EP3485070B1 - Metier a aiguilles pour tisser des rubans - Google Patents

Metier a aiguilles pour tisser des rubans Download PDF

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Publication number
EP3485070B1
EP3485070B1 EP17731605.6A EP17731605A EP3485070B1 EP 3485070 B1 EP3485070 B1 EP 3485070B1 EP 17731605 A EP17731605 A EP 17731605A EP 3485070 B1 EP3485070 B1 EP 3485070B1
Authority
EP
European Patent Office
Prior art keywords
weft
weft thread
reed
needle
weaving loom
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
EP17731605.6A
Other languages
German (de)
English (en)
Other versions
EP3485070A1 (fr
Inventor
Bernhard Engesser
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.)
Textilma AG
Original Assignee
Textilma AG
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 Textilma AG filed Critical Textilma AG
Publication of EP3485070A1 publication Critical patent/EP3485070A1/fr
Application granted granted Critical
Publication of EP3485070B1 publication Critical patent/EP3485070B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00—Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • 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
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/06—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a pivoted needle having a permanently-threaded eye
    • 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
    • D03D47/02—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks
    • D03D47/10—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein loops of continuous weft thread are inserted, i.e. double picks by a forked needle pushing loop of weft through shed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02—Arrangements for handling screws or nuts
    • B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
    • B25B23/103—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means for gripping threaded studs
    • 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
    • D03D47/38—Weft pattern mechanisms

Definitions

  • the invention relates to a needle ribbon loom according to the preamble of claim 1.
  • Needle ribbon looms are used to weave ribbons, mostly with widths of up to approx. 40 cm, and insert the weft thread into the open shed using a weft needle.
  • a weaving machine in which, as usual, the drive of the weft insertion needle is connected to the main shaft of the weaving machine by means of mechanical coupling, is from the CH 633 331 A known.
  • Weft insertion needles of a ribbon loom usually make a sickle-shaped movement, which - as in the CH 633 331 A - comes from the back and forth pivoting movement derived from the main shaft of the loom.
  • Such a weaving machine has certain limits for certain applications.
  • One such application is the manufacture of tape with varying bandwidth.
  • FIG 1a a weft insertion device of the known type is shown in which the weft head is fixed, while the reed and the knitting needle are displaceable according to the desired bandwidth.
  • Figure 1a Figure 10 shows the weft insertion device in the wide tape mode. The maximum bandwidth is woven, the reed is lowered and the knitting needle is positioned maximally to the right. When weft insertion, the weft needle moves beyond the knitting needle to the right so that the weft thread is reliably inserted into the knitting needle. The maximum weft thread tension is slightly higher than the weft thread tension at the reed stop.
  • the weft thread tension on the thread guide 3 can be kept at a value between 0.5 N and 0.15 N over the entire phase of the weaving process from 0 ° to 360 °. This area appears acceptable, whereby a thread breakage is not to be feared in the upper area, while a residual tension remains in the lower area when the reed hits the woven material, which guarantees the necessary tightening of the weft thread. If the width of the tape to be woven is to be reduced, i.e.
  • the woven material is narrower, as is provided, for example, in watch straps, wearers of tops - especially women's tops - suspenders, etc.
  • the weft thread insertion device of the known type is in a state according to Figure 1c set or carried out.
  • the minimum bandwidth is woven.
  • the reed is raised to the maximum.
  • the knitting needle is positioned maximally to the left.
  • the weft needle moves too far beyond the knitting needle when weft insertion (dimension e).
  • the ratio of the maximum weft tension to the blade stop weft tension becomes unfavorable, as can be seen from Figure 1d results.
  • weft transport speed is set in such a way that the maximum weft tension does not increase, the weft thread tension decreases when the reed is hit. However, if the weft transport speed is set in such a way that the weft thread tension remains unchanged when the reed is hit, the maximum weft tension increases to a value that can lead to thread breakage ( Figure 1e ).
  • a needle loom of the generic type is in the CN 203 212 741 U described. This comprises a weaving point at which the warp threads (4) can be woven together by means of at least one weft thread, a device for feeding the warp threads, a device for feeding the at least one weft thread, and also comprises a shedding device for forming a shed from the warp threads, as well as at least a weft insertion needle for inserting at least one weft thread loop into the shed, as well as a reed for beating up the weft thread loop and at least one knitting device with which the at least one weft thread is knitted on the side remote from the weft.
  • the object of the invention is to design the weft insertion in a needle ribbon loom in such a way that a transition from the wide ribbon to a narrower ribbon is possible without any problems and the weaving defects in weaving machines in which the weft thread is tied off by a knitting thread using a knitting needle is avoided become.
  • two weft thread insertion needles which can be inserted into the weft shed in opposite directions, are provided for inserting two weft thread loops into the shed and two knitting devices, with each of which a weft thread is knitted on the respective side away from the weft.
  • the “weft thread loop” denotes that section of a weft thread which is worked into the warp threads from the insertion side to the knitting device and back.
  • a weft insertion needle and a knitting device are each arranged on a common carrier that can be displaced in and against the weft direction.
  • the two carriers with their assigned weft insertion needles and knitting devices are arranged in such a way that the carriers with their assigned weft insertion needles and knitting devices can be shifted independently of one another, preferably by staggering the heights of the carriers.
  • the reed will have a different distance between the reed teeth in the upper area than in the lower area and its height will continue to be displaceable in its height for beating up the woven material of variable width.
  • the reed can also be displaced in or against the weft direction. If the height of the reed is displaceable and can be pivoted about an axis directed in the weft direction for hitting the woven material, it can also be advantageous if the axis can be moved in or against the warp thread direction to compensate for the different stop angles when moving the height of the reed.
  • the needle ribbon loom preferably has electromechanical actuating drives for shifting the carrier (s) and for shifting the reed in height and laterally in or against the weft direction.
  • electromechanical actuating drives for shifting the carrier (s) and for shifting the reed in height and laterally in or against the weft direction.
  • it will advantageously also have a control device for controlling the aforementioned electromechanical actuators. This control can be freely programmable so that no restrictions are necessary with regard to the operating mode.
  • FIG. 2 a simple embodiment of the present invention is shown by means of the essential elements.
  • the weft thread insertion is provided from the left through the weft thread insertion needle 10, the weft thread insertion needle 10 and the (first) knitting needle 10b, with which the weft thread 14 is meshed after the weft thread insertion, is arranged on a common carrier 10c that is displaceable in and opposite to the weft insertion direction x and the weft insertion needle 10 is driven by a rotary actuator 30 by means of a toothed belt drive 34.
  • a drive via the main shaft of the loom is nevertheless possible and practically equivalent.
  • the process of weft insertion is shown schematically from above.
  • the axis 11 of the weft thread insertion needle 10 or its rotary bearing and the associated knitting needle 10b or its linear bearing are firmly connected to one another by the bracket 32.
  • An additional drive moves the knitting needle 10b back and forth in the y direction (warp thread direction) in order to fetch the weft thread and interlace it with the previous weft.
  • This additional drive or the meshing process are not shown here.
  • Figure 2a the point in time of the beating of the reed 20 is shown at which the weft thread insertion needle 10 has emerged from the shed 8, the reed 20 strikes the weft on the woven material 9 and the knitting needle 10b is pulled in front of the reed beating point.
  • FIG 3 shows the corresponding weft insertion device for weft insertion from the right.
  • the weft insertion needle 16 and the (first) knitting needle 16b, with which the weft thread 15 is meshed after the weft insertion, are arranged on a common carrier 16c that can be displaced in and opposite to the weft insertion direction x, the weft insertion needle 16 in turn by means of a toothed belt drive 34 from a rotary actuator 31 is driven about an axis of rotation 13.
  • the process of weft insertion is shown schematically from above. Compared to the weft insertion from the left, the connecting bracket 33 is arranged here mirror-inverted.
  • the point in time of the open shed is shown at which the weft thread insertion needle 16 has passed through the shed 8, the reed 20 has moved back and the knitting needle 16b is extended for the purpose of receiving the weft thread 15.
  • the weft thread tension increases when the reed is hit because the weft thread is pulled further to the left by the weft needle.
  • the ratio of the total route ABD to route AD is got bigger.
  • Figures 5 to 9b a second embodiment is described with double-sided weft insertion from the left and right.
  • Figure 5 shows the device when the band (woven fabric 9) becomes wide.
  • the reed 20 is lowered, the shooting heads are moved together.
  • Figure 6 is shown accordingly when the band becomes narrow.
  • the reed 20 is raised, the shooting heads are moved apart.
  • the device is practically a combination of the devices according to Figures 2 and 3 . It should be noted, however, that the two device parts must not interfere with one another.
  • the solution for this is in the Figures 7a and 7b shown, namely a height graduation of the corresponding device parts, as far as they could interfere.
  • the connecting brackets 32 and 33 including the associated components - knitting needles 10b and 16b, weft needles 10 and 16, drive motors 30 and 31 - must be staggered in height. In addition, they must leave enough space so that the weft needles / weft levers can swivel freely.
  • the firing axes are again driven, for example, by a toothed belt drive from one servo motor 30 and 31 each, which transmit their rotational movement to a toothed pinion on the firing axes.
  • both a symmetrical and an asymmetrical bandwidth variation can be set, as with the aid of the Figures 8a, 8b (symmetrical bandwidth variation) and 9a, 9b (asymmetrical bandwidth variation).
  • the reed is in the lowest z-position, so that the warp threads are spread out to the maximum at the reed attachment point and consequently the bandwidth is maximized.
  • the two weaving heads with their associated knitting needles are positioned in the x direction so that the bandwidth is maximal.
  • the reed is in the uppermost z-position, so that the warp threads 4 are minimally spread at the reed beating point and consequently the bandwidth is minimal.
  • the two weaving heads with their associated knitting needles 10b and 16b are moved apart in the x direction by the same distance, so that the bandwidth is minimal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Woven Fabrics (AREA)
  • Knitting Machines (AREA)

Claims (8)

  1. Machine à aiguilles pour tisser des rubans comportant une zone de tissage (20) dans laquelle les fils de chaîne (4) sont tissés avec au moins un fil de trame (14, 15), un dispositif d'alimentation des fils de chaîne (4), un dispositif d'alimentation d'au moins un fil de trame (14, 15) ainsi qu'un dispositif de formation de foule pour former une foule (8) avec les fils de chaîne (4) ainsi qu'au moins une aiguille à insérer la trame (10) pour introduire au moins une boucle de fil de trame dans la foule (8) et un peigne (20) pour battre la boucle de fil de chaîne et au moins un dispositif de tricotage (10b, 16b) pour tricoter au moins un fil de trame (14, 15) sur le côté de dépose du fil de trame,
    métier à tisser caractérisé en ce que
    au moins une aiguille à insérer la trame (10, 16) et au moins le dispositif de tricotage (10b, 16b) sont prévus sur un support commun (10c, 16c) coulissant en commun dans la direction de trame (x) et dans la direction opposée.
  2. Métier à tisser à aiguilles pour tisser des rubans selon la revendication 1,
    caractérisé en ce qu'il comporte
    deux aiguilles d'insertion de fil de trame (10, 16) s'introduisant en sens opposé dans la foule pour introduire deux boucles de fil de trame dans la foule (8) et deux dispositifs de tricotage (10b, 16b) pour tricoter chaque fois un fil de trame (14, 15) respectif sur le côté respectif de dépôt du fil de trame, et chaque fois une aiguille à insérer la trame (10, 16), un dispositif de tricotage (10b, 16b) étant prévu sur un support (10c, 16c) commun, coulissant dans la direction de trame (x) et dans la direction opposée.
  3. Métier à tisser à aiguilles pour tisser des rubans selon la revendication 2,
    caractérisé en ce que
    les deux supports (10c, 16c) et leur aiguille d'insertion de fil de trame (10, 16) et leur dispositif de tricotage (10b, 16b) sont disposés pour que les supports (10c, 16c) avec leur aiguille à insérer la trame (10, 16) et les dispositifs de tricotage (10b, 16b) associés, puissent coulisser indépendamment l'un de l'autre, de préférence par un échelonnement en hauteur des supports (10c, 16c).
  4. Métier à tisser à aiguilles pour tisser des rubans selon l'une des revendications 1 à 3,
    caractérisé en ce que
    le peigne (20) a une distance entre les dents du peigne (21) dans sa zone supérieure autre que dans sa zone inférieure et le peigne (20) peut être coulissé en hauteur pour modifier sa hauteur de frappe du produit tissé à une largeur variable (9).
  5. Métier à tisser à aiguilles pour tisser des rubans selon la revendication 4,
    caractérisé en ce que
    le peigne (20) est coulissant à la fois en hauteur et dans ou contre la direction du fil de trame (x).
  6. Métier à tisser à aiguilles pour tisser des rubans selon l'une des revendications précédentes,
    caractérisé en ce qu'il comporte
    des actionneurs électromécaniques pour coulisser le ou les supports (10c, 16c).
  7. Métier à tisser à aiguilles pour tisser des rubans selon l'une des revendications précédentes 5 ou 6,
    caractérisé en ce qu'il comporte
    un actionneur d'entraînement électromécanique pour coulisser le peigne en hauteur et aussi latéralement dans la direction de trame (x) et dans la direction opposée.
  8. Métier à tisser à aiguilles pour tisser des rubans selon l'une des revendications précédentes 6 ou 7,
    caractérisé en ce qu'il comporte
    une installation de commande pour commander les entraînements électromécaniques cités ci-dessus.
EP17731605.6A 2016-07-13 2017-06-26 Metier a aiguilles pour tisser des rubans Active EP3485070B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16179210.6A EP3269855A1 (fr) 2016-07-13 2016-07-13 Metier a aiguilles pour tisser des rubans
PCT/EP2017/065746 WO2018010944A1 (fr) 2016-07-13 2017-06-26 Métier à tisser à aiguilles pour tissus étroits

Publications (2)

Publication Number Publication Date
EP3485070A1 EP3485070A1 (fr) 2019-05-22
EP3485070B1 true EP3485070B1 (fr) 2020-09-02

Family

ID=56409560

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16179210.6A Withdrawn EP3269855A1 (fr) 2016-07-13 2016-07-13 Metier a aiguilles pour tisser des rubans
EP17731605.6A Active EP3485070B1 (fr) 2016-07-13 2017-06-26 Metier a aiguilles pour tisser des rubans

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16179210.6A Withdrawn EP3269855A1 (fr) 2016-07-13 2016-07-13 Metier a aiguilles pour tisser des rubans

Country Status (7)

Country Link
US (1) US11149364B2 (fr)
EP (2) EP3269855A1 (fr)
JP (1) JP2019525015A (fr)
CN (1) CN109563656B (fr)
ES (1) ES2827014T3 (fr)
TW (1) TWI752972B (fr)
WO (1) WO2018010944A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11913143B2 (en) 2019-03-08 2024-02-27 Apple Inc. Fabric with electrical components

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB781256A (en) * 1955-07-27 1957-08-14 Carl Freeman Libby Improvements relating to narrow web looms
GB1311802A (en) * 1970-01-20 1973-03-28 French & Sons Thomas Curtain heading tape
GB1482927A (en) * 1974-03-21 1977-08-17 French & Sons Thomas Narrow fabrics
CH633331A5 (de) 1978-10-25 1982-11-30 Textilma Ag Nadelbandwebmaschine.
ES479895A1 (es) * 1979-04-24 1980-02-01 Aurofil S A Maquina de tejer cintas automaticas.
FR2554463B1 (fr) * 1983-11-03 1986-08-14 Faure Roux Sangles tissees avec retrecissements transversaux localises, obtenues sur metiers automatiques a faucilles et leur procede de realisation
JPH06212537A (ja) * 1993-01-19 1994-08-02 Yoshida Kogyo Kk <Ykk> 織 機
TW512190B (en) * 2000-04-11 2002-12-01 Textilma Ag Narrow fabric needle loom for producing a strip-shaped tissue and corresponding strip-shaped tissue
CN2628555Y (zh) * 2003-06-27 2004-07-28 王学培 织带幅边纬纱张力控制装置
FR2870548B1 (fr) * 2004-05-19 2006-06-30 Staubli Lyon Sa Dispositif d'entrainement d'aiguilles de maillage et metier a tisser equipe d'un tel dispositif
DE102004059780B4 (de) * 2004-12-07 2020-10-15 Kikuchi Kogyo Co., Ltd. Verfahren zur Herstellung eines auf Nadelwebmaschinen gewebten Bandes mit webtechnisch gleichen Kanten
KR101246426B1 (ko) * 2005-10-06 2013-03-21 텍스틸마 악티엔게젤샤프트 리본을 직조하기 위한 니들 리본 직조기
BRPI0520794A2 (pt) * 2005-12-23 2009-05-26 Textilma Ag tear de agulhas para fitas para produção de uma fita, especialmente de uma fita de etiquetas, com um fio condutor entretecido, especialmente fio de antena
TW200825231A (en) * 2006-09-05 2008-06-16 Textilma Ag Ribbon needle loom
CN203212741U (zh) * 2013-02-20 2013-09-25 纪美惠 机械式宽窄织带机
CN203212740U (zh) * 2013-02-20 2013-09-25 纪美惠 电子式宽窄织带机
CN204959185U (zh) * 2015-08-17 2016-01-13 厦门软件职业技术学院 不锈钢纤维宽窄织带一次成型装置

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CN109563656B (zh) 2021-02-05
TWI752972B (zh) 2022-01-21
CN109563656A (zh) 2019-04-02
ES2827014T3 (es) 2021-05-19
US20190376213A1 (en) 2019-12-12
TW201805498A (zh) 2018-02-16
WO2018010944A1 (fr) 2018-01-18
EP3485070A1 (fr) 2019-05-22
JP2019525015A (ja) 2019-09-05
US11149364B2 (en) 2021-10-19
EP3269855A1 (fr) 2018-01-17

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