EP1431432A1 - Dispositif pour produire un filet - Google Patents

Dispositif pour produire un filet Download PDF

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Publication number
EP1431432A1
EP1431432A1 EP03024832A EP03024832A EP1431432A1 EP 1431432 A1 EP1431432 A1 EP 1431432A1 EP 03024832 A EP03024832 A EP 03024832A EP 03024832 A EP03024832 A EP 03024832A EP 1431432 A1 EP1431432 A1 EP 1431432A1
Authority
EP
European Patent Office
Prior art keywords
staple fiber
channel
inlet opening
thread take
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.)
Granted
Application number
EP03024832A
Other languages
German (de)
English (en)
Other versions
EP1431432B1 (fr
Inventor
Gerd Stahlecker
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter 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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP1431432A1 publication Critical patent/EP1431432A1/fr
Application granted granted Critical
Publication of EP1431432B1 publication Critical patent/EP1431432B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/02—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by a fluid, e.g. air vortex
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/11—Spinning by false-twisting
    • D01H1/115—Spinning by false-twisting using pneumatic means
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/38—Channels for feeding fibres to the yarn forming region

Definitions

  • the invention relates to a device for producing a spun thread from a Staple fiber dressing, with a feed channel having an outlet opening for feeding the Staple fiber association, with a stationary spindle-like following the outlet opening Component with a thread take-off channel having an inlet opening, with a between Outlet opening and inlet opening, which are connected to compressed air nozzles Vortex chamber for generating a vortex flow around the inlet opening, with one that spindle-like component essentially surrounding the exhaust air duct and with im Feed channel arranged, redirecting the staple fiber structure to form a swirl barrier Fiber guide surfaces.
  • a device of this type is state of the art through EP 0 854 214 B1.
  • the device is a staple fiber dressing coming from a drafting system Feed channel led through to the inlet opening of a thread take-off channel, the leading ends of the fibers held in the staple fiber association in the thread take-off channel are spread out while the rear free fiber ends are grasped by the vortex flow and around those already in the inlet opening of the thread take-off channel, that is integrated front ends can be turned around, which makes a thread largely real Rotation is generated.
  • the helix has the same direction of rotation as the vortex flow and itself extends over a circumferential angle of 90 ° to 120 °.
  • the helix is inserted in formed a sleeve and fills approximately half the cross section of the sleeve, whereby the free part of the cross section forms the feed channel.
  • the fibers of the staple fiber association are continuously on this helix in the feed channel.
  • the invention is based on the object, the effect of the swirl lock even more intensify.
  • the object is achieved in that the feed channel is meandering and the Fiber guide surfaces are formed as deflection edges, between which the staple fiber structure is support-free.
  • the last deflection edge in the running direction of the staple fiber association is arranged eccentrically to the inlet opening of the thread take-off channel. This increases the effect the last deflection edge, especially if this is in the immediate vicinity of the inlet opening of the Thread take-off channel is arranged.
  • At least one deflection edge is also provided with a profile.
  • the profiling can be at least one in the running direction of the Staple fiber dressing arranged wedge-shaped groove act, whereby the individual fibers of the Staple fiber dressing separated and clamped in some way.
  • too a plurality of very small notch-like grooves can be provided for the same purpose.
  • FIG. 1 shows a device with which one passes through a feed channel 1 in the running direction A supplied, loose staple fiber dressing 2 is given a rotation in a swirl chamber 3, so that a spun thread 4 is created, which through a thread take-off channel 5 in the take-off direction B is subtracted.
  • a fluid device is generated in the swirl chamber 3 by blowing in Compressed air through compressed air nozzles 6 which open tangentially into the swirl chamber 3 Vortex flow.
  • the escaping air is discharged via exhaust air duct 7, this one has an annular cross section around a spindle-shaped stationary component 8, in which the thread take-off channel 5 is arranged.
  • a swirl lock 10 is provided, which later will be described in detail.
  • those coming from a pair of delivery rollers 11, 12 are to be spun Fibers on the one hand held in the staple fiber dressing 2 and thus from the outlet opening 9 of the Feed channel 1 is guided into the thread take-off channel 5 essentially without giving rotation.
  • the fibers are in the area between the feed channel 1 and the thread take-off channel 5 exposed to the effect of the vortex flow through which they or at least their end portions of the inlet opening 13 of the thread take-off channel 5 are driven radially away.
  • the one with the Threads 4 produced by the described method thereby show a core of essentially fibers or fiber regions running in the longitudinal direction of the thread without substantial rotation and an outer region in which the fibers or fiber regions are rotated around the core are.
  • this thread structure comes about through the fact that leading ends of fibers, especially those whose trailing areas still be kept upstream of the feed channel 1, essentially directly into the Thread take-off channel 5 reach, but that trailing fiber areas, especially if they are in the Entrance area of the feed channel 1 can no longer be kept by vortex formation from the Staple fiber dressing 2 pulled and then rotated around the resulting thread 4.
  • fibers are in the thread 4 that is being created at the same time involved, whereby they are pulled through the thread take-off channel 5, as well as the Eddy flow exposed, which they centrifugally, ie from the inlet opening 13 of the Thread take-off duct 5 accelerates and withdraws into the exhaust air duct 7.
  • Feed channel 1 fiber guide surfaces are provided, which form the staple fiber structure 2 deflect the swirl lock 10.
  • the feed channel 1 is meandering, and the Fiber guide surfaces are additionally designed as deflection surfaces 14, 15, 16 between which the staple fiber dressing 2 is support-free.
  • this staple fiber dressing 2 is only indicated by dash-dotted lines, and it can be seen that it is only on the deflection edges 14, 15 and 16 abuts the fiber guide surfaces.
  • This configuration has the advantage over the prior art that the Swirl lock 10 is very intense and at the same time from the first deflection edge 14 to the last Deflection edge 16 increases in its effect.
  • At least one deflection edge 15 can additionally have one Have profiling 17, whereby the effect of the swirl lock 10 is further enhanced.
  • the Profiling 17 is part of an insert 18 containing the deflection edge 15 in one Support sleeve 19, see also Figure 1, wherein to form the swirl lock 10, the insert 18 a second Insert 20 is assigned, which in turn contains the deflection edges 14 and 16.
  • the profile 17 is designed as a wedge-shaped groove 21, while according to Figure 3 the profiling 17 consists of a plurality of notch-like grooves 22. This allows achieve that the fibers belonging to the staple fiber association 2 are better separated and may be pinched as it were, which increases the effect of the swirl lock 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP03024832A 2002-12-17 2003-10-31 Dispositif pour produire un filet Expired - Lifetime EP1431432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10261011 2002-12-17
DE10261011A DE10261011A1 (de) 2002-12-17 2002-12-17 Vorrichtung zum Herstellen eines gesponnenen Fadens

Publications (2)

Publication Number Publication Date
EP1431432A1 true EP1431432A1 (fr) 2004-06-23
EP1431432B1 EP1431432B1 (fr) 2007-01-03

Family

ID=32336599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03024832A Expired - Lifetime EP1431432B1 (fr) 2002-12-17 2003-10-31 Dispositif pour produire un filet

Country Status (6)

Country Link
US (1) US7080502B2 (fr)
EP (1) EP1431432B1 (fr)
JP (1) JP2004197292A (fr)
CN (1) CN100451192C (fr)
AT (1) ATE350522T1 (fr)
DE (2) DE10261011A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2009151A1 (fr) * 2007-06-21 2008-12-31 Murata Machinery, Ltd. Dispositif de filature à jet d'air
DE102011054302A1 (de) * 2011-10-07 2013-04-11 Maschinenfabrik Rieter Ag Garnbildungselement für eine Spinnstelle einer Luftspinnmaschine mit einem Drallstoppelement
WO2013117491A1 (fr) * 2012-02-08 2013-08-15 Maschinenfabrik Rieter Ag Élément de formation de fil pour section de filage de métier à filer à jet d'air comprenant une partie de guidage hélicoïdale et procédé de fabrication de fil
WO2015044728A1 (fr) * 2013-09-30 2015-04-02 Maschinenfabrik Rieter Ag Élément de guidage de fibres pour filière de machine à filer à jet d'air et poste de filage ainsi équipé

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1682702B1 (fr) * 2003-11-11 2010-05-19 Maschinenfabrik Rieter Ag Emplacement de filage comprenant un element de guidage des fibres
DE102006018249A1 (de) * 2006-04-13 2007-10-18 Wilhelm Stahlecker Gmbh Spindelförmiges Bauteil für eine Luftdüsenspinnvorrichtung mit einem Injektionskanal
JP2012097391A (ja) * 2010-11-05 2012-05-24 Murata Mach Ltd 紡績機
BG111170A (bg) * 2012-03-19 2013-09-30 "Д-А-ДИНКО БАХОВ" ЕТ"D-A-Dinko Bahov" Et Метод и устройство за изпридане на прежда с въздушен вихър
CH706923A1 (de) * 2012-09-07 2014-03-14 Rieter Ag Maschf Spinnstelle einer Luftspinnmaschine.
CN103526363B (zh) * 2013-10-30 2016-01-20 吴江市科时达纺织有限公司 弯管假捻器
EP3859061B1 (fr) * 2020-01-30 2024-11-13 Saurer Intelligent Technology AG Dispositif de réception d'une mèche de fibres
CZ202364A3 (cs) * 2023-02-20 2024-08-28 Rieter Cz S.R.O. Zařízení pro přípravu konce příze pro zapředení příze na pracovním místě textilního stroje pro výrobu příze a textilní stroj
CN116516532B (zh) * 2023-06-29 2023-09-15 克州润华纺织科技有限公司 一种包芯纱生产设备及生产工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159806A (en) * 1989-11-14 1992-11-03 Murata Kikai Kabushiki Kaisha Apparatus for producing spun yarns
US5295349A (en) * 1991-07-30 1994-03-22 Murata Kikai Kabushiki Kaisha Introduction device for a spinning apparatus
EP0854214A2 (fr) * 1997-01-16 1998-07-22 Murata Kikai Kabushiki Kaisha Appareil de filage
US6209304B1 (en) * 1998-10-02 2001-04-03 W. Schlafhorst Ag & Co. Spinning device
EP1329542A2 (fr) * 2002-01-17 2003-07-23 W. SCHLAFHORST AG & CO. Dispositif pour la production d'un fil utilisant un flux d'air en vortex

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837117A (en) * 1986-12-16 1989-06-06 E. I. Du Pont De Nemours And Company Composites of stretch broken aligned fibers of carbon and glass reinforced resin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5159806A (en) * 1989-11-14 1992-11-03 Murata Kikai Kabushiki Kaisha Apparatus for producing spun yarns
US5295349A (en) * 1991-07-30 1994-03-22 Murata Kikai Kabushiki Kaisha Introduction device for a spinning apparatus
EP0854214A2 (fr) * 1997-01-16 1998-07-22 Murata Kikai Kabushiki Kaisha Appareil de filage
US6209304B1 (en) * 1998-10-02 2001-04-03 W. Schlafhorst Ag & Co. Spinning device
EP1329542A2 (fr) * 2002-01-17 2003-07-23 W. SCHLAFHORST AG & CO. Dispositif pour la production d'un fil utilisant un flux d'air en vortex

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2009151A1 (fr) * 2007-06-21 2008-12-31 Murata Machinery, Ltd. Dispositif de filature à jet d'air
DE102011054302A1 (de) * 2011-10-07 2013-04-11 Maschinenfabrik Rieter Ag Garnbildungselement für eine Spinnstelle einer Luftspinnmaschine mit einem Drallstoppelement
WO2013117491A1 (fr) * 2012-02-08 2013-08-15 Maschinenfabrik Rieter Ag Élément de formation de fil pour section de filage de métier à filer à jet d'air comprenant une partie de guidage hélicoïdale et procédé de fabrication de fil
WO2015044728A1 (fr) * 2013-09-30 2015-04-02 Maschinenfabrik Rieter Ag Élément de guidage de fibres pour filière de machine à filer à jet d'air et poste de filage ainsi équipé

Also Published As

Publication number Publication date
US7080502B2 (en) 2006-07-25
DE10261011A1 (de) 2004-07-08
CN1508307A (zh) 2004-06-30
ATE350522T1 (de) 2007-01-15
EP1431432B1 (fr) 2007-01-03
US20050204720A1 (en) 2005-09-22
CN100451192C (zh) 2009-01-14
DE50306178D1 (de) 2007-02-15
JP2004197292A (ja) 2004-07-15

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