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EP1318097B1 - 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
EP1318097B1
EP1318097B1 EP20020020139 EP02020139A EP1318097B1 EP 1318097 B1 EP1318097 B1 EP 1318097B1 EP 20020020139 EP20020020139 EP 20020020139 EP 02020139 A EP02020139 A EP 02020139A EP 1318097 B1 EP1318097 B1 EP 1318097B1
Authority
EP
European Patent Office
Prior art keywords
thread
tension
disturbances
thread tension
supply
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
EP20020020139
Other languages
German (de)
English (en)
Other versions
EP1318097A1 (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 controlling the thread tension on a textile machine, on which the thread is withdrawn by a thread delivery from a supply and fed to a thread laying, wherein a controlled variable for the delivery speed of the thread is obtained
  • the in the EP-A-0 950 742 described device for controlling the yarn feed on a textile machine includes a sensor for measuring the yarn tension, means for measuring the yarn delivery speed and a controller for precise adjustment of these two parameters, preferably the yarn delivery speed on the basis of Thread tension is regulated.
  • a similar device is in the EP-A-0 875 479 Schrer Schweiter Mettler AG described.
  • the EP 0 950 631 A1 describes a device for controlling the thread tension on a textile machine with a motor-driven delivery mechanism for a thread and a thread laying device with a thread guide for winding the thread on a Gammon.
  • the DE 4129803 A1 describes a method for controlling the thread tension on a textile machine on which the thread is withdrawn by a thread delivery from a supply. It is obtained a control variable for the thread tension of the thread, wherein initially a distinction between periodic and non-periodic disturbances of the thread tension is made and the non-periodic disturbances are compensated by the controlled variable.
  • an adaptive adaptation of the delivery speed takes place on the basis of the calculated periodic disturbances, in which the delivery speed is increased or reduced as a function of the respective position of the thread guide.
  • the solution according to the invention is based on the recognition that the variations in the thread tension are not only caused by one cause, but are based on two main causes, namely the disturbances caused by the withdrawal from the supply bobbin and by the thread transfer, with the disturbances due to the withdrawal.
  • a first preferred embodiment of the method according to the invention is characterized in that the thread tension is measured and the stochastic disturbances measured in the process are likewise taken into account for the said controlled variable. As a result, the stochastic disturbances are compensated, so that a practically constant value of the thread tension is achieved.
  • the adaptive adaptation takes place such that the thread tension at the reversal points and in the middle of the movement path of the thread guide reaches the same value.
  • the invention further relates to a device for controlling the thread tension on a textile machine, with a motor-driven delivery mechanism for the thread and a thread laying with a thread guide for winding the thread on a yarn carrier.
  • the device according to the invention is characterized in that the drive of the delivery mechanism is regulated in such a way that a compensation of the periodic disturbances of the thread tension caused by the thread transfer takes place.
  • a first preferred embodiment of the device according to the invention is characterized in that a sensor for measuring the thread tension is arranged between delivery mechanism and thread transfer and the drive of the delivery mechanism is regulated in such a way that, in addition to the compensation of the periodic disturbances, a compensation of the stochastic disturbances of the thread tension measured by the sensor takes place ,
  • a second preferred embodiment of the inventive device is characterized in that the compensation of the periodic disturbances of the thread tension by an adaptive adjustment of the drive of the delivery mechanism based on a calculation of the thread tension for the different positions of the thread guide takes place.
  • said calculation takes place taking into account the current thread speed.
  • the position of the thread guide is either determined by a sensor or it is predetermined by a control stage.
  • a further preferred embodiment of the device according to the invention is characterized in that a first control stage for the drive of the yarn carrier and the thread laying and a second control stage connected thereto are provided for the drive of the delivery mechanism, 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 said method to winding machines.
  • the winding station consists according to presentation of a Aufsteckung 1 for receiving a feed bobbin 2 with a thread F, a thread insulation 3, a driven by a motor 4 delivery 5, a sensor 6 for measuring the tension of the thread F and a winding unit 7.
  • the latter consists of a by a motor (not shown) drivable spindle 8 for receiving and holding a bobbin 9, on which a coil 10 is wound, and from a thread laying 11.
  • the drive of the coil 10 via a motor-driven friction roller on which the Coil 10 rests (see EP-A-1 125 878 ).
  • the thread laying 11 contains, as the most essential element, a yarn guide 12, which performs an oscillating traversing movement along the axis of the spool 10.
  • a yarn guide 12 which performs an oscillating traversing movement along the axis of the spool 10.
  • the yarn guide 12 is mounted on a sliding in a rail or groove-like guide back and forth slide 13, on which a traversing element 14 engages.
  • This is designed as a flexible and traversing stiff body for transmitting tensile forces and, for example, by a string, a wire, a metal cable, a flat, toothed or V-belt, a metal band, a chain or the like. Formed.
  • the traversing element 14 passes over two rollers 15 and 16, one of which, according to the roller 16, serves as a drive wheel for driving the traversing element 14.
  • the drive wheel 16 is driven by a servomotor (not shown), preferably a stepping motor.
  • the drive wheel 16 is mounted directly on the motor shaft.
  • the motor is a sensor (not shown) for detecting the rotational position of the drive wheel 16 and thus associated with the traversing position of the yarn guide 12.
  • this sensor is on the EP-A-0 829 444 and those corresponding to it US-A-5,918,829 directed.
  • the sensor is a consisting of a transmitting and a receiving diode photoelectric sensor, which scans the movement of the drive wheel 16 or a rigidly connected to this disc.
  • the drive wheel 16 or the disc is provided for this purpose with suitable optically scannable markers, for example, arranged along a circle holes or slots.
  • the drive motors of the spindle 8 and the drive wheel 16, the sensor for the traversing position of the yarn guide 12 and any other sensors, such as the speed of the coil 10 are connected to a spindle control 17, which said motors based on programmed winding parameters and winding laws and the controls data supplied by the sensors.
  • the spindle control 17 is also connected to a delivery control 18, which in turn is connected to the yarn tension sensor 6 and to the drive motor 4 of the delivery mechanism 5.
  • the yarn tension sensor 6 measures the so-called stochastic variations in yarn tension, that is, disturbances caused by the yarn withdrawal from the supply spool 2 and the delivery 5, and notifies these deviations to the delivery control 18.
  • the delivery control 18 calculates those for correcting these deviations Required controlled variable and supplies to the motor 4, a corresponding control signal.
  • the difference of the thread tension to a reference value can be calculated for each point of the traversing movement, which takes place in the delivery control 18, which receives the position information of the thread guide 12 from the spindle control 17 for this purpose.
  • the spindle controller 18 calculates a required for the correction of the periodic voltage fluctuations controlled variable and performs with both said control variables an adaptive control of the thread delivery to compensate for the voltage fluctuations.
  • the adaptive control takes place in such a way that the same thread tension prevails at the reversal points and in the center of the coil, the periodic disturbance caused by the thread laying 11 is virtually completely compensated. Since the maximum amplitude of the periodic voltage fluctuations is a multiple, for example three to five times, the maximum amplitude of the stochastic voltage fluctuations, the adaptive control of the yarn delivery compensates for the majority of the disturbances.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Claims (11)

  1. Procédé destiné à réguler la tension du fil dans une machine textile dans laquelle le fil (F) est dévidé par traction d'une réserve (2) par un système de fourniture de fil (5), et est amené à un dispositif de trancanage de fil (11), le procédé englobant la production d'une grandeur de régulation pour la vitesse de fourniture du fil (F), et effectuant, en ce qui concerne les perturbations causant les variations de la tension du fil, une distinction entre perturbations périodiques et stochastiques, les perturbations périodiques étant calculées et prises en considération pour la grandeur de régulation citée,
    caractérisé
    en ce qu'au regard des perturbations périodiques calculées, on effectue une correction adaptative de la vitesse de fourniture du fil, lors de laquelle la vitesse de fourniture du fil est augmentée ou réduite en fonction de la position respective du guide-fil (12) du dispositif de trancanage de fil (11).
  2. Procédé selon la revendication 1, caractérisé en ce que l'on mesure la tension du fil et l'on prend également en considération pour la grandeur de régulation mentionnée, les perturbations stochastiques mesurées à cette occasion.
  3. Procédé selon la revendication 1, caractérisé en ce que l'on effectue la correction adaptative de façon telle que la tension du fil au niveau des points d'inversion de sens et au milieu de la trajectoire de déplacement du guide-fil (12) atteigne la même valeur.
  4. Dispositif destiné à réguler la tension du fil dans une machine textile, comprenant un groupe de fourniture de fil (5) pour le fil (F), qui est entraîné par moteur, et un dispositif de trancanage de fil (11) avec un guide-fil (12) pour enrouler le fil (F) sur un support de fil (9), caractérisé en ce qu'il est prévu une commande pour le calcul d'une grandeur de régulation pour la correction d'une variation périodique de la tension du fil, et pour une régulation adaptative du système de fourniture de fil en vue de la compensation des variations de la tension du fil, l'entraînement (4) du groupe de fourniture de fil (5) étant régulé de façon à ce qu'il se produise une compensation des perturbations périodiques de la tension du fil dues au dispositif de trancanage de fil (11).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'entre le groupe de fourniture de fil (5) et le dispositif de trancanage de fil (11) est agencé un capteur (6) pour mesurer la tension du fil, et l'entraînement (4) du groupe de fourniture de fil (5) est régulé de façon telle que soit effectuée, en plus de la compensation des perturbations périodiques, une compensation des perturbations stochastiques de la tension du fil, mesurées par le capteur (6).
  6. Dispositif selon la revendication 4 ou la revendication 5, caractérisé en ce que la compensation des perturbations périodiques de la tension du fil est effectuée par une correction adaptative de l'entraînement (4) du groupe de fourniture de fil (5) au regard d'un calcul de la tension du fil pour les différentes positions du guide-fil (12).
  7. Dispositif selon la revendication 6, caractérisé en ce que le calcul mentionné est effectué en tenant compte de la vitesse de fil momentanée.
  8. Dispositif selon la revendication 6 ou la revendication 7, caractérisé en ce que la position du guide-fil (12) est déterminée par un capteur.
  9. Dispositif selon la revendication 6 ou la revendication 7, caractérisé en ce que la position du guide-fil (12) est prescrite par un étage de commande.
  10. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que sont prévus un premier étage de commande (17) pour l'entraînement du support de fil (9) et du dispositif de trancanage de fil (11 ), et un deuxième étage de commande (18) relié au précédent et destiné à l'entraînement (4) du groupe de fourniture de fil (5), et en ce qu'au deuxième étage de commande (18) sont fournies des données concernant la position momentanée du guide-fil (12) et la tension momentanée du fil.
  11. Utilisation du procédé selon l'une des revendications 1 à 3 dans des machines à bobiner.
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
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
EP01128877 2001-12-05
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 EP1318097A1 (fr) 2003-06-11
EP1318097B1 true EP1318097B1 (fr) 2010-02-24

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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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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3950552A1 (fr) 2020-08-07 2022-02-09 TMT Machinery, Inc. Enrouleur de fils

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50305699D1 (de) * 2003-10-04 2006-12-28 Ssm Ag Verfahren und Vorrichtung zur Regelung der Fadenspannung auf einer Spulmaschine, sowie Anwendung des Verfahrens
ATE345303T1 (de) * 2003-10-04 2006-12-15 Ssm Ag Verfahren und vorrichtung zur regelung der fadenspannung auf einer textilmaschine, sowie anwendung des verfahrens
JP5730557B2 (ja) * 2010-12-14 2015-06-10 Ｔｍｔマシナリー株式会社 糸条巻取機
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
CH717382A1 (de) 2020-05-05 2021-11-15 Ssm Schaerer Schweiter Mettler Ag Verfahren und Vorrichtung zum Aufspulen eines Fadens auf eine Spule.

Family Cites Families (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
EP0950631B1 (fr) * 1998-02-14 2003-08-06 Volkmann GmbH Dispositif et procédé pour le bobinage de bobines coniques

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3950552A1 (fr) 2020-08-07 2022-02-09 TMT Machinery, Inc. Enrouleur de fils

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Publication number Publication date
EP1318097A1 (fr) 2003-06-11

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