EP1134309B1 - Dispositif d'étirage suit par une zone de condensation dans une machine de filature - Google Patents

Dispositif d'étirage suit par une zone de condensation dans une machine de filature Download PDF

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Publication number
EP1134309B1
EP1134309B1 EP01105540A EP01105540A EP1134309B1 EP 1134309 B1 EP1134309 B1 EP 1134309B1 EP 01105540 A EP01105540 A EP 01105540A EP 01105540 A EP01105540 A EP 01105540A EP 1134309 B1 EP1134309 B1 EP 1134309B1
Authority
EP
European Patent Office
Prior art keywords
roller
rollers
pressure element
drawframe
pair
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
EP01105540A
Other languages
German (de)
English (en)
Other versions
EP1134309A1 (fr
Inventor
Friedrich Dinkelmann
Andreas Dr. Olbrich
Detlef Buschlüter
Angelika Stoll
Rainer Löscher
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Zinser Textilmaschinen GmbH
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
Priority claimed from DE10050089A external-priority patent/DE10050089C2/de
Application filed by Zinser Textilmaschinen GmbH filed Critical Zinser Textilmaschinen GmbH
Publication of EP1134309A1 publication Critical patent/EP1134309A1/fr
Application granted granted Critical
Publication of EP1134309B1 publication Critical patent/EP1134309B1/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
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
    • 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
    • D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
    • D01H1/025—Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit
    • 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
    • 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

Definitions

  • the invention relates to a drafting system for a spinning machine a fiber bundling zone downstream of a pair of output rollers of the drafting system, which is a pneumatic compression device with one of a perforated means of transport wrapped around the suction shoe a vacuum source is connected, the fiber bundling zone through two nips is limited, the first by the two rollers of the pair of output rollers is defined.
  • a drafting system for spinning machines is already part of the state of the art a fiber bundling zone known (DE 19 708 410 A1). Here is between a pair of output rollers of the drafting system and another Delivery roller pair the fiber bundling zone.
  • This has a suction shoe, which together with a delivery roller from a perforated strap as Is wrapped around.
  • the suction shoe is connected to a vacuum source connected; the suction air flow acts through the perforated straps.
  • the fiber structure leaving the drafting system becomes transverse to the direction of transport exposed suction air flow and in this way in the Fiber bundling zone compressed.
  • the prior art also includes a device for compressing a stretched fiber dressing (DE 198 46 268 A1).
  • a clamping roller is assigned to the drafting system on the outlet side, which is driven by one of the drafting unit output rollers.
  • the drafting unit exit roller and the pinch roller are via a gear link, for example a traction device or a gear set.
  • this known Construction has the disadvantage that the gear members mentioned for Flyovers are particularly susceptible and tend to undesirably wrap.
  • the present invention is based on the object of the number of flight-prone Reduce components for a compression device and a easy retrofitting option on ring spinning machines with conventional ones To reach drafting systems.
  • the peripheral portion of the top roller can of the pair of output rollers be part of the second nip.
  • a pressure-loaded deflection roller is the pressure element for the second clamping point.
  • the deflection roller can be by at least one spring be loaded, that is, the means of transport is loaded by the spring Deflection roller pressed against the output roller of the drafting system and by this driven.
  • the deflection roller and the output roller form the nip, which prevents the yarn twist from entering the fiber bundling zone can reproduce into it.
  • the guide rollers are arranged in pairs, similar to that Top rollers of the drafting system.
  • this suction shoe the pressure element for the second terminal point.
  • deflection rollers can be dispensed with be, the suction shoe on all sides by the means of transport, preferably by is wrapped around a perforated strap and a dual function exercises that he defines the second nip.
  • the pressure element can be used as a Screening element provided screening roller be formed.
  • Screening element can by Shielding element on its circumference only in the area of a compression zone be suckable.
  • the shielding element is on the inside of the screen roller arranged.
  • the pressure element can be used as at least one recess and with a fixed shielding element provided hollow shaft may be formed, the hollow shaft, for example with several recesses distributed over the circumference can be equipped.
  • the hollow shaft has at least one circumferential groove in which the shielding element is arranged. Outside the area of the groove is on the outer circumference the hollow shaft guided the perforated means of transport.
  • each with an output speed analogous to that of the output rollers driven each with an output speed analogous to that of the output rollers driven.
  • overdelivery or underdelivery to work.
  • the take-off speed is higher.
  • the pressure element is correspondingly in a further embodiment of the invention can be driven directly by the top roller of the pair of output rollers. in this connection there may be a different gear ratio between the driving Top roller of the pair of output rollers and the driven pressure element available.
  • the pressure element each end have a collar, which by the outer circumference of the Top roller is applied.
  • the top roller of the pair of output rollers each end has a collar which through the outer circumference of the pressure element can be acted upon.
  • Fig. 1 is a drafting system 1 for a spinning machine for bundling a the drafting system to be warped fiber structure 10.
  • a first pair of rollers 2 and a second pair of rollers 3 application the second roller pair 3 an output roller pair 4 with top roller 4.1 and bottom roller 4.2 is subordinate.
  • the pair of output rollers 4 In the area between the second pair of rollers 3 and the main draft of the fiber assembly 10 takes place the pair of output rollers 4.
  • a fiber bundling zone 5 is connected to the output roller pair 4 a pneumatic compression device 6 (Fig. 2), which one of contains a perforated transport means 7 wrapped around suction shoe 12 is connected via a line 14 to a vacuum source 15.
  • the fiber bundling zone 5 is delimited by two nip points K 1 and K 2 , the first nip point K 1 being defined by the two rollers 4.1 and 4.2 of the pair of output rollers 4.
  • the second clamping point K 2 is formed by a pressure element 25 of the compression device 6 acting on a peripheral partial area of one of the rollers 4.1 and 4.2 of the pair of output rollers 4.
  • the peripheral partial region of the top roller 4.1 of the pair of rollers 4 is part of the second clamping point K 2 .
  • the pressure-loaded deflection roller 18 represents the pressure element 25 for the second nip K 2 .
  • the fiber bundling zone 5 in this known construction is delimited by the first nip point K 1 of the output rollers 4.1 and 4.2 and by the second nip point K 2 between the top roller 4.1 and the deflection roller 18. This second clamping point K 2 prevents the yarn twist of the fiber assembly 10 from being able to propagate into the fiber bundling zone 5.
  • the deflecting roller 18 directly adjoining the suction shoe 12 is preferably pressed in the direction of the arrow against the upper roller 4.1 of the pair of rollers 4 by a spring (not shown in more detail) and, as stated above, forms the nip point K 2 .
  • the deflection rollers 18 and 20 can be used for easier operation of the drafting system be arranged in pairs, similar to the top rollers of the drafting system.
  • FIG 3 shows another possible embodiment of the invention, in which no deflecting rollers 18 and 20 are provided.
  • the suction shoe 12 ' is wrapped on all sides by the transport means 7 and forms the pressure element 25' for the second clamping point K 2 in cooperation with a peripheral region of the top roller 4.1 of the pair of output rollers 4.
  • Fig. 4 shows another embodiment of the invention:
  • Pressure element 25 as a screening roller 30 provided with a shielding element 35 formed, which represents the suction shoe 12 ".
  • the shielding element 35 is the screen roller 30 on its circumference only in the region of a compression zone V suckable.
  • the shielding element 35 is preferably located on the inside the screen roller.
  • the hollow shaft 38 is preferably provided with a plurality of recesses 33, 33 ', 33 "and 33'” distributed over the circumference.
  • the hollow shaft 38 has at least one circumferential groove 40, in which the shielding element 35 is only exemplary and schematic bracket 43 shown is arranged fixed.
  • the hollow shaft 38 forms a deflecting roller 18 ', the transport means provided with perforations 8 7 is guided over this deflection roller 18 'and a further deflection roller 20'.
  • the perforated transport means 7 runs outside the area of the groove 40 on the outer circumference of the hollow shaft 38.
  • the shielding element 35 ' which is arranged in a fixed manner, in turn causes that the perforated transport means 7 only in the area of the compression zone V is sucked.
  • the screen roller 30 is part of the second nip K 2
  • the hollow shaft 38 is part of the second nip K 2 , each in cooperation with the top roller 4.1 of the pair of rollers 4.
  • the pressure element 25 or 6 "and 7" show an illustration in the direction of arrow A according to FIG. 1.
  • the pressure element 25 or 25 "driven directly by the top roller 4.1 of the output roller pair 4 becomes.
  • a different transmission ratio can advantageously be used between the driving top roller 4.1 of the output roller pair 4 and the driven pressure element 25 or 25 "to be a so-called To create overdelivery or underdelivery.
  • the pressure element 25 is included a collar 45 and 45 'provided by the outer circumference of the top roller 4.1 can be acted upon.
  • the peripheral speed of the top roller 4.1 is equal to that of the federal government 45 or 45 '.
  • the peripheral speed of the Wave 25, on the other hand, is smaller by the desired reduction. That is also the running speed of the strappy 7 slower.
  • the top roller 4.1 of the Output roller pair 4 each have a collar 55 and 55 ', which can be acted upon by the outer circumference of the pressure element 25 or 25 ".
  • the peripheral speed of the federal 55 or 55 'of the top roller 4.1 is equal to that of the pressure element 18. This is the peripheral speed of the pressure element 18 larger than that of the top roller 4.1. This is as a result, the running speed of the strappy 7 is greater.
  • the embodiments according to FIGS. 6 and 7 therefore have the advantage that depending on the material to be processed with so-called over or Underdelivery can be worked.
  • the delivery speed can advantageously be higher than the take-off speed, i.e. so-called tradition.
  • a lower tensioning delay can be desired for other fibers, in which case the corresponding take-off speed is higher, i.e. a so-called underdelivery exists.
  • the overdelivery or underdelivery desired in practice is generally between 2% and 10%. Accordingly, the gradation of the diameters falls the bundles 45 and 45 'or 55 and 55' low. In practice there are gradations of a few millimeters or less than a millimeter.
  • the delivery roller 18 prevents the yarn from twisting can propagate into the compression zone. This effect will too then still satisfied if between output roller 4.1 and delivery roller 18, i.e. Pressure element 25 a small gap with a depth of approximately one millimeter is available.
  • the Diameter of the deflection roller 18, i.e. the delivery roller selected so that for the desired reduction is realized by a step of about one millimeter is.
  • the direct drive is maintained by the output roller 4.1 and the reduction takes place advantageously without additional drive wheels or Transfer agents.
  • a so-called tradition takes place in the embodiment according to FIG. 7

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (18)

  1. Banc d'étirage (1) pour un métier à filer, comprenant une zone de mise en faisceau de fibres (5) placée après une paire de cylindres de départ (4) du banc d'étirage (1), laquelle contient un dispositif de compression pneumatique (6) avec un sabot d'aspiration (12 ; 12' ; 12" ; 12''') entouré par un moyen de transport (7) perforé, qui est raccordé à une source de vide (15), la zone de mise en faisceau de fibres (5) étant limitée par deux points de serrage (K1, K2), dont le premier (K1) est défini par les deux cylindres (4.1 ; 4.2) de la paire de cylindres de départ (4), caractérisé en ce que le deuxième point de serrage (K2) est formé par un élément de compression (25 ; 25' ; 25'' ; 25''') du dispositif de compression (6) sollicitant une région partielle périphérique de l'un des cylindres (4.1 ; 4.2) de la paire de cylindres de départ (4).
  2. Banc d'étirage selon la revendication 1, caractérisé en ce que la région partielle périphérique du cylindre supérieur (4.1) de la paire de cylindres de départ (4) fait partie du deuxième point de serrage (K2).
  3. Banc d'étirage selon la revendication 1, dans lequel le moyen de transport (7) est guidé sur deux cylindres déflecteurs (18, 20 ; 18', 20'), caractérisé en ce que l'un des cylindres déflecteurs (18 ; 18') sollicité en pression est l'élément de compression (25, 25''') pour le deuxième point de serrage (K2).
  4. Banc d'étirage selon la revendication 3, caractérisé en ce que le cylindre déflecteur (18) est sollicité par au moins un ressort.
  5. Banc d'étirage selon la revendication 3 ou 4, caractérisé par des cylindres déflecteurs disposés par paire.
  6. Banc d'étirage selon la revendication 1 ou 2, dans lequel le moyen de transport (7) entoure le sabot d'aspiration (12'), caractérisé en ce que le sabot d'aspiration (12') est l'élément de compression (25') pour le deuxième point de serrage (K2).
  7. Banc d'étirage selon la revendication 1 ou 2, caractérisé en ce que l'élément de compression (25") est réalisé en tant que cylindre à tamis (30) pourvu d'un élément de protection (35) (figure 4).
  8. Banc d'étirage selon la revendication 7, caractérisé en ce que le cylindre à tamis (30) peut être soumis à une aspiration sur sa périphérique uniquement dans une zone de compression, à travers l'élément de protection (35) .
  9. Banc d'étirage selon la revendication 7 et 8, caractérisé en ce que l'élément de protection (35) est disposé du côté interne du cylindre à tamis (30) .
  10. Banc d'étirage selon la revendication 3, caractérisé en ce que l'élément de compression (25''') est réalisé en tant qu'arbre creux (38) avec au moins un évidement (33) et avec un élément de protection fixe (35').
  11. Banc d'étirage selon la revendication 10, caractérisé en ce que l'arbre creux (38) est pourvu de plusieurs évidements (33, 33', 33'', 33"') répartis sur la périphérie.
  12. Banc d'étirage selon la revendication 10 ou 11, caractérisé en ce que l'arbre creux (38) présente au moins une rainure périphérique (40) dans laquelle est disposé l'élément de protection (35').
  13. Banc d'étirage selon la revendication 12, caractérisé en ce que le moyen de transport perforé (7) est disposé en dehors de la région de la rainure (40) sur la périphérie extérieure de l'arbre creux (38).
  14. Banc d'étirage selon la revendication 13, caractérisé en ce que le moyen de transport (7) est guidé sur l'arbre creux (38) réalisé sous forme de cylindre déflecteur (18') et sur l'autre cylindre déflecteur (20').
  15. Banc d'étirage selon les revendications 1 à 3 ou 7 à 9, caractérisé en ce que l'élément de compression (25 ; 25'') peut être directement entraíné par le cylindre supérieur (4.1) de la paire de cylindres de départ (4).
  16. Banc d'étirage selon la revendication 15, caractérisé par un rapport de démultiplication différent entre le cylindre supérieur menant (4.1) de la paire de cylindres de départ (4) et l'élément de compression mené (25, 25").
  17. Banc d'étirage selon la revendication 15 et 16, caractérisé en ce que l'élément de compression (25) présente du côté de l'extrémité à chaque fois un épaulement (45, 45') qui peut être sollicité par la périphérie extérieure du cylindre supérieur (4.1) (figure 6) .
  18. Banc d'étirage selon la revendication 15 et 16, caractérisé en ce que le cylindre supérieur (4.1) de la paire de cylindres de départ (4) présente du côté de l'extrémité à chaque fois un épaulement (55, 55'), qui peut être sollicité par la périphérie extérieure de l'élément de compression (25 ; 25'') (figure 7).
EP01105540A 2000-03-08 2001-03-06 Dispositif d'étirage suit par une zone de condensation dans une machine de filature Expired - Lifetime EP1134309B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10011242 2000-03-08
DE10011242 2000-03-08
DE10050089A DE10050089C2 (de) 2000-03-08 2000-10-10 Streckwerk für eine Spinnereimaschine
DE10050089 2000-10-10

Publications (2)

Publication Number Publication Date
EP1134309A1 EP1134309A1 (fr) 2001-09-19
EP1134309B1 true EP1134309B1 (fr) 2003-12-17

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EP01105540A Expired - Lifetime EP1134309B1 (fr) 2000-03-08 2001-03-06 Dispositif d'étirage suit par une zone de condensation dans une machine de filature

Country Status (3)

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US (1) US6324825B2 (fr)
EP (1) EP1134309B1 (fr)
JP (1) JP2001279539A (fr)

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DE10145443A1 (de) * 2001-09-14 2003-04-03 Rieter Ag Maschf Spinnmaschine mit Verdichtungseinrichtung
DE10227463C1 (de) * 2002-06-20 2003-10-16 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit Streckwerken und Verdichtungsvorrichtungen
DE102004037957A1 (de) * 2003-10-17 2005-05-19 Trützschler GmbH & Co KG Vorrichtung an einer Strecke mit einer Absaugeinrichtung für Staub, Faserflug u. dgl.
JP4844336B2 (ja) * 2006-10-11 2011-12-28 株式会社豊田自動織機 紡機における繊維束集束装置
DE102007013109A1 (de) * 2007-03-15 2008-09-18 Sipra Patententwicklungs- Und Beteiligungsgesellschaft Mbh Vorrichtung zur Verarbeitung von Fasermaterial
CH704133A2 (de) * 2010-11-26 2012-05-31 Rieter Ag Maschf Vorrichtung zum Verdichten eines Faserbandes an einer Spinnmaschine.
CH705307A1 (de) * 2011-07-25 2013-01-31 Rieter Ag Maschf Spinnmaschine mit einer Verdichtungsvorrichtung.
CH705308A1 (de) * 2011-07-25 2013-01-31 Rieter Ag Maschf Verdichtungsvorrichtung für eine Spinnmaschine.
CH706258A2 (de) 2012-03-21 2013-09-30 Rieter Ag Maschf Tragelement für eine Verdichtungsvorrichtung.
CN103603102A (zh) * 2013-09-29 2014-02-26 陈伟雄 一种环锭细纱负压气流槽聚法纺纱方法与装置
CH709312A1 (de) * 2014-02-27 2015-08-28 Rieter Ag Maschf Verdichtungsvorrichtung mit Saugtrommel.
CN105862196B (zh) * 2016-06-21 2017-12-05 山西鸿基科技股份有限公司 一种用于紧密纺负压与落棉吸风的管路集成系统
CN106048792B (zh) * 2016-08-15 2018-03-06 海宁市富利达纺织有限公司 一种并条机
DE102017130219A1 (de) * 2017-12-15 2019-06-19 Maschinenfabrik Rieter Ag Spinnereimaschine und Verdichtungsvorrichtung
CH714445A1 (de) 2017-12-15 2019-06-28 Rieter Ag Maschf Streckwerk für eine Spinnmaschine mit einer Verdichtungsvorrichtung.
CH714446A1 (de) 2017-12-15 2019-06-28 Rieter Ag Maschf Saugrohr für eine Verdichtungsvorrichtung einer Spinnmaschine.
CH714448A1 (de) 2017-12-15 2019-06-28 Rieter Ag Maschf Vorrichtung und Streckwerk zur Verdichtung eines Faserverbandes.
CH714444A1 (de) * 2017-12-15 2019-06-28 Rieter Ag Maschf Streckwerk für eine Spinnmaschine mit einer Verdichtungsvorrichtung.
CH714447A1 (de) * 2017-12-15 2019-06-28 Rieter Ag Maschf Streckwerk für eine Spinnmaschine mit einer Verdichtungsvorrichtung und Verfahren zur Verdichtung eines Faserverbandes.
CN108914273B (zh) * 2018-07-03 2020-11-06 浙江常山康辉纺织有限公司 一种纱线牵伸混合装置
CN108914272B (zh) * 2018-07-03 2020-10-09 江苏成华纺织有限公司 一种纱线牵伸装置
DE102018006100A1 (de) * 2018-08-03 2020-02-06 Saurer Spinning Solutions Gmbh & Co. Kg Streckwerkeinheit und Streckwerk für eine Spinnmaschine
DE102019115219A1 (de) * 2019-06-05 2020-12-10 Maschinenfabrik Rieter Ag Saugrohr für eine Verdichtungsvorrichtung und Vorrichtung zum pneumatischen Verdichten eines verstreckten Faserverbandes
JP7251345B2 (ja) * 2019-06-19 2023-04-04 株式会社豊田自動織機 精紡機

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DE19856121C2 (de) * 1998-12-04 2003-12-18 Zinser Textilmaschinen Gmbh Verfahren und Vorrichtung zur Herstellung von verdichtetem Garn

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Publication number Publication date
US6324825B2 (en) 2001-12-04
EP1134309A1 (fr) 2001-09-19
US20010020357A1 (en) 2001-09-13
JP2001279539A (ja) 2001-10-10

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