TWI611995B

TWI611995B - Handling chain

Info

Publication number: TWI611995B
Application number: TW105118698A
Authority: TW
Inventors: Tomoyuki Koyama
Original assignee: Tsubakimoto Chain Co
Priority date: 2015-07-29
Filing date: 2016-06-15
Publication date: 2018-01-21
Also published as: JP2017030063A; TW201704124A; WO2017018046A1; CN107735216B; CN107735216A; KR20180034309A; JP6631070B2

Abstract

一種在呈環狀配置的情況下可減小直徑的搬運鏈。搬運鏈1包括：內板3及外板2，經由銷10而交替地連結；以及保持部7，設置於所述銷10，且具有保持工具或工具筒的凹部7d。所述搬運鏈1中，所述凹部7d是朝所述銷10的軸向凹陷。工具或工具筒相對於凹部7d而沿銷10的軸向插拔。A conveying chain capable of reducing the diameter in the case of an annular configuration. The conveying chain 1 includes an inner plate 3 and an outer plate 2 that are alternately connected via pins 10, and a holding portion 7 that is provided on the pin 10 and has a recessed portion 7 d that holds a tool or a tool barrel. In the transport chain 1, the recessed portion 7 d is recessed in the axial direction of the pin 10. A tool or a tool cartridge is inserted into and pulled out of the pin 10 with respect to the recess 7d.

Description

搬運鏈Handling chain

本發明是有關於一種對工具或工具筒（tool pot）進行搬運的搬運鏈（conveyance chain）。The present invention relates to a conveyance chain for carrying a tool or a tool pot.

工具機（machine tool）為了選擇安裝於主軸的工具，而具備對於工具進行搬運的搬運鏈。搬運鏈包括：內板（plate）及外板，經由銷（pin）而交替地連結；以及保持部，連結於所述銷，且對於工具筒進行保持（例如參照專利文獻1）。In order to select a tool to be mounted on a spindle, a machine tool includes a transport chain for transporting the tool. The transport chain includes an inner plate and an outer plate that are alternately connected via pins, and a holding portion that is connected to the pin and holds the tool holder (for example, refer to Patent Document 1).

保持部具備：與銷成直角的兩片板部。兩片板部是從銷的兩端部朝銷的徑向分別突出，並彼此相向。在板部設有朝銷的徑向凹陷的凹部。工具筒的各端部被***凹部，工具筒由保持部予以保持。The holding portion includes two plate portions at a right angle to the pin. The two plate portions protrude from both ends of the pin toward the radial direction of the pin and face each other. The plate portion is provided with a recessed portion that is recessed toward the radial direction of the pin. Each end of the tool cartridge is inserted into the recess, and the tool cartridge is held by the holding part.

[現有技術文獻] [專利文獻] [專利文獻1] 日本專利特開2001-71227號公報[Prior Art Document] [Patent Document] [Patent Document 1] Japanese Patent Laid-Open No. 2001-71227

搬運鏈是經由傳動構件例如鏈輪（sprocket）而呈環狀地配置並旋轉。保持部是從搬運鏈朝徑向外方突出。因此，搬運鏈的直徑容易變大。The conveyance chain is circularly arranged and rotated via a transmission member such as a sprocket. The holding portion projects radially outward from the conveying chain. Therefore, the diameter of the conveyance chain tends to be large.

本發明是有鑒於所述情況而完成，其目的在於：提供一種在呈環狀配置的情況下，可減小直徑的搬運鏈。The present invention has been made in view of the circumstances described above, and an object thereof is to provide a conveying chain capable of reducing the diameter when arranged in a ring shape.

本發明的搬運鏈包括：內板及外板，經由銷而交替地連結；以及保持部，設置於所述銷，且具有：對於工具或工具筒進行保持的凹部。所述搬運鏈中，所述凹部是朝所述銷的軸向凹陷。The conveying chain of the present invention includes an inner plate and an outer plate that are alternately connected via pins, and a holding portion provided on the pin and having a recessed portion for holding a tool or a tool barrel. In the conveying chain, the recessed portion is recessed in an axial direction of the pin.

本發明中，工具或工具筒相對於凹部而沿銷的軸向插拔，從而抑制工具或工具筒從呈環狀配置的搬運鏈朝徑向外方突出。In the present invention, the tool or the tool barrel is inserted and pulled out in the axial direction of the pin with respect to the recess, so that the tool or the tool barrel is prevented from protruding radially outward from the conveying chain arranged in a ring shape.

本發明的搬運鏈中，能夠繞著所述銷的軸旋轉的所述保持部是從所述銷的端部朝所述軸向突出，所述凹部的開口位於所述保持部的突出端部。In the conveying chain of the present invention, the holding portion capable of rotating about the axis of the pin protrudes from an end portion of the pin toward the axial direction, and an opening of the recessed portion is located at a protruding end portion of the holding portion. .

本發明中，工具或工具筒可轉動地連結於銷的端部並從銷突出，因此搬運鏈能以銷為支點而朝兩方向轉動。與僅朝單方向轉動的搬運鏈相比，可容易地變更搬運鏈的配置。In the present invention, a tool or a tool cartridge is rotatably connected to the end of the pin and protrudes from the pin, so the conveying chain can be rotated in both directions with the pin as a fulcrum. The arrangement of the conveying chain can be easily changed compared to a conveying chain that only rotates in one direction.

本發明的搬運鏈中，所述保持部是由單一零件所構成。In the conveying chain of the present invention, the holding portion is composed of a single component.

本發明中，保持部是由單一零件所構成，而且設置於銷的端部，因此銷的軸向上的保持部的尺寸精度不會影響到內板、外板及銷的裝配精度。可提高銷的軸向上的製品整體（搬運鏈）的精度。In the present invention, the holding portion is composed of a single part and is provided at the end of the pin, so the dimensional accuracy of the holding portion in the axial direction of the pin does not affect the assembly accuracy of the inner plate, the outer plate, and the pin. The accuracy of the entire product (conveying chain) in the axial direction of the pin can be improved.

本發明的搬運鏈中，所述保持部具備：相向的兩個U狀板部，在所述兩個U狀板部之間設有加強銷。 In the conveying chain of the present invention, the holding portion includes two U-shaped plate portions facing each other, and a reinforcing pin is provided between the two U-shaped plate portions.

本發明中，藉由加強銷來加強保持部。 In the present invention, the holding portion is reinforced by a reinforcing pin.

本發明的搬運鏈更包括：夾持構件，配置於所述保持部的相鄰處，夾持所述工具或工具筒；以及支持板，以一表面支持所述夾持構件，且相對於所述銷的軸心成直角。 The conveying chain of the present invention further includes: a clamping member disposed adjacent to the holding portion to clamp the tool or a tool barrel; and a support plate to support the clamping member with one surface and be opposite to The axis of the pin is at right angles.

本發明中，支持夾持構件的支持板與銷的軸心成直角，因此可抑制銷的軸向上的夾持構件的位置偏離。因此，可防止夾持構件的位置偏離原本的位置而導致的不平衡負載作用於夾持構件，從而延長夾持構件的耐久時間。 In the present invention, since the support plate supporting the clamping member is at a right angle to the axis of the pin, the position deviation of the clamping member in the axial direction of the pin can be suppressed. Therefore, it is possible to prevent an unbalanced load caused by the position of the clamping member from being deviated from the original position, and to extend the durability time of the clamping member.

本發明的搬運鏈中，工具或工具筒相對於凹部而沿銷的軸向插拔，因此可抑制工具或工具筒從呈環狀配置的搬運鏈朝徑向外方突出。因此可抑制搬運鏈的直徑變大。 In the conveying chain of the present invention, since the tool or the tool barrel is inserted and removed in the axial direction of the pin with respect to the recessed portion, it is possible to prevent the tool or the tool barrel from protruding radially outward from the conveying chain arranged in a ring. Therefore, an increase in the diameter of the conveyance chain can be suppressed.

以下，基於表示實施形態的搬運鏈的圖式，來說明本發明。圖1是概略表示搬運鏈的右側面圖，圖2是概略表示將圖1所示的II-II線作為切斷線的搬運鏈的局部正面剖面圖，圖3是概略表示搬運鏈的底面圖。另外，圖2中，部分省略了盤簧的記載。Hereinafter, the present invention will be described based on a drawing showing a conveyance chain according to an embodiment. FIG. 1 is a right side view schematically showing the conveying chain, FIG. 2 is a partial front cross-sectional view schematically showing the conveying chain with the II-II line shown in FIG. 1 as a cutting line, and FIG. 3 is a bottom view schematically showing the conveying chain . Note that the description of the coil spring is partially omitted in FIG. 2.

搬運鏈1具備：呈橢圓形的板狀的多個外板2及內板3。兩個外板2、2相向。外板2是沿著外板2的長邊方向並排設置。在外板2的兩端部分別設有貫穿孔2a。The transport chain 1 includes a plurality of outer plates 2 and inner plates 3 having an oval plate shape. The two outer plates 2, 2 face each other. The outer plates 2 are arranged side by side along the longitudinal direction of the outer plates 2. Through-holes 2a are provided at both end portions of the outer plate 2.

在相向的兩個外板2、2之間配置有兩個內板3、3，且彼此相向。內板3是沿著內板3的長邊方向而並排設置。內板3的兩端部與相鄰的兩個外板2、2分別相向。在內板3的兩端部分別設有貫穿孔3a。內板3及外板2的貫穿孔2a、3a是呈同軸地配置。Two inner plates 3 and 3 are arranged between the two outer plates 2 and 2 facing each other and face each other. The inner plates 3 are arranged side by side along the longitudinal direction of the inner plates 3. Both ends of the inner plate 3 face two adjacent outer plates 2 and 2 respectively. Through-holes 3a are provided at both ends of the inner plate 3, respectively. The through holes 2a and 3a of the inner plate 3 and the outer plate 2 are arranged coaxially.

在相向的兩個內板3、3的貫穿孔3a中，嵌合有筒形的襯套（bush）4。襯套4連結兩個內板3、3。在兩個內板3、3之間，在襯套4的外側同軸地設有能夠繞著軸旋轉的輥（roller）5。A cylindrical bush 4 is fitted into the through holes 3 a of the two inner plates 3 and 3 facing each other. The bushing 4 connects the two inner plates 3 and 3. Between the two inner plates 3 and 3, a roller 5 is provided coaxially on the outside of the bushing 4 so as to be rotatable about an axis.

本實施例中，具備所述的兩個外板2、2、兩個內板3、3、襯套4及輥5的一單元，沿著襯套4的軸向而並排設置有兩個。兩個單元藉由銷10而連結。銷10被***各單元的襯套4及貫穿孔2a、3a內。內板3及襯套4相對於銷10及外板2而能夠繞著銷10的軸旋轉。搬運鏈1是經由傳動構件例如鏈輪而呈環狀地配置。In this embodiment, a unit including the two outer plates 2 and 2, the two inner plates 3 and 3, the bushing 4, and the roller 5 is provided side by side along the axial direction of the bushing 4. The two units are connected by a pin 10. The pin 10 is inserted into the bushing 4 and the through holes 2a and 3a of each unit. The inner plate 3 and the bushing 4 are rotatable about the axis of the pin 10 with respect to the pin 10 and the outer plate 2. The conveyance chain 1 is arrange | positioned annularly via a transmission member, such as a sprocket.

在銷10的一端部，設有對於工具筒進行保持的保持部7。工具筒呈筒狀，對工具進行收容。另外，保持部7亦可不經由工具筒，而直接對於工具進行保持。在位於最外側的外板2上，設有：支持後述的盤簧6（夾持構件）的支持板8。A holding portion 7 is provided at one end of the pin 10 to hold the tool barrel. The tool barrel is cylindrical and contains tools. In addition, the holding portion 7 may directly hold the tool without going through the tool cartridge. The outer plate 2 located at the outermost side is provided with a support plate 8 that supports a coil spring 6 (clamping member) described later.

圖4是概略表示支持板8的立體圖。支持板8呈矩形狀，從外板2的長邊緣部的中央部分延伸。支持板8及外板2是齊平地一體成形。支持板8相對於銷10而成直角地突出。在支持板8上，設有四個螺絲孔8a、8a、8a、8a。螺絲孔8a沿銷10的軸向貫穿。FIG. 4 is a perspective view schematically showing the support plate 8. The support plate 8 has a rectangular shape and extends from a central portion of a long edge portion of the outer plate 2. The support plate 8 and the outer plate 2 are integrally formed flush. The support plate 8 projects at a right angle to the pin 10. The support plate 8 is provided with four screw holes 8a, 8a, 8a, 8a. The screw hole 8 a penetrates in the axial direction of the pin 10.

保持部7具備：兩個U狀板部7a、7a；以及連結該U狀板部7a、7a的連結板部7b。如圖2所示，U狀板部7a的一緣部的中央部分具有凹陷的U狀的凹部7d。在U狀板部7a的兩個前端部內側，分別形成有用於使工具筒容易***的錐部（taper）7e。The holding portion 7 includes two U-shaped plate portions 7 a and 7 a and a connecting plate portion 7 b connecting the U-shaped plate portions 7 a and 7 a. As shown in FIG. 2, the central portion of one edge portion of the U-shaped plate portion 7 a has a concave U-shaped recessed portion 7 d. Tapered portions 7e are formed inside the two front end portions of the U-shaped plate portion 7a for easy insertion of the tool barrel.

如圖1及圖2所示，兩個U狀板部7a呈大致相同的形狀，且以呈鏡像對稱的方式而相向。連結板部7b呈沿著凹部7d底側的U狀板部7a的緣部分而延伸的矩形狀。在凹部7d的底側，兩個U狀板部7a藉由連結板部7b而連結。如圖1所示，在側視時，保持部7呈U狀。As shown in FIGS. 1 and 2, the two U-shaped plate portions 7 a have substantially the same shape and face each other in a mirror-symmetrical manner. The connection plate portion 7b has a rectangular shape extending along an edge portion of the U-shaped plate portion 7a on the bottom side of the recessed portion 7d. On the bottom side of the recessed portion 7d, two U-shaped plate portions 7a are connected by a connecting plate portion 7b. As shown in FIG. 1, the holding portion 7 is U-shaped when viewed from the side.

在連結板部7b的兩端部，分別設有兩個貫穿孔7f、7f。所述兩個貫穿孔7f、7f的位置、與和支持板8為一體的外板2的兩個貫穿孔2a、2a的位置相對應。連結板部7b與外板2以連結板部7b及外板2的各貫穿孔7f、2a同軸地配置的方式而相向。在連結板部7b及外板2的各貫穿孔7f、2a內***有銷10，從而保持部7與外板2相連結。Two through-holes 7f and 7f are provided at both ends of the connection plate portion 7b. The positions of the two through holes 7f and 7f correspond to the positions of the two through holes 2a and 2a of the outer plate 2 integrated with the support plate 8. The connecting plate portion 7b and the outer plate 2 face each other so that the through-holes 7f and 2a of the connecting plate portion 7b and the outer plate 2 are coaxially arranged. A pin 10 is inserted into each of the through-holes 7f and 2a of the connection plate portion 7b and the outer plate 2, and the holding portion 7 is connected to the outer plate 2.

另外，在銷10的兩端部，設有止脫部、或者銷10的兩端部被斂縫，從而銷10不會從外板2及內板3脫離。Moreover, the both ends of the pin 10 are provided with a detachment prevention part, or both ends of the pin 10 are caulked so that the pin 10 does not come off from the outer plate 2 and the inner plate 3.

在兩個U狀板部7a、7a的相向間，在U狀板部7a的前端部分設有加強銷7c。在所述前端部分設有貫穿孔，加強銷7c被嵌入所述貫穿孔內。藉由加強銷7c，保持部7的強度提高。Between the two U-shaped plate portions 7a and 7a facing each other, a reinforcing pin 7c is provided at a front end portion of the U-shaped plate portion 7a. A through hole is provided in the front end portion, and a reinforcing pin 7c is fitted into the through hole. The strength of the holding portion 7 is enhanced by the reinforcing pin 7c.

在所述支持板8上，支持有盤簧6。盤簧6呈U狀，具備：相向的兩個側面部6a、6a；以及連結該側面部6a、6a的底面部6b。側面部6a的前端部分彎曲，在所述前端部分，形成有朝向相向的另一側面部6a突出的凸部6c。以側面部6a的前端部分朝與U狀板部7a的前端部分相同的方向突出，且在與所述銷10及加強銷7c的軸心正交的方向上，兩個側面部6a、6a以相向的方式，而將底面部6b設於支持板8上。在底面部6b貫穿有四個螺栓（bolt）12，該螺栓12螺合於螺絲孔8a。盤簧6位於保持部7的相鄰處。A coil spring 6 is supported on the support plate 8. The coil spring 6 is U-shaped, and includes two side portions 6a and 6a facing each other and a bottom surface portion 6b connecting the side portions 6a and 6a. A front end portion of the side surface portion 6a is curved, and a convex portion 6c protruding toward the opposite side surface portion 6a is formed in the front end portion. With the front end portion of the side portion 6a protruding in the same direction as the front end portion of the U-shaped plate portion 7a, and in a direction orthogonal to the axis of the pin 10 and the reinforcing pin 7c, the two side portions 6a, 6a are In a facing manner, the bottom surface portion 6 b is provided on the support plate 8. Four bolts 12 are penetrated through the bottom surface portion 6b, and the bolts 12 are screwed into the screw holes 8a. The coil spring 6 is located adjacent to the holding portion 7.

工具筒的中央部是沿著銷10的軸向而***凹部7d。工具筒的一端部被***盤簧6，由兩個側面部6a、6a予以夾持。兩個凸部6c、6c防止工具筒不必要地脫離。The central portion of the tool barrel is inserted into the recessed portion 7 d along the axial direction of the pin 10. One end of the tool barrel is inserted into the coil spring 6 and is sandwiched between the two side portions 6a, 6a. The two projections 6c, 6c prevent the tool cartridge from being unnecessarily detached.

工具筒是沿著銷10的軸向，由臂（arm）（圖略）等而從保持部7及盤簧6中拔出。另外，亦可取代盤簧6，而將相向的兩個彈性構件（例如橡膠構件）設於支持板8，由兩個彈性構件來夾持工具筒。The tool barrel is pulled out of the holding portion 7 and the coil spring 6 by an arm (not shown) or the like along the axial direction of the pin 10. In addition, instead of the coil spring 6, two opposing elastic members (for example, rubber members) may be provided on the support plate 8, and the tool barrel may be held by the two elastic members.

接下來，對所述的搬運鏈1、和沿與銷110的軸心正交的方向插拔工具筒的參考搬運鏈100進行比較。Next, the above-mentioned conveying chain 1 is compared with a reference conveying chain 100 that inserts and extracts a tool barrel in a direction orthogonal to the axis of the pin 110.

圖5是概略表示參考搬運鏈100的一例的側面圖。如圖5所示，參考搬運鏈100的保持部107具備：相向的兩個保持板107a、107a。在兩個保持板107a、107a之間，設有兩個內板103、103及輥105。保持板107a亦作為外板102而發揮功能。FIG. 5 is a side view schematically showing an example of the reference transport chain 100. As shown in FIG. 5, the holding portion 107 of the reference transport chain 100 includes two holding plates 107 a and 107 a facing each other. Between the two holding plates 107a and 107a, two inner plates 103 and 103 and a roller 105 are provided. The holding plate 107a also functions as the outer plate 102.

在所述保持板107a的相鄰處，設有兩個外板102、102、兩個內板103、103、襯套（圖略）及輥105。在保持板107a、外板102及內板103上分別設有貫穿孔，貫穿孔、襯套及輥105是同軸地配置。在貫穿孔、襯套及輥105中***有銷110，從而，保持板107a、內板103、外板102及輥105相連結。保持板107a是朝銷110的徑向突出，在保持板107a的突出端部，設有：保持工具筒150的凹部。另外，外板102、內板103及輥105是與搬運鏈1同樣地構成。Adjacent to the holding plate 107a, two outer plates 102, 102, two inner plates 103, 103, a bushing (not shown), and a roller 105 are provided. The holding plate 107a, the outer plate 102, and the inner plate 103 are respectively provided with through holes, and the through holes, the bushes, and the rollers 105 are arranged coaxially. A pin 110 is inserted into the through hole, the bush, and the roller 105, and the holding plate 107 a, the inner plate 103, the outer plate 102, and the roller 105 are connected to each other. The holding plate 107 a protrudes in the radial direction of the pin 110. A protruding portion of the holding plate 107 a is provided with a recessed portion holding the tool barrel 150. The outer plate 102, the inner plate 103, and the roller 105 are configured in the same manner as the conveyance chain 1.

在與保持板107a鄰接的外板102上，設有支持板108。支持板108是從外板102的長邊緣部突出，並以與銷110平行的方式而彎曲。在支持板108上，支持有：固定工具筒150的U狀的盤簧106。A support plate 108 is provided on the outer plate 102 adjacent to the holding plate 107a. The support plate 108 protrudes from the long edge portion of the outer plate 102 and is bent so as to be parallel to the pin 110. The support plate 108 supports a U-shaped coil spring 106 to which the tool barrel 150 is fixed.

在參考搬運鏈100呈環狀地配置的情況下，工具筒150是朝徑向外方（圖5的上方）從保持部107被拆卸，並朝徑向內方（圖5的下方）***保持部107。因此，在保持部107保持著工具筒150的情況下，工具筒朝徑向外方大幅突出。When the reference conveying chain 100 is arranged in a ring shape, the tool barrel 150 is detached from the holding portion 107 outward in the radial direction (upward in FIG. 5), and is inserted and held inward in the radial direction (downward in FIG. 5). Department 107. Therefore, when the tool holder 150 is held by the holding portion 107, the tool holder projects significantly outward in the radial direction.

另一方面，如圖1所示，在搬運鏈1中，工具筒相對於凹部7d而沿銷10的軸向插拔，因此可抑制工具筒從呈環狀配置的搬運鏈1朝徑向外方（圖1的左方）突出。因此，可抑制呈環狀配置的搬運鏈1的直徑變大。On the other hand, as shown in FIG. 1, in the conveying chain 1, the tool barrel is inserted and removed in the axial direction of the pin 10 with respect to the recessed portion 7 d. Therefore, it is possible to suppress the tool barrel from moving radially outward from the conveying chain 1 in a ring shape. The square (left of Fig. 1) protrudes. Therefore, it is possible to suppress the diameter of the conveyance chain 1 arranged in a ring shape from increasing.

在參考搬運鏈100中，沿著圖5的表面背面方向而排列有保持板107a。排列的保持板107a可朝彼此遠離的方向轉動，但由於保持板107a會彼此干涉，因此無法朝接近的方向轉動。即，參考搬運鏈100僅可單向轉動。In the reference conveyance chain 100, the holding plates 107 a are arranged along the front-back direction in FIG. 5. The aligned holding plates 107a can be rotated in directions away from each other, but since the holding plates 107a interfere with each other, they cannot be rotated in the approaching direction. That is, the reference conveyance chain 100 can only rotate in one direction.

另一方面，如圖1所示，在搬運鏈1中，工具筒是可轉動地連結於銷10的端部，且朝銷10的軸向突出，因此搬運鏈1能以銷10為支點而雙向轉動。這是因為，無論朝哪個方向轉動，保持部7皆是彼此遠離。因此，與參考搬運鏈100相比，可容易地變更搬運鏈1的配置或佈局（layout）。On the other hand, as shown in FIG. 1, in the conveying chain 1, the tool barrel is rotatably connected to the end of the pin 10 and protrudes in the axial direction of the pin 10. Turn in both directions. This is because the holding portions 7 move away from each other no matter which direction they are turned. Therefore, it is possible to easily change the arrangement or layout of the transportation chain 1 compared to the reference transportation chain 100.

如圖5所示，在參考搬運鏈100中，外板102、內板103、保持板107a及輥105是沿銷110的軸向並排設置、並進行裝配。因此，即使在保持板107a的尺寸精度高的情況下，保持板107a、107a間的尺寸精度亦會影響到保持板107a以外的零件，即外板102、內板103及輥105的尺寸精度及銷110的軸向上的各零件的裝配精度。As shown in FIG. 5, in the reference conveyance chain 100, the outer plate 102, the inner plate 103, the holding plate 107 a, and the roller 105 are arranged side by side in the axial direction of the pin 110 and are assembled. Therefore, even when the dimensional accuracy of the holding plate 107a is high, the dimensional accuracy between the holding plates 107a and 107a will affect parts other than the holding plate 107a, that is, the dimensional accuracy of the outer plate 102, the inner plate 103, and the roller 105 and Assembly accuracy of each component in the axial direction of the pin 110.

另一方面，如圖1所示，搬運鏈1的保持部7是由單一零件所構成，且設於銷10的端部，而且，U狀板部7a是沿與銷10正交的方向並排設置，因此U狀板部7a間的尺寸精度不會影響到保持部7以外的零件的尺寸精度或銷10的軸向上的各零件的裝配精度，從而可提高搬運鏈1的精度。On the other hand, as shown in FIG. 1, the holding portion 7 of the conveying chain 1 is composed of a single part and is provided at an end portion of the pin 10, and the U-shaped plate portions 7 a are arranged side by side in a direction orthogonal to the pin 10 Because of this arrangement, the dimensional accuracy between the U-shaped plate portions 7 a does not affect the dimensional accuracy of parts other than the holding portion 7 or the assembly accuracy of each component in the axial direction of the pin 10, thereby improving the accuracy of the conveying chain 1.

在參考搬運鏈100中，如圖5所示，支持板108彎折，根據彎折程度，與銷110的軸心正交的方向上的支持板108的位置會有所變更。即，根據彎曲加工的精度，與銷110的軸心正交的方向上的盤簧106的位置會有所偏置。In the reference conveying chain 100, as shown in FIG. 5, the support plate 108 is bent, and the position of the support plate 108 in a direction orthogonal to the axis of the pin 110 is changed according to the degree of bending. That is, the position of the coil spring 106 in the direction orthogonal to the axis of the pin 110 is offset depending on the accuracy of the bending process.

另一方面，如圖1所示，在搬運鏈1中，支持板8是與銷10的軸心成直角，因此銷10的軸向上的盤簧6的位置偏離得以被抑制。因此，可防止盤簧6的位置從原本的位置發生偏置而導致不平衡負載（unbalanced load）從工具筒作用於盤簧6，從而可延長盤簧6的耐久時間。On the other hand, as shown in FIG. 1, in the conveying chain 1, the support plate 8 is at a right angle to the axis of the pin 10, so that the positional deviation of the coil spring 6 in the axial direction of the pin 10 is suppressed. Therefore, the position of the coil spring 6 can be prevented from being offset from the original position, and an unbalanced load can be prevented from acting on the coil spring 6 from the tool barrel, so that the durability time of the coil spring 6 can be extended.

當認為，此次揭示的實施形態在所有方面僅為例示而非限制者。應意識到，各實施例中記載的技術特徵可彼此組合，本發明的範圍包含申請專利範圍內的所有變更及與申請專利範圍均等的範圍。It should be considered that the embodiments disclosed this time are merely illustrative and not restrictive in all respects. It should be appreciated that the technical features described in the embodiments can be combined with each other, and the scope of the present invention includes all changes within the scope of the patent application and a scope equivalent to the scope of the patent application.

1‧‧‧搬運鏈
2、102‧‧‧外板
2a、3a、7f‧‧‧貫穿孔
3、103‧‧‧內板
4‧‧‧襯套
5、105‧‧‧輥
6、106‧‧‧盤簧（夾持構件）
6a‧‧‧側面部
6b‧‧‧底面部
6c‧‧‧凸部
7、107‧‧‧保持部
7a‧‧‧U狀板部
7b‧‧‧連結板部
7c‧‧‧加強銷
7d‧‧‧凹部
7e‧‧‧錐部
8‧‧‧支持板
8a‧‧‧螺絲孔
10、110‧‧‧銷
12‧‧‧螺栓
100‧‧‧參考搬運鏈
107a‧‧‧保持板
108‧‧‧支持板
150‧‧‧工具筒1‧‧‧handling chain
2,102‧‧‧outer board
2a, 3a, 7f‧‧‧ through holes
3.103‧‧‧Inner plate
4‧‧‧ Bushing
5, 105‧‧‧ roller
6, 106‧‧‧ coil spring (clamping member)
6a‧‧‧Side
6b‧‧‧ bottom face
6c‧‧‧ convex
7, 107‧‧‧ holding department
7a‧‧‧U-shaped plate
7b‧‧‧Link plate
7c‧‧‧Strengthen
7d‧‧‧ recess
7e‧‧‧ cone
8‧‧‧ support board
8a‧‧‧screw hole
10, 110‧‧‧ pin
12‧‧‧ Bolt
100‧‧‧Reference handling chain
107a‧‧‧Retaining plate
108‧‧‧ support board
150‧‧‧tool barrel

圖1是概略表示實施形態的搬運鏈的右側面圖。 FIG. 1 is a right side view schematically showing a transport chain according to the embodiment.

圖2是概略表示將圖1所示的II-II線作為切斷線的搬運鏈的局部正面剖面圖。 FIG. 2 is a partial front cross-sectional view schematically showing a transport chain using the II-II line shown in FIG. 1 as a cutting line.

圖3是概略表示搬運鏈的底面圖。 FIG. 3 is a bottom view schematically showing a transport chain.

圖4是概略表示支持板的立體圖。 FIG. 4 is a perspective view schematically showing a support plate.

圖5是概略表示參考搬運鏈的一例的側面圖。FIG. 5 is a side view schematically showing an example of a reference transport chain.

1‧‧‧搬運鏈 1‧‧‧handling chain

2‧‧‧外板 2‧‧‧ outer plate

2a、3a、7f‧‧‧貫穿孔 2a, 3a, 7f‧‧‧ through holes

3‧‧‧內板 3‧‧‧ inner plate

4‧‧‧襯套 4‧‧‧ Bushing

5‧‧‧輥 5‧‧‧roller

6‧‧‧盤簧(夾持構件) 6‧‧‧ coil spring (holding member)

6a‧‧‧側面部 6a‧‧‧Side

6b‧‧‧底面部 6b‧‧‧ bottom face

6c‧‧‧凸部 6c‧‧‧ convex

7‧‧‧保持部 7‧‧‧ holding department

7a‧‧‧U狀板部 7a‧‧‧U-shaped plate

7b‧‧‧連結板部 7b‧‧‧Link plate

7c‧‧‧加強銷 7c‧‧‧Strengthen

7d‧‧‧凹部 7d‧‧‧ recess

7e‧‧‧錐部 7e‧‧‧ cone

8‧‧‧支持板 8‧‧‧ support board

10‧‧‧銷 10‧‧‧pin

12‧‧‧螺栓 12‧‧‧ Bolt

Claims

一種搬運鏈，包括：內板及外板，經由銷而交替地連結；以及保持部，設置於所述銷，且具有對於工具或工具筒進行保持的凹部，所述凹部是朝所述銷的軸向凹陷，所述保持部具備：朝所述銷的軸向凹陷的相向的兩個U狀板部，在所述兩個U狀板部之間設有加強銷。 A conveying chain includes: an inner plate and an outer plate that are alternately connected via pins; and a holding portion provided on the pin and having a recessed portion for holding a tool or a tool barrel, the recessed portion facing the pin The holding portion includes two U-shaped plate portions facing each other recessed in the axial direction of the pin, and a reinforcing pin is provided between the two U-shaped plate portions.

一種搬運鏈，包括：內板及外板，經由銷而交替地連結；以及保持部，設置於所述銷，且具有對於工具或工具筒進行保持的凹部，所述凹部是朝所述銷的軸向凹陷，夾持構件，配置於所述保持部的外側，夾持所述工具或工具筒；以及支持板，以一表面支持所述夾持構件，且相對於所述銷的軸心成直角。 A conveying chain includes: an inner plate and an outer plate that are alternately connected via pins; and a holding portion provided on the pin and having a recessed portion for holding a tool or a tool barrel, the recessed portion facing the pin An axial depression, a clamping member is disposed outside the holding portion to clamp the tool or tool barrel; and a support plate supports the clamping member with a surface and is formed with respect to the axis of the pin Right angle.

如申請專利範圍第1項或第2項所述的搬運鏈，其中能夠繞著所述銷的軸旋轉的所述保持部是從所述銷的端部朝所述軸向突出，所述凹部的開口位於所述保持部的突出端部。 The conveying chain according to item 1 or 2 of the scope of patent application, wherein the holding portion capable of rotating about the axis of the pin is protruded from an end portion of the pin toward the axial direction, and the recessed portion The opening is located at a protruding end portion of the holding portion.

如申請專利範圍第3項所述的搬運鏈，其中所述保持部是由單一零件所構成。The handling chain according to item 3 of the scope of patent application, wherein the holding portion is composed of a single part.