EP1524228B1 - Dispositif de contrôle de la pression entre une bobine de textile et un rouleau de support ou d'entraînemnt - Google Patents

Dispositif de contrôle de la pression entre une bobine de textile et un rouleau de support ou d'entraînemnt Download PDF

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Publication number
EP1524228B1
EP1524228B1 EP04019689A EP04019689A EP1524228B1 EP 1524228 B1 EP1524228 B1 EP 1524228B1 EP 04019689 A EP04019689 A EP 04019689A EP 04019689 A EP04019689 A EP 04019689A EP 1524228 B1 EP1524228 B1 EP 1524228B1
Authority
EP
European Patent Office
Prior art keywords
lever
coil
lever mechanism
centre shaft
bobbin
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
EP04019689A
Other languages
German (de)
English (en)
Other versions
EP1524228A1 (fr
Inventor
Claudia Gallwitz
Ralf Siewert
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
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1524228A1 publication Critical patent/EP1524228A1/fr
Application granted granted Critical
Publication of EP1524228B1 publication Critical patent/EP1524228B1/fr
Anticipated expiration legal-status Critical
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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
    • B65H54/40—Arrangements for rotating packages
    • B65H54/52—Drive contact pressure control, e.g. pressing 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
    • 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 device according to the preamble of claim 1.
  • Such devices for controlling the contact pressure are known in various embodiments.
  • Such a device essentially fulfills two tasks. It serves, on the one hand, to set the contact pressure of the cross-wound bobbin on a support or drive roller, and, on the other hand, to compensate for the growing weight of the cross-wound bobbin. Since the contact pressure in addition to the thread tension determines the density of the cheese, one endeavors to keep the contact pressure during the entire coil travel approximately constant.
  • the US 2,150,951 shows a possible device for compensating the growing weight of the coil with the structure of the same.
  • the DE 24 06 122 discloses a compensation device for adjusting the contact pressure during the construction of a yarn package to an exponentially decreasing setpoint course.
  • the cheese winding device in the DE 16 85 676 makes it possible to adapt the force acting on a lever mechanism by a torsion spring-loaded clamping finger force for a variety of spinning positions and thus to change the moment for the entire pivoting range by a constant factor.
  • the cross-wound bobbin above a drive roller and the creel is designed so that its center of gravity in the direction of drive roller is effective.
  • the contact pressure is at the beginning of the coil travel by a combined loading and unloading element, preferably by a force acting on a lever approach compression spring, which is supported at a setting angle, amplified. That is, at the beginning of the coil travel, the action line of the compression spring is initially behind the frame axis and exerts a counterclockwise effective torque, which leads to an additional contact pressure of the coil frame or the sleeve on the drive roller.
  • the described coil frame loading and unloading device has, in a somewhat modified form, proven itself in practice and is widely used.
  • a disadvantage of this device is that the setting of the contact pressure of the individual winding units centrally via a continuous adjustment rail, which pivots each arranged in the field of winding units Einstellwinkelhebel for the springs.
  • Particularly disadvantageous is when, as e.g. in known open-end rotor spinning machines, this adjustment rail is more or less lengthened or contracted by temperature fluctuations. As a result, the adjustment wedges are positioned differently at the beginning and at the end of the rail, resulting in a different contact pressure of the cheeses on the drive roller.
  • the adjustment is made via an angular position of the eccentric shaft, no increased space required for a longitudinal displacement is required.
  • the adjustment can be arranged for this reason between section boundaries of a multi-site textile machine.
  • it is additionally ensured that different contact pressures can be set in sections, which may be of interest, for example, for a multi-party occupancy.
  • the adjustment effort is significantly lower.
  • the pre-set contact pressure is easy to select.
  • This setting can be either continuously or for example by means of a locking disk in stages.
  • the mechanical adjustment of the contact pressure over pneumatic systems has the advantage that the pressure loss occurring over long pressure lines is avoided with the result of deviating contact pressures.
  • the inventive simple adjustment of the contact pressure is recommended especially for long machines, such as open-end rotor spinning machines.
  • the winding unit shown has a coil frame 1, in which via bobbin plate 4, which in turn are each mounted on a plate shaft 3, a bobbin tube 5 is held.
  • This bobbin tube 5 is driven by means of a drive roller 32 via frictional engagement.
  • the drive roller 32 in turn receives its drive from the drive shaft 31. This may be a drive shaft extending through the entire machine.
  • the thread 29 is wound onto the bobbin tube 5 in the illustrated form.
  • the thread 29 gets through a thread guide 30 additionally a charging movement, so that when winding a cross-wound bobbin 6 Fig. 2 ).
  • the coil frame 1 is mounted on a frame axis 2. Fixed to the coil frame 1, a lever 7 is connected, which, as arrow 34 shows, is also pivotable about the frame axis 2. About a rotary joint 8, a rocker arm 9 is hinged to the lever 7. The rocker arm 9 has pressure plates 10 and 13, on which a compression spring 11 is supported. The pressure plate 13 also has an angled portion which is pivotally connected via an ankle 12 with a lever arm 14 of an angle lever 16.
  • the angle lever 16 is fixedly mounted on a stationary, in the machine frame (not shown here) arranged axis 17. By a double arrow 35 it is indicated that this angle lever can assume 1 different angular positions, inter alia, depending on the position of the coil frame.
  • the angular position of the angle lever 16 affects an eccentric 20 which is in contact with a roller 18, which in turn is coupled via a roller shaft 19 with a further lever arm 15 of the angle lever 16.
  • the eccentric can be adjusted in both directions, which has a corresponding effect on the position of the lever arm 15 and thus the angle lever 16. This in turn determines the basic position of the pressure plate 13 and thus the lever 7 acting pressure force of the compression spring 11.
  • the change in the position of the pressure plate 13 is indicated by the double arrow 36.
  • Fig. 1 It can also be seen that the direction of action of the compression spring 11 is located behind a passing through the ankle 12 and the frame axis 2 level 38. Thus, a torque is exerted counterclockwise on the lever 7 and thus on the creel 1, which is illustrated by the arrow 34. This results in a maximum support of the contact force of the bobbin tube 5 on the drive roller 32nd
  • the ratio between coil diameter and coil weight is influenced accordingly.
  • the eccentric 20 is mounted on a continuous eccentric shaft 21.
  • This eccentric shaft 21 is mounted in bearings 24 and 25 which are mounted within frame cheeks 22 and 23.
  • the frame cheek 23 is arranged at the end of a machine section or machine unit. Adjacent to this frame cheek 23, a setting wheel 26 is attached to the eccentric shaft 21, which carries a scale. Depending on the desired contact pressure, this scaling is brought into coincidence with an indicated marking 28. At 27, a hexagon is shown, which can serve to adjust the eccentric shaft 21 by means of a tool.
  • the adjusting wheel 26 can cooperate with a locking disk, whereby a stepwise adjustment of the contact pressure can be done. Alternatively, a stepless adjustment is conceivable.
  • eccentric shaft 21 As well as the sectional arrangement of an eccentric shaft 21, it is also conceivable to let this eccentric shaft 21 extend over several sections. Depending on the length of the eccentric shaft 21 is possibly to ensure that the overlap between the eccentric 20 and roller 18 is sufficiently large, so that even at maximum thermal expansion sufficient contact between eccentric 20 and roller 18 is given. In principle, it is also recognizable a longitudinal expansion of the eccentric shaft 21 has no influence on the position of the roller 18 or of the lever arm 15 caused by the eccentric 20. This remains a thermal expansion without influence on the basic position of the angle lever 16 and thus the contact pressure of the coil frame or the bobbin on the drive shaft 32nd

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Winding Of Webs (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)

Claims (4)

  1. Dispositif pour commander la pression avec laquelle une bobine de fil textile est appliquée contre un cylindre d'appui ou d'entraînement, la bobine étant placée dans un cantre à bobines pouvant pivoter autour d'un axe et recevant, par le biais d'un mécanisme à leviers, en fonction de son orientation, un couple variable, et la course de pivotement du mécanisme à leviers qui détermine l'évolution du couple pouvant être préréglée par un dispositif de réglage central, caractérisé en ce qu'un arbre à excentrique (21) réglable de façon centrale et commun à plusieurs dispositifs de bobinage est monté dans le cantre (22, 23) du bobinoir, arbre dont l'excentrique (21) agit sur un bras de levier (15) du mécanisme à leviers (7, 9, 16) déterminant la position de base du mécanisme à leviers (7, 9, 16), et en ce que la position de base est réglable en faisant tourner l'arbre à excentrique (21).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'arbre à excentrique (21) s'étend sur un groupe de postes de bobinage d'une machine textile multiposte.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la position angulaire de l'arbre à excentrique (21) peut être préréglée par l'intermédiaire d'une molette de réglage (26) et d'une graduation.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le dispositif est placé sur un métier à filer à fibres libérées.
EP04019689A 2003-10-16 2004-08-19 Dispositif de contrôle de la pression entre une bobine de textile et un rouleau de support ou d'entraînemnt Expired - Lifetime EP1524228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348707 2003-10-16
DE10348707A DE10348707A1 (de) 2003-10-16 2003-10-16 Vorrichtung zur Steuerrung des Auflagedrucks einer Textilspule auf einer Stütz- oder Antriebswalze

Publications (2)

Publication Number Publication Date
EP1524228A1 EP1524228A1 (fr) 2005-04-20
EP1524228B1 true EP1524228B1 (fr) 2008-07-16

Family

ID=34353476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04019689A Expired - Lifetime EP1524228B1 (fr) 2003-10-16 2004-08-19 Dispositif de contrôle de la pression entre une bobine de textile et un rouleau de support ou d'entraînemnt

Country Status (4)

Country Link
US (1) US7216829B2 (fr)
EP (1) EP1524228B1 (fr)
CN (1) CN100500540C (fr)
DE (2) DE10348707A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102173353A (zh) * 2010-12-29 2011-09-07 吴江市博众精工科技有限公司 偏心轮张紧装置
CN102062184B (zh) * 2010-12-29 2013-09-25 吴江市博众精工科技有限公司 带有半齿轮的偏心轮张紧装置
CN102645368A (zh) * 2012-04-16 2012-08-22 浙江旷达纺织机械有限公司 一种通丝线弹簧测试设备上的曲柄摇杆机构
CN110697501B (zh) * 2019-09-24 2021-09-07 北京航空工艺地毯有限公司 络筒机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150951A (en) * 1936-01-15 1939-03-21 Du Pont Apparatus for the production of artificial thread
US2594509A (en) * 1948-10-02 1952-04-29 Celanese Corp Textile device
DE1685676U (de) * 1954-02-10 1954-10-21 Hermann Runge Hohlkoerper-formstein.
CH403586A (de) * 1963-08-30 1965-11-30 Schweiter Ag Maschf Antriebseinrichtung an automatischer Spulmaschine
DE1685676B2 (de) * 1967-09-18 1976-07-22 Hamel GmbH, Zwirnmaschinen, 4400 Münster Vorrichtung an spulmaschinen zum regeln des anpressdruckes von spulen mit antrieb am umfang
DE2220727A1 (de) * 1972-04-27 1973-11-08 Krupp Gmbh Einrichtung zur erzeugung des anpressdruckes fuer spulvorrichtungen
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
DE2513981A1 (de) * 1975-03-29 1976-10-07 Schlafhorst & Co W Verfahren und vorrichtung zum steuern und/oder regeln der fadenspannung beim wickeln einer textilspule
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
GB2112029B (en) * 1981-11-02 1986-06-25 Murata Machinery Ltd Yarn winding methods and apparatus
CH677918A5 (fr) * 1988-07-22 1991-07-15 Schweiter Ag Maschf
JPH0379562A (ja) * 1989-08-23 1991-04-04 Murata Mach Ltd 巻取制御方法
DE19534333B4 (de) * 1995-09-15 2009-02-19 Oerlikon Textile Gmbh & Co. Kg Spulenrahmen-Entlastungsvorrichtung für die Spuleinrichtung einer Kreuzspulen herstellenden Textilmaschine
DE29613350U1 (de) * 1996-08-05 1997-12-04 Beloit Technologies, Inc., Wilmington, Del. Belastungswalzenanordnung
DE19853316A1 (de) * 1998-11-19 2000-05-25 Stahlecker Fritz Einrichtung zum Dämpfen von Schwingungen einer Auflaufspule an Spinn-, Zwirn- oder Spulmaschinen

Also Published As

Publication number Publication date
US7216829B2 (en) 2007-05-15
EP1524228A1 (fr) 2005-04-20
CN100500540C (zh) 2009-06-17
DE10348707A1 (de) 2005-05-12
DE502004007598D1 (de) 2008-08-28
US20050082417A1 (en) 2005-04-21
CN1607170A (zh) 2005-04-20

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