EP1223236A2 - Dispositif pour la production d'un fil d'âme - Google Patents

Dispositif pour la production d'un fil d'âme Download PDF

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Publication number
EP1223236A2
EP1223236A2 EP01130244A EP01130244A EP1223236A2 EP 1223236 A2 EP1223236 A2 EP 1223236A2 EP 01130244 A EP01130244 A EP 01130244A EP 01130244 A EP01130244 A EP 01130244A EP 1223236 A2 EP1223236 A2 EP 1223236A2
Authority
EP
European Patent Office
Prior art keywords
thread
fiber
guide
yarn
guide channel
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
EP01130244A
Other languages
German (de)
English (en)
Other versions
EP1223236B1 (fr
EP1223236A3 (fr
Inventor
Jürg BISCHOFBERGER
Peter Anderegg
Christian Griesshammer
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 EP1223236A2 publication Critical patent/EP1223236A2/fr
Publication of EP1223236A3 publication Critical patent/EP1223236A3/fr
Application granted granted Critical
Publication of EP1223236B1 publication Critical patent/EP1223236B1/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 and a method for producing a spun thread from a fiber structure which spins at least one separately fed endless thread to form a core yarn, comprising a fiber guide channel with a fiber guide surface for guiding the fibers of the fiber bandage and a guide device for guiding the continuous thread in an inlet mouth of a yarn guide channel, further comprising a fluid device for generating a vortex flow around the inlet mouth of the yarn guide channel.
  • a device for producing a core yarn is known from DE 198 04 341. It is a ring spinning device with which at least one endless thread is fed to the stretched fiber sliver and spun together to form a yarn. However, it is not known to produce a core yarn by fluid guidance.
  • a device for producing a yarn from staple fibers by means of fluid guidance is therefore the object of the invention.
  • a device in which the fibers for the integration of the front fiber ends are guided through the rear part of the fibers in a fiber guide and by means of which the fibers can be caught by the air vortex generated in such a way that a uniform and firm yarn can be produced is known from US 5,528,895.
  • a mandrel is provided which is arranged centrally to the yarn guide channel, around which the supplied fibers run spirally in the direction of the yarn guide channel in order to be spun. This central device prevents the introduction of one or more continuous threads, which must or must run through the center of the yarn guide channel.
  • a fiber guide surface points towards a spindle with a yarn guide channel, over and through which the fibers are guided in a substantially flat formation against the inlet mouth of the yarn guide channel and the fiber guide element with the fiber guide surface additionally an in a fiber and thread guide means embedded guide for the at least one endless thread, so that this can be wound around at least one endless thread by the fibers on the spindle.
  • Figure 1a-c shows a housing 1 with the housing parts 1a and 1b with a built-in nozzle block 2, which contains jet nozzles 3, by means of which a vortex flow is generated, and a so-called fiber and thread guide means 4, here with a conveying surface for conveying Fibers F drawn, with a guide 5 embedded therein for a continuous thread C, which can be pulled off a spool S via a deflection roller 9, for.
  • the jet nozzles 3 generate the swirl flow for the twist, through which the fibers F supplied via the bevel guide means 4 are rotated in a direction of rotation around the end face 6a of the so-called spindle 6 and are guided into a yarn guide channel 7 of the spindle 6.
  • the fibers F are conveyed in a fiber guide channel 13 on the aforementioned conveying surface of the fiber and thread guide means 4 against the end face 6a of the spindle 6 due to a sucked-in air.
  • the sucked-in air takes place on the basis of an injector effect of the jet nozzles 3, which are provided in such a way that, on the one hand, the aforementioned air swirl is generated, but on the other hand, air is also sucked through the fiber guide channel 13.
  • the compressed air for the jet nozzles 3 is fed uniformly to the jet nozzles by means of a compressed air distribution chamber 11. How the endless thread C can be inserted into the device is discussed below.
  • the guide 5 for the continuous thread C is oriented such that it is inserted centrally or that the guided continuous thread C is inserted centrally into the inlet mouth 6c of the spindle 6.
  • the fiber and thread guide means 4 is preferably designed so that the fiber guide surface 28 comes to lie horizontally, as shown in Figure 1a , or the fiber and thread guide means 4 is against the end face 6a of the spindle, z. B. tapered on all, or only on some sides, as in Figure 1b.
  • the guide 5 let into the fiber and thread guide means 4 can be a groove for receiving the endless thread C or a through hole through the fiber and thread guide means 4, through which the endless thread C is passed.
  • a tube-like element 5c e.g. B.
  • a tube provided with a continuous opening can be provided in the fiber and thread guiding means 4 ( FIG. 1c), which is preferably closer to the inlet opening 6c, and through which the continuous thread C is guided centrally to the inlet opening 6c.
  • the tube-like element 5c is only part of the guide 5, the remaining guide 5 in the thread guide means 4 can be designed as a groove or bore. If the fiber and thread guide means 4 tapers towards the end face 6a of the spindle 6 or is provided with a tube-like element 5c, the fibers F are already very central to the yarn guide channel at the end of the fiber and thread guide means 4 or the tube-like element 5c 7 directed.
  • FIGS. 2, 2a and 2c show a fiber delivery edge 29 which is very close to an inlet mouth 35 of a yarn guide channel 45 which is arranged within a so-called spindle 32.
  • the fiber delivery edge 29 is arranged parallel to a center line 47 of the yarn guide channel 45 and this center line 47 with a predetermined distance A between the same and the inlet opening 35, and a predetermined distance B between an imaginary plane E containing the edge.
  • the distance A corresponds to a range of 0.1 to 1.0 mm, depending on the type of fiber and average fiber length and corresponding test results.
  • the distance B depends on a diameter G of the inlet mouth 35 and, depending on the test results, is within a range from 10 to 30% of the diameter G.
  • the fiber delivery edge 29 has a length D.1 (FIG. 2a), which in is a ratio of 1: 5 to the diameter G of the yarn guide channel 45 and formed by an end face 30 of a fiber conveying element 27 (the fiber and thread guide means 4 according to FIGS. 1a-c) and a fiber guide surface 28 of the element 27 becomes.
  • the end face 30, with a height O lies within the range of the Diameter G and has an empirically determined distance H between the plane E and the opposite inner wall 48 of the yarn guide channel 45.
  • the fiber conveying element 27 also has a guide 5.1 (a groove, FIG. 2b) or 5.2 (a hole, Fig. 2b.1) for guiding the continuous thread C and is in a Nozzle block 20 guided support element 37 and forms with this Carrier element forming a fiber guide channel 26 and has at the entrance a fiber receiving edge 31, around which the fibers are guided by a Fiber feed roller 39 are fed.
  • These fibers are from the Fiber conveyor roller 39 is lifted off the conveyor roller by means of a suction air flow and conveyed through the fiber guide channel 26.
  • the suction air flow is created by an in Jet nozzles 21 with a blowing direction 38 generated air flow, due to a Injector.
  • these jet nozzles are in a nozzle block 20 on the one hand with an angle ⁇ in order to produce the aforementioned injector effect and on the other hand, inclined at an angle ⁇ to create an air vortex, which has a direction of rotation 24 on a cone 36 of the fiber conveying element 27 rotates along and around spindle front surfaces 34, as mentioned below
  • the fiber guide surface 28 has a recess 5.1 in the fiber guide direction for guiding the continuous thread C. (Fig. 2a from above, Fig. 2b in section). The endless thread C inserted and then wound around by the fibers F.
  • those supplied by the fiber feed roller 39 are provided Fibers F by means of the suction air flow mentioned in the fiber guide channel 26, such as mentioned, lifted off the fiber conveyor roller 39 and on the fiber guide surface 28 in a conveying direction 25 together with the endless thread C against the Fiber delivery edge 29 out.
  • One end of the Fibers are guided through the spindle inlet opening 35 into the yarn guide channel 45, while the other, second ends 49 of these fibers flip as soon as these second ends free and caught by the rotating air flow.
  • the fibers in the yarn guide channel 45 around the endless thread C. In this way, a core yarn 46 is created, which has a yarn character similar to that Has ring yarn.
  • This constriction occurs because the front ends, viewed in the direction of the fibers, which are already bound in the twisted yarn 46, have a tendency to migrate in the direction of the constriction, so that further second ends of fibers lying behind are also displaced in the direction of the constriction. However, this only happens until the second ends 49 of the fibers F are caught by the aforementioned air vortex, rotated around the spindle front surface 34 and drawn into the inlet mouth 35 at the thread take-off speed and thereby obtain the twist necessary for the yarn formation.
  • the width d.1 is shown expanded by means of dash-dotted lines. On the one hand to show that this breadth can be expanded, on the other hand by to show that this expanded width d.1 may be the one shown in FIG. 2a Vortex chamber 22 is reduced, if not disruptively changed, by the Eddy current in it can no longer develop so that the fiber ends 49 with the desired energy can be captured by the eddy current. This must go with empirical experiments can be determined.
  • the aforementioned yarn formation occurs after the start of a piecing process of a corresponding type, for example in which a yarn end already exists existing yarn back through the yarn guide channel 45 in the area of Spindle inlet mouth 35 is guided so far that fibers of this yarn end from already rotating airflow are opened so that new through the Fiber guiding channel 26 feed ends of fibers from this rotating Fiber structure can be captured.
  • Yarn ends will be the following parts of the newly supplied fibers already around the ends located in the mouth part of the yarn guide channel can wind around, pulled, so that as a result the aforementioned yarn with an essentially predetermined approach can be spun again.
  • the proposed device can be used to start the piecing process Continuous thread C from one end of the spinning device through the thread and Fiber guide means (4) and are injected through the yarn guide channel (46), so that he caught at the other end and z. B. attached to a wrap can.
  • the fiber guide surface 28 or the fiber delivery edge 29 can be different be shaped, e.g. B. concave, convex or wavy. These forms serve the different fiber guidance on the fiber guide surface 28 and are depending Determine fiber type and fiber length empirically. It turned out that concave for so-called “slippery fibers” and convex for so-called “sticky” fibers. there one understands “slippery” fibers those, which a weak mutual Adhesion and "sticky” fibers are those that are mutually stronger Have adhesion.
  • FIGS. 3a and 3b show a proposed solution for modifying the device shown above (FIGS. 2ff.) For inserting the continuous thread C before piecing.
  • a nozzle block 20 according to FIGS. 2 and 2.1 can be seen.
  • a part 20 'of the nozzle block 20 including the support element 37 can be opened along the line M in accordance with FIG. 2b and can be lifted off in such a way that the fiber guide surface 28 and the groove 5.1 made therein are freely accessible.
  • a continuous thread C for the production of a core yarn can be inserted effortlessly without having to be threaded through the groove 5.1.
  • the guide 5 in the form of a bore 5.2, as shown schematically in FIG.
  • part of the fiber guide element 27 ' is folded down along the line M' in accordance with FIG. 2b.1.
  • the hole 5.2 is thus exposed and the continuous thread C can be inserted.
  • an upper or lower part of the nozzle block 20 is folded away according to the groove 5.1 or bore 5.2 present on the remaining length of the thread guide means 4.
  • An endless thread C must be threaded or shot in through the tube-like element 5c in accordance with current technology; however, the distance is shortened by a short, tube-like element, smaller than the thread guiding means 4, and in the other two cases the insertion process is completely eliminated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Nonwoven Fabrics (AREA)
EP01130244.5A 2000-12-22 2001-12-19 Dispositif pour la production d'un fil d'âme Expired - Lifetime EP1223236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH25042000 2000-12-22
CH25042000 2000-12-22

Publications (3)

Publication Number Publication Date
EP1223236A2 true EP1223236A2 (fr) 2002-07-17
EP1223236A3 EP1223236A3 (fr) 2003-12-03
EP1223236B1 EP1223236B1 (fr) 2013-05-29

Family

ID=4569703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01130244.5A Expired - Lifetime EP1223236B1 (fr) 2000-12-22 2001-12-19 Dispositif pour la production d'un fil d'âme

Country Status (6)

Country Link
US (1) US6782685B2 (fr)
EP (1) EP1223236B1 (fr)
JP (1) JP4310061B2 (fr)
CN (1) CN100445441C (fr)
ES (1) ES2425214T3 (fr)
PT (1) PT1223236E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813604A1 (fr) * 2013-06-14 2014-12-17 Maschinenfabrik Rieter Ag Filière et poste de filage d'un métier à filer à jet d'air en étant équipé
EP2980284A3 (fr) * 2014-07-29 2016-03-16 Saurer Germany GmbH & Co. KG Procede de fabrication d'un fil produit par jet d'air

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4062869B2 (ja) * 2000-09-01 2008-03-19 村田機械株式会社 コアヤーン製造装置及びコアヤーン製造方法
EP1217109A3 (fr) * 2000-12-22 2003-04-02 Maschinenfabrik Rieter Ag Dispositif de filage
US20020152739A1 (en) * 2000-12-22 2002-10-24 Maschinenfabrik Rieter Ag Spinning device
US20020139102A1 (en) * 2001-03-29 2002-10-03 Murata Kikai Kabushiki Kaisha Core yarn, and method and device for manufacturing the same
ATE338838T1 (de) * 2002-03-20 2006-09-15 Rieter Ag Maschf Luftspinnvorrichtung mit kanalauskleidung
EP3385416B1 (fr) * 2007-04-17 2022-10-05 The LYCRA Company UK Limited Fils composites élastiques et tissus ainsi fabriqués et procédés et appareil de fabrication correspondants
JP5333987B2 (ja) * 2008-12-19 2013-11-06 村田機械株式会社 空気紡績機
JP5549551B2 (ja) * 2010-11-10 2014-07-16 村田機械株式会社 空気紡績装置を用いた紡績方法及び空気紡績装置
CN103215700B (zh) * 2013-04-18 2016-01-06 武汉纺织大学 一种生产花式纱的涡流复合纺纱方法
CN103938327B (zh) * 2014-03-27 2016-03-30 吴江明佳织造有限公司 双支管包缠纱供纱气管
CH709953A1 (de) * 2014-07-30 2016-02-15 Rieter Ag Maschf Verfahren zum Betrieb einer Luftspinnmaschine.
CN105088437A (zh) * 2015-09-25 2015-11-25 郑世浦 液压驱动升降且可更换过滤网的纺织用气流搓捻装置
CH712663A1 (de) * 2016-07-14 2018-01-15 Rieter Ag Maschf Verfahren zum Verarbeiten eines strangförmigen Faserverbands sowie Vorspinnmaschine.
CN108018625B (zh) * 2017-12-20 2020-05-26 东华大学 喷气涡流纺纱装置中纤维导引体及其制造方法
CN107904710A (zh) * 2017-12-21 2018-04-13 苏州市星京泽纤维科技有限公司 一种新型涡流纺纱喷嘴结构
EP3835467A1 (fr) * 2019-12-09 2021-06-16 Saurer Intelligent Technology AG Procédé de nettoyage d'un dispositif de filage à jet d'air d'un poste de filage, dispositif de filage à jet d'air et unité de formation de fil pour un tel dispositif de filage à jet d'air
CN111005111B (zh) * 2019-12-26 2021-08-17 湖北枫树线业有限公司 一种喷气涡流纺制备再生涤纶包芯缝纫线的方法
CN112708977A (zh) * 2020-12-08 2021-04-27 苏州维杰纺织有限公司 一种疏水纳米纤维混纺纱及其生产工艺
CN116288846B (zh) * 2023-03-22 2024-05-28 宁波三邦超细纤维有限公司 一种长丝高强力涤纶缝纫线加工方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307741A1 (en) * 1992-03-13 1993-09-16 Murata Machinery Ltd Pneumatic spinning appts. for untwisted short staple fibres - having set block with set drillings, and hollow spindle having pneumatic rotary drive
US5528895A (en) * 1993-09-08 1996-06-25 Murata Kikai Kabushiki Kaisha Spinning apparatus with twisting guide surface
EP0990719A1 (fr) * 1998-10-02 2000-04-05 W. SCHLAFHORST AG & CO. Métier à filer

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
BE905590A (fr) 1985-10-19 1987-02-02 Barmag Barmer Maschf Procede d'insertion d'un fil dans une filiere de texturisation.
JPH0465535A (ja) * 1990-07-04 1992-03-02 Murata Mach Ltd 紡績装置
JP2708001B2 (ja) 1995-02-10 1998-02-04 村田機械株式会社 紡績機の糸継ぎ装置
DE19804341A1 (de) 1998-02-05 1999-08-12 Rieter Ag Maschf Verfahren zur Herstellung eines Umwindegarns, Spinnmaschine zur Durchführung des Verfahrens sowie entsprechend hergestelltes Garn
DE19927838B4 (de) 1999-06-18 2008-01-31 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zur Herstellung gesponnener Fäden
JP3552618B2 (ja) 1999-12-13 2004-08-11 村田機械株式会社 コアヤーン製造方法および装置
JP4062869B2 (ja) 2000-09-01 2008-03-19 村田機械株式会社 コアヤーン製造装置及びコアヤーン製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4307741A1 (en) * 1992-03-13 1993-09-16 Murata Machinery Ltd Pneumatic spinning appts. for untwisted short staple fibres - having set block with set drillings, and hollow spindle having pneumatic rotary drive
US5528895A (en) * 1993-09-08 1996-06-25 Murata Kikai Kabushiki Kaisha Spinning apparatus with twisting guide surface
EP0990719A1 (fr) * 1998-10-02 2000-04-05 W. SCHLAFHORST AG & CO. Métier à filer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813604A1 (fr) * 2013-06-14 2014-12-17 Maschinenfabrik Rieter Ag Filière et poste de filage d'un métier à filer à jet d'air en étant équipé
EP2980284A3 (fr) * 2014-07-29 2016-03-16 Saurer Germany GmbH & Co. KG Procede de fabrication d'un fil produit par jet d'air

Also Published As

Publication number Publication date
JP2002227052A (ja) 2002-08-14
CN1362549A (zh) 2002-08-07
ES2425214T3 (es) 2013-10-14
CN100445441C (zh) 2008-12-24
PT1223236E (pt) 2013-08-22
US20020124543A1 (en) 2002-09-12
US6782685B2 (en) 2004-08-31
EP1223236B1 (fr) 2013-05-29
EP1223236A3 (fr) 2003-12-03
JP4310061B2 (ja) 2009-08-05

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