WO2017009015A1 - Métier à tisser - Google Patents

Métier à tisser Download PDF

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Publication number
WO2017009015A1
WO2017009015A1 PCT/EP2016/064457 EP2016064457W WO2017009015A1 WO 2017009015 A1 WO2017009015 A1 WO 2017009015A1 EP 2016064457 W EP2016064457 W EP 2016064457W WO 2017009015 A1 WO2017009015 A1 WO 2017009015A1
Authority
WO
WIPO (PCT)
Prior art keywords
weft
fabric
weft thread
weaving machine
tissue
Prior art date
Application number
PCT/EP2016/064457
Other languages
German (de)
English (en)
Inventor
Andreas Rutz
Original Assignee
Lindauer Dornier Gesellschaft Mit Beschränkter Haftung
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 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung filed Critical Lindauer Dornier Gesellschaft Mit Beschränkter Haftung
Priority to JP2018501319A priority Critical patent/JP2018524491A/ja
Priority to US15/736,482 priority patent/US20180179675A1/en
Priority to EP16732269.2A priority patent/EP3322845A1/fr
Priority to CN201680041271.9A priority patent/CN107849761A/zh
Priority to KR1020187004053A priority patent/KR20180030623A/ko
Priority to RU2018105076A priority patent/RU2018105076A/ru
Priority to CA2990732A priority patent/CA2990732A1/fr
Priority to AU2016293350A priority patent/AU2016293350A1/en
Publication of WO2017009015A1 publication Critical patent/WO2017009015A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • 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
    • D03D41/008—Looms for weaving flat yarns
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/20—Take-up motions; Cloth beams
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/007—Fabric inspection on the loom and associated loom control
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/22—Temples
    • D03J1/223—Temples acting on the full width of cloth
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J2700/00—Auxiliary apparatus associated with looms; Weavening combined with other operations; Shuttles
    • D03J2700/06—Auxiliary devices for inspecting, counting or measuring

Definitions

  • the present invention relates to a weaving machine for the processing of tapewise weft threads - i. relatively wide and flat, band-shaped textile units, according to the preamble of claim 1.
  • a weaving machine for the processing of tapewise weft threads - i. relatively wide and flat, band-shaped textile units, according to the preamble of claim 1.
  • Shedding device, the weft insertion device and the essential parts of a trigger device known devices on weaving machines.
  • construction of a fabric of warp and weft threads in the form of tapes has been known for some time.
  • tapes are made for example of carbon rovings, which are solidified in the spread, parallelized state with an impregnation.
  • the width of such tapes is e.g. a few millimeters to more than an inch.
  • Fabrics made of carbon tapes are used, for example, for lightweight construction applications in the aircraft or motor vehicle sector.
  • weft and "tape” are used, since the invention relates to the entry of weft threads in the form of tapes.
  • warp threads can be used any threads, for example
  • Example also wide and / or thick threads, but preferably threads in the form of tapes.
  • Width direction are also arranged vertically and are entered above the existing fabric trailing edge in the shed.
  • DE 10201 1009765 B3 discloses an apparatus and a method in which the fabric is moved back in the direction of the just entered weft thread weft by a predetermined distance against the weaving direction until the front longitudinal edge of the tape and the rear fabric edge abut each other.
  • Warp threads with the weft threads by closing and opening the shed by means of the shed forming device.
  • the fabric which has now been extended by one tape width, is moved on or off a little to make room for the next weft insertion.
  • a disadvantage of such fabrics produced may be that after the Weft insertion the subsequent positioning of the tapeförnigen
  • tapes with widths of for example 20 mm - 50 mm are used. Such tapes have - caused by the nature of the
  • tapewise weft threads with specifically selected, different widths within a fabric alternately or in a predetermined sequence.
  • tapewormed wefts should exist a certain predefined distance. If the width of the tapes fluctuates, there is a risk that this distance will not be uniformly equal to the predefined value.
  • EP 183891 A1 discloses a device with sensors which measures the width of the tapes in weaving operation. Depending on the measured width special feeders for the warp threads are controlled such that the winding of the fabric without tension or even with a
  • predetermined - path feed can be moved towards each other. In this way, for example, a more closed tissue image can be obtained, for example in the event that the instantaneous width of the tap to be inserted should be reduced.
  • Control means can be given on the basis of the evaluated measurement results commands for the tissue advance, which take into account the respective actual tape width.
  • the width detection is the
  • Measuring device designed to detect other geometric measures, such as holes and / or splices in the weft, the latter caused by detachment of single or multiple filaments of the tape composite.
  • Measuring device on an optical measuring method This may in particular be an optically scanned measuring field, which preferably extends over the width of the tape.
  • a corresponding measuring device is for example a precision optical micrometer. According to an alternative, the measuring device works acoustically,
  • Another method of measurement is based, for example, on more tactile - ie non-contactless - scanning of the weft thread (tapes) to be entered.
  • the measuring device is designed such that the width of the weft to be measured before and / or during its entry is detected continuously. This way is a permanent one
  • the measuring device is preferably arranged such that it is capable of measuring width values of the weft thread to be inserted next and / or of the currently inserted weft thread, wherein the
  • the tissue is moved on this tape by a distance dependent on the evaluation result.
  • the fabric including the previously registered tape is fed in the warp direction.
  • a drivable take-off roll and advantageously also a fabric clamp are provided as part of the take-off device.
  • the tissue clamp is advantageously arranged in the region of the tissue-trailing edge extending in the weft direction and prevents the tapewormed weft threads last introduced into the tissue from being displaced during the tissue displacement.
  • Triggering device the tissue including the previously registered tap immediately move in the haul-off direction by a dependent of the evaluation result route or advance.
  • the extraction device comprises in this case a pendulum mounted and reversibly driven deflection roller, which is arranged in the fabric path between the shed or between the fabric clamp and the driven take-off roll.
  • the measuring device is on the entry side of
  • the measuring device is thus accommodated even in confined spaces and yet able to reliably detect the entire width of the weft threads.
  • the measuring device is arranged below and above the warp threads and in this case advantageously in the area of those
  • the evaluation device is preferably designed such that it
  • Minimum width and / or the maximum width of the weft thread to be entered is able to calculate. From all recorded measurement data to one Weft, these extreme values can be easily determined in order to control the trigger device according to the desired fabric image, for example, to generate a desired, constant distance between the successive weft threads. For this purpose, the maximum width of the current weft thread is determined and the
  • the evaluation device is advantageously designed such that it is able to calculate a mixed value based on a plurality of measured values of a weft thread to be introduced or inserted, in particular its average width.
  • the withdrawal device can be controlled in such a way that a uniform optical weave pattern is obtained with the spacing of the currently last inserted weft thread or tape with respect to the tissue trailing edge matched to said mean values.
  • this distance can also be set such that the respective weft thread rests against the fabric trailing edge in accordance with the determined mixed value, depending on the width variations of the tape and the contour of the rear one
  • the fabric can be moved before entry of the next weft thread by means of the controlled withdrawal device, such that the next weft thread over its entire weft length without any gap formation with the
  • Tissue trailing edge or at a distance to the tissue trailing edge is registered.
  • the evaluation device and / or the
  • Control device designed and arranged to stop at least the further weft insertion and withdrawal device when exceeding and / or falling below predetermined weft widths and / or output a predetermined signal.
  • Control means are thus preferably able to stop the weaving process on the basis of determined extreme values with regard to the tape width, in order thus to avoid faulty production.
  • the evaluation device is preferably designed such that it errors of the shot to be entered
  • holes and / or splices can detect to trigger a predetermined action of the loom in such a case.
  • Such an action may be, for example, stopping the loom
  • Figure 1 is a schematic plan view of a loom
  • FIG. 2 shows a schematic view of the loom according to FIG. 1 from the feed side of the warp threads
  • Figure 3 is a schematic cross section through the loom according to
  • FIGs 1, 2 and 3 is a loom for warp and weft threads in Shape of tapes shown schematically.
  • the tapes consist for example of carbon and / or glass fibers.
  • Such a weaving machine is also called a tape weaving machine.
  • the embodiment of the loom described here can alternatively also be used for such fabrics in which only the weft threads in
  • warp threads come in the usual thread form, but preferably in the form of coarse, that is thick and / or wide threads used. Several adjacent warp threads 1 are rotating
  • Stock spools 9 held and in the warp direction 6 (also called machine direction or Web substances) transported to a shedding device 10, 25.
  • the strands are preferably drawn in - shown schematically as a frame - WebMfte 25 and with
  • a drive 11 alternately raised or lowered, so that the guided through the strands warp threads 1 form a shed 3 in a known manner between them. If one half of the warp threads 1 are deflected in their upper maximum position and the other half in their lower maximum position, a weft thread 2 can be guided through the shed 3 thus formed.
  • a supply reel 7 rotating about an axis of rotation 8 is provided, which is placed on one side of the weaving machine.
  • the warp threads 1 can instead of the supply spools 9 alternatively also on a common storage means, e.g. a warp beam, be held up.
  • a weft insertion device 20 For insertion of a weft thread 2 in a shed 3, a weft insertion device 20 is provided which comprises a drive 22, a gripper bar 24 connected to the drive 22 and a gripper head 23 provided at the free end of the gripper bar 24.
  • the gripper bar 24 is movable by means of the drive 22 back and forth through the open compartments 3.
  • a rapier rod 24 it is alternatively also possible to use a rapier band but it may be necessary to guide it on its way through the shed.
  • the weft yarn 2 provided by the weft yarn package 7 is first held in the region of its free end by means of a clamping and cutting device 21 shown only schematically, whereupon the gripper head 23 passes through the shed 3 and grips and clamps this free end of the weft yarn 2 ,
  • the clamping and cutting device 21 in turn then lets go of the free end of the weft thread 2, so that the rapier head 23 can pull the weft thread 2 through the shed 3.
  • the shed 3 is closed by moving the warps 1 downwards and upwards, respectively.
  • the clamping and cutting device 21 clamps the weft thread 2 on the side of the weft thread bobbin 7 and separates the previously inserted weft thread 2 from the endless weft thread 2 made available by the weft thread bobbin 7.
  • Weft 2 can be funded by the shed 3.
  • Clamping and loosening of the jaws can for example be done by means of a mechanical control device which is arranged outside the shed; However, there are also pneumatic or electro-mechanical control devices possible.
  • Gripper grabbed that has not previously driven through the shed in the direction of the weft thread, but on the side of the weft yarn package is arranged there detects the weft end, transported by the shed, lets go of the weft thread and then moves back without weft in the direction of the weft yarn coil.
  • the registered weft thread 2 is still bind to the fabric 4.
  • the fabric trailing edge or the binding point 5 with the fabric 4 in the direction of the registered weft yarn 2 to move.
  • the fabric 4 is pushed over its entire width against the warp direction 6 by a backward path 38 to the previously entered weft thread 2 until, for example, the fabric trailing edge 5 bears against the longitudinal edge of said weft thread 2.
  • the tissue 4 is thereby clamped by means of a tissue clamp 36 driven by a drive 35 (see Figures 1 and 3). Subsequently, any existing clamping is lifted by the tissue clamp 36 and this still further against the
  • Warp direction 6 advanced so far that the fabric clamp 36 can grasp the said weft thread 2 and clamp. Subsequently, the fabric clamp 36 together with the clamped fabric 4 in the warp direction 6 is moved around the forward path 39, so that the next shed 3 can be formed.
  • the thus steadily growing fabric 4 is wound on a take-off roll 32 which is driven in rotation by a drive 31 about a rotation axis 33.
  • a pendulum movement of intermediate deflection rollers 34, 37 realized in Kettfadenverlauf or in the fabric progression.
  • This oscillating movement of the guide rollers 34, 37 is presently actively realized with a reversing pivot drive (not shown in the figures), the two guide rollers 34, 37 moves synchronously.
  • the take-off roll 32 and the fabric clamp 36 and possibly the guide roller 34 are part of a take-off device 30, wherein the drives this Facilities must be matched exactly. This is done by a control device 50 (see below for this in connection with the explanation of the invention).
  • the guide roller 34 is arranged in the fabric path between the shed 3 and the take-off roller 32. In this area is also the
  • Tissue clamp 36 which is preferably arranged in the region of the tissue trailing edge 5.
  • the optional Umkenkwalze 37 is disposed in the rear region of the loom between the heald frames 25 and the supply reels 9.
  • a measuring device 40 is provided for detecting geometric parameters, in particular the width, of the weft threads 2 prior to their entry into the respectively formed shed 3.
  • the measuring device 40 is provided between the weft yarn package 7 and the clamping and cutting device 21 below the weft yarn 2.
  • the measuring device 40 is based on an optical measuring principle and in this case scans the weft thread 2.
  • the Measuring device 40 may be formed as a precision optical micrometer.
  • the optical signals reflected back from the weft yarn 2 are received by the measuring device 40.
  • a receiver 41 is arranged above the weft thread 2 (shown in dashed lines in FIG. 2).
  • measuring devices 40 for detecting geometric parameters of an elongated sheet-like structure such as those of a tape are known and need not be explained in more detail here.
  • the measured values or measurement results acquired by the measuring device 40 are forwarded to an evaluation device 45, which evaluates the measurement results and forwards the results of the evaluation (which are also referred to herein as evaluated measurement results) to a control device 50.
  • the control device 50 is in communication with the extraction device 30 and controls the movements of the
  • control device 50 is connected to the drive for the pendulum movement of the guide rollers 34, 37 in conjunction and possibly with the drive 35, the
  • Tissue clamp 36 drives, as well as to the drive 31, which drives the take-off roll 32,
  • the measuring device 40 is preferably designed for continuous measurement of the geometry of the weft thread 2. Thus, all deviations from the ideal shape (width, holes, lateral flaking) are reliably detected. In this case, the measurement is preferably carried out when the weft thread 2 is guided past the measuring device 40.
  • the continuous measurement here also expediently comprises the measured values of that portion of the weft thread 2 located in the measuring range which belongs to the weft thread 2 to be inserted next), while the latter is still clamped by the clamping and cutting device 21.
  • the relevant measured values are also preferably taken into consideration by the evaluation device 45, so that measured values are present over the entire length of the weft thread 2 to be introduced next.
  • the evaluation device 45 is preferably designed such that it is able to calculate the minimum width and / or the maximum width of the weft thread to be introduced. Alternatively or additionally, the evaluation device 45 can calculate, for example, a mixed value based on a plurality of measured values of a weft thread 2, in particular its mean width value.
  • the drive of the deflection rollers 34, 37 and possibly the drive 35 of the tissue clamp 36 can be controlled by the control device 50 to the tissue 4 based on the determined weft width (for example, based on the determined extreme values for weft width or a mixed value) to drive back an adapted distance 38 against the warp direction 6.
  • the subsequent counter-movement 39 of the fabric 4 in the warp direction 6 is adjusted accordingly, so that the forward link 39 as well as the reverse link 38 varies depending on the evaluation.
  • predetermined movements of the fabric 4 are provided after each weft insertion, but adapted to the actual width of each previously entered weft yarn movements.
  • the winding of the fabric 4 on the take-off roll 32 and the pendulum movement of the guide roller 34 between take-off roll 32 and fabric clamp 36 are dependent on the currently determined Weft width controlled.
  • the drives with which the various movements of the previously described assemblies of the loom are controlled are preferably designed as individually controllable motors or motor-gearbox combinations, preferably their signals from the
  • Control device 50 get. These drives are designed so that they - as needed - perform reversing pivotal rotary or linear movements.
  • Deflection roller 34 and the tissue clamp 36 drive such that the tissue 4 is placed in a variety of ways before the next weft insertion.
  • the fabric 4 - by constantly taking into account the width of the respective weft threads 2 - has no gaps.
  • the fabric 4 will be next to each other
  • the draw-off device 30 is controlled in such a way that one or more gaps with the fabric trailing edge 5 are formed along the currently entered, width-varying weft thread 2, wherein in the remaining regions this weft thread 2 abuts the fabric trailing edge 5 and / or even with the tissue trailing edge forms 5 overlap areas.
  • the evaluation device 45 and / or the control device 50 are preferably designed and set up, at least the other one
  • the evaluation device 45 can detect defects of the weft thread 2 to be introduced, for example holes and / or splices, and can trigger a predetermined action of the weaving machine, in particular via the control unit 50.

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

Abstract

Métier à tisser comprenant un dispositif de formation de foules (10, 25) pour former des foules (3) entre les fils de chaîne (1) dévidés à partir d'une réserve de fil (9), un dispositif d'insertion de duites (20) pour l'insertion de fils de trame (2) sous forme de rubans dans les foules (3) créées, et un dispositif d'avance (30) pour avancer le tissu (4) formé par les fils de chaîne et les fils de trame après l'insertion d'une duite. Le métier à tisser comprend un dispositif de mesure (40) pour la mesure de paramètres géométriques, en particulier la largeur d'un fil de trame (2) avant son insertion dans la foule (3) ainsi qu'un dispositif d'évaluation destiné à évaluer les résultats des mesures effectuées. Un dispositif de commande (50) communiquant avec le dispositif d'avance (30) est présent sur le métier à tisser, pour régler un mouvement du tissu (4), y compris son avance, sur la base des résultats de mesure évalués.
PCT/EP2016/064457 2015-07-13 2016-06-22 Métier à tisser WO2017009015A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP2018501319A JP2018524491A (ja) 2015-07-13 2016-06-22 織機
US15/736,482 US20180179675A1 (en) 2015-07-13 2016-06-22 Weaving Machine
EP16732269.2A EP3322845A1 (fr) 2015-07-13 2016-06-22 Métier à tisser
CN201680041271.9A CN107849761A (zh) 2015-07-13 2016-06-22 纺织机
KR1020187004053A KR20180030623A (ko) 2015-07-13 2016-06-22 직조기
RU2018105076A RU2018105076A (ru) 2015-07-13 2016-06-22 Ткацкий станок
CA2990732A CA2990732A1 (fr) 2015-07-13 2016-06-22 Metier a tisser
AU2016293350A AU2016293350A1 (en) 2015-07-13 2016-06-22 Weaving machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015213015.0 2015-07-13
DE102015213015.0A DE102015213015B3 (de) 2015-07-13 2015-07-13 Webmaschine

Publications (1)

Publication Number Publication Date
WO2017009015A1 true WO2017009015A1 (fr) 2017-01-19

Family

ID=56133313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/064457 WO2017009015A1 (fr) 2015-07-13 2016-06-22 Métier à tisser

Country Status (11)

Country Link
US (1) US20180179675A1 (fr)
EP (1) EP3322845A1 (fr)
JP (1) JP2018524491A (fr)
KR (1) KR20180030623A (fr)
CN (1) CN107849761A (fr)
AU (1) AU2016293350A1 (fr)
CA (1) CA2990732A1 (fr)
DE (1) DE102015213015B3 (fr)
RU (1) RU2018105076A (fr)
TW (1) TWI599691B (fr)
WO (1) WO2017009015A1 (fr)

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RU2726078C1 (ru) * 2020-02-03 2020-07-09 Анатолий Николаевич Чистяков Способ ткачества и вертикальная ткацкая машина для его осуществления

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US11299827B2 (en) 2018-05-17 2022-04-12 James Tolle Nanoconductor smart wearable technology and electronics
EP3722470A1 (fr) * 2019-04-10 2020-10-14 Textilma AG Procédé de création commandée par modèle du point de connexion d'un fil à effet dans un tissu
KR20210123169A (ko) 2020-04-02 2021-10-13 재단법인 구미전자정보기술원 테이프형 위사의 폭 균일화 공급장치 및 상기 공급장치를 포함하는 스프레딩 토우직물 직조시스템
CN116084075B (zh) * 2023-03-06 2023-07-07 山东新科凯邦通信器材有限公司 一种基于自调节的纺织品制备系统

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WO2006075961A1 (fr) * 2005-01-17 2006-07-20 Tape Weaving Sweden Ab Procede et appareil de tissage de chaine et de trame en forme de bande et materiau ainsi realise
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DE102011009765B3 (de) 2011-01-28 2011-11-10 Lindauer Dornier Gmbh Webmaschine mit verfahrbaren Begrenzungsmitteln sowie ein Verfahren zum Herstellen eines Gewebes

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Also Published As

Publication number Publication date
CN107849761A (zh) 2018-03-27
DE102015213015B3 (de) 2016-07-07
TW201708648A (zh) 2017-03-01
CA2990732A1 (fr) 2017-01-19
RU2018105076A (ru) 2019-08-13
JP2018524491A (ja) 2018-08-30
KR20180030623A (ko) 2018-03-23
EP3322845A1 (fr) 2018-05-23
AU2016293350A1 (en) 2018-01-18
US20180179675A1 (en) 2018-06-28
TWI599691B (zh) 2017-09-21

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