EP0829444A1 - Dispositif pour enrouler un fil sur une bobine - Google Patents

Dispositif pour enrouler un fil sur une bobine Download PDF

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Publication number
EP0829444A1
EP0829444A1 EP97115596A EP97115596A EP0829444A1 EP 0829444 A1 EP0829444 A1 EP 0829444A1 EP 97115596 A EP97115596 A EP 97115596A EP 97115596 A EP97115596 A EP 97115596A EP 0829444 A1 EP0829444 A1 EP 0829444A1
Authority
EP
European Patent Office
Prior art keywords
traversing
drive wheel
base plate
thread guide
tab
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
EP97115596A
Other languages
German (de)
English (en)
Other versions
EP0829444B1 (fr
Inventor
Theo Fäh
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 EP96114792A external-priority patent/EP0829443A1/fr
Application filed by SSM Schaerer Schweiter Mettler AG filed Critical SSM Schaerer Schweiter Mettler AG
Priority to EP19970115596 priority Critical patent/EP0829444B1/fr
Publication of EP0829444A1 publication Critical patent/EP0829444A1/fr
Application granted granted Critical
Publication of EP0829444B1 publication Critical patent/EP0829444B1/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
    • B65H54/2821—Traversing devices driven by belts or chains
    • 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
    • B65H54/72—Framework; Casings; Coverings
    • 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
    • B65H54/74—Driving 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
    • 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 winding a thread on a bobbin, with a thread guide, which is connected to a traversing element running via a motor-driven drive wheel and deflection rollers and carries out a traversing movement in the longitudinal direction of the bobbin, and with a sensor for monitoring which acts as a position transmitter the traversing movement of the thread guide.
  • the traversing element Because of the increased accelerations and decelerations of the traversing element, it should have the lowest possible mass and is therefore preferably designed as a flexible and stiff member in the traversing direction for transmitting tensile forces. Strings, wires, ropes, tapes or belts are known as suitable traversing elements.
  • the invention is now to provide a winding device in which the aforementioned dynamic changes of the traversing element formed by a flexible member in the manner of a string, a belt, a rope or a band or the like no longer occur in the region of the reversal points of motion, so that a very high traversing speed and a very high positioning accuracy of the thread guide is achieved.
  • this object is achieved in that the traversing element is guided via a prestressing element which is resiliently mounted transversely to this, in order to compensate for voltage fluctuations.
  • a first preferred embodiment of the winding device according to the invention is characterized in that the traversing element is formed by a wire rope, a string or a belt, and in that the pretensioning element is formed by the drive wheel.
  • a second preferred embodiment of the winding device according to the invention is characterized in that the deflecting rollers are fixedly mounted on a common carrier, and in that the drive wheel is mounted on a tongue-like tab which is supported by bending carriers.
  • the design of the drive wheel as a pretensioning element not only has the advantage that no additional element is required for the pretensioning element, but also enables optimal compensation of the dynamic changes in the traversing element. The latter is because both strands of the traversing element, the one running over the one and the other guide roller, wrap around the driving wheel so that it can act on both strands at the same time.
  • the storage of the drive wheel on the tongue-like tab connected to the carrier via bending carriers has the advantage that an optimal dynamic characteristic of the prestressing member can be achieved for the respective machine configuration by suitable dimensioning and design of the bending carriers.
  • a third preferred embodiment is characterized in that a base plate which is connected to the support, preferably screwed, is provided, on which the bending supports engage, and that the tab is supported on one edge by the bending supports and is exposed on the other edges.
  • a fourth preferred embodiment is characterized in that the base plate has two mutually encompassing, mutually directed U-shaped recesses, of which the inner part separates the flap from the bending supports and the outer part separates the bending supports from the base plate, and that the bending supports between the longitudinal legs of the Recesses run from the tab to the base plate.
  • a further preferred embodiment of the winding device according to the invention is characterized in that the sensor for the traversing movement of the thread guide monitors a rotating member coupled to the thread guide and scans the markings made thereon.
  • the rotating member is preferably formed by the drive wheel or by a disk rigidly connected to the drive wheel.
  • the design of the sensor according to the invention has the advantage that it always knows the exact position of the thread guide based on the number of scanned markings, so that the drive motor can always be controlled by a controller to the speed corresponding to the respective position. As a result, the power of the drive motor formed by a stepper motor can be used almost completely.
  • the bobbin shown in Fig. 1 consists essentially of a motor-driven spindle 1 for receiving and holding a bobbin tube 2, on which a bobbin, for example a bobbin 3, is wound, and from a device 4 for Laying a thread F, which is drawn off a supply spool by a delivery unit, not shown.
  • the cheese 1 lies along a surface line on a freely rotatable roller 5, which is mounted on a suitable carrier part 6 of the winding machine.
  • the thread laying 4, which is used to produce the desired winding contains, as the most important element, a thread guide 7 which executes an oscillating oscillating movement along the axis of the bobbin 3, that is to say perpendicular to the plane of the drawing.
  • the thread guide 7 is fastened on a traversing element 8.
  • This is designed as a flexible and rigid in the traversing direction for the transmission of tensile forces and is formed for example by a string, a wire, a metal cable, a flat, toothed or V-belt, a metal band, a chain or the like.
  • the traversing element 8 runs over two deflection rollers 9 and 10 which are rigidly mounted on the carrier part 6 to form a drive wheel 12 which can be driven by a motor 11, preferably a stepping motor, which wraps around it with a plurality of turns and is fastened to the drive wheel with both ends.
  • the thread guide 7 When the drive wheel 12 is driven, the thread guide 7 is moved in the direction of one or the other deflecting roller 9 or 10, depending on its direction of rotation.
  • the distance between the deflection rollers 9 and 10 indicates the maximum possible stroke of the thread guide 7 during its traversing movement.
  • the drive wheel 12 is adapted to the torque characteristic of the motor 11 and to the load formed from the thread guide 7, thread F and traversing element 8 in such a way that an ideal efficiency results.
  • a sensor 13 for detecting the rotational position of the drive wheel 12 and thus the traversing position of the thread guide 7 is assigned to the motor 11.
  • the sensor 13 is a photoelectric sensor consisting of a transmitting and a receiving diode, which senses the movement of a disk (not shown) rigidly connected to the drive wheel 12.
  • the disk is provided with suitable optically scannable markings, for example with holes or slots arranged along a circle.
  • the sensor signal is fed to a controller 14 which checks whether the motor 11 is running at the speed provided for the respective position of the thread guide 7. In the event of deviations between the actual value and the target value, the control stage 14 issues a corresponding control signal to the engine 11.
  • the number of markings on the disk and their dimension are selected such that approximately 1500 positions of the thread guide 7 can be checked per stroke of the thread guide 7.
  • the carrier part 6 has in the area of the thread laying 4 an approximately rectangular opening 15, which is covered against the thread F by a base plate 16.
  • the base plate 16 which is shown in more detail in FIG. 3, has on its longitudinal edges a plurality of bores 17 serving to receive fastening screws and is screwed to the edge of the opening 15 in the region of these bores.
  • Two further bores, provided with the reference symbol 18, serve to pass through the axes of the deflecting rollers 9 and 10 which are mounted in the carrier part 6.
  • the base plate 16 consists, as shown, of a strip-like edge region 19 and of a tongue-like tab 20 which is connected at one transverse edge to the edge region 19 of the base plate 16 and whose other edges are exposed.
  • the connection between the tab 20 and the edge area 19 takes place via two bending beams 21 which engage the above-mentioned transverse edge of the tab 20 and, at a distance from their longitudinal edges and parallel to them, are guided in the gap between the tab 20 and the edge area 19 to the opposite transverse edge of the edge area 19 are.
  • This arrangement looks as if the two bending supports 21 separate two, as it were, inserted, mutually directed, U-shaped recesses 25, 26, of which the inner recess 25 the tab 20 from the bending supports 21 and the outer recess 26 the bending supports 21 separates from the base plate 16.
  • the tab 20 of the base plate 16 is thus resiliently mounted on the edge region 19 and can be adjusted by the action of corresponding forces, both in the direction perpendicular to the plane of the drawing and transversely to the longitudinal edges of the base plate 16.
  • the tab 20 has a bore 22, which is provided for the rotationally secure reception of a corresponding part of the motor 11 (FIG. 1).
  • the motor 11 is fastened to the rear of the tab 20, so that the drive wheel 12 protrudes from the bore 22 at the front.
  • the part of the motor 11 held in the bore 22 is designed such that the best possible heat transfer takes place from the motor 11 to the bracket 20.
  • the tab 20 acts not only as a resilient carrier of the drive wheel 12, but also as a cooling surface for the motor 11.
  • the drive wheel 12 has a groove in the manner of a thread for guiding the windings of the traversing element 8, the windings of which therefore have an inclination corresponding to the slope relative to the plane spanned by the deflection rollers 9, 10 and the drive wheel 12.
  • the drive wheel 12 is arranged at a slight angle so that the turns of the groove in the area in which the traversing element 8 approaches and drives away from the driving wheel 12, lie parallel to the traversing element 8.
  • This oblique arrangement of the drive wheel 12 is achieved in that the bracket 20 carrying the motor 11 is inclined in its longitudinal direction relative to the base plate 16 by a few degrees, which can be easily accomplished by means of appropriate bearing means between the base plate 16 and the transverse edges of the bracket 20.
  • the resilient action of the tab 20 is used to compensate for dynamic changes in the traversing element 8, which is preferably formed by a steel cable, in the area of the movement reversal points.
  • the two strands of the traversing element 8 adjoining the thread guide behave differently, by loosening the front strand in the direction of movement and stretching the strand in the direction of movement, and stretching the strand in the direction of acceleration in the acceleration phase the traversing element is stretched and the rear is loosened.
  • This dynamic behavior of the traversing element 8 limits the positioning accuracy of the thread guide 7 for a given acceleration or deceleration and thus the traversing speed of the thread guide 7 for a given positioning accuracy of the thread guide 7. Since the requirements for the positioning accuracy of the thread guide are very high even for packages and for windings according to any winding laws, the dynamic behavior mentioned would increase of the traversing element 8 noticeably limit the traversing speed and thus the winding speed.
  • the drive wheel 12 acts on the traversing element 8 like a pretensioning element which presses laterally against the traversing element and compensates for fluctuations in its tensions. Since each strand of the traversing element 8 is guided from the thread guide 7 to the drive wheel 12, this resilient pretensioning element acts simultaneously on both strands of the traversing element 8 and thereby prevents both loosening of one strand and overstretching of the other strand in the acceleration and deceleration phases Traversing element.
  • the sensor 13 has the great advantage that the scanning of the disk provided with the markings enables complete monitoring of the entire traversing movement, which would only be possible with an unacceptably high outlay in the case of the arrangement of the sensor along the path of the thread guide 7 which was previously customary. For this reason, one has not previously monitored the entire movement of the thread guide 7, but only its passage through a specific position, and has checked whether the motor 11 has possibly lost a step. Since with this method the current position of the thread guide was only known approximately, a certain safety margin always had to be taken into account in the performance of the motor 11, so that the motor 11 could not be operated at its performance limit.
  • the sensor 13 always relates its monitoring to an initial position of the thread guide 7, preferably to the zero point of its traversing movement.
  • the sensor 13 is set in such a way that the thread guide 7 first reaches the one reversal point and is then brought to the other reversal point, the sensor 13 counting the number of markings corresponding to this stroke and calculating the zero point therefrom.
  • the sensor 13 thus knows the number of scanning pulses between the zero point and the reversal points, so that the position of the thread guide 7 corresponding to a specific scanning pulse can be determined at any time on the basis of these scanning pulses.
  • the latter enables extremely precise control of the motor 11, the power of which can thus be fully utilized.
  • the tab 20 has on its free transverse edge, that is the left edge in the figure, a nose-like projection 23, to which an indentation 24 arranged on the adjacent inner edge of the edge region 19 of the base plate 16 is assigned.
  • the projection 23 and the indentation 24 serve as aids for adjusting the pretension of the traversing element 8.
  • the projection 23 does not lie symmetrical to the indentation 24, but is slightly shifted downwards. The bias of the traversing element 8 is then set such that the projection 23 is symmetrical about the indentation 24.
  • Projection 23 and indentation 24 thus have the function of a marking which shows the position of the tab 20 in the pretensioned state of the traversing element 8. Another marking could of course also be used for this. However, it has been shown that the marking formed by the projection 23 and the indentation 24 is particularly suitable under the conditions in a textile operation as an adjustment aid for the pretensioning of the traversing element 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
EP19970115596 1996-09-16 1997-09-09 Dispositif pour enrouler un fil sur une bobine Expired - Lifetime EP0829444B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19970115596 EP0829444B1 (fr) 1996-09-16 1997-09-09 Dispositif pour enrouler un fil sur une bobine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96114792A EP0829443A1 (fr) 1996-09-16 1996-09-16 Dispositif pour enrouler un fil sur une bobine
EP96114792 1996-09-16
EP19970115596 EP0829444B1 (fr) 1996-09-16 1997-09-09 Dispositif pour enrouler un fil sur une bobine

Publications (2)

Publication Number Publication Date
EP0829444A1 true EP0829444A1 (fr) 1998-03-18
EP0829444B1 EP0829444B1 (fr) 2001-12-19

Family

ID=26142169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970115596 Expired - Lifetime EP0829444B1 (fr) 1996-09-16 1997-09-09 Dispositif pour enrouler un fil sur une bobine

Country Status (1)

Country Link
EP (1) EP0829444B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999065810A1 (fr) * 1998-06-12 1999-12-23 Maschinenfabrik Rieter Ag Changement de fil
EP1048601A1 (fr) * 1999-04-30 2000-11-02 Schärer Schweiter Mettler AG Bobinoir pour fil textile
EP1070676A1 (fr) 1999-07-17 2001-01-24 Schärer Schweiter Mettler AG Procédé et dispositif pour bobiner un fil textile
EP1209114A1 (fr) * 2000-11-16 2002-05-29 Schärer Schweiter Mettler AG Distributeur de fil pour un dispositif d'enroulement de fil autour d'une bobine
EP1277860A1 (fr) * 2001-07-21 2003-01-22 Schärer Schweiter Mettler AG Dispositif pour la fabrication de fils de fantaisie ainsi que l'utilisation du dispositif
CN109332399A (zh) * 2018-10-16 2019-02-15 胡海涛 一种铜合金扁线加工用张力调节装置
WO2019228891A1 (fr) 2018-05-30 2019-12-05 Ssm Giudici S.R.L. Dispositif et procédé pour la fabrication de fils fantaisie

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198871A (en) * 1978-02-23 1980-04-22 Mfe Corporation Transducer positioning apparatus
JPS58221053A (ja) * 1982-06-15 1983-12-22 Victor Co Of Japan Ltd 駆動装置
US4653948A (en) * 1983-12-28 1987-03-31 Citizen Watch Co., Ltd. Tract wire tightening device for carriage of printer
EP0302461A1 (fr) * 1987-08-04 1989-02-08 Rieter Ingolstadt Spinnereimaschinenbau AG Dispositif de bobinage de fil pour former une bobine croisée
DE8915275U1 (fr) * 1989-12-30 1990-02-15 Palitex Project-Company Gmbh, 4150 Krefeld, De
EP0453622A1 (fr) * 1990-04-23 1991-10-30 Ssm Schärer Schweiter Mettler Ag Procédé et dispositif pour enrouler un fil sur une bobine
JPH04203548A (ja) * 1990-11-29 1992-07-24 Canon Inc ベルト伝達駆動装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198871A (en) * 1978-02-23 1980-04-22 Mfe Corporation Transducer positioning apparatus
JPS58221053A (ja) * 1982-06-15 1983-12-22 Victor Co Of Japan Ltd 駆動装置
US4653948A (en) * 1983-12-28 1987-03-31 Citizen Watch Co., Ltd. Tract wire tightening device for carriage of printer
EP0302461A1 (fr) * 1987-08-04 1989-02-08 Rieter Ingolstadt Spinnereimaschinenbau AG Dispositif de bobinage de fil pour former une bobine croisée
DE8915275U1 (fr) * 1989-12-30 1990-02-15 Palitex Project-Company Gmbh, 4150 Krefeld, De
EP0453622A1 (fr) * 1990-04-23 1991-10-30 Ssm Schärer Schweiter Mettler Ag Procédé et dispositif pour enrouler un fil sur une bobine
JPH04203548A (ja) * 1990-11-29 1992-07-24 Canon Inc ベルト伝達駆動装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 008, no. 076 (M - 288) 9 April 1984 (1984-04-09) *
PATENT ABSTRACTS OF JAPAN vol. 016, no. 545 (M - 1337) 16 November 1992 (1992-11-16) *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999065810A1 (fr) * 1998-06-12 1999-12-23 Maschinenfabrik Rieter Ag Changement de fil
US6505791B1 (en) * 1998-06-12 2003-01-14 Maschinenfabrik Rieter Ag Thread traversing device
EP1048601A1 (fr) * 1999-04-30 2000-11-02 Schärer Schweiter Mettler AG Bobinoir pour fil textile
EP1070676A1 (fr) 1999-07-17 2001-01-24 Schärer Schweiter Mettler AG Procédé et dispositif pour bobiner un fil textile
EP1209114A1 (fr) * 2000-11-16 2002-05-29 Schärer Schweiter Mettler AG Distributeur de fil pour un dispositif d'enroulement de fil autour d'une bobine
EP1277860A1 (fr) * 2001-07-21 2003-01-22 Schärer Schweiter Mettler AG Dispositif pour la fabrication de fils de fantaisie ainsi que l'utilisation du dispositif
US6820405B2 (en) 2001-07-21 2004-11-23 Scharer Schweiter Mettler Ag Device for producing effect yarns and use of the device
WO2019228891A1 (fr) 2018-05-30 2019-12-05 Ssm Giudici S.R.L. Dispositif et procédé pour la fabrication de fils fantaisie
US11846044B2 (en) 2018-05-30 2023-12-19 Ssm Giudici S.R.L. Device and method for producing fancy yarns
CN109332399A (zh) * 2018-10-16 2019-02-15 胡海涛 一种铜合金扁线加工用张力调节装置

Also Published As

Publication number Publication date
EP0829444B1 (fr) 2001-12-19

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