EP1741655A1 - Dispositif pour le bobinage de fils - Google Patents

Dispositif pour le bobinage de fils Download PDF

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Publication number
EP1741655A1
EP1741655A1 EP05014825A EP05014825A EP1741655A1 EP 1741655 A1 EP1741655 A1 EP 1741655A1 EP 05014825 A EP05014825 A EP 05014825A EP 05014825 A EP05014825 A EP 05014825A EP 1741655 A1 EP1741655 A1 EP 1741655A1
Authority
EP
European Patent Office
Prior art keywords
torque
electric motor
anpresshebelarm
yarn
winding device
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.)
Withdrawn
Application number
EP05014825A
Other languages
German (de)
English (en)
Inventor
Davide Maccabruni
Louis Gubser
Göksel Karaarslan
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.)
SSM Schaerer Schweiter Mettler AG
Original Assignee
SSM Schaerer Schweiter Mettler 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 SSM Schaerer Schweiter Mettler AG filed Critical SSM Schaerer Schweiter Mettler AG
Priority to EP05014825A priority Critical patent/EP1741655A1/fr
Priority to EP06762444A priority patent/EP1910204A1/fr
Priority to PCT/EP2006/006587 priority patent/WO2007006475A1/fr
Priority to CNA200680024859XA priority patent/CN101247997A/zh
Publication of EP1741655A1 publication Critical patent/EP1741655A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00—Actuating means
    • B65H2555/20—Actuating means angular
    • B65H2555/25—D.C. motors, e.g. shunt motors
    • 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 for winding yarns (winding device) with a yarn carrier receptacle rotatably mounted about its longitudinal axis, adapted for receiving a yarn carrier, a pressure roller, adapted for supporting a yarn carrier arranged in the yarn carrier receptacle, a pressure lever arm which is in the region of its radially inner end is rotatably mounted at a pivot point, and an active actuator, arranged for rotating the Anpresshebelarms about the pivot point, wherein the Garnlieement is rotatably disposed at an outer end of the Anpresshebelarms perpendicular to the Anpresshebelarm.
  • Such winding devices are used in winding processes, in particular rewinding processes, in yarn production, for example for the production of bobbins with yarn windings adapted to a subsequent process.
  • Winding devices are part of yarn making machines.
  • the yarn is transferred from the winders to a yarn carrier, e.g. an empty tube, wound to obtain a yarn package of a desired size, shape and / or density.
  • the yarn carrier is either rotated by contact with a driven pressure roller for winding the yarn in rotation, or driven directly, with a pressure roller for supporting the yarn carrier is necessary.
  • the weight of the yarn carrier together with the weight of the Anpresshebelarms torque is exerted about the pivot point of the Anpresshebelarms, whereby a contact force of the yarn carrier is produced on the pressure roller.
  • This contact force increases with increasing weight of the yarn carrier during the winding of a yarn on the yarn carrier.
  • the contact pressure is causally responsible for the quality of the winding of the yarn on the finished yarn package. The stronger the contact force during winding, the harder is the winding of the yarn on the yarn carrier, i. the greater the winding density of the yarn on the yarn carrier. Any fluctuation of the pressing force leads to an irregularity of the winding density, resulting in yarn breaks or variations in the quality of subsequent processes in which the yarn package serves as a supply spool, e.g. Color irregularities in dyeing processes, can lead.
  • the pressing force should, according to a predetermined contact pressure curve, from the beginning of the winding process to its end, e.g. be definable according to a constant course.
  • the contact force should gradually decrease towards the end of the winding process.
  • the contact pressure is only generated by the weight of the Anpresshebelarms and possibly attached thereto other elements and the empty yarn carrier.
  • the actuator becomes the missing force
  • Actuator force to generate the desired value.
  • the latter is often necessary at the beginning of the winding process in a so-called loading phase.
  • the weight of the yarn carrier increases by the weight of the yarn wound thereon.
  • the actuator In order to keep the contact pressure constant, the actuator must continuously spend correspondingly less actuator force. If, e.g. Towards the end of the winding process, when the weight becomes too large, the actuator, in a release phase, must push the rocker arm against gravity in the opposite direction of the original actuator force to reduce the contact force by a portion of the weight.
  • the actuator force to be applied by the actuator varies continuously, according to the actual weight of the yarn package, which increases quadratically with its diameter, in order to increase the contact pressure, e.g. to keep constant.
  • the actuator is usually designed as a mechanical component, for example with one or two pneumatic cylinders, wherein the actuator is attached to the Anpresshebelarm such that it directly exerts the Aktuatorkraft on the Anpresshebelarm.
  • the contact force is provided by exerting a torque about the pivot point of the Anpresshebelarms, or by directly exerting Aktuatorkraft on the Anpresshebelarm.
  • a direct force measurement and / or an indirect force measurement for example via the position of the Anpresshebelarms, necessary to regulate the torque, or the contact force.
  • the contact force is measured by means of a sensor and the output signal of the sensor is used as a controlled variable for controlling the actuator.
  • an indirect force measurement can be concluded, for example, from the position of the Anpresshebelarms on the diameter of the yarn package and thus with known yarn weight on the weight of the yarn package.
  • a disadvantage of known winding devices is that the structure of the winding device is complicated and expensive by the need for controlling the contact force sensor. The measurement of the contact pressure is more error-prone and inaccurate.
  • the invention has for its object to provide a device for winding yarns, which avoids the disadvantages of the prior art and in particular allows accurate and safe torque control of the actuator.
  • the actuator has an electric motor with a sensorless motor control, wherein the motor control is set to regulate a torque which is to be exerted by the electric motor on the Anpresshebelarm, according to a predetermined torque curve.
  • the motor control is set to regulate a torque which is to be exerted by the electric motor on the Anpresshebelarm, according to a predetermined torque curve.
  • Such motors are known from the prior art. These are, for example, brushless, in particular direct current, motors, linear motors or stepping, for example hybrid stepping motors, which can control the position of their motor axis and the torque applied by the motor axis by means of their motor control itself. Examples of such motors are in the documents WO 2004/036732 A1 . WO 02/078152 A1 and or WO 03/036787 A1 disclosed.
  • the winding device according to the invention allows an efficient and precise control of the contact pressure, with a simplification of the entire arrangement of Winding device by the elimination of any kind of sensors in the field of winding device. In addition, the manufacturing cost and the spatial dimension of the winding device are reduced.
  • the accuracy of the control of the contact force is increased compared to the prior art, during the entire Aufspulreas the desired torque curve can be accurately and actively controlled. There is no so-called stick-slip effect, ie even small changes in the position of the actuator can be set accurately even at very low speed.
  • the motor axis can be accurately positioned in the case of its execution as a rotation axis (motor shaft), for example, to a sixteenth turn.
  • the electric motor can provide its full torque even at standstill.
  • the absolute position of the motor axis is known at all times, which allows an exact forward and backward movement of the motor axis.
  • the engine control is preferably set up to adjust the product from the value of the electric current flowing through the electric motor and the voltage applied to the electric motor for controlling the torque. By changing this product can be directly closed to the torque currently applied by the electric motor, the motor control can be constructed only of components of an electrical circuit. There is also no additional wiring of the electric motor necessary.
  • the pressure roller may be advantageously configured to drive the rotation of the yarn carrier receptacle via the yarn carrier. This has the advantage over the possibility of direct drive of the yarn carrier receptacle that the pressure roller has a fixed position on a yarn processing machine, ie is fixed in position, so that a very simple construction is possible for driving the pressure roller.
  • means are provided for determining the yarn carrier weight, wherein the motor controller is adapted to control the torque of the electric motor such that the sum of the force exerted by the electric motor on the Anpresshebelarm torque and the yarn carrier weight on the Anpresshebelarm torque applied to the predetermined torque curve, or a predetermined contact force, corresponds, is preferably kept constant. This achieves a uniform density of the yarn wound on the yarn carrier.
  • the yarn package thus created is particularly well suited as a supply spool for subsequent processes.
  • the means for determining the yarn carrier weight are preferably set up to determine a rotational speed of the yarn carrier receptacle and to determine the yarn carrier weight via the rotational speed.
  • the rotational speed of the yarn carrier recording already contains the information about the current diameter of the yarn carrier with the yarn wound thereon.
  • the tangential speed of the pressure roller is equal to the tangential speed of the surface of the wound yarn on the yarn carrier. As the yarn carrier becomes thicker as the yarn is wound up, its circumference becomes larger and larger. For the same tangential velocity of the surface, therefore, the rotational speed of the yarn carrier receptacle must decrease.
  • the current value of the rotational speed of the yarn carrier recording is therefore directly proportional to the actual diameter of the yarn carrier with the yarn wound thereon, ie the yarn package, at a constant rotational speed of the pressure roller.
  • This diameter information can be passed to the motor control for controlling the contact pressure.
  • a current assumed weight of the yarn package can be calculated from the current diameter. This assumed weight is very accurate, albeit a measured yarn length of the yarn unwound at the beginning of the yarn making process and the yarn weight per length into the calculation.
  • a desired value for the torque of the electric motor to be expended, in accordance with the predetermined torque curve is determined.
  • the electric motor then holds its position and the torque to be expended until a new yarn package diameter has been calculated over the rotational speed of the yarn carrier receiver and a new torque and position has been determined. This process is repeated in a control loop during the entire winding process. It is important in particular for DTY (Draw-Texture-Yarn) yarns that the length of the yarn wound on the yarn package depends strongly on the tension of the yarn, ie the tension of the yarn must be controlled according to the length of the yarn wound on the yarn package ,
  • a particularly compact design of the winding device according to the invention is achieved in that the actuator has a worm gear, wherein the worm gear at the pivot point of the Anpresshebelarms with the Anpresshebelarm comes into engagement and the torque of the electric motor for rotating the Anpresshebelarms on the worm gear on the Anpresshebelarm is transferable.
  • the torque applied by the worm gear is e.g. is transmitted to the Anpresshebelarm via a gear which is fixed to the Anpresshebelarm and is rotatably mounted with its center at the pivot point of the Anpresshebelarms. This torque can be controlled directly by the engine control.
  • the actuator may include torque transmitting means, wherein preferably the torque transmitting means between the outer and inner ends of the Anpresshebelarms, preferably centrally, with the Anpresshebelarm engage and the torque of the electric motor for rotating the Anpresshebelarms on the torque transmitting means on the Anpresshebelarm is transferable.
  • the torque transmission means for example a belt, may also be fixed at the end of the Anpresshebelarms. This configuration has the advantage that the lever arm for transmitting the torque from the electric motor, or a force applied by the electric motor, on the Anpresshebelarm is cheaper.
  • the torque transmission means may comprise a belt, preferably a toothed belt, or a screw spindle, which are drivable by the electric motor.
  • the electric motor can be designed as an electric motor with a rotatable motor axis in the usual way. The rotational movement of the motor axis is converted into a tensile or compressive movement. The torque exerted by the rotatable motor axis is controlled.
  • the torque transmitting means When the torque transmitting means is designed as an axis of a linear motor, the force exerted by the axis multiplied by the distance between the pivot point of the Anpresshebelarms and the position at which the axis comes into engagement with the Anpresshebelarm, corresponds to the torque to be controlled. It must then be implemented no rotational movement of a motor axis in a tensile or compressive movement.
  • a yarn processing machine according to the invention has at least one winding device according to the invention.
  • FIGS. 1 to 4 each show a winding device 1 according to the invention.
  • a yarn carrier 3, 4 is arranged in a yarn carrier receptacle mounted rotatably about its longitudinal axis.
  • An Anpresshebelarm 6.7 is rotatably mounted in the region of its radially inner end at a pivot point
  • the Anpresshebelarm 6.7 is rotatable by means of an active actuator 12 about the pivot point 10, that is pivotable.
  • the Garnlieness is arranged rotatably at an outer end of the Anpresshebelarms 6,7 perpendicular to Anpresshebelarm 6,7.
  • a pressure roller 15 supports the yarn carrier 3, 4 arranged in the yarn carrier receptacle.
  • the pressure roller 15 takes on the weight of the Anpresshebelarms 6.7 Garnliefact and the yarn carrier 3.4 with yarn wound thereon 17 and the given case by the actuator 12 on the Anpresshebelarm 6.7 torque exerted generated pressing force F, represented by an arrow , on.
  • the pressure roller 15 can not by means of a be shown driven electric motor.
  • the yarn 17 is guided over a yarn guide 18, for example a laying, between the pressure roller 15 and the yarn carrier 3, 4.
  • the actuator 12 has an electric motor 20 with a sensorless motor control.
  • the engine controller is configured to control a torque to be applied by the electric motor 20 to the Anpresshebelarm 6,7, according to a predetermined torque curve.
  • the Anpresshebelarm 6,7 is shown in two positions.
  • FIG. 1 shows a rewinding device 1 according to the invention with an actuator 12 which has a worm gear 25.
  • the worm gear 25 is driven directly by the motor axis of the electric motor 20.
  • the worm gear 25 comes at the pivot point 10 of the Anpresshebelarms 6.7 with the Anpresshebelarm 6.7 for engagement and the torque T of the electric motor 20 for rotating the Anpresshebelarms 6.7 is transmitted via the worm gear 25 to the Anpresshebelarm 6.7.
  • the torque T applied by the worm gear 25 is transmitted to the pressure lever arm 6, 7 via a toothed wheel 26, which is fastened to the pressure lever arm 6, 7 and is rotatably mounted with its center at the pivot point 10 of the pressure lever arm 6, 7.
  • the Garnlieness is rotatably disposed at the outer end of the Anpresshebelarms perpendicular to Anpresshebelarm.
  • FIG. 2 shows a further embodiment of a rewinding device 1 according to the invention with an actuator 12 which has a belt 30 as a torque transmission means.
  • the belt 30 passes around the motor axis of the electric motor 20 and a pulley 32 attached to a yarn processing machine is fixed.
  • the belt 30 engages centrally between the outer and inner ends of the Anpresshebelarms 6.7 via an attached to the Aripresshebelarm 6.7 Riemenverklemmung 34, or in the case of a toothed belt via a gear with the Anpresshebelarm 6.7 for engagement.
  • the torque T represented by two bent arrows, of the electric motor 20 for rotating the Anpresshebelarms 6.7 is thereby transmitted via the belt 30 on the Anpresshebelarm 6.7.
  • FIG. 3 shows a further embodiment of a rewinding device 1 according to the invention with an actuator 12, which has a screw spindle 40 as torque transmission means.
  • the screw 40 is designed as an extension of the motor axis of the electric motor 20.
  • the screw spindle 40 comes centrally between the outer and the inner end of the Anpresshebelarms 6.7 via a arranged on the Anpresshebelarm 6.7 nut thread 42 with the Anpresshebelarm 6.7 for engagement.
  • the electric motor 20 is advantageously pivotably fixed to an engine mount 44 of a yarn processing machine. In the figure, this pivotability is indicated by the double representation of the electric motor 20.
  • the torque T, represented by two curved arrows, of the electric motor 20 for rotating the Anpresshebelarms 6.7 is thereby transmitted via the screw 40 to the Anpresshebelarm 6.7.
  • the electric motor 20 is designed as a linear motor, designed as an axis 50 of the linear motor torque transmission means.
  • the axis 50 of the linear motor is centered between the outer and the inner end of the Anpresshebelarms 6.7 with the Anpresshebelarm 6.7 for engagement.
  • the axis 50 is pivotally mounted in the region of its remote end on the Anpresshebelarm 6.7.
  • the linear motor is also advantageously pivotable on a Fixed motor mount 44 of a yarn processing machine. In the figure, this pivotability is indicated by the double representation of the linear motor.
  • the linear motor exerts a force P, represented by a double arrow, on its axis 50 on the Anpresshebelarm 6.7.
  • the torque transmitted by the electric motor 20 for rotating the Anpresshebelarms 6.7 on the Anpresshebelarm 6.7 corresponds to the force P, which is exerted by the axis 50 multiplied by the distance between the pivot point 10 of the Anpresshebelarms 6,7 and the position at the axis 50 comes with the Anpresshebelarm 6.7 for engagement.
  • the actuator 12 has an electric motor 20 with a sensorless motor control, wherein the engine control is set up, a torque which is to be exerted by the electric motor 20 on the Anpresshebelarm 6,7 to regulate according to a predetermined torque curve.
  • the invention is not limited to the embodiments given above. Rather, a number of variants are conceivable, which make use of the features of the invention even with fundamentally different type of execution.

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)
EP05014825A 2005-07-08 2005-07-08 Dispositif pour le bobinage de fils Withdrawn EP1741655A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05014825A EP1741655A1 (fr) 2005-07-08 2005-07-08 Dispositif pour le bobinage de fils
EP06762444A EP1910204A1 (fr) 2005-07-08 2006-07-06 Dispositif pour bobiner des fils
PCT/EP2006/006587 WO2007006475A1 (fr) 2005-07-08 2006-07-06 Dispositif pour bobiner des fils
CNA200680024859XA CN101247997A (zh) 2005-07-08 2006-07-06 用于卷绕纱线的装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05014825A EP1741655A1 (fr) 2005-07-08 2005-07-08 Dispositif pour le bobinage de fils

Publications (1)

Publication Number Publication Date
EP1741655A1 true EP1741655A1 (fr) 2007-01-10

Family

ID=34937800

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05014825A Withdrawn EP1741655A1 (fr) 2005-07-08 2005-07-08 Dispositif pour le bobinage de fils
EP06762444A Withdrawn EP1910204A1 (fr) 2005-07-08 2006-07-06 Dispositif pour bobiner des fils

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP06762444A Withdrawn EP1910204A1 (fr) 2005-07-08 2006-07-06 Dispositif pour bobiner des fils

Country Status (3)

Country Link
EP (2) EP1741655A1 (fr)
CN (1) CN101247997A (fr)
WO (1) WO2007006475A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017211467B3 (de) * 2017-07-05 2018-07-12 SSM Schärer Schweiter Mettler AG Spulvorrichtung mit Stützwalze und Anpresskraft-Regeleinrichtung sowie Fadenverarbeitungsmaschine
CN108796622B (zh) * 2018-06-05 2020-11-27 绍兴市柯桥区锦策智能科技有限公司 一种纺织品用蚕丝土法抽丝设备
CH715345A1 (de) * 2018-09-18 2020-03-31 Ssm Schaerer Schweiter Mettler Ag Verfahren zum Schwenken einer Spule in einer Spulvorrichtung, sowie Spulvorrichtung.
CN112884195A (zh) * 2020-12-29 2021-06-01 内蒙古鹿王羊绒有限公司 预测双面提花组织的针织配色服装用纱量及比例的方法
CN113369243B (zh) * 2021-05-25 2022-11-01 广东核电合营有限公司 一种用于核电站的激光枪收纳装置及激光去污回收装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911854A1 (de) * 1988-04-11 1989-11-09 Murata Machinery Ltd Auflagedruck-steuervorrichtung fuer eine spulmaschine
EP0351672A1 (fr) * 1988-07-22 1990-01-24 Schärer Schweiter Mettler AG Dispositif pour commander la force de pression d'une bobine sur un cylindre de friction
DE3927142A1 (de) * 1989-08-17 1991-02-21 Schlafhorst & Co W Einrichtung zum steuern des kontaktdruckes und/oder der relativbewegung zwischen einer spulwalze und einer spule
WO2002078152A1 (fr) 2001-03-26 2002-10-03 Emerson Electric Co. Machine tournante electrique a commutation de reluctance et a stator segmente
WO2003036787A1 (fr) 2001-10-25 2003-05-01 Koninklijke Philips Electronics N.V. Commutation de moteurs a courant continu sans detecteur
WO2004036732A1 (fr) 2002-10-18 2004-04-29 Abb Oy Procede de connexion avec des moteurs a induction sans detecteur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911854A1 (de) * 1988-04-11 1989-11-09 Murata Machinery Ltd Auflagedruck-steuervorrichtung fuer eine spulmaschine
EP0351672A1 (fr) * 1988-07-22 1990-01-24 Schärer Schweiter Mettler AG Dispositif pour commander la force de pression d'une bobine sur un cylindre de friction
DE3927142A1 (de) * 1989-08-17 1991-02-21 Schlafhorst & Co W Einrichtung zum steuern des kontaktdruckes und/oder der relativbewegung zwischen einer spulwalze und einer spule
WO2002078152A1 (fr) 2001-03-26 2002-10-03 Emerson Electric Co. Machine tournante electrique a commutation de reluctance et a stator segmente
WO2003036787A1 (fr) 2001-10-25 2003-05-01 Koninklijke Philips Electronics N.V. Commutation de moteurs a courant continu sans detecteur
WO2004036732A1 (fr) 2002-10-18 2004-04-29 Abb Oy Procede de connexion avec des moteurs a induction sans detecteur

Also Published As

Publication number Publication date
CN101247997A (zh) 2008-08-20
WO2007006475A1 (fr) 2007-01-18
EP1910204A1 (fr) 2008-04-16

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