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EP3753886B1 - Dispositif et procédé de commande d'un ballon lors du déroulement d'un fil d'une bobine - Google Patents

Dispositif et procédé de commande d'un ballon lors du déroulement d'un fil d'une bobine Download PDF

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Publication number
EP3753886B1
EP3753886B1 EP20179780.0A EP20179780A EP3753886B1 EP 3753886 B1 EP3753886 B1 EP 3753886B1 EP 20179780 A EP20179780 A EP 20179780A EP 3753886 B1 EP3753886 B1 EP 3753886B1
Authority
EP
European Patent Office
Prior art keywords
yarn
containment element
bobbin
balloon
movement means
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.)
Active
Application number
EP20179780.0A
Other languages
German (de)
English (en)
Other versions
EP3753886A1 (fr
Inventor
Dante Zancai
Ivan BERTOLO
Giacomo MARCHESI
Giorgio Colomberotto
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.)
Savio Macchine Tessili SpA
Original Assignee
Savio Macchine Tessili SpA
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 Savio Macchine Tessili SpA filed Critical Savio Macchine Tessili SpA
Publication of EP3753886A1 publication Critical patent/EP3753886A1/fr
Application granted granted Critical
Publication of EP3753886B1 publication Critical patent/EP3753886B1/fr
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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
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/22—Guides for filamentary materials; Supports therefor adapted to prevent excessive ballooning of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/06—Annular guiding surfaces; Eyes, e.g. pigtails
    • 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
    • B65H59/385—Regulating winding speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to excessive tension or irregular operation of apparatus
    • 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 device for controlling a balloon during the unraveling of a bobbin, and to a method for controlling a balloon during the unraveling of a bobbin.
  • industrial-type winders comprise a plurality of mutually independent winding units, operated by a programmable control unit.
  • the winding unit winds a yarn onto a generally cone-shaped support to make a reel that will be used in weaving, knitting, or other next processes.
  • the yarn is wound on the support with a predetermined type of winding to optimize the successive unraveling of the yarn from the reel during the step of weaving.
  • thread or monofilament or continuous filament means a single filament or continuous bave (e.g. in the case of silk, artificial or synthetic fibers), while the term yarn means the set of fibrils of variable length which are parallelized and joined by twisting.
  • thread or monofilament or continuous filament means a single filament or continuous bave (e.g. in the case of silk, artificial or synthetic fibers)
  • yarn means the set of fibrils of variable length which are parallelized and joined by twisting.
  • the winding is preferably carried out with a cylinder in contact with the reel and rotating around an axis which is substantially parallel to that of the reel, arranged with a particular geometry of seats made on its surface.
  • the yarn near the bobbin forms a so-called balloon; the yarn in its unwinding movement from the bobbin widens with respect to the shape of the yarn wound on the bobbin, and such widening extends for a given height above the bobbin.
  • a correlation between balloon diameter and unwinding tension is known; in particular, it is known that as the unwinding speed of the bobbin increases, the diameter of the balloon increases, and consequently so does the unwinding tension.
  • US 2017/130369A1 discloses a two-for-one twisting or cabling machine which comprises an adjustable balloon-yarn-guide-eye.
  • the containment element is part of a device known in technical jargon as a "balloon breaker", which comprises other components according to the functions associated with the device itself.
  • the movement is performed through a drive connected to a screw element parallel to the direction of movement of the containment element, exploiting the movement of a so-called spiral screw coupling.
  • the device further comprises sensors, e.g. optical sensors, adapted to detect the height of the portion of bobbin covered with yarn and transmit such information to a programmable control unit, which consequently controls the drive to lower the containment element.
  • sensors e.g. optical sensors, adapted to detect the height of the portion of bobbin covered with yarn and transmit such information to a programmable control unit, which consequently controls the drive to lower the containment element.
  • the system is highly complex because it requires continuous monitoring of the winding state of the yarn on the bobbin to be able to move the containment element continuously.
  • the high number of required components also affects the number of parts that could potentially have problems, or which in any case need to be subjected to routine and supplementary maintenance.
  • the device 12 for controlling the balloon comprises a containment element 15 adapted to contain at least partially in a through opening 18 thereof the balloon of the yarn 14.
  • the device 12 comprises a support 20 adapted for supporting the containment element 15 and adapted to be fixed to a structure of a winding unit.
  • the device 12 further comprises movement means 22 arranged between the containment element 15 and the support 20, adapted to move the containment element 15, during the unraveling of the yarn 14 from the bobbin 16, between a rest position, and an extracted position.
  • the device comprises a programmable control unit connected to the movement means 22.
  • the movement means 22 are adapted to move the containment element 15 from the rest position to the extracted position, based on at least one operating parameter set on the programmable control unit.
  • Figure 1 schematically shows the device 12 in a first configuration with containment element 15 in the rest position.
  • Figure 2 schematically shows the device 12 in a second configuration with containment element 15 in the extracted position.
  • the device 12 according to the present invention may comprise a second containment element 19 fixed with respect to the supporting structure 20.
  • the second containment element 19 may be aligned with the containment element 15.
  • the at least one predetermined operating parameter may comprise the yarn thread count and/or the winding speed and/or processing time.
  • the at least one predefined operating parameter may comprise yarn tension.
  • the movement means 22 may comprise a linear actuator 24, which is schematically shown in figures 1 and 2 .
  • the linear actuator may be a pneumatic or hydraulic actuator.
  • the direction of movement can be substantially parallel to the direction of an axis X of a bobbin during unraveling.
  • the direction of movement can be substantially vertical with respect to the supporting surface of the machine.
  • the movement means 22 may only allow two operating positions, in particular the rest position, in which the containment element 15 is close to the support 15, and an extracted position, in which the containment element is spaced from the support 20 with respect to the previous position.
  • operating position means a position that can be maintained while processing for a given processing time, e.g. longer than 5 seconds.
  • the movement means according to the present invention may allow a discrete positioning of the containment element 15 with respect to the support 20.
  • the distance between the rest position and the extracted position of the containment element 15 may be greater than 50 mm. In particular, the distance between the rest position and the extracted position of the containment element 15 may be between 60 mm and 100 mm.
  • the predetermined operational parameter through which the programmable control unit controls the movement equipment is a processing time.
  • the programmable control unit may be adapted to require the movement of the containment element 15 when a given processing time is reached.
  • the preset operating parameter is the yarn count, and a percentage of yarn unwound from the bobbin.
  • the operator can enter the two parameters in the programmable control unit which, together with the winding speed, will allow the programmable control unit to establish the percentage of yarn unwound from the bobbin and thus the consequent activation of the movement means.
  • the percentage of yarn unwound from the bobbin can be set to be between 40 and 50%.
  • the at least one predetermined operating parameter may be the yarn tension.
  • the programmable control unit can be adapted to enter the yarn tension value at which activate the movement means 22.
  • the balloon control device 12 may comprise at least one sensor adapted to detect the tension value reached by the yarn and to transmit such value to the programmable control unit to compare it with the value set by the operator.
  • the device 12 for controlling the balloon during the unraveling of yarn from a bobbin may allow a discrete positioning of the containment element 15 with respect to the support and, in particular, with respect to the bobbin.
  • the devices of the prior art allow a continuous movement of the containment device as the unwinding progress state changes. Such continuous movement, on the one hand, optimizes the containment of the balloon, but on the other hand, has a heavy impact on the cost of the machine and its complexity.
  • the movement means may comprise an electric actuator.
  • the electric actuator may allow a continuous movement between the rest position and the extracted position.
  • the balloon is controlled without the presence of sensors which must be managed by a programmable control unit which can be very complex.
  • the programmable control unit may, for example, be a simple timer, adapted to control the movement means when a given processing time is reached.
  • the method substantially comprises the steps of:
  • the predetermined operating parameter may be the yarn thread count and/or the winding speed and/or a processing time.
  • the predetermined operating parameter can be the yarn tension.
  • the method makes it possible to obtain efficient balloon control during the unraveling of a bobbin in a winding unit of a winder without using information received from sensors.
  • the method makes it possible to use simple linear actuators that allow discrete positioning of the containment element.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Air Bags (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Claims (12)

  1. Dispositif (12) de commande d'un ballon pendant le dévidage d'un fil (14) provenant d'une bobine (16), comprenant :
    - un élément de confinement (15) adapté pour retenir, au moins partiellement à l'aide d'une ouverture traversante (18) de celui-ci, ledit ballon dudit fil (14) ;
    - un support (20) adapté pour supporter ledit élément de confinement (15), et adapté pour être fixé à une structure d'une unité de bobinage ;
    - des moyens de déplacement (22) disposés entre ledit élément de confinement (15) et ledit support (20), lesdits moyens de déplacement (22) étant adaptés pour déplacer ledit élément de confinement (15), pendant le dévidage du fil (14) provenant de la bobine (16), entre une position de repos et une position extraite ; et
    - une unité de commande programmable desdits moyens de déplacement (22) ;
    dans lequel lesdits moyens de déplacement (22) sont adaptés pour déplacer ledit élément de confinement (15) depuis ladite position de repos vers ladite position extraite, sur la base d'au moins un paramètre de fonctionnement réglé sur ladite unité de commande programmable ; caractérisé en ce que lesdits moyens de déplacement (22) sont adaptés pour déplacer ledit élément de confinement (15) sur la base d'un pourcentage de fil dévidé à partir de ladite bobine (16), réglé par un opérateur sur ladite unité de commande programmable.
  2. Dispositif (12) selon la revendication précédente, caractérisé en ce que ledit paramètre de fonctionnement prédéterminé, au moins au nombre de un, comprend le numéro de grosseur de fil et/ou la vitesse de bobinage et/ou un temps de traitement.
  3. Dispositif (12) selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits moyens de déplacement (22) comprennent un actionneur linéaire.
  4. Dispositif (12) selon la revendication précédente, caractérisé en ce que ledit actionneur linéaire est un actionneur pneumatique ou hydraulique.
  5. Dispositif (12) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que lesdits moyens de déplacement (22) comprennent un actionneur électrique.
  6. Dispositif (12) selon la revendication précédente, caractérisé en ce que lesdits moyens de déplacement (22) sont adaptés pour déplacer ledit élément de confinement (15) de manière continue entre ladite position de repos et ladite position extraite.
  7. Dispositif (12) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que lesdits moyens de déplacement (22) n'autorisent que deux positions de traitement dudit élément de confinement (15), la position de repos et la position extraite.
  8. Dispositif (12) selon l'une quelconque des revendications précédentes, caractérisé en ce que la distance entre ladite position de repos et ladite position extraite de l'élément de confinement (15) est supérieure à 50 mm.
  9. Dispositif (12) selon la revendication précédente, caractérisé en ce que la distance entre ladite position de repos et ladite position extraite de l'élément de confinement (15) est comprise entre 60 mm et 100 mm.
  10. Procédé de commande d'un ballon lors du dévidage d'une bobine dans une unité de bobinage d'un bobinoir, comprenant les étapes consistant à :
    - fournir un dispositif (12) de commande d'un ballon lors du dévidage d'un fil (14) provenant d'une bobine (16) selon l'une quelconque des revendications 1 à 9 ;
    - déplacer ledit élément de confinement (15) depuis la position de repos vers la position extraite sur la base d'au moins un paramètre de fonctionnement réglé sur ladite unité de commande programmable ; caractérisé en ce que lesdits moyens de déplacement (22) sont adaptés pour déplacer ledit élément de confinement (15) sur la base d'un pourcentage de fil dévidé à partir de ladite bobine (16), réglé par un opérateur sur ladite unité de commande programmable.
  11. Procédé de commande d'un ballon selon la revendication précédente, caractérisé en ce que ledit paramètre de fonctionnement prédéterminé est le numéro de grosseur du fil et/ou la vitesse de bobinage et/ou un temps de traitement.
  12. Procédé de commande d'un ballon selon l'une quelconque des revendications 10 à 11, caractérisé en ce que, à la suite d'une cassure du fil lors de l'opération de dévidage, lesdits moyens de déplacement (22) sont commandés par ladite unité de commande programmable pour ramener l'élément de confinement (15) de la position extraite à la position de repos.
EP20179780.0A 2019-06-21 2020-06-12 Dispositif et procédé de commande d'un ballon lors du déroulement d'un fil d'une bobine Active EP3753886B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000009687A IT201900009687A1 (it) 2019-06-21 2019-06-21 Dispositivo e metodo per il controllo di un balloon durante la dipanatura di un filato da una spola

Publications (2)

Publication Number Publication Date
EP3753886A1 EP3753886A1 (fr) 2020-12-23
EP3753886B1 true EP3753886B1 (fr) 2025-03-19

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EP20179780.0A Active EP3753886B1 (fr) 2019-06-21 2020-06-12 Dispositif et procédé de commande d'un ballon lors du déroulement d'un fil d'une bobine

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EP (1) EP3753886B1 (fr)
CN (2) CN212981979U (fr)
IT (1) IT201900009687A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900009687A1 (it) * 2019-06-21 2020-12-21 Savio Macch Tessili Spa Dispositivo e metodo per il controllo di un balloon durante la dipanatura di un filato da una spola
DE102021118845A1 (de) 2021-07-21 2023-01-26 Maschinenfabrik Rieter Ag Arbeitsstelle einer Spulmaschine sowie Verfahren zum Umspulen eines Garns
DE102021118843A1 (de) 2021-07-21 2023-01-26 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Arbeitsstelle einer Spulmaschine sowie Spulmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0356777U (fr) * 1989-10-05 1991-05-31
US5377923A (en) * 1991-07-01 1995-01-03 Murata Kikai Kabushiki Kaisha Yarn unwinding assisting device and yarn unwinding method in an automatic winder
JPH08169636A (ja) * 1994-12-20 1996-07-02 Murata Mach Ltd 糸の解舒方法
JP2547210Y2 (ja) * 1995-11-16 1997-09-10 村田機械株式会社 自動ワインダの解舒補助装置
DE60120544T2 (de) * 2000-04-12 2007-06-06 Murata Kikai K.K. Spulautomat mit einer Vorrichtung zur Unterdrückung der Garnhaarigkeit
DE102006052826A1 (de) * 2006-11-09 2008-05-15 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Spulstelle einer Kreuzspulen herstellenden Textilmaschine
JP2009242028A (ja) * 2008-03-28 2009-10-22 Murata Mach Ltd 自動ワインダーの糸解舒補助装置、および自動ワインダー
JP2013035664A (ja) * 2011-08-09 2013-02-21 Murata Machinery Ltd 糸巻取装置及び糸解舒方法
DE102015014383A1 (de) * 2015-11-09 2017-05-11 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Spindel einer Doppeldrahtzwirn- oder Kabliermaschine
IT201900009687A1 (it) * 2019-06-21 2020-12-21 Savio Macch Tessili Spa Dispositivo e metodo per il controllo di un balloon durante la dipanatura di un filato da una spola

Also Published As

Publication number Publication date
CN212981979U (zh) 2021-04-16
EP3753886A1 (fr) 2020-12-23
CN112110268A (zh) 2020-12-22
IT201900009687A1 (it) 2020-12-21

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