JP2003342856A - Method and apparatus for producing three-dimensional woven fabric - Google Patents

Method and apparatus for producing three-dimensional woven fabric

Info

Publication number
JP2003342856A
JP2003342856A JP2002148742A JP2002148742A JP2003342856A JP 2003342856 A JP2003342856 A JP 2003342856A JP 2002148742 A JP2002148742 A JP 2002148742A JP 2002148742 A JP2002148742 A JP 2002148742A JP 2003342856 A JP2003342856 A JP 2003342856A
Authority
JP
Japan
Prior art keywords
thread
yarn
stitching
vertical
woven fabric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002148742A
Other languages
Japanese (ja)
Inventor
Yuji Uchida
裕士 内田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Machinery Ltd
Original Assignee
Murata Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Machinery Ltd filed Critical Murata Machinery Ltd
Priority to JP2002148742A priority Critical patent/JP2003342856A/en
Priority to EP03010603A priority patent/EP1365051A3/en
Priority to US10/441,013 priority patent/US20030217780A1/en
Publication of JP2003342856A publication Critical patent/JP2003342856A/en
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/002—With diagonal warps or wefts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D25/00—Woven fabrics not otherwise provided for
    • D03D25/005—Three-dimensional woven fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/004—Looms for three-dimensional fabrics

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for producing multiaxial three- dimensional woven fabric to make the product of the three-dimensional woven fabric high density. <P>SOLUTION: The method for producing the three-dimensional woven fabric comprises a step for forming a laminate LB of four axial yarns having a desired thickness, and a vertical yarn-stitching step for sewing a vertical yarn Z from one face LBa side in the laminating direction of the laminate LB of the four axial yarns by stitching. The step for forming the laminate LB of the four axial yarns involves laminating each two or more layers of warp yarn layers, weft yarn layers and pairs of bias yarn layers by using warp yarns X, weft yarns Y and pairs of bias yarns B<SB>1</SB>and B<SB>2</SB>. The three-dimensional woven fabric is constituted by the stitching of the vertical yarns Z to fix the warp yarns X, weft yarns Y and the pair of the bias yarns B<SB>1</SB>and B<SB>2</SB>. <P>COPYRIGHT: (C)2004,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】この発明は、多軸三次元繊維
構造体（多軸三次元織物）を製造するための三次元織物
の製造方法並びに三次元織物の製造装置に関するもので
あって、特に、三次元織物における組織の高密度化を図
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a three-dimensional woven fabric for manufacturing a multi-axial three-dimensional fiber structure (multi-axial three-dimensional woven fabric) and a three-dimensional woven fabric manufacturing apparatus, and more particularly , It is intended to increase the density of the structure in the three-dimensional fabric.

【０００２】[0002]

【従来の技術】従来、経糸Ｘ、緯糸Ｙ、一組のバイアス
糸Ｂ１、Ｂ２および垂直糸Ｚからなる図１に示すような
５軸三次元織物Ｗが開発され提供されてきている。この
５軸三次元織物Ｗを製織する三次元織機としては、例え
ば、特開平１０−３２５０４１号公報に記載されている
内容のものが提案されている。この公報に記載の三次元
織機では、経糸Ｘおよび一組のバイアス糸Ｂ１、Ｂ２が
織機における織前に導かれ、経糸Ｘによって複数の経糸
層が構成され、バイアス糸Ｂ１、Ｂ２によって２層一組
のバイアス糸層が構成され、そのバイアス糸層が経糸層
間に配置される。２層一組のバイアス糸層については、
一方の層のバイアス糸が経糸に対し一定の角度傾斜し、
他方の層のバイアス糸は逆方向に同角度傾斜する。さら
に、緯糸Ｙが経糸層間およびバイアス糸層間に挿入さ
れ、経糸層およびバイアス糸層の厚さ方向において、垂
直糸Ｚが各層の経糸間およびバイアス糸間に挿入され
る。これによって５軸三次元織物が製織され、垂直糸に
よって経糸、緯糸およびバイアス糸が連結され組織され
る。2. Description of the Related Art Conventionally, a 5-axis three-dimensional fabric W as shown in FIG. 1 has been developed and provided, which comprises a warp yarn X, a weft yarn Y, a set of bias yarns B1 and B2, and a vertical yarn Z. As a three-dimensional weaving machine for weaving the five-axis three-dimensional woven fabric W, for example, the one disclosed in Japanese Patent Laid-Open No. 10-325041 has been proposed. In the three-dimensional loom described in this publication, the warp yarn X and a set of bias yarns B1 and B2 are guided to the front of the loom, the warp yarns X form a plurality of warp layers, and the bias yarns B1 and B2 form two layers. A set of bias yarn layers is constructed and the bias yarn layers are disposed between the warp layers. For two layers of bias yarn layers,
The bias yarn in one layer is inclined at a certain angle with respect to the warp yarn,
The bias yarns in the other layer are inclined at the same angle in the opposite direction. Furthermore, the weft Y is inserted between the warp layers and the bias yarn layers, and the vertical yarn Z is inserted between the warp yarns and the bias yarns of each layer in the thickness direction of the warp layer and the bias yarn layer. As a result, a 5-axis three-dimensional woven fabric is woven, and warp yarns, weft yarns, and bias yarns are connected by a vertical yarn to form a texture.

【０００３】[0003]

【発明が解決しようとする課題】ところで、上記する５
軸三次元織機において、前記垂直糸Ｚを挿入するための
垂直糸挿入部材は、経糸間を上下に昇降動作する手段に
よって制御されており、織物層間に垂直糸を通しつつ、
筬打ち動作も行なうようになっている。この従来の５軸
三次元織機では、垂直糸は筬を兼ねた垂直糸挿入部材に
より供給され、筬打ちされているので、筬の通過する分
の隙間が必要であり、繊維の高密度配置に限界があり、
さらには、三次元織物製品としての組織の高密度化に限
界があるという問題点を有しているものであった。By the way, the above-mentioned 5
In the axial three-dimensional loom, the vertical thread insertion member for inserting the vertical thread Z is controlled by means for vertically moving between the warp threads, and while passing the vertical thread between the fabric layers,
A beating operation is also performed. In this conventional five-axis three-dimensional loom, the vertical yarn is supplied by the vertical yarn insertion member that also serves as the reed and is beaten, so that a gap for the reed to pass through is required, so that high-density arrangement of fibers is possible. There are limits,
Furthermore, there is a problem that there is a limit to the increase in the density of the structure as a three-dimensional textile product.

【０００４】そこで、この発明は、上記するような三次
元織機において、前記垂直糸Ｚを挿入するという概念を
根本的に改め、経糸Ｘ、緯糸Ｙ、一組のバイアス糸Ｂ
１、Ｂ２による４軸糸積層体に対し、前記垂直糸Ｚをス
テッチング（縫い込み）して、三次元的な織物を供する
ための製造方法並びにその製造装置を提供することにあ
る。Therefore, in the present invention, in the above-described three-dimensional loom, the concept of inserting the vertical yarn Z is fundamentally revised, and the warp yarn X, the weft yarn Y, and the set of bias yarns B are set.
It is an object of the present invention to provide a manufacturing method and a manufacturing apparatus for providing a three-dimensional woven fabric by stitching (sewn in) the vertical thread Z to the 4-axis thread laminated body according to No. 1 and B2.

【０００５】[0005]

【課題を解決するための手段】この発明は、上記する目
的を達成するにあたって、具体的には、経糸Ｘ、緯糸Ｙ
および一組のバイアス糸Ｂ１、Ｂ２により、経糸層、緯
糸層および一組のバイアス糸層をそれぞれ複数層積層し
て所望厚さの４軸糸積層体を形成する工程と、前記４軸
糸積層体の積層方向における一方の面側から垂直糸Ｚを
ステッチングにより縫い込む垂直糸ステッチング工程と
からなり、垂直糸のステッチングによって、前記経糸
Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ１、Ｂ２を止め合
わせて三次元織物を織成する三次元織物の製造方法を構
成するものである。In order to achieve the above-mentioned object, the present invention specifically provides a warp yarn X and a weft yarn Y.
And a step of laminating a plurality of warp layers, a weft layer, and a set of bias yarn layers with a set of bias yarns B1 and B2, respectively, to form a 4-axis yarn laminated body having a desired thickness; A vertical thread stitching process in which a vertical thread Z is sewn from one surface side in the stacking direction of the body by stitching, and the warp thread X, the weft thread Y, and a set of bias threads B1 and B2 are formed by stitching the vertical thread. The three-dimensional woven fabric is manufactured by weaving the three-dimensional woven fabric together.

【０００６】さらに、この発明では、外周囲に糸掛け切
替手段を備えた枠体上に、経糸層、緯糸層および一組の
バイアス糸層を形成するべく、糸供給源から供給される
複数の糸を、経糸層を形成する方向、緯糸層を形成する
方向および一組のバイアス糸層を形成する方向に方向変
換して、前記複数の糸を方向付けして分配し、４軸糸積
層体を形成する４軸糸積層体形成手段と、前記４軸糸積
層体の積層方向における一方の面側から垂直糸Ｚを縫い
込み、前記垂直糸Ｚによって、前記経糸Ｘ、緯糸Ｙおよ
び一組のバイアス糸Ｂ１、Ｂ２を止め合わすための垂直
糸ステッチング手段とからなる三次元織物の製造装置を
構成するものである。Further, in the present invention, a plurality of yarns are supplied from the yarn supply source in order to form the warp layer, the weft layer and the set of bias yarn layers on the frame body provided with the yarn hooking switching means on the outer periphery. A four-axis yarn laminated body in which the yarns are direction-converted into a warp layer forming direction, a weft yarn layer forming direction and a set of bias yarn layer forming directions to orient and distribute the plurality of yarns. And a vertical thread Z is sewn from one surface side in the laminating direction of the four-axis thread laminated body forming the warp X, the weft Y and a set of the vertical thread Z. The present invention constitutes a three-dimensional fabric manufacturing apparatus including vertical yarn stitching means for stopping the bias yarns B1 and B2 together.

【０００７】さらにまた、この発明では、前記糸掛け切
替手段が、枠体の外周囲に多数本の糸掛けピンを横向き
に取り付けたものからなる三次元織物の製造装置を構成
するものである。Furthermore, in the present invention, the yarn hooking switching means constitutes a three-dimensional woven fabric manufacturing apparatus including a large number of yarn hooking pins laterally attached to the outer periphery of the frame.

【０００８】さらにまた、この発明では、前記垂直糸ス
テッチング手段が、複数の垂直糸ステッチング針と垂直
糸送り手段とを搭載するステッチングヘッドと、前記複
数の垂直糸ステッチング針をガイドするニードルガイド
プレートとを含むものからなり、前記垂直糸ステッチン
グ手段の下降時に、前記ニードルガイドプレートが予め
先に下降して前記４軸糸積層体を押圧し、前記垂直糸ス
テッチング手段の上昇時に、前記ニードルガイドプレー
トが遅れて前記４軸糸積層体から離れるように駆動制御
する駆動制御手段を備えている三次元織物の製造装置を
構成するものでもある。Furthermore, in the present invention, the vertical thread stitching means guides the plurality of vertical thread stitching needles and the stitching head on which the vertical thread stitching needles are mounted, and the plurality of vertical thread stitching needles. A needle guide plate, and when the vertical thread stitching means descends, the needle guide plate descends in advance to press the four-axis thread laminated body, and when the vertical thread stitching means rises. The three-dimensional woven fabric manufacturing apparatus is also provided with drive control means for driving and controlling the needle guide plate so as to be separated from the four-axis yarn laminated body with a delay.

【０００９】さらにまた、この発明では、前記垂直糸ス
テッチング手段が、垂直糸のステッチング毎に、前記４
軸糸積層体の積層方向における他方の面側において前記
垂直糸と絡み合う止め糸を挿入するための止め糸挿入手
段を備えたものからなる三次元織物の製造装置を構成す
るものでもある。Further, according to the present invention, the vertical thread stitching means performs the above-mentioned step 4 for each stitching of the vertical thread.
The present invention also constitutes a three-dimensional woven fabric manufacturing apparatus including a retaining thread inserting means for inserting a retaining thread intertwined with the vertical thread on the other surface side in the laminating direction of the axial yarn laminated body.

【００１０】さらに、この発明では、前記垂直糸ステッ
チング手段における複数の垂直糸ステッチング針が、軸
方向に貫通する貫通孔を備え、前記貫通孔内に垂直糸Ｚ
が挿通ガイドされるものからなる三次元織物の製造装置
を構成するものでもある。Further, in the present invention, the plurality of vertical thread stitching needles in the vertical thread stitching means have through holes penetrating in the axial direction, and the vertical thread Z is provided in the through holes.
It also constitutes a device for manufacturing a three-dimensional woven fabric, which is configured to be guided through.

【００１１】[0011]

【発明の実施の形態】以下、この発明になる多軸三次元
織物の製造方法、並びにその製造装置について、図面に
示す具体的な実施例にもとづいて詳細に説明する。図２
は、この発明になる三次元織物の製造方法にあって、経
糸Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ１、Ｂ２により
４軸糸積層体を形成する工程のための具体的な装置の一
実施例を示すものであって、図２Ａは、当該４軸糸積層
体形成手段の全体的な構成を示す概略的な斜視図であ
り、図２Ｂは、当該４軸糸積層体形成手段において、糸
供給源からの糸を糸掛け切替手段に掛ける状態を示す概
略的な側面図であり、図２Ｃ1 〜図２Ｃ3 は、前記４軸
糸積層体形成手段における糸分配ガイド部材の詳細を示
す概略的な斜視図である。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a method for producing a multiaxial three-dimensional fabric and an apparatus for producing the same according to the present invention will be described in detail with reference to specific embodiments shown in the drawings. Figure 2
In the method for producing a three-dimensional woven fabric according to the present invention, one embodiment of a specific device for the step of forming a four-axis yarn laminated body with a warp yarn X, a weft yarn Y and a set of bias yarns B1 and B2. FIG. 2A is a schematic perspective view showing an example of the overall structure of the 4-axis yarn laminated body forming means, and FIG. 2B shows an example of the yarn in the 4-axis yarn laminated body forming means. FIG. 2C 1 to FIG. 2C 3 are schematic side views showing a state in which the yarn from the supply source is hung on the yarn hooking switching device, and FIGS. 2C 1 to 2C 3 are schematic views showing details of the yarn distribution guide member in the 4-axis yarn laminated body forming device. FIG.

【００１２】一方、図３は、この発明になる三次元織物
の製造方法にあって、前記４軸糸積層体の積層方向にお
ける一方の面側から垂直糸Ｚをステッチングする工程の
ための具体的な装置例であって、その全体的な構成を示
す概略的な斜視図であり、図４は、当該垂直糸ステッチ
ング手段の主要部の構成例を示す概略的な斜視図であ
り、図５は、前記垂直糸ステッチング手段におけるステ
ッチング針と、止め糸のためのレピアとの関係を示す概
略的な側断面図であり、図６は、レピアの往復動のため
のレピア往復駆動機構の具体的な構成例を示す概略的な
斜視図であり、図７は、レピアのクランプ部の具体的な
一例を示す側断面図であり、図８は、止め糸の送り出し
のための制御機構を示す概略的な斜視図である。On the other hand, FIG. 3 shows a concrete example for the step of stitching the vertical yarn Z from one surface side in the laminating direction of the four-axis yarn laminated body in the method for producing a three-dimensional woven fabric according to the present invention. FIG. 4 is a schematic perspective view showing an overall configuration of a typical device, and FIG. 4 is a schematic perspective view showing a configuration example of a main part of the vertical thread stitching means. 5 is a schematic side sectional view showing a relationship between a stitching needle in the vertical thread stitching means and a rapier for a stop thread, and FIG. 6 is a rapier reciprocating drive mechanism for reciprocating the rapier. FIG. 7 is a schematic perspective view showing a concrete example of the configuration of FIG. 7, FIG. 7 is a side cross-sectional view showing a concrete example of the clamp portion of the rapier, and FIG. 8 is a control mechanism for feeding the stop thread. It is a schematic perspective view showing.

【００１３】まず、この発明になる三次元織物の製造方
法では、経糸Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ１、
Ｂ２により、経糸層、緯糸層および一組のバイアス糸層
をそれぞれ複数層積層して所望厚さの４軸糸積層体ＬＢ
を形成する工程と、この４軸糸積層体ＬＢの積層方向に
おける一方の面ＬＢａ側から垂直糸Ｚをステッチングに
より縫い込む垂直糸ステッチング工程とを含むものであ
って、この垂直糸のステッチングによって、前記経糸
Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ１、Ｂ２を止め合
わせて三次元織物Ｗを織成する。First, in the method for manufacturing a three-dimensional woven fabric according to the present invention, the warp yarn X, the weft yarn Y, and the set of bias yarns B1,
According to B2, a plurality of warp layers, weft layers and a set of bias yarn layers are respectively laminated to form a four-axis yarn laminated body LB having a desired thickness.
And a vertical thread stitching step in which the vertical thread Z is sewn by stitching from one surface LBa side in the laminating direction of the 4-axis thread laminated body LB, and the vertical thread stitching is performed. The three-dimensional woven fabric W is woven by stopping the warp yarn X, the weft yarn Y, and the set of bias yarns B1 and B2 together by pressing.

【００１４】上記する４軸糸積層体ＬＢは、図２に示す
ような４軸糸積層体形成手段１によって形成される。ま
ず、この発明では、前記４軸糸積層体ＬＢを形成するた
めの枠体２が準備される。前記枠体２は、横断面矩形の
シャフト部材３によって、外径Ｌ１×Ｌ２の矩形枠体と
して形成される。前記枠体２は、その外周囲に、所定の
ピッチ間隔をおいて、糸掛け切替手段としての糸掛けピ
ン４が設けてある。この発明では、前記枠体２の上に、
前記糸掛けピン４を利用して、経糸方向にのびる複数本
の糸による経糸層、緯糸方向にのびる複数本の糸による
緯糸層、＋θ度のバイアス糸方向にのびる複数本の糸に
よる＋θ度バイアス糸層、−θ度のバイアス糸方向にの
びる複数本の糸による−θ度バイアス糸層を形成する。The above-mentioned four-axis yarn laminated body LB is formed by the four-axis yarn laminated body forming means 1 as shown in FIG. First, in the present invention, the frame body 2 for forming the four-axis yarn laminated body LB is prepared. The frame body 2 is formed as a rectangular frame body having an outer diameter L1 × L2 by a shaft member 3 having a rectangular cross section. The frame 2 is provided with thread hooking pins 4 as thread hooking switching means at a predetermined pitch interval on the outer periphery thereof. In this invention, on the frame body 2,
By using the thread hooking pin 4, a warp layer formed by a plurality of yarns extending in the warp direction, a weft layer formed by a plurality of yarns extending in the weft direction, a bias of + θ degrees, and a + θ degree bias by a plurality of yarns extending in the yarn direction. A yarn layer, a-?-Degree bias yarn layer is formed by a plurality of yarns extending in the-?-Degree bias yarn direction.

【００１５】前記４軸糸積層体形成手段１は、複数のボ
ビン５によって構成される糸供給源６と、前記糸供給源
６から供給される複数の糸（経糸Ｘ、緯糸Ｙ、バイアス
糸Ｂ１、Ｂ２としての共用糸Ｃｙ）を案内する糸分配ガ
イド部材７とを搭載する機体８を含み、且つ、前記枠体
２を載せて、該枠体２を矢印Ｙｘ方向に往復動させるた
めのＸ軸方向往復駆動機構９を含むものからなってい
る。前記機体８は、機台１０と、該機台１０における上
部レール１１に沿って矢印Ｙｙ方向に往復動させるため
のＹ軸方向往復駆動機構１２を備えている。前記Ｙ軸方
向往復駆動機構１２によって、前記機台１０における上
部レール１１に沿って矢印Ｙｙ方向に往復動する支持柱
部材１３には、前記複数のボビン５によって構成される
糸供給源６と、前記糸供給源６から供給される複数の糸
を案内する糸分配ガイド部材７とが搭載されており、前
記糸分配ガイド部材７は、複数の糸を挿通してガイドす
る複数のガイド孔１４を一列状に設けたものからなって
いる。The four-axis yarn laminated body forming means 1 includes a yarn supply source 6 composed of a plurality of bobbins 5 and a plurality of yarns (warp yarn X, weft yarn Y, bias yarn B1) supplied from the yarn supply source 6. , B2 and a yarn distribution guide member 7 for guiding the shared yarn Cy) and a frame 8 for mounting the frame 2 and reciprocating the frame 2 in the direction of the arrow Yx. It includes an axial reciprocating drive mechanism 9. The machine body 8 includes a machine base 10 and a Y-axis direction reciprocating drive mechanism 12 for reciprocating in the arrow Yy direction along an upper rail 11 of the machine base 10. The support column member 13 reciprocally moved in the arrow Yy direction along the upper rail 11 of the machine base 10 by the Y-axis direction reciprocating drive mechanism 12 has a yarn supply source 6 configured by the plurality of bobbins 5. A yarn distribution guide member 7 for guiding a plurality of yarns supplied from the yarn supply source 6 is mounted, and the yarn distribution guide member 7 has a plurality of guide holes 14 for inserting and guiding the plurality of yarns. It consists of one row.

【００１６】前記糸分配ガイド部材７は、前記支持柱部
材１３に対し、矢印Ｙａ方向に上下動可能に構成されて
おり、且つ、一列状に配列されているガイド孔１４の列
が、図２Ａに示す０度の角度位置、並びに９０度の角度
位置に位置するよう矢印Ｙｂ方向に沿って回動可能で固
定可能に構成されており、さらに、図２Ｂに示すよう
に、軸１５の回りに矢印Ｙｃに沿って揺動可能に構成さ
れている。前記複数のガイド孔１４は、例えば、図２Ｃ
2 および図２Ｃ3 に示すような適当な長さ寸法でなるパ
イプ状糸挿通部材Ｐａによって形成される。The yarn distribution guide member 7 is constructed so as to be movable up and down in the direction of the arrow Ya with respect to the support column member 13, and the rows of the guide holes 14 arranged in a row are shown in FIG. 2A. It is configured to be rotatable and fixable in the direction of the arrow Yb so as to be located at the angular position of 0 degree and the angular position of 90 degrees shown in FIG. It is configured to be swingable along the arrow Yc. The plurality of guide holes 14 are, for example, as shown in FIG. 2C.
2 and a pipe-shaped thread insertion member Pa having an appropriate length as shown in FIG. 2C 3 .

【００１７】上記構成になる４軸糸積層体形成手段１に
よれば、まず、前記枠体２上に、経糸層Ｘを形成する場
合には、前記糸分配ガイド部材７を、そのガイド孔１４
の列を９０度の角度位置に固定して、前記Ｘ軸方向往復
駆動機構９によって前記枠体２を矢印Ｙｘ方向に移動さ
せ、前記枠体２の端辺２ａあるいは２ｂ位置に達した段
階で、前記糸分配ガイド部材７を矢印Ｙｃに沿って揺動
させて糸を糸掛けピン４に引っ掛け、前記Ｙ軸方向往復
駆動機構１２によって、糸分配ガイド部材７を矢印Ｙｙ
方向に振り、前記Ｘ軸方向往復駆動機構９による矢印Ｙ
ｘ方向の移動を繰り返して前記枠体２上に経糸層Ｘを形
成する。According to the four-axis yarn laminated body forming means 1 having the above structure, first, when the warp layer X is formed on the frame body 2, the yarn distribution guide member 7 is provided with the guide hole 14 thereof.
Row is fixed at an angular position of 90 degrees, and the frame body 2 is moved in the arrow Yx direction by the X-axis direction reciprocating drive mechanism 9 to reach the end side 2a or 2b position of the frame body 2. , The yarn distribution guide member 7 is swung along the arrow Yc to hook the yarn on the yarn hooking pin 4, and the Y-axis direction reciprocating drive mechanism 12 moves the yarn distribution guide member 7 to the arrow Yy.
The arrow Y by the reciprocating drive mechanism 9 in the X-axis direction.
The warp layer X is formed on the frame body 2 by repeating the movement in the x direction.

【００１８】前記枠体２上に、緯糸層Ｙを形成する場合
には、前記糸分配ガイド部材７を、そのガイド孔１４の
列を０度の角度位置に固定して、前記Ｙ軸方向往復駆動
機構１２によって前記糸分配ガイド部材７を矢印Ｙｙ方
向に移動させ、前記枠体２の端辺２ｃあるいは２ｄ位置
に達した段階で、前記糸分配ガイド部材７を矢印Ｙｃに
沿って揺動させて糸を糸掛けピン４に引っ掛け、前記Ｘ
軸方向往復駆動機構９によって、枠体２を矢印Ｙｘ方向
に振り、前記Ｙ軸方向往復駆動機構１２による矢印Ｙｙ
方向の移動を繰り返して前記枠体２上に緯糸層Ｙを形成
する。When forming the weft yarn layer Y on the frame body 2, the yarn distribution guide member 7 is fixed to the row of the guide holes 14 at an angular position of 0 degree, and reciprocated in the Y-axis direction. The yarn distribution guide member 7 is moved in the direction of the arrow Yy by the driving mechanism 12, and when the yarn distribution guide member 7 reaches the end side 2c or 2d of the frame body 2, the yarn distribution guide member 7 is swung along the arrow Yc. Hook the thread on the thread hooking pin 4 and
The frame 2 is swung in the arrow Yx direction by the axial reciprocating drive mechanism 9, and the arrow Yy by the Y axis reciprocating drive mechanism 12.
The weft layer Y is formed on the frame 2 by repeating the movement in the direction.

【００１９】一方、前記枠体２上に、＋４５度のバイア
ス糸層Ｂ１を形成する場合には、前記糸分配ガイド部材
７を、そのガイド孔１４の列を０度の角度位置に固定し
て、前記Ｘ軸方向往復駆動機構９および前記Ｙ軸方向往
復駆動機構１２の双方を同一速度で作動させて、糸を枠
体２上に＋４５度に走らせ、糸掛けピン４と９０度で交
差させ、これを繰り返して前記枠体２上に＋４５度のバ
イアス糸層Ｂ１を形成する。−４５度のバイアス糸層Ｂ
２を形成する場合には、前記糸分配ガイド部材７を、そ
のガイド孔１４の列を０度の角度位置に固定して、前記
Ｘ軸方向往復駆動機構９および前記Ｙ軸方向往復駆動機
構１２の双方を同一速度で作動させて、糸を枠体２上に
−４５度に走らせ、糸掛けピン４と９０度で交差させ、
これを繰り返して前記枠体２上に−４５度のバイアス糸
層Ｂ２を形成する。On the other hand, when forming the bias yarn layer B1 of +45 degrees on the frame body 2, the yarn distribution guide member 7 is fixed with the row of the guide holes 14 at an angular position of 0 degrees. , Both the X-axis direction reciprocating drive mechanism 9 and the Y-axis direction reciprocating drive mechanism 12 are operated at the same speed to run the yarn on the frame 2 by +45 degrees and intersect the thread hooking pin 4 at 90 degrees. By repeating this, the bias yarn layer B1 of +45 degrees is formed on the frame body 2. Bias thread layer B at -45 degrees
When forming 2, the yarn distribution guide member 7 is fixed in the row of the guide holes 14 at an angular position of 0 degree, and the X-axis direction reciprocating drive mechanism 9 and the Y-axis direction reciprocating drive mechanism 12 are formed. Both of them are operated at the same speed to run the thread on the frame 2 at -45 degrees and intersect the thread hooking pin 4 at 90 degrees,
By repeating this, the bias yarn layer B2 of -45 degrees is formed on the frame body 2.

【００２０】以上の操作をそれぞれ繰り返して、前記枠
体２上に、経糸層Ｘ、緯糸層Ｙおよび±４５度のバイア
ス糸層Ｂ１、Ｂ２からなる所望厚さ寸法でなる４軸糸積
層体ＬＢを形成する。この４軸糸積層体形成手段１によ
って、４軸糸積層体ＬＢが枠体２上に形成された後、前
記４軸糸積層体ＬＢは、枠体２に支持されたままの状態
で後段の垂直糸ステッチング工程に移される。By repeating the above-mentioned operations respectively, the four-axis yarn laminated body LB having the desired thickness dimension, which is composed of the warp yarn layer X, the weft yarn layer Y and the bias yarn layers B1 and B2 of ± 45 degrees, is formed on the frame body 2. To form. After the four-axis yarn laminated body LB is formed on the frame body 2 by the four-axis yarn laminated body forming means 1, the four-axis yarn laminated body LB is provided in the latter stage while being supported by the frame body 2. Transferred to the vertical thread stitching process.

【００２１】この発明において重要な点は、垂直糸Ｚを
前記４軸糸積層体ＬＢに対して縫い込みによって組織さ
せる垂直糸ステッチング工程を含むことにある。この垂
直糸ステッチング工程は、図３および図４に示すよう
に、枠体２上に形成された４軸糸積層体ＬＢを、矢印Ｙ
ｘ方向に沿って移動させることができる駆動機構（図示
せず）上に固定配置される。垂直糸ステッチング工程の
ための垂直糸ステッチング手段２１は、前記４軸糸積層
体ＬＢの積層方向における一方の面ＬＢａ側から垂直糸
Ｚを縫い込み、前記垂直糸Ｚによって、前記経糸Ｘ、緯
糸Ｙおよび一組のバイアス糸Ｂ１、Ｂ２を止め合わすた
めのものであって、より具体的には、多数のボビン群２
２からなる垂直糸供給源２３と、垂直糸ガイド２４と、
ステッチングヘッド２５と、ニードルガイドプレート２
６と、止め糸挿入手段２７とを含むものからなってい
る。An important point in the present invention is to include a vertical thread stitching step in which the vertical thread Z is woven into the four-axis thread laminated body LB by stitching. In this vertical thread stitching process, as shown in FIGS. 3 and 4, the four-axis thread laminated body LB formed on the frame body 2 is moved to the arrow Y direction.
It is fixedly arranged on a drive mechanism (not shown) that can be moved along the x direction. The vertical thread stitching means 21 for the vertical thread stitching step stitches the vertical thread Z from one surface LBa side in the laminating direction of the 4-axis thread laminated body LB, and by the vertical thread Z, the warp threads X, The weft yarn Y and the set of bias yarns B1 and B2 are fastened together, and more specifically, a large number of bobbin groups 2
A vertical yarn supply source 23 composed of two, a vertical yarn guide 24,
Stitching head 25 and needle guide plate 2
6 and a retaining thread inserting means 27.

【００２２】前記垂直糸ステッチング手段２１における
ステッチングヘッド２５は、針支持部材２８に支持され
る複数の垂直糸ステッチング針２９と、一対の垂直糸送
りローラ３０、３０によって構成される垂直糸送り手段
３１とを搭載するものからなっている。この発明におい
て、前記垂直糸ステッチング手段２１におけるステッチ
ングヘッド２５とニードルガイドプレート２６とは、前
記垂直糸ステッチング手段２１の下降時に、前記ニード
ルガイドプレート２６が予め先に下降して前記４軸糸積
層体ＬＢを押圧し、前記垂直糸ステッチング手段２１の
上昇時に、前記ニードルガイドプレート２６が遅れて前
記４軸糸積層体ＬＢから離れるように駆動制御する駆動
制御手段（図示せず）を備えている。The stitching head 25 of the vertical thread stitching means 21 is composed of a plurality of vertical thread stitching needles 29 supported by a needle support member 28 and a pair of vertical thread feed rollers 30, 30. It is equipped with a feeding means 31. In the present invention, the stitching head 25 and the needle guide plate 26 in the vertical thread stitching means 21 are arranged such that when the vertical thread stitching means 21 descends, the needle guide plate 26 descends first in advance. Drive control means (not shown) for pressing the yarn laminated body LB and drivingly controlling the needle guide plate 26 to move away from the four-axis yarn laminated body LB when the vertical yarn stitching means 21 rises. I have it.

【００２３】この発明において、さらに重要な点は、前
記垂直糸ステッチング手段２１における複数の垂直糸ス
テッチング針２９の構成にある。前記垂直糸ステッチン
グ針２９は、軸方向に貫通する貫通孔３２を備え、先端
に針先３３を備えたものからなっており、前記貫通孔３
２内に垂直糸Ｚが挿通される構成のものである。In the present invention, a more important point is the constitution of the plurality of vertical thread stitching needles 29 in the vertical thread stitching means 21. The vertical thread stitching needle 29 has a through hole 32 penetrating in the axial direction and a needle tip 33 at the tip, and the through hole 3
The vertical thread Z is inserted into the inside of 2.

【００２４】前記垂直糸ステッチング手段２１は、垂直
糸Ｚのステッチング毎に、前記４軸糸積層体ＬＢの積層
方向における他方の面ＬＢｂ側において前記垂直糸Ｚと
絡み合う止め糸３４を挿入するための止め糸挿入手段２
７を備えている。前記止め糸挿入手段２７は、前記４軸
糸積層体ＬＢの積層方向における他方の面ＬＢｂ側にお
いてレピア３５によって前記垂直糸Ｚのループ部分Ｚａ
の内部に挿入されるようになっている。前記４軸糸積層
体ＬＢの積層方向における他方の面ＬＢｂ側には、スペ
ーサプレート３６によって所定の間隔に保持されたレピ
アガイドプレート３７が複数枚平行に配列されており、
前記レピアガイドプレート３７には、レピアガイド溝３
８が設けてある。The vertical thread stitching means 21 inserts, for each stitching of the vertical thread Z, a stop thread 34 entwined with the vertical thread Z on the other surface LBb side in the laminating direction of the 4-axis thread laminated body LB. Means 2 for retaining thread
Equipped with 7. The stop thread inserting means 27 is arranged by the rapier 35 on the other surface LBb side in the stacking direction of the four-axis thread laminated body LB by the rapier 35 to form the loop portion Za of the vertical thread Z.
It is designed to be inserted inside. On the other surface LBb side in the laminating direction of the four-axis yarn laminated body LB, a plurality of rapier guide plates 37 held by the spacer plate 36 at predetermined intervals are arranged in parallel.
The rapier guide groove 37 is formed in the rapier guide plate 37.
8 is provided.

【００２５】前記レピア３５は、例えば、図６に示すよ
うなレピア駆動機構３９などの手段によって、矢印Ｙｄ
方向に往復動可能に構成されている。この例によれば、
前記レピア３５は、先端部側に止め糸３４を係止する糸
係止溝４０を備え、軸方向にのびる平坦面４１、４１を
備えたものからなっている。前記レピア駆動機構３９
は、レピア駆動源４２、一対のレピア送りローラ４３、
４３および複数対のレピアガイドローラ４４、４４によ
って構成されている。The rapier 35 is indicated by an arrow Yd by means such as a rapier drive mechanism 39 as shown in FIG.
It is configured to reciprocate in any direction. According to this example,
The rapier 35 is provided with a thread locking groove 40 for locking the stop thread 34 on the tip end side and flat surfaces 41, 41 extending in the axial direction. The rapier drive mechanism 39
Is a rapier drive source 42, a pair of rapier feed rollers 43,
43 and a plurality of pairs of rapier guide rollers 44, 44.

【００２６】前記レピア３５におけるクランプ部４５の
一つの具体例を図７に示す。この例によれば、前記レピ
ア３５は、先端部側に設けた糸係止溝４０内に止め糸３
４が係止された状態において、前記糸係止溝４０の開口
部を閉塞する筒状のクランパー４６と、該クランパー４
６を支配するブレーキ部材４７とを備えたものからなっ
ている。FIG. 7 shows one specific example of the clamp portion 45 of the rapier 35. According to this example, the rapier 35 has the stopper thread 3 in the thread locking groove 40 provided on the tip end side.
A cylindrical clamper 46 that closes the opening of the thread locking groove 40 when the thread 4 is locked, and the clamper 4
And a brake member 47 that controls 6 of the vehicle.

【００２７】さらに、この発明において、前記止め糸３
４は、図８に示す止め糸送り出し制御手段４８によって
送り出し制御されている。前記止め糸送り出し制御手段
４８は、止め糸ボビン４９を積極的に回転駆動する駆動
源５０と、積極的に繰り出した止め糸３４の繰り出し量
を検出するセンサー手段５１と、ガイド５２と、クラン
プカッター手段５３とを含むものからなっている。この
構成によれば、前記止め糸３４は、前記クランプカッタ
ー手段５３にクランプされた状態で、該クランプカッタ
ー手段５３を矢印Ｙｅ方向に傾倒することによって、レ
ピア３５の糸係止溝４０内に係止される。前記止め糸３
４は、前記駆動源５０の駆動により、仮想線で示すよう
に積極的に繰り出され、センサー手段５１の検知信号に
よって、前記レピア駆動機構３９を駆動して、レピア３
５を矢印Ｙｄ方向に駆動し、前記止め糸３４を走らせ
て、前記垂直糸Ｚのループ部分Ｚａ内に挿入されるよう
になっている。前記止め糸３４は、前記クランプカッタ
ー手段５３によって、挿入ストローク毎にカットするこ
とができるようになっている。Further, in the present invention, the stopper thread 3
No. 4 is controlled to be fed by the stop yarn feeding control means 48 shown in FIG. The set thread feeding control means 48 includes a drive source 50 that positively rotationally drives the set thread bobbin 49, a sensor means 51 that detects the amount of the set thread 34 that has been positively drawn, a guide 52, and a clamp cutter. And means 53. According to this configuration, the stopper thread 34 is engaged with the thread locking groove 40 of the rapier 35 by tilting the clamp cutter means 53 in the direction of the arrow Ye while being clamped by the clamp cutter means 53. Be stopped. The stopper thread 3
4 is positively fed out by the drive of the drive source 50 as shown by a phantom line, and the rapier drive mechanism 39 is driven by the detection signal of the sensor means 51 to drive the rapier 3
5 is driven in the direction of the arrow Yd to run the stop thread 34 and be inserted into the loop portion Za of the vertical thread Z. The retaining thread 34 can be cut at each insertion stroke by the clamp cutter means 53.

【００２８】[0028]

【発明の効果】以上の構成になるこの発明の三次元織物
の製造方法およびその製造装置によれば、経糸Ｘ、緯糸
Ｙおよび一組のバイアス糸Ｂ１、Ｂ２により、経糸層、
緯糸層および一組のバイアス糸層からなる所望厚さの４
軸糸積層体ＬＢを予め形成しておき、この４軸糸積層体
ＬＢに対して垂直糸Ｚをステッチングにより縫い込むよ
うに構成したことにより、垂直糸Ｚのための筬を兼ねた
垂直糸挿入機構を必要とせず、且つ、筬打ちという工程
を必要としないので、筬の通過する分の隙間が生じない
という点において、繊維の高密度配置に貢献し、且つ、
三次元織物製品としての組織の高密度化に貢献するもの
であって、それらの点において極めて有効に作用するも
のといえる。According to the method and apparatus for manufacturing a three-dimensional woven fabric of the present invention having the above structure, the warp layer, the weft yarn Y, and the pair of bias yarns B1 and B2 form a warp layer,
4 of the desired thickness consisting of a weft layer and a set of bias yarn layers
The vertical thread Z is formed in advance and the vertical thread Z is sewn into the four axial thread stack LB by stitching, so that the vertical thread doubles as a reed for the vertical thread Z. Since it does not require an insertion mechanism and does not require a step of beating, it contributes to high-density arrangement of fibers in that a gap for passage of the reed does not occur, and
It can be said that it contributes to higher density of the structure as a three-dimensional woven fabric product and acts extremely effectively in these respects.

【００２９】さらに、この発明になる三次元織物の製造
方法およびその製造装置によれば、経糸Ｘ、緯糸Ｙおよ
び一組のバイアス糸Ｂ１、Ｂ２からなる４軸糸積層体Ｌ
Ｂに対して垂直糸Ｚをステッチングにより縫い込むよう
に構成したことにより、垂直糸Ｚとして、カーボン糸、
セラミック糸あるいはその他多種類の糸をしようするこ
とができるという点においても極めて有効に作用するも
のといえる。Further, according to the method for manufacturing a three-dimensional fabric and the manufacturing apparatus therefor according to the present invention, a four-axis yarn laminated body L comprising a warp yarn X, a weft yarn Y and a set of bias yarns B1 and B2.
Since the vertical thread Z is sewn into B by stitching, the vertical thread Z is a carbon thread,
It can be said that it works very effectively in that ceramic threads or other various kinds of threads can be used.

【００３０】さらにまた、この発明によれば、４軸糸積
層体ＬＢを形成するための４軸糸積層体形成手段におけ
る枠体に対して、その外周囲に横向きに糸掛けピンを設
けたことにより、開繊した広幅の糸が使用でき、より性
能の良い三次元織物を製造することができ、その点にお
いても極めて有効に作用するものといえる。Furthermore, according to the present invention, a thread hooking pin is provided laterally on the outer periphery of the frame body in the 4-axis yarn laminate forming means for forming the 4-axis yarn laminate LB. According to this, it is possible to use wide-width yarns that have been opened, and it is possible to manufacture a three-dimensional woven fabric with better performance, and it can be said that this also works extremely effectively.

【図面の簡単な説明】[Brief description of drawings]

【図１】図１は、経糸Ｘ、緯糸Ｙ、一組のバイアス糸Ｂ
１、Ｂ２および垂直糸Ｚからなる５軸三次元織物Ｗにつ
いて、その基本的な構成例を一部破断して示す概略的な
斜視図である。FIG. 1 shows a warp yarn X, a weft yarn Y, and a set of bias yarns B.
1 is a schematic perspective view showing a basic configuration example of a 5-axis three-dimensional woven fabric W composed of 1, B2 and vertical yarns Z, partially broken away.

【図２】図２は、この発明になる三次元織物の製造方法
にあって、経糸Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ
１、Ｂ２により４軸糸積層体を形成する工程のための具
体的な装置の一実施例を示すものであって、図２Ａは、
当該４軸糸積層体形成手段の全体的な構成を示す概略的
な斜視図であり、図２Ｂは、当該４軸糸積層体形成手段
において、糸供給源からの糸を糸掛け切替手段に掛ける
状態を示す概略的な側面図であり、図２Ｃ1 〜図２Ｃ3
は、前記４軸糸積層体形成手段における糸分配ガイド部
材の詳細を示す概略的な斜視図である。FIG. 2 shows a warp yarn X, a weft yarn Y, and a set of bias yarns B in a method for producing a three-dimensional woven fabric according to the present invention.
FIG. 2A shows an example of a specific apparatus for the step of forming a 4-axis yarn laminated body by using No. 1 and B2.
FIG. 2B is a schematic perspective view showing the overall configuration of the four-axis yarn laminated body forming means, and FIG. 2B hangs the yarn from the yarn supply source on the yarn hooking switching means in the four-axis yarn laminated body forming means. 2C 1 to 2C 3 are schematic side views showing a state.
FIG. 4 is a schematic perspective view showing details of a yarn distribution guide member in the 4-axis yarn laminated body forming means.

【図３】図３は、この発明になる三次元織物の製造方法
にあって、前記４軸糸積層体の積層方向における一方の
面側から垂直糸Ｚをステッチングする工程のための具体
的な装置例を示すものであって、その全体的な構成を例
示する概略的な斜視図である。FIG. 3 is a specific diagram for the step of stitching the vertical yarn Z from one surface side in the laminating direction of the four-axis yarn laminated body in the method for producing a three-dimensional woven fabric according to the present invention. It is a schematic perspective view showing an example of the apparatus and illustrating the overall configuration thereof.

【図４】図４は、当該垂直糸ステッチング手段の主要部
の構成例を示す概略的な斜視図である。FIG. 4 is a schematic perspective view showing a configuration example of a main part of the vertical thread stitching means.

【図５】図５は、前記垂直糸ステッチング手段における
ステッチング針と、止め糸のためのレピアとの関係を示
す概略的な側断面図である。FIG. 5 is a schematic side sectional view showing a relationship between a stitching needle and a rapier for a retaining thread in the vertical thread stitching means.

【図６】図６は、レピアの往復動のためのレピア往復駆
動機構の具体的な構成例を示す概略的な斜視図である。FIG. 6 is a schematic perspective view showing a specific configuration example of a rapier reciprocating drive mechanism for reciprocating the rapier.

【図７】図７は、レピアのクランプ部の構成について、
その具体的な一実施例を示す側断面図である。FIG. 7 is a diagram showing a configuration of a rapier clamp portion;
It is a sectional side view which shows the specific one Example.

【図８】図８は、止め糸の送り出しのための制御機構に
ついて、その具体的な一実施例を示す概略的な斜視図で
ある。FIG. 8 is a schematic perspective view showing a specific example of the control mechanism for feeding the staple thread.

【符号の説明】[Explanation of symbols]

Ｘ 経糸 Ｂ1 、Ｂ2 バイアス糸 Ｙ 緯糸 Ｚ 垂直糸 Ｃｙ 経糸Ｘ、緯糸Ｙ、バイアス糸Ｂ１、Ｂ２としての
共用糸 ＬＢ ４軸糸積層体 ＬＢａ ４軸糸積層体の一方の面 ＬＢｂ ４軸糸積層体の他方の面 １ ４軸糸積層体形成手段 ２ 枠体 ４ 糸掛け切替手段（糸掛けピン） ６ 糸供給源 ７ 糸分配ガイド部材 Ｐａ パイプ状糸挿通部材 ９ Ｘ軸方向往復駆動機構 １２ Ｙ軸方向往復駆動機構 ２１ 垂直糸ステッチング手段 ２３ 垂直糸供給源 ２５ ステッチングヘッド ２６ ニードルガイドプレート ２７ 止め糸挿入手段 ２９ 垂直糸ステッチング針 ３２ 貫通孔 ３４ 止め糸 ３５ レピア ３６ スペーサプレート ３７ レピアガイドプレート ３８ レピアガイド溝 ３９ レピア駆動機構 ４０ 糸係止溝 ４１、４１ 平坦面 ４２ レピア駆動源 ４５ クランプ部 ４６ 筒状のクランパー ４７ ブレーキ部材 ４８ 止め糸送り出し制御手段X Warp yarn B 1 , B 2 Bias yarn Y Weft yarn Z Vertical yarn Cy Vertical warp yarn X, weft yarn Y, bias yarn B 1 , B 2 shared yarn LB 4-axial yarn laminated body LBa 4-axial yarn laminated surface LBb 4-axial yarn The other surface of the laminated body 1 4-axis thread laminated body forming means 2 frame 4 thread hooking switching means (thread hooking pin) 6 thread supply source 7 thread distribution guide member Pa pipe-shaped thread insertion member 9 X-axis direction reciprocating drive mechanism 12 Y-axis reciprocating drive mechanism 21 Vertical thread stitching means 23 Vertical thread supply source 25 Vertical thread supply source 25 Stitching head 26 Needle guide plate 27 Stop thread inserting means 29 Vertical thread stitching needle 32 Through hole 34 Stop thread 35 rapier 36 Spacer plate 37 Rapier guide Plate 38 Rapier guide groove 39 Rapier drive mechanism 40 Thread locking grooves 41, 41 Flat surface 42 Rapier drive source 45 Clamp portion 46 Cylindrical clamper 47 Brake member 48 Stop thread feeding control means

Claims (6)

【特許請求の範囲】[Claims] 【請求項１】 経糸Ｘ、緯糸Ｙおよび一組のバイアス糸
Ｂ１、Ｂ２により、経糸層、緯糸層および一組のバイア
ス糸層をそれぞれ複数層積層して所望厚さの４軸糸積層
体を形成する工程と、前記４軸糸積層体の積層方向にお
ける一方の面側から垂直糸Ｚをステッチングにより縫い
込む垂直糸ステッチング工程とからなり、垂直糸のステ
ッチングによって、前記経糸Ｘ、緯糸Ｙおよび一組のバ
イアス糸Ｂ１、Ｂ２を止め合わせて三次元織物を織成す
ることを特徴とする三次元織物の製造方法。1. A warp yarn X, a weft yarn Y, and a set of bias yarns B1 and B2 are used to laminate a plurality of warp layers, a weft yarn layer, and a set of bias yarn layers, respectively, to form a four-axis yarn laminate having a desired thickness. And a vertical thread stitching step in which a vertical thread Z is sewn by stitching from one surface side in the laminating direction of the 4-axis thread laminated body. The warp thread X and the weft thread are formed by stitching the vertical thread. A method for producing a three-dimensional woven fabric, which comprises weaving a Y and a set of bias yarns B1 and B2 together to form a three-dimensional woven fabric. 【請求項２】 外周囲に糸掛け切替手段を備えた枠体上
に、経糸層、緯糸層および一組のバイアス糸層を形成す
るべく、糸供給源から供給される複数の糸を、経糸層を
形成する方向、緯糸層を形成する方向および一組のバイ
アス糸層を形成する方向に方向変換して、前記複数の糸
を方向付けして分配し、４軸糸積層体を形成する４軸糸
積層体形成手段と、前記４軸糸積層体の積層方向におけ
る一方の面側から垂直糸Ｚを縫い込み、前記垂直糸Ｚに
よって、前記経糸Ｘ、緯糸Ｙおよび一組のバイアス糸Ｂ
１、Ｂ２を止め合わすための垂直糸ステッチング手段と
からなることを特徴とする三次元織物の製造装置。2. A plurality of yarns supplied from a yarn supply source to form a warp layer, a weft layer and a set of bias yarn layers on a frame body having a yarn hooking switching means on the outer periphery. The direction of forming layers, the direction of forming weft layers, and the direction of forming a set of bias yarn layers are changed, and the plurality of yarns are oriented and distributed to form a four-axis yarn laminated body 4. A vertical thread Z is sewn from one side of the axial thread laminated body forming means and one surface side in the laminating direction of the four axial thread laminated body, and by the vertical thread Z, the warp threads X, the weft threads Y and a set of bias threads B.
1. An apparatus for producing a three-dimensional woven fabric, comprising a vertical thread stitching means for stopping B1 and B2 together. 【請求項３】 前記糸掛け切替手段が、枠体の外周囲に
多数本の糸掛けピンを横向きに取り付けたものからなる
ことを特徴とする請求項２に記載の三次元織物の製造装
置。3. The apparatus for manufacturing a three-dimensional woven fabric according to claim 2, wherein the thread hooking switching means comprises a plurality of thread hooking pins laterally attached to the outer periphery of the frame body. 【請求項４】 前記垂直糸ステッチング手段が、複数の
垂直糸ステッチング針と垂直糸送り手段とを搭載するス
テッチングヘッドと、前記複数の垂直糸ステッチング針
をガイドするニードルガイドプレートとを含むものから
なり、前記垂直糸ステッチング手段の下降時に、前記ニ
ードルガイドプレートが予め先に下降して前記４軸糸積
層体を押圧し、前記垂直糸ステッチング手段の上昇時
に、前記ニードルガイドプレートが遅れて前記４軸糸積
層体から離れるように駆動制御する駆動制御手段を備え
ていることを特徴とする請求項２または請求項３に記載
の三次元織物の製造装置。4. The vertical thread stitching means includes a stitching head on which a plurality of vertical thread stitching needles and a vertical thread feeding means are mounted, and a needle guide plate which guides the plurality of vertical thread stitching needles. When the vertical thread stitching means descends, the needle guide plate previously descends to press the four-axis thread laminated body, and when the vertical thread stitching means rises, the needle guide plate. 4. The apparatus for producing a three-dimensional woven fabric according to claim 2, further comprising drive control means for controlling the drive so as to separate from the four-axis yarn laminated body with a delay. 【請求項５】 前記垂直糸ステッチング手段が、垂直糸
のステッチング毎に、前記４軸糸積層体の積層方向にお
ける他方の面側において前記垂直糸と絡み合う止め糸を
挿入するための止め糸挿入手段を備えたものからなるこ
とを特徴とする請求項２〜請求項４のいずれかに記載の
三次元織物の製造装置。5. A stop thread for the vertical thread stitching means to insert a stop thread intertwined with the vertical thread on the other surface side in the laminating direction of the four-axis thread laminated body for each stitching of the vertical thread. The device for manufacturing a three-dimensional woven fabric according to any one of claims 2 to 4, characterized by comprising an insertion means. 【請求項６】 前記垂直糸ステッチング手段における複
数の垂直糸ステッチング針が、軸方向に貫通する貫通孔
を備え、前記貫通孔内に垂直糸Ｚが挿通ガイドされるも
のからなることを特徴とする請求項２〜請求項５のいず
れかに記載の三次元織物の製造装置。6. A plurality of vertical thread stitching needles in the vertical thread stitching means are provided with through holes penetrating in the axial direction, and vertical threads Z are inserted and guided in the through holes. The apparatus for manufacturing a three-dimensional woven fabric according to any one of claims 2 to 5.
JP2002148742A 2002-05-23 2002-05-23 Method and apparatus for producing three-dimensional woven fabric Pending JP2003342856A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2002148742A JP2003342856A (en) 2002-05-23 2002-05-23 Method and apparatus for producing three-dimensional woven fabric
EP03010603A EP1365051A3 (en) 2002-05-23 2003-05-12 Three-dimensional woven fabric manufacturing method and apparatus
US10/441,013 US20030217780A1 (en) 2002-05-23 2003-05-20 Three-dimensional woven fabric manufacturing method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002148742A JP2003342856A (en) 2002-05-23 2002-05-23 Method and apparatus for producing three-dimensional woven fabric

Publications (1)

Publication Number Publication Date
JP2003342856A true JP2003342856A (en) 2003-12-03

Family

ID=29397901

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002148742A Pending JP2003342856A (en) 2002-05-23 2002-05-23 Method and apparatus for producing three-dimensional woven fabric

Country Status (3)

Country Link
US (1) US20030217780A1 (en)
EP (1) EP1365051A3 (en)
JP (1) JP2003342856A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010180505A (en) * 2009-02-05 2010-08-19 Toyota Industries Corp Apparatus for producing three-dimensional fiber structure

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7943535B2 (en) * 2005-11-17 2011-05-17 Albany Engineered Composites, Inc. Hybrid three-dimensional woven/laminated struts for composite structural applications
US7655581B2 (en) * 2005-11-17 2010-02-02 Albany Engineered Composites, Inc. Hybrid three-dimensional woven/laminated struts for composite structural applications
EP2383377B1 (en) * 2010-04-29 2012-09-26 Groz-Beckert KG Loom and method for three dimensional weaving
US8446077B2 (en) 2010-12-16 2013-05-21 Honda Motor Co., Ltd. 3-D woven active fiber composite
CA2922198C (en) * 2013-09-04 2021-06-15 Biteam Ab Method and means for weaving a 3d fabric, 3d fabric items thereof and their use
CN103911744B (en) * 2014-03-28 2016-01-27 吴世林 A kind of 3 D stereo braiding apparatus
FR3037976B1 (en) * 2015-06-29 2017-08-04 Snecma WIRE CUTTING SYSTEM FOR WEAVING AND METHOD FOR WEAVING A FIBROUS REINFORCING STRUCTURE OF COMPOSITE MATERIAL PARTS
US10590945B2 (en) 2016-08-10 2020-03-17 United Technologies Corporation Fiber composite material and preform and fan blade made therefrom
CN112680862B (en) * 2020-12-11 2022-05-24 江苏恒力化纤股份有限公司 Fabric-reinforced assault boat and preparation method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506611A (en) * 1979-10-22 1985-03-26 Hitco Three-dimensional thick fabrics and methods and apparatus for making same
US5211967A (en) * 1991-03-15 1993-05-18 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Three-dimensional fabric and method of producing the same
GB9300304D0 (en) * 1993-01-08 1993-03-03 Short Brothers Plc A three dimensional yarn structure
US5465760A (en) * 1993-10-25 1995-11-14 North Carolina State University Multi-layer three-dimensional fabric and method for producing
GB9416721D0 (en) * 1994-08-18 1994-10-12 Short Brothers Plc A bias yarn assembly forming device
EP0879910B1 (en) * 1997-05-22 2003-08-13 Mitsubishi Heavy Industries, Ltd. Biased yarn feeding apparatus for three-dimensional weaving machine
US6159239A (en) * 1998-08-14 2000-12-12 Prodesco, Inc. Woven stent/graft structure
FR2791365B1 (en) * 1999-03-22 2001-06-22 Hexcel Fabrics BIASED FABRIC, MANUFACTURING METHOD AND WEAVING MACHINE FOR CONTINUOUSLY MANUFACTURING SUCH A FABRIC
JP2000273743A (en) * 1999-03-26 2000-10-03 Toyota Autom Loom Works Ltd Apparatus for inserting yarn in thickness direction of three-dimensional fibrous structure
GB9909690D0 (en) * 1999-04-27 1999-06-23 Short Brothers Plc A multi-axial yarn structure forming machine
JP2000355849A (en) * 1999-06-10 2000-12-26 Murata Mach Ltd Preparation of three-dimensional structural material and its base fabric
US6129122A (en) * 1999-06-16 2000-10-10 3Tex, Inc. Multiaxial three-dimensional (3-D) circular woven fabric
US6555488B1 (en) * 1999-08-17 2003-04-29 North Carolina State University Three-dimensionally reinforced cellular matrix composite and method of making same
US6742547B2 (en) * 2000-09-20 2004-06-01 Bally Ribbon Mills Three-dimensional woven forms with integral bias fibers and bias weaving loom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010180505A (en) * 2009-02-05 2010-08-19 Toyota Industries Corp Apparatus for producing three-dimensional fiber structure

Also Published As

Publication number Publication date
EP1365051A3 (en) 2004-04-07
EP1365051A2 (en) 2003-11-26
US20030217780A1 (en) 2003-11-27

Similar Documents

Publication Publication Date Title
KR100444086B1 (en) Reinforcement fabric and its manufacturing method and manufacturing apparatus
JP4534409B2 (en) Multiaxial stitch base material for reinforcement, fiber reinforced plastic and method for producing the same
JP2003342856A (en) Method and apparatus for producing three-dimensional woven fabric
CN109355791B (en) A cut circle fine hair circular knitting machine for weaving high-density knitted fabric
JPH07300739A (en) Reinforcing woven fabric and method and device for producing the same
JP2003524081A (en) Method for producing multiaxial warp knitted fabric
CA2455835C (en) Tetraxial fabric and machine for its manufacture
US5791384A (en) Method, machine and diagonal pattern fabric for three-dimensional flat panel fabric
JP5029134B2 (en) Fiber bundle array device
US5038584A (en) Stitch bonded textile fabric with simusoidal bundle path
TWI522508B (en) Textile machine and textile method using the same
JP3031110B2 (en) Method and apparatus for producing preform for fiber reinforced composite material
JP2000199151A (en) Fiber arrangement of laminated yarn group of three- dimensional fiber structure and fiber-arranging apparatus
JPH04333653A (en) Tufting technique and device for executing said technique
JPS6030769B2 (en) warp knitting machine
JP2533483B2 (en) Weft warp knitting method and flat warp knitting machine therefor
KR102189178B1 (en) Three-dimensional fabric, its manufacturing system and method
EP0507558B1 (en) Full-rotation shuttle for sewing machine
JP3854575B2 (en) Partial warper for patterned warp and method for producing warp for patterned warp
JPH03220343A (en) Tri-dimensional multiaxial woven fabric structure and loom for weaving the same
JP3604339B2 (en) Three-dimensional fabric weaving equipment
EP0467936B2 (en) Method and device for manufacturing stitch bonded textiles
JP2834563B2 (en) Three-dimensional fabric laminating method and apparatus
JP2007538161A (en) Multiaxial complex
JP3076975B2 (en) 4-axis weaving loom

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040407

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050817

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20051221