EP2059633B1 - Métier à tisser les rubans à aiguilles - Google Patents

Métier à tisser les rubans à aiguilles Download PDF

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Publication number
EP2059633B1
EP2059633B1 EP07763934A EP07763934A EP2059633B1 EP 2059633 B1 EP2059633 B1 EP 2059633B1 EP 07763934 A EP07763934 A EP 07763934A EP 07763934 A EP07763934 A EP 07763934A EP 2059633 B1 EP2059633 B1 EP 2059633B1
Authority
EP
European Patent Office
Prior art keywords
weft
weft thread
needle loom
spring
ribbon
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.)
Not-in-force
Application number
EP07763934A
Other languages
German (de)
English (en)
Other versions
EP2059633A1 (fr
Inventor
Philippe Ankli
Stefan Lenzin
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 EP2059633A1 publication Critical patent/EP2059633A1/fr
Application granted granted Critical
Publication of EP2059633B1 publication Critical patent/EP2059633B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00Forwarding filamentary material
    • B65H51/20Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • B65H51/205Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage by means of a fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/20Co-operating surfaces mounted for relative movement
    • B65H59/26Co-operating surfaces mounted for relative movement and arranged to deflect material from straight path
    • B65H59/32Co-operating surfaces mounted for relative movement and arranged to deflect material from straight path the surfaces being urged away from each other
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D35/00Smallware looms, i.e. looms for weaving ribbons or other narrow fabrics
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34Handling the weft between bulk storage and weft-inserting means
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34Handling the weft between bulk storage and weft-inserting means
    • D03D47/36Measuring and cutting the weft
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34Handling the weft between bulk storage and weft-inserting means
    • D03D47/36Measuring and cutting the weft
    • D03D47/368Air chamber storage devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a needle ribbon loom according to the preamble of claim 1.
  • Needle ribbon looms of the type mentioned are known in many forms, such as de WO-A-96/19604 ,
  • the ribbon loom comprises a weft insertion needle, which is associated with a weft feeder, the - viewed in the direction of weft - a weft source, a weft brake, a weft conveyor and a pneumatically operated, designed as blowing or suction weft compensation device and before Weft insertion needle has a separate weft thread guide eye.
  • Older needle looms however, have a weft compensating device, which is typically formed by a leg spring, such as from CH-646 397 A5 known.
  • the object of the invention is to improve a needle loom of the type described above.
  • the object is achieved by a needle loom according to claim 1.
  • the measures of the invention initially have the consequence that a Nadelbandwebmaschine is provided, the weft supply on the one hand has a high control bandwidth and therefore allows a high speed, but in which large fluctuations in the weft tension can be avoided, as in FIG. 3 is shown. Furthermore, a measured value and a limitation possibility for the weft thread tension are available, which can be advantageously used during operation of the needle ribbon loom.
  • the measured values of the spring device can be used to display or output a warning when the limiting values are exceeded or fallen short of.
  • the spring device is coupled to a drive device of the needle loom. According to claim 4 the drive is interrupted if the limit values of the weft tension are exceeded or exceeded.
  • the spring means comprises a coil spring which is connected to a compensation pin or a plunger on which the guide eye is arranged. It may be advantageous to adjust the delivery rate of the weft conveyor by the position of the compensation pin controllable and to regulate accordingly.
  • the pneumatic weft compensating device according to claim 8 can be used in a further developed form.
  • This has a limited by sidewalls flow channel for the passage of air flow and the inclusion of a weft thread loop, wherein in at least one side wall in the flow direction of the air flow behind one another several air nozzles are arranged like a relay. This makes it possible to adjust the weft balancing device to different types and / or thicknesses of the weft.
  • FIGS. 4 and 5 show essential components of the weft feeder of a needle loom in the schematic representation in the manner of a block diagram in two different operating states of the weft insertion needle.
  • the weft supply shown starts with the shot cone 2, from which the weft thread 4 is withdrawn.
  • the weft thread 4 is then guided by means of two pressure rollers 6 and 6 'on a transport roller 8 and supplied from this to the other components of the weft thread guide.
  • the spring device 12 comprises a linear spring 14, which is connected on one side via a compensation pin 15 with a guide eye 16 for the weft thread 4. On the other side, the spring 14 is firmly attached to the spring housing.
  • the spring device 12 has two end position sensors 18 and 20, each of which emits a signal when the end position is reached.
  • the end position sensors 18 and 20 as electrical sensors - switch - are formed.
  • the end position sensors are designed as optical sensors.
  • the deflection of the spring 14 is very small. The spring causes the weft so primarily a change in voltage, while in the embodiment described here, the length compensation is effected almost exclusively by the weft equalizer 22.
  • the compensation pin 15 is horizontally movable by a few centimeters. This coupled with the spring 14 compensation pin 15 is positioned during operation of the loom and shows the weaver in which position which forces exist.
  • the readjustment which can be carried out manually or automatically, for example by means of a control electronics, allows the compensation pin 15 to settle in the most advantageous position.
  • the position of the compensation pin 15 at the very back means too loose thread. In both End positions front and rear, the machine is also stopped in the present embodiment.
  • a position monitoring of the compensation pin 15 is provided over its entire possible path.
  • the number of revolutions of the weaving machine can be easily increased to 3,000 revolutions per minute or more. It should be emphasized that in the embodiment described here the position of the spring 14 remains essentially unchanged due to its inertia during the weaving process. Thus, the spring does not participate in the movement - except in the start / stop phase - but passes on its defined tension in the end positions to the weft thread.
  • the weft thread 4 extends from the spring device 12 further to the weft equalizer 22.
  • the weft equalizer 22 has a flow channel defined by side walls for the passage of an air flow and the reception of a weft thread loop.
  • five air nozzles 24 are arranged like a relay in a side wall in the flow direction of the air flow one behind the other, which provide a uniform tension of the weft thread.
  • the flow channel - made of aluminum in the embodiment described here - can ensure a constant volume of air.
  • a side wall 25 forming the flow channel-made of sheet steel in the exemplary embodiment described here-can, as in FIG FIG. 6 shown, at a distance a 0.3 to 1.8 mm to the opposite side wall 25 'to be moved.
  • the weft compensating device 22 can be adjusted to different thread thicknesses and thread qualities, and thus also the tension force exerted on the weft thread.
  • a memory effect is enabled with a constant volume of air.
  • a plastic version of the central air block and the side plate can be provided. This is advantageous in terms of noise reduction, especially with thicker threads.
  • Another advantage is illustrated by the following numerical example. On a machine designed for 50 mm belts, it is readily possible to weave a belt with a width of only 15 mm. Due to the air volume solution, there is always enough thread reserve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Harvesting Machines For Specific Crops (AREA)
  • Surgical Instruments (AREA)

Claims (9)

  1. Métier à tisser des rubans à aiguilles comportant une aiguille d'insertion de trame à laquelle est associée une installation d'alimentation en fil de trame (2) munie d'une installation de transport de fil de trame (6, 6', 8) ainsi qu'une installation de compensation de fil de trame (22) qui met le fil de trame en tension,
    l'installation de compensation de fil de trame (22) étant une installation pneumatique comme installation à veine d'air,
    caractérisé par
    une installation à ressort (12) comportant un oeillet de guidage (16) pour mesurer et/ou limiter la tension du fil de trame.
  2. Métier à tisser des rubans aiguilles selon la revendication 1,
    caractérisé en ce que
    l'oeillet de guidage (16) de l'installation à ressort est prévu entre l'installation de transport de fil de trame (6, 6', 8) et l'installation de compensation de fil de trame (22).
  3. Métier à tisser des rubans aiguilles selon la revendication 1 ou 2,
    caractérisé en ce que
    les valeurs limites de la tension du fil de trame, sont réglables par l'installation de ressort (12).
  4. Métier à tisser des rubans aiguilles selon l'une des revendications 1 à 3,
    caractérisé en ce que
    l'installation de ressort (12) est couplée à un dispositif d'entraînement du métier à tisser les rubans à aiguilles de façon que l'entraînement soit coupé lorsque les valeurs limites de la tension du fil de trame sont dépassées vers le haut ou vers le bas.
  5. Métier à tisser des rubans aiguilles selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'installation de ressort (12) comporte au moins un ressort hélicoïdal (14) relié à une broche de compensation (15) ou un poussoir portant l'oeillet de guidage (16).
  6. Métier à tisser des rubans aiguilles selon la revendication 5,
    caractérisé en ce que
    le débit de l'installation de transport de fil de trame (6, 6', 8), est régulé par la position de la broche de compensation (15).
  7. Métier à tisser des rubans aiguilles selon l'une des revendications 1 à 6,
    caractérisé par
    un autre oeillet de guidage ou de renvoi (26) prévu entre l'installation de compensation de fil de trame (22) et l'aiguille d'insertion de trame (28).
  8. Métier à tisser des rubans aiguilles selon l'une des revendications 1 à 7,
    caractérisé en ce que
    l'installation de compensation de fil de trame (22) comporte un canal d'écoulement limité par des parois latérales pour le passage d'une veine d'air et comporte le moyen de réception d'une boucle de fil de trame, et dans au moins une paroi latérale, plusieurs buses d'air (24) sont installées l'une derrière l'autre en étant échelonnées dans la direction de l'écoulement.
  9. Métier à tisser des rubans aiguilles selon la revendication 8,
    caractérisé en ce que
    la distance (a) des parois latérales (25, 25') qui se font face pour le canal d'écoulement, est réglable.
EP07763934A 2006-09-05 2007-07-05 Métier à tisser les rubans à aiguilles Not-in-force EP2059633B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14152006 2006-09-05
PCT/CH2007/000327 WO2008028303A1 (fr) 2006-09-05 2007-07-05 Métier à tisser les rubans à aiguilles

Publications (2)

Publication Number Publication Date
EP2059633A1 EP2059633A1 (fr) 2009-05-20
EP2059633B1 true EP2059633B1 (fr) 2010-04-07

Family

ID=37664553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07763934A Not-in-force EP2059633B1 (fr) 2006-09-05 2007-07-05 Métier à tisser les rubans à aiguilles

Country Status (7)

Country Link
EP (1) EP2059633B1 (fr)
KR (1) KR20090046835A (fr)
CN (1) CN101512055A (fr)
AT (1) ATE463598T1 (fr)
DE (1) DE502007003420D1 (fr)
TW (1) TW200825231A (fr)
WO (1) WO2008028303A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202011051959U1 (de) 2011-11-14 2012-01-16 Textilma Ag Pneumatischer Fadenstrecker
CN103318708A (zh) * 2013-06-20 2013-09-25 东台市龙之梦服饰实业有限公司 新型染色用筒纱张力控制装置
CN103541124B (zh) * 2013-10-22 2015-02-18 约科布缪勒机械制造(中国)有限公司 一种气动纬纱张力补偿器
EP3257983A1 (fr) * 2016-06-15 2017-12-20 Textilma Ag Métier à aiguilles pour tisser les rubans et procédé de tissage correspondant
EP3269855A1 (fr) * 2016-07-13 2018-01-17 Textilma Ag Metier a aiguilles pour tisser des rubans

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1110480B (it) * 1978-06-05 1985-12-23 O M M Officine Meccaniche Apparecchiatura per l'alimentazione positiva del filo di trama in telai ad aghi per nastri
GB2068422B (en) * 1980-02-01 1983-09-14 Nat Res Dev Weft patterning
US4577665A (en) * 1983-10-07 1986-03-25 Petig Corporation Narrow-fabric needle loom weaving system
DE9420562U1 (de) * 1994-12-22 1995-02-16 Textilma Ag, Hergiswil Bandwebmaschine
KR100362835B1 (ko) * 1995-06-15 2003-02-07 텍스틸마 악티엔게젤샤프트 직기용사운반장치
FR2864555B1 (fr) * 2003-12-24 2006-01-27 Staubli Lyon Procede de controle de la tension d'alimentation d'au moins un fil de trame, dispositif d'alimentation en fil de trame et metier a tisser equipe d'un tel dispositif

Also Published As

Publication number Publication date
DE502007003420D1 (de) 2010-05-20
KR20090046835A (ko) 2009-05-11
EP2059633A1 (fr) 2009-05-20
TW200825231A (en) 2008-06-16
ATE463598T1 (de) 2010-04-15
CN101512055A (zh) 2009-08-19
WO2008028303A1 (fr) 2008-03-13

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