EP0833969B1 - Dispositif de transport de fil destine a une machine textile, notamment a un metier a tisser pour ruban - Google Patents

Dispositif de transport de fil destine a une machine textile, notamment a un metier a tisser pour ruban Download PDF

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Publication number
EP0833969B1
EP0833969B1 EP95919955A EP95919955A EP0833969B1 EP 0833969 B1 EP0833969 B1 EP 0833969B1 EP 95919955 A EP95919955 A EP 95919955A EP 95919955 A EP95919955 A EP 95919955A EP 0833969 B1 EP0833969 B1 EP 0833969B1
Authority
EP
European Patent Office
Prior art keywords
thread
transport
roller
transport device
shaft
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.)
Expired - Lifetime
Application number
EP95919955A
Other languages
German (de)
English (en)
Other versions
EP0833969A1 (fr
Inventor
Francisco Speich
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
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Filing date
Publication date
Application filed by Textilma AG filed Critical Textilma AG
Publication of EP0833969A1 publication Critical patent/EP0833969A1/fr
Application granted granted Critical
Publication of EP0833969B1 publication Critical patent/EP0833969B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
    • B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
    • B65H51/06—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate singly
    • 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
    • D03D47/36—Measuring and cutting the weft
    • D03D47/368—Air chamber storage devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the innovation relates to a thread transport device in the Preamble of claim 1 mentioned type.
  • Thread transport devices are in a wide variety Refinements known.
  • DE-PS 946 177 is a thread transport device in connection with the feeding of a rubber thread described to a circular knitting machine.
  • this known thread transport device is the transport roller used for thread transport on a friction disc and is on one arm stored, the end facing away from the transport roller at one Guide axis is pivotally attached. The leading axis is aligned so that the longitudinal displacement of the Distance of the transport roller from the center of the friction disc changed can be, which also the peripheral speed of the Transport roller is changed.
  • On the side facing away from the friction disc There is a pressure roller on the side of the transport roller, which is also mounted on a lever that with its the Press roller facing away from the end articulated with the lever of the Transport roller is connected.
  • the concentricity of the friction disc respectively the transport roller and fluctuating contact pressure can also adversely affect the transport accuracy of the thread.
  • Another complicating factor is that the one to be transported Simply thread between the pressure roller and the Transport roller lies and is not looped around the transport roller can be otherwise their support on the friction disc would be affected. Because of the relatively short Path of attack of the thread on the transport roller or Another disadvantage of the pressure roller is that it to cause the thread to slip on the transport roller can come, with which the supply of the thread also Subject to inaccuracies.
  • US-A-4 466 576 describes another as the closest Prior art thread transport device of the type mentioned at the beginning.
  • the thread is only by means of a one-piece jacket transported to adjust the Transport length can be expanded radially by means of an adjusting device is.
  • the one simply resting on the transport roller Thread can especially when the thread tension decreases slip through and thus also affect the transport accuracy.
  • the task of the innovation is a thread transport device of the type mentioned at the beginning, so that the Disadvantages of the prior art are overcome.
  • the jacket can be made from a wide variety of materials, e.g. out a roughened, overlapping in the circumferential direction Steel strips consist of an expandable Support device is held.
  • An embodiment is more advantageous according to claim 2, which is particularly inexpensive and at the same time also a jacket surface with an increased coefficient of friction supplies.
  • the fixed adjustment device can be designed in a variety of ways starting from a simple set screw over one Motorized spindle drive up to fluid-operated piston cylinder units.
  • Claim 9 describes a particularly simple training and storage of the pressure roller.
  • FIG. 1 shows a thread transport device 2 on a schematically illustrated ribbon loom 4.
  • the thread transport device contains a drive device 6 with the shaft 8 of a thread transport roller 10 is coupled. With the latter cooperates with a pressure roller 12 which is attached to one Lever 14 is rotatably arranged via a shaft 16.
  • the lever 14 is at the end facing away from the pressure roller 12 Hinge 18 attached to a fixed support 20.
  • a feather 22 serves to bias the pressure roller 12 against the thread transport roller 10th
  • the transport roller 10 pulls one from a supply reel 24 Thread 26, which first has a thread brake 28 and a thread guide 30 passes until it with the friction surface 32 of Transport roller 10 comes into contact.
  • the thread 26 will then performed along part of the circumference of the transport roller 10 and passes under the pressure roller 12 and is by this removed, also along part of the circumference the pressure roller 12 is guided.
  • a pneumatic compensation device 36 Arrived after the pressure roller 12 the thread 26 through a further thread guide 34 a pneumatic compensation device 36. This exists from a narrow channel 38 through which the thread passes an inlet opening 40 and an outlet opening 42 is.
  • a nozzle 44 blows a jet of air into channel 38 and forms a thread loop 36 when the thread in the course of Processing has a tradition.
  • the thread passes over from the compensation device 36 a stationary thread guide eyelet 48 to a weft insertion needle 50, which a weft loop 52 in the Introduces shed 54 from warp threads 56.
  • a weft insertion needle 50 On the fabric side, one facing away from the weft insertion needle 50 Knitting needle 58 for tying the weft thread loop 52 of a reed 62, the weft loop on the Web position 64 posted.
  • FIG. 2 shows a first embodiment of a transport roller 10 and a pressure roller 12.
  • the transport roller 10 has the shaft 8 on a control block 66, which consists of a quasi incompressible, elastomeric material is formed.
  • This Adjustment block is clamped between two press members 68.70, of which the first pressing member 68 is fixed on the shaft 8 is and the second pressing member 70 from one on the Shaft displaceable disk 70, which is by means of a Adjusting nut 72 can be clamped against the first pressing member 68 is.
  • the adjusting nut 72 is on a threaded section 74 arranged the shaft.
  • the Pressing members 68, 70 By pressing the Pressing members 68, 70 become the adjusting block 66 in the radial direction expands and acts via a support device 76, for example in the form of roller bodies or a slotted one Sleeve with overlapping in the circumferential direction End sections, on a jacket 78, the friction surface 32 forms.
  • the jacket 78 preferably also consists of elastomeric material.
  • FIG. 3 shows an arrangement corresponding to FIG. 2 the transport roller 10 and the pressure roller 12, however the adjusting nut 72 is replaced by a fixed adjusting device 80, which is formed from a two-armed Coupling member 82 which is pivotable on a fixed bearing block 84 is stored.
  • the end 86 is the coupling member 82 with a drive means 88 connected, which can be designed in any way and from a simple set screw via a drive spindle up to a fluid-operated cylinder unit.
  • the the arm 90 facing the pressing member 70 is fork-shaped and cooperates with the pressing member 70 so that the Adjustment block 66 depending on the position of the drive means 88 can be compressed more or less.
  • FIG. 4 shows a further arrangement of a transport roller 10a and a pressure roller 12.
  • the jacket 78a of the transport roller 10a is conical on the radially inner side 92 trained and acts with a counter-conical actuator 94 together, which is fixedly arranged on the shaft 8a.
  • a Adjustment device 96 has a jacket 78a on the side acting sleeve 98 on a shim 100 supports, which is arranged coaxially to the shaft 8a.
  • shim 100 contains a central threaded opening 102, which on a threaded portion 104 of the shaft 8a is screwed on.
  • the setting device 96 determines by means of the shim 100 the axial position of the jacket 78a on the conical actuator 94, accordingly Diameter D of the jacket 78a is increased or decreased.
  • the shim that can be screwed back and forth on shaft 8a 100 can also be an external, stationary actuating device be provided for actuating the disc, such as this has been described in FIG. 3.
  • FIG. 5 shows the arrangement of two thread transport devices 2a and 2b, which are analogous to the thread transport device of Figures 1 and 2 are formed. These thread transport devices have a common shaft 8b and will actuated by a common drive device 6.
  • the thread transport speed can be on the individual ribbon looms 4a, 4b, i.e. to the individual Weaving by means of adjusting nuts 72 by adjusting the Diameter of the transport rollers 10 individually finely adjusted and be customized.
  • the thread transport device Because of the looping of the thread on the friction surface of the Thread transport device on the one hand and the pressure of the Thread by means of the pressure roller on the other hand results in a forced guidance and a forced transport of the thread, on external influences such as temperature, climate and Pollution is not susceptible.
  • the thread transport device because of the extremely simple Construction and the setting extremely space-saving and can therefore also be used in the smallest of spaces and to be served. It is further because of the small number the components are not only inexpensive but also have a reduced susceptibility to wear. By the exact forced drive of the thread by means of the thread transport device there is practically no slip when starting and stopping the loom so that the otherwise frequently occurring weaving errors can be avoided. The same also applies to an exact maintenance of the bandwidth due to the precisely controlled feeding of the thread for a weft insertion needle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

L'invention concerne un cylindre de transport (10) contre lequel est plaqué un cylindre de serrage (120 qui assure le serrage préalable d'un fil (26). Afin de simplifier le réglage de la vitesse de défilement du fil pour un nombre de tours par minute constant du cylindre de transport, une surface de friction (32) est ménagée sur le côté extérieur d'une enveloppe (78) dont on règle l'expansion radiale au moyen d'un dispositif de réglage (66, 72).

Claims (12)

  1. Dispositif de transport de fil pour une machine textile, notamment pour un métier à tisser un ruban, comprenant un cylindre de transport (10, 10a) monté sur un arbre (8, 8a, 8b), entraíné à des vitesses périphériques variables, et ayant une surface de frottement (32),
    cette surface de frottement (32) étant formée par une enveloppe en une seule pièce (78, 78a) susceptible d'être expansée radialement par un dispositif actionneur (66, 68, 70, 72, 80, 92, 94, 96),
    caractérisé en ce qu'
    il comprend un cylindre presseur (12) précontraint contre le cylindre de transport (10, 10a) par insertion d'un fil (26) à transporter, ainsi qu'un dispositif de compensation pneumatique (36) pour le fil (26), en aval du cylindre de transport (10, 10a) et du cylindre presseur (12).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    l'enveloppe expansible (78, 78a) est un élastomère.
  3. Dispositif selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce que
    le dispositif actionneur comprend un bloc de réglage (66) en un élastomère quasi incompressible, entre l'arbre (8) et l'enveloppe (78) de préférence avec interposition d'un dispositif de support (76), ce bloc étant serré dans la direction axiale entre deux organes de pression (68, 70) agissant l'un contre l'autre et dont au moins un est réglable.
  4. Dispositif selon la revendication 3,
    caractérisé en ce qu'
    un segment fileté (74) de l'arbre (8) est monté sur un écrou de réglage (72) coopérant avec l'organe de pression (70) réglable.
  5. Dispositif selon l'une quelconque des revendications 1 ou 2,
    caractérisé en ce que
    l'enveloppe expansible (78a) est conique sur sa face appliquée radialement à l'intérieur (92), et coopère avec un organe d'actionnement (94) de conicité opposée, installé sur un arbre (8a) du cylindre de transport (10a),
    l'enveloppe (78a) et l'organe actionneur (94) de conicité opposée, pouvant être déplacés dans la direction axiale l'un par rapport à l'autre à l'aide d'un dispositif de réglage (96).
  6. Dispositif selon la revendication 5,
    caractérisé en ce que
    l'organe actionneur (94) de conicité opposée est solidaire de l'arbre (8a) du cylindre de transport (10a), et le dispositif de réglage (96) comporte un manchon (98) agissant latéralement sur l'enveloppe (78a), ce manchon pouvant être réglé coaxialement à l'arbre (8a) du cylindre de transport (10a) par un disque de réglage (100).
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    le disque de réglage (100) comporte un taraudage central (102) en prise avec un segment fileté (104) de l'arbre (8a) du cylindre de transport (10a).
  8. Dispositif selon l'une quelconque des revendications 3 ou 6,
    caractérisé en ce qu'
    il comporte un dispositif de réglage (80) fixe comportant des moyens d'entraínement (88) qui coopèrent par un organe de couplage (82) avec l'organe de pression (70) ou le disque de réglage (100).
  9. Dispositif selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce que
    le cylindre presseur (12) est installé à l'extrémité libre d'un levier (14) dont une extrémité est articulée, ce levier étant précontraint contre le cylindre de transport (10, 10a).
  10. Dispositif selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce que
    le fil (26) entoure en partie le cylindre de transport (10, 10a) et peut être enlevé par l'intermédiaire du cylindre presseur (12), le fil (26) entourant également en partie de préférence le cylindre presseur (12).
  11. Dispositif selon l'une quelconque des revendications 1 à 10,
    caractérisé en ce que
    l'arbre (8, 8a, 8b) du cylindre de transport (10, 10a) est relié à un dispositif d'entraínement (106, 108, 110) à vitesse de rotation variable.
  12. Dispositif selon l'une quelconque des revendications 1 à 11,
    caractérisé par
    au moins deux dispositifs de transport de fil (2a, 2b) montés sur un arbre moteur (8b) commun.
EP95919955A 1995-06-15 1995-06-15 Dispositif de transport de fil destine a une machine textile, notamment a un metier a tisser pour ruban Expired - Lifetime EP0833969B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH1995/000134 WO1997000342A1 (fr) 1995-06-15 1995-06-15 Dispositif de transport de fil destine a une machine textile, notamment a un metier a tisser pour ruban

Publications (2)

Publication Number Publication Date
EP0833969A1 EP0833969A1 (fr) 1998-04-08
EP0833969B1 true EP0833969B1 (fr) 2001-11-14

Family

ID=4549971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95919955A Expired - Lifetime EP0833969B1 (fr) 1995-06-15 1995-06-15 Dispositif de transport de fil destine a une machine textile, notamment a un metier a tisser pour ruban

Country Status (8)

Country Link
US (1) US5947161A (fr)
EP (1) EP0833969B1 (fr)
JP (1) JPH11507703A (fr)
KR (1) KR100362835B1 (fr)
DE (1) DE59509852D1 (fr)
ES (1) ES2165914T3 (fr)
RU (1) RU2135658C1 (fr)
WO (1) WO1997000342A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29909105U1 (de) * 1999-05-25 1999-07-22 Textilma Ag, Hergiswil Fadenfördervorrichtung
ES2289254T3 (es) * 2003-10-22 2008-02-01 Luigi Omodeo Zorini Maquina textil y su respectivo procedimiento de control.
WO2005118930A1 (fr) * 2004-06-03 2005-12-15 Textilma Ag Aiguille d'insertion de fil de trame pour une machine a tisser a aiguilles pour la rubanerie
TW200825231A (en) * 2006-09-05 2008-06-16 Textilma Ag Ribbon needle loom
KR20180061905A (ko) 2016-11-30 2018-06-08 (주) 영인텍 마이크로 채널 튜브를 사용한 히트 펌프용 멀티플로 열 교환장치
CN111655915B (zh) 2018-01-26 2022-02-25 东丽株式会社 底布、喷射织机及底布的制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224467A (en) * 1964-03-13 1965-12-21 Crompton & Knowles Corp Feeding mechanism for weft in looms
US3339590A (en) * 1965-10-14 1967-09-05 John D Riordan Mechanism for regulating filling feed
CS152234B1 (fr) * 1971-07-14 1973-12-19
US3757619A (en) * 1972-01-27 1973-09-11 Amf Inc Apparatus for feeding and cutting web material
DE2752094A1 (de) * 1976-11-24 1978-06-01 Rueti Ag Maschf Anordnung zum eintragen von schussfaeden
JPS5516944A (en) * 1978-07-18 1980-02-06 Yoshida Kogyo Kk Weft yarn lettoff motion
DE3164813D1 (en) * 1981-03-09 1984-08-23 Sulzer Ag Apparatus for measuring a filamentary material, e.g. in a loom
US4383631A (en) * 1981-05-04 1983-05-17 Fairchild Wayne K Tensioning control device

Also Published As

Publication number Publication date
US5947161A (en) 1999-09-07
ES2165914T3 (es) 2002-04-01
EP0833969A1 (fr) 1998-04-08
DE59509852D1 (de) 2001-12-20
JPH11507703A (ja) 1999-07-06
RU2135658C1 (ru) 1999-08-27
WO1997000342A1 (fr) 1997-01-03
KR19990022957A (ko) 1999-03-25
KR100362835B1 (ko) 2003-02-07

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