EP1321412B1 - Bobine conique à enroulement croisé et procédé pour la formation du paquet de fil d'une telle bobine conique - Google Patents

Bobine conique à enroulement croisé et procédé pour la formation du paquet de fil d'une telle bobine conique Download PDF

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Publication number
EP1321412B1
EP1321412B1 EP02025845A EP02025845A EP1321412B1 EP 1321412 B1 EP1321412 B1 EP 1321412B1 EP 02025845 A EP02025845 A EP 02025845A EP 02025845 A EP02025845 A EP 02025845A EP 1321412 B1 EP1321412 B1 EP 1321412B1
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EP
European Patent Office
Prior art keywords
crossing angle
winding
bobbin
central zone
yarn
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
EP02025845A
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German (de)
English (en)
Other versions
EP1321412A3 (fr
EP1321412A2 (fr
Inventor
Heinz-Dieter Göbbels
Gregor Gebald
Friedemann Söll
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
Saurer GmbH and Co KG
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Filing date
Publication date
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Application filed by Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of EP1321412A2 publication Critical patent/EP1321412A2/fr
Publication of EP1321412A3 publication Critical patent/EP1321412A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/385—Preventing edge raising, e.g. creeping arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a conical cheese and a method for forming the bobbin of a conical cheese with a thread guide according to the preamble of claims 1 and 6.
  • Yarn produced on rotor spinning machines differs from the ring spun yarn in the structure of the package and in the flow behavior.
  • the rotor yarn is less hairy than the ring spun yarn and is therefore easier to unwind (easier lift off), but has a greater tendency to curl than the ring spun yarn, so that the wound yarn is pushed outwards in the edge region of the cheese from the overlying yarn layers.
  • This can form beyond the normal spool stroke of, for example, 150 mm, grown up to a width of 170 to 180 mm cross-wound bobbin. In such a case, a desired coil structure with flat faces no longer comes off.
  • Such phenomena occur with yarns of natural fibers such as cotton, especially coarse yarns, and are the more pronounced the coarser the yarn is.
  • the decreasing crossing angle with increasing cross-wound bobbin diameter limits the maximum allowable Diameter in the production of precision spools from staple fiber yarns, especially since staple fiber yarns can not be wound with arbitrarily small crossing angles in order to avoid the defects occurring at the edges. For this reason, as described, for example, in DE 100 15 933 A1, crossing angles of less than 28 ° should be avoided in rotor spinning. As a result, the precision winding, in particular when winding staple fiber yarns, only very limited useful.
  • step precision winding an approximately uniform crossing angle over the coil travel is sought. Also, with the step precision winding, the above-described density problems or problems with the stability of the coil edge in practice only slightly reduced, but not resolved.
  • the generic DE-AS 26 32 014 shows a conical cheese, which is arigetrieben by circumferential friction of a roller.
  • This drive roller has in the middle of a slightly protruding from its surface narrow friction zone with increased coefficient of friction.
  • the drive should only take place in the predetermined region of the friction zone or the friction zone of the cross-wound bobbin. Nevertheless, the cross-wound bobbin to be wound with increasing bobbin diameter can make contact with the parts of the cylindrical drive device located to the left and right next to the predetermined friction zone. As a result, the coil is no longer driven solely in the friction zone, but also at other points of the circumference.
  • New machine techniques especially in weaving, such as air jet looms, place increased demands on the running properties of the yarn.
  • the requirements can not or insufficiently meet with the known coil designs.
  • the invention has for its object to provide a comparison with known conical cheeses improved conical cheese and a process for their preparation on rotor spinning machines, especially when producing coarse yarns to create.
  • the object is achieved by a method according to claim 1 and a cross-wound bobbin according to claim 6.
  • the invention is based on the finding that when compared to the crossing angle in the middle part larger crossing angles in the edge region of the cheese, the crossing angle in the remaining wider middle part can be significantly reduced compared to usual crossing angles, without the disadvantages occurring in a reduction of the crossing angle over the entire winding width disadvantages To have to buy.
  • the reduction of the crossing angle can be driven considerably far without leading to an inadmissible hardening of the cross-wound bobbin.
  • the invention leads to an improved drape.des thread from the cheese.
  • the thread run is quieter, counteracts looping and Garnverhakungen and thus allows higher yarn withdrawal speeds.
  • the coil structure, in particular at the end faces of the cross-wound bobbin, is improved.
  • the run length of the yarn with the same bobbin diameter is significantly increased compared to a conventional bobbin of the same winding type.
  • the formation of the crossing angle ⁇ leads to an increase of the wound thread length, wherein an excellent stability of the conical bobbin can be achieved at high density.
  • the crossing angle ⁇ advantageously increases steadily from the crossing angle ⁇ M of the central zone to the crossing angle ⁇ R of the edge zone.
  • the edge zones can be dimensioned such that they occupy no more than 15% of the total winding width B WG .
  • the coil contact pressure is known to be composed of the weight of the coil and the weight of the coil frame and the force resulting from the torque applied by, for example, a torque transducer.
  • the coil contact pressure can be reduced so that not only the coil weight is compensated, but beyond discharge occurs.
  • a reciprocating thread guide for example a belt thread guide
  • a winding station for generating the traversing motion whose speed can be controlled separately from the reel speed
  • the method according to the invention for producing a cross-wound bobbin without additional structural complexity and without replacement of Run thread guide elements by the appropriate means or programming the controller in a simple manner.
  • the invention makes it possible to wind even coarse yarns with relatively low crossing angles. For example, the processing of cotton yarn with Nm 20 at a crossing angle ⁇ of 25 ° with the associated good flow properties and long run lengths still possible. Improved drainage characteristics reduce downtime by reducing the number of thread breaks during further processing of the bobbins. With the run length becoming larger as a result of the reduction in the crossing angle, it is possible to achieve a yarn quantity increased by about 15% to 25% on a conical cheese according to the invention is wound opposite a conventional coil with the same coil diameter. This leads to a significant reduction in the number of coils of a lot. This not only reduces downtime for the bobbin change at the spinning and winding stations, but also the transport costs and the transport volume during bobbin transport are reduced. The cost of handling the coils in subsequent yarn processing processes can be reduced.
  • the invention improves productivity and makes it possible to reduce costs and thus to increase overall economy in yarn production and processing.
  • FIG. 1 shows a winding device 1 at a spinning station of a rotor spinning machine producing a conical cheeses.
  • the winding device 1 has a roller 2, which drives the conical cheese 3 by means of friction.
  • the roller 2 rotates in the direction of arrow 4.
  • the cheese 3. is supported by a pivoting creel 5 and rests on the roller 2.
  • the roller 2 is acted upon by a contact pressure.
  • the thread 6 is withdrawn in the direction of the arrow 7 by means of cooperating as a pair of rollers take-off rollers 8, 9 of the spinning box 10 of the spinning station with constant yarn speed and wound on a yarn 6 reciprocating yarn guide 11 as a bobbin 12 of the cheese 3.
  • the yarn guide 11 is part of a traversing device 13 which is connected via an operative connection 14 with the motor 15 and driven by this.
  • the roller 2 is driven via the shaft 16 by a motor 17. Both the motor 15 and the motor 17 are controlled by a microprocessor 18, wherein the crossing angle ⁇ of the conical cheese 3, depending on the position of the yarn guide 11, is controllable during the respective Spulenhubes.
  • the conical cheese 25 shown in Figure 2 shows a wound on the bobbin 26 according to the invention wound bobbin 27.
  • the bobbin 27 has in the edge zones 28, 29, a cross winding with the crossing angle ⁇ R and in the middle zone 30, a cross winding with the crossing angle ⁇ M up.
  • ⁇ R in the exemplary embodiment of FIG. 2 is 35 ° and ⁇ M is 25 °.
  • the width of the zone 30 and the edge zones 28, 29 are each marked by a dashed line.
  • the winding body 27 is shown in a simplified schematic diagram, the respective course of the laid thread 6 is only partially indicated, but can be different degrees of crossing ⁇ detect.
  • the width B WG of the cheese 25 from the left spool edge 33 to the right spool edge 34 is in the embodiment 150 mm.
  • the width B WG corresponds to a stroke of the yarn guide 11.
  • FIG. 3 shows the progression of the size of the crossing angle ⁇ shown as curve 31 over the winding width B WG of the conical cross-wound bobbin, the values representing the stroke of the thread guide 11 in the representation of the cross-wound bobbin 25 of FIG. 2 from left to right (stroke of the thread guide 11) during the forward movement).
  • the setting of the crossing angle ⁇ is made in a known per se and therefore not explained in more detail manner by controlling the rotational speed of the cheese 3, 25 and the speed of traversing movement of the yarn guide 11 during the stroke.
  • the advantageously low crossing angle ⁇ of ⁇ M 25 ° in the lying between the edge zones 28, 29 zone 30 allows a higher run length with stable bobbin with the same finished diameter of, for example, 300 mm of the cheese 25, thereby 15% to 25% more yarn contains as usual coils of the same diameter.
  • the running behavior of the cheeses 3, 25 is improved by a quieter yarn path and the suppression of loops and Garnverhakmaschine.
  • the thread guide may alternatively be formed, for example, as a belt thread guide or as a grooved roller.
  • the crossing angle ⁇ can advantageously assume alternative values in a range of 30 ° to 40 ° in the edge zones 28, 29 and in the middle zone 30 in a range of 15 ° to 28 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)

Claims (8)

  1. Procédé pour former l'enroulement (12 ; 27) d'une bobine à spires croisées conique (3 ; 25) à partir de fil issu d'un métier à filer open-end (6), comprenant un guide-fil (11) qui est réglé de telle sorte que, pendant une course de la bobine, l'angle d'intersection α dans une zone centrale (30) de la course de la bobine est plus petit que celui dans le reste de la course de la bobine, caractérisé en ce que dans la zone centrale (30), un angle d'intersection αM est inférieur à 28° et supérieur à 15°, et en ce que la zone centrale (30) présentant l'angle d'intersection αM est réalisée sur plus de 50 % de la totalité de la largeur de la bobine BWG.
  2. Procédé selon la revendication 1, caractérisé en ce que l'angle d'intersection αM dans la zone centrale (30) a une valeur comprise entre 20° et 26°.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'angle d'intersection αM dans la zone centrale (30) est inférieur d'au moins 8° à l'angle d'intersection maximal αR dans les zones du bord (28, 29).
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que plus le diamètre de la bobine s'accroît, plus la force d'appui de la bobine diminue.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que plus le diamètre de la bobine s'accroît, plus la tension du fil diminue.
  6. Bobine à spires croisées (3 ; 25) dotée d'un enroulement conique (12 ; 27), dont chaque couche de fil présente, dans une zone centrale (30) de la course de la bobine, un angle d'intersection α qui est plus petit que dans le reste de la course de la bobine, caractérisée en ce que l'angle d'intersection αM dans la zone centrale (30) est inférieur à 28° et supérieur à 15°, et en ce que la zone centrale (30) est réalisée sur plus de 50 % de la totalité de la largeur de la bobine BWG.
  7. Bobine à spires croisées selon la revendication 6, caractérisée en ce que l'angle d'intersection αM dans la zone centrale (30) est inférieur d'au moins 8° à l'angle d'intersection maximal αR dans les zones du bord (28, 29).
  8. Bobine à spires croisées selon la revendication 6 ou 7, caractérisée en ce que l'angle d'intersection αM dans la zone centrale (30) a une valeur comprise entre 20° et 26°.
EP02025845A 2001-12-20 2002-11-19 Bobine conique à enroulement croisé et procédé pour la formation du paquet de fil d'une telle bobine conique Expired - Lifetime EP1321412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10162778A DE10162778A1 (de) 2001-12-20 2001-12-20 Konische Kreuzspule und Verfahren zur Bildung des Wickelkörpers einer konischen Kreuzspule
DE10162778 2001-12-20

Publications (3)

Publication Number Publication Date
EP1321412A2 EP1321412A2 (fr) 2003-06-25
EP1321412A3 EP1321412A3 (fr) 2003-09-17
EP1321412B1 true EP1321412B1 (fr) 2006-04-05

Family

ID=7710053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025845A Expired - Lifetime EP1321412B1 (fr) 2001-12-20 2002-11-19 Bobine conique à enroulement croisé et procédé pour la formation du paquet de fil d'une telle bobine conique

Country Status (4)

Country Link
US (1) US6886771B2 (fr)
EP (1) EP1321412B1 (fr)
CN (1) CN1269711C (fr)
DE (2) DE10162778A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005001094A1 (de) * 2005-01-08 2006-07-20 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102007062632A1 (de) * 2007-12-22 2009-06-25 Oerlikon Textile Gmbh & Co. Kg Für das Färben vorgesehene Spule und Vorrichtung zur Herstellung einer solchen Spule
JP2012250810A (ja) * 2011-06-02 2012-12-20 Murata Machinery Ltd 糸巻取装置
CN107089555A (zh) * 2017-06-14 2017-08-25 深圳市铁工机自动化技术有限公司 一种用于塑料导爆管的环绕式集线桶
CN112458577B (zh) * 2020-11-13 2022-12-13 广东新会美达锦纶股份有限公司 加捻机卷绕装置提升dty卷重工艺

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US954344A (en) * 1909-12-06 1910-04-05 Draper Co Cylindrical ball of yarn.
US1789702A (en) * 1927-05-24 1931-01-20 Du Pont Rayon Co Skeining
US2281747A (en) * 1939-11-15 1942-05-05 Foster Machine Co Winding apparatus
US2301713A (en) * 1940-01-04 1942-11-10 Warren A Seem Yarn package and method of winding same
GB1113065A (en) * 1964-05-11 1968-05-08 Klinger Mfg Co Ltd Method and apparatus for forming a package of yarn
US3638872A (en) * 1968-03-28 1972-02-01 Du Pont Process for winding a yarn package
GB1429647A (en) 1972-06-16 1976-03-24 Ici Ltd Yarn packages and winding methods therefor
US3991950A (en) 1973-02-09 1976-11-16 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Method and apparatus for making yarn packages of cheese form by a textile machine
DE2518646C2 (de) * 1975-04-26 1986-08-21 W. Schlafhorst & Co, 4050 Mönchengladbach Vorrichtung zur Steuerung des Auflagedruckes einer Textilspule auf eine Stütz- oder Antriebswalze
DE2632014C3 (de) * 1976-07-16 1980-08-21 W. Schlafhorst & Co, 4050 Moenchengladbach Wickelvorrichtung
US4771960A (en) * 1985-02-20 1988-09-20 Teijin Seiki Co., Ltd. Method for winding a cross-wound package
DE3825413A1 (de) * 1988-07-27 1990-02-01 Schlafhorst & Co W Verfahren zur fadenverlegung auf einer kreuzspule
DE4310905A1 (de) * 1993-04-02 1994-10-06 Schlafhorst & Co W Verfahren und Vorrichtung zur Fadenverlegung auf einer Kreuzspule
JP2859557B2 (ja) 1995-04-11 1999-02-17 村上 和子 織機用糸のラージパッケージおよびそれを製造するワインダー
TW368490B (en) * 1997-02-27 1999-09-01 Barmag Barmer Maschf Method of and apparatus for winding a continuously advancing textile yarn into a core supported package by controlling the acceleration and/or deceleration of the yarn guide to modify the yarn deposit in the package edges
JP3365975B2 (ja) 1999-05-28 2003-01-14 東レエンジニアリング株式会社 糸条巻取り方法
DE10015933B4 (de) 2000-03-30 2015-09-03 Saurer Germany Gmbh & Co. Kg Verfahren zum Herstellen einer Stufenpräzisionswicklung
ITMI20010682A1 (it) * 2000-04-20 2002-09-30 Schlafhorst & Co W Procedimento per produrre una bobina incrociata e bobina incrociata ottenuta con esso

Also Published As

Publication number Publication date
US6886771B2 (en) 2005-05-03
DE10162778A1 (de) 2003-07-03
DE50206302D1 (de) 2006-05-18
EP1321412A3 (fr) 2003-09-17
US20030116673A1 (en) 2003-06-26
EP1321412A2 (fr) 2003-06-25
CN1269711C (zh) 2006-08-16
CN1426947A (zh) 2003-07-02

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