further provided with a driving device including the rapier 21 to which the rapier 10 is attached, and the rapier 21 that is wound forward and backward within a predetermined angle range. Pulley 23 driven forward and reverse. Furthermore, in this weft insertion device 1 , by rotating the drive pulley 23 , the rapier 10 is driven forward and backward via the rapier 21 . In addition, Fig. 12 shows the state in which the reed R is at the most retracted position. As shown in the figure, the advancing position of the rapier 10 that is driven to advance and retreat in this way is set in the reed R with respect to the front-rear direction of the loom (the extension direction of the warp yarn T). near the last retreat position.

又,投緯裝置1具備在投緯時用以對劍頭10供給緯紗Y之喂紗機構25。然而,本發明針對的緯紗Y係形成為帶狀的扁平紗,例如係由碳纖維構成的紗。而且,投緯裝置1係以如下方式配置有上述驅動裝置等,亦即,在投緯期間以外,配置劍頭10的劍頭10之待機位置被設定於關於織寬方向與設置喂紗機構25的喂紗側相反的一側亦即反喂紗側。In addition, the weft insertion device 1 includes a yarn feeding mechanism 25 for supplying the weft yarn Y to the rapier 10 at the time of weft insertion. However, the weft yarn Y to which the present invention is directed is a flat yarn formed in a ribbon shape, for example, a yarn composed of carbon fibers. Furthermore, the weft insertion device 1 is provided with the above-mentioned drive device and the like in such a manner that, outside the weft insertion period, the standby position of the rapier 10 on which the rapier 10 is arranged is set in relation to the weaving width direction and the installation of the yarn feeding mechanism 25 The opposite side of the yarn feeding side is the reverse yarn feeding side.

而且,在投緯裝置1中,在筘R成為位於最後退位置的狀態的投緯期間,驅動劍頭10使其前進,劍頭10在藉由經紗T形成的開口內朝向喂紗側行進。接著,伴隨劍頭10到達喂紗側的喂紗機構25之位置,對該劍頭10供給緯紗(扁平紗)Y。之後,劍頭10成為把持該被供給的扁平紗Y的狀態,在該狀態下朝向上述的待機位置被後退驅動。藉此,扁平紗Y成為被***(投緯)經紗T之開口內的狀態,該扁平紗Y藉由筘R向織口打緯,藉此形成織物。Then, in the weft insertion device 1, during the weft insertion period when the reed R is at the most retracted position, the rapier 10 is driven to advance, and the rapier 10 advances toward the yarn feed side in the opening formed by the warp yarn T. Next, as the rapier 10 reaches the position of the yarn feeding mechanism 25 on the yarn feeding side, the weft (flat yarn) Y is supplied to the rapier 10 . After that, the rapier 10 is in a state of gripping the supplied flat yarn Y, and in this state, is driven backward toward the above-mentioned standby position. Thereby, the flat yarn Y is in a state of being inserted into the opening of the warp yarn T (pick-in), and the flat yarn Y is beaten to the loom by the reed R, thereby forming a woven fabric.

第1圖、第2圖所示的係應用於根據本發明的投緯裝置的劍頭之一例(劍頭10)。該劍頭10以頭本體11為主體,該頭本體11藉由安裝構件27固定於劍帶21上,藉此成為安裝於劍帶21上的狀態。頭本體11具有薄板狀之基部11a和以朝向最前端11g收斂的方式形成的頭部11b。而且,頭本體11以其基部11a和頭部11b在劍頭10之長度方向上遠離並藉由連結部11c連結的形式一體形成。An example of a rapier (rapier 10 ) applied to the weft insertion device according to the present invention shown in FIGS. 1 and 2 . The rapier 10 has a head body 11 as its main body, and the head body 11 is fixed to the sword belt 21 by means of a mounting member 27 , thereby being in a state of being mounted on the sword belt 21 . The head body 11 has a thin plate-shaped base portion 11a and a head portion 11b formed so as to converge toward the foremost end 11g. Further, the head body 11 is integrally formed in such a manner that the base portion 11a and the head portion 11b are spaced apart in the longitudinal direction of the rapier 10 and connected by the connecting portion 11c.

因此,頭本體11具有基部11a和頭部11b之間的空間部、亦即劍頭10之寬度方向(俯視圖中與上述長度方向正交的方向)上的一側被連結部11c封閉的空間部11d。亦即,頭本體11在包括頭部11b的前端側之部分具有被頭部11b之朝向基部11a側的端面11b1、基部11a之朝向頭部11b側的側面、及連結部11c之朝向頭本體11之內側的側面這三個內側面劃定的空間部11d。而且,該空間部11d在其前端側之部分,在上述寬度方向上的一側及上下方向上開口,在俯視圖中形成橫U字形之形狀。而且,如後述,該空間部11d作為導入扁平紗Y的頭本體11上的紗導入部起作用。Therefore, the head body 11 has a space portion between the base portion 11 a and the head portion 11 b , that is, a space portion closed by the connecting portion 11 c on one side of the rapier 10 in the width direction (direction perpendicular to the longitudinal direction in plan view). 11d. That is, the head body 11 has an end face 11b1 of the head portion 11b facing the base portion 11a side, a side surface of the base portion 11a facing the head portion 11b side, and a connecting portion 11c facing the head body 11 in a portion including the front end side of the head portion 11b The space portion 11d delimited by the three inner side surfaces of the inner side surfaces. Furthermore, the space portion 11d is opened on one side in the width direction and in the vertical direction at the portion on the front end side thereof, and has a horizontal U-shape in a plan view. Then, as will be described later, the space portion 11d functions as a yarn introduction portion on the head body 11 for introducing the flat yarn Y.

此外,在頭本體11中,頭部11b形成為在上述寬度方向及劍頭10之厚度(高度)方向上朝向最前端11g收斂,並且最前端11g關於上述寬度方向位於比中央更靠與連結部11c相反之一側的形狀。又,頭本體11具有以從基部11a立起的方式形成的側壁、亦即在基部11a的前端側(關於上述長度方向為頭部11b側)關於上述寬度方向形成於與連結部11c相反的一側的側壁11e、及在基部11a的後端側(關於上述長度方向為頭部11b側相反的一側、以下也簡稱為“後端側”。)以與上述寬度方向對置的方式形成的一對側壁11f、11f。而且,這些側壁11e、11f也與基部11a一體地形成。此外,側壁11f、11f藉由肋連結,上述的安裝構件27在被該一對側壁11f、11f和肋包圍的部分將頭本體11固定於劍帶21上。還有,在該一對側壁11f、11f之一外側面安裝有如後述用以在反喂紗側限制劍頭10之位置的導向部12。Further, in the head body 11, the head portion 11b is formed so as to converge toward the foremost end 11g in the width direction and the thickness (height) direction of the rapier 10, and the foremost end 11g is located closer to the connecting portion than the center with respect to the width direction. The shape of the opposite side of 11c. Further, the head body 11 has a side wall formed so as to stand up from the base portion 11a, that is, a front end side of the base portion 11a (the head portion 11b side with respect to the longitudinal direction) is formed on a side opposite to the connection portion 11c with respect to the width direction. The side wall 11e on the side and the rear end side of the base portion 11a (the side opposite to the head 11b side with respect to the longitudinal direction, hereinafter also simply referred to as the "rear end side") are formed so as to face the width direction. A pair of side walls 11f, 11f. Moreover, these side walls 11e and 11f are also formed integrally with the base part 11a. In addition, the side walls 11f, 11f are connected by ribs, and the above-mentioned attachment member 27 fixes the head body 11 to the rapier 21 at a portion surrounded by the pair of side walls 11f, 11f and the ribs. In addition, a guide portion 12 for regulating the position of the rapier 10 on the reverse yarn feeding side is attached to one of the outer side surfaces of the pair of side walls 11f, 11f, as will be described later.

又,劍頭10具有用以與頭部11b協動把持被導入頭本體11的紗導入部11d的扁平紗Y的捕紗器13。該捕紗器13設置為在頭本體11內能夠沿上述長度方向位移。因此,劍頭10具有用以引導該捕紗器13之位移的引導體14。Moreover, the rapier 10 has a yarn catcher 13 for grasping the flat yarn Y introduced into the yarn introducing portion 11d of the head body 11 in cooperation with the head portion 11b. The yarn catcher 13 is provided in the head body 11 so as to be displaceable in the above-mentioned longitudinal direction. Therefore, the rapier 10 has a guide body 14 for guiding the displacement of the yarn catcher 13 .

該引導體14藉由塊狀之構件形成,具有用以引導捕紗器13之位移的矩形狀之引導槽14a。而且,引導體14以使引導槽14a之延伸方向與上述長度方向一致的朝向,藉由多個螺絲構件固定於頭本體11之基部11a。The guide body 14 is formed of a block-shaped member, and has a rectangular guide groove 14a for guiding the displacement of the yarn catcher 13 . Furthermore, the guide body 14 is fixed to the base portion 11a of the head body 11 by a plurality of screw members in an orientation such that the extending direction of the guide groove 14a coincides with the aforementioned longitudinal direction.

捕紗器13具有被該引導體14之引導槽14a引導的部分亦即引導部13a。該引導部13a形成為板狀。又,該引導部13a從其板厚方向觀察形成矩形形狀,並且形成為其長邊之方向亦即縱向之尺寸比短邊之方向亦即橫向之尺寸足夠大的形狀。而且,引導體14上的引導槽14a之槽寬形成為與該捕紗器13上的引導部13a之上述橫向之尺寸大致相同的大小,以能夠引導捕紗器13之上述縱向上之位移。The yarn catcher 13 has a guide portion 13 a that is guided by the guide groove 14 a of the guide body 14 . The guide portion 13a is formed in a plate shape. In addition, the guide portion 13a has a rectangular shape when viewed in the thickness direction, and has a shape in which the dimension of the long side, that is, the longitudinal direction is sufficiently larger than the dimension of the short side, that is, the horizontal dimension. Furthermore, the guide groove 14a on the guide body 14 has a groove width substantially the same as the horizontal dimension of the guide portion 13a on the catcher 13 so as to be able to guide the vertical displacement of the catcher 13.

又,捕紗器13具有接受用以把持扁平紗Y之部分亦即把持部13b及用於承受該把持的作用力的承受部13c,形成為在引導部13a之上述縱向上之一端側具有該把持部13b,並且在引導部13a之另一端側具有承受部13c。而且,捕紗器13係由該引導部13a、把持部13b及承受部13c一體形成之構件。In addition, the catcher 13 has a holding portion 13b that receives a portion for holding the flat yarn Y, and a receiving portion 13c for receiving a force for holding the holding. The grip portion 13b has a receiving portion 13c on the other end side of the guide portion 13a. Moreover, the yarn catcher 13 is a member integrally formed with the guide portion 13a, the grip portion 13b, and the receiving portion 13c.

關於該捕紗器13,承受部13c形成為沿上述板厚方向觀察時,關於上述橫向比引導部13a更向一側突出。因此,沿上述板厚方向觀察,捕紗器13在引導部13a及承受部13c之部分呈大致L字形。還有,承受部13c形成為關於上述板厚方向具有比引導部13a更大的尺寸,在一側與引導部13a齊平,並且另一側從引導部13a突出。In this yarn catcher 13, the receiving portion 13c is formed so as to protrude to one side with respect to the lateral direction when viewed in the plate thickness direction. Therefore, the yarn catcher 13 is substantially L-shaped at the guide portion 13a and the receiving portion 13c when viewed in the plate thickness direction. Also, the receiving portion 13c is formed to have a larger dimension than the guide portion 13a in the plate thickness direction, and is flush with the guide portion 13a on one side and protrudes from the guide portion 13a on the other side.

又,把持部13b形成為,關於上述板厚方向與引導部13a具有相同的尺寸,關於上述橫向從引導部13a向兩側突出。此外,該把持部13b形成為上述縱向上的尺寸與引導部13a之上述橫向之尺寸具有相同的大小。又,把持部13b形成為上述橫向之尺寸與頭本體11之頭部11b上的劃定上述的紗導入部11d的內側面(端面11b1)之上述寬度方向之尺寸大致相同。Moreover, the holding part 13b is formed so that it may have the same dimension as the guide part 13a with respect to the said plate thickness direction, and is formed so that it may protrude from the guide part 13a to both sides with respect to the said horizontal direction. In addition, this holding part 13b is formed so that the dimension in the above-mentioned longitudinal direction and the dimension in the above-mentioned lateral direction of the guide part 13a have the same size. The grip portion 13b is formed so that the dimension in the lateral direction is substantially the same as the dimension in the width direction defining the inner surface (end surface 11b1 ) of the yarn introduction portion 11d on the head portion 11b of the head body 11 .

還有,捕紗器13具有形成於引導部13a和承受部13c之間的卡合部分13d。更詳細而言,捕紗器13在上述橫向上的引導部13a之範圍內,具有關於承受部13c的上述板厚方向從比引導部13a更突出的部分朝向引導部13a側突出的方式形成的卡合部分13d。又,該卡合部分13d以其突出端形成圓弧面的方式形成。而且,在捕紗器13中,其卡合部分13d也與引導部13a、承受部13c一體形成。Further, the catcher 13 has an engaging portion 13d formed between the guide portion 13a and the receiving portion 13c. More specifically, the yarn catcher 13 is formed so as to protrude toward the guide portion 13a from a portion protruding from the portion protruding from the guide portion 13a in the thickness direction of the receiving portion 13c within the range of the guide portion 13a in the lateral direction. The engaging portion 13d. In addition, this engaging portion 13d is formed so that its protruding end forms a circular arc surface. Furthermore, in the yarn catcher 13, the engaging portion 13d is also formed integrally with the guide portion 13a and the receiving portion 13c.

而且,該捕紗器13藉由使引導部13a處於遊嵌於引導體14的引導槽14a的狀態,以能夠沿上述長度方向位移的狀態設於頭本體11內。然而,在這樣設置的狀態下,捕紗器13形成如下朝向,亦即,關於上述長度方向,把持部13b位於比引導體14更靠頭部11b側,並且關於上述板厚方向,卡合部分13d位於比引導部13a更靠基部11a側。又,在這樣設置的狀態下,捕紗器13配置為,關於上述寬度方向,把持部13b之位置與頭部11b之端面11b1之位置一致(把持部13b與頭部11b之端面11b1完全對置)。換言之,引導體14設置為,關於上述寬度方向,在這樣的位置可引導捕紗器13之引導部13a。And this yarn catcher 13 is provided in the head main body 11 in the state which can be displaced in the said longitudinal direction by making the guide part 13a in the state which is loosely fitted in the guide groove 14a of the guide body 14. However, in the state of such arrangement, the yarn catcher 13 is oriented such that the grip portion 13b is positioned closer to the head portion 11b than the guide body 14 with respect to the longitudinal direction, and the engaging portion is positioned with respect to the plate thickness direction. 13d is located on the base part 11a side rather than the guide part 13a. In this state, the catcher 13 is arranged such that the position of the gripping portion 13b and the position of the end face 11b1 of the head portion 11b are identical with respect to the above-mentioned width direction (the gripping portion 13b and the end face 11b1 of the head portion 11b are completely opposed to each other). ). In other words, the guide body 14 is provided so that the guide portion 13a of the yarn catcher 13 can be guided at such a position with respect to the width direction.

又,劍頭10具備如上所述用於將配置於頭本體11內的捕紗器13關於上述長度方向向頭本體11之頭部11b側施力之彈簧構件。更詳細而言,在頭本體11內,彈簧承受構件15b在關於上述長度方向比引導體14更靠上述後端側,以與引導體14遠離的配置設置在基部11a上。此外,該彈簧承受構件15b藉由利用螺絲構件固定於頭本體11中的上述之一對側壁11f、11f之一方的保持架15c安裝於頭本體11上。而且,在頭本體11內,在該彈簧承受構件15b和如上所述配置的捕紗器13中的承受部13c之間,配置有壓縮彈簧15a(在圖示之例子中為兩個)。Moreover, the rapier 10 is provided with the spring member for urging the yarn catcher 13 arranged in the head main body 11 to the head part 11b side of the head main body 11 with respect to the above-mentioned longitudinal direction as described above. More specifically, in the head body 11 , the spring receiving member 15b is provided on the base portion 11a in a position away from the guide body 14 on the rear end side relative to the guide body 14 in the longitudinal direction. Further, the spring receiving member 15b is attached to the head body 11 by a holder 15c fixed to one of the pair of side walls 11f and 11f in the head body 11 by a screw member. Further, in the head body 11, compression springs 15a (two in the illustrated example) are arranged between the spring receiving member 15b and the receiving portion 13c in the catcher 13 arranged as described above.

藉由該結構,在劍頭10中,捕紗器13在該承受部13c承受壓縮彈簧15a之彈力,成為在頭本體11內向頭部11b側被施力的狀態。因此,只要不對捕紗器13作用向上述後端側的力,劍頭10就成為捕紗器13之把持部13b(更詳細而言,把持部13b的朝向頭部11b的端面13b1)被壓接於頭部11b之端面11b1的狀態(壓接狀態)。With this structure, in the rapier 10, the yarn catcher 13 receives the elastic force of the compression spring 15a at the receiving portion 13c, and is in a state of being urged toward the head portion 11b in the head body 11. Therefore, as long as the force on the rear end side of the catcher 13 does not act, the rapier 10 is pressed by the gripping portion 13b (more specifically, the end face 13b1 of the gripping portion 13b facing the head portion 11b ) of the catcher 13 . A state in which it is connected to the end surface 11b1 of the head 11b (crimped state).

此外,在圖示之結構中,在彈簧承受構件15b及捕紗器13中的承受部13c,形成有接納該壓縮彈簧15a之一部分的孔。又,頭部11b在其端面11b1形成有槽,使得如上所述,在壓接有捕紗器13中的把持部13b的狀態下,僅接納該把持部13b中的端面13b1側之一小部分。此外,如上所述,該頭部11b的端面11b1在頭本體11中係朝向基部11a側的面,但從劍頭10之進退運動之方向來說,係朝向後退方向的面。亦即,該端面11b1係如上所述劃定紗導入部11d的內側面之一、且朝向劍頭10之後退方向的內側面。In addition, in the structure shown in the figure, the spring receiving member 15b and the receiving portion 13c of the yarn catcher 13 are formed with a hole for receiving a part of the compression spring 15a. In addition, the head 11b has grooves formed on the end surface 11b1 thereof so that only a small portion of the end surface 13b1 side of the gripping portion 13b is received in a state where the gripping portion 13b of the yarn catcher 13 is crimped as described above. . In addition, as described above, the end surface 11b1 of the head 11b is the surface facing the base 11a side in the head body 11, but is the surface facing the backward direction in terms of the forward and backward movement of the rapier 10. That is, the end surface 11b1 is one of the inner surfaces that define the yarn introduction portion 11d as described above, and is an inner surface facing the retreating direction of the rapier 10 .

還有,劍頭10具備用以使以如上所述之狀態設於頭本體11內的捕紗器13沿上述長度方向位移之操作桿17。此外,以本發明為前提的單側劍桿織機也與一般的劍桿織機相同,在喂紗側及反喂紗側具備用以操作劍頭10的把持機構(設為開放狀態)之開鬆機(開鬆機之詳情後述)。而且,本實施例之劍頭10的操作桿17具有為了在喂紗側使把持機構處於開放狀態(使捕紗器13(把持部13b)位移)而與喂紗側之開鬆機卡合的第一卡合部17a、及與該第一卡合部17a獨立的,為了在反喂紗側使把持機構處於開放狀態而與反喂紗側之開鬆機卡合的第二卡合部17b。該操作桿17的詳情如下。Further, the rapier 10 is provided with an operation lever 17 for displacing the yarn catcher 13 provided in the head main body 11 in the above-mentioned state in the above-mentioned longitudinal direction. In addition, the one-sided rapier loom premised on the present invention is also provided with the opening of the gripping mechanism (set to the open state) for operating the rapier 10 on the yarn feeding side and the reverse yarn feeding side, as in a general rapier loom. machine (details of the opening machine will be described later). In addition, the operation lever 17 of the rapier 10 of the present embodiment has a mechanism for engaging with the opener on the yarn supplying side in order to open the gripping mechanism on the yarn supplying side (displace the yarn catcher 13 (the gripping portion 13b)). The first engaging portion 17a and the second engaging portion 17b which is independent of the first engaging portion 17a and engages with the opener on the reverse yarn feeding side in order to open the gripping mechanism on the reverse yarn feeding side . Details of the operation lever 17 are as follows.

操作桿17以被支撐為相對於頭本體11能夠在上述寬度方向上擺動的形式設置在劍頭10上。因此,操作桿17具有被支撐於頭本體11之基部11a的部分亦即支撐部17c。然而,該支撐部17c從其厚度方向觀察,呈大致矩形的形狀並且形成為將該矩形之一部分切掉的形狀(大致矩形的形狀)。又,這樣形成為大致矩形的形狀的支撐部17c之長邊方向上的尺寸與基部11a的支撐操作桿17(支撐部17c)的部分之上述寬度方向上的尺寸大致相同。The operating lever 17 is provided on the rapier 10 so as to be supported so as to be swingable in the above-described width direction with respect to the head body 11 . Therefore, the operation lever 17 has a support portion 17c that is a portion supported by the base portion 11a of the head body 11 . However, this support part 17c has a substantially rectangular shape as viewed in the thickness direction thereof and is formed in a shape in which a part of the rectangle is cut away (a substantially rectangular shape). Moreover, the dimension of the longitudinal direction of the support part 17c formed in the substantially rectangular shape in this way is substantially the same as the dimension of the said width direction of the part of the base part 11a which supports the lever 17 (support part 17c).

又,如上所述,操作桿17具有第一卡合部17a及第二卡合部17b。該第一卡合部17a形成為從其厚度方向觀察時,使操作桿17關於上述長邊方向及與該上述長邊方向正交的方向(短邊方向),從上述長邊方向上的支撐部17c之一端側之部分向上述短邊方向延伸。又,第二卡合部17b形成為從其厚度方向觀察時,使操作桿17從上述長邊方向上的支撐部17c之另一端側之部分向上述短邊方向且與第一卡合部17a相反側延伸。因此,操作桿17在其俯視圖中,整體形成大致Z形。然而,第一卡合部17a形成在中間部彎曲的形狀,並且以其延伸方向相對於支撐部17c形成略微鈍角的方式形成在操作桿17上。又,第二卡合部17b也以其延伸方向相對於支撐部17c形成略微鈍角的方式形成在操作桿17上。Moreover, as mentioned above, the operation lever 17 has the 1st engaging part 17a and the 2nd engaging part 17b. The first engaging portion 17 a is formed so as to support the operation lever 17 in the longitudinal direction with respect to the longitudinal direction and the direction (short-side direction) orthogonal to the longitudinal direction when viewed in the thickness direction. A portion on one end side of the portion 17c extends in the short-side direction. In addition, the second engaging portion 17b is formed so that the operation lever 17 from the portion on the other end side of the supporting portion 17c in the long-side direction is directed toward the short-side direction and is connected to the first engaging portion 17a when viewed in the thickness direction. The opposite side extends. Therefore, the operation lever 17 is formed in a substantially Z shape as a whole in its plan view. However, the first engaging portion 17a is formed in a shape curved at the intermediate portion, and is formed on the operation lever 17 so that the extending direction thereof forms a slightly obtuse angle with respect to the support portion 17c. Moreover, the 2nd engaging part 17b is also formed in the operation lever 17 so that the extending direction may form a slightly obtuse angle with respect to the support part 17c.

而且,操作桿17在上述長邊方向上的支撐部17c之一端側,被支撐為相對於頭本體11(基部11a)能夠擺動。藉此,操作桿17成為相對於頭本體11在上述寬度方向上可擺動地設置的狀態。此外,操作桿17以第一卡合部17a相對於支撐部17c位於頭本體11的頭部11b側,並且第二卡合部17b相對於支撐部17c位於上述後端側的方式支撐於頭本體11。作為其結果,在劍頭10中,操作桿17之第一卡合部17a和第二卡合部17b關於上述長度方向位於不同的位置,並且,相對於第一卡合部17a,第二卡合部17b位於上述後端側(劍頭10被進退驅動時之後退方向側)。Furthermore, the operation lever 17 is supported so as to be swingable with respect to the head body 11 (base portion 11 a ) on one end side of the support portion 17 c in the above-described longitudinal direction. Thereby, the operation lever 17 is in a state of being swingably provided in the above-described width direction with respect to the head body 11 . Further, the operation lever 17 is supported by the head body such that the first engaging portion 17a is located on the head portion 11b side of the head body 11 with respect to the support portion 17c, and the second engaging portion 17b is located on the rear end side with respect to the support portion 17c. 11. As a result, in the rapier 10, the first engaging portion 17a and the second engaging portion 17b of the operating lever 17 are located at different positions with respect to the longitudinal direction, and the second engaging portion 17a is located at different positions with respect to the first engaging portion 17a. The engaging portion 17b is located on the rear end side (the side in the backward movement direction when the rapier 10 is driven forward and backward).

又,關於該基部11a上之操作桿17之支撐位置(操作桿17之擺動中心),該支撐位置關於上述長度方向被設定於比引導體14更靠上述後端側的引導體14之附近。又,該支撐位置關於上述寬度方向被設定於如下位置,在使操作桿17處於上述長邊方向與上述寬度方向大致一致的狀態時,支撐部17c之位置和基部11a之位置大致一致(在俯視圖中,支撐部17c和基部11a整體上大致重疊)。In addition, regarding the support position of the operation lever 17 on the base portion 11 a (the swing center of the operation lever 17 ), the support position is set in the vicinity of the guide body 14 on the rear end side relative to the guide body 14 with respect to the longitudinal direction. In addition, the support position is set at a position with respect to the width direction such that the position of the support portion 17c and the position of the base portion 11a substantially match when the operation lever 17 is in a state in which the longitudinal direction and the width direction substantially coincide (in a plan view). , the support portion 17c and the base portion 11a substantially overlap as a whole).

又,關於頭本體11內的該操作桿17和如上所述配置的捕紗器13之位置關係,該位置關係為如下關係,關於上下方向,操作桿17位於比捕紗器13之引導部13a更靠下方且與卡合部分13d相同的高度。又,該位置關係為如下關係,關於上述長度方向,捕紗器13之卡合部分13d位於比操作桿17之支撐部17c更靠上述後端側。In addition, regarding the positional relationship between the operation lever 17 in the head body 11 and the catcher 13 arranged as described above, the positional relationship is as follows. The operation lever 17 is located more than the guide portion 13a of the catcher 13 in the vertical direction. Further below and at the same height as the engaging portion 13d. In addition, the positional relationship is such that the engaging portion 13d of the yarn catcher 13 is located on the rear end side relative to the support portion 17c of the operation lever 17 with respect to the longitudinal direction.

藉由這種操作桿17之支撐位置及操作桿17和捕紗器13之位置關係,在頭部11b內,關於上述長度方向,操作桿17之支撐部17c成為位於引導體14和捕紗器13之卡合部分13d之間的狀態。Due to the support position of the operation lever 17 and the positional relationship between the operation lever 17 and the yarn catcher 13, in the head 11b, the support portion 17c of the operation lever 17 is positioned between the guide body 14 and the yarn catcher with respect to the above-mentioned longitudinal direction. The state between the engaging parts 13d of 13.

此外,操作桿17之支撐部17c形成為如上所述切去了矩形之一部分的形狀,具體而言,形成為與卡合部分13d對置的一側之部分且上述長邊方向上的與卡合部分13d對置的部分及其周邊部分被大致圓弧狀切去若干的形狀。因此,支撐部17c中之該部分之上述短邊方向之尺寸比該部分以外之部分小一些。Further, the support portion 17c of the operating lever 17 is formed in a shape in which a part of the rectangle is cut out as described above. A portion where the joint portion 13d is opposed and its peripheral portion are cut out in a substantially circular arc shape. Therefore, the dimension in the short-side direction of this portion of the support portion 17c is slightly smaller than that of the portion other than this portion.

又,如上所述,捕紗器13承受壓縮彈簧15a產生的朝向頭部11b側的作用力,操作桿17在未與上述的開鬆機卡合的劍頭10之通常狀態下,成為相對於頭本體11之頭部11b在把持部13b被壓接的狀態。亦即,在該通常狀態下,捕紗器13在其把持部13b被壓接於頭部11b的上述長度方向上的位置,成為該位置藉由壓縮彈簧15a(上述作用力)保持的狀態。而且,隨之,卡合部分13d也在與該捕紗器13之位置對應的位置,關於上述長度方向,成為該位置藉由上述作用力保持的狀態。然而,該狀態下之卡合部分13d之上述長度方向上的位置成為相對於引導體14,遠離與上述的操作桿17上的支撐部17c之被切去的部分在上述短邊方向上的尺寸大致相同(稍大)的距離的位置。In addition, as described above, the catcher 13 receives the urging force toward the head 11b side by the compression spring 15a, and the operation lever 17 is in the normal state of the rapier 10 which is not engaged with the above-mentioned opener. The head portion 11b of the head body 11 is in a state where the grip portion 13b is crimped. That is, in this normal state, the grip portion 13b of the yarn catcher 13 is pressed against the position in the longitudinal direction of the head portion 11b, and the position is held by the compression spring 15a (the biasing force). Then, the engaging portion 13d is also in a position corresponding to the position of the yarn catcher 13, and the position is held by the above-mentioned biasing force with respect to the above-mentioned longitudinal direction. However, the position in the longitudinal direction of the engaging portion 13d in this state is the dimension in the short-side direction that is distant from the cut-away portion of the support portion 17c on the operating lever 17 with respect to the guide body 14 About the same (slightly larger) distance from the location.

因此,如上所述,被可擺動地支撐的操作桿17成為藉由上述長度方向上的位置被上述作用力保持的卡合部分13d和相對於頭本體11(基部11a)固定配置的引導體14限制其擺動的狀態。又,在該狀態下,操作桿17成為其支撐部17c的上述長邊方向與上述寬度方向大致一致的狀態。隨之,如上所述,在操作桿17上形成為相對於支撐部17c略微成鈍角的第一卡合部17a及第二卡合部17b,成為其一部分從頭本體11(基部11a)向上述寬度方向突出的狀態。Therefore, as described above, the operating lever 17 that is swingably supported becomes the engaging portion 13d held by the urging force at the position in the longitudinal direction, and the guide body 14 fixedly arranged with respect to the head body 11 (base portion 11a ). The state of restricting its swing. In addition, in this state, the operation lever 17 is in a state in which the above-mentioned longitudinal direction of the support portion 17c and the above-mentioned width direction substantially coincide. Then, as described above, the first engaging portion 17a and the second engaging portion 17b which are formed at a slightly obtuse angle with respect to the support portion 17c on the operating lever 17 become a part of the first engaging portion 17a and the second engaging portion 17b from the head body 11 (the base portion 11a ) to the above-mentioned width. A state where the direction is prominent.

又,在如上構成之劍頭10中,在頭本體11之基部11a安裝有蓋構件11h。該蓋構件11h設置為,在上述長度方向上之從上述肋到紗導入部11d之範圍內,在俯視圖中,覆蓋設於基部11a上的各構件。因此,在劍頭10中,上述的引導體14、彈簧承受構件15b及壓縮彈簧15a、捕紗器13上的引導部13a及承受部13c、以及操作桿17之一部分等成為被配置於上下方向上的基部11a和蓋構件11h之間的空間的狀態。Moreover, in the sword head 10 comprised as mentioned above, the cover member 11h is attached to the base part 11a of the head main body 11. The cover member 11h is provided so as to cover each member provided on the base portion 11a in a plan view in a range from the rib to the yarn introduction portion 11d in the longitudinal direction. Therefore, in the rapier 10, the above-mentioned guide body 14, the spring receiving member 15b and the compression spring 15a, the guide portion 13a and the receiving portion 13c on the yarn catcher 13, and a part of the operation lever 17 are arranged in the up-down direction. The state of the space between the base 11a and the cover member 11h.

接著,也使用第3圖、第4圖對使在上述的喂紗側及反喂紗側之把持機構處於開放狀態的(使捕紗器13位移的)操作(以下也稱作“開放操作”。)進行說明。Next, the operation (hereinafter also referred to as "opening operation") for opening the gripping mechanisms on the above-mentioned yarn feed side and reverse yarn feed side (displacement of the yarn catcher 13) is also performed using Fig. 3 and Fig. 4. .)Be explained.

第3圖表示在喂紗側之上述開放操作。然而,第3圖表示劍頭10從上述之待機位置朝向喂紗側被前進驅動並在經紗T之開口內行進後之、該劍頭10到達最前進位置的狀態。又,該最前進位置為與設於第12圖所示的喂紗側的喂紗機構25之位置對應的位置。又,劍頭10伴隨如上所述被進退驅動,與織寬方向平行地行進。亦即,在投緯裝置1中,劍頭10以其上述長度方向與織寬方向一致的朝向被進退驅動。因此,劍頭10之上述寬度方向與織機之前後方向(經紗T之延伸方向)一致。Figure 3 shows the above-mentioned opening operation on the yarn feeding side. However, Fig. 3 shows a state in which the rapier 10 reaches the most advanced position after the rapier 10 is driven forward from the above-mentioned standby position toward the yarn feeding side and travels through the opening of the warp T. In addition, this most forward position is a position corresponding to the position of the yarn feeding mechanism 25 provided on the yarn feeding side shown in FIG. 12 . In addition, the rapier 10 is driven forward and backward as described above, and travels parallel to the weave width direction. That is, in the weft insertion device 1, the rapier 10 is driven forward and backward in the direction in which the above-mentioned longitudinal direction and the weaving width direction coincide. Therefore, the above-mentioned width direction of the rapier 10 corresponds to the front-rear direction of the loom (the extending direction of the warp yarn T).

喂紗機構25具備圖示的喂紗側之開鬆機31。此外,該開鬆機31,關於上下方向及織寬方向,設於可與到達上述最前進位置的狀態之劍頭10之操作桿17之第一卡合部17a在上述前後方向上對置的位置。亦即,開鬆機31設置為,關於上下方向,高度位置與織機上的劍頭10之操作桿17(第一卡合部17a)之高度位置相同,關於織寬方向,位置與到達上述最前進位置的狀態之劍頭10上的第一卡合部17a重疊。然而,在本實施例之投緯裝置1中,喂紗側之開鬆機31設置為,相對於到達上述最前進位置的狀態之劍頭10上的操作桿17接近和遠離。The yarn feeding mechanism 25 includes an opener 31 on the yarn feeding side shown in the figure. In addition, the opening machine 31 is provided at a position that can face the first engaging portion 17a of the operating lever 17 of the rapier 10 in the state of reaching the most advanced position in the front-rear direction with respect to the vertical direction and the weaving width direction. Location. That is, the opening machine 31 is set so that, with respect to the vertical direction, the height position is the same as the height position of the operating lever 17 (the first engaging portion 17 a ) of the rapier 10 on the loom, and with respect to the weaving width direction, the position is the same as that of reaching the above-mentioned maximum position. The first engaging portion 17a on the blade 10 in the state of the forward position overlaps. However, in the weft insertion device 1 of the present embodiment, the opener 31 on the yarn supplying side is set so as to approach and separate from the operating lever 17 on the rapier 10 in the state of reaching the above-mentioned most advanced position.

具體而言,喂紗機構25包括支撐開鬆機31的支撐桿33。該支撐桿33以藉由適當的支撐構件等支撐於織機之機架(省略圖示)的形式設置。又,該支撐桿33被設為能夠以設於本身之長度方向上的大致中間之位置的支點33a為擺動中心在水平面內擺動。而且,開鬆機31以安裝於該支撐桿33的相對於支點33a的一端側之端部的形式設置。而且,開鬆機31的配置為,在這樣安裝於支撐桿33的狀態下,如上所述,與劍頭10上的操作桿17可在上述前後方向上對置,更詳細而言,在朝向劍頭10之行進位置側的側面可與第一卡合部17a之側面(與上述寬度方向交叉的外側之面、下稱“第一卡合面”。)17a1對置。Specifically, the yarn feeding mechanism 25 includes a support rod 33 that supports the opener 31 . The support rod 33 is provided so as to be supported by a frame (not shown) of the loom by an appropriate support member or the like. Moreover, this support rod 33 is set so that it can rock|fluctuate in a horizontal plane about the fulcrum 33a provided in the substantially middle position in the longitudinal direction of itself as a rocking center. Furthermore, the opener 31 is provided so as to be attached to the end portion of the support rod 33 on the one end side with respect to the fulcrum 33a. Furthermore, the opener 31 is arranged so as to be able to face the operation lever 17 on the rapier 10 in the aforementioned front-rear direction in the state of being attached to the support rod 33 as described above, and more specifically, in the direction of the The side surface on the traveling position side of the rapier 10 may be opposed to the side surface of the first engaging portion 17a (the outer surface intersecting with the width direction, hereinafter referred to as the "first engaging surface") 17a1.

又,支撐桿33在相對於其支點33a的另一端側之端部,與用以擺動驅動支撐桿33之驅動機構(省略圖示)連結。此外,該驅動機構進行的支撐桿33之擺動驅動如下進行,安裝於支撐桿33的開鬆機31在被設定為與劍頭10上的操作桿17之第一卡合部17a之卡合位置的作用位置、及關於上述前後方向,與第一卡合部17a遠離的位置亦即不作用位置這兩個位置之間位移。這樣,開鬆機31設置為藉由可擺動地設置的支撐桿33、及擺動驅動該支撐桿33的驅動機構,相對於操作桿17(第一卡合部17a)接近和遠離。然而,開鬆機31除進行上述開放操作的時點以外,處於位於上述不作用位置的狀態。Moreover, the support rod 33 is connected to the drive mechanism (illustration omitted) for swinging and driving the support rod 33 at the end part on the other end side with respect to the fulcrum 33a. In addition, the swing drive of the support rod 33 by the drive mechanism is performed as follows. The opener 31 attached to the support rod 33 is set to the engagement position with the first engagement portion 17 a of the operation lever 17 on the rapier 10 . The action position of , and the position away from the first engaging portion 17a, ie, the non-action position, are displaced between two positions with respect to the aforementioned front-rear direction. In this way, the opener 31 is provided so as to approach and separate from the operation lever 17 (the first engaging portion 17a ) by the swingable support rod 33 and the drive mechanism that swings the support rod 33 . However, the opening machine 31 is in a state of being located at the above-mentioned inactive position except for the timing of performing the above-mentioned opening operation.

在投緯時,使劍頭10處於如上所述被前進驅動並位於上述最前進位置的狀態(以下也稱為“最前進狀態”。)。此外,在劍頭10到達上述最前進位置的時點,如第3圖(a)所示,開鬆機31成為在位於上述不作用位置的狀態下與劍頭10上的操作桿17之第一卡合部17a的第一卡合面17a1對置的狀態。在該狀態下藉由上述驅動機構擺動驅動支撐桿33。藉此,開鬆機31從上述不作用位置朝向上述作用位置、亦即朝向第一卡合部17a之方沿上述前後方向位移(接近),成為與第一卡合部17a的第一卡合面17a1卡合的狀態。而且,當開鬆機31位移至上述作用位置時,第一卡合部17a被開鬆機31朝向劍頭10之內側按壓,操作桿17向第3圖的順時針方向擺動。其結果,操作桿17如第3圖(b)所示成為擺動了預定的量的狀態。At the time of weft insertion, the rapier 10 is driven forward as described above and is in the most advanced position (hereinafter, also referred to as "the most advanced state"). In addition, when the rapier 10 reaches the above-mentioned most forward position, as shown in FIG. 3( a ), the opener 31 becomes the first between the operation lever 17 on the rapier 10 and the operating lever 17 in the state in which the rapier 10 is located at the above-mentioned inactive position. A state in which the first engaging surfaces 17a1 of the engaging portion 17a are opposed to each other. In this state, the support rod 33 is pivotally driven by the above-described drive mechanism. As a result, the opener 31 is displaced (approached) in the front-rear direction from the inactive position toward the active position, that is, toward the first engaging portion 17a, and becomes the first engagement with the first engaging portion 17a. The state in which the surface 17a1 is engaged. Then, when the opening machine 31 is displaced to the above-mentioned acting position, the first engaging portion 17a is pressed by the opening machine 31 toward the inside of the rapier 10, and the operation lever 17 swings clockwise in FIG. 3 . As a result, as shown in FIG. 3( b ), the operation lever 17 is in a state of being swung by a predetermined amount.

此外,如上所述,伴隨開鬆機31與操作桿17卡合,劍頭10藉由開鬆機31承受上述前後方向之力。於是,本實施例之喂紗機構25包括用以防止(限制)因這樣承受力而劍頭10沿上述前後方向位移之第一限制構件35。該第一限制構件35關於上述前後方向,在與開鬆機31相對於劍頭10之一側的相反側設於以劍頭10之上述最前進狀態與該劍頭10之側部接近的位置。又,該第一限制構件35關於織寬方向,設於與上述最前進狀態之劍頭10的頭本體11之側壁11e在上述前後方向上對置的位置。因此,即使劍頭10藉由開鬆機31承受上述那樣的力,也能夠經由頭本體11之側壁11e藉由第一限制構件35承受該力,因此,劍頭10之上述前後方向上的位移被該第一限制構件35所限制。In addition, as described above, when the opener 31 is engaged with the operating lever 17 , the rapier 10 receives the force in the front-rear direction through the opener 31 . Therefore, the yarn feeding mechanism 25 of the present embodiment includes the first restricting member 35 for preventing (restricting) the displacement of the rapier 10 in the aforementioned front-rear direction due to such a force. The first restricting member 35 is provided at a position close to the side of the rapier 10 in the most advanced state of the rapier 10 on the opposite side of the opener 31 to the side of the rapier 10 with respect to the front-rear direction. . In addition, the first restricting member 35 is provided at a position facing the side wall 11e of the head body 11 of the rapier 10 in the most advanced state in the front-rear direction with respect to the weaving width direction. Therefore, even if the rapier 10 is subjected to the above-mentioned force by the opener 31, the force can be received by the first restricting member 35 via the side wall 11e of the head body 11. Therefore, the aforementioned displacement of the rapier 10 in the front-rear direction restricted by the first restricting member 35 .

當操作桿17藉由開鬆機31和第一卡合部17a之卡合而如上所述擺動時,隨之,如上所述,在其一端側相對於頭本體11被可轉動地支撐的操作桿17之支撐部17c以其支撐位置為中心朝向上述長度方向上的上述後端側轉動。藉此,包含關於上述長度方向在接近支撐部17c的位置與支撐部17c對置的卡合部分13d的捕紗器13,在該卡合部分13d被支撐部17c按壓,抵抗壓縮彈簧15a之施加力朝向上述後端側位移。其結果,成為相對於頭本體11的頭部11b被壓接的狀態的把持部13b朝向上述後端側位移,在紗導入部11d,成為在頭部11b和把持部13b之間形成空隙的狀態。亦即,劍頭10的把持機構成為被開放的狀態(進行了上述開放操作的狀態)。When the operating lever 17 is swung as described above by the engagement of the opener 31 and the first engaging portion 17a, as described above, the operation of being rotatably supported with respect to the head body 11 at one end side thereof follows. The support part 17c of the lever 17 is rotated toward the said rear end side in the said longitudinal direction centering on the support position. Thereby, the yarn catcher 13 including the engaging portion 13d opposed to the supporting portion 17c at a position close to the supporting portion 17c in the longitudinal direction is pressed by the supporting portion 17c at the engaging portion 13d against the application of the compression spring 15a The force is displaced toward the rear end side. As a result, the gripping portion 13b in a state in which the head portion 11b of the head body 11 is crimped is displaced toward the rear end side, and a gap is formed between the head portion 11b and the gripping portion 13b in the yarn introduction portion 11d. . That is, the gripping mechanism of the blade 10 is in an opened state (a state in which the above-described opening operation has been performed).

又,第4圖表示反喂紗側的上述開放操作。然而,在第4圖中,(a)表示劍頭10從位於上述最前進位置的狀態朝向上述反喂紗側之待機位置被後退驅動而在經紗T之開口內行進後的、位於剛好在上述待機位置之前的狀態。又,(b)表示劍頭10從(a)之狀態進一步被後退驅動而到達了上述待機位置的狀態(位於上述待機位置的狀態、以下也稱作“待機狀態”。)。Also, Fig. 4 shows the above-mentioned opening operation on the reverse yarn feeding side. However, in Fig. 4, (a) shows that the rapier 10 is driven backward from the state of being located at the most advanced position toward the standby position on the reverse feed side, and is located just before the opening of the warp T after the rapier 10 is driven backward. The state before the standby position. In addition, (b) shows the state in which the blade 10 is further driven backward from the state of (a), and arrives at the said standby position (the state located in the said standby position is also referred to as a "standby state" hereinafter.).

在投緯裝置1中,在反喂紗側之上述待機位置固定地設有圖示的反喂紗側之開鬆機41。更詳細而言,投緯裝置1具備在反喂紗側引導劍帶21之行進的帶導向件29。又,該帶導向件29在其反喂紗側相對於織機之機架被固定設置。而且,開鬆機41以安裝於該帶導向件29的形式設置。此外,開鬆機41以俯視時形成大致矩形狀,並且形成其長度尺寸(矩形之長邊之方向上的尺寸)比寬度尺寸(矩形之短邊之方向上的尺寸)足夠大的形狀的方式形成。而且,該開鬆機41以使其長邊之方向與織寬方向一致的朝向設置。In the weft insertion device 1, the opener 41 on the reverse yarn feeding side shown in the figure is fixedly provided at the above-mentioned standby position on the reverse yarn feeding side. More specifically, the weft insertion device 1 includes a belt guide 29 that guides the travel of the rapier belt 21 on the reverse yarn feeding side. Also, the belt guide 29 is fixedly disposed relative to the frame of the loom on its reverse yarn feeding side. Moreover, the opener 41 is provided so that it may be attached to the tape guide 29 . In addition, the opener 41 is formed in a substantially rectangular shape in plan view, and the length dimension (dimension in the direction of the long side of the rectangle) is sufficiently larger than the width dimension (dimension in the direction of the short side of the rectangle) form. Furthermore, the opening machine 41 is installed in an orientation in which the direction of the long side corresponds to the direction of the weave width.

該開鬆機41關於上下方向設於與織機上之劍頭10上的操作桿17之第二卡合部17b之高度位置相同的高度位置。還有,開鬆機41設置為關於上述前後方向,其內側之側面(劍頭10之行進位置側之側面)41a位於與劍頭10的頭本體11(側壁11e)近接的位置。The opening machine 41 is provided at the same height position as the height position of the second engaging portion 17b of the operating lever 17 on the rapier 10 on the loom with respect to the vertical direction. In addition, the opener 41 is installed so that the inner side surface (the side surface on the traveling position side of the rapier 10 ) 41a is located close to the head body 11 (the side wall 11e ) of the rapier 10 with respect to the front-rear direction.

而且,開鬆機41設置為關於織寬方向,在如上所述被後退驅動的劍頭10到達上述待機位置之前,其經紗T側之端面41b位於操作桿17上的第二卡合部17b到達的位置。Furthermore, the opener 41 is installed so that the second engaging portion 17b whose end face 41b on the side of the warp yarn T is located on the operating lever 17 reaches the second engaging portion 17b of the operation lever 17 before the rapier 10 driven backward as described above reaches the above-mentioned standby position with respect to the weaving width direction. s position.

此外,如圖示,在本實施例中,在劍頭10之上述待機狀態下,其端面41b關於織寬方向位於與劍頭10之最前端11g大致相同的位置。還有,開鬆機41具有延伸至比上述待機狀態之劍頭10上的第二卡合部17b之位置更靠後方(劍頭10之後退方向側)的上述長度尺寸。因此,在劍頭10之上述待機狀態下,開鬆機41關於織寬方向在從劍頭10上的最前端11g到比第二卡合部17b更靠上述後端側之部分之整個存在範圍而存在。此外,在本實施例中,劍頭10和開鬆機41的位置關係如下:關於織寬方向,在劍頭10位於上述待機位置的狀態下,該劍頭10上的第二卡合部17b位於開鬆機41之大致中央部。In addition, as shown in the figure, in the present embodiment, in the above-mentioned standby state of the rapier 10, the end surface 41b thereof is located at substantially the same position as the foremost end 11g of the rapier 10 with respect to the weaving width direction. Further, the opener 41 has the aforementioned length dimension extending to the rear (the side in the retreating direction of the rapier 10 ) from the position of the second engaging portion 17b on the rapier 10 in the standby state. Therefore, in the above-mentioned standby state of the rapier 10, the opening machine 41 exists in the entire range from the foremost front end 11g on the rapier 10 to the portion on the rear end side of the second engaging portion 17b with respect to the weaving width direction. and exist. In addition, in the present embodiment, the positional relationship between the rapier 10 and the opener 41 is as follows: with respect to the weaving width direction, when the rapier 10 is in the above-mentioned standby position, the second engaging portion 17b on the rapier 10 It is located in the approximate center of the opener 41 .

而且,根據這種開鬆機41之結構及配置,伴隨被後退驅動而劍頭10到達反喂紗側,劍頭10上的操作桿17之第二卡合部17b在其側面(與上述寬度方向交叉的外側之面、下稱“第二卡合面”。)17b1上與開鬆機41(內側之側面41a)卡合。Furthermore, according to the structure and arrangement of the opener 41, the rapier 10 reaches the reverse yarn feeding side when the rapier 10 is driven backward, and the second engaging portion 17b of the operating lever 17 on the rapier 10 is on the side (with the width of the above-mentioned width). The outer surface of the intersecting direction, hereinafter referred to as the "second engagement surface".) 17b1 is engaged with the opener 41 (the inner side surface 41a).

又,在開鬆機41中,其內側之側面41a以經紗T側之部分朝向外側傾斜的方式形成。亦即,開鬆機41形成為外側之側面在遍及其整個部分平坦地形成,並且端面41b之上述寬度尺寸比上述中央部之上述寬度尺寸小。還有,該開鬆機41上的端面41b之上述寬度尺寸被設定為如下大小,亦即,在被後退驅動的劍頭10上的第二卡合部17b到達開鬆機41之位置的時點,如上所述,從該劍頭10上的頭本體11突出的第二卡合部17b不與端面41b碰撞而與內側之側面41a上的傾斜面41a’卡合。Moreover, in the opening machine 41, the side surface 41a of the inner side is formed so that the part on the warp T side may be inclined toward the outer side. That is, the opener 41 is formed so that the side surface of the outer side is formed flat over the entire portion, and the width dimension of the end surface 41b is smaller than the width dimension of the center portion. In addition, the above-mentioned width dimension of the end face 41b on the opener 41 is set to such a size that the second engaging portion 17b on the rapier 10 driven backward reaches the position of the opener 41 As described above, the second engaging portion 17b protruding from the head body 11 of the rapier 10 does not collide with the end surface 41b but engages with the inclined surface 41a' on the inner side surface 41a.

藉此,後退過程中的劍頭10成為在第二卡合部17b到達了開鬆機41之位置的時點,如第4圖(a)所示,其第二卡合部17b在其第二卡合面17b1首先與開鬆機41之內側之側面41a的傾斜面41a’(更詳細而言,傾斜面41a’的端面41b側之部分)卡合的狀態。之後,伴隨第二卡合面17b1隨著劍頭10從該首先卡合的時點起的進一步的後退而沿著傾斜面41a’位移,第二卡合部17b(第二卡合面17b1)和側面41a(傾斜面41a’)之卡合點關於上述前後方向,向劍頭10之頭本體11側位移。亦即,伴隨該劍頭10之後退,在劍頭10中,操作桿17上的第二卡合部17b關於上述寬度方向,向頭本體11側位移。這樣,開鬆機41上的傾斜面41a’作為伴隨織幅方向上的與劍頭10之相對位移而使第二卡合部17b向頭本體11側位移的凸輪面起作用。As a result, the rapier 10 in the process of retreating becomes the time point when the second engaging portion 17b reaches the position of the opener 41, and as shown in FIG. 4(a), the second engaging portion 17b is at the second The engagement surface 17b1 is the state which engaged with the inclined surface 41a' of the inner side surface 41a of the opener 41 (more specifically, the part on the end surface 41b side of the inclined surface 41a'). Then, as the second engaging surface 17b1 is displaced along the inclined surface 41a' as the rapier 10 further retreats from the first engagement point, the second engaging portion 17b (the second engaging surface 17b1 ) and the The engagement point of the side surface 41 a (inclined surface 41 a ′) is displaced toward the head body 11 side of the rapier 10 with respect to the front-rear direction. That is, as the rapier 10 retreats, in the rapier 10, the second engaging portion 17b on the operating lever 17 is displaced toward the head body 11 with respect to the width direction. In this way, the inclined surface 41a' on the opener 41 functions as a cam surface for displacing the second engaging portion 17b toward the head body 11 with relative displacement with the rapier 10 in the weaving width direction.

而且,伴隨這種第二卡合部17b之位移,在劍頭10中,操作桿17向第4圖的順時針方向擺動。還有,當劍頭10後退至上述卡合點到達了開鬆機41之內側之側面41a的(除傾斜面41a’以外的)平坦的部分時,第二卡合部17b如第4圖(b)所示,成為大致整體進入頭本體11內(基部11a和蓋構件11h之間之空間)的狀態,操作桿17成為擺動了預定的量的狀態。而且,伴隨操作桿17這樣擺動,與上述的喂紗側之情況相同,劍頭10上的把持機構成為開放的狀態。Then, in accordance with the displacement of the second engaging portion 17b, in the rapier 10, the operation lever 17 swings in the clockwise direction in FIG. 4 . In addition, when the rapier 10 retreats to the above-mentioned engagement point and reaches the flat portion of the side surface 41a (except the inclined surface 41a') on the inner side of the opener 41, the second engagement portion 17b is as shown in FIG. 4 ( As shown in b), substantially the entire head body 11 (space between the base 11a and the cover member 11h) enters the head body 11, and the operation lever 17 is swung by a predetermined amount. Then, as the operating lever 17 is swung in this way, the gripping mechanism on the rapier 10 is in an open state, as in the case of the above-mentioned yarn feeding side.

此外,在劍頭10中,捕紗器13朝向上述後端側的位移量(開放把持機構時的其開放量)與操作桿17之擺動量相對應。而且,在本實施例中,伴隨如上所述的反喂紗側之開鬆機41和操作桿17(第二卡合部17b)之卡合的操作桿17之擺動量被設定為比伴隨上述的喂紗側之開鬆機31和操作桿17(第一卡合部17a)之卡合的操作桿17之擺動量小。In addition, in the rapier 10 , the displacement amount of the yarn catcher 13 toward the rear end side (the opening amount when the gripping mechanism is opened) corresponds to the swing amount of the operation lever 17 . Furthermore, in the present embodiment, the swing amount of the operating lever 17 accompanying the engagement of the opener 41 on the reverse yarn feeding side and the operating lever 17 (the second engaging portion 17b ) as described above is set to be larger than that associated with the above-mentioned engagement. The swing amount of the operating lever 17 in the engagement between the opener 31 on the yarn feeding side and the operating lever 17 (the first engaging portion 17a) is small.

又,在反喂紗側還設有第二限制構件43,其在操作桿17(第二卡合部17b上的第二卡合面17b1)與開鬆機41卡合時,限制劍頭10因作用於劍頭10的上述前後方向之力而向上述前後方向位移。該第二限制構件43由與開鬆機41相同的形狀之構件構成,以與開鬆機41在上述前後方向上對置,並且關於織幅方向配置於與開鬆機41大致相同位置的形式設置。還有,該第二限制構件43設置為,關於上述前後方向,其內側之側面(朝向開鬆機41側的面)之位置與劍頭10上的導向部12之上述寬度方向上的最外側之側面(外側側面)之位置大致一致。In addition, a second restricting member 43 is also provided on the reverse yarn feeding side, which restricts the rapier 10 when the operating lever 17 (the second engaging surface 17b1 on the second engaging portion 17b) is engaged with the opener 41 The rapier 10 is displaced in the front-rear direction by the force acting in the front-rear direction. The second restricting member 43 is constituted by a member having the same shape as the opening machine 41 , is opposed to the opening machine 41 in the aforementioned front-rear direction, and is arranged at substantially the same position as the opening machine 41 with respect to the woven width direction. set up. In addition, the second restricting member 43 is provided so that the position of the inner side surface (the surface facing the opener 41 side) with respect to the front-rear direction and the outermost side in the width direction of the guide portion 12 on the rapier 10 The position of the side (outer side) is roughly the same.

還有,在劍頭10中,導向部12設置為,上述外側側面相比操作桿17上的第二卡合部17b,關於上述長度方向存在於更靠上述後端側。因此,如上所述在第二卡合部17b後退至與開鬆機41卡合的位置時,劍頭10成為在其導向部12的上述外側側面與第二限制構件43之上述內側之側面抵接的狀態。藉此,伴隨操作桿17(第二卡合部17b)與開鬆機41卡合,即使如上所述對劍頭10作用上述前後方向之力,因為該力由第二限制構件43承受,所以也能夠藉由該第二限制構件43限制劍頭10之上述前後方向上的位移。In addition, in the rapier 10, the guide portion 12 is provided so that the outer side surface is located closer to the rear end side with respect to the longitudinal direction than the second engaging portion 17b on the operating lever 17. Therefore, when the second engaging portion 17b is retracted to the position where it engages with the opener 41 as described above, the rapier 10 is brought into contact with the outer side surface of the guide portion 12 and the inner side surface of the second restricting member 43. connection status. Thereby, with the engagement of the operation lever 17 (the second engaging portion 17 b ) with the opener 41 , even if the force in the front-rear direction acts on the rapier 10 as described above, the force is received by the second restricting member 43 , so The displacement in the front-rear direction of the rapier 10 can also be restricted by the second restricting member 43 .

此外,在藉由第二卡合部17b和開鬆機41之卡合而操作桿17如上所述擺動了預定的量的狀態下,關於上述寬度方向,第一卡合部17a成為其全部位於比導向部12之上述外側側面更靠劍頭10之內側的狀態。亦即,在劍頭10中,導向部12具有可以成為這種狀態的大小。又,如上所述,在劍頭10中,第二卡合部17b關於上述長度方向位於比第一卡合部17a更靠上述後端側。因此,投緯裝置1形成為在劍頭10後退至上述待機位置的過程中,第一卡合部17a不與第二限制構件43發生干擾之結構。In addition, in a state where the operation lever 17 is swung by a predetermined amount as described above by the engagement between the second engaging portion 17b and the opener 41, the first engaging portion 17a is entirely located in the widthwise direction. A state in which it is closer to the inner side of the rapier 10 than the aforementioned outer side surface of the guide portion 12 . That is, in the rapier 10, the guide portion 12 has a size that can be in this state. Moreover, as mentioned above, in the rapier 10, the 2nd engaging part 17b is located in the said rear-end side rather than the 1st engaging part 17a with respect to the said longitudinal direction. Therefore, the weft insertion device 1 is configured such that the first engaging portion 17a does not interfere with the second restricting member 43 when the rapier 10 is retracted to the above-mentioned standby position.

接著,基於第5圖~第9圖,對用於在劍頭10之上述最前進狀態下對該劍頭10供給作為緯紗之扁平紗Y之結構及其作用進行說明。亦即,以上將扁平紗Y作為緯紗進行投緯的單側劍桿織機的投緯裝置中包含的結構之一例進行了說明,但這種用於投緯扁平紗Y之投緯裝置為了能夠在喂紗側對劍頭供給扁平紗Y,具備以隔著劍頭之行進路徑橫跨上下方向的形式引導扁平紗Y的紗引導機構。以下詳述本實施例的該紗引導機構50。然而,在本實施例中,紗引導機構50構成為藉由該紗引導機構之動作進行扁平紗Y相對於劍頭10的紗導入部11d的導入。 Next, the structure for supplying the flat yarn Y as the weft yarn to the rapier 10 in the above-mentioned most advanced state of the rapier 10 and the action thereof will be described based on FIGS. 5 to 9 . That is, one example of the structure included in the weft insertion device of the single-sided rapier loom that the flat yarn Y is used as the weft yarn for weft insertion has been described above, but this is used for the weft insertion device of the flat yarn Y for weft insertion. The yarn feeding side supplies the flat yarn Y to the rapier, and is provided with a yarn guide mechanism that guides the flat yarn Y so as to span the vertical direction across the travel path of the rapier. The yarn guiding mechanism 50 of this embodiment will be described in detail below. However, in the present embodiment, the yarn guide mechanism 50 is configured to introduce the flat yarn Y to the yarn introduction portion 11d of the rapier 10 by the operation of the yarn guide mechanism.

紗引導機構50在本實施例中包含於上述的喂紗機構25。而且,該紗引導機構50如下構成:對於從包括喂紗體的喂紗單元(省略圖示)供給的扁平紗Y,關於織幅方向,在劍頭10成為上述最前進狀態時之紗導入部11d之位置(以下也稱為“喂紗位置”。),關於上下方向,從劍頭10之行進路徑(在第5圖、6圖中為點劃線P所示的位置)之上方朝向下方(隔著該行進路徑P)引導扁平紗Y。 The yarn guide mechanism 50 is included in the above-described yarn feeding mechanism 25 in this embodiment. In addition, the yarn guide mechanism 50 is configured such that the flat yarn Y supplied from a yarn supplying unit (not shown) including a yarn supplying body is a yarn introduction portion when the rapier 10 is in the most advanced state with respect to the weaving width direction. The position of 11d (hereinafter also referred to as "yarn feeding position") is from above to the downward direction of the travel path of the rapier 10 (the position indicated by the dashed line P in Figs. 5 and 6) in the vertical direction. The flat yarn Y is guided (across the travel path P).

更詳細而言,該紗引導機構50包括在行進路徑P之下方保持扁平紗Y的保持裝置51、在比行進路徑P更靠上方引導扁平紗Y的引導構件53、朝向保持裝置51引導扁平紗Y的引導裝置55、將保持裝置51切換為保持狀態和非保持狀態的作為把持驅動裝置之流體壓缸(例如氣缸)57。 More specifically, the yarn guide mechanism 50 includes a holding device 51 that holds the flat yarn Y below the travel path P, a guide member 53 that guides the flat yarn Y above the travel path P, and guides the flat yarn toward the holding device 51 A guide device 55 for Y, and a hydraulic cylinder (eg, an air cylinder) 57 serving as a grip driving device for switching the holding device 51 between a holding state and a non-holding state.

保持裝置51包括從上方接納扁平紗Y並保持該扁平紗Y之前端部的保持體52。該保持體52整體上構成為如夾子狀之夾具,包括保持扁平紗Y時成為保持基體的基體側之第一保持構件51a和保持扁平紗Y時被轉動操作的可動側之第二保持構件51b。該第一、第二保持構件51a、51b均構成為,以形成為大致方柱狀的基體部51a1、51b1為主體,並在該基體部51a1、51b1之長度方向上的一端側具有第一、第二保持部51a2、51b2。亦即,保持體52之結構為,具有第一、第二保持部51a2、51b2,並且,該第一、第二保持部51a2、51b2中之第一保持部51a2包含在作為第一保持構件的基體側之第一保持構件51a中,第二保持部51b2包含在作為第二保持構件的可動側之第二保持構件51b中。 The holding device 51 includes a holding body 52 that receives the flat yarn Y from above and holds the front end of the flat yarn Y. The holding body 52 is configured as a clip-like jig as a whole, and includes a first holding member 51a on the base side that holds the base when the flat yarn Y is held, and a second holding member 51b on the movable side that is rotated when the flat yarn Y is held. . Each of the first and second holding members 51a and 51b has base portions 51a1 and 51b1 formed in a substantially square column shape as its main body, and has first, The second holding parts 51a2 and 51b2. That is, the holding body 52 has the first and second holding portions 51a2 and 51b2, and the first holding portion 51a2 of the first and second holding portions 51a2 and 51b2 is included in the first holding member. In the first holding member 51a on the base side, the second holding portion 51b2 is included in the second holding member 51b on the movable side as the second holding member.

此外,在第一、第二保持構件51a、51b中,第一、第二保持部51a2、51b2關於第一、第二保持構件51a、51b之寬度方向,具有比基體部51a1、51b1大的尺寸,並且在其中間部與基體部51a1、51b1連續。因此,第一、第二保持 構件51a、51b在其厚度方向觀察形成為T字形。而且,第一、第二保持構件51a、51b在各自的基體部51a1、51b1之其長度方向上的大致中間部形成的安裝部51a3、51b3藉由樞軸51c組合成可相對轉動。而且,該保持體52構成為,這樣組合的狀態之第一、第二保持構件51a、51b在其厚度方向上對置,並且,在基體部51a1、51b1之長度方向上,第一、第二保持部51a2、51b2之位置一致。因此,第一、第二保持部51a2、51b2在這樣組合的狀態下能夠接近和遠離。 Further, in the first and second holding members 51a and 51b, the first and second holding portions 51a2 and 51b2 have dimensions larger than those of the base portions 51a1 and 51b1 in the width direction of the first and second holding members 51a and 51b. , and is continuous with the base portions 51a1 and 51b1 at the intermediate portion. Therefore, the first and second hold The members 51a and 51b are formed in a T-shape when viewed in the thickness direction. Moreover, the mounting parts 51a3 and 51b3 of the first and second holding members 51a and 51b formed in the substantially middle part in the longitudinal direction of the respective base parts 51a1 and 51b1 are combined by the pivot shaft 51c so as to be relatively rotatable. Furthermore, the holding body 52 is configured such that the first and second holding members 51a and 51b in the combined state are opposed to each other in the thickness direction, and the first and second holding members 51a1 and 51b1 are arranged in the longitudinal direction of the base parts 51a1 and 51b1. The positions of the holding parts 51a2 and 51b2 are the same. Therefore, the 1st, 2nd holding|maintenance part 51a2, 51b2 can approach and separate in the state combined in this way.

還有,該保持體52關於基體部51a1、51b1之長度方向在與相對於安裝部51a3、51b3的第一、第二保持部51a2、51b2側相反側之位置,具備安裝於兩基體部51a1、51b1之間的壓縮彈簧51d(在圖示之例子中為兩個)。因此,在該保持體52上,第一、第二保持構件51a、51b中的第一、第二保持部51a2、51b2藉由該壓縮彈簧51d之彈力相互壓接。 In addition, the holder 52 has a position on the opposite side of the first and second holding parts 51a2 and 51b2 with respect to the mounting parts 51a3 and 51b3 with respect to the longitudinal direction of the base parts 51a1 and 51b1. Compression springs 51d (two in the illustrated example) between 51b1. Therefore, in the holding body 52, the first and second holding portions 51a2, 51b2 of the first and second holding members 51a, 51b are pressed against each other by the elastic force of the compression spring 51d.

而且,保持裝置51包括用以在織機上支撐該基體側之第一保持構件51a之保持體支撐機構51e。第7圖表示該保持體支撐機構51e之一例。如圖所示,保持體支撐機構51e包括安裝基體側之第一保持構件51a的支撐板51e1。而且,基體側之第一保持構件51a在基體部51a1的與可動側之第二保持構件51b對置的側面的相反側之側面安裝於支撐板51e1。 Further, the holding device 51 includes a holding body supporting mechanism 51e for supporting the first holding member 51a on the base side on the loom. FIG. 7 shows an example of the holder support mechanism 51e. As shown in the figure, the holder support mechanism 51e includes a support plate 51e1 to which the first holder member 51a on the base side is attached. Furthermore, the first holding member 51a on the base body side is attached to the support plate 51e1 on the side opposite to the side surface of the base body portion 51a1 facing the second holding member 51b on the movable side.

該支撐板51e1以將板材彎曲成L字形的形式形成。亦即,支撐板51e1具有比該彎曲部更靠一側之板部(一側板部)和另一側之板部(另一側板部)。而且,基體側之第一保持構件51a以基體部51a1之長度方向與上述另一側板部之端面平行的方式安裝於支撐板51e1之上述一側板部的內側之面(朝向上述另一側板部側的面)。此外,支撐板51e1,關於安裝於其上的基體側之第一保持構件51a之基體部51a1之長度方向,上述另一側板部之尺寸比上述一側板部之尺寸小,形成兩板部之一端側之位置一致並且上述一端側板部相對於上述另一端側板部被延長的形狀。 The support plate 51e1 is formed by bending a plate material in an L-shape. That is, the support plate 51e1 has a plate portion on one side (one side plate portion) and a plate portion on the other side (the other side plate portion) more than the curved portion. Further, the first holding member 51a on the base body side is attached to the inner surface of the one side plate portion of the support plate 51e1 (toward the other side plate portion side) so that the longitudinal direction of the base body portion 51a1 is parallel to the end surface of the other side plate portion. face). In addition, the support plate 51e1, with respect to the longitudinal direction of the base body portion 51a1 of the first holding member 51a on the base body side mounted thereon, has the size of the other side plate portion smaller than the size of the one side plate portion, and forms one end of the two plate portions. A shape in which the positions of the sides are the same and the one end side plate portion is extended with respect to the other end side plate portion.

又,保持體支撐機構51e包括為了使該支撐板51e1處於支撐在織機上的狀態而支撐支撐板51e1的支架51e3。而且,支撐板51e1在上述另一側板部的外側之面(與朝向上述一側板部側的面相反側之面)安裝於該支架51e3上。 Moreover, the holder support mechanism 51e is provided with the bracket 51e3 which supports the support plate 51e1 so that this support plate 51e1 may be in the state supported by the loom. Furthermore, the support plate 51e1 is attached to the bracket 51e3 on the outer surface of the other side plate portion (the surface on the opposite side to the surface facing the one side plate portion side).

該支架51e3具有安裝支撐板51e1的板狀之支撐部,並且,從與該支撐部之安裝支撐板51e1的面平行地觀察,形成為L字形。亦即,支架51e3除上述支撐部之外,還具有在相對於該上述支撐部正交的方向上延伸的部分,且作為在織機上支撐支撐板51e1時之基體的部分亦即基部。而且,支撐板51e1安裝於該支架51e3之上述支撐部的外側之面(與朝向上述基部側的面相反側之面)上。然而,支撐板51e1以基體側之第一保持構件51a中的基體部51a1之長度方向與支架51e3的上述支撐部相對於上述基部之延伸方向一致的方式安裝於支架51e3上。 The bracket 51e3 has a plate-shaped support portion to which the support plate 51e1 is attached, and is formed in an L-shape when viewed in parallel with the surface of the support portion to which the support plate 51e1 is attached. That is, the bracket 51e3 has a portion extending in a direction orthogonal to the above-mentioned support portion in addition to the above-mentioned support portion, and is a base portion that is a portion of the base when the support plate 51e1 is supported on the loom. And the support plate 51e1 is attached to the surface (surface on the opposite side to the surface facing the said base part side) of the outer side of the said support part of this bracket 51e3. However, the support plate 51e1 is attached to the bracket 51e3 so that the longitudinal direction of the base portion 51a1 in the first holding member 51a on the base side coincides with the extending direction of the support portion of the bracket 51e3 relative to the base.

還有,保持體支撐機構51e包括如由導軌51e6和藉由該導軌51e6引導位移的滑塊51e5構成的所謂的LM導向件那樣的引導機構。該導軌51e6藉由適當的支撐單元等支撐於織機之機架,在上下方向上的行進路徑P之下方且織幅方向上的上述喂紗位置,以沿上述前後方向延伸的方式被固定配置。而且,如上所述,安裝有支撐板51e1的支架51e3以使其上述支持部之上述延伸方向與上下方向一致的朝向安裝該於引導機構的滑塊51e5上。 Further, the holder support mechanism 51e includes a guide mechanism such as a so-called LM guide composed of a guide rail 51e6 and a slider 51e5 whose displacement is guided by the guide rail 51e6. The guide rail 51e6 is supported on the frame of the loom by a suitable support unit or the like, and is fixedly arranged to extend in the front-rear direction at the above-mentioned yarn feeding position in the weaving width direction below the travel path P in the up-down direction. Further, as described above, the bracket 51e3 to which the support plate 51e1 is attached is attached to the slider 51e5 of the guide mechanism so that the extending direction of the support portion is aligned with the vertical direction.

藉此,如上述安裝於支撐板51e1的基體側之第一保持構件51a及與該第一保持構件51a組合的可動側之第二保持構件51b在以使其基體部51a1、51b1之長度方向朝向上下方向的形式藉由保持體支撐機構51e支撐的狀態下設於織機上。此外,在保持體支撐機構51e的引導機構中,滑塊51e5在導軌51e6之延伸方向、亦即上述前後方向上被容許位移,但不容許向其以外之方向的位移。因此,經由支架51e3及支撐板51e1支撐於該滑塊51e5的第一保持構件51a(第二保持構件51b)關於織幅方向成為其配置被固定的狀態。 Thereby, the first holding member 51a attached to the base side of the support plate 51e1 as described above and the second holding member 51b on the movable side combined with the first holding member 51a are positioned so that the longitudinal directions of the base portions 51a1 and 51b1 face The form in the vertical direction is provided on the loom in a state supported by the holder support mechanism 51e. Further, in the guide mechanism of the holder support mechanism 51e, the slider 51e5 is allowed to displace in the extending direction of the guide rail 51e6, that is, in the aforementioned front-rear direction, but is not allowed to displace in other directions. Therefore, the arrangement|positioning of the 1st holding member 51a (2nd holding member 51b) supported by this slider 51e5 via the bracket 51e3 and the support plate 51e1 becomes the state fixed with respect to the weaving direction.

而且,在這樣設於織機上的狀態下,如上所述,第一、第二保持 構件51a、51b位於行進路徑P之下方。又,藉由織機上之保持體支撐機構51e(導軌51e6)之配置及安裝於支撐板51e1的狀態下之基體側之第一保持構件51a和其保持體支撐機構51e(導軌51e6)之位置關係,如上所述設於織機上的狀態下之第一保持構件51a被配置為,關於織幅方向,使其第一保持部51a2之可動側之朝向第二保持構件51b側的面位於上述喂紗位置。因此,如上所述,藉由第一、第二保持構件51a、51b上的第一、第二保持部51a2、51b2成為相互壓接的狀態而形成的第一保持裝置51上的保持部分51h,關於織幅方向上也位於上述喂紗位置。而且,因為保持體支撐機構51e在如上所述的引導機構中支撐於織機之機架,所以第一、第二保持構件51a、51b成為在織機中被設置為能夠沿上述前後方向位移的狀態。 Then, in the state of being installed on the loom as described above, the first and second holding The members 51a, 51b are located below the travel path P. As shown in FIG. In addition, by the arrangement of the holder support mechanism 51e (guide rail 51e6 ) on the loom and the positional relationship between the first holder member 51a on the base side and the holder support mechanism 51e (guide rail 51e6 ) in the state of being mounted on the support plate 51e1 The first holding member 51a in the state of being installed on the loom as described above is arranged so that the surface of the movable side of the first holding portion 51a2 facing the second holding member 51b is positioned on the yarn feeding with respect to the weaving width direction. Location. Therefore, as described above, the holding portion 51h on the first holding device 51 is formed by the first and second holding portions 51a2 and 51b2 on the first and second holding members 51a and 51b being in a state of being in pressure contact with each other. It is also located at the above-mentioned yarn feeding position with respect to the web direction. Furthermore, since the holder support mechanism 51e is supported by the frame of the loom in the guide mechanism as described above, the first and second holding members 51a and 51b are provided in the loom to be displaceable in the front-rear direction.

又,保持裝置51包括作為用以使保持體支撐機構51e向上述前後方向位移,進而使第一、第二保持構件51a、51b向上述前後方向位移之驅動機構之位移驅動裝置。又,保持體支撐機構51e構成為,包括連結構件51e7,且該連結構件51e7安裝於支架51e3上的上述支撐部之上述外側之面上之結構。而且,保持體支撐機構51e在該連結構件51e7與該位移驅動裝置連結。 Further, the holding device 51 includes a displacement driving device as a driving mechanism for displacing the holding body support mechanism 51e in the front-rear direction, thereby displacing the first and second holding members 51a, 51b in the front-rear direction. Moreover, the holder support mechanism 51e is comprised by the structure which includes the connection member 51e7, and this connection member 51e7 is attached to the surface of the said outer side of the said support part on the bracket 51e3. Furthermore, the holder support mechanism 51e is connected to the displacement driving device at the connection member 51e7.

第8圖表示該位移驅動裝置之一例。第8圖所示的位移驅動裝置51f包括關於上下方向在比引導構件53更靠上方,將軸線朝向織幅方向在織機上固定配置的支撐軸51f3和經由軸承支撐於該支撐軸51f3並在織機上設置為能夠在上述前後方向上擺動的板狀之驅動桿51f1。如第8(b)圖所示,該驅動桿51f1在其板厚方向觀察形成為大致L字形之形狀,在其一端被支撐軸51f3支撐。又,驅動桿51f1在其另一端與連結構件51e7(支架51e3)連結。此外,驅動桿51f1和連結構件51e7藉由包括球面軸承等的連結件51f4進行連結。 Fig. 8 shows an example of the displacement driving device. The displacement driving device 51f shown in FIG. 8 includes a support shaft 51f3 which is fixedly arranged on the loom above the guide member 53 in the vertical direction, and whose axis is directed in the weaving direction, and a support shaft 51f3 supported by the support shaft 51f3 via a bearing and connected to the loom. A plate-shaped drive lever 51f1 which is swingable in the aforementioned front-rear direction is provided on the upper side. As shown in Fig. 8(b), the drive rod 51f1 is formed into a substantially L-shaped shape when viewed in the plate thickness direction, and is supported by a support shaft 51f3 at one end thereof. Moreover, the drive rod 51f1 is connected to the connection member 51e7 (bracket 51e3) at the other end. Moreover, the drive rod 51f1 and the connection member 51e7 are connected by the connection tool 51f4 which consists of a spherical bearing or the like.

又,位移驅動裝置51f包括用以擺動驅動驅動桿51f1之凸輪機構。該凸輪機構包括以在織機上與支撐軸51f3平行的方式設置的旋轉軸51f6和相 對於該旋轉軸51f6組裝為不能相對旋轉且被旋轉軸51f6支撐的凸輪51f2。又,該旋轉軸51f6與適當的驅動單元連結。而且,旋轉軸51f6(凸輪51f2)被該驅動單元旋轉驅動,以在織機之每一循環(織機之主軸旋轉一圈的期間)中旋轉一圈。此外,該驅動單元例如係包括與織機之主軸連結並被主軸旋轉驅動的驅動軸、及將該驅動軸和旋轉軸51f6連結而將驅動軸之旋轉傳遞給旋轉軸51f6的傳遞機構的驅動機構,其中,該傳遞機構由帶輪、帶等構成。又,該驅動單元亦可係相對於旋轉軸直接連結的驅動馬達。 Further, the displacement driving device 51f includes a cam mechanism for swinging the driving lever 51f1. The cam mechanism includes a rotating shaft 51f6 provided in parallel with the support shaft 51f3 on the loom, and a phase The cam 51f2 which cannot rotate relative to this rotating shaft 51f6 and is supported by the rotating shaft 51f6 is assembled. Moreover, this rotating shaft 51f6 is connected with an appropriate drive means. Also, the rotary shaft 51f6 (cam 51f2) is rotationally driven by the drive unit so as to make one rotation per cycle of the loom (a period during which the main shaft of the loom rotates once). Further, the drive unit includes, for example, a drive shaft that is connected to the main shaft of the loom and is rotationally driven by the main shaft, and a drive mechanism that connects the drive shaft to the rotation shaft 51f6 and transmits the rotation of the drive shaft to the transmission mechanism of the rotation shaft 51f6, Among them, the transmission mechanism is composed of pulleys, belts, and the like. In addition, the drive unit may be a drive motor directly connected to the rotating shaft.

凸輪51f2在如上所述被旋轉軸51f6支撐的狀態下,如第8(b)圖所示,以在驅動桿51f1之板厚方向觀察其一部分與驅動桿51f1重疊的方式設於織機上。該凸輪51f2在圖示之例子中係槽凸輪(凸輪槽省略圖示)。又,在驅動桿51f1上,相對於如上所述與凸輪51f2重疊的部分中的與凸輪51f2對置的面旋轉自如地安裝有以可被引導至凸輪51f2之凸輪槽的方式設置的凸輪從動件(省略圖示)。 The cam 51f2 is provided on the loom so that a part of the cam 51f2 overlaps with the drive lever 51f1 as viewed in the plate thickness direction of the drive lever 51f1 as shown in Fig. 8(b) in a state supported by the rotating shaft 51f6 as described above. This cam 51f2 is a grooved cam in the example shown in the figure (the cam groove is not shown in the figure). In addition, a cam follower provided so as to be guided to the cam groove of the cam 51f2 is rotatably attached to the drive lever 51f1 with respect to the surface facing the cam 51f2 in the portion overlapping the cam 51f2 as described above. parts (illustration omitted).

藉此,位移驅動裝置51f構成為,藉由如上所述旋轉驅動凸輪51f2來擺動驅動驅動桿51f1,凸輪51f2每旋轉一圈,驅動桿51f1在上述前後方向上進行一次往復擺動運動之結構。而且,藉由像這樣擺動驅動驅動桿51f1,與該驅動桿51f1連結的保持體支撐機構51e、以及被該保持體支撐機構51e支撐的第一、第二保持構件51a、51b在投緯期間中,如後述在上述前後方向上被位移驅動。 Accordingly, the displacement driving device 51f is configured to swing and drive the drive lever 51f1 by rotating the drive cam 51f2 as described above, and the drive lever 51f1 performs a reciprocating swinging motion in the front-rear direction every time the cam 51f2 rotates once. Then, by swinging the drive lever 51f1 in this way, the holder support mechanism 51e connected to the drive lever 51f1 and the first and second holder members 51a and 51b supported by the holder support mechanism 51e are in the weft insertion period. , is driven by displacement in the aforementioned front-back direction as described later.

又,如上所述,紗引導機構50也包括引導扁平紗Y的引導構件53,該引導構件53也藉由保持體支撐機構51e支撐。詳細而言,該引導構件53係輥狀(軸狀)之構件,經由安裝板53a及支撐臂53b支撐於保持體支撐機構51e的支撐板51e1。該安裝板53a係將板材彎曲成L字形的構件,在比該彎曲部更靠一端側之部分安裝於支撐板51e1上的上述一側板部的外側之面。然而,該安裝板53a在這樣安裝的狀態下,以比該彎曲部更靠另一端側之部分在織機上位於支撐 板51e1上的上述另一側板部之上方的方式安裝於支撐板51e1。 Further, as described above, the yarn guide mechanism 50 also includes the guide member 53 that guides the flat yarn Y, and this guide member 53 is also supported by the holder support mechanism 51e. Specifically, the guide member 53 is a roller-shaped (shaft-shaped) member, and is supported by the support plate 51e1 of the holder support mechanism 51e via the mounting plate 53a and the support arm 53b. The mounting plate 53a is a member obtained by bending a plate material in an L-shape, and is attached to the outer surface of the one-side plate portion on the support plate 51e1 at a portion closer to one end side than the bent portion. However, the mounting plate 53a is supported on the loom with a portion closer to the other end side than the curved portion in this mounted state. The plate 51e1 is attached to the support plate 51e1 so as to be above the other side plate portion.

又,支撐臂53b係細長的板狀之構件,以在織機上從安裝板53a的上述另一端側之部分朝向上方延伸的形式在其長度方向上的一端部安裝於安裝板53a上。而且,引導構件53在該支撐臂53b之另一端部被單臂支撐。此外,在這樣支撐的狀態下,引導構件53關於上下方向位於行進路徑P之上方。亦即,支撐臂53b具有將引導構件53配置於這樣的位置的長度尺寸。又,引導構件53關於織幅方向,成為配置於比基體側之第一保持構件51a之第一保持部51a2更靠筘R之側相反側的狀態。 The support arm 53b is an elongated plate-shaped member, and is attached to the attachment plate 53a at one end in the longitudinal direction so as to extend upward from the portion of the other end side of the attachment plate 53a on the loom. Further, the guide member 53 is supported by a single arm at the other end portion of the support arm 53b. Further, in the state of such support, the guide member 53 is positioned above the travel path P with respect to the up-down direction. That is, the support arm 53b has the length dimension which arrange|positions the guide member 53 in such a position. Moreover, the guide member 53 is arrange|positioned at the side opposite to the reed R side rather than the 1st holding|maintenance part 51a2 of the 1st holding member 51a of a base body side with respect to a weaving direction.

這樣,引導構件53藉由支撐第一、第二保持構件51a、51b的保持體支撐機構51e支撐。因此,如上所述,伴隨第一、第二保持構件51a、51b向上述前後方向被位移驅動,引導構件53也同樣地向上述前後方向位移。此外,該第一、第二保持構件51a、51b及引導構件53之位移驅動,關於上述前後方向,在與劍頭10之行進位置重疊的位置亦即基準位置和從劍頭10之行進位置向織口側遠離的退避位置這兩個位置間進行。而且,第一、第二保持構件51a、51b及引導構件53通常被配置於上述基準位置。又,第一、第二保持構件51a、51b及引導構件53在開始用以投緯之劍頭10之前進驅動後直至劍頭10到達上述最前進位置之間處於位於上述退避位置的狀態,在劍頭10到達上述最前進位置而相對於紗導入部11d導入扁平紗Y時,朝向上述基準位置位移。 In this way, the guide member 53 is supported by the holder support mechanism 51e that supports the first and second holding members 51a and 51b. Therefore, as described above, when the first and second holding members 51a and 51b are driven to be displaced in the front-rear direction, the guide member 53 is similarly displaced in the front-rear direction. In addition, the displacement drive of the first and second holding members 51a, 51b and the guide member 53 is at a position overlapping with the advancing position of the rapier 10, that is, a reference position, and a direction from the advancing position of the rapier 10 with respect to the front-rear direction. It is performed between the two positions of the retracted position away from the cloth fell side. Moreover, the 1st, 2nd holding member 51a, 51b and the guide member 53 are normally arrange|positioned in the said reference position. In addition, the first and second holding members 51a, 51b and the guide member 53 are in the state of being located at the retracted position between the start of the forward driving of the rapier 10 for weft insertion and the time when the rapier 10 reaches the most advanced position. When the rapier 10 reaches the most advanced position and introduces the flat yarn Y with respect to the yarn introduction portion 11d, the rapier 10 is displaced toward the reference position.

又,如上所述,紗引導機構50也包括作為保持驅動裝置之流體壓缸57。該流體壓缸57係將保持裝置51切換為保持狀態和非保持狀態的裝置,更詳細而言,係將上述的保持裝置51中的保持部分51h切換為相互壓接第一、第二保持構件51a、51b中的第一、第二保持部51a2、51b2的狀態亦即保持狀態和第一、第二保持部51a2、51b2遠離而開放該保持部分51h的狀態亦即非保持狀態的裝置。 Further, as described above, the yarn guide mechanism 50 also includes the hydraulic cylinder 57 as the holding drive means. The hydraulic cylinder 57 switches the holding device 51 between the holding state and the non-holding state, and more specifically, switches the holding portion 51h of the holding device 51 described above so that the first and second holding members are pressed against each other. The state of the first and second holding parts 51a2 and 51b2 in 51a and 51b, that is, the holding state is a device in which the first and second holding parts 51a2 and 51b2 are separated from each other and the holding part 51h is opened, that is, a non-holding state.

該流體壓缸57藉由適當的支撐單元等固定配置於織機之機架上。又,該流體壓缸57關於上述前後方向設置為,安裝於其活塞桿57a之前端的按壓體57b在織幅方向上與位於上述基準位置的可動側之第二保持構件51b之基體部51b1相對置。然而,該流體壓缸57關於上下方向設置為,與基體部51b1之長度方向上的第二保持部51b2側的相反側之端部(下端部)對置。還有,流體壓缸57設置為,關於織幅方向,在不工作狀態(活塞桿57a後退的狀態)下該按壓體57b與第二保持構件51b遠離,並且在工作狀態(活塞桿57a進出的狀態)下按壓體57b並將第二保持構件51b之上述下端部按壓規定量。 The fluid pressure cylinder 57 is fixedly arranged on the frame of the loom by a suitable support unit or the like. In addition, the hydraulic cylinder 57 is provided with respect to the front-rear direction so that the pressing body 57b attached to the front end of the piston rod 57a thereof faces the base portion 51b1 of the second holding member 51b on the movable side of the reference position in the weaving direction. . However, the hydraulic cylinder 57 is provided so as to face the end (lower end) on the opposite side to the second holding portion 51b2 in the longitudinal direction of the base portion 51b1 with respect to the vertical direction. Further, the hydraulic cylinder 57 is provided so that the pressing body 57b is separated from the second holding member 51b in the non-operating state (the state in which the piston rod 57a is retracted) with respect to the web direction, and so that in the operating state (the piston rod 57a is moved in and out) state) the pressing body 57b is pressed down and the above-mentioned lower end portion of the second holding member 51b is pressed by a predetermined amount.

因此,藉由使流體壓缸57處於工作狀態,如上所述,可動側之第二保持構件51b其下端部被按壓而對抗壓縮彈簧51d之彈力進行位移,其結果,以組合了第一、第二保持構件51a、51b的樞軸51c為中心,第二保持部51b2向從第一保持構件51a遠離的方向轉動位移。亦即,流體壓缸57轉動驅動可動側之第二保持構件51b,以使處於被按壓於第一保持部51a2的第二保持部51b2之位置從第一保持部51a向遠離的位置變更。藉此,如上所述,基體側之第一保持構件51a之第一保持部51a2和可動側之第二保持構件51b之第二保持部51b2自如上所述被壓接的狀態(第5圖之狀態)成為遠離的狀態(第6圖之狀態),保持部分51h成為開放的狀態。 Therefore, by operating the hydraulic cylinder 57, as described above, the lower end portion of the second holding member 51b on the movable side is pressed against the elastic force of the compression spring 51d and displaced. As a result, the first and second holding members are combined. The pivot shaft 51c of the two holding members 51a and 51b is the center, and the second holding portion 51b2 is rotationally displaced in a direction away from the first holding member 51a. That is, the hydraulic cylinder 57 rotationally drives the second holding member 51b on the movable side so that the position of the second holding portion 51b2 pressed against the first holding portion 51a2 is changed from the first holding portion 51a to a position away from the first holding portion 51a. Thereby, as described above, the first holding portion 51a2 of the first holding member 51a on the base side and the second holding portion 51b2 of the second holding member 51b on the movable side are pressure-bonded as described above (Fig. 5). state) is in a separated state (the state in FIG. 6 ), and the holding portion 51h is in an open state.

又,如上所述,紗引導機構50也包括朝向保持裝置51導入扁平紗Y的引導裝置55。該引導裝置55具有如圖所示的將薄板在兩個部位大致直角彎曲而形成的引導構件,該引導構件中的比前端側之彎曲部更靠前端側之部分相當於本發明的引導板。 Further, as described above, the yarn guide mechanism 50 also includes the guide device 55 for introducing the flat yarn Y toward the holding device 51 . The guide device 55 has a guide member formed by bending a thin plate at substantially right angles at two locations as shown in the figure, and the portion of the guide member on the front end side of the curved portion on the front end side corresponds to the guide plate of the present invention.

關於該引導板55a之配置,引導板55a設置為,關於織幅方向,其整體位於與保持裝置51中的保持部分51h大致相同的位置。亦即,引導板55a設置為,其板面以與上述前後方向平行(與板面正交的板厚方向與織幅度方向一 致)的朝向位於保持裝置51的保持體52的正上方。然而,該引導板55a設置為其前端緣(與彎曲部側相反側之端緣)55a1在最下方水平延伸。又,引導板55a設置為,關於前後方向位於與保持裝置51位於上述基準位置時之保持部分51h(第一、第二保持部51a2、51b2)之位置大致相同的位置。 With regard to the arrangement of the guide plate 55a, the guide plate 55a is provided so as to be located in substantially the same position as the holding portion 51h in the holding device 51 as a whole with respect to the web direction. That is, the guide plate 55a is provided so that its plate surface is parallel to the above-mentioned front-rear direction (the plate thickness direction perpendicular to the plate surface is the same as the weave width direction). ) is located just above the holding body 52 of the holding device 51 . However, this guide plate 55a is provided so that its front end edge (end edge on the opposite side to the bent portion side) 55a1 extends horizontally at the lowest position. In addition, the guide plate 55a is provided at substantially the same position as the position of the holding portion 51h (first and second holding portions 51a2, 51b2) when the holding device 51 is located at the reference position with respect to the front-rear direction.

此外,在本實施例中,引導板55a形成為具有與第一、第二保持構件51a、51b之寬度方向上的第一、第二保持部51a2、51b2之尺寸大致相同的寬度尺寸(前端緣55a1之延伸方向上的尺寸)。而且,該引導板55a在如上所述的配置中,被安裝於包括供該引導板55a固定的支撐體55b的引導板支撐機構上,並且,以與作為用以使引導板55a在上下方向上位移之驅動機構之引導板驅動裝置55g連結的形式被支撐。 In addition, in the present embodiment, the guide plate 55a is formed to have substantially the same width dimension (the leading edge of 55a1 in the direction of extension). Further, in the above-described arrangement, the guide plate 55a is attached to a guide plate support mechanism including a support body 55b to which the guide plate 55a is fixed, and serves as a vertical direction for the guide plate 55a. The guide plate drive device 55g of the displacement drive mechanism is supported in a connected form.

該引導板支撐機構除供引導板55a固定的板狀之支撐體55b之外,還包括用以引導引導板55a之上下方向之位移之引導機構。該引導機構係與上述的保持裝置51之支撐機構51e的引導機構同樣的機構,包括導軌55e和藉由該導軌55e引導位移的滑塊55d的所謂的LM導向件那樣的機構。該導軌55e藉由支撐支架55f支撐於支撐機架59(僅圖示一部分)上,該支撐機架59用以在織機上將紗引導機構50固定設置於織機之機架上。另外,上述的保持裝置51的保持體支撐機構51e(導軌51e6)也支撐於該支撐機架59上。 The guide plate support mechanism includes, in addition to the plate-shaped support body 55b to which the guide plate 55a is fixed, a guide mechanism for guiding the vertical displacement of the guide plate 55a. This guide mechanism is the same as the guide mechanism of the support mechanism 51e of the holding device 51 described above, and includes a guide rail 55e and a mechanism such as a so-called LM guide that guides the slider 55d displaced by the guide rail 55e. The guide rail 55e is supported on a support frame 59 (only a part of which is shown in the figure) through a support bracket 55f, and the support frame 59 is used to fix the yarn guiding mechanism 50 on the frame of the loom on the loom. In addition, the holder support mechanism 51e (rail 51e6 ) of the above-mentioned holder 51 is also supported by this support frame 59 .

該引導機構的導軌55e在被如上所述支撐的狀態下,以使其長度方向與上下方向一致的朝向固定配置在織機上的行進路徑P之上方且可形成如上所述之引導板55a之配置的位置。因此,該引導機構的滑塊55d在織機上能夠沿上下方向位移。而且,供引導板55a固定的支撐體55b藉由板狀之襯墊55c安裝於滑塊55d上。藉此,引導板55a在織機上的如上所述之配置中,成為如下狀態,亦即,設置為能夠沿上下方向位移。 The guide rail 55e of the guide mechanism is fixedly arranged above the travel path P on the loom with the longitudinal direction of the guide plate 55e in the state supported as described above, and the orientation of the longitudinal direction coincides with the vertical direction, and the arrangement of the guide plate 55a as described above can be formed. s position. Therefore, the slider 55d of this guide mechanism can be displaced in the up-down direction on the loom. Furthermore, the support body 55b to which the guide plate 55a is fixed is attached to the slider 55d via the plate-shaped spacer 55c. Thereby, in the arrangement|positioning mentioned above on the loom, the guide plate 55a is set as the state which can be displaced in an up-down direction.

又,引導板驅動裝置55g包括與支撐體55b(引導板55a)連結的 板狀之升降桿55g1和用以擺動驅動該升降桿55g1之凸輪機構。此外,該升降桿55g1被上述的位移驅動裝置51f中的支撐軸51f3支撐,在織機上能夠沿上下方向擺動。亦即,在本實施例中,支撐位移驅動裝置51f中的驅動桿51f1的軸和支撐引導板驅動裝置55g中的升降桿55g1的軸為共同的軸。而且,該支撐軸51f3被支撐為相對於支撐機架59可旋轉。 In addition, the guide plate drive device 55g includes a support body 55b (guide plate 55a) connected to A plate-shaped lift rod 55g1 and a cam mechanism for swinging the lift rod 55g1. In addition, this lift rod 55g1 is supported by the support shaft 51f3 in the above-mentioned displacement drive device 51f, and can swing in the up-down direction on the loom. That is, in the present embodiment, the shaft supporting the driving rod 51f1 in the displacement driving device 51f and the shaft supporting the lifting rod 55g1 in the guide plate driving device 55g are a common shaft. Moreover, this support shaft 51 f3 is supported so as to be rotatable with respect to the support frame 59 .

又,該升降驅動裝置55g中的凸輪機構之凸輪55g2以組裝成相對於上述的位移驅動裝置51f中的凸輪機構之旋轉軸51f6不能相對旋轉的形式被該旋轉軸51f6支撐。亦即,在本實施例中,對位移驅動裝置51f中的凸輪機構之凸輪51f2進行旋轉驅動的軸和對升降驅動裝置55g中的凸輪機構之凸輪55g2進行旋轉驅動的軸為共同的軸。因此,升降驅動裝置55g中的凸輪機構之凸輪55g2也與位移驅動裝置51f中的凸輪機構之凸輪51f2同樣地如上述那樣被旋轉驅動。而且,該旋轉軸51f6亦被支撐為相對於支撐機架59可旋轉。 In addition, the cam 55g2 of the cam mechanism in the elevating driving device 55g is supported by the rotating shaft 51f6 so as not to rotate relative to the rotating shaft 51f6 of the cam mechanism in the above-described displacement driving device 51f. That is, in this embodiment, the shaft for rotationally driving the cam 51f2 of the cam mechanism in the displacement driving device 51f and the shaft for rotationally driving the cam 55g2 of the cam mechanism in the elevating driving device 55g are a common shaft. Therefore, the cam 55g2 of the cam mechanism in the elevating drive device 55g is also rotationally driven as described above similarly to the cam 51f2 of the cam mechanism in the displacement drive device 51f. Moreover, the rotation shaft 51 f6 is also supported so as to be rotatable with respect to the support frame 59 .

升降桿55g1以使其板厚方向與織幅方向一致,並且在上述前後方向上延伸的方式配置,藉由包括球面軸承等的連結件55g4,在其一端部與支撐體55b連結。而且,升降桿55g1在比其長度方向上的中間部更靠另一端部側,被支撐為相對於支撐軸51f3可旋轉,如上所述在織機上設置為沿上下方向可擺動。 The lift rod 55g1 is arranged so as to extend in the front-rear direction so that its plate thickness direction coincides with the weaving width direction, and is connected to the support body 55b at one end thereof by a connection member 55g4 including a spherical bearing or the like. Further, the lift rod 55g1 is rotatably supported relative to the support shaft 51f3 on the other end side than the intermediate portion in the longitudinal direction, and is provided on the loom so as to be swingable in the vertical direction as described above.

又,凸輪55g2在織機上設置為,在被該旋轉軸51f6支撐的狀態下,如圖9(b)所示,在升降桿55g1之板厚方向觀察,其一部分與比升降桿55g1的被支撐軸51g3支撐的部分更靠另一端側之部分重疊。此外,該凸輪55g2與位移驅動裝置51f中的凸輪機構之凸輪51f2同樣,係槽凸輪(凸輪槽省略圖示)。又,在升降桿55g1上,在其另一端部安裝有被凸輪55g2之凸輪槽引導的凸輪從動件。 Furthermore, the cam 55g2 is provided on the loom so that, as shown in FIG. 9(b), in a state supported by the rotating shaft 51f6, a part of the cam 55g2 is larger than that of the lifter rod 55g1 when viewed in the plate thickness direction of the lifter rod 55g1. The part supported by the shaft 51g3 is further overlapped with the part on the other end side. In addition, this cam 55g2 is the same as the cam 51f2 of the cam mechanism in the displacement drive device 51f, and is a grooved cam (a cam groove is not shown in the figure). Moreover, the cam follower guided by the cam groove of the cam 55g2 is attached to the lift rod 55g1 at the other end part.

而且,升降桿55g1藉由其凸輪從動件被凸輪55g2之凸輪槽引導,來限制可自由擺動的狀態,形成位於與凸輪槽內之凸輪從動件之位置對應的擺 動位置的狀態。藉此,如上所述向上下方向可位移地設置的引導板55a,藉由支撐體55b藉由連結件55g4與升降桿55g1連結,成為關於上下方向支撐於與該升降桿55g1之擺動位置對應的位置的狀態。 Furthermore, the lift lever 55g1 is restricted from a freely swingable state by the cam follower of the cam follower being guided by the cam groove of the cam 55g2, and a swinging state corresponding to the position of the cam follower in the cam groove is formed. state of the moving position. As a result, the guide plate 55a provided so as to be displaceable in the vertical direction as described above is connected to the lift rod 55g1 via the support body 55b through the link 55g4, and is supported in the vertical direction corresponding to the swing position of the lift rod 55g1. status of the location.

根據這種升降驅動裝置55g之結構,伴隨凸輪55g2被旋轉驅動,該凸輪55g2每旋轉一圈,升降桿55g1在上下方向上進行一次往復擺動運動。作為其結果,引導板55a被升降驅動,使其在該前端緣55a1位於比引導構件53更靠上方的上方待機位置和前端緣55a1位於比保持裝置51的基體側之第一保持構件51a之第一保持部51a2更靠下方的引導位置這兩個位置之間位移。而且,引導板55a在進行扁平紗Y相對於保持裝置51之引導的動作時以外之待機時,被配置於上述上方待機位置,在其動作時朝向上述引導位置被位移驅動。 According to the structure of the elevating drive device 55g, the elevating rod 55g1 performs a reciprocating rocking motion in the up-down direction every time the cam 55g2 rotates once as the cam 55g2 is rotationally driven. As a result, the guide plate 55a is driven up and down so that the front end edge 55a1 is positioned higher than the guide member 53 at the upper standby position and the front end edge 55a1 is positioned higher than the first holding member 51a on the base side of the holding device 51. One holding part 51a2 is displaced between the two positions of the guide position further below. In addition, the guide plate 55a is disposed in the above-mentioned upper standby position during the standby time except when the operation of guiding the flat yarn Y with respect to the holding device 51 is performed, and is displaced and driven toward the above-mentioned guide position during the operation.

如上構成的投緯裝置1之作用、尤其是紗引導機構50之作用如下。 The function of the weft insertion device 1 configured as described above, particularly the function of the yarn guide mechanism 50, is as follows.

第5圖表示投緯結束的時點之狀態。從上述喂紗單元(喂紗體)供給的扁平紗Y藉由引導構件53向行進路徑P側轉向,朝向反喂紗側沿織幅方向引出。投緯裝置1在織幅方向上的紗引導機構50和筘R之間具備用以切斷被投緯的扁平紗Y之切斷裝置26。 Fig. 5 shows the state when the weft insertion is completed. The flat yarn Y supplied from the above-mentioned yarn supplying unit (yarn supplying body) is turned toward the traveling path P side by the guide member 53 and drawn out in the woven width direction toward the reverse yarn supplying side. The weft insertion device 1 includes a cutting device 26 for cutting the flat yarn Y to be wefted between the yarn guide mechanism 50 and the reed R in the weaving direction.

此外,圖示之切斷裝置26係將扁平紗Y夾著並切斷的形式之切斷裝置,具備包括固定刃26a1及可動刃26a2的切斷機構和包括固定夾持體26b1及可動夾持體26b2的夾持機構。而且,該切斷裝置26構成為可動刃26a2及可動夾持體26b2一體地在上下方向上位移,該可動刃26a2及可動夾持體26b2在切斷扁平紗Y的切斷動作時以外,被配置於相對於固定刃26a1及固定夾持體26b1向上方遠離的位置。 In addition, the cutting device 26 shown in the figure is a cutting device in the form of sandwiching and cutting the flat yarn Y, and includes a cutting mechanism including a fixed blade 26a1 and a movable blade 26a2, and a fixed clamping body 26b1 and a movable clamp. The clamping mechanism of the body 26b2. In addition, the cutting device 26 is configured such that the movable blade 26a2 and the movable clamping body 26b2 are integrally displaced in the vertical direction, and the movable blade 26a2 and the movable clamping body 26b2 are not affected by the cutting operation of cutting the flat yarn Y. It is arrange|positioned at the position away from the upper direction with respect to the fixed blade 26a1 and the fixed holding|maintenance body 26b1.

當投緯結束時,在從該結束後至開始下次投緯為止的規定的定時,在切斷裝置26中驅動可動刃26a2及可動夾持體26b2,並在該切斷裝置26之位置切斷扁平紗Y。藉此,將與上述喂紗單元相連的扁平紗Y與被投緯的扁平紗 Y切離。又,在該狀態下,上述喂紗單元側之扁平紗Y之前端部藉由固定夾持體26b1和可動夾持體26b2夾持並保持於該位置。 When the weft insertion is completed, the movable blade 26a2 and the movable clamping body 26b2 are driven in the cutting device 26 at a predetermined timing from the end to the start of the next weft insertion, and the cutting device 26 is cut at the position of the cutting device 26. Break flat yarn Y. Thereby, the flat yarn Y connected to the above-mentioned yarn feeding unit is connected to the flat yarn to be wefted. Y cut off. Also, in this state, the leading end portion of the flat yarn Y on the side of the yarn supplying unit is clamped and held at this position by the fixed clamping body 26b1 and the movable clamping body 26b2.

在該狀態下,如第6圖所示,流體壓缸57成為工作狀態,如上所述,保持裝置51中的保持部分51h成為開放的狀態(第一保持部51a2和第二保持部51b2遠離的狀態)。還有,在引導裝置55中,位於上述上升位置的引導板55a(支架55b)被位移驅動以使其朝向上述下降位置下降。藉此,位於與上述喂紗單元側相連的扁平紗Y之上方的引導板55a首先在該前端緣55a1與該扁平紗Y卡合。然而,切斷裝置26在這樣引導板55a與扁平紗Y卡合之前,成為將可動夾持體26b2朝向上方驅動,釋放了藉由固定夾持體26b1和可動夾持體26b2進行的扁平紗Y之夾持的狀態。 In this state, as shown in FIG. 6 , the hydraulic cylinder 57 is in the operating state, and as described above, the holding portion 51h of the holding device 51 is in an open state (the first holding portion 51a2 and the second holding portion 51b2 are separated from each other). state). In addition, in the guide device 55, the guide plate 55a (bracket 55b) located in the above-mentioned ascending position is driven to be displaced so as to descend toward the above-mentioned descending position. Thereby, the guide plate 55a positioned above the flat yarn Y connected to the yarn feeding unit side is first engaged with the flat yarn Y at the leading edge 55a1. However, before the guide plate 55a is engaged with the flat yarn Y in this way, the cutting device 26 drives the movable clamping body 26b2 upward, and releases the flat yarn Y by the fixed clamping body 26b1 and the movable clamping body 26b2. the clamped state.

藉由引導板55a從該卡合的時點進一步下降,引導板55a在其前端緣55a1梳整扁平紗Y之表面的同時將該扁平紗Y朝向下方引導。而且,藉由引導板55a到達上述引導位置,扁平紗Y如第6圖所示成為其前端部被***保持裝置51的開放的保持部分51h內(第一保持部51a2和第二保持部51b2之間)的狀態。而且,在該狀態下,引導板55a被朝向上述上方待機位置被位移驅動,並且,流體壓缸57成為不工作狀態。藉此,在保持裝置51中,可動側之第二保持構件51b轉動,以使第二保持部51b2藉由壓縮彈簧51d之彈力向基體側之第一保持構件51a(第一保持部51a2)側位移,扁平紗Y成為被第一保持部51a2和第二保持部51b2夾持保持的狀態。 When the guide plate 55a is further lowered from the engagement point, the guide plate 55a guides the flat yarn Y downward while combing the surface of the flat yarn Y at the leading edge 55a1 of the guide plate 55a. Then, when the guide plate 55a reaches the above-mentioned guide position, as shown in FIG. 6, the front end of the flat yarn Y is inserted into the open holding portion 51h of the holding device 51 (between the first holding portion 51a2 and the second holding portion 51b2). between) status. Then, in this state, the guide plate 55a is driven to be displaced toward the above-mentioned upper standby position, and the fluid pressure cylinder 57 is in an inoperative state. Thereby, in the holding device 51, the second holding member 51b on the movable side is rotated so that the second holding portion 51b2 is moved toward the first holding member 51a (first holding portion 51a2) side on the base side by the elastic force of the compression spring 51d. Displaced, the flat yarn Y is in a state of being sandwiched and held by the first holding portion 51a2 and the second holding portion 51b2.

而且,在該狀態下,該扁平紗Y藉由位於比行進路徑P更靠上方的引導構件53引導(轉向)而朝向其下方延伸,成為藉由設於比行進路徑P更靠下方的第一、第二保持構件51a、51b保持其前端側之部分的狀態。亦即,在紗引導機構50(保持裝置51)中,扁平紗Y在上述的投緯後的切斷裝置26進行的切斷後,與其前段側之部分連結的部分成為隔著行進路徑P沿上下方向被引導的狀 態。又,在該狀態下,保持裝置51上的第一、第二保持構件51a、51b及引導構件53關於上述前後方向,位於與投緯扁平紗Y的劍頭10之行進位置重疊的上述基準位置。 Then, in this state, the flat yarn Y is guided (steered) by the guide member 53 located above the travel path P to extend downward, and the flat yarn Y is extended downward by the guide member 53 located further below the travel path P. . The second holding members 51a and 51b hold the state of their front end side part. That is, in the yarn guide mechanism 50 (holding device 51 ), after the flat yarn Y is cut by the cutting device 26 after the above-mentioned weft insertion, the part connected to the part on the front stage side becomes the vertical direction along the travel path P. direction guided state. Also, in this state, the first and second holding members 51a, 51b and the guide member 53 on the holding device 51 are located at the above-mentioned reference position overlapping the travel position of the rapier 10 of the weft-inserting flat yarn Y with respect to the above-mentioned front-rear direction. .

此外,當將該被投緯的扁平紗Y藉由筘R打緯,藉由經紗T形成下一開口時,開始用以下一投緯之劍頭10之前進驅動。隨之,在紗引導機構50中,如上所述,位移驅動保持裝置51上的支撐機構51e,使位於上述基準位置的第一、第二保持構件51a、51b及引導構件53在上述前後方向(上述與幅寬方向平行的方向)上朝向上述退避位置位移。由此,如第10圖所示,第一、第二保持構件51a、51b及引導構件53成為在上述前後方向上位於從劍頭10之行進位置向織口側偏離的上述退避位置的狀態。又,此時,喂紗側之開鬆機31藉由上述的支撐桿33之驅動而成為位於上述不作用位置的狀態。 In addition, when the flat yarn Y to be wefted is beaten up by the reed R and the next opening is formed by the warp yarn T, the forward driving of the rapier 10 for the next weft insertion is started. Then, in the yarn guide mechanism 50, as described above, the support mechanism 51e on the holding device 51 is displaced and driven so that the first and second holding members 51a, 51b and the guide member 53 located at the above-mentioned reference positions are positioned in the above-mentioned front-rear direction ( The above-mentioned direction parallel to the width direction) is displaced toward the above-mentioned retracted position. Thereby, as shown in FIG. 10, the 1st, 2nd holding member 51a, 51b and the guide member 53 are in the state of being located in the said retracted position deviated from the advancing position of the rapier 10 to the cloth fell side in the said front-back direction. In addition, at this time, the opening machine 31 on the yarn supplying side is driven by the above-mentioned support rod 33 to be in the state of being located at the above-mentioned inactive position.

而且,當伴隨上述前進驅動而劍頭10到達上述最前進位置時,劍頭10成為俯視時位於第一、第二保持構件51a、51b及引導構件53(以及以橫跨引導構件53和第一、第二保持構件51a、51b之間的形式沿上下方向被引導的扁平紗Y)和開鬆機31之間的狀態。在該狀態下,如上所述,劍頭10上的操作桿17之第一卡合部17a(第一卡合面17a1)和開鬆機31在前後方向上對置,並且,在織幅方向上,劍頭10上的紗導入部11d之位置和保持裝置51上的保持部分51h之位置大致一致。 Then, when the rapier 10 reaches the above-mentioned most advanced position in accordance with the above-mentioned forward driving, the rapier 10 is positioned on the first and second holding members 51a, 51b and the guide member 53 (and so as to span the guide member 53 and the first) in plan view. , between the second holding members 51a, 51b between the flat yarn (Y) guided in the up-down direction and the opener 31. In this state, as described above, the first engaging portion 17a (first engaging surface 17a1 ) of the operating lever 17 on the rapier 10 and the opener 31 face each other in the front-rear direction, and also in the weaving width direction. On the other hand, the position of the yarn introducing portion 11d on the rapier 10 and the position of the holding portion 51h on the holding device 51 are substantially the same.

而且,首先,支撐桿33被擺動驅動,開鬆機31朝向上述作用位置位移,如第11圖之上圖所示開鬆機31成為與劍頭10上的操作桿17(第一卡合部17a之第一卡合面17a1)卡合的狀態。由此,在劍頭10中,進行上述開放操作,該把持機構如上所述成為開放的狀態。此外,在劍頭10(頭本體11)上作為空間部形成的紗導入部11d成為在如上所述將捕紗器13之把持部13b壓接於頭本體11之頭部11b的狀態(把持機構被關閉的狀態)下,相對於外部關閉的狀態。而 且,藉由將劍頭10上的把持機構如上所述成為開放的狀態(進行上述開放操作),紗導入部11d成為向外部開放的狀態。 Then, first, the support rod 33 is driven to swing, the opener 31 is displaced toward the above-mentioned action position, and as shown in the upper figure of FIG. The first engaging surface 17a1) of 17a is engaged. Thereby, in the rapier 10, the above-mentioned opening operation is performed, and the gripping mechanism is brought into an open state as described above. In addition, the yarn introduction portion 11d formed as a space portion in the rapier 10 (head body 11) is in a state in which the gripping portion 13b of the yarn catcher 13 is press-contacted to the head portion 11b of the head body 11 as described above (the gripping mechanism closed state), relative to the externally closed state. and Then, by opening the gripping mechanism on the rapier 10 as described above (performing the above-described opening operation), the yarn introducing portion 11d is brought into a state opened to the outside.

接著,在這樣開放了劍頭10上的把持機構(紗導入部11d)的狀態下,在紗引導機構50上的保持裝置51中,支撐機構51e被位移驅動,以使第一、第二保持構件51a、51b及引導構件53關於上述前後方向朝向上述基準位置位移。隨之,在紗引導機構50中如上所述沿上下方向被引導的扁平紗Y之部分位移至在上述前後方向上與劍頭10重疊的位置。藉此,扁平紗Y之該部分(準確來說,在該部分中之上下方向上位於與劍頭10相同的高度位置的部分)被導入如上所述被開放的狀態之劍頭10上的紗導入部11d。第11圖表示這樣將扁平紗Y導入紗導入部11d的狀態。 Next, in a state in which the holding mechanism (yarn introduction portion 11d) on the rapier 10 is opened in this way, in the holding device 51 on the yarn guiding mechanism 50, the supporting mechanism 51e is driven to be displaced so as to hold the first and second holding means 51e. The members 51a and 51b and the guide member 53 are displaced toward the reference position with respect to the front-rear direction. Accordingly, the portion of the flat yarn Y guided in the vertical direction in the yarn guiding mechanism 50 is displaced to the position overlapping the rapier 10 in the front-rear direction. Thereby, the portion of the flat yarn Y (to be precise, the portion of the portion located at the same height position as the rapier 10 in the up-down direction) is introduced into the yarn on the rapier 10 in the opened state as described above. The introduction part 11d. Fig. 11 shows a state in which the flat yarn Y is introduced into the yarn introducing portion 11d in this way.

而且,當這樣將扁平紗Y導入劍頭10上的紗導入部11d時,支撐桿33向上述的相反的方向被擺動驅動,開鬆機31朝向上述不作用位置位移,再次成為開鬆機31從劍頭10上的操作桿17(第一卡合部17a)遠離的狀態。藉此,在劍頭10中,捕紗器13之把持部13b再次成為壓接於頭本體11之頭部11b的狀態,成為在該把持機構藉由把持部13b和頭部11b把持扁平紗Y的狀態。 Then, when the flat yarn Y is introduced into the yarn introduction portion 11d of the rapier 10 in this way, the support rod 33 is driven to swing in the opposite direction as described above, the opener 31 is displaced toward the inactive position, and the opener 31 becomes the opener 31 again. A state away from the operating lever 17 (the first engaging portion 17a ) on the rapier 10 . As a result, in the rapier 10, the gripping portion 13b of the catcher 13 is in a state of being pressed against the head portion 11b of the head body 11 again, and the flat yarn Y is gripped by the gripping portion 13b and the head portion 11b in the gripping mechanism. status.

還有,在紗引導機構50中,流體壓缸57再此成為動作狀態,保持裝置51上的保持部分51h成為開放的狀態(第一保持部51a2和第二保持部51b2遠離的狀態)。藉此,被保持裝置51上的第一、第二保持構件51a、51b保持其前端部的扁平紗Y成為該保持被釋放的狀態。 In the yarn guiding mechanism 50, the hydraulic cylinder 57 is in an operating state again, and the holding portion 51h of the holding device 51 is in an open state (a state in which the first holding portion 51a2 and the second holding portion 51b2 are separated). Thereby, the flat yarn Y held at the front end of the first and second holding members 51a, 51b on the holding device 51 is in a state in which the holding is released.

而且,在這樣釋放了藉由保持裝置51的扁平紗Y之保持後,開始對劍頭10進行後退驅動,如上所述,在把持機構上保持扁平紗Y的狀態之劍頭10開始朝向上述待機位置後退。由此,扁平紗Y其前端部從保持裝置51上的保持部分51h內(第一保持部51a2和第二保持部51b2之間)被拉出,並且,與上述喂紗單元相連的部分隨著劍頭10之後退而向經紗T之開口內拉出進行投緯。此外,當 扁平紗Y之前端部從保持部分51h被拉出時,流體壓缸57成為不工作狀態,保持裝置51再次返回保持扁平紗Y(***扁平紗Y之前端部)之前的狀態,成為準備下一次投緯的狀態。 Then, after the holding of the flat yarn Y by the holding device 51 is released in this way, the backward drive of the rapier 10 is started, and as described above, the rapier 10 in the state of holding the flat yarn Y by the holding mechanism starts to face the above-mentioned standby. position back. As a result, the front end of the flat yarn Y is pulled out from the holding portion 51h of the holding device 51 (between the first holding portion 51a2 and the second holding portion 51b2), and the portion connected to the above-mentioned yarn feeding unit follows The rapier 10 is retracted and pulled out into the opening of the warp yarn T for weft insertion. Furthermore, when When the front end of the flat yarn Y is pulled out from the holding portion 51h, the hydraulic cylinder 57 is in a non-operating state, and the holding device 51 returns to the state before holding the flat yarn Y (inserting the front end of the flat yarn Y) again, and is ready for the next time The status of the weft.

又,當藉由後退驅動而劍頭10到達上述待機位置之附近時,在劍頭10中,操作桿17成為第二卡合部17b之第二卡合面17b1與反喂紗側之開鬆機41卡合且從把持機構開放的狀態。藉此,扁平紗Y成為在其前端部從被劍頭10把持的狀態釋放的狀態。之後,藉由劍頭10後退至上述待機位置,成為一次之投緯結束的狀態。 In addition, when the rapier 10 reaches the vicinity of the above-mentioned standby position by the backward driving, in the rapier 10, the operating lever 17 becomes the opening between the second engaging surface 17b1 of the second engaging portion 17b and the reverse yarn feeding side The machine 41 is engaged and released from the gripping mechanism. Thereby, the flat yarn Y is released from the state gripped by the rapier 10 at the front end of the flat yarn Y. After that, by retreating the rapier 10 to the above-mentioned standby position, it is in a state where one weft insertion is completed.

如以上說明,在本實施例之投緯裝置1的紗引導機構50中,該保持裝置51中的用以保持扁平紗Y之保持體52如上所述具有與織幅方向對置的第一、第二保持部51a2、51b2,並且配置於行進路徑P之下方。而且,該保持體52構成為,相對於作為該第一、第二保持部51a2、51b2之間的保持部分51h從上方接納扁平紗Y(前端部)並保持扁平紗Y之結構。根據這樣構成為能夠從上方接納扁平紗Y並進行保持的保持體52,在投緯結束並藉由切斷裝置進行切斷之後,可以使該喂紗側之扁平紗Y之前端部被保持部分51h接納。因此,根據該保持體52之結構,直至保持扁平紗Y為止,能夠形成將扁平紗Y和保持體52完全分離的狀態。藉此,根據這樣構成紗引導機構50的投緯裝置1,因為幾乎不會產生保持體52和扁平紗Y之滑動接觸,所以能夠盡可能地減少扁平紗Y伴隨扁平紗Y和構件之滑動接觸等之損傷。 As described above, in the yarn guiding mechanism 50 of the weft insertion device 1 of the present embodiment, the holding body 52 in the holding device 51 for holding the flat yarn Y has the first, The second holding parts 51a2 and 51b2 are arranged below the travel path P. As shown in FIG. The holder 52 is configured to receive the flat yarn Y (tip portion) from above with respect to the holding portion 51h between the first and second holding portions 51a2, 51b2 and hold the flat yarn Y. According to the holding body 52 configured to receive and hold the flat yarn Y from above, the leading end of the flat yarn Y on the feeding side can be held by the cutting device after the weft insertion is completed. 51h accepted. Therefore, according to the structure of the holding body 52, until the flat yarn Y is held, the flat yarn Y and the holding body 52 can be completely separated from each other. Accordingly, according to the weft insertion device 1 having the yarn guide mechanism 50 configured in this way, the sliding contact between the holding body 52 and the flat yarn Y hardly occurs, so that the sliding contact between the flat yarn Y and the member due to the flat yarn Y can be reduced as much as possible. etc. damage.

又,紗引導機構50構成為,具備如上所述構成的引導裝置55,在切斷後將扁平紗Y之前端部導入保持體52之保持部分51h時,該扁平紗Y之前端部藉由引導板55a導入保持部分51h(第一、第二保持部51a2、51b2之間)之結構。藉由該結構,可更可靠地進行扁平紗Y之前端部向用以藉由保持體52保持扁平紗Y之保持部分51h之導入。 In addition, the yarn guide mechanism 50 is configured to include the guide device 55 configured as described above, and when the leading end portion of the flat yarn Y is introduced into the holding portion 51h of the holding body 52 after cutting, the leading end portion of the flat yarn Y is guided by the guide plate. 55a is introduced into the structure of the holding portion 51h (between the first and second holding portions 51a2 and 51b2). With this structure, the leading end portion of the flat yarn Y can be introduced more reliably to the holding portion 51h for holding the flat yarn Y by the holding body 52 .

又,本實施例之紗引導機構50具備用以使如上所述構成的保持體52之保持部分51h處於開放的狀態(非保持狀態)之把持驅動裝置(流體壓缸57)。此外,在如上所述的保持裝置51的保持體52之結構中,保持部分51h中的第一保持部51a2和第二保持部51b2之壓接係藉由壓縮彈簧51d之彈力形成的彈性壓接,因此,即使不積極地開放保持部分51h,亦可將引導板55a壓入第一、第二保持部51a2、51b2之間,藉此,能夠將扁平紗Y之前端部導入保持部分51h。又,在投緯時,藉由劍頭10把持並牽引扁平紗Y,能夠從第一、第二保持部51a2、51b2處於壓接狀態的保持部分51h拉出扁平紗Y之前端部。然而,當這樣將扁平紗Y之前端部壓入關閉狀態之保持部分51h、或者從該保持部分51h拉出時,因為對扁平紗Y施加了負荷,所以根據扁平紗Y之種類,有時扁平紗Y可能被損傷。 In addition, the yarn guide mechanism 50 of the present embodiment includes a holding driving device (hydraulic cylinder 57) for keeping the holding portion 51h of the holding body 52 configured as described above in an open state (non-holding state). In addition, in the structure of the holding body 52 of the holding device 51 as described above, the pressure contact between the first holding portion 51a2 and the second holding portion 51b2 in the holding portion 51h is elastic pressure contact formed by the elastic force of the compression spring 51d Therefore, even if the holding portion 51h is not actively opened, the guide plate 55a can be pressed between the first and second holding portions 51a2 and 51b2, whereby the leading end of the flat yarn Y can be introduced into the holding portion 51h. In addition, the flat yarn Y is held and pulled by the rapier 10 at the time of weft insertion, so that the front end of the flat yarn Y can be pulled out from the holding portion 51h in which the first and second holding portions 51a2 and 51b2 are in a crimped state. However, when the front end portion of the flat yarn Y is pressed into the holding portion 51h in the closed state or pulled out from the holding portion 51h in this way, since a load is applied to the flat yarn Y, the flat yarn Y may become flat depending on the type of the flat yarn Y. Yarn Y may be damaged.

與之相對,如果如上所述將紗引導機構50構成為具備把持驅動裝置,且在進行扁平紗Y之前端部之導入時及投緯開始時,積極地開放保持體52的保持部分51h之結構,則能夠消除在扁平紗Y向保持部分51h之導入時或扁平紗Y從保持部分51h之拉出時對扁平紗Y作用負荷的情況。因此,藉由這種結構,該紗引導機構50可適應任何種類的扁平紗Y。 On the other hand, if the yarn guide mechanism 50 is provided with the gripping drive device as described above, the holding portion 51h of the holding body 52 is actively opened when the leading end portion of the flat yarn Y is introduced and the weft insertion is started. , the load on the flat yarn Y can be eliminated when the flat yarn Y is introduced into the holding portion 51h or when the flat yarn Y is pulled out from the holding portion 51h. Therefore, with this structure, the yarn guiding mechanism 50 can be adapted to any kind of flat yarn Y.

還有,本實施例之紗引導機構50構成為,保持裝置51包括位移驅動裝置,對應劍頭10之進退運動驅動保持體52使其在上述前後方向上位移。此外,即使是與這種本實施方式之結構不同的保持體52不被位移驅動的結構(例如,上述專利文獻1中公開的劍桿織機),亦可形成扁平紗Y被導入劍頭中的把持扁平紗Y的紗導入部的狀態。然而,在該結構中,扁平紗Y和劍頭髮生干擾、或者有可能發生干擾。而且,根據扁平紗Y之種類等,有時不希望這樣的干擾。 In addition, the yarn guide mechanism 50 of the present embodiment is configured such that the holding device 51 includes a displacement driving device, and drives the holding body 52 to displace in the front-rear direction in response to the forward and backward movement of the rapier 10 . In addition, even in a structure in which the holder 52 is not driven by displacement (for example, the rapier loom disclosed in the above-mentioned Patent Document 1), which is different from the structure of the present embodiment, the flat yarn Y can be introduced into the rapier. The state of the yarn introduction portion of the flat yarn Y is held. However, in this structure, the flat yarn Y and the rapier may interfere, or may interfere. Furthermore, depending on the type of the flat yarn Y, etc., such interference is sometimes undesirable.

與之相對,根據如上所述的本實施例之紗引導機構50之結構,在為了將扁平紗Y保持在劍頭10上而將扁平紗Y導入紗導入部11d之前,劍頭10和扁平紗Y沒有干擾,因此,該紗引導機構50可以適應任何形式之劍桿織機的織製。 以上,對本發明的投緯裝置說明了其一實施方式(下稱“上述實施例”。),但本發明不限於上述實施例,亦可以以如下的其他實施方式(變形例)實施。 On the other hand, according to the structure of the yarn guiding mechanism 50 of the present embodiment as described above, before the flat yarn Y is introduced into the yarn introducing portion 11d in order to hold the flat yarn Y on the rapier 10, the rapier 10 and the flat yarn Y does not interfere, therefore, the yarn guiding mechanism 50 can be adapted to weaving by any type of rapier loom. One embodiment of the weft insertion device of the present invention (hereinafter referred to as "the above-mentioned embodiment") has been described above, but the present invention is not limited to the above-mentioned embodiment, and may be implemented in the following other embodiments (modifications).

(1)關於紗引導機構,在上述實施例中,該紗引導機構50具備在行進路徑P之下方保持扁平紗Y的保持裝置51,並且,該保持裝置51的用以保持扁平紗Y之保持體52由如上所述的基體側之第一保持構件51a和可動側之第二保持構件51b構成。又,上述實施例之紗引導機構50具備用以將保持裝置51積極地切換為保持狀態和非保持狀態之作為把持驅動裝置之流體壓缸57。 (1) Regarding the yarn guide mechanism, in the above-described embodiment, the yarn guide mechanism 50 includes the holding device 51 for holding the flat yarn Y below the travel path P, and the holding device 51 holds the flat yarn Y. The body 52 is composed of the first holding member 51a on the base side and the second holding member 51b on the movable side as described above. In addition, the yarn guide mechanism 50 of the above-described embodiment includes a hydraulic cylinder 57 as a gripping drive device for actively switching the holding device 51 between the holding state and the non-holding state.

但是,即使在紗引導機構上的保持裝置(保持體52)如上述實施例構成的情況下,在本發明中,紗引導機構亦可不具備上述實施例的保持驅動裝置(流體壓缸)。亦即,在上述實施例之紗引導機構之結構中,該流體壓缸57可以省略。 However, even when the holding device (holding body 52) on the yarn guiding mechanism is configured as in the above-described embodiment, in the present invention, the yarn guiding mechanism may not include the retaining driving device (hydraulic cylinder) in the above-described embodiment. That is, in the structure of the yarn guiding mechanism of the above-mentioned embodiment, the fluid pressure cylinder 57 can be omitted.

詳細而言,如上所述,上述實施例之保持體52構成為,可動側之第二保持構件51b之第二保持部51b2藉由壓縮彈簧51d壓接於基體側之第一保持構件51a之第一保持部51a2。而且,保持驅動裝置係為了容易進行扁平紗Y向該第一、第二保持部51a2、51b2間(保持部分51h)的***而使第二保持部51b2(第二保持構件51b)位移以便第二保持部51b2從第一保持部51a2遠離的裝置。而且,扁平紗Y向該第一、第二保持部51a2、51b2之間的***藉由如上所述使引導裝置55之引導板55a向第一、第二保持部51a2、51b2之間下降位移而進行。 In detail, as described above, the holder 52 of the above-described embodiment is configured such that the second holder 51b2 of the second holder member 51b on the movable side is press-contacted to the first holder member 51a on the base side by the compression spring 51d. A holding portion 51a2. Furthermore, the holding drive device displaces the second holding portion 51b2 (second holding member 51b) so that the second holding portion 51b2 (second holding member 51b) can be easily inserted between the first and second holding portions 51a2 and 51b2 (holding portion 51h). A device in which the holding portion 51b2 is separated from the first holding portion 51a2. Then, the insertion of the flat yarn Y between the first and second holding parts 51a2 and 51b2 is achieved by lowering and displacing the guide plate 55a of the guide device 55 between the first and second holding parts 51a2 and 51b2 as described above. conduct.

然而,在這樣藉由引導板55a引導扁平紗Y的同時向第一、第二保持部51a2、51b2之間***扁平紗Y時,即使不使保持部分51h成為如上所述藉由保持驅動裝置積極地開放的狀態,藉由使引導板55a下降將引導板55a壓入如上所述成為相互壓接的狀態的第一、第二保持部51a2、51b2之間,也能夠藉由該按壓力使第二保持部51b2位移,因此,能夠***扁平紗Y。因此,在紗引導機構 中,用以保持裝置之保持驅動裝置(上述實施例中的流體壓缸57)可以省略。 However, when the flat yarn Y is inserted between the first and second holding parts 51a2 and 51b2 while the flat yarn Y is guided by the guide plate 55a in this way, even if the holding part 51h is not made active by the holding driving device as described above In the open state, by lowering the guide plate 55a and pressing the guide plate 55a between the first and second holding parts 51a2 and 51b2 in the state of mutual pressure contact as described above, the first and second holding parts 51a2 and 51b2 can be pressed by the pressing force. The two holding portions 51b2 are displaced, so that the flat yarn Y can be inserted. Therefore, in the yarn guide mechanism Among them, the holding driving device (the fluid pressure cylinder 57 in the above embodiment) for holding the device can be omitted.

(2)在紗引導機構的保持裝置中,上述實施例之保持裝置51,如上所述,係以該上述保持體52藉由第一、第二保持構件51a、51b保持扁平紗Y的方式構成的裝置。然而,本發明之紗引導機構的保持裝置不限於構成為保持體52這樣機械地保持扁平紗Y的裝置,例如,亦可係構成為保持體52藉由吸管的吸引氣流保持扁平紗Y的裝置。又,保持裝置亦可為其保持體52由組合一對板簧等彈性體而構成的裝置。此外,在這樣的情況下,也如上述(1)所述,在該投緯裝置(紗引導機構)中,省略上述之保持驅動裝置。 (2) In the holding device of the yarn guide mechanism, the holding device 51 of the above-mentioned embodiment is configured such that the above-mentioned holding body 52 holds the flat yarn Y by the first and second holding members 51a and 51b as described above. installation. However, the holding device of the yarn guiding mechanism of the present invention is not limited to a device configured to mechanically hold the flat yarn Y like the holding body 52 , for example, the holding body 52 may be configured to hold the flat yarn Y by the suction air flow of the suction pipe. . Moreover, the holding|maintenance apparatus may be formed by combining elastic bodies, such as a pair of leaf springs, as the holding|maintenance body 52. FIG. Also in such a case, as described in the above (1), in the weft insertion device (yarn guide mechanism), the above-mentioned holding driving device is omitted.

(3)關於紗引導機構,在上述實施例中,將保持裝置51上的保持體52(保持部分51h)設置成能夠沿上述前後方向進行位移,並且,用以使該保持體52位移之驅動機構包含於紗引導機構中。而且,紗保持機構構成為,在劍頭10到達上述最前進位置之前,使保持體52及支撐於保持裝置51的引導構件53沿上述前後方向位移,以在劍頭10朝向上述最前進位置的前進時劍頭10之前端側之部分和扁平紗Y不發生干擾,保持體52與上述保持結構協動而將扁平紗Y之一部分沿上下方向進行引導。亦即,上述實施例之投緯裝置係如下之結構:被紗引導機構沿上下方向引導的扁平紗Y之部分藉由紗引導機構上的保持體52及引導構件之位移在劍頭10到達上述最前進位置之前積極地沿上述前後方向位移。 (3) Regarding the yarn guiding mechanism, in the above-mentioned embodiment, the holding body 52 (holding portion 51h) on the holding device 51 is provided so as to be capable of displacement in the above-mentioned front-rear direction, and a drive for displacing the holding body 52 is provided. The mechanism is included in the yarn guide mechanism. Further, the yarn holding mechanism is configured to displace the holding body 52 and the guide member 53 supported by the holding device 51 in the front-rear direction before the rapier 10 reaches the above-mentioned most advanced position, so that when the rapier 10 reaches the above-mentioned most advanced position When advancing, the front end side of the rapier 10 does not interfere with the flat yarn Y, and the holding body 52 cooperates with the above-mentioned holding structure to guide a part of the flat yarn Y in the up-down direction. That is, the weft insertion device of the above-mentioned embodiment is structured as follows: the part of the flat yarn Y guided by the yarn guiding mechanism in the up-down direction reaches the above-mentioned rapier 10 by the displacement of the holder 52 and the guiding member on the yarn guiding mechanism. The most forward position is actively displaced in the aforementioned front-rear direction.

然而,在本發明的投緯裝置中,紗引導機構不限於構成為如上所述沿上下方向引導扁平紗Y的保持體52及引導構件沿上述前後方向位移,亦可將保持體52及引導構件固定地配置於上述前後方向上的規定之位置(上述基準位置)。然而,該情況下,扁平紗向劍頭之紗導入部的導入,例如,利用如圖13所示的劍頭,可藉由紗引導機構進行的上下方向上的扁平紗Y之引導和劍頭10之前進運動的協動進行。 However, in the weft insertion device of the present invention, the yarn guide mechanism is not limited to the holding body 52 and the guide member configured to guide the flat yarn Y in the vertical direction as described above to be displaced in the front-rear direction, and the holding body 52 and the guide member may be displaced It is fixedly arrange|positioned at the predetermined position (the said reference position) in the said front-back direction. However, in this case, the introduction of the flat yarn to the yarn introduction portion of the rapier, for example, using the rapier as shown in FIG. 10 Advance movement in coordination.

關於第13圖所示的例子,該劍頭10’與上述實施例中的劍頭10不同,以其最前端11g’關於上述寬度方向位於連結部11c’之範圍內、即其最前端11g’關於上述寬度方向位於比紗導入部11d’更靠連結部11c’側(紗導入部11d’之上述前後方向上的開口部的相反側)的方式形成頭部11b’。又,圖示省略,關於上述前後方向,紗引導機構上的保持體52及引導構件如上所述固定配置於上述基準位置。因此,扁平紗Y成為在該位置被沿向上下方向引導的狀態。此外,在第13圖中,Y’係扁平紗Y上的如上所述沿上下方向被引導的部分(以下也稱作“引導部分”。)之一部分,且係位於該引導部分的與劍頭10’相同的高度位置的一部分。 Regarding the example shown in FIG. 13, this rapier 10' is different from the rapier 10 in the above-described embodiment in that its foremost end 11g' is located within the range of the connecting portion 11c' with respect to the width direction, that is, its foremost end 11g' The head portion 11b' is formed so that the width direction is located on the side of the connecting portion 11c' (the side opposite to the opening in the front-rear direction of the yarn introducing portion 11d') than the yarn introducing portion 11d'. In addition, although illustration is abbreviate|omitted, regarding the said front-back direction, the holding|maintenance body 52 and the guide member on the yarn guide mechanism are fixedly arrange|positioned at the said reference position as mentioned above. Therefore, the flat yarn Y is in a state of being guided in the up-down direction at this position. In addition, in Fig. 13, Y' is a part of the flat yarn Y that is guided in the up-down direction as described above (hereinafter also referred to as a "guide part".), and is located at the rapier of the guide part. 10' part of the same height position.

而且,在第13圖所示的結構中,當藉由被前進驅動而劍頭10’到達上述最前進位置之附近時,如(a)所示,劍頭10’在從其頭部11b’上的最前端11g’朝向紗導入部11d’側傾斜的前端之傾斜面與扁平紗Y之一部分Y’卡合。該卡合之後,藉由劍頭10’進一步前進,如(b)所示,扁平紗Y(一部分Y’)以被劍頭10’之上述傾斜面引導的形式在織幅方向上相對於劍頭10’相對地向上述後端側位移的同時,向上述前後方向(與上述寬度方向平行的方向)的織口側位移。 Furthermore, in the structure shown in FIG. 13, when the rapier 10' reaches the vicinity of the above-mentioned most advanced position by being driven forward, as shown in (a), the rapier 10' is moved from the head 11b' of the rapier 10'. The inclined surface of the front end inclined toward the yarn introducing portion 11d' side of the uppermost front end 11g' is engaged with a portion Y' of the flat yarn Y. After this engagement, the rapier 10' is further advanced, and as shown in (b), the flat yarn Y (a part of Y') is guided by the above-mentioned inclined surface of the rapier 10' relative to the rapier in the weaving direction. The head 10 ′ is displaced to the cloth fell side in the front-rear direction (direction parallel to the width direction) while being relatively displaced to the rear end side.

此外,如上所述,紗引導機構上的保持體52及引導構件之上述前後方向上的位置被固定。因此,扁平紗Y上的引導部分藉由如上所述與劍頭10’卡合的一部分Y’位移,從正面觀察,在該卡合的一部分Y’成為彎曲的狀態。 In addition, as described above, the positions of the holding body 52 and the guide member on the yarn guide mechanism in the aforementioned front-rear direction are fixed. Therefore, the guide portion on the flat yarn Y is displaced by the part Y' engaged with the rapier 10' as described above, and the engaged part Y' is in a curved state when viewed from the front.

之後,當劍頭10’進一步前進時,扁平紗Y(一部分Y’)進一步如上所述進行位移,扁平紗Y(一部分Y’)越過劍頭10’上的頭部11b’之上述寬度方向上的連結部側的相反側之側緣。然而,(c)表示剛好在越過之前的狀態。而且,當一部分Y’這樣越過頭部11b’之上述側緣時,扁平紗Y之引導部分藉由本身之張力而如上所述從彎曲之狀態返回原來之狀態,藉此,一部分Y’向從上述前後方向上的織口遠離的方向位移。其結果,扁平紗Y(一部分Y’)成為被導入 劍頭10’上的紗導入部11d’的狀態。 After that, when the rapier 10' is further advanced, the flat yarn Y (a part of Y') is further displaced as described above, and the flat yarn Y (a part of Y') passes over the above-mentioned width direction of the head 11b' on the rapier 10' The side edge on the opposite side of the connecting portion side. However, (c) represents the state just before the crossing. Then, when a part of Y' goes over the above-mentioned side edge of the head part 11b' in this way, the guiding part of the flat yarn Y is returned to the original state from the bent state as described above by its own tension. The direction in which the cloth fell in the front-rear direction described above is displaced is displaced. As a result, the flat yarn Y (a part of Y') is introduced The state of the yarn introduction portion 11d' on the rapier 10'.

這樣,在第13圖所示的例子中,如下構成投緯裝置,亦即,藉由紗引導機構進行的上下方向上的扁平紗Y之引導和劍頭10’之結構及其前進運動的協動,在劍頭10’到達上述最前進位置的過程中使扁平紗Y沿上述前後方向位移,並且,在該位移後將扁平紗Y導入劍頭10’上的紗導入部11d’。 In this way, in the example shown in Fig. 13, the weft insertion device is constructed as follows, that is, the guidance of the flat yarn Y in the vertical direction by the yarn guide mechanism and the coordination of the structure of the rapier 10' and its advancing motion When the rapier 10' reaches the most advanced position, the flat yarn Y is displaced in the front-rear direction, and after the displacement, the flat yarn Y is introduced into the yarn introduction portion 11d' on the rapier 10'.

然而,在投緯裝置這樣構成的情況下,扁平紗Y之引導部分如上所述在被劍頭10’上的頭部11b’之上述傾斜面引導的過程中成為彎曲的狀態。而且,伴隨該彎曲,引導部分之張力上升。於是,在投緯裝置這樣構成的情況下,為了防止扁平紗Y上的引導部分之張力過渡上升,紗引導機構上的保持裝置優選以其保持體52藉由如上所述的吸引氣流保持扁平紗Y的方式構成。 However, when the weft insertion device is constructed in this way, the guide portion of the flat yarn Y is in a curved state in the process of being guided by the inclined surface of the head portion 11b' of the rapier 10' as described above. Then, with this bending, the tension of the guide portion increases. Therefore, when the weft insertion device is constructed in this way, in order to prevent the tension of the guide portion on the flat yarn Y from rising excessively, the holding device on the yarn guiding mechanism preferably holds the flat yarn with its holding body 52 by the suction air flow as described above. The way Y is formed.

又,根據本發明的投緯裝置不限於採用上述實施例或圖13所示例的形式之劍頭的結構,也可以係採用上述之專利文獻1中所公開的形式之劍頭的結構。此外,該情況下扁平紗向劍頭之紗導入部(緯紗把持部)之導入,與該專利文獻1中公開的相同。 In addition, the weft insertion device according to the present invention is not limited to the configuration using the rapier of the above-described embodiment or the form exemplified in FIG. In addition, in this case, the introduction of the flat yarn to the yarn introduction portion (weft holding portion) of the rapier is the same as that disclosed in Patent Document 1.

(4)關於用以使操作桿擺動之開鬆機,在上述實施例中,喂紗側之開鬆機31設置為相對於到達上述最前進位置的狀態之劍頭之操作桿接近和遠離,反喂紗側之開鬆機41固定設置在關於上述前後方向能夠與劍頭之操作桿卡合的位置。 (4) Regarding the opener for swinging the operating lever, in the above-mentioned embodiment, the opener 31 on the yarn feeding side is arranged to approach and separate from the operating lever of the rapier in the state of reaching the above-mentioned most advanced position, The opener 41 on the reverse yarn feeding side is fixedly installed at a position capable of engaging with the operating lever of the rapier with respect to the front-rear direction.

然而,在本發明的投緯裝置中,喂紗側之開鬆機亦可與上述實施例之反喂紗側之開鬆機相同,固定設置在關於上述前後方向能夠與劍頭之操作桿卡合的位置。此外,在劍頭如上述實施例那樣構成的情況下,操作桿相對於固定配置的開鬆機在其外側之側面且相對於劍頭之行進方向形成銳角的側面卡合。因此,在這樣的結構中,與開鬆機和劍頭上的操作部在與劍頭之行進方向正交的面上卡合的以往之結構相比,在該卡合時,作用於劍頭的與行進方向相 反之力較小。藉此,在該結構中,由於劍帶產生屈曲的可能性小(特別是在織機之轉速低等情況下,幾乎沒有該可能性),因此,即使喂紗側之開鬆機如上述那樣被固定配置,發生問題的可能性也低。 However, in the weft insertion device of the present invention, the opener on the yarn feeding side can also be the same as the opener on the opposite yarn feeding side in the above-mentioned embodiment, and is fixedly arranged in the front-rear direction so as to be able to engage with the operation lever of the rapier head. matching position. In addition, when the rapier is configured as in the above-mentioned embodiment, the operation lever is engaged with the side surface of the outer side of the fixed opener and the side surface which forms an acute angle with respect to the traveling direction of the rapier. Therefore, in such a structure, compared with the conventional structure in which the opener and the operation part on the rapier are engaged on the plane perpendicular to the advancing direction of the rapier, the force acting on the rapier at the time of this engagement is relative to the direction of travel On the contrary, the force is smaller. Therefore, in this structure, since the possibility of buckling of the rapier belt is small (especially when the rotation speed of the loom is low, there is almost no possibility of such a possibility), even if the opener on the yarn feeding side is Fixed configuration, the possibility of problems is also low.

又,在上述實施例中,反喂紗側之開鬆機如上所述固定配置,但該反喂紗側之開鬆機也與上述實施例之喂紗側之開鬆機相同,亦可設置為,在上述前後方向上,相對於劍頭之操作桿接近和遠離。而且,在藉由適當的驅動機構朝向上述待機位置後退的劍頭上的操作桿關於織寬方向到達開鬆機之存在範圍時,只要驅動開鬆機使其朝向劍頭(操作桿)位移即可。 Furthermore, in the above-mentioned embodiment, the opener on the reverse yarn feeding side is fixedly arranged as described above, but the opener on the reverse yarn feeding side is also the same as the opening machine on the yarn feeding side in the above-mentioned embodiment, and can also be installed In order to approach and move away from the operating rod with respect to the rapier head in the aforementioned front-back direction. Furthermore, when the operating lever on the rapier retracted toward the above-mentioned standby position by an appropriate drive mechanism reaches the range in which the opener exists with respect to the weaving width direction, it is sufficient to drive the opener to displace toward the rapier (operating lever). .

(5)在上述實施例中,投緯裝置係使劍頭進退運動的驅動構件採用帶材的所謂劍桿帶式之投緯裝置。然而,本發明亦可適用於上述驅動構件為棒材的劍桿棒式之投緯裝置。 (5) In the above-mentioned embodiment, the weft insertion device is a so-called rapier belt type weft insertion device in which the driving member for advancing and retreating the rapier adopts a tape. However, the present invention can also be applied to a rapier rod-type weft insertion device in which the above-mentioned driving member is a rod.

又,本發明不限於以上所說明的任何實施方式,在不脫離本發明的宗旨的情況下,可以進行各種變更。In addition, the present invention is not limited to any of the embodiments described above, and various modifications can be made without departing from the gist of the present invention.

1:投緯裝置 1: Weft insertion device

10:劍頭 10: Sword head

10’:劍頭 10': sword head

11:頭本體 11: head body

11a:基部 11a: base

11b:頭部 11b: Head

11b’:頭部 11b': head

11b1:(頭部之)端面 11b1: (of the head) end face

11c:連結部 11c: Links

11c’:連結部 11c': link

11d:紗導入部(空間部) 11d: Yarn introduction part (space part)

11d’:紗導入部 11d’: Yarn introduction part

11h:蓋構件 11h: Cover member

13:捕紗器 13: Yarn catcher

13a:引導部(***作構件之一部分) 13a: Guide (a part of the operated member)

13b:把持部(紗把持構件) 13b: Holding part (yarn holding member)

13b1:(把持部之)端面 13b1: (of the grip) end face

13c:承受部(***作構件之一部分) 13c: Receiving part (part of the operated member)

13d:卡合部分(***作構件之一部分) 13d: Engagement part (a part of the operated member)

15a:壓縮彈簧 15a: Compression spring

17:操作桿 17: Operation lever

17a:第一卡合部 17a: The first engaging part

17a’:(操作桿之)第一部分 17a': (operating lever) the first part

17a1:第一卡合面 17a1: The first engaging surface

17b:第二卡合部 17b: Second engaging part

17b1:第二卡合面 17b1: Second engaging surface

17c:支撐部 17c: Support part

17c’:支撐部 17c’: Support part

18a:紗把持構件 18a: Yarn holding member

18b:***作構件 18b: Operated components

21:劍帶 21: Sword Belt

25:喂紗機構 25: Yarn feeding mechanism

26:切斷裝置 26: Cut off device

29:帶導向件 29: with guide

31:喂紗側之開鬆機 31: Opening machine on the yarn feeding side

41:反喂紗側之開鬆機 41: Opening machine on the reverse feeding side

50:紗引導機構 50: Yarn guide mechanism

51:保持裝置 51: Holding device

51a:第一保持構件 51a: first holding member

51a2:第一保持部 51a2: First Keeping Section

51b:第二保持構件 51b: Second holding member

51b2:第二保持部 51b2: Second holding part

51d:壓縮彈簧 51d: Compression spring

51e:支撐機構 51e: Supporting mechanism

51e5:滑塊(引導機構) 51e5: Slider (guidance mechanism)

51e6:導軌(引導機構) 51e6: guide rail (guidance mechanism)

51h:保持部分 51h: Keep part

52:保持體 52: Keep Body

53:引導構件 53: Guide member

55:引導裝置 55: Guiding device

55a:引導板 55a: Guide plate

57:流體壓缸 57: Fluid pressure cylinder

R:筘 R: reed

T:經紗 T: Warp

Y:扁平紗(緯紗) Y: flat yarn (weft yarn)

Y’:(扁平紗之)一部分 Y': part of (flat yarn)

第1圖係表示根據本發明的投緯裝置之一實施方式的劍頭之局部剖面俯視圖 第2圖係表示根據本發明的投緯裝置之一實施方式的劍頭之立體圖。 第3圖係用以說明根據本發明的投緯裝置之一實施方式的劍頭之把持機構之喂紗側之開放操作的動作說明圖。 第4圖係用以說明根據本發明的投緯裝置之一實施方式的劍頭之把持機構之反喂紗側之開放操作的動作說明圖。 第5圖係表示包括根據本發明的投緯裝置之一實施方式的紗引導機構的喂紗機構的主視圖。 第6圖係表示包括根據本發明的投緯裝置之一實施方式的紗引導機構的喂紗機構的主視圖。 第7圖係表示根據本發明的投緯裝置之一實施方式的紗引導機構之保持裝置的主視圖。 第8圖係表示根據本發明的投緯裝置之一實施方式的紗引導機構之位移驅動裝置的主視圖及側視圖。 第9圖係表示根據本發明的投緯裝置之一實施方式的紗引導機構之引導板驅動裝置的主視圖及側視圖。 第10圖係用以說明包括根據本發明的投緯裝置之一實施方式的紗引導機構的喂紗機構之動作的動作說明圖。 第11圖係用以說明包括根據本發明的投緯裝置之一實施方式的紗引導機構的喂紗機構之動作的動作說明圖。 第12圖係概略性表示應用根據本發明的投緯裝置的劍桿織機之投緯裝置周邊部分的俯視圖。 第13圖係表示根據本發明的投緯裝置之其他實施方式的劍頭的俯視圖。Fig. 1 is a partial cross-sectional plan view showing a rapier of an embodiment of a weft insertion device according to the present invention. Fig. 2 is a perspective view of a rapier of an embodiment of the weft insertion device according to the present invention. Fig. 3 is an operation explanatory diagram for explaining the opening operation of the yarn feeding side of the gripping mechanism of the rapier according to one embodiment of the weft insertion device of the present invention. Fig. 4 is an operation explanatory diagram for explaining the opening operation of the back-feeding side of the gripping mechanism of the rapier according to one embodiment of the weft insertion device of the present invention. Fig. 5 is a front view showing a yarn feeding mechanism including a yarn guiding mechanism according to an embodiment of the weft insertion device of the present invention. Fig. 6 is a front view showing a yarn feeding mechanism including a yarn guiding mechanism according to one embodiment of the weft insertion device of the present invention. Fig. 7 is a front view showing the holding device of the yarn guide mechanism according to one embodiment of the weft insertion device of the present invention. Fig. 8 is a front view and a side view showing the displacement driving device of the yarn guiding mechanism according to one embodiment of the weft insertion device of the present invention. Fig. 9 is a front view and a side view showing a guide plate driving device of a yarn guide mechanism according to an embodiment of the weft insertion device of the present invention. Fig. 10 is an operation explanatory diagram for explaining the operation of the yarn feeding mechanism including the yarn guiding mechanism according to one embodiment of the weft insertion device of the present invention. Fig. 11 is an operation explanatory diagram for explaining the operation of the yarn feeding mechanism including the yarn guiding mechanism according to one embodiment of the weft insertion device of the present invention. Fig. 12 is a plan view schematically showing a peripheral portion of a weft insertion device of a rapier loom to which the weft insertion device according to the present invention is applied. Fig. 13 is a plan view showing a rapier of another embodiment of the weft insertion device according to the present invention.

26:切斷裝置 26: Cut off device

26a1:固定刃 26a1: Fixed blade

26a2:可動刃 26a2: Movable blade

26b1:固定夾持體 26b1: Fixed holder

26b2:可動夾持體 26b2: Movable clamping body

50:紗引導機構 50: Yarn guide mechanism

51a:第一保持構件 51a: first holding member

51a1:基體部 51a1: basal body

51a2:第一保持部 51a2: First Keeping Section

51a3:安裝部 51a3: Installation Department

51b:第二保持構件 51b: Second holding member

51b1:基體部 51b1: basal body

51b2:第二保持部 51b2: Second holding part

51c:樞軸 51c: Pivot

51d:壓縮彈簧 51d: Compression spring

51e:支撐機構 51e: Supporting mechanism

51e1:支撐板 51e1: Support plate

53:引導構件 53: Guide member

53a:安裝板 53a: Mounting plate

53b:支撐臂 53b: Support arm

55:引導裝置 55: Guiding device

55a:引導板 55a: Guide plate

55b:支撐體 55b: Support body

55a1:前端緣 55a1: Front edge

57:流體壓缸 57: Fluid pressure cylinder

57a:活塞桿 57a: Piston rod

57b:按壓體 57b: Press body

P:行進路徑 P: travel path

R:筘 R: reed

Y:扁平紗(緯紗) Y: flat yarn (weft yarn)

Claims (3)

一種劍桿織機的投緯裝置,該劍桿織機使用帶狀之扁平紗作為緯紗進行織製,該投緯裝置係為待機位置設定於反喂紗側的劍頭朝向喂紗側前進、並且一邊使在喂紗側把持的上述扁平紗後退一邊進行投緯的單側劍桿形式,並且包括紗引導機構,該紗引導機構以關於上下方向隔著上述劍頭之行進路徑引導被上述劍頭把持之前之上述扁平紗的方式在喂紗側保持上述扁平紗,其特徵在於,上述紗引導機構具備:保持裝置,其包括從上方接納並保持上述扁平紗之前端部的保持體,上述保持體在關於織幅方向上到達最前進位置的上述劍頭的把持部之位置且關於上下方向設於上述行進路徑之下方;引導裝置,其設於上述保持裝置之上方,且將上述扁平紗之前端部導入上述保持裝置;引導構件,其在比上述行進路徑更靠上方引導上述扁平紗,且關於上下方向其配置被固定,上述引導裝置包括:引導板,其形成為薄板形狀,且以板面與織幅方向正交的方式設置在上述保持裝置的上述保持體之正上方;引導板驅動裝置,其使該引導板在設定於比上述行進路徑更靠上方的上方待機位置及上述引導板之前端到達上述保持體的引導位置這兩個位置之間位移。 A weft-inserting device of a rapier loom, the rapier loom uses a ribbon-shaped flat yarn as a weft for weaving, and the weft-inserting device is a rapier whose standby position is set on the reverse yarn feeding side to advance toward the yarn feeding side, and one side The one-sided rapier form that performs weft insertion while retreating the above-mentioned flat yarn held on the yarn feeding side, and includes a yarn guide mechanism that is held by the above-mentioned rapier with respect to the up-and-down direction across the travel path of the above-mentioned rapier In the above-mentioned flat yarn method, the flat yarn is held on the yarn feeding side, wherein the yarn guide mechanism includes a holding device that includes a holding body for receiving and holding the leading end of the flat yarn from above, and the holding body is located on the side of the flat yarn. The position of the grip portion of the rapier reaching the most advanced position in the web direction is provided below the travel path with respect to the vertical direction; a guide device is provided above the holding device, and the front end portion of the flat yarn is The above-mentioned holding device is introduced; a guide member that guides the above-mentioned flat yarn above the travel path, and whose arrangement is fixed in the vertical direction, includes: a guide plate formed in a thin plate shape and having a plate surface with The weaving direction is set right above the holding body of the holding device so that the weaving direction is perpendicular; a guide plate driving device for causing the guide plate to be set at an upper standby position above the travel path and at the front end of the guide plate The guide position to the above-mentioned holding body is displaced between these two positions. 如申請專利範圍第1項之劍桿織機的投緯裝置,其中,上述保持體係藉由一對保持部把持上述扁平紗的形式,並由第一保持構件和第二保持構件構成,該第一保持構件包括一對上述保持部中之第一保持部並且在織幅方向上的配置被固定,該第二保持構件係包括一對上述保持部中之第二保持部並且以上述第二保持部相對於上述第一保持部接近和遠離的方式設置,上述保持裝置包括把持驅動裝置,該把持驅動裝置以變更上述第二保持部相對於上述第一保持部之位置的方式驅動上述第二保持構件。 The weft insertion device for a rapier loom according to claim 1, wherein the holding system is in the form of holding the flat yarn by a pair of holding parts, and is composed of a first holding member and a second holding member, the first holding member The holding member includes a first holding portion of a pair of the holding portions, and the arrangement in the web direction is fixed, and the second holding member includes a second holding portion of the pair of holding portions and has the second holding portion. The above-mentioned holding device includes a gripping drive device that drives the second holding member in such a manner as to change the position of the second holding portion relative to the first holding portion. . 如申請專利範圍第1或第2項之劍桿織機的投緯裝置,其中,上述保持裝置包括位移驅動裝置,該位移驅動裝置設置為使上述保持體能夠在水平方向且與織幅方向正交的方向位移,並且,對應上述劍頭朝向上述最前進位置的前進使上述保持體位移。 According to the weft insertion device of the rapier loom according to claim 1 or 2, the holding device includes a displacement driving device, and the displacement driving device is arranged so that the holding body can be horizontally and perpendicular to the weaving width direction. and the holding body is displaced in response to the advance of the rapier toward the most advanced position.
TW107139277A 2017-11-10 2018-11-06 Weft insertion device of rapier loom TWI765116B (en)

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JP2017-217223 2017-11-10
JP2017217223A JP6933956B2 (en) 2017-11-10 2017-11-10 Weaving device in rapier looms

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756027A1 (en) * 1995-03-08 1997-01-29 Toray Industries, Inc. Reinforced woven material and method and apparatus for manufacturing the same
JP2009263799A (en) * 2008-04-22 2009-11-12 Sakai Composite Kk Method for producing flat yarn woven fabric and apparatus for producing the same
JP2012046835A (en) * 2010-08-25 2012-03-08 Toyosu Machinery Corp Weft insertion device in rapier loom
JP2013014858A (en) * 2011-07-05 2013-01-24 Toyosu Machinery Corp Method of weaving carbon fiber flat yarn fabric

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934474B1 (en) * 1979-08-25 1980-10-16 Dornier Gmbh Lindauer Device for the inevitable actuation of the clamping device of weft insertion elements in contactless weaving machines
JP3094835B2 (en) * 1994-03-08 2000-10-03 東レ株式会社 REINFORCED FABRIC, ITS MANUFACTURING METHOD AND MANUFACTURING APPARATUS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756027A1 (en) * 1995-03-08 1997-01-29 Toray Industries, Inc. Reinforced woven material and method and apparatus for manufacturing the same
JP2009263799A (en) * 2008-04-22 2009-11-12 Sakai Composite Kk Method for producing flat yarn woven fabric and apparatus for producing the same
JP2012046835A (en) * 2010-08-25 2012-03-08 Toyosu Machinery Corp Weft insertion device in rapier loom
JP2013014858A (en) * 2011-07-05 2013-01-24 Toyosu Machinery Corp Method of weaving carbon fiber flat yarn fabric

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JP6933956B2 (en) 2021-09-08
EP3483317B1 (en) 2020-09-23

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