EP3146101B1 - Dispositif d'étirage pour un fil de trame - Google Patents

Dispositif d'étirage pour un fil de trame Download PDF

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Publication number
EP3146101B1
EP3146101B1 EP15723937.7A EP15723937A EP3146101B1 EP 3146101 B1 EP3146101 B1 EP 3146101B1 EP 15723937 A EP15723937 A EP 15723937A EP 3146101 B1 EP3146101 B1 EP 3146101B1
Authority
EP
European Patent Office
Prior art keywords
air
blowing nozzle
jet
stretching device
weft thread
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
EP15723937.7A
Other languages
German (de)
English (en)
Other versions
EP3146101A1 (fr
Inventor
Marnix Ghesquiere
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.)
Picanol NV
Original Assignee
Picanol NV
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Publication date
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP3146101A1 publication Critical patent/EP3146101A1/fr
Application granted granted Critical
Publication of EP3146101B1 publication Critical patent/EP3146101B1/fr
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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
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3066—Control or handling of the weft at or after arrival
    • D03D47/308—Stretching or holding the weft
    • 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
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D03D47/278—Guide mechanisms for pneumatic looms

Definitions

  • the orientation of the planes 48 and 49 and thus also the direction of the air-jets 31 and 35 can be set by rotating the first hollow needle 12 and/or the second hollow needle 16 around their length axis with respect to the holder 8.
  • the second mounting surface 41 is arranged so that the second blowing nozzle 15 is arranged lower than the first blowing nozzle 11 on the holder 8.
  • the second blowing nozzle 15 is arranged in such manner that its tip 18 does not reach into the first air-jet 31.
  • the first blowing nozzle 11 is arranged closer to the U-shaped insertion channel 5 than the second blowing nozzle 15.
  • Fig. 1 upon mounting the stretching device 3 to the weaving machine, the first blowing nozzle 11 is arranged closer to the U-shaped insertion channel 5 than the second blowing nozzle 15.
  • Fig. 1 upon mounting the stretching device 3 to the weaving machine, the first blowing nozzle 11 is arranged closer to the U-shaped insertion channel 5 than the second blowing nozzle 15.
  • blowing nozzles 11, 15, 27 are oriented in different directions so that the planes 48, 49, 50 of the first outflow aperture 13, the second outflow aperture 17 and the third outflow aperture 29, respectively are not in parallel.
  • the third blowing nozzle 27 is arranged so that the third air-jet 37 forms a wider angle with the insertion direction M than the second air-jet 35.

Landscapes

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

Claims (11)

  1. Un dispositif d'étirage pour étirer un fil de trame (6) qui a été inséré dans une foule (32) dans une machine à tisser, dans lequel le dispositif d'étirage (3) peut être disposé en face d'un canal d'insertion (5) en forme de U d'un peigne (1), dans lequel le dispositif d'étirage (3) comprend un support (8), une première buse de soufflage (11) pour fournir un premier jet d'air (31) agissant sur une région d'extrémité (36) d'un fil de trame inséré (6) et une deuxième buse de soufflage (15) pour fournir un deuxième jet d'air (35) agissant conjointement avec le premier jet d'air (31) sur la région d'extrémité (36) du fil de trame inséré (6), et dans lequel la deuxième buse de soufflage (15) est disposée en aval de la première buse de soufflage (11) dans une première direction (51), laquelle première direction (51) lors du montage du dispositif d'étirage (3) sur la machine à tisser est parallèle à la direction d'insertion (M), caractérisé en ce que la première buse de soufflage (11) et la deuxième buse de soufflage (15) sont conçues comme une aiguille creuse (12, 16) avec une ouverture de sortie (13, 17) à proximité de la pointe (14, 18) de l'aiguille creuse (12, 13), dans laquelle l'aiguille creuse (12) de la première buse de soufflage (11) et l'aiguille creuse (16) de la deuxième buse de soufflage (15) sont alignées dans la première direction (51), et en ce que la première buse de soufflage (11) et la deuxième buse de soufflage (15) sont disposées sur le support (8) de sorte qu'un plan (49) de la deuxième ouverture de sortie (17) forme un angle plus large avec un plan perpendiculaire à la première direction (51) qu'un plan (48) de la première ouverture de sortie (13), de sorte que le deuxième jet d'air (35) forme un angle plus large avec la première direction (51) que le premier jet d'air (31).
  2. Le dispositif d'étirage selon la revendication 1, caractérisé en ce que la deuxième buse de soufflage (15) est disposée plus bas que la première buse de soufflage (11) dans une deuxième direction perpendiculaire à la première direction (51) afin d'éviter que la deuxième buse de soufflage (15) atteint le premier jet d'air (31).
  3. Le dispositif d'étirage selon la revendication 1 ou 2, caractérisé en ce que le deuxième jet d'air (35) se confond avec le premier jet d'air (31).
  4. Le dispositif d'étirage selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un premier angle (A) que le premier jet d'air (31) forme avec la première direction (51) est de 15° à 25°, par exemple 20°, et/ou en ce qu'un deuxième angle (B) que le deuxième jet d'air (35) forme avec la première direction (51) est de 25° à 45°, par exemple 27°.
  5. Le dispositif d'étirage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la première buse de soufflage (11) et la deuxième buse de soufflage (15) ont une construction identique.
  6. Le dispositif d'étirage selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la première buse de soufflage (11) et la deuxième buse de soufflage (15) sont alimentées ensemble avec de l'air comprimé.
  7. Le dispositif d'étirage selon la revendication 6, caractérisé en ce que la première buse de soufflage (11) et la deuxième buse de soufflage (15) sont reliées à une source d'air comprimé (22) par l'intermédiaire de deux conduits d'alimentation (19) qui sont disposés en parallèle.
  8. Le dispositif d'étirage selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif d'étirage (3) comprend au moins une buse de soufflage supplémentaire (27) pour fournir un jet d'air supplémentaire (37) agissant conjointement avec le premier jet d'air (31) et le deuxième jet d'air (35) sur la région d'extrémité (36) du fil de trame inséré (6), laquelle buse de soufflage supplémentaire (27) est disposée dans la première direction (51) en aval de la deuxième buse de soufflage (15), dans lequel le jet d'air supplémentaire (37) forme un angle plus large avec la première direction (51) que le deuxième jet d'air (35).
  9. Une machine à tisser comprenant un peigne (1) avec un canal d'insertion (5) en forme de U et un dispositif d'étirage (3) pour étirer un fil de trame (6) disposé en face du canal d'insertion (5) en forme de U, caractérisée en ce que la machine à tisser comprend un dispositif d'étirage (3) pour étirer un fil de trame (6) selon l'une quelconque des revendications 1 à 8, qui est disposé en aval des buses auxiliaires (2) dans la direction d'insertion (M).
  10. La machine à tisser selon la revendication 9, caractérisée en ce que le dispositif d'étirage (3) est fixé en position réglable dans la direction longitudinale du peigne (1) sur un battant (7) de la machine à tisser.
  11. Un procédé pour étirer un fil de trame (6) qui a été inséré dans une foule (32) dans une machine à tisser, au moyen d'un dispositif d'étirage (3) selon l'une quelconque des revendications 1 à 8, lequel dispositif d'étirage (3) est disposé en face d'un canal d'insertion (5) en forme de U d'un peigne (1) et en aval des buses auxiliaires (2) dans une direction d'insertion (M), le procédé comprenant décharger le deuxième jet d'air (35) selon un angle plus large avec la direction d'insertion (M) que le premier jet d'air (31), dans lequel le deuxième jet d'air (35) agit conjointement avec le premier jet d'air (31) sur la région d'extrémité (36) du fil de trame inséré (6).
EP15723937.7A 2014-05-22 2015-05-19 Dispositif d'étirage pour un fil de trame Active EP3146101B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2014/0397A BE1021879B1 (nl) 2014-05-22 2014-05-22 Strekinrichting voor een inslagdraad
PCT/EP2015/061004 WO2015177155A1 (fr) 2014-05-22 2015-05-19 Dispositif d'étirage pour un fil de trame

Publications (2)

Publication Number Publication Date
EP3146101A1 EP3146101A1 (fr) 2017-03-29
EP3146101B1 true EP3146101B1 (fr) 2020-02-26

Family

ID=51302585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15723937.7A Active EP3146101B1 (fr) 2014-05-22 2015-05-19 Dispositif d'étirage pour un fil de trame

Country Status (4)

Country Link
EP (1) EP3146101B1 (fr)
CN (1) CN106460260B (fr)
BE (1) BE1021879B1 (fr)
WO (1) WO2015177155A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111367326A (zh) * 2020-03-13 2020-07-03 江苏苏云医疗器材有限公司 一种用于牵引装置的力量调控系统及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1024755B1 (nl) 2016-11-29 2018-06-27 Picanol Nv Afvaleinde-strekinrichting voor een weefmachine
WO2020001771A1 (fr) 2018-06-28 2020-01-02 Picanol Support de tissu

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7406857A (nl) 1974-05-21 1975-11-25 Rueti Te Strake Bv Spuitmondstuk in de vorm van een holle naald met een nabij de punt, in de zijwand daarvan aangebrachte spuitopening.
NL7907050A (nl) 1979-09-21 1981-03-24 Rueti Te Strake Bv Pneumatische weefmachine.
CS262455B1 (cs) 1987-04-02 1989-03-14 Radomir Ovcacik Zařízeník napínáníútkové nití
DE3730480A1 (de) 1987-09-11 1989-03-30 Picanol Nv Verfahren zum entfernen eines fehlerhaft eingebrachten schussfadens an einer luftwebmaschine
BE1003804A3 (nl) 1989-04-28 1992-06-16 Picanol Nv Inrichting voor het bevestigen van een onderdeel op de lade van een weefmachine.
EP0707101A3 (fr) * 1994-10-04 1997-10-08 Antonio Bortolamai Dispositif d'insertion de la trame dans la foule d'un métier à jet d'air
JP2004107819A (ja) * 2002-09-18 2004-04-08 Tsudakoma Corp 空気噴射式織機の緯糸飛走制御装置
BE1017274A6 (nl) 2006-09-13 2008-05-06 Picanol Nv Weefselsteun voor een weefmachine.
BE1017893A5 (nl) * 2007-12-10 2009-10-06 Te Strake Textile Bv Strekinrichting voor het strekken van een inslagdraad.
JP5603592B2 (ja) * 2009-12-03 2014-10-08 株式会社豊田自動織機 エアジェット織機の緯入れ装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111367326A (zh) * 2020-03-13 2020-07-03 江苏苏云医疗器材有限公司 一种用于牵引装置的力量调控系统及方法

Also Published As

Publication number Publication date
WO2015177155A1 (fr) 2015-11-26
BE1021879B1 (nl) 2016-01-25
CN106460260A (zh) 2017-02-22
CN106460260B (zh) 2018-11-13
EP3146101A1 (fr) 2017-03-29

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