EP2994562B1 - Verfahren zur herstellung eines gewebes - Google Patents

Verfahren zur herstellung eines gewebes Download PDF

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Publication number
EP2994562B1
EP2994562B1 EP14722657.5A EP14722657A EP2994562B1 EP 2994562 B1 EP2994562 B1 EP 2994562B1 EP 14722657 A EP14722657 A EP 14722657A EP 2994562 B1 EP2994562 B1 EP 2994562B1
Authority
EP
European Patent Office
Prior art keywords
fabric
weft
unit
angle
warp threads
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.)
Active
Application number
EP14722657.5A
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German (de)
English (en)
French (fr)
Other versions
EP2994562A1 (de
Inventor
Frank Thiel
Alexander EHRLICH
Christian Hartmann
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.)
Mehler Engineered Products GmbH
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Mehler Engineered Products GmbH
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Filing date
Publication date
Application filed by Mehler Engineered Products GmbH filed Critical Mehler Engineered Products GmbH
Publication of EP2994562A1 publication Critical patent/EP2994562A1/de
Application granted granted Critical
Publication of EP2994562B1 publication Critical patent/EP2994562B1/de
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Classifications

    • 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
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms

Definitions

  • the invention relates to a method for producing a fabric, wherein in each case a weaving step by means of warp threads a shed is formed, in which a weft thread is introduced and the weft thread is pushed by means of a reed in the direction of a fabric edge.
  • Weaving machines for the production of fabrics and such fabrics are known from the prior art.
  • weaving at least two thread systems are crossed at right angles, where one thread system is the warp system and the other thread system is the shot system.
  • Prestressed warp threads form a carrier in which successive weft threads are drawn from one edge of the fabric to the other through an entire weaving width, which is formed by means of the warp threads.
  • Weaving machines are generally used for the industrial production of fabrics. The warp threads are guided from a rear side of the weaving machine to, the weft threads are respectively entered from one side to the other between the warp threads, the so-called shed. In a finished fabric, the warp threads are held together by means of the weft threads.
  • the US 1,280,461 A1 describes a device for producing a fabric with warp threads, which form a shed, and weft threads, which are introduced by means of a weft insertion device in the shed. Furthermore, a reed for stopping the weft threads in the direction of a fabric edge is provided.
  • the weft insertion device is designed such that an angle for insertion of the weft thread and for striking it in a range of approximately 45 ° is adjustable. For this purpose, a guided in oblong holes screw is provided.
  • a method for producing a fabric is known from FR 2 499 107 A1 known, by means of a weft insertion device an angle to the entry of the weft thread and for striking the same is set.
  • the invention has for its object to provide a comparison with the prior art improved method for producing a fabric.
  • a method for producing a fabric provides that in each case a weaving step by means of warp threads a shed is formed, in which a weft thread is entered and the weft thread is pushed by means of a reed in the direction of a fabric edge.
  • an angle to the entry of a weft thread is adjusted variably by means of a weft insertion device.
  • the angle of the weft thread to be introduced in relation to the warp threads between 40 ° and 90 ° is adjusted by means of an adjusting unit.
  • the weft insertion device is positioned by means of an electric drive via a gear with respect to the predetermined angle.
  • the weft threads are woven according to this angle in the tissue.
  • the weft threads form a reinforcement of the fabric and not the warp threads.
  • the weft insertion device is positioned by means of a rotary plate on which the weft insertion device can be arranged, and by means of a ring gear.
  • a scale can be provided by means of which the angle set in each case is displayed.
  • an angle for striking the weft thread to the fabric edge in relation to the warp thread is also set variably.
  • the weft thread is thus not only introduced according to the set angle in the shed, but also struck at this angle to the fabric edge of the fabric, whereby the fabric is particularly advantageously formed homogeneous.
  • the adjustment unit is automatically shifted in the direction of the warp threads as a function of a length of the fabric, so that no personnel deployment is required for positioning the adjustment unit. moreover Because of the automatic positioning, the adjustment unit is always in an optimum position with respect to the shed to register the next weft.
  • An abutment movement of the reed to the fabric edge is preferably generated by means of at least one cylinder-piston unit of the adjustment, so that the respective weft thread is struck regardless of the setting of the angle exactly to the fabric edge, whereby the fabric is formed uniformly.
  • the at least one cylinder-piston unit is pneumatically actuated, whereby a piston for generating the stop movement is moved by means of compressed air from a cylinder of the cylinder-piston unit.
  • the weft insertion device is displaced in the direction of the warp threads as a function of a length of the fabric, whereby the respective weft thread is optimally inserted into the shed.
  • the weft insertion device in this embodiment is coupled to the adjustment unit, so that both the weft insertion device and the adjustment unit can be displaced and optimally positioned depending on the length of the tissue.
  • the weft insertion device and / or the adjustment unit are or will be controlled by means of a control unit.
  • an automatic positioning of the adjustment unit relative to the fabric edge is performed on the basis of detected signals of a detection unit.
  • the detection unit is preferably connected to the control unit, so that the positioning of the adjustment unit can be carried out automatically on the basis of detected signals of the detection unit.
  • FIG. 1 shows an adjustment 1 of an in FIG. 2 shown device 2 for producing a fabric 3 with oblique weft threads 3.1.
  • the warp threads 3.2 are stretched and fixed to the weaving machine, wherein by means of the warp threads 3.2 in each case a weaving step, a shed is formed, in which a weft 3.1 is introduced and guided by a fabric edge to the opposite edge of the fabric.
  • a weft threads 3.1 extend at right angles to the warp threads 3.2, which form a reinforcement of the fabric 3.
  • Such exported fabric 3 are diagonally cut in the rubber industry with a predetermined angle and then tailored as parallelograms fabric layers are then joined together, in particular by gluing. As a result, unwanted joints and / or bumps may arise, for example by means of such assembled fabric layers tires and tubes are made.
  • the weft threads 3.1 are introduced into the shed at a predetermined angle between 40 ° and 90 ° to the warp threads 3.2.
  • the weft thread 3.1 introduced in each case with the predetermined angle also hits the fabric edge of the fabric 3 at this angle by means of a reed 4.
  • the device 2 for producing a fabric 3 has an in FIG. 2 Weft insertion device 4 shown in detail, which is connected to the adjustment unit 1.
  • the adjusting unit 1 is arranged above the warp threads 3.2 and has two cylinder-piston units 6, wherein in each case a cylinder-piston unit 6 is coupled to one end 5.1 of the reed 5.
  • a piston 6.1 is coupled to the reed 5, wherein the cylinders 6.2 are attached to a retaining element not shown in detail.
  • a threaded rod for adjusting the position of the two cylinder-piston units 6 is arranged between the holding element and the respective cylinder-piston unit 6 to each other.
  • the cylinder-piston units 6 are pneumatically, so by means of compressed air, operable.
  • the cylinder-piston unit 6 may also be actuated hydraulically, by a motor and / or in any other suitable manner.
  • an angle of the reed 5 with respect to the warp threads 3.2 is adjustable, so that the respective inserted into the shed weft 3.1 by means of the reed 5 this angle corresponding to the Fabric edge is struck.
  • an angle between 40 ° and 90 ° is adjustable, so that the weft threads 3.1 are einwebbar obliquely into the fabric 3.
  • the reed 5 is moved by means of the adjustment unit 1 such that the respective weft thread 3.1 is struck securely regardless of the set angle to the fabric edge.
  • the pistons 6. 1 can be moved out of the cylinder 6. 2 and retracted, whereby the reed 5 exerts a forward and backward movement and strikes the weft thread 3.1 introduced in the respective weaving step against the fabric edge to form the fabric 3.
  • the back and forth movement of the reed 5 is carried out in the direction of the course of the warp threads 3.2, so that the warp threads 3.2 are guided linearly.
  • a travel path of the pistons 6.1 for striking the weft threads 3.1 is for example between 7 cm and 10 cm, so that the respective piston 6.1 between 7 cm and 10 cm from the cylinder 6.2 can be moved out.
  • the two cylinder-piston units 6 are controlled via signals of a detection unit, not shown, in particular a proximity switch, which may be arranged on a secondary shaft of the device 2.
  • the holding element to which the cylinders 6.2 of the cylinder-piston units 6 are fastened, is arranged displaceably on the device 2, so that the adjusting unit 1 can be positioned corresponding to the length of the fabric 3.
  • the adjustment unit 1 with a control unit, not shown connected and is controlled by means of this, so that the positioning of the adjustment unit 1 takes place automatically.
  • the reed 5 is connected to a so-called batten, which is part of the weft insertion device 4, as in FIG. 2 is shown.
  • the weft insertion device 4 is designed as a so-called gripper device.
  • the gripper device has a donor gripping element 4.1 and a slave gripping element 4.2.
  • the weft 3.1 is fixed to the entry in the shed and is guided by means of the encoder-gripping element 4.1 to the middle of the shed. There, a transfer of the weft thread 3.1 to the slave gripper element 4.2, by means of which the weft thread 3.1 to the fabric edge is feasible.
  • the sley and the reed 5 are formed as a component and positioned by means of the adjusting unit 1 at a predetermined angle between 40 ° and 90 ° to the warp threads 3.2. As a result, the weft 3.1 is entered at this angle in the shed and posted by means of the reed 5 to the fabric edge.
  • the weft insertion device 4 can be positioned by means of an electric drive via a gear with respect to the predetermined angle, wherein the weft insertion device 4 and the adjustment unit 1 can be arranged on a rotary plate which is coupled to a ring gear to adjust the corresponding angle.
  • a scale is provided, by means of which the respective currently set angle can be displayed.
  • the apparatus 2 for producing the fabric 3 comprises a warp thread 7, the weft insertion device 4, on which a Kettfadenhebevorraum 8 is arranged, a fabric take 9, a goods stand 10 and a winding device 11 for winding the finished Fabric 3, wherein the cylinder-piston units 6 and the reed 5 are not shown.
  • the warp threads 3.2 are provided stretched for the weaving process, wherein the warp threads 3.2 extend over a predetermined portion of the device 2.
  • the weft insertion device 4 is controlled by the control unit and automatically positioned depending on the length of the fabric 3.
  • the weft insertion device 4 has the warp thread lifting device 8, by means of which a predetermined number of warp threads 3.2 can be raised to form the shed for inserting a weft thread 3.1.
  • the shed as well as the weft insertion device 4 extends obliquely to the warp threads 3.2.
  • weft insertion device 4 is coupled to the adjusting unit 1, not shown, wherein the adjusting unit 1 is arranged parallel to the weft insertion device 4.
  • the finished fabric 3 is removed from the device 2 and can be supplied via the goods level 10 of the winding device 11 for winding up the fabric 3.
  • the warp thread system 7 and the fabric take-off 9 are firmly positioned and communicatively connected with each other, so that it is possible to weave the fabric 3 with a predetermined weft thread density and warp tension.
  • the winding device 11 may, for example, be designed as a vertical winder or as a center winder, wherein the winder 10 is arranged parallel to the fabric take-off 9.
  • the weft thread insertion device 4 with the warp thread lifting device 8 and the adjusting unit 1 can be adjusted between 40 ° and 90 ° to the warp threads 3.2.
  • the adjustment of the angle is preferably carried out automatically by means of the control unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
EP14722657.5A 2013-05-08 2014-05-07 Verfahren zur herstellung eines gewebes Active EP2994562B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013208452.8A DE102013208452A1 (de) 2013-05-08 2013-05-08 Verfahren zur Herstellung eines Gewebes
PCT/EP2014/059296 WO2014180880A1 (de) 2013-05-08 2014-05-07 Verfahren zur herstellung eines gewebes

Publications (2)

Publication Number Publication Date
EP2994562A1 EP2994562A1 (de) 2016-03-16
EP2994562B1 true EP2994562B1 (de) 2018-03-21

Family

ID=50685918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14722657.5A Active EP2994562B1 (de) 2013-05-08 2014-05-07 Verfahren zur herstellung eines gewebes

Country Status (8)

Country Link
US (1) US20160083875A1 (zh)
EP (1) EP2994562B1 (zh)
CN (1) CN105247123A (zh)
BR (1) BR112015027766A2 (zh)
DE (1) DE102013208452A1 (zh)
HK (1) HK1213957A1 (zh)
MX (1) MX2015015440A (zh)
WO (1) WO2014180880A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105887288B (zh) * 2016-05-12 2017-12-08 中材科技股份有限公司 一种新型纤维层连结构预成型体
EP3722470A1 (de) * 2019-04-10 2020-10-14 Textilma AG Verfahren zum mustergesteuerten ausbilden des anbindungspunktes eines effektfadens im gewebe

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US212120A (en) * 1879-02-11 Improvement in expansible weaverss reeds
US811597A (en) * 1905-06-09 1906-02-06 Francisque Voland Loom.
US1208461A (en) * 1916-04-26 1916-12-12 Francois Blanc Classifying apparatus for coal, ores, and other materials.
US1280461A (en) * 1918-03-15 1918-10-01 Cyrus Hoyt Heilig Loom.
US2113492A (en) * 1935-04-03 1938-04-05 Ch Philippe & Cie Soc Means for the manufacture of fabrics with bias weft
US3132671A (en) * 1956-11-20 1964-05-12 Raymond Dev Ind Inc Methods of and apparatus for weaving shaped fabrics and articles woven thereby
NL6606476A (zh) * 1966-05-12 1967-11-13
FR2499107A1 (fr) * 1981-02-02 1982-08-06 Brunon Anc Tissages Andre Ruban deformable a trame en biais pour border les vetements
US4790898A (en) * 1982-07-19 1988-12-13 The Boeing Company Method and apparatus for fiber lamination
DE3931066A1 (de) * 1989-09-13 1991-03-21 Norddeutsche Faserwerke Gmbh Kantensteuerungsvorrichtung
JPH04100955A (ja) * 1990-08-08 1992-04-02 Nippon Oil Co Ltd 厚地織物用オサ打ち装置
US5465762A (en) * 1994-06-10 1995-11-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Adjustable reed for weaving net-shaped tailored fabrics
AU7296398A (en) * 1997-05-11 1998-12-08 B.F. Goodrich Company, The Seatbelt system having seamless inflatable member
JP2000110048A (ja) * 1999-08-06 2000-04-18 Fukui Prefecture 開繊糸織物
CN1273666C (zh) * 2002-04-10 2006-09-06 葛荣德 梭织物经纱曲线织造方法及其织物产品
EP1600537A1 (en) * 2004-05-27 2005-11-30 Luigi Omodeo Zorini Needle loom
JP4521757B2 (ja) * 2004-11-12 2010-08-11 財団法人新産業創造研究機構 筬打ち装置
KR200444432Y1 (ko) * 2008-07-22 2009-05-14 (주)벨텍코리아 바이어스 직물 제직용 에어제트직기

Also Published As

Publication number Publication date
WO2014180880A1 (de) 2014-11-13
BR112015027766A2 (pt) 2017-08-29
US20160083875A1 (en) 2016-03-24
EP2994562A1 (de) 2016-03-16
HK1213957A1 (zh) 2016-07-15
DE102013208452A1 (de) 2014-11-13
MX2015015440A (es) 2016-08-03
CN105247123A (zh) 2016-01-13

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