EP1318097A1 - Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé - Google Patents

Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé Download PDF

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Publication number
EP1318097A1
EP1318097A1 EP02020139A EP02020139A EP1318097A1 EP 1318097 A1 EP1318097 A1 EP 1318097A1 EP 02020139 A EP02020139 A EP 02020139A EP 02020139 A EP02020139 A EP 02020139A EP 1318097 A1 EP1318097 A1 EP 1318097A1
Authority
EP
European Patent Office
Prior art keywords
thread
tension
periodic
guide
thread tension
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.)
Granted
Application number
EP02020139A
Other languages
German (de)
English (en)
Other versions
EP1318097B1 (fr
Inventor
Thomas Burger
Marc Schaad
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
Priority claimed from EP01128877A external-priority patent/EP1319622A1/fr
Application filed by SSM Schaerer Schweiter Mettler AG filed Critical SSM Schaerer Schweiter Mettler AG
Priority to EP20020020139 priority Critical patent/EP1318097B1/fr
Publication of EP1318097A1 publication Critical patent/EP1318097A1/fr
Application granted granted Critical
Publication of EP1318097B1 publication Critical patent/EP1318097B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/005—Means compensating the yarn tension in relation with its moving due to traversing 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
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
    • B65H59/384—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension using electronic means
    • 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 present invention relates to a method for regulating the thread tension on a Textile machine on which the thread is drawn from a supply by a thread delivery and a thread laying is supplied, a control variable for the delivery speed of the thread is won
  • 24 034 are at a thread consuming Machine, in particular a circular knitting machine, which has several thread processing points has, correspondingly many delivery facilities provided for the thread-like material.
  • a thread tensioning device On Each delivery point is a thread tensioning device, which with the thread-shaped Works well together and contains an encoder and a measuring circuit.
  • the device described in EP-A-0 950 742 for controlling the yarn feed on a Textile machine contains a sensor for measuring the thread tension, means for measuring the thread delivery speed and a Control for the precise setting of these two parameters, preferably the thread delivery speed is regulated based on the thread tension.
  • a similar facility is in the EP-A-0 875 479 from Shurer Schweiter Mettler AG.
  • the known methods and devices for controlling the Thread tension on a textile machine can be improved so that the winding process in Direction to an increase in quality and / or efficiency is significantly improved.
  • This object is achieved according to the invention in a method of the type mentioned at the outset solved that a distinction between the one causing the fluctuations in thread tension Disorders occur after periodic and stochastic disorders, and that the periodic Faults are calculated and taken into account for the specified control variable.
  • the solution according to the invention is based on the knowledge that the fluctuations in the thread tension not only have one cause, but are based on two main causes, namely on the one caused by the withdrawal from the supply spool and the one caused by the thread laying Disruptions, whereby the disruptions caused by the deduction are random and those caused by the Thread-related disturbances are geometrically determined and can be calculated. And since studies have shown that the periodic disturbances are much larger than the stochastic, arises from the mathematical consideration of the periodic Disturbances already a strong smoothing of the thread tension. And this strong smoothing the thread tension is achieved without the need for a sensor for the thread tension would be, which results in a noticeable cost saving.
  • a second preferred embodiment of the method according to the invention is characterized in that that based on the calculated periodic disturbances an adaptive adaptation the delivery speed occurs at which, depending on the respective position of the Thread guide the delivery speed is increased or reduced.
  • the adaptive adaptation takes place in such a way that that the thread tension at the reversal points and in the middle of the trajectory of the Thread guide reached the same value.
  • the invention further relates to a device for regulating the thread tension on a textile machine, with a motor-driven feed mechanism for the thread and thread laying with a thread guide for winding the thread onto a thread carrier.
  • the device according to the invention is characterized in that the drive of the delivery unit is regulated so that a compensation of the periodic due to the thread laying Thread tension disturbances occur.
  • a second preferred embodiment of the device according to the invention is characterized in that that the compensation of the periodic disturbances of the thread tension by a adaptive adjustment of the drive of the supplying plant based on a calculation of the thread tension for the different positions of the thread guide.
  • the said calculation is preferably carried out taking into account the current one Yarn speed.
  • the position of the thread guide is either determined by a sensor determined or it is predetermined by a tax stage.
  • Another preferred embodiment of the device according to the invention is characterized in that that a first control stage for the drive of the yarn carrier and the thread laying and a second control stage connected to this is provided for driving the delivery plant and that the second control stage data on the current position of the thread guide and the current thread tension are supplied.
  • the invention further relates to an application of the method mentioned to winding machines.
  • the winding station consists of a plug 1 for receiving a supply spool 2 with a thread F, a thread insulation 3, one from a motor 4 driven delivery mechanism 5, a sensor 6 for measuring the tension of the thread F and a winding unit 7.
  • the latter consists of a drivable by a motor (not shown)
  • Spindle 8 for receiving and holding a coil sleeve 9 on which a coil 10 is wound up, and from a thread laying 11.
  • the drive of the bobbin 10 via a motor-driven friction roller on which the spool 10 rests (see also EP-A-1 125 878).
  • the thread laying 11 contains a thread guide as the most important element 12, which performs an oscillating traversing movement along the axis of the coil 10.
  • the thread guide 12 is movable back and forth on a rail or groove-like guide Fixed sliding element 13, on which a traversing element 14 engages.
  • This is as flexible and rigid in the traversing direction trained for the transmission of tensile forces and for example by a string, a wire, a metal rope, a flat, toothed or V-belt, a metal band, a chain or the like.
  • the traversing element 14 runs over two Rollers 15 and 16, one of which, as shown, the roller 16, as a drive wheel for the Drive of the traversing element 14 is used.
  • the drive wheel 16 is from a servo motor (not shown), preferably a stepper motor, driven.
  • the drive wheel 16 is preferably attached directly to the motor shaft.
  • the engine is a sensor (not shown) for detecting the rotational position of the drive wheel 16 and thus assigned to the traversing position of the thread guide 12. Regarding this sensor, the EP-A-0 829 444 and the corresponding US-A-5 918 829.
  • the sensor is a photoelectric sensor consisting of a transmitting and a receiving diode Movement of the drive wheel 16 or a disk rigidly connected to this scans.
  • the Driving wheel 16 or the disk is for this purpose with suitable optically scannable markings, for example with holes or slots arranged along a circle.
  • the drive motors of the spindle 8 and the drive wheel 16, the sensor for the traversing position the thread guide 12 and any other sensors, for example for the speed of the Coil 10 are connected to a spindle control 17, which uses the motors mentioned of programmed winding parameters and winding laws as well as that of the sensors controls delivered data.
  • the spindle control 17 is also provided with a delivery control 18 connected, which in turn with the thread tension sensor 6 and with the drive motor 4th the delivery plant 5 is connected.
  • the thread tension sensor 6 measures the so-called stochastic fluctuations in the thread tension, these are faults caused by the thread draw from the supply spool 2 and are caused by the delivery 5 and reports these deviations to the delivery control 18.
  • the delivery control 18 calculates the necessary for the correction of these deviations Control variable and delivers a corresponding control signal to the motor 4.
  • the traversing movement can be carried out for each point the difference in thread tension to a reference value can be calculated, which in the Delivery control 18 takes place, which for this purpose from spindle control 17 provides the position information the thread guide 12 receives.
  • the spindle controller 18 calculates one for the correction of the periodic voltage fluctuations required control variable and leads with both mentioned Control variables an adaptive control of the thread delivery to compensate for the Voltage fluctuations due to.
  • the adaptive control takes place in such a way that at the reversal points and in the There is the same thread tension in the middle of the bobbin, the periodic disturbance caused by thread laying 11 practically completely compensated. Because the maximum amplitude of the periodic Voltage fluctuations are a multiple, about three to five times the maximum The amplitude of the stochastic voltage fluctuations is due to the adaptive control the majority of the faults in the thread delivery are compensated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP20020020139 2001-12-05 2002-09-09 Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé Expired - Lifetime EP1318097B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20020020139 EP1318097B1 (fr) 2001-12-05 2002-09-09 Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01128877 2001-12-05
EP01128877A EP1319622A1 (fr) 2001-12-05 2001-12-05 Procédé et dispositif pour la régulation de la tension du fil dans une machine textile et l'utilisation du procédé
EP20020020139 EP1318097B1 (fr) 2001-12-05 2002-09-09 Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé

Publications (2)

Publication Number Publication Date
EP1318097A1 true EP1318097A1 (fr) 2003-06-11
EP1318097B1 EP1318097B1 (fr) 2010-02-24

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Family Applications (1)

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EP20020020139 Expired - Lifetime EP1318097B1 (fr) 2001-12-05 2002-09-09 Procédé et dispositif pour contrôler la tension du fil dans une machine textile et l'usage de ce procédé

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EP (1) EP1318097B1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1520827A1 (fr) * 2003-10-04 2005-04-06 Schärer Schweiter Mettler AG Procédé et dispositif pour la régulation de la tension du fil dans une machine textile et l'utilisation du procédé
EP1520825A1 (fr) * 2003-10-04 2005-04-06 Schärer Schweiter Mettler AG Procédé et dispositif pour la régulation de la tension du fil sur un bobinoir et l'utilisation du procédé
EP2465802A3 (fr) * 2010-12-14 2013-08-21 TMT Machinery, Inc. Dispositif de renvideur de fil
CN108313826A (zh) * 2018-02-28 2018-07-24 浙江理工大学 一种积极式可调张力送纱装置及其工作方法
WO2021224750A1 (fr) 2020-05-05 2021-11-11 SSM Schärer Schweiter Mettler AG Procédé et dispositif pour peser une bobine dans un enrouleur de bobine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7554072B2 (ja) 2020-08-07 2024-09-19 Ｔｍｔマシナリー株式会社 糸巻取機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129803A1 (de) * 1991-09-07 1993-03-11 Schlafhorst & Co W Fadenzugkraftsensor fuer eine textilmaschine
EP0950631A1 (fr) * 1998-02-14 1999-10-20 Volkmann GmbH & Co. Dispositif et procédé pour le bobinage de bobines coniques

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129803A1 (de) * 1991-09-07 1993-03-11 Schlafhorst & Co W Fadenzugkraftsensor fuer eine textilmaschine
EP0950631A1 (fr) * 1998-02-14 1999-10-20 Volkmann GmbH & Co. Dispositif et procédé pour le bobinage de bobines coniques

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1520827A1 (fr) * 2003-10-04 2005-04-06 Schärer Schweiter Mettler AG Procédé et dispositif pour la régulation de la tension du fil dans une machine textile et l'utilisation du procédé
EP1520825A1 (fr) * 2003-10-04 2005-04-06 Schärer Schweiter Mettler AG Procédé et dispositif pour la régulation de la tension du fil sur un bobinoir et l'utilisation du procédé
EP2465802A3 (fr) * 2010-12-14 2013-08-21 TMT Machinery, Inc. Dispositif de renvideur de fil
CN108313826A (zh) * 2018-02-28 2018-07-24 浙江理工大学 一种积极式可调张力送纱装置及其工作方法
CN108313826B (zh) * 2018-02-28 2024-02-20 浙江理工大学 一种积极式可调张力送纱装置及其工作方法
WO2021224750A1 (fr) 2020-05-05 2021-11-11 SSM Schärer Schweiter Mettler AG Procédé et dispositif pour peser une bobine dans un enrouleur de bobine

Also Published As

Publication number Publication date
EP1318097B1 (fr) 2010-02-24

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