EP1765705B1 - Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine - Google Patents

Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine Download PDF

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Publication number
EP1765705B1
EP1765705B1 EP05739504A EP05739504A EP1765705B1 EP 1765705 B1 EP1765705 B1 EP 1765705B1 EP 05739504 A EP05739504 A EP 05739504A EP 05739504 A EP05739504 A EP 05739504A EP 1765705 B1 EP1765705 B1 EP 1765705B1
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EP
European Patent Office
Prior art keywords
creel
loading
actuator
relieving device
relieving
Prior art date
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Application number
EP05739504A
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German (de)
English (en)
French (fr)
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EP1765705A1 (de
Inventor
Jürgen Meyer
Wilhelm Oehrl
Dietmar Engelhardt
Maximilian Preutenborbeck
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
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Oerlikon Textile GmbH and Co KG
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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 creel loading and unloading device for a winding device of a cross-wound producing textile machine according to the preamble of claim 1.
  • Spulrahmen- loading and unloading devices meet during the production of a package essentially two tasks. On the one hand they should ensure a minimum contact pressure of the sleeve or the still relatively easy package on the associated drive roller at the beginning of the coil travel, and on the other hand, they should counteract during the coil travel growing with increasing package coil weight.
  • the line of action of the compression spring is behind the frame axis, that on the creel initially an additional torque in terms of "increase contact pressure" is effective.
  • the creel pivots in a position in which the line of action of the compression spring points exactly through the pivot axis of the creel. In this position, the spring force of the loading and unloading element is neutralized.
  • the line of action of the compression spring then moves in front of the pivot axis of the coil frame, that is, the coil frame is now subjected to a torque in the sense "relieve the coil frame".
  • creel loading and unloading device has, in a somewhat modified embodiment, proven in practice and has long been in high volume in use.
  • a disadvantage of this device is that the adjustment of the contact pressure of the individual winding units is centrally via a continuous adjustment rail, which always lengthen or shorten slightly with temperature fluctuations.
  • a continuous adjustment rail which pivots in the region of the winding stations each arranged there an adjustment angle for the compression springs, therefore, can be set to the individual winding units of the textile machine hardly uniform support pressures.
  • the DE 39 11 854 C2 describes a pad pressure control device, which via a package reel diameter detecting means, a pad pressure correction determining means and a pneumatic drive device has. That is, in this known winding device, the instantaneous diameter of the cross-wound bobbin is first computationally determined from the speed ratio of drive roller and cross-wound bobbin and the known diameter of the drive roller. Subsequently, taking into account a given bearing pressure correction curve by means of a pneumatic thrust piston gear which engages an arm of the creel, the contact pressure of the cross-wound bobbin on the drive roller is adjusted.
  • both a mechanical loading element and a pneumatic cylinder engage on the creel.
  • An embodiment describes, for example, a double-acting pneumatic cylinder, which is connected to two air pressure networks, each having a different pressure level.
  • the DE 41 11 617 A1 describes a device for controlling the contact pressure in a winding device, which has a set on the coil frame, variable length lever arm.
  • the piston rod of a working cylinder is articulated to this lever arm via a joint equipped with feeler rollers.
  • the sensing rollers are each guided in a replaceable control link, on the form of the contact pressure of the package on its drive roller is adjustable.
  • a Spulenrahmen- loading and unloading device which has both a thrust piston gear and an attacking on the creel, mechanical force introduction means.
  • the thrust piston mechanism acts during the normal winding operation as a damping cylinder and, if necessary, can also be used as a drive for lifting the cross-wound bobbin from the drive roller.
  • the force acting on the creel, mechanical force introduction means consists of a rotatably connected to the creel first toothed segment, which meshes with a second toothed segment, which in turn is rotatably mounted on a lever element which is mounted in the winding unit housing limited.
  • a tension spring which is connected under pretension with an adjustment lever which can be fixed in different positions on the winding unit housing. That is, on the position of the actuating lever, the direction of action of the tension spring and thus the amount of stress on the creel or the bearing pressure, for example, to produce soft, medium or hard cheeses, can be set.
  • the invention is therefore an object of the invention to improve such devices. That is, to provide a creel loading and unloading device which is designed so that the contact pressure of each winding unit is easily and accurately adjusted in a simple manner and that, if necessary, a correction of the set contact pressure is also possible at any time without any problems.
  • a coil frame loading and unloading device offers the advantage that both the size and the effective direction of an additional torque can be adjusted by a defined displacement of an actuator in a simple and very accurate manner, which by a force on the actuator supported on the coil frame is applied.
  • the force introduction means is designed as an air spring. That is, a pneumatic thrust piston transmission is articulated, for example, with its cylinder housing to an abutment of the actuator and its piston rod to a rotatably connected to the coil frame lever arm.
  • the embodiment according to the invention it is not only possible; It is also possible to accurately set the contact pressure according to the present material and the desired density of the package and to keep it almost constant during the entire package travel, but it is also possible to work with a package contact pressure that changes in the course of the package travel.
  • the actuator can be positioned by means of an electric motor drive, within a predetermined adjustment range, easily in any position and thus the additional loading or unloading torque, which is to act on the creel, are sensitively and reproducibly adjusted.
  • the coil contact pressure can be flexibly connected to the respectively present one If desired, either hard, medium or soft cheeses can be produced.
  • the electromotive drive is preferably connected via a self-locking worm gear with the actuator.
  • a self-locking worm gear for example, has the advantage that during the winding operation for fixing the position of the actuator no electrical energy is necessary.
  • Such per se known worm gears are also very compact in construction, which is important in view of the cramped space, work almost without play and are also characterized by a long service life.
  • the actuator as set forth in claim 3, designed as a circular segment-like, preferably hollow component and has on its outer region a Schneckenradvertechnikung.
  • an abutment is arranged, on which the force introduction means is supported during the application of the coil frame.
  • the worm gear meshes with a drive worm of the worm gear, which, as described in claim 5, rotatably fixed on the motor shaft of the electric motor drive. Since such worm gears are usually self-locking and have a high transmission ratio of eg 40: 1, the drive for positioning the actuator despite the high moment, which is given via the force introduction means on the creel, relatively small and therefore cost. That is, a commercially available stepper motor of relatively small size is sufficient to the adjusting member, which is limited as described in claim 4, rotatably mounted limited to the pivot axis of the creel frame to position accurately and fix there.
  • acting as an air spring thrust piston transmission is connected via a pneumatic line to a machine-designed compressed air network.
  • connection is, as set forth in claim 7, designed such that the pressure with which the air spring is biased, always at a predetermined, constant pressure level.
  • the pneumatic line connected to the piston chamber of the pneumatic thrust-piston transmission has a non-return valve, which ensures that the pressure with which the air spring is preloaded is always at a predefinable, constant pressure level.
  • the pneumatic thrust piston mechanism loads the coil frame at a moment which is easily adjustable via its direction of action, both in terms of its size and in terms of its basic effect (loading or unloading) and optionally correctable at any time.
  • damping cylinder on a further lever arm of the creel.
  • Such a damping cylinder suppresses vibrations that arise due to the circulating on the drive roller cross-wound bobbin, already largely in the approach, which has an overall effect on the smoothness of the winding device and thus on the coil structure of the cheese.
  • the damping cylinder can also be controlled in case of need defined (Anspr.9).
  • the retracting piston rod of the damping cylinder then lifts the cross-wound bobbin from the drive roller.
  • FIG. 1 schematically is a half of a cross-wound producing textile machine, in the embodiment of an open-end rotor spinning machine, shown and designated overall by the reference numeral 1.
  • Such open-end rotor spinning machines have, as is known, a plurality of similar jobs 2, which are arranged side by side in the machine longitudinal direction.
  • the workstations 2 each have a spinning device 3 and a winding device 4.
  • the spinning devices 3 the sliver 5 presented in sliver cans 6 is spun into threads 7, which are then wound on the winding devices 4 to cheeses 8.
  • the winding devices 4 are each equipped with a coil frame 9, which is acted upon by a loading and unloading device 30 equipped.
  • a loading and unloading device 30 equipped in the coil frame 9, an empty tube 10 and a cheese 8 is rotatably supported, which is frictionally driven via a drive roller 11.
  • the open-end spinning machine 1 also has a bobbin transport device 12 arranged between the work stations 2 for disposing of finished cross-wound bobbins 8.
  • a movable service unit 16 On or on the spinning machine 1, on a guide rail 13 and a support rail 15 of the further a movable service unit 16 is arranged.
  • Such service units 16 patrol along the open-end spinning machine 1 and engage automatically when a need for action arises at one of the workstations 2.
  • a need for action exists, for example, if at one of the jobs 2 a full cheese 8 has to be exchanged for a new empty tube 10 and then re-spun again.
  • the service unit 16 has for this purpose, as is known, numerous handling devices that allow a proper cheese / Leerhülsenunci.
  • FIG. 2 shows in side view and on a larger scale, the winding device 4 a job 2 of a cheese-producing textile machine.
  • the winding unit housing the job 2 carries the reference numeral 21.
  • a coil frame 9 defines limited rotatably, between the coil frame arms in sleeve receiving plates 22, an empty tube 10 (see Figure 3 ) or the sleeve of a cross-wound bobbin 8 is rotatably held.
  • the sleeve 10 rests on the drive roller 11 and is carried along by this via frictional engagement.
  • the creel 9 is, as in particular from Figure 3 can be seen, via a coil frame yoke 24 which has two bearings and two rearwardly directed lever arms 25 and 39, pivotally mounted on a coil frame axis 23, which in turn is fixed in the winding unit housing 21.
  • a damping cylinder 42 supported on the winding head housing 21 is articulated on the lever arm 39 via its piston rod 43, which minimizes the vibrations occurring during winding operation in the region of the winding frame 9.
  • the damping cylinder 42 which is connected via a pneumatic line 44 to the (not shown) pneumatic network of the open-end spinning machine 1, it can be controlled if necessary so that the cross-wound bobbin 8 is lifted from the drive roller 11.
  • lever arm 25 is acted on by a force introduction means 29 of a creel loading and unloading device 30, which is designated overall by the reference numeral 30. That is, the lever arm 25 has, in addition to a bearing 26, which is encompassed by the coil frame axis 23, a rear connection bore in which a bolt 27 is fixed.
  • the bolt 27 forms a thrust bearing for the formed as an air spring 29 force introduction means, which is also supported on an abutment 32 of the actuator 33, wherein the actuator 33 in turn via a bearing 34 is rotatably mounted on the coil frame axis 23.
  • the actuator 33 has, in addition to the abutment 32 for the air spring 29, a toothed segment 35 with a Schneckenradverzahnung.
  • This sector gear 35 forms with a screw 37, which is fixed on the motor shaft 41 of an electric motor drive, preferably a stepping motor 40, a worm gear 36, which, as usual in such transmissions, has a relatively large translation and is self-locking.
  • the air spring which is formed by a pneumatic thrust piston 29, so between the lever arm 25 of the coil frame 9 and the actuator 33 is turned on that by appropriately driving the stepping motor 40, the position of the actuator 33 and thus also the direction of the force component by the air spring 29 acts on the coil frame 9, can be set defined. That is, by appropriate positioning of the actuator 33 by the electric motor drive 40, both the direction of rotation and the angle of attack under which the force component of the air spring 29 engages the lever arm 25 predetermined and thus the contact pressure of the cheese on the drive roller 11 are set defined.
  • This additional torque generated via the force component of the air spring 29 can either be set at the beginning of a coil travel and kept largely constant during the coil travel or subsequently changed as needed in the course of the coil travel sensitive, that is corrected.
  • the starting position is shown at the beginning of a coil travel.
  • the actuator 33 is positioned so that the contact pressure as possible is low, that is, in the course of the coil travel as soft as possible cheeses 8 are wound.
  • the adjusting member 33 is positioned in a position in which the force component of the air spring 29 acts just above the coil frame axis 23. This means that the force component acts on the lever arm 25 first in a clockwise direction, resulting in a torque that initially increases the contact pressure of the empty tube 10 on the drive roller 11 slightly.
  • This torque in addition to the weight of the coil frame 9, initially ensures that the empty tube 10 is pressed onto the drive roller 11 with sufficient pressure.
  • the pressure force generated by the torque of the empty tube 10 on the drive roller is chosen so that the frictionally driven by the drive roller 11 empty tube 10 rotates largely slip-free.
  • the coil frame 9 pivots in the direction of the arrow S (FIG. Fig. 2 or 3) about the coil frame axis 23.
  • the lever arm 25 and the connected to the lever arm 25 air spring 29 is displaced. That is, the air spring 29 is pivoted about its abutment 32 on the actuator 33 as a fulcrum down.
  • the force component of the air spring 29 migrates to the Spulenfrahmenachse 23, wherein the decisive for the size of the effective torque length of the lever arm 25 is further reduced.
  • the effective length of the lever arm 25 is zero. That is, at this time, no torque from the air spring 29 is effective.
  • the in the course of the coil travel further growing cheese 8 pivots the creel 9 further in the direction S and thus the lever arm 25 further down.
  • the force component of the air spring 29 moves further down.

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  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP05739504A 2004-07-06 2005-04-22 Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine Active EP1765705B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004032514A DE102004032514A1 (de) 2004-07-06 2004-07-06 Spulenrahmen Be- und Entlastungsvorrichtung für eine Spuleinrichtung einer Kreuzspulen herstellenden Textilmaschine
PCT/EP2005/004373 WO2006002704A1 (de) 2004-07-06 2005-04-22 Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine

Publications (2)

Publication Number Publication Date
EP1765705A1 EP1765705A1 (de) 2007-03-28
EP1765705B1 true EP1765705B1 (de) 2008-06-11

Family

ID=34966911

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05739504A Active EP1765705B1 (de) 2004-07-06 2005-04-22 Spulenrahmen- be- und entlastungsvorrichtung für eine spuleinrichtung einer kreuzspulen herstellenden textilmaschine

Country Status (5)

Country Link
US (1) US20090026298A1 (zh)
EP (1) EP1765705B1 (zh)
CN (1) CN1980848B (zh)
DE (2) DE102004032514A1 (zh)
WO (1) WO2006002704A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042906A1 (de) * 2006-09-13 2008-03-27 Oerlikon Textile Gmbh & Co. Kg Spulenrahmen- Be- und Entlastungsvorrichtung für eine Spuleinrichtung einer Kreuzspulen herstellenden Textilmaschine
DE102006054980B4 (de) 2006-11-22 2008-08-14 Georg Sahm Gmbh & Co. Kg Spulmaschine
CN104866553A (zh) * 2007-12-31 2015-08-26 应用识别公司 利用脸部签名来标识和共享数字图像的方法、系统和计算机程序
CN102936784A (zh) * 2011-08-16 2013-02-20 苏州华龙针织品有限公司 一种卸压装置
CN102587013B (zh) * 2012-02-28 2014-02-19 天津工业大学 碳纤维多层角联织机送经筒子架
US10420701B2 (en) * 2013-05-17 2019-09-24 Zoll Medical Corporation Cameras for emergency rescue
CN104229549A (zh) * 2014-07-11 2014-12-24 芜湖富春染织有限公司 一种筒子纱倒筒压紧装置
CN106672695A (zh) * 2016-08-31 2017-05-17 浙江金旗新材料科技有限公司 假捻变形机卷绕筒子架的止脱型压力调节装置
CN106586695B (zh) * 2017-02-17 2023-08-01 何振军 一种密度数码卷绕络筒机及其使用方法
DE102017211467B3 (de) * 2017-07-05 2018-07-12 SSM Schärer Schweiter Mettler AG Spulvorrichtung mit Stützwalze und Anpresskraft-Regeleinrichtung sowie Fadenverarbeitungsmaschine
EP3798166A4 (en) * 2018-05-21 2022-02-23 TMT Machinery, Inc. WIRE WINDING MACHINE
DE102020106121A1 (de) 2020-03-06 2021-09-09 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Spinn- oder Spulmaschine sowie Spinn- oder Spulmaschine
CN113512785A (zh) * 2021-05-11 2021-10-19 苏州汇川控制技术有限公司 电驱动自调节压力控制方法、设备、程序及存储介质

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US3510078A (en) * 1967-01-09 1970-05-05 Kamitsu Seisakusho Ltd Mechanism for controlling winding pressure of precision winder
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
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
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DD293797A5 (de) * 1990-04-23 1991-09-12 Veb Spinn- Und Zirnereimaschinenbau Karl-Marx-Stadt,De Vorrichtung zum konstanthalten des anpressdrucks bei spulvorrichtungen
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Also Published As

Publication number Publication date
US20090026298A1 (en) 2009-01-29
EP1765705A1 (de) 2007-03-28
DE102004032514A1 (de) 2006-02-16
CN1980848B (zh) 2012-04-04
WO2006002704A1 (de) 2006-01-12
DE502005004416D1 (de) 2008-07-24
CN1980848A (zh) 2007-06-13

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