EP1560961B1 - METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres - Google Patents

METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres Download PDF

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Publication number
EP1560961B1
EP1560961B1 EP03757629A EP03757629A EP1560961B1 EP 1560961 B1 EP1560961 B1 EP 1560961B1 EP 03757629 A EP03757629 A EP 03757629A EP 03757629 A EP03757629 A EP 03757629A EP 1560961 B1 EP1560961 B1 EP 1560961B1
Authority
EP
European Patent Office
Prior art keywords
spinning machine
guide
drafting
sliver
guide element
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
EP03757629A
Other languages
German (de)
English (en)
Other versions
EP1560961A1 (fr
Inventor
Rudolf Wehrli
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.)
Mondgenast Peter
Maschinenfabrik Rieter AG
Original Assignee
Mondgenast Peter
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 Mondgenast Peter, Maschinenfabrik Rieter AG filed Critical Mondgenast Peter
Publication of EP1560961A1 publication Critical patent/EP1560961A1/fr
Application granted granted Critical
Publication of EP1560961B1 publication Critical patent/EP1560961B1/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
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/72—Fibre-condensing guides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons

Definitions

  • the invention relates to a spinning machine according to the preamble of the independent claims 1 and 2. Further, it is also proposed for use in compaction spinning machines according to claim 4.
  • Such spinning machines either have a drafting system with a special outlet roller which is connected to a suction device, or it is connected to a conventional two-stage drafting system with three pairs of cylinders operating under vacuum compression device.
  • the compression takes place on a moving with the fiber structure air-permeable compression element, which is acted upon from the inside with negative pressure, wherein the compression is effected by the inflowing transversely against the fiber structure suction air.
  • the US-A-5,577,298 describes a Doppelriemchenstrecktechnik, which contains a mechanical compressor between the outlet opening of the Riemchen Insert and the nip of the delivery cylinder pair, which mechanically compresses the sliver.
  • a special guide is provided for this purpose in the main draft of the drafting system and / or before reaching the compacting device, which allows drifting apart of the drawn fibers less than in conventional drafting systems, without imposing significant changes in direction on the individual fibers.
  • this is achieved by a deflection element, the surface of which is at least coated by a part of the fibers, preferably so that all the fibers of a fiber structure are deflected in the same way and / or the same direction.
  • a prismatic deflection - rod-shaped achieved with substantially uniform cross-sections, which is arranged transversely to the flow direction of the fiber stream and is arranged in the longitudinal direction of the drafting cylinder.
  • This guide element can be arranged immediately before the emergence of the fiber structure on a compression element.
  • the direction change of the fiber structure by the guide element is preferably 1.5 to 5 °.
  • the spinning machine according to the invention in the application in a multi-cylinder drafting system, with at least 3 pairs of drafting rollers and Doppelriemchen on one of the pairs of rollers, wherein for guiding a fiber structure of one of the straps as close to a discharge cylinder, a cage is directed against a Auslaufzylindercru, which cage from the apron is entwined, is characterized by an additional rod-shaped guide either for the fiber structure or for the strap, which guide is arranged between the strap and the outlet cylinder.
  • the guide can be concave towards the outlet cylinder and convexly curved towards the fiber structure.
  • the guide can be arranged in a second embodiment between two top rollers for strapping out so that this is observed by the guide from the outside a concave deflection.
  • the additional guide for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching region and before a compression region, in particular before emergence of the fiber structure on a compression element of the compression device.
  • the spinning machine is equipped with a compacting device 1, which is connected to a drafting 1 a of the spinning machine, and characterized by an additional guide 34 for the fiber structure, which in the transport direction of the fiber structure after a drawing section 4,5 and before a compression region, in particular before emergence the fiber structure 11 is arranged on a compression element 19 of the compression device.
  • the drafting system 1a with the compression device 1 according to FIG. 1 transports a fiber structure 11 via an infeed cylinder 42 with a first top roller 42 'pressed against it by a pre-drafting field to a central cylinder 3 with a second top roller 3'.
  • the center cylinder 3 is looped by a Unterriemchen 4, which, driven by the central cylinder, passes over a bridge 40.
  • a loading device 10 according to FIG. 4 the upper roller 3 'with a Oberriemchen 5 and a cage 30 is pressed.
  • the Oberriemchen 5 is driven in contact with the Unterriemchen 3 by this, wherein the vorverzugsfeld between inlet cylinder 42 and center cylinder 3 zoom out fibers of the fiber structure 11 are retained in the main drafting zone against the train of the discharge cylinder 2.
  • the outlet cylinder 2 is designed in this embodiment as a compression element 19, that is, as an internally evacuated, perforated drum.
  • the Oberriemchen 5 wraps around the one hand, the second upper roller 3 ', on the other hand, a spacer 32 which sits on the cage 30.
  • a guide member 34 is arranged, which, as shown in FIG FIG.
  • the fiber structure 11 deflects a little, whereby a tight guidance of the fibers of the fiber structure 11 is achieved and in particular shorter fibers are prevented from dissolving from the dressing.
  • a round rod is used in particular with a diameter between 3 and 6 mm as a guide element 34.
  • the guide element 34 is arranged as close as possible to the surface of the outlet cylinder 2 or the compression element 19, with a distance of less than 1 mm.
  • the fiber structure runs after a deflection by the guide member 34 by a few degrees on the surface of the compression element 19, wherein the looping path between the nip of the third top roller 2 'and the fourth top roller 1' is located on the compression element 19.
  • a screen 19 'above the compression element 19 ensures a guidance of the incoming suction air as parallel as possible to the axis of the outlet cylinder 2.
  • the fiber structure is then preferably screwed by means of a ring spinning device 40 and wound onto a yarn package.
  • yarns in the fineness range Ne 3 to 100, preferably 3 to 50, in particular 3 to 30, can be spun.
  • the template may consist of all known spinnable fiber materials also with high short fiber content, especially carded cotton, also MMF, PES, blends. Thanks to the guide 34 become good yarn quality values reached.
  • the reference numerals in the Figures 2 and 2a apply analogously to those in FIG. 1 ,
  • FIG. 3 shows two embodiments for the attachment of the guide 34 in the drafting system.
  • the cage 30 for guiding the Oberriemchen 5 is stationary with second upper rollers 3 'to the mentioned load device 10, but pivotally mounted.
  • this extends over the entire length of a portion of the cage 30 in FIG. 3 .
  • the ends of the guide element 34 are held by holding elements 340, 340 '.
  • the holding elements 340 are fixedly attached to the ends of the cage 30, for example by means of fastening elements 342 in the form of pins or screws.
  • the holding elements 340 may be made, for example, as leaf springs made of spring steel. They can be snapped laterally into the ends of the cages by means of fastening pins 342 in bores in alignment with the fastening elements 342.
  • a relatively short guide member 34 by means of two holding elements 340, 340 ', sit at the ends tabs 342, plugged at a spacer 32 on the right longitudinal edge of the cage 30.
  • the riders 342 sit directly next to riders 320 of the spacer 32.
  • the spacer serves to guide the Oberriemchens 5, which is deflected by the deflector 33 between the riders 320.
  • the tabs 342 may be like the tabs 320 of the spacer, shown in perspective, executed, with a greater distance between the tabs 342 than between the tabs 320.
  • a holding member 340 is seated in the in FIG.
  • the guide element of the guide 34 is, as already mentioned, a preferably circular-cylindrical prismatic element.
  • the guide 34 can also be fastened directly on the deflection element 33.
  • FIG. 4 Another embodiment of a drafting system with a compression device is in FIG. 4 shown. From the drafting system 1 a only the central cylinder 3 and the outlet cylinder 2 are pressed by means of the loading device 10 top rollers 3 '(second top roller) and 2' (third top roller) shown. Between the third top roller 2 'and the fourth top roller 1' sits another roller 27, which serves to drive the fourth top roller 1 'through the third top roller 2'. Unlike the arrangement in FIG. 1 the discharge cylinder 2 is not designed as a compression element; this is on the left next to it, wherein a vacuum system 15 is wrapped by a compression element 19 in the form of an air-permeable belt.
  • the compression element 19 is moved forward by the fourth top roller 1 'with the fiber structure 11 or the yarn 25 along the compression zone 13.
  • the compression of the fiber structure 11 in the compression zone 13 takes place along a suction slot 17, is sucked through the air in the vacuum system 15.
  • the axes 8 and 21 of the third top roller 2 'and the fourth top roller 21 are held by the loading device 10.
  • the fiber structure 11 is guided by a Oberriemchen 5 on the second upper roller 3 'and a Unterriemchen 4 on the central cylinder 3 in the main drafting zone of the drafting system, between the straps 4 and 5 in a known manner a guide 34 is arranged, with which the fiber structure around a very small angle between 1.5 and 6 ° is deflected.
  • the guide member 34 may, as in connection with FIG. 3 described, be attached to a cage 5 'of Oberriemchens 5. From the nip 23 between outlet cylinder 2 and the third top roller 2 ', which is pressed against this, until reaching the compression zone 13, the fiber structure 11 can be supported by a further guide element 34'.
  • This guide element may be formed, for example, as the described guide element 34 as a circular cylindrical rod or, as indicated by dashed lines, as a flat, more or less flat guide member extending at least in the region of the fiber structure 11 along the spinning machine.
  • the first guide element 34 improves, as already described above, the cohesion of the fibers in the main drafting zone of the drafting between central cylinder 3 and outlet cylinder 2, while the second guide element 34 'serves as a kind of guide table for the fiber structure between outlet cylinder 2 and compression element 19.
  • the second nip 24 between the compacting device 1 and the fourth upper roller 1 ' limits the twist in the yarn 25, which results from a nachgeördneten spinning device.
  • the guide 34 is to be arranged so that a connecting line between the nip 23 of the outlet cylinder pair 2, 2 'and the outlet-side clamping point of the pair of straps 4, 5, the guide member 34 partially penetrates.
  • the surface condition of the deflection or guide should be selected according to the desired effect and raw material.
  • the deflection can be stored fixed or rotatable.
  • the guide element 34 may also be attached to the deflection bridge 40.
  • the guide 34 can after Fig. 5 be concave towards the outlet cylinder 2,2 'and convexly curved towards the fiber structure 11.
  • the guide 34 can according Fig. 6 between two top rollers 2 ', 3' to the strap 5 out so that this viewed from the outside through the guide 34 undergoes a concave deflection. This makes it possible to bring the strapping closer to the top roller 2 ', whereby the fiber structure 11 is guided, if not in addition, at least over a longer distance.
  • the additional guide 34 for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching region 4, 5 and before a compression region, in particular before the fiber structure 11 comes to rest on a compression element 19 of the compression device.
  • the guide 34 may be fastened with support members 340a and 340c to axes of upper rollers 2 ', 3' or to a loading arm 344.

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)
  • Preliminary Treatment Of Fibers (AREA)

Claims (15)

  1. Métier à filer comprenant un banc d'étirage multi-cylindres (1a), comprenant au moins trois paires de rouleaux d'étirage (42, 42' ; 2, 2' ; 3, 3') et des doubles courroies (4, 5) sur l'une des paires de rouleaux (3, 3'), une cage (30) étant orientée vers une paire de cylindres de sortie (2, 2') pour guider un assemblage de fibres (11) au moyen de l'une des courroies (5) aussi près que possible d'un cylindre de sortie (2'), laquelle cage (30) étant enveloppée par la courroie (5), caractérisé par un élément de guidage supplémentaire en forme de barre (34) pour l'assemblage de fibres (11), qui est disposé entre la courroie (5) et le cylindre de sortie (2, 2'), l'élément de guidage (34) étant un élément de déviation dont la surface peut être balayée au moins par une partie des fibres, de sorte que toutes les fibres d'un assemblage de fibres soient déviées dans la même direction, et l'élément de guidage (34) étant fixé au moyen d'éléments de retenue (340) sur la cage (30) pour la courroie (5) du banc d'étirage (1a).
  2. Métier à filer comprenant un banc d'étirage multi-cylindres (1 a), comprenant au moins trois paires de rouleaux d'étirage (42, 42' ; 2, 2' ; 3, 3') et des doubles courroies (4, 5) sur l'une des paires de rouleaux (3, 3'), une cage (30) étant orientée vers une paire de cylindres de sortie (2, 2') pour guider un assemblage de fibres (11) au moyen de l'une des courroies (5) aussi près que possible d'un cylindre de sortie (2'), laquelle cage (30) étant enveloppée par la courroie (5), caractérisé en ce qu'un élément de guidage supplémentaire en forme de barre (34) pour la courroie est disposé entre la courroie (5) et le cylindre de sortie (2, 2'), l'élément de guidage étant disposé entre deux cylindres supérieurs (2', 3') par rapport à la courroie (5) de telle sorte que la courroie (5) subisse une déviation concave, vue de l'extérieur, due à l'élément de guidage (34).
  3. Métier à filer selon la revendication 1, dans lequel l'élément de guidage (34) est courbé de manière concave vers le cylindre de sortie (2, 2') et de manière convexe vers l'assemblage de fibres (11).
  4. Métier à filer selon la revendication 1, dans lequel le métier à filer contient un dispositif de condensation (1) qui est raccordé à un banc d'étirage (1a) du métier à filer, et l'élément de guidage supplémentaire (34) pour l'assemblage de fibres est disposé dans la direction de transport de l'assemblage de fibres dans une région d'étirage ou après une région d'étirage (4, 5) et avant une région de condensation du dispositif de condensation (1), en particulier avant l'entrée de l'assemblage de fibres (11) sur un élément de condensation (19) du dispositif de condensation (1).
  5. Métier à filer selon la revendication 1, dans lequel l'élément de guidage (34) est disposé dans le champ d'étirage principal d'un banc d'étirage à plusieurs étages avant le cylindre de sortie (2).
  6. Métier à filer selon la revendication 1, dans lequel l'élément de guidage (34) est une barre prismatique disposée dans la direction longitudinale des cylindres du banc d'étirage.
  7. Métier à filer selon la revendication 1, dans lequel l'élément de guidage (34) est disposé de telle sorte qu'il soit traversé par une ligne de connexion ou une tangente à une fente de serrage (23) entre un cylindre de sortie (2) et un rouleau supérieur (2') pressé contre lui et le point de serrage de sortie entre une courroie supérieure (5) et une courroie inférieure (4) du banc d'étirage (1 a).
  8. Métier à filer selon la revendication 1, dans lequel l'élément de guidage est un élément de déviation dont la surface est balayée au moins par une partie des fibres, de sorte que toutes les fibres d'un assemblage de fibres soient déviées de 1,5 ... 6° dans la même direction.
  9. Métier à filer selon la revendication 1, dans lequel le guide se situe immédiatement avant la fente de serrage (23) entre le cylindre de sortie (2) et un troisième rouleau supérieur (2') du banc d'étirage pressé contre celui-ci.
  10. Métier à filer selon la revendication 1 ou 2, dans lequel le cylindre de sortie (2) du banc d'étirage (1a) est réalisé sous forme d'élément de condensation (19) d'un dispositif de condensation (1), avec une surface cylindrique perméable à l'air.
  11. Métier à filer selon la revendication 10, dans lequel le métier à filer contient un système à dépression (15), au moyen duquel on peut effectuer une condensation de l'assemblage de fibres (11) dans une zone de condensation (13) du dispositif de condensation (1).
  12. Métier à filer selon la revendication 1, dans lequel des ressorts à lame sont disposés aux extrémités d'un élément de guidage (34) et une connexion par encliquetage est disposée aux extrémités d'une cage (30) pour une courroie (5) du banc d'étirage (1a).
  13. Métier à filer selon la revendication 1, dans lequel un élément de guidage (34) pour un assemblage de fibres (11) est situé, dans le cas d'un élément de déviation (33), sur une arête d'une cage (30) pour une courroie supérieure (5) du banc d'étirage (1a), et sur une arête de la cage (30) dans le cas d'un élément d'espacement (32).
  14. Métier à filer selon la revendication 1 ou 2, dans lequel le métier à filer comprend un guide (34) avant le cylindre de sortie (2) du banc d'étirage (1a) et un autre guide (34') après le cylindre de sortie (2) et avant un dispositif de condensation (1) avec un élément de condensation (19), à chaque fois vus dans la direction de transport d'un assemblage de fibres (11) à travers le banc d'étirage (1a).
  15. Métier à filer selon la revendication 1, dans lequel le métier à filer comprend un guide (34), en forme d'élément de déviation pour l'assemblage de fibres (11) dans le champ d'étirage principal du banc d'étirage (1a) avec un angle de déviation compris entre 2 et 6°.
EP03757629A 2002-11-11 2003-11-06 METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres Expired - Lifetime EP1560961B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10252631A DE10252631A1 (de) 2002-11-11 2002-11-11 Spinnmaschine mit Verdichtungseinrichtung
DE10252631 2002-11-11
PCT/CH2003/000728 WO2004044292A1 (fr) 2002-11-11 2003-11-06 Metier a filer equipe d'un dispositif de serrage

Publications (2)

Publication Number Publication Date
EP1560961A1 EP1560961A1 (fr) 2005-08-10
EP1560961B1 true EP1560961B1 (fr) 2010-01-06

Family

ID=32115464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03757629A Expired - Lifetime EP1560961B1 (fr) 2002-11-11 2003-11-06 METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres

Country Status (7)

Country Link
EP (1) EP1560961B1 (fr)
JP (1) JP4582637B2 (fr)
CN (3) CN1774529B (fr)
AT (1) ATE454487T1 (fr)
AU (1) AU2003273720A1 (fr)
DE (3) DE20221912U1 (fr)
WO (1) WO2004044292A1 (fr)

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DE102006041770A1 (de) * 2006-09-04 2008-03-06 Maschinenfabrik Rieter Ag Faserverdichtungsvorrichtung in einem Steckwerk einer Spinnmaschine
DE102007049337A1 (de) * 2007-10-12 2009-04-16 Wilhelm Stahlecker Gmbh Streckwerk zum Verziehen eines Faserverbandes
DE102009018125A1 (de) 2009-04-09 2010-10-14 Wilhelm Stahlecker Gmbh Käfigaggregat für ein Streckwerk einer Textilmaschine
JP5526977B2 (ja) * 2010-04-23 2014-06-18 株式会社豊田自動織機 紡機のドラフト装置
DE102010034314A1 (de) 2010-08-13 2012-02-16 Wilhelm Stahlecker Gmbh Streckwerk und Trag- und Belastungsarm dafür
JP2012132105A (ja) * 2010-12-20 2012-07-12 Toyota Industries Corp 紡機におけるドラフト装置
CN103757763A (zh) * 2014-01-06 2014-04-30 天津工业大学 一种纺制包芯纱的设备及方法
CH710141A1 (de) * 2014-09-23 2016-03-31 Rieter Ag Maschf Käfigaggregat mit Führungselement für ein Streckwerk einer Textilmaschine.
CH711153A1 (de) * 2015-06-01 2016-12-15 Rieter Ag Maschf Käfig mit verstellbarer Druckstangenbefestigung für ein Druckwalzenpaar eines Streckwerks.
DE102016109170A1 (de) 2016-05-19 2017-11-23 Maschinenfabrik Rieter Ag Käfigaggregat und Führungselement
DE102019110881A1 (de) * 2019-04-26 2020-10-29 Saurer Intelligent Technology AG Riemchenstreckwerk

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DE10104784A1 (de) * 2001-01-26 2002-08-08 Fritz Stahlecker Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes

Also Published As

Publication number Publication date
AU2003273720A1 (en) 2004-06-03
CN101423989B (zh) 2011-12-28
DE20221912U1 (de) 2009-06-10
WO2004044292A1 (fr) 2004-05-27
AU2003273720A8 (en) 2004-06-03
CN1774529A (zh) 2006-05-17
ATE454487T1 (de) 2010-01-15
DE10252631A1 (de) 2004-05-19
CN1774529B (zh) 2011-12-14
DE50312325D1 (de) 2010-02-25
JP2006505703A (ja) 2006-02-16
CN101423989A (zh) 2009-05-06
CN102212901A (zh) 2011-10-12
JP4582637B2 (ja) 2010-11-17
CN102212901B (zh) 2013-02-06
EP1560961A1 (fr) 2005-08-10

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