EP3146101B1 - Streckvorrichtung für einen schussfaden - Google Patents

Streckvorrichtung für einen schussfaden 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
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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
English (en)
French (fr)
Other versions
EP3146101A1 (de
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/de
Application granted granted Critical
Publication of EP3146101B1 publication Critical patent/EP3146101B1/de
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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. Eine Streckvorrichtung zum Strecken eines in ein Webfach (32) einer Webmaschine eingelegten Schussfadens (6), wobei die Streckvorrichtung (3) gegenüber einem U-förmigen Eintragskanal (5) eines Webblattes (1) anordbar ist, wobei die Streckvorrichtung (3) einen Halter (8), eine erste Blasdüse (11) zum Bereitstellen eines ersten Luftstrahls (31), der auf einen Endbereich (36) eines eingelegten Schussfadens (6) einwirkt, und eine zweite Blasdüse (15) zum Bereitstellen eines zweiten Luftstrahls (35), der zusammen mit dem ersten Luftstrahl (31) auf den Endbereich (36) des eingelegten Schussfadens (6) einwirkt, umfasst, und wobei die zweite Blasdüse (15) stromabwärts der ersten Blasdüse (11) in einer ersten Richtung (51) angeordnet ist, welche erste Richtung (51) beim Montieren der Streckvorrichtung (3) an der Webmaschine parallel zur Eintragsrichtung (M) ist, dadurch gekennzeichnet, dass sowohl die erste Blasdüse (11) und die zweite Blasdüse (15) als eine Hohlnadel (12, 16) mit einer Ausströmöffnung (13, 17) nah der Spitze (14, 18) der Hohlnadel (12, 16) ausgebildet sind, wobei die Hohlnadel (12) der ersten Blasdüse (11) und die Hohlnadel (16) der zweiten Blasdüse (15) in der ersten Richtung (51) ausgerichtet sind, und dass die erste Blasdüse (11) und die zweite Blasdüse (15) so auf den Halter (8) angeordnet sind, dass eine Ebene (49) der zweiten Ausströmöffnung (17) mit einer Ebene senkrecht zur ersten Richtung (51) einen grösseren Winkel bildet als eine Ebene (48) der ersten Ausströmöffnung (13), so dass der zweite Luftstrahl (35) mit der ersten Richtung (51) einen grösseren Winkel bildet als der erste Luftstrahl (31).
  2. Die Streckvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die zweite Blasdüse (15) in einer zweiten Richtung senkrecht zur ersten Richtung (51) niedriger als die erste Blasdüse (11) angeordnet ist, um zu vermeiden, dass die zweite Blasdüse (15) in den ersten Luftstrahl (31) hineinreicht.
  3. Die Streckvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der zweite Luftstrahl (35) mit dem ersten Luftstrahl (31) verschmilzt.
  4. Die Streckvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass ein erster Winkel (A), den der erste Luftstrahl (31) mit der ersten Richtung (51) bildet, 15° bis 25°, zum Beispiel 20° beträgt, und/oder dass ein zweiter Winkel (B), den der zweite Luftstrahl (35) mit der ersten Richtung (51) bildet, 25° bis 45°, zum Beispiel 27° beträgt.
  5. Die Streckvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die erste Blasdüse (11) und die zweite Blasdüse (15) baugleich ausgebildet sind.
  6. Die Streckvorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die erste Blasdüse (11) und die zweite Blasdüse (15) zusammen mit Druckluft versorgt werden.
  7. Die Streckvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die erste Blasdüse (11) und die zweite Blasdüse (15) über zwei parallel angeordnete Versorgungskanäle (19) mit einer Druckluftquelle (22) verbunden sind.
  8. Die Streckvorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Streckvorrichtung (3) mindestens eine zusätzliche Blasdüse (27) umfasst, zum Bereitstellen eines zusätzlichen Luftstrahls (37), der zusammen mit dem ersten Luftstrahl (31) und dem zweiten Luftstrahl (35) auf den Endbereich (36) des eingetragenen Schussfadens (6) einwirkt, welche zusätzliche Blasdüse (27) in einer ersten Richtung (51) stromabwärts der zweiten Blasdüse (15) angeordnet ist, wobei der zusätzliche Luftstrahl (37) mit der ersten Richtung (51) einen grösseren Winkel bildet als der zweite Luftstrahl (35).
  9. Eine Webmaschine umfassend ein Webblatt (1) mit einem U-förmigen Eintragskanal (5) und eine Streckvorrichtung (3) zum Strecken eines dem U-förmigen Eintragskanal (5) gegenüberliegenden Schussfadens (6), dadurch gekennzeichnet, dass die Webmaschine eine Streckvorrichtung (3) zum Strecken eines Schussfadens (6) nach einem der Ansprüche 1 bis 8 umfasst, welche in der Eintragsrichtung (M) stromabwärts der Hilfsdüsen (2) angeordnet ist.
  10. Die Webmaschine nach Anspruch 9, dadurch gekennzeichnet, dass die Streckvorrichtung (3) in der Längsrichtung des Webblattes (1) in Position einstellbar an einer Weblade (7) der Webmaschine befestigt ist.
  11. Ein Verfahren zum Strecken eines in ein Webfach (32) einer Webmaschine eingelegten Schussfadens (6), mittels einer Streckvorrichtung (3) nach einem der Ansprüche 1 bis 8, welche Streckvorrichtung (3) gegenüber einem U-förmigen Eintragskanal (5) eines Webblattes (1) und stromabwärts der Hilfsdüsen (2) in einer Eintragsrichtung (M) angeordnet ist, das Verfahren umfassend das Ausstossen des zweiten Luftstrahls (35) in einem grösseren Winkel mit der Eintragsrichtung (M) als der erste Luftstrahl (31), wobei der zweite Luftstrahl (35) zusammen mit dem ersten Luftstrahl (31) auf den Endbereich (36) des eingetragenen Schussfadens (6) einwirkt.
EP15723937.7A 2014-05-22 2015-05-19 Streckvorrichtung für einen schussfaden Active EP3146101B1 (de)

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 (en) 2014-05-22 2015-05-19 Stretching device for a weft thread

Publications (2)

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

Family

ID=51302585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15723937.7A Active EP3146101B1 (de) 2014-05-22 2015-05-19 Streckvorrichtung für einen schussfaden

Country Status (4)

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

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
CN112543823B (zh) 2018-06-28 2022-12-09 必佳乐公司 织物支撑件

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 (de) * 1994-10-04 1997-10-08 Antonio Bortolamai Einrichtung zum Eintragen des Schussfadens in das Webfach einer Luftdüsenwebmaschine
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
EP3146101A1 (de) 2017-03-29
BE1021879B1 (nl) 2016-01-25
CN106460260B (zh) 2018-11-13
WO2015177155A1 (en) 2015-11-26
CN106460260A (zh) 2017-02-22

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