EP0311827B1 - Procédé et dispositif pour guider, tenir et couper un fil pendant le changement de bobines - Google Patents

Procédé et dispositif pour guider, tenir et couper un fil pendant le changement de bobines Download PDF

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Publication number
EP0311827B1
EP0311827B1 EP88115758A EP88115758A EP0311827B1 EP 0311827 B1 EP0311827 B1 EP 0311827B1 EP 88115758 A EP88115758 A EP 88115758A EP 88115758 A EP88115758 A EP 88115758A EP 0311827 B1 EP0311827 B1 EP 0311827B1
Authority
EP
European Patent Office
Prior art keywords
thread
bobbin
winding
region
cross
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
EP88115758A
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German (de)
English (en)
Other versions
EP0311827A2 (fr
EP0311827A3 (en
Inventor
Dietmar Greis
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.)
CAMBIO RAGIONE SOCIALE;RIETER INGOLSTADT SPINNEREI
Original Assignee
Schubert und Salzer Maschinenfabrik 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 Schubert und Salzer Maschinenfabrik AG filed Critical Schubert und Salzer Maschinenfabrik AG
Publication of EP0311827A2 publication Critical patent/EP0311827A2/fr
Publication of EP0311827A3 publication Critical patent/EP0311827A3/de
Application granted granted Critical
Publication of EP0311827B1 publication Critical patent/EP0311827B1/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
    • 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
    • B65H54/28—Traversing devices; Package-shaping 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
    • 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
    • B65H54/28—Traversing devices; Package-shaping arrangements
    • B65H54/34—Traversing devices; Package-shaping arrangements for laying subsidiary winding, e.g. transfer tails
    • 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
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/71—Arrangements for severing filamentary materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—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
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • 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 method for guiding, holding and separating a thread when changing the bobbin on a spinning bobbin winder, in which a continuously delivered thread is wound into a package and after reaching a predetermined diameter of the package in a region to the side of the winding area until after completion of changing the full bobbin against an empty bobbin tube is handled.
  • a disadvantage of this is the high mechanical effort that has to be done in order to implement the sequence of movements required for handling the thread.
  • the large number of actuating rods and plungers causes high assembly and maintenance costs, which leads to loss of production and high costs. This is particularly important in spinning machines with high spinning speeds, in which the bobbin change and the idle time of the winding device are to be kept as short as possible, since the thread spun during the bobbin change cannot be used for winding. Stopping the spinning process with subsequent re-spinning would mean too much effort for open-end spinning machines.
  • Another disadvantage for the bobbin formation is that the bobbin tube is only accelerated by releasing a shoe brake after the thread has been clamped. This results in a bad thread winding at a constant thread delivery speed, since the thread tension between the bobbin tube and the spinning position is unevenly high during the start of the winding process.
  • DE-OS 2.230.947 shows a device in which a stepper motor takes over the traversing of a thread guide.
  • the traversing speed changes depending on the rotational speed of the cheese.
  • the signals for the speed change are determined electromechanically and electronically.
  • the thread guide is driven by a shaft and moves back and forth in front of the winding area.
  • the disadvantage of this device is that a high level of effort is required to record the signal and to reverse a first translatory movement into a second translational movement opposite to the first.
  • this device is only suitable for traversing and not for supporting the bobbin change, since a rotational movement of the cross-wound bobbin or of the element which drives the cross-wound bobbin is always required to control the stepping motor.
  • the object of the present invention is to avoid the disadvantages of the known proposals described and to create a method for guiding, holding and separating a thread and a device for carrying out the bobbin change easily and easily even at high spinning speeds.
  • a traversing thread guide 1 feeds a thread 22, which is delivered continuously, to a cross-wound bobbin 21 by means of oscillating movements according to the double arrow shown.
  • the traversing thread guide 1 is slidably mounted on a thread guide rod 11 mounted in the holders 12 and 13.
  • the cheese 21 is located on a bobbin tube 2, which is held on both sides by rotatably mounted bobbin plates 23.
  • the coil plates 23 are fastened to known and therefore not shown coil arms, which allow the distance between the coil sleeve 2 and a drive roller 31.
  • the drive roller 31 is rotated by the axis 3 and drives the bobbin tube 2, the cheese 21 and the bobbin 23 with the aid of a frictional connection.
  • a catching device 24 for grasping the thread 22 at the start of the winding process is attached to the outer circumference of the bobbin plate 23.
  • the movement of the traversing thread guide 1 is generated by a microprocessor-controlled stepper motor 4.
  • This stepper motor 4 drives an endless toothed belt 41 via a toothed wheel 42, which is deflected in a deflecting wheel 43.
  • the traversing thread guide 1 is fastened to the toothed belt 41.
  • the microprocessor-controlled stepper motor 4 is characterized by very short reversal times and very good acceleration values.
  • the microprocessor control enables precise definition of reversal points and motion sequences, so that it is excellently suited to take over the handling of the thread 22 during the winding process and the bobbin change.
  • the stepping motor 4 moves the traversing thread guide 1 laterally next to the winding area 7 in front of the thread take-off, cutting and lifting device 5.
  • a pneumatically acting suction device 51, 52 is used as the thread take-off device.
  • the thread take-off, cutting and lifting device 5 contains two suction devices 51 and 52, which are arranged laterally next to a cutting knife 54 with a beater roller 55 and a thread lifter 56.
  • Cutting knife 54 and thread lifter 56 are both attached to a lifting magnet 53. If the solenoid 53 is actuated, the cutting knife 54 and thread lifter 56 move in the direction of the bobbin winder 23. When the bobbin tube 2 is empty or not very full, the lifting movement of the solenoid 53 is sufficient for the circumference of the bobbin winder 23 to be between the cutting knife 54 and the thread lifter 56 pushes.
  • the thread 22 comes into engagement with the catching device 24 located on the circumference of the bobbin plate 23.
  • the cutting blade 54 presses against the beater roller 55.
  • a thread 22 located between the cutting blade 54 and beater roller 55 is severed.
  • a pneumatic cylinder can also be used.
  • the suction 52 is followed by a container 6, which is suitable for receiving separated thread remnants, which are supplied by the suction 52.
  • the described device works according to the following procedure:
  • the traversing thread guide 1 moves back and forth in front of the package 21. In its position relative to the package 21, the traversing thread guide 1 is held by the thread guide rod 11, which in turn is held stationary in the holders 12 and 13.
  • the traversing thread guide 1 is controlled by a microprocessor Stepper motor 4, with which the traversing thread guide 1 is connected via a toothed belt 41, is driven.
  • the stepper motor 4 can be driven by the microprocessor control in such a way that the traversing thread guide 1 moves the thread 22 in dependence on the bobbin diameter on the cheese 21.
  • the traversing speed is adapted to these variable parameters and thus a largely constant crossing angle on the package 21 is achieved. Due to the very short reversal times and acceleration values of the stepping motor 4, it is generally not necessary to lay the edges on the cheese 21. However, if the result is still unsatisfactory, the edge processing can also be carried out by the microprocessor control.
  • the stepper motor 4 receives a signal and then ends the traversing process.
  • the traversing thread guide 1 is now guided together with the thread 22 laterally next to the winding area 7 in front of the thread pulling, cutting and lifting device 5. If the traversing thread guide 1 is in front of the suction 51, the thread 22 still being delivered is sucked in by the suction 51. If the thread 22 is gripped by the suction 51, the traversing thread guide 1 moves on to a second suction 52. Here too the thread 22 is sucked in and the thread 22 supplied is picked up by forming a thread loop within the suction 52. This thread 22 is now stretched between the suction 51 and 52 so that it can be easily cut with a cutting knife 54.
  • This cutting knife 54 is pressed by means of the lifting magnet 53 against a striking roller 55, which is preferably located between the suction devices 51 and 52.
  • the solenoid 53 receives the signal for the lifting movement after the traversing thread guide 1 has reached the position in front of the suction 52 and the thread 22 has been gripped by the suction 52. If the thread 22 is between the cutting knife 54 and the impact roller 55, it is severed during the lifting process.
  • the lifting magnet 53 is then moved back into its starting position.
  • the end of the bobbin on the bobbin is now pulled out of the suction 51 by the bobbin 21, which continues to rotate, and wound on the bobbin 21.
  • the other end of the thread like the thread 22 which is passed on from the spinning station and guided by the traversing thread guide 1, is sucked off by the suction 52.
  • the bobbin After the end of the thread on the bobbin 21 has been wound up, the bobbin is changed.
  • the full cross-wound bobbin 21 is exchanged for an empty bobbin tube 2, and the bobbin tube 2 is rotated by pressing on the drive roller 31.
  • the traversing thread guide 1 is guided with the thread 22 in front of the thread reserve area 8 and thus tensions the thread 22 between the traversing thread guide 1 and the suction 52.
  • the lifting magnet 53 is actuated and lifts the thread 22 the thread lifter 56 attached to the lifting magnet 53 in the direction of the bobbin winder 23.
  • the bobbin winder 23 rotating with the bobbin tube 2 and provided with a catch device 24 extends into the area of the raised thread lifter 56.
  • the catching device 24 grips the thread 22 and clamps it between the bobbin tube 2 and the bobbin plate 23.
  • the thread 22 is pressed against the striking roller 55 by the cutting knife 54, which is also actuated by the lifting magnet 53, and severed.
  • the separated thread 22 'taken in the suction 52 is passed into the container 6 following the suction 52.
  • the traversing thread guide 1 located in front of the thread reserve area 8 is slowly guided in the direction of the winding area 7 after the thread 22 has been cut with the aid of the microprocessor-controlled stepping motor 4 and thereby forms a thread reserve secured against slipping by the thread 22 repeatedly winding around the rotating bobbin tube 2.
  • the traversing of the traversing thread guide 1 in front of the winding area 7 is resumed.
  • the traversing thread guide 1 moves back and forth in front of the winding area 7 and spools the package 21 in the manner described at the beginning.

Claims (18)

  1. Procédé de guidage, maintien et sectionnement d'un fil pendant le changement de bobine sur une bobineuse de métier à filer, sur laquelle un fil, délivré en continu, est enroulé en bobine croisée et, lorsque cette bobine a atteint un diamètre prédéterminé, ce fil est manipulé, jusqu'à l'achèvement du remplacement de la bobine pleine par un mandrin vide, dans une zone située latéralement à côté de la zone de bobinage, procédé caractérisé en ce que le fil (22) est guidé par un moteur (4) pas-à-pas, qui est commandé par un microprocesseur, au moyen d'un guide-fil (1) à mouvement de va-et-vient, pendant tout le cours du bobinage et du changement de bobine.
  2. Procédé selon la revendication 1, caractérisé en ce que, lorsque la bobine a atteint un diamètre prédéterminé, le fil (22) est amené par le guide-fil (1) à mouvement de va-et-vient, latéralement à côté de la zone de bobinage (7), où il est saisi par un premier dispositif (51) de transfert de fil ; en ce que ce fil (22) est ensuite amené plus loin par le guide-fil, à mouvement de va-et-vient, à un second dispositif (52) de transfert de fil et est également saisi par celui-ci.
  3. Procédé selon la revendication 2, caractérisé en ce que le fil (22) est sectionné par un dispositif (53, 54, 55) coupe-fil entre les deux dispositifs (51, 52) de transfert du fil.
  4. Procédé selon la revendication 3, caractérisé en ce que le bout de fil qui se trouve du côté de la bobine est retiré, par cette bobine croisée (21) qui continue à tourner, du premier dispositif (51) de transfert de fil, et ce fil est enroulé sur ladite bobine (21).
  5. Procédé selon la revendication 4, caractérisé en ce que, pendant l'opération de changement de bobine, le fil (22) est tiré par le second dispositif (52) de transfert de fil.
  6. Procédé selon la revendication 5, caractérisé en ce que, après l'opération de changement de bobine, le fil (22) est amené, par le guide-fil (1) à mouvement de va -et-vient, en face de la zone (8) de réserve de fil.
  7. Procédé selon la revendication 6, caractérisé en ce que le fil (22) est saisi, entre la zone (8) de réserve de fil et le second dispositif (52) de transfert de fil, par un dispositif (53, 56) de levée de fil et est amené dans la zone d'action d'un dispositif (24) de retenue, est saisi par ce dernier et est fixé sur le tube ou canette (2) de bobinage.
  8. Procédé selon la revendication 7, caractérisé en ce que, dès que le fil (22) a été fixé sur le tube ou la canette (2) de bobinage, ce fil est saisi par le dispositif (53, 54, 55) coupe-fil et sectionné entre le disque (23) de bobine et le second dispositif (52) de transfert de fil.
  9. Procédé selon la revendication 8, caractérisé en ce que, pour former un enroulement de réserve, le fil (22) est guidé vers la zone de bobinage (7),et en ce que, lorsque l'enroulement de réserve a été formé, le mouvement de va-et-vient recommence dans cette zone de bobinage (7).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce que le bout de fil (22') sectionné est retiré par le second dispositif (52) de transfert de fil.
  11. Dispositif pour la mise en oeuvre du procédé selon l'une des revendications 1 à 10, comportant un support à mouvement de va-et-vient sur lequel est fixé un guide-fil, qui guide un fil dans une zone de bobinage, dispositif caractérisé en ce que le support est une bande sans fin qui est entraînée par un moteur (4) pas- à- pas commandé par un microprocesseur et qui s'étend sur la longueur d'une zone de bobinage (7) et au-delà sur la longueur d'un dispositif (5) de transfert, sectionnement et levée du fil.
  12. Dispositif selon la revendication 11, caractérisé en ce que le support est une courroie dentée (41).
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce que le dispositif (51, 52) de transfert du fil agit pneumatiquement.
  14. Dispositif selon l'une des revendications 11 à 13, caractérisé en ce que le dispositif coupe-fil est composé d'un électro-aimant (53) de levée, d'une lame de coupe (54) et d'un contre-rouleau (55).
  15. Dispositif selon l'une des revendications 11 à 14, caractérisé en ce que le dispositif coupe-fil et le dispositif de levée du fil forment un ensemble et peuvent être déployés au moyen d'un électro-aimant (53) de levée.
  16. Dispositif selon l'une des revendications 11 à 15, caractérisé en ce que le dispositif (5) de transfert, sectionnement et levée du fil est disposé à poste fixe à côté de la zone de bobinage (7).
  17. Dispositif selon l'une des revendications 11 à 16, caractérisé en ce qu'un récipient (6) de réception du fil (22) sectionné est disposé à la suite du second dispositif (52) de transfert de fil.
  18. Dispositif selon l'une des revendications 11 à 17, caractérisé en ce que, lorsqu'il est déployé, le dispositif (53, 56) de levée du fil arrive jusqu'à la zone d'action d'un dispositif (24) de retenue, disposé sur le disque (23) de bobine.
EP88115758A 1987-10-12 1988-09-24 Procédé et dispositif pour guider, tenir et couper un fil pendant le changement de bobines Expired - Lifetime EP0311827B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873734478 DE3734478A1 (de) 1987-10-12 1987-10-12 Verfahren und vorrichtung zum fuehren, halten und trennen eines fadens beim spulenwechsel
DE3734478 1987-10-12

Publications (3)

Publication Number Publication Date
EP0311827A2 EP0311827A2 (fr) 1989-04-19
EP0311827A3 EP0311827A3 (en) 1989-07-05
EP0311827B1 true EP0311827B1 (fr) 1992-01-29

Family

ID=6338152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115758A Expired - Lifetime EP0311827B1 (fr) 1987-10-12 1988-09-24 Procédé et dispositif pour guider, tenir et couper un fil pendant le changement de bobines

Country Status (4)

Country Link
US (1) US4948057A (fr)
EP (1) EP0311827B1 (fr)
JP (1) JPH01203177A (fr)
DE (2) DE3734478A1 (fr)

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US6315236B1 (en) 1999-04-23 2001-11-13 Barmag Ag Apparatus and method for guiding and cutting an advancing yarn during a package doff
DE10324253A1 (de) * 2003-05-28 2004-12-16 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren zum Warten einer Arbeitsstelle einer Textilmaschine sowie Textilmaschine und Nachrüstsatz für eine Textilmaschine

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CA2296591A1 (fr) * 1997-08-22 1999-03-04 Corning Incorporated Procede et dispositif permettant d'enrouler une fibre sur une bobine
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CN103628156B (zh) * 2013-12-04 2016-02-10 宜宾丝丽雅集团有限公司 一种设置有主动卷绕装置的纺丝机的纺丝工艺
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JP2018065658A (ja) * 2016-10-19 2018-04-26 村田機械株式会社 糸巻取装置及びパッケージの回転停止方法
CZ2016708A3 (cs) * 2016-11-14 2018-06-06 Rieter Cz S.R.O. Způsob definovaného uložení konce příze na cívce
CZ309324B6 (cs) 2016-11-14 2022-08-24 Rieter Cz S.R.O. Způsob definovaného uložení konce příze na cívce
CN110950165B (zh) * 2020-01-07 2021-03-12 冯满 一种方便卸载的线材绕线装置
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Also Published As

Publication number Publication date
EP0311827A2 (fr) 1989-04-19
EP0311827A3 (en) 1989-07-05
US4948057A (en) 1990-08-14
DE3734478A1 (de) 1989-04-27
JPH01203177A (ja) 1989-08-15
DE3734478C2 (fr) 1991-12-12
DE3868216D1 (de) 1992-03-12

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