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EP1223236B1 - 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
EP1223236B1
EP1223236B1 EP01130244.5A EP01130244A EP1223236B1 EP 1223236 B1 EP1223236 B1 EP 1223236B1 EP 01130244 A EP01130244 A EP 01130244A EP 1223236 B1 EP1223236 B1 EP 1223236B1
Authority
EP
European Patent Office
Prior art keywords
thread
fibre
yarn
guide
guide means
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
EP01130244.5A
Other languages
German (de)
English (en)
Other versions
EP1223236A3 (fr
EP1223236A2 (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 an apparatus and a method for producing a spun yarn from a fiber structure which spun at least one separately fed endless thread to a core yarn, comprising a fiber guide channel with a fiber guide surface for guiding the fibers of the fiber assembly and a guide device for guiding the continuous filament in an inlet mouth of a yarn guide channel, further comprising fluid means for generating a swirling flow around the inlet mouth of the yarn guide channel.
  • a device for producing a core yarn is out DE 198 04 341 known. It is a ring spinning device, with which at least one endless thread is fed to the stretched sliver and spun together to form a yarn. However, it is not known to make a core yarn by fluid conduction.
  • An apparatus for producing a yarn of staple fibers by means of fluid guidance is therefore an object of the invention.
  • a device in which the fibers for the integration of the front fiber ends through the rear part of the fibers are guided in a fiber guide and by means of which the fibers can be detected by the produced air swirl so that a uniform and strong yarn can be produced is in US 5,528,895 described.
  • a mandrel arranged centrally to the yarn guide mandrel is provided, around which the supplied fibers extend spirally in the direction of the yarn guide channel in order to be spun. This central device prevents the introduction of an endless thread or several such, which must necessarily pass through the center of the Garn Adjustskanals.
  • the object is essentially achieved in that a fiber guide surface to a spindle with a Garn Entryskanal points, and through which the fibers are guided in a substantially flat adjacent formation against the inlet mouth of Garn Entryskanals and the fiber guide element with the fiber guide surface additionally in a fiber and thread guiding means embedded guide for the at least one endless thread, so that this at least one continuous filament can be wound by the fibers on the spindle.
  • FIG. 1a c shows a housing 1 with the housing parts 1a and 1b with a built therein nozzle block 2, which contains jet nozzles 3, by means of which an aforementioned vortex flow is generated, and a so-called fiber and thread guide means 4, here with a conveying surface for conveying the fibers F drawn, with a recessed therein guide 5 for a via a guide roller 9 from a coil S removable endless thread C, z.
  • an endless filament a staple fiber yarn, a monofilament or multifilament, for the production of a core yarn.
  • the jet nozzles 3 generate the swirling flow for the swirl through which the fibers F supplied via the chamfering guide means 4 are rotated in a direction of rotation about the end face 6a of the so-called spindle 6 and into a yarn guide channel 7 of the spindle 6 be brought into it.
  • the fibers F are conveyed in a fiber guide channel 13 on the aforementioned conveying surface of the fiber and yarn guide means 4 due to a sucked air against the end face 6a of the spindle 6.
  • the sucked air takes place due to an injector effect of the jet nozzles 3, which are provided in such a way that on the one hand generates said vortex, but on the other hand also air is sucked through the fiber guide channel 13.
  • the fiber and thread guide means 4 is preferably designed so that the fiber guide surface 28 comes to lie horizontally, as in FIG. 1a drawn, or the fiber and thread guide means 4 is against the end face 6a of the spindle out, z. B. at all, or only on some sides, tapered as in FIG. 1b ,
  • the guide 5 embedded in the fiber and thread guiding means 4 can in both cases be a groove for receiving the endless thread C or a through hole through the fiber and thread guiding means 4, through which the endless thread C is passed.
  • the fiber and thread guide means 4 ( Figure 1c ), which is preferably closer to the inlet mouth 6c, and through which the endless thread C is guided centrally to the inlet mouth 6c.
  • the tube-like element 5c is only part of the guide 5, the rest of the guide 5 in the thread guide means 4 can be designed as a groove or bore. Is the fiber and thread guide means 4 tapered towards the end 6a of the spindle 6 or provided with a tube-like element 5c, the fibers F are already at the end of Fiber and thread guide means 4 and the tube-like element 5c already very centrally directed to the yarn guide channel 7 out.
  • the fiber delivery edge 29 which lies very close to an inlet mouth 35 of a yarn guide channel 45, which is arranged within a so-called spindle 32.
  • the fiber discharge edge 29 is arranged at a predetermined distance A between the same and the inlet mouth 35, and a predetermined distance B between an imaginary plane E containing the edge parallel to a center line 47 of the yarn guide channel 45 and said center line 47.
  • 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 orifice 35 and, depending on the results of the test, lies within a range of 10 to 30% of the said diameter G.
  • the fiber delivery edge 29 has a length D.1 (FIG. Fig. 2a ), which is in a ratio of 1: 5 to the diameter G of Garn enclosureskanals 45 and from an end face 30 of a fiber conveying element 27 (according Figure 1a-c the fiber and thread guide means 4) and a fiber guide surface 28 of the element 27 is formed.
  • 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 furthermore has a guide 5.1 (a groove, Fig. 2b ) or 5.2 (a hole, Fig. 2b.1 ) for guiding the endless thread C and is guided in a recorded in the nozzle block 20 support member 37 and forms with this support member a fiber guide channel 26 forming space and has at the entrance a fiber receiving edge 31, around which the fibers are guided, which are conveyed by a fiber feed roller 39.
  • These fibers are lifted from the conveyor roller 39 by the suction conveying air by means of a suction air flow and conveyed through the fiber guide channel 26.
  • the suction air flow is produced by a jet of air generated in jet nozzles 21 with a blowing direction 38 due to an injector effect.
  • jet nozzles are, as in the Figures 2 and 2b shown in a nozzle block 20 on the one hand with an angle ⁇ to produce the aforementioned injector effect and on the other hand inclined at an angle ⁇ to produce a vortex of air which rotates with a direction of rotation 24 on a cone 36 of the fiber conveying element 27 and around spindle front surfaces 34 to form a yarn in the yarn guide channel 45 of the spindle 32 as mentioned below.
  • the fiber guide surface 28 has a recess 5.1 in the fiber guiding direction for guiding the endless thread C ( Fig. 2a from above, Fig. 2b on average). In this recess 5.1 of the endless thread C is inserted and then wound by the fibers F.
  • the fibers F delivered by the fiber conveying roller 39 are lifted off from the fiber conveying roller 39 by means of said suction air flow in the fiber guiding channel 26 and onto the fiber guiding surface 28 in a conveying direction 25 together with the endless thread C against the fiber discharge edge 29 guided.
  • the one ends of the fibers are guided through the spindle inlet mouth 35 into the yarn guide channel 45, while the other, second ends 49 of these fibers fold over as soon as these second ends are exposed and caught by the rotating air flow.
  • the fibers in the yarn guide channel 45 to the endless thread C around in this way creates a core yarn 46 which has a yarn character similar to the ring yarn.
  • the width d.1 is shown enlarged by means of dotted lines. On the one hand to show that this width can be extended, on the other hand to show that this extended width d.1 may be the one in FIG. 2a shown vortex chamber 22 reduced, if not disturbing changed by the eddy current can not develop in it so that the fiber ends 49 can be detected with the desired energy from the eddy current. This must be determined by empirical tests.
  • the aforementioned yarn formation happens after the beginning of a piecing process of any corresponding type, for example, in which a yarn end of an already existing yarn is guided back through the yarn guide channel 45 in the region of the spindle inlet port 35 so far that fibers of this yarn end so far from the already rotating air flow will be that newly fed through the fiber guide channel 26 ends of fibers can be detected by this rotating fiber strand.
  • By re-stripping the inserted yarn end are the subsequent parts of the newly supplied fibers, which already able to wind around the ends located in the mouth part of the yarn guide channel, pulled along so that, as a consequence, the aforesaid yarn can be spun again with a substantially predetermined formulation.
  • the endless thread C can be injected from one end of the spinning device through the thread and fiber guiding means (4) and through the yarn guide channel (46), so that it is grasped at the other end and z. B. can be attached to a winding.
  • the fiber guide surface 28 and the fiber discharge edge 29 may be formed differently, for. B. concave, convex or wavy. These shapes are used for different fiber guidance on the fiber guide surface 28 and are to be determined empirically depending on the fiber type and fiber length. It has been found that concave is suitable for so-called “slippery fibers” and convex for so-called “sticky” fibers. By “slippery” fibers is meant those which have a weak mutual adhesion and “sticky” fibers which have mutually stronger adhesion.
  • FIG. 3a and 3b show a proposed solution for the modification of the device shown above ( Figures 2ff.) For inserting the endless thread C before piecing.
  • FIG. 3a is a part 20 'of the nozzle block 20 including support member 37 along the line M according to the FIG. 2b hinged and can be lifted so that the fiber guide surface 28 and introduced therein groove 5.1 are freely accessible.
  • An endless thread C for producing a core yarn can be easily inserted without having to be threaded through the groove 5.1.
  • the guide 5 in the form of a bore 5.2 is, as in FIG.

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)

Claims (15)

  1. Dispositif de fabrication d'un fil filé à partir d'un ruban composite de fibres qui guipe au moins un fil sans fin (C) amené indépendamment pour donner un fil guipé (46), caractérisé par un moyen de guidage de fibres (4) comportant un canal de guidage de fibres (13, 26) ayant une surface de guidage de fibres (28) destinée à guider des fibres (F) du ruban composite de fibres dans une embouchure d'entrée (6c, 35) d'un canal de guidage de fil (7, 45), comprenant en outre un dispositif fluidique destiné à produire un écoulement turbulent autour de l'embouchure d'entrée (6c, 35) du canal de guidage de fil (7, 45), dans lequel la surface de guidage de fibres (28), sur et à travers laquelle les fibres (F) peuvent être dirigées vers l'embouchure d'entrée (6c, 35) du canal de guidage de fil (7, 45), est orientée vers le canal de guidage de fil (7, 45), comprenant en outre un guide (5, 5.1, 5.2, 5c) pour au moins un fil sans fin (C) qui est guipé par les fibres (F).
  2. Dispositif selon la revendication 1, caractérisé par le fait que ledit guide (5, 5.1, 5.2, 5c) est contenu dans le moyen de guidage des fibres et du fil (4).
  3. Dispositif selon la revendication 1, caractérisé par le fait que la surface de guidage de fibres (28) du moyen de guidage des fibres et du fil (4) présente une arête de distribution de fibres (29).
  4. Dispositif selon l'une des revendications 1 ou 3, caractérisé par le fait que le moyen de guidage des fibres et du fil (4) est configuré en s'amincissant dans la direction de l'embouchure d'entrée (6c, 35) de la broche (6, 32).
  5. Dispositif selon la revendication 1, caractérisé par le fait que le moyen de guidage des fibres et du fil (4) comporte un élément de forme tubulaire (5c) pour le guidage d'au moins un fil sans fin (C).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait que le guide (5) comprend une rainure (5.1) ménagée dans la surface de guidage de fibres (28), dont l'axe se poursuit, en étant pour l'essentiel aligné, par l'axe du canal de guidage de fil (7, 45) dans la direction de transport du fil.
  7. Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait que l'élément de forme tubulaire (5c) est constitué d'un alésage (5.2) situé au-dessous de la surface de guidage de fibres (28), dont l'axe se poursuit, en étant pour l'essentiel aligné, par l'axe du canal de guidage de fil (7, 45) dans la direction de transport du fil.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait que, afin de mettre en place au moins un fil sans fin (C), des éléments du dispositif rattachés au moyen de guidage du fil (4) peuvent être éloignés de celui-ci.
  9. Dispositif selon la revendication 8, caractérisé par le fait que les éléments du dispositif peuvent être éloignés du moyen de guidage du fil (4) au-dessus ou en dessous de l'élément de forme tubulaire (5c) de celui-ci.
  10. Dispositif selon l'une des revendications 8 ou 9, caractérisé par le fait que les éléments du dispositif peuvent être éloignés du moyen de guidage du fil (4) en utilisant une rainure (5.1) de celui-ci.
  11. Dispositif selon l'une des revendications 8 ou 9, caractérisé par le fait que les éléments du dispositif peuvent être éloignés du moyen de guidage du fil (4) au-dessous d'un alésage (5.2) de celui-ci.
  12. Procédé de fabrication d'un fil filé à partir d'un ruban composite de fibres qui guipe au moins un fil sans fin (C) amené indépendamment pour donner un fil guipé (46), avec un dispositif selon la revendication 1, caractérisé par le fait que des fibres (F) du ruban composite de fibres sont guidées par un canal de guidage de fibres (13, 26) et une surface de guidage de fibres (28) dans une embouchure d'entrée (6c, 35) d'un canal de guidage de fil (7, 45) et sont guipés autour d'au moins un fil sans fin (C) à l'aide d'un dispositif fluidique destiné à produire un écoulement turbulent autour de l'embouchure d'entrée (6c, 35) du canal de guidage de fil (7, 45), ledit au moins un fil sans fin (C) étant guidé par un guide (5) vers l'embouchure d'entrée (6c, 35) du canal de guidage de fil (7, 45).
  13. Procédé de fabrication d'un fil filé à partir d'un ruban composite de fibres selon la revendication 12, caractérisé par le fait que ledit au moins un fil sans fin (C) est placé pour le guipage dans un moyen de guidage des fibres et du fil (4).
  14. Procédé de fabrication d'un fil filé à partir d'un ruban composite de fibres selon la revendication 12, caractérisé par le fait que ledit au moins un fil sans fin (C) est envoyé pour le guipage dans un canal de guidage de fil (7, 45) et dans un moyen de guidage des fibres et du fil (4).
  15. Procédé de fabrication d'un fil filé à partir d'un ruban composite de fibres selon l'une des revendications 12 à 14, caractérisé par le fait que ledit au moins un fil sans fin (C) est guidé pour le guipage au moins partiellement dans un moyen de guidage des fibres et du fil (4).
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 EP1223236A2 (fr) 2002-07-17
EP1223236A3 EP1223236A3 (fr) 2003-12-03
EP1223236B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104233530A (zh) * 2013-06-14 2014-12-24 里特机械公司 纺纱喷嘴和装配有纺纱喷嘴的喷气式纺纱机的纺纱站

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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
US20020152739A1 (en) * 2000-12-22 2002-10-24 Maschinenfabrik Rieter Ag Spinning device
EP1217109A3 (fr) * 2000-12-22 2003-04-02 Maschinenfabrik Rieter Ag Dispositif de filage
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
WO2008130563A1 (fr) 2007-04-17 2008-10-30 International Textile Group, Inc. Fils composites élastiques et tissus fabriqués à partir de ceux-ci, et procédés et appareil pour leur fabrication
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
DE102014011210A1 (de) * 2014-07-29 2016-02-04 Saurer Germany Gmbh & Co. Kg Verfahren zur Herstellung eines luftgesponnenen Garnes
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
DE102020133359A1 (de) * 2020-12-14 2022-06-15 Saurer Spinning Solutions Gmbh & Co. Kg Multifunktionsdüse für eine Spinnmaschine
DE102022114064A1 (de) 2022-06-03 2023-12-14 Saurer Spinning Solutions Gmbh & Co. Kg Fadenabzugsdüse sowie Offenend-Spinnvorrichtung mit einer Fadenabzugsdüse
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

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JPH0465535A (ja) * 1990-07-04 1992-03-02 Murata Mach Ltd 紡績装置
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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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104233530A (zh) * 2013-06-14 2014-12-24 里特机械公司 纺纱喷嘴和装配有纺纱喷嘴的喷气式纺纱机的纺纱站
CN104233530B (zh) * 2013-06-14 2018-09-18 里特机械公司 纺纱喷嘴和装配有纺纱喷嘴的喷气式纺纱机的纺纱站

Also Published As

Publication number Publication date
US6782685B2 (en) 2004-08-31
JP4310061B2 (ja) 2009-08-05
ES2425214T3 (es) 2013-10-14
US20020124543A1 (en) 2002-09-12
JP2002227052A (ja) 2002-08-14
EP1223236A3 (fr) 2003-12-03
EP1223236A2 (fr) 2002-07-17
PT1223236E (pt) 2013-08-22
CN1362549A (zh) 2002-08-07
CN100445441C (zh) 2008-12-24

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