EP0409755A1 - Method for interrupting a roving to initiate automatic removal of a full bobbin from a spindle bank for long fibres - Google Patents

Method for interrupting a roving to initiate automatic removal of a full bobbin from a spindle bank for long fibres Download PDF

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Publication number
EP0409755A1
EP0409755A1 EP90440065A EP90440065A EP0409755A1 EP 0409755 A1 EP0409755 A1 EP 0409755A1 EP 90440065 A EP90440065 A EP 90440065A EP 90440065 A EP90440065 A EP 90440065A EP 0409755 A1 EP0409755 A1 EP 0409755A1
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EP
European Patent Office
Prior art keywords
roving
wick
fin
order
interrupting
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Granted
Application number
EP90440065A
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German (de)
French (fr)
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EP0409755B1 (en
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N Schlumberger SAS
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N Schlumberger SAS
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/16—Yarn-severing arrangements, e.g. for cutting transfer tails; Separating of roving in flyer

Definitions

  • the present invention relates to the field of the textile industry, in particular the benches with spindles for long fibers and in particular the automatic lifting intended to rid said benches of full spools and to replace them by empty bobbins and relates to a process of rupture of the wick to be able to practice the automatic lifting of the full reels on a bench with spindles for long fibers.
  • the benches with spindles for short fibers such as cotton fibers
  • the automatic lifting operation being relatively easy, while on the benches with spindles for long fibers this operation is much more difficult to achieve.
  • the object of the present invention is to break the wick or the long fiber yarn in a place where the latter is relaxed.
  • a method of breaking the wick in order to be able to practice the automatic lifting of the full bobbins on a bench with spindles for long fibers, characterized in that it consists in bringing the rotation of the wire to a halt. fin and coil, the pressing finger of the fin in the lower conical zone of the coil, in order to cause a partial opening of the wick, then to carry out a partial rotation of the coil, the fin remaining stopped, in order to obtain the rupture of the wick, the coil being then removed from the bench.
  • FIGS. 1 to 3 of the appended drawing represent a bench with pins for long fibers essentially constituted by a fin 1 and a coil 2 on which the fin 1 winds a wick of fibers 3 by means of a pressing finger 4.
  • a process which consists in bringing the fin 1 to a stop at rotation. and of the coil 2, the pressing finger 4 of the fin 1 in the lower conical zone of the coil 2, in order to cause a partial opening of the wick 3, then to carry out a partial rotation of the coil 2, the fin 1 remaining stopped, in order to obtain the breakage of the wick 3, the coil 2 then being removed from the bench.
  • the wick 13 which is then also in the conical zone, tends to open, this tendency being favored by the simultaneous stopping of the coil 2 and of the fin 1, so that the rupture of the wick, following a partial rotation pulse of the coil 2, the fin 1 remaining stationary, is favored, this at a location chosen beforehand.
  • the pressing finger 4 of each fin 1 presses said end on an adhesive strip provided on said bobbins.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The present invention relates to a method for interrupting a roving so as to make it possible to initiate the automatic removal of full bobbins from a flier frame for long fibres, characterised in that it involves, when the rotation of the flier (1) and of the bobbin (2) has stopped, bringing the presser finger (4) of the flier (1) into the lower conical zone of the bobbin (2), in order to cause a partial opening of the roving (3), and then bringing about a partial rotation of the bobbin (2), with the flier (1) remaining stopped, in order to obtain the interruption of the roving (3), the bobbin (2) subsequently being removed from the frame. <IMAGE>

Description

La présente invention concerne le domaine de l'industrie textile, en particulier les bancs à broches pour fibres longues et notamment la levée automatique destinée à débarasser lesdits bancs des bobines pleines et à les remplacer par des bobinots vides et a pour objet un procédé de rupture de la mèche pour pouvoir pratiquer la levée automatique des bobines pleines sur un banc à broches pour fibres longues.The present invention relates to the field of the textile industry, in particular the benches with spindles for long fibers and in particular the automatic lifting intended to rid said benches of full spools and to replace them by empty bobbins and relates to a process of rupture of the wick to be able to practice the automatic lifting of the full reels on a bench with spindles for long fibers.

Actuellement, les bancs à broches pour fibres courtes, telles que les fibres de coton, sont générale­ment équipés d une levée automatique des bobines, l'opé­ration de levée automatique étant relativement aisée, tandis que sur les bancs à broches pour fibres longues cette opération est beaucoup plus difficile à réaliser.Currently, the benches with spindles for short fibers, such as cotton fibers, are generally equipped with an automatic lifting of the spools, the automatic lifting operation being relatively easy, while on the benches with spindles for long fibers this operation is much more difficult to achieve.

En effet, pour pouvoir effectuer le retrait des bobines pleines, il est nécessaire de rompre la mèche et, en outre, cette dernière doit être rompue à la sortie de la palette du doigt presseur. Cette opération est réali­sée sans difficulté en présence de fibres courtes, telles que les fibres de coton, le chariot portant les bobines pleines étant simplement affecté d un mouvement de de­scente après l'arrêt des bobines et des ailettes. Ce mou­vement de descente a pour conséquence une rupture de la mèche de chaque bobine à la sortie de la palette du doigt presseur, comme souhaité.Indeed, to be able to carry out the withdrawal of the full reels, it is necessary to break the wick and, moreover, the latter must be broken at the exit of the pallet from the pressing finger. This operation is carried out without difficulty in the presence of short fibers, such as cotton fibers, the carriage carrying the full bobbins being simply affected by a downward movement after the bobbins and the fins have stopped. This downward movement results in a rupture of the wick of each coil at the outlet of the pallet of the pressing finger, as desired.

Dans le cas de fibres longues, cette même ma­noeuvre ne permet absolument pas d'obtenir le même résul­tat, la mèche de fibres longues se rompant dans le tube de l'ailette et non à la sortie de la palette du doigt presseur, ce qui a pour effet que tout automatisme est rendu inutile, un réenfilage de toute la machine étant à chaque fois nécessaire. En effet, les fils à fibres lon­gues, à savoir dont les fibres présentent une longueur comprise entre 15 cm et 20 cm, ne cassent pas toujours au même endroit et présentent généralement un point faible à un endroit où le fil est détendu.In the case of long fibers, this same operation absolutely does not allow the same result to be obtained, the wick of long fibers breaking in the tube of the fin and not at the outlet of the pallet of the pressing finger, which has as a result that all automation is made unnecessary, re-threading of the whole machine being whenever necessary. In fact, long fiber yarns, that is to say whose fibers have a length of between 15 cm and 20 cm, do not always break in the same place and generally have a weak point at a place where the yarn is relaxed.

La présente invention a pour but de réaliser la rupture de la mèche ou du fil à fibres longues en un en­droit où cette dernière est détendue.The object of the present invention is to break the wick or the long fiber yarn in a place where the latter is relaxed.

A cet effet, elle a pour objet un procédé de rupture de la mèche pour pouvoir pratiquer la levée auto­matique des bobines pleines sur un banc à broches pour fibres longues caractérisé en ce qu il consiste à amener, à l'arrêt de la rotation de l'ailette et de la bobine, le doigt presseur de l'ailette dans la zone conique infé­rieure de la bobine, afin de provoquer une ouverture par­tielle de la mèche, puis à réaliser une rotation partiel­le de la bobine, l'ailette restant arrêtée, afin d'obte­nir la rupture de la mèche, la bobine étant ensuite enle­vée du banc.To this end, it relates to a method of breaking the wick in order to be able to practice the automatic lifting of the full bobbins on a bench with spindles for long fibers, characterized in that it consists in bringing the rotation of the wire to a halt. fin and coil, the pressing finger of the fin in the lower conical zone of the coil, in order to cause a partial opening of the wick, then to carry out a partial rotation of the coil, the fin remaining stopped, in order to obtain the rupture of the wick, the coil being then removed from the bench.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réali­sation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence au dessin schématique annexé, dans lequel :

  • la figure 1 est une vue en élévation latérale d'un banc à broches avant l'opération de rupture de la mèche :
  • la figure 2 est une vue en plan suivant la fi­gure 1, et
  • la figure 3 est une vue analogue à celle de la figure 1, après enlèvement de la bobine pleine.
The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawing, in which:
  • FIG. 1 is a side elevation view of a pin bench before the drill bit breaking operation:
  • FIG. 2 is a plan view according to FIG. 1, and
  • Figure 3 is a view similar to that of Figure 1, after removal of the full reel.

Les figures 1 à 3 du dessin annexé représentent un banc à broches pour fibres longues essentiellement constitué par une ailette 1 et une bobine 2 sur laquelle l'ailette 1 enroule une mèche de fibres 3 au moyen d'un doigt presseur 4.FIGS. 1 to 3 of the appended drawing represent a bench with pins for long fibers essentially constituted by a fin 1 and a coil 2 on which the fin 1 winds a wick of fibers 3 by means of a pressing finger 4.

Pour réaliser la rupture de la mèche à fibres longues afin de pouvoir pratiquer la levée automatique des bobines pleines, il est prévu, conformément à l'in­vention, un procédé qui consiste à amener, à l'arrêt de la rotation de l'ailette 1 et de la bobine 2, le doigt presseur 4 de l'ailette 1 dans la zone conique inférieu­re de la bobine 2, afin de provoquer une ouverture par­tielle de la mèche 3, puis à réaliser une rotation par­tielle de la bobine 2, l'ailette 1 restant arrêtée, afin d'obtenir la rupture de la mèche 3, la bobine 2 étant en­suite enlevée du banc.In order to effect the breaking of the long fiber wick in order to be able to automatically lift the full bobbins, there is provided, in accordance with the invention, a process which consists in bringing the fin 1 to a stop at rotation. and of the coil 2, the pressing finger 4 of the fin 1 in the lower conical zone of the coil 2, in order to cause a partial opening of the wick 3, then to carry out a partial rotation of the coil 2, the fin 1 remaining stopped, in order to obtain the breakage of the wick 3, the coil 2 then being removed from the bench.

Lorsque le doigt presseur 4 est dans la zone conique inférieure de la bobine 2, la mèche 13, qui se trouve alors également dans la zone conique, a tendance à s'ouvrir, cette tendance étant favorisée par l'arret si­multané de la bobine 2 et de l'ailette 1, de sorte que la rupture de la mèche, suite à une impulsion de rotation partielle de la bobine 2, l'ailette 1 restant immobile, est favorisée, ceci à un endroit choisi au préalable.When the pressing finger 4 is in the lower conical zone of the coil 2, the wick 13, which is then also in the conical zone, tends to open, this tendency being favored by the simultaneous stopping of the coil 2 and of the fin 1, so that the rupture of the wick, following a partial rotation pulse of the coil 2, the fin 1 remaining stationary, is favored, this at a location chosen beforehand.

A cet effet, il est avantageux qu'il subsiste, à la sortie du doigt presseur 4, une longueur de mèche comprise entre 40 mm et 100 mm.For this purpose, it is advantageous that there remains, at the outlet of the pressing finger 4, a length of wick between 40 mm and 100 mm.

Une fois que toutes les mèches d'un banc sont rompues, le "doffing" proprement dit, c est-à-dire l'en­lèvement même des bobines pleines, peut commencer.Once all the wicks of a bench are broken, the actual "doffing", that is to say the removal of the full reels, can begin.

Ensuite, pour assurer la rattache des extrémi­tés libres des mèches 3 sur les bobinots vides, le doigt presseur 4 de chaque ailette 1 vient plaquer ladite ex­trémité sur une bande adhésive prévue sur lesdits bobi­nots.Then, to ensure the connection of the free ends of the wicks 3 to the empty bobbins, the pressing finger 4 of each fin 1 presses said end on an adhesive strip provided on said bobbins.

Ainsi, il est possible de réaliser une levée automatique sur des bancs à broches pour fibres longues, notamment laine et autres, par résolution du problème de la rupture de la mèche au bon endroit.Thus, it is possible to carry out an automatic lifting on benches with spindles for long fibers, in particular wool and others, by solving the problem of breaking the wick in the right place.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins an­ nexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the drawings an attached. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (1)

1. Procédé de rupture de la mèche pour pouvoir pratiquer la levée automatique des bobines pleines sur un banc à broches pour fibres longues caractérisé en ce qu'il consiste à amener, à l'arrêt de la rotation de l'ailette (1) et de la bobine (2), le doigt presseur (4) de l'ailette (1) dans la zone conique inférieure de la bobine (2), afin de provoquer une ouverture partielle de la mèche (3), puis à réaliser une rotation partielle de la bobine (2), l'ailette (1) restant arrêtée, afin d'obtenir la rupture de la mèche (3), la bobine (2) étant ensuite enlevée du banc.1. A method of breaking the wick in order to be able to automatically lift the full bobbins on a bench with spindles for long fibers, characterized in that it consists in bringing the fin (1) to a stop, and of the spool (2), the pressing finger (4) of the fin (1) in the lower conical zone of the spool (2), in order to cause a partial opening of the wick (3), then to carry out a rotation partial of the coil (2), the fin (1) remaining stopped, in order to obtain the rupture of the wick (3), the coil (2) then being removed from the bench.
EP19900440065 1989-07-17 1990-07-16 Method for interrupting a roving to initiate automatic removal of a full bobbin from a spindle bank for long fibres Expired - Lifetime EP0409755B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8909750A FR2649727B1 (en) 1989-07-17 1989-07-17 METHOD OF BREAKING THE BIT TO BE ABLE TO AUTOMATICALLY LIFE THE FULL COILS ON A LONG FIBER SPINDLE BENCH
FR8909750 1989-07-17

Publications (2)

Publication Number Publication Date
EP0409755A1 true EP0409755A1 (en) 1991-01-23
EP0409755B1 EP0409755B1 (en) 1993-12-22

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EP19900440065 Expired - Lifetime EP0409755B1 (en) 1989-07-17 1990-07-16 Method for interrupting a roving to initiate automatic removal of a full bobbin from a spindle bank for long fibres

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EP (1) EP0409755B1 (en)
DE (1) DE69005384T2 (en)
ES (1) ES2049448T3 (en)
FR (1) FR2649727B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504111A1 (en) * 1991-03-14 1992-09-16 Maschinenfabrik Rieter Ag Procedure and device for making a bobbin
DE4231887A1 (en) * 1992-09-21 1994-03-24 Grosenhainer Textilmaschbau Process for separating roving when removing bobbins on roving machines
EP0692561A1 (en) * 1994-07-13 1996-01-17 N. SCHLUMBERGER &amp; CIE, S.A. Method for breaking a roving in preparation for automatic removal of bobbins from spindle banks and pressing finger for carrying out this method
EP0927780A1 (en) * 1997-12-22 1999-07-07 Zinser Textilmaschinen GmbH Method and device for laying down and severing a roving on a roving frame
CN109534106A (en) * 2018-09-21 2019-03-29 浙江龙仕达纺织科技有限公司 A kind of automatic rewinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303104A1 (en) * 1975-03-05 1976-10-01 Toyoda Automatic Loom Works PROCEDURE AND DEVICE FOR SECTIONING A BIT AT THE TIME OF LIFTING IN A CONTINUOUS TRADE WITH FINS
GB2005735A (en) * 1977-10-04 1979-04-25 Rieter Ag Maschf Method and apparatus for transferring a fibre roving from the completed bobbin package to an empty tube on a spinningpreparatory machine
EP0112303A1 (en) * 1982-12-17 1984-06-27 OFFICINE GAUDINO di P. GAUDINO &amp; C. S.a.s. Ring spinning or twisting machine having a device for the automatic and simultaneous removal of all full cops

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2526929B2 (en) * 1987-10-06 1996-08-21 株式会社豊田自動織機製作所 Method and device for cutting roving winding tail at doffing on roving machine
JPH089812B2 (en) * 1987-10-08 1996-01-31 株式会社豊田自動織機製作所 Cutting method of roving tail of roving machine in roving machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303104A1 (en) * 1975-03-05 1976-10-01 Toyoda Automatic Loom Works PROCEDURE AND DEVICE FOR SECTIONING A BIT AT THE TIME OF LIFTING IN A CONTINUOUS TRADE WITH FINS
GB2005735A (en) * 1977-10-04 1979-04-25 Rieter Ag Maschf Method and apparatus for transferring a fibre roving from the completed bobbin package to an empty tube on a spinningpreparatory machine
EP0112303A1 (en) * 1982-12-17 1984-06-27 OFFICINE GAUDINO di P. GAUDINO &amp; C. S.a.s. Ring spinning or twisting machine having a device for the automatic and simultaneous removal of all full cops

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 313 (C-618)(3661) 17 juillet 1989, & JP-A-01 097225 (TOYOTA AUTOM LOOM WORKS LTD) publié 14 avril 1989 *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 313 (C-618)(3661) 17 juillet 1989, & JP-A-01 097226 (TOYOTA AUTOM LOOM WORKS LTD) publié 14 avril 1989 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504111A1 (en) * 1991-03-14 1992-09-16 Maschinenfabrik Rieter Ag Procedure and device for making a bobbin
DE4231887A1 (en) * 1992-09-21 1994-03-24 Grosenhainer Textilmaschbau Process for separating roving when removing bobbins on roving machines
EP0692561A1 (en) * 1994-07-13 1996-01-17 N. SCHLUMBERGER &amp; CIE, S.A. Method for breaking a roving in preparation for automatic removal of bobbins from spindle banks and pressing finger for carrying out this method
FR2722513A1 (en) * 1994-07-13 1996-01-19 Schlumberger Cie N PROCESS FOR BREAKING THE WICK FOR AUTOMATIC LIFTING OF THE COILS ON SPINDLE BENCHES AND PRESSING FINGER IMPLEMENTED BY THIS PROCESS
US5575141A (en) * 1994-07-13 1996-11-19 N. Schlumberger Et Cie (Sa) Process for breaking yarn for the automatic removal of bobbins from banks of spindles and presser finger for practicing this process
EP0927780A1 (en) * 1997-12-22 1999-07-07 Zinser Textilmaschinen GmbH Method and device for laying down and severing a roving on a roving frame
CN109534106A (en) * 2018-09-21 2019-03-29 浙江龙仕达纺织科技有限公司 A kind of automatic rewinder

Also Published As

Publication number Publication date
ES2049448T3 (en) 1994-04-16
DE69005384T2 (en) 1994-07-14
DE69005384D1 (en) 1994-02-03
FR2649727A1 (en) 1991-01-18
EP0409755B1 (en) 1993-12-22
FR2649727B1 (en) 1991-10-04

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