EP1380528B1 - Verfahren zum automatischen Abheben von Spulen - Google Patents

Verfahren zum automatischen Abheben von Spulen Download PDF

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Publication number
EP1380528B1
EP1380528B1 EP03360080A EP03360080A EP1380528B1 EP 1380528 B1 EP1380528 B1 EP 1380528B1 EP 03360080 A EP03360080 A EP 03360080A EP 03360080 A EP03360080 A EP 03360080A EP 1380528 B1 EP1380528 B1 EP 1380528B1
Authority
EP
European Patent Office
Prior art keywords
bobbin
yarn
take
tension
reduced
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
EP03360080A
Other languages
English (en)
French (fr)
Other versions
EP1380528A1 (de
Inventor
Clément MEYER
Guy Schueller
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.)
Superba SAS
Original Assignee
Superba SAS
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Filing date
Publication date
Application filed by Superba SAS filed Critical Superba SAS
Publication of EP1380528A1 publication Critical patent/EP1380528A1/de
Application granted granted Critical
Publication of EP1380528B1 publication Critical patent/EP1380528B1/de
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
    • 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
    • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
    • 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 the field of the textile industry, in particular wire winding machines and relates to a method automatic reel lift.
  • an automatic lifting device picks up the full reel via gripping arm, after release of the holding caps of said coil, and causes said full coil to perform a pivoting movement during which a traction is carried out on the wire inducing a tension important in the latter.
  • This tension on the wire can have the consequence either directly lead to its rupture, or more generally to risk a tearing of the wire from its fixing between a tightening cap of the bobbin and the corresponding end of the bobbin, after cutting the finishing end wire from the full spool. Indeed, especially in the case of use of used bobbins or new bobbins with notch, it may happen that the clamping pressure of the empty bobbin between the holding caps is not sufficient to maintain a very tight wire between such an end and the corresponding cap, mainly due to irregularities in surface of said end, so that the wire is only in partial contact with surfaces pressed together and can escape from these surfaces.
  • the object of the present invention is to overcome these drawbacks by proposing an automatic reel lifting process allowing to carry out a full spool lift and automatic placement of a new empty bobbin ensuring a substantially controlled tension of the thread during the positioning of said bobbin, without risking breakage of the thread or its accidental stall before restarting the winding or when restart.
  • the method according to the invention consists essentially to achieve, during each lifting cycle, a relaxation of the tension of the supply wire, then to restart a new cycle of winding after completion of the lifting cycle, according to specifications of claim 1.
  • Figures 1 and 11 of the accompanying drawings show, by way of example, a winding station of a wire winding machine comprising a means 1 for holding and releasing a full coil 2, a winding fly 3 guiding the wire to be wound during winding, a bar 7 for clearing the winding fly 3, a coach for coil 4, caps 5 for tightening and holding the coil 6 and a device 8 for supplying the station with coils 6.
  • a winding station of a wire winding machine comprising a means 1 for holding and releasing a full coil 2, a winding fly 3 guiding the wire to be wound during winding, a bar 7 for clearing the winding fly 3, a coach for coil 4, caps 5 for tightening and holding the coil 6 and a device 8 for supplying the station with coils 6.
  • the reel drive 4 and the drive of the winding fly 3 are stopped, as is the lead feed, not shown in the accompanying drawings.
  • the result that the wire has, between the filled coil 2 and the pre-supply a thread tension close to that, or
  • the new process of automatic reel lifting essentially consists in carrying out, during each lifting cycle, a slackening of the tension of the supply wire (Figures 3 to 6), then restart a new winding cycle after the completion of the lifting cycle ( Figures 7 to 11).
  • So lifting the spool full 2 and the clearance of the winding fly 3 ( Figure 4) can be carried out with a controlled tension on the wire between the full coil 2 and the frontloading device, so that the establishment of the new bobbin 6 (figure 9), its tightening between the tightening caps 5 and the pinching of the wire between a cap 5 and one end of the bobbin 6 can be carried out without tensioning the wire.
  • the wire tight against the end of the new bobbin 6 is held with certainty at this end and when starting the coil drive 4 ( Figure 11) said wire is perfectly wound without risk of winding incident.
  • the slack in the tension of the power wire can be performed during winding stop, i.e. during the deceleration phase of the coil or when the coil comes to a complete stop, or even after the total stop of the reel, before or during the release of the full reel or just after the release.
  • the loosening of the tension of the power wire can also be achieved (Figure 3), by driving the coil 2 in the opposite direction of its rotation winding, by means of the coil drive 4, which is actuated in direction reverse, for a short time, using an inverter mechanical, electrical, electronic or other.
  • an inverter mechanical, electrical, electronic or other.
  • Such an inverter is known from skilled in the art and is not described in more detail.
  • one or two seconds for example allows, after stopping all the drive motors, namely the reel 4, the fly-fly trainer 3 and the front feed, to loosen or slack on the wire of a length sufficient to lift the full reel 2, release the winding fly 3 ( Figures 4 and 5), the introduction of the new winding 6 and the tightening of the wire between one end of this bobbin 6 and a cap 5 of tightening of the latter ( Figures 8 and 9).
  • the full spool wire can then be cut and a new winding phase can be started (figures 10 and 11), ensuring that the wire is not subjected to any tension during all the above operations.
  • the relaxation of the tension of the supply wire can be realized, when the winding stops, after the complete reel stop, during the release of the full reel 2 by loosening the thread tension upstream of the winding station.
  • the loosening of the tension of the supply wire can be obtained by action on the wire path upstream of the winding fly 3, all of the drive motors for the winding, for the fly winding and for frontloading being stopped.
  • Such a relaxation can be carried out both before the release of the full coil 2 and during this release.
  • this loosening or slack is obtained by a relative displacement of the different detour cylinders forming the frontloading in the direction of a shortening of the wire path during of the judgment. It is also possible to act on the length of the wire path by forecast of one or more detour cylinders in said path, these detour cylinders being movable out of a straight path. In such also, the detour cylinders may, in the winding position, find out of a straight path of the wire, so that the latter performs a longer journey and, at the stop of the various drive motors, these cylinders pass to a position substantially corresponding to a path straight wire, so that said wire is automatically slack. In the cases where an action is carried out on the path of the wire upstream of the winding, the various means allowing relaxation or slack to be obtained by displacement relative to their position when winding return automatically to their initial position during the restart phase of the winding.
  • the different reverse commands of the coil drive 4 or for moving different detour cylinders can advantageously be carried out automatically by through the usual programmable controller assigned to the control and monitoring the operation of the winding machine. Indeed, the commands necessary to implement a process in accordance with present invention can be perfectly integrated into the processes of current orders and therefore complete the order and order programs existing surveillance.
  • Figures 2 to 10 show, schematically, the essential phases of a spool lift according to the invention.
  • the Figure 2 shows the winding cycle stop and Figures 3 and 4 show a phase of relaxation of the threads followed by the release of the fly from winding 3 by means of the release bar 7.
  • the reel holder is then lowered ( Figure 5) and the reel loader is lowered ( Figure 6).
  • the reel holder is mounted ( Figure 7), this rise being followed a reel of the reel charger or station supply device in bobbins 6 (figure 8), itself followed by a descent of the bobbin holder (figure 9).
  • the winding fly 3 release bar 7 is then clear (Figure 10).
  • Figure 11 shows in perspective the start of the new winding cycle.

Landscapes

  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Manufacture Of Motors, Generators (AREA)

Claims (13)

  1. Verfahren zum automatischen Abheben von Spulen an einer Spulstelle einer Garnsputmaschine, umfassend ein Mittel (1) zum Halten und zum Freigeben einer vollen Spule (2), einen Läufer (3), der während des Aufspulens das aufzuspulende Garn führt, eine Ausrückstange (7) des Läufers (3), einen Spulen-Mitnehmer (4), Kalotten (5) zum Festspannen und Halten einer Hülse (6) und eine Vorrichtung (8) zum Beschicken der Stellen mit Hülsen (6), dadurch gekennzeichnet, dass das Verfahren im wesentlichen darin besteht, bei jedem Entnahmezyklus mit Unterbrechung des Abspulens des Garns eine Lockerung der Spannung des Einführfadens durchzuführen und nach Beendigung des Entnahmezyklus dann einen neuen Aufspulzyklus zu starten.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens beim Anhalten des Spulbetriebs während der Verzögerungsphase der Spule durchgeführt wird.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens bei völligem Stillstand der Spule durchgeführt wird.
  4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens nach dem völligen Stillstand der Spule durchgeführt wird.
  5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens beim Anhalten des Spulbetriebs vor der Freigabe der vollen Spule durchgeführt wird.
  6. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens beim Anhalten des Spulbetriebs während der Freigabe der vollen Spule durchgeführt wird.
  7. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens beim Anhalten des Spulbetriebs genau nach der Freigabe der vollen Spule durchgeführt wird.
  8. Verfahren nach einem der Ansprüche 3, 4, 6 und 7, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens stromaufwärts der Spulstelle durchgeführt wird.
  9. Verfahren nach einem der Ansprüche 3 bis 8, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens durch einen Antrieb der Spule (2) in der zu ihrer Aufspuldrehung umgekehrten Richtung durch einen Spulen-Mitnehmer (4) durchgeführt wird, der mittels einer mechanischen, elektrischen oder elektronischen oder anderen Umkehreinrichtung kurzzeitig in umgekehrter Richtung betätigt wird.
  10. Verfahren nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, dass die Lockerung der Spannung des Einführfadens durch eine Einwirkung auf die Fadenstrecke stromaufwärts des Läufers (3) durchgeführt wird, wobei die Gesamtheit der Antriebsmotoren für das Aufspulen, für den Läufer und für eine Vorbeschickung angehalten wird.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass das Erreichen der Lockerung durch eine Einwirkung auf die Länge der Fadenstrecke durch Vorsehen eines oder mehrerer Umlenkzylinder auf dieser Strecke realisiert wird, wobei diese Umlenkzylinder aus einer geraden Strecke heraus verschoben werden können.
  12. Verfahren nach Anspruch 10, dadurch gekennzeichnet, dass das Ereichen der Lockerung durch eine relative Verschiebung der verschiedenen, die Vorbeschickungsstelle bildenden Umlenkzylinder im Sinne einer Verkürzung der Fadenstrecke beim Anhalten realisiert wird.
  13. Verfahren nach Anspruch 9 oder Anspruch 12, dadurch gekennzeichnet, dass die verschiedenen Befehle für die Umkehr des Betriebs des Spulen-Mitnehmers (4) oder für die Verschiebung von verschiedenen Umlenkzylindern automatisch erfolgen.
EP03360080A 2002-07-08 2003-07-01 Verfahren zum automatischen Abheben von Spulen Expired - Lifetime EP1380528B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0208563 2002-07-08
FR0208563A FR2841884B1 (fr) 2002-07-08 2002-07-08 Procede de levee automatique de bobine

Publications (2)

Publication Number Publication Date
EP1380528A1 EP1380528A1 (de) 2004-01-14
EP1380528B1 true EP1380528B1 (de) 2004-11-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03360080A Expired - Lifetime EP1380528B1 (de) 2002-07-08 2003-07-01 Verfahren zum automatischen Abheben von Spulen

Country Status (3)

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EP (1) EP1380528B1 (de)
DE (1) DE60300160T2 (de)
FR (1) FR2841884B1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE788480A (fr) * 1971-09-23 1973-03-06 Rieter Ag Maschf Dispositif d'envidage avec changement automatique de bobine et moyens pour la compensation des variations de tension du fil au changement de bobine
GB1474571A (en) * 1973-04-16 1977-05-25 Daiwa Spinning Co Ltd Handling yarn ends during doffing and donning in a yarn winder
CH570337A5 (de) * 1974-02-06 1975-12-15 Heberlein & Co Ag
DE3938679A1 (de) * 1989-11-22 1991-05-23 Fritz Stahlecker Spinnmaschine mit einer spulenwechselvorrichtung

Also Published As

Publication number Publication date
EP1380528A1 (de) 2004-01-14
DE60300160D1 (de) 2004-12-23
DE60300160T2 (de) 2005-12-08
FR2841884B1 (fr) 2004-09-03
FR2841884A1 (fr) 2004-01-09

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