EP2238062B1 - Procédé et dispositif de fabrication de bobines à enroulements croisés - Google Patents

Procédé et dispositif de fabrication de bobines à enroulements croisés Download PDF

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Publication number
EP2238062B1
EP2238062B1 EP08871694.9A EP08871694A EP2238062B1 EP 2238062 B1 EP2238062 B1 EP 2238062B1 EP 08871694 A EP08871694 A EP 08871694A EP 2238062 B1 EP2238062 B1 EP 2238062B1
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EP
European Patent Office
Prior art keywords
wound
winding
thread
bobbin
cross
Prior art date
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EP08871694.9A
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German (de)
English (en)
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EP2238062A1 (fr
Inventor
Martin Widmann
Petr Poznik
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Maschinenfabrik Rieter AG
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Maschinenfabrik Rieter AG
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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
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/381—Preventing ribbon winding in a precision winding apparatus, i.e. with a constant ratio between the rotational speed of the bobbin spindle and the rotational speed of the traversing device driving shaft
    • B65H54/383—Preventing ribbon winding in a precision winding apparatus, i.e. with a constant ratio between the rotational speed of the bobbin spindle and the rotational speed of the traversing device driving shaft in a stepped precision winding apparatus, i.e. with a constant wind ratio in each step
    • 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
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • 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 and an apparatus for producing cross wound packages at a winding station of a textile machine, in which the pitch angle of the wound thread is changed during winding.
  • the device includes a drive for rotating the cross-wound bobbin and at each winding station a variably drivable yarn guide for laying a wound thread in the axial direction of the cheese package under variable pitch angle.
  • crossing angle is used instead of the pitch angle.
  • the value of the crossing angle is twice the value of the pitch angle.
  • DE 103 42 266 A1 From the DE 103 42 266 A1 is a method and an apparatus of the type mentioned in the prior art.
  • goal of DE 103 42 266 A1 is the production of a cross-wound coil with a hard core or a high density in the inner region and a low density in the outer region.
  • the thread is wound at the beginning of the coil travel with a small pitch angle and increases the pitch angle during the coil travel continuously or in small steps.
  • the according to the method of DE 103 42 266 A1 formed Buchwickelspule has a wild winding, since the so-called Windungsdorf constantly changes during winding.
  • the turns ratio is defined as the number of turns of the cross-wound bobbin during a double stroke of the thread guide across the width of the cross-wound bobbin.
  • the invention has for its object to improve a method and an apparatus for producing cross-wound bobbins.
  • the object is achieved in the method with the features of claim 1 and in the device with the features of claim 4.
  • the invention has the advantage that the coil diameter is known at all times. In the case of the known devices, this could hitherto only be achieved by providing a separate sensor at each winding station which measured the coil diameter. By the present invention, this diameter sensor can be saved at each winding station.
  • the fact that the bobbin diameter is always known, can be calculated with the help of the well-known peripheral speed of the cross-wound bobbin, the coil speed and thus also the currently present turns ratio.
  • the cross-wound bobbin is driven at its circumference via a winding roller and consequently rotates at a peripheral speed substantially equal to the peripheral speed of the winding roller.
  • the thread guide for laying the thread to be wound in the axial direction of the cheese package is provided with a variable speed drive, which is controlled by the controller, so that the speed of the thread guide is known. From this, the turns ratio can be calculated in the controller so that the turns ratio is known at all times when the cross-wound bobbin is produced.
  • the known coil diameter allows the targeted winding of the thread always with the optimum pitch angle. It can produce cross-wound bobbins, which are optimally adapted to the subsequent processing steps. For example, good flow properties of the cross-wound bobbin can be achieved by a relatively large pitch angle with a small bobbin diameter and with the bobbin diameter decreasing pitch angle. It can also be targeted cross winding coils with high density, the are particularly suitable for further processing in the weaving or produce dyeing bobbins with a particularly homogeneous coil structure.
  • the winding of the thread with an undesirable turn ratio at which image winding zones occur can be reliably prevented because the turn ratio can be adjusted just before the occurrence of an undesirable value by varying the pitch angle by changing the thread guide speed.
  • the invention is particularly suitable for spinning machines in which the yarn is supplied at a known delivery speed, which is usually constant.
  • the length of the wound thread can be determined directly from the known delivery speed for the control.
  • the peripheral speed of the winding roller In order for the yarn to be wound up with a constant yarn tension at a constant delivery speed, it is necessary for the peripheral speed of the winding roller to be changed in opposite directions during the change in the traversing speed of the yarn guide for changing the pitch angle, so that the resulting winding speed remains constant.
  • the coil diameter is known in the control, it can also be provided that the thread tension is optimized in certain diameter ranges of the cross-wound coil. For example, it may be advantageous to wind the thread in the lower diameter range with a slightly higher thread tension in order to improve the stability of the cross-wound bobbin.
  • the invention can just as easily be used on winding machines.
  • the length of the already wound thread can be calculated on the winder from the winding speed, which results from the addition of the vectors of the peripheral speed and the traversing speed.
  • the thread tension can be regulated by a thread brake, so that when changing the traversing speed to change the pitch angle, a simultaneous adjustment of the peripheral speed of the winding roller is not essential.
  • the thread speed can be detected, for example, by a non-contact speed sensor arranged in front of the winding station.
  • the calculation of the coil diameter based on the length of the already wound thread can be done by a mathematical model is stored in the control of the textile machine or in its own control of the winding unit, which was determined on the basis of preliminary tests.
  • the mathematical model can be wound for a given thread with defined thread parameters, such as material, twist and fineness, known crossing angle and thread tension, and starting from the diameter of the sleeve the coil diameter is constantly measured and stored as a function of the length of the wound thread.
  • the coil diameter can then be calculated on each winding station of the textile machine on the basis of the length of the already wound thread, without that thereby further measurements of the diameter are required. It may be advantageous that in calculating the coil diameter, the yarn tension and / or the crossing angle with which the thread was wound, is taken into account. The accuracy of the mathematical model can be increased if the thread tension and the crossing angle can also be considered as variables. In a further embodiment of the invention, it may be advantageous for a reference measurement of the coil diameter to be carried out at specific time intervals in order to correct the calculated value of the coil diameter.
  • the variables used for the calculation of the coil diameter are subject to tolerances, so that the calculated coil diameter may deviate from the actual value. These inaccuracies can be compensated by a reference measurement of the coil diameter.
  • the actually measured value of the coil diameter can be used as a new starting basis for the further calculations of the coil diameter, so that the tolerance-related errors of the calculated coil diameter are not unduly large.
  • a reference measurement of the coil diameter can be carried out by a common sensor for measuring at several winding stations. The sensor can be delivered to the winding stations successively and is advantageously arranged on a carriage which can be moved along the textile machine. There is only one sensor necessary for the entire textile machine, so that the construction of the Spooling without its own diameter sensor is still very easy.
  • the sensor can measure the bobbin diameter of the cross-wound bobbin in a different and arbitrary manner.
  • the sensor can be fed directly to, for example, a cross-wound bobbin and contactlessly scan the diameter of the cross-wound bobbin.
  • the determination of the coil diameter can also be done indirectly by the sensor is deliverable to a coil frame for receiving a sleeve of the cross-wound bobbin. By mechanical or optical scanning of the position of the creel above the winding roller, the bobbin diameter can be calculated.
  • FIGS. 1 and 2 is to be recognized only partially and very schematically shown spinning machine.
  • a yarn 2 produced in a spinning unit 1 is withdrawn from the spinning unit 1 by a pair of delivery rollers 3, 4 and fed to a winding unit 5 at a delivery speed v 1, where it is wound onto a cross-wound bobbin 6.
  • the spinning unit 1 can be arbitrary per se and be formed for example by an air spinning device or an open-end spinning device. The production of a thread in such spinning units is known per se and need not be explained in detail.
  • the delivery roller 3 of the delivery roller pair 3, 4 is by a Driven drive 7 and transported the clamped between the feed rollers 3 and 4 thread with the most constant delivery speed v 1 to ensure a uniform yarn formation in the spinning unit 1.
  • the thread 2 passes from the pair of delivery rollers 3, 4 via a stationary yarn guide 8 and a traversable in the direction of the double arrow B yarn guide 9 to the cheese package 6.
  • the cross-wound bobbin 6 consists of a sleeve 10 and a cylindrical or conical package 11, by the layer on the sleeve 10 wound yarn 2 is formed.
  • the sleeve 10 is freely rotatably held in a coil frame 12 and the cross-wound bobbin 6 lies with its outer peripheral surface on a winding roller 13.
  • the creel 12 is pivotally mounted on an axis 14 and, where appropriate, the coil frame 12 may be associated in a manner not shown strain means that enhance the pressure of the cross-wound bobbin 6 to the winding roller 13.
  • the winding roller 13 is driven by a drive 15 for rotation.
  • the cross-wound bobbin 6 rotates at the peripheral speed v 2 of the winding roller 13. Since the bobbin diameter D of the cross-wound bobbin 6 increases with the amount of the wound yarn 2, the speed of the cross-wound bobbin 6 changes at a given peripheral speed v 2 .
  • the yarn guide 9 changing in direction B serves to lay the yarn 2 to be wound up in the axial direction of the cross-wound bobbin while the cross-wound bobbin 6 is driven by the winding roller 13 for rotation.
  • the yarn 2 is thereby wound helically with a pitch angle ⁇ on the cross-wound bobbin 6.
  • the yarn guide 9 moves with a traversing speed v 3 , by the change of the pitch angle ⁇ is variable.
  • FIG. 3 illustrated addition of the vectors of the peripheral speed v 2 and the traversing speed v 3 , which are perpendicular to each other, we obtain the resulting winding speed v 4 , with which the thread 2 runs onto the cross-wound bobbin 6.
  • the yarn guide 9 is shown in the example shown here as attached to a pivot lever 16 eyelet and can be reciprocated over the associated with the pivot lever 16 drive 17 in traversing B axially to the cross-wound bobbin.
  • the embodiment of the yarn guide 9 and its drive are merely exemplary and can just as well be designed differently.
  • the yarn guide 9 can also be formed by two counter-rotating impellers, which move the yarn in traversing B.
  • the drive 17 of the thread guide 9 and the drive 15 of the winding roller 13 are connected to a controller 18.
  • the controller 18 controls the drives 15 and 17 so that the desired circumferential speed v 2 and traversing speed v 3 are present.
  • the controller 18 is also connected to the drive 7 of the delivery roller pair 3, 4. If the controller 18 does not control the drive 7, it receives at least information about the delivery speed v 1 of the delivery roller pair 3, 4.
  • the winding speed v 4 At a constant delivery speed v 1 , it is important that the winding speed v 4 also remains substantially constant.
  • the winding speed v 4 may differ slightly from the delivery speed v 1 in order to ensure a certain yarn tension of the yarn 2.
  • the peripheral speed v 2 and the traversing speed v 3 can be controlled so that the pitch angle ⁇ is variable and the winding speed v 4 remains constant.
  • FIG. 3 an example is shown in which the pitch angle ⁇ is to be increased to a larger pitch angle ⁇ '.
  • the circumferential velocity v 2 'and 2 reduced the traversing speed v to v 3' to the value of v increases.
  • the pitch angle ⁇ is selected as a function of the coil diameter D in order to produce a cross-wound bobbin 6 with defined properties.
  • the bobbin diameter D is calculated on the basis of the length of the already wound thread 2.
  • a mathematical model is deposited, with which the coil diameter D can be calculated based on the length of the already wound yarn 2.
  • a common sensor 19 for measuring the coil diameter D at a plurality of winding units 5 is provided.
  • a plurality of spinning units 1 and the associated winding units 5 is arranged side by side in the spinning machine on a spinning machine.
  • Conventional spinning machines contain several hundred spinning units 1 side by side, which each generate a thread 2 at the same time.
  • a movable in the longitudinal direction of the spinning machine 20 is arranged, the individual winding units 5 and the spinning units 1 is deliverable.
  • the carriage 20 may be, for example, a service trolley, which serves to remedy yarn breaks in the spinning unit 1 and / or to replace a full cross-wound bobbin 6 against an empty sleeve 10.
  • the sensor 19 On the carriage 20, the sensor 19 is arranged.
  • the sensor 19 measures the bobbin diameter D of the cross-wound bobbin 6 at that winding station 5 at which the carriage 20 just passes.
  • the sensor 19 may, for example, as shown by the dashed arrow 21st is indicated directly scan the surface of the package 11 and determine therefrom the coil diameter D.
  • the senor 19 determines the bobbin diameter D when the carriage 20 stops at a spinning unit in order to fix a thread break there.
  • the senor 19 scans the position of the coil frame 12, as indicated by the dashed arrow 22.
  • the scanning of the position of the coil frame 12 is an indirect measure of the coil diameter D.
  • control measurement of the coil diameter D by the sensor 19 can be corrected in the controller 18 calculated value of the coil diameter D.
  • the diameter value determined during the reference measurement can be used as the basis for further calculation of the coil diameter at this winding station, so that the calculated value is much more accurate.
  • the mathematical model stored in the controller 18 for calculating the coil diameter D is improved and optimized by each measured coil diameter D. As a result, the accuracy of the diameter calculation at all winding units 5 can be improved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Winding Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)

Claims (9)

  1. Procédé pour fabriquer des bobines à bobinage croisé (6) à un poste de bobinage (5) d'une machine à filer ou d'une machine à bobiner, dans lequel l'angle de pas du fil (2) bobiné est modifié durant le bobinage et l'angle de pas (α) est choisi en fonction du diamètre de bobine (D), caractérisé en ce qu'une longueur du fil déjà bobiné est calculée à l'aide de la vitesse de livraison au poste de bobinage de la machine à filer ou à l'aide de la vitesse de bobinage au poste de bobinage de la machine à bobiner, et que le diamètre de bobine est calculé à l'aide d'un modèle mathématique et à l'aide de la longueur calculée du fil déjà bobiné.
  2. Procédé selon la revendication 1, caractérisé en ce que lors du calcul du diamètre de bobine, la contrainte de traction de fil et/ou l'angle de pas avec lequel le fil a été bobiné est/sont pris en compte.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'une mesure de référence du diamètre de bobine est effectuée afin de corriger la valeur calculée du diamètre de bobine.
  4. Dispositif pour la fabrication de bobines à bobinage croisé (6) à plusieurs postes de bobinage (5) d'une machine à filer ou d'une machine à bobiner avec un entraînement (13) pour la rotation de la bobine à bobinage croisé (6) et, à chaque poste de bobinage (5), avec un guide-fil (9) à entraînement variable pour déposer un fil (2) à bobiner dans la direction axiale de la bobine à bobinage croisé (6) à un angle de pas (α) modifiable, qui est choisi en fonction du diamètre de bobine, caractérisé en ce qu'il est prévu une commande (18) pour le calcul du diamètre de bobine (D) sur la base de la longueur de fil (2) déjà bobinée, laquelle commande (18) est reliée avec l'entraînement (17) du guide-fil (9), sachant qu'un modèle mathématique est enregistré dans la commande (18), qu'une longueur du fil déjà bobiné peut être calculée à l'aide de la commande (18) sur la base de la vitesse de livraison au poste de bobinage de la machine à filer ou sur la base de la vitesse de bobinage au poste de bobinage de la machine à bobiner, et le diamètre de bobine peut être calculé à l'aide d'un modèle mathématique et à l'aide de la longueur calculée du fil déjà bobiné.
  5. Dispositif selon la revendication 4, caractérisé en ce qu'un capteur (19) commun est prévu à plusieurs postes de bobinage (5) pour la mesure du diamètre de bobine (D).
  6. Dispositif selon la revendication 5, caractérisé en ce que le capteur (19) peut être mis en position successivement aux postes de bobinage (5).
  7. Dispositif selon l'une des revendications 5 ou 6, caractérisé en ce que le capteur (19) est disposé sur un chariot (20) déplaçable le long de la machine à filer ou de la machine à bobiner.
  8. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que le capteur (19) peut être mis en position directement à une bobine à bobinage croisé (6).
  9. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que le capteur (19) peut être mis en position à un étrier (12) de bobine pour accueillir un manchon (10) de la bobine à bobinage croisé (6).
EP08871694.9A 2008-01-28 2008-10-17 Procédé et dispositif de fabrication de bobines à enroulements croisés Active EP2238062B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008008083A DE102008008083A1 (de) 2008-01-28 2008-01-28 Verfahren und Vorrichtung zum Herstellen von Kreuzwickelspulen
PCT/EP2008/008796 WO2009095043A1 (fr) 2008-01-28 2008-10-17 Procédé et dispositif de fabrication de bobines à enroulements croisés

Publications (2)

Publication Number Publication Date
EP2238062A1 EP2238062A1 (fr) 2010-10-13
EP2238062B1 true EP2238062B1 (fr) 2016-05-11

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EP08871694.9A Active EP2238062B1 (fr) 2008-01-28 2008-10-17 Procédé et dispositif de fabrication de bobines à enroulements croisés

Country Status (6)

Country Link
US (1) US20100301155A1 (fr)
EP (1) EP2238062B1 (fr)
JP (1) JP5128679B2 (fr)
CN (1) CN101970325B (fr)
DE (1) DE102008008083A1 (fr)
WO (1) WO2009095043A1 (fr)

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Publication number Priority date Publication date Assignee Title
US11117737B2 (en) 2012-11-12 2021-09-14 Southwire Company, Llc Wire and cable package
DE102012023559A1 (de) * 2012-12-01 2014-06-05 Saurer Germany Gmbh & Co. Kg Verfahren zur Herstellung einer als Kreuzspule ausgebildeten Färbespule
CZ2015234A3 (cs) * 2015-04-07 2016-11-16 Rieter Cz S.R.O. Způsob ukončení předení na pracovním místě rotorového dopřádacího stroje
CN106829627B (zh) * 2017-01-26 2022-09-09 无锡鑫达为纺织机械有限公司 槽筒式络筒机机械防叠装置
JP2019137480A (ja) * 2018-02-07 2019-08-22 村田機械株式会社 糸巻取機及び糸巻取方法
CN111472159B (zh) * 2020-05-09 2021-09-03 苏州基列德智能制造有限公司 纺织设备的定长检测方法、系统及存储介质

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US4771961A (en) 1986-06-03 1988-09-20 Teijin Seiki Company Limited Yarn traverse apparatus
DE3920374A1 (de) 1989-06-22 1991-01-03 Schlafhorst & Co W Verfahren und wickeleinrichtung zum herstellen einer kreuzspule mit stufenpraezisionswicklung
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EP0816277A2 (fr) 1996-06-26 1998-01-07 W. SCHLAFHORST AG & CO. Procédé et dispositif pour fabriquer des bobines à spires croisées au hasard
EP1110896A2 (fr) 1999-12-22 2001-06-27 W. SCHLAFHORST AG & CO. Procédé pour le bobinage de bobines à spires croisées
DE102005054356A1 (de) 2005-11-15 2007-05-16 Saurer Gmbh & Co Kg Verfahren zur Vermeidung von Bildwicklungen

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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771961A (en) 1986-06-03 1988-09-20 Teijin Seiki Company Limited Yarn traverse apparatus
DE3920374A1 (de) 1989-06-22 1991-01-03 Schlafhorst & Co W Verfahren und wickeleinrichtung zum herstellen einer kreuzspule mit stufenpraezisionswicklung
JPH06329335A (ja) * 1993-05-21 1994-11-29 Murata Mach Ltd 巻取方法
EP0816277A2 (fr) 1996-06-26 1998-01-07 W. SCHLAFHORST AG & CO. Procédé et dispositif pour fabriquer des bobines à spires croisées au hasard
EP1110896A2 (fr) 1999-12-22 2001-06-27 W. SCHLAFHORST AG & CO. Procédé pour le bobinage de bobines à spires croisées
DE102005054356A1 (de) 2005-11-15 2007-05-16 Saurer Gmbh & Co Kg Verfahren zur Vermeidung von Bildwicklungen

Also Published As

Publication number Publication date
DE102008008083A1 (de) 2009-07-30
CN101970325A (zh) 2011-02-09
EP2238062A1 (fr) 2010-10-13
JP5128679B2 (ja) 2013-01-23
JP2011510884A (ja) 2011-04-07
US20100301155A1 (en) 2010-12-02
WO2009095043A1 (fr) 2009-08-06
CN101970325B (zh) 2013-04-03

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