WO2006048106A1 - Method and device for operating a work station of a textile machine that produces cross-wound bobbins - Google Patents

Method and device for operating a work station of a textile machine that produces cross-wound bobbins Download PDF

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Publication number
WO2006048106A1
WO2006048106A1 PCT/EP2005/011114 EP2005011114W WO2006048106A1 WO 2006048106 A1 WO2006048106 A1 WO 2006048106A1 EP 2005011114 W EP2005011114 W EP 2005011114W WO 2006048106 A1 WO2006048106 A1 WO 2006048106A1
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WO
WIPO (PCT)
Prior art keywords
thread
cross
cheese
yarn
winding
Prior art date
Application number
PCT/EP2005/011114
Other languages
German (de)
French (fr)
Inventor
Alexander Marx
Jochen Cüppers
Peter Schwartz
Helmut Kohlen
Herbert Rüskens
Wolf-Michael Ruh
Birgit Kemp
Harald MÜLLERS
Michael Quante
Franz-Josef Flamm
Original Assignee
Saurer Gmbh & Co. Kg
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.)
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Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35589602&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2006048106(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saurer Gmbh & Co. Kg filed Critical Saurer Gmbh & Co. Kg
Priority to DE502005004478T priority Critical patent/DE502005004478D1/en
Priority to CN2005800371689A priority patent/CN101061048B/en
Priority to EP05798165A priority patent/EP1807335B2/en
Priority to JP2007538296A priority patent/JP5001849B2/en
Publication of WO2006048106A1 publication Critical patent/WO2006048106A1/en

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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
    • B65H54/2827—Traversing devices with a pivotally mounted guide arm
    • 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
    • B65H54/2833—Traversing devices driven by electromagnetic means
    • 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
    • B65H54/2884—Microprocessor-controlled traversing devices in so far the control is not special to one of the traversing devices of groups B65H54/2803 - B65H54/325 or group B65H54/38
    • B65H54/289—Microprocessor-controlled traversing devices in so far the control is not special to one of the traversing devices of groups B65H54/2803 - B65H54/325 or group B65H54/38 stopping the yarn guide in a predetermined position
    • 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
    • B65H54/388—Preventing the yarn from falling off the edge of the 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
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • 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 operating a workstation of a cross-wound textile machine according to the preamble of claim 1 and an apparatus according to claim 5.
  • Thread laying systems known.
  • Thread guide drums which usually also the
  • the associated yarn laying device also has its own drive.
  • the size and direction of the drive torque of the thread guide drive is adjusted by controlling or regulating the supplied current in each phase of the movement.
  • a control computer preferably the winding station computer, the current intensity and current direction according to a predetermined program angle and time-dependent controls.
  • a control computer preferably the winding station computer
  • the current intensity and current direction according to a predetermined program angle and time-dependent controls.
  • the respectively desired laying angle of the thread, the traversing width or the traversing points can be set.
  • a corresponding sensor preferably an angle sensor, while the respective angular position of the yarn guide finger is detected, verifies compliance with the target value and, if necessary, the actual value is adjusted to the desired value by rules.
  • Such finger thread guides have proven to be extremely flexible thread laying devices, but have, as thread guide drums, the disadvantage that in the case of a winding interruption, especially in a thread break, but also in a controlled cleaner cut, there is always the danger that the upper thread connected to the cheese does not run properly on the cheese. That is, in the known thread-laying systems there is always the risk that the free end of the thread falls next to the end faces of the cheese and then no longer or no longer can be properly absorbed by the Fadensaugdüse the winding unit. Therefore, in the past, devices have already been developed in which drop threads are to be avoided, for example, by delaying a cleaner cut until a time when the thread is being changed by the thread guide drum in the direction of the center of the coil.
  • Textile machine producing cross-wound bobbins in which a defined thread guiding device is arranged in the area of the thread guide drum.
  • This known yarn guide device has two pivotally mounted, pneumatically actuated yarn guide arms, which, for example, with decreasing yarn tension, are pivotable in the direction of the coil center.
  • the inwardly pivoting yarn guide arms are intended to guide the upper thread connected to the cross-wound bobbin to the middle of the bobbin, thereby avoiding the occurrence of drop threads.
  • the known device is relatively expensive in their structural design, that is, the device takes up a lot of space.
  • the present invention seeks to develop a method and a device that makes the operation of the jobs of a cheese-making textile machine safer and with the / in particular the emergence of falling threads are avoided in a simple manner can.
  • the inventive method described in claim 1 for operating a job of a cross-wound textile machine has the particular advantage that with such a method in a simple manner and without the area of the winding device is inaccessible by additional facilities, it can be avoided that it occurs From winding interruptions to the emergence of falling threads comes. That is, by the immediate retraction of the thread guide in a predetermined, advantageous position ensures that even with a thread break falling threads whose removal would make a manual intervention of the operator necessary, do not occur.
  • Thread breakage as well as initiation of a controlled
  • Thread guide in the coil center ensures that the
  • the apparatus for performing the method according to the invention essentially comprises a finger thread guide, which is acted upon by an electromagnetic drive, an angle sensor for detecting the respective position of the thread guide finger, a thread cleaner for detecting a winding interruption and a control computer, for example a winding station computer.
  • Both the electromagnetic drive of the finger thread guide and the angle sensor and the thread cleaner are connected via control or signal lines to the control computer.
  • Fig. 1 schematically shows a winding unit of a textile machine producing cross-wound bobbins, with a cross-wound bobbin driven on its circumference by a single motor, and a separate thread guide driven by a single motor,
  • FIG. 1 schematically shows in side view a winding unit 2 of a textile machine 1 producing cross-wound bobbins, in the present case a so-called cross-winding automatic machine.
  • Such cross-winding machines 1, as known, between their (not shown) Endgestellen each have a plurality of such winding units 2.
  • the spin creels 3 produced on an upstream ring spinning machine are rewound into large-volume cheeses 5, which after their completion by means of a (not shown) service unit, such as a cheese winder, on a machine-length cheese package transport 7th passed and transported to a machine end side arranged Spulenverladestation or the like.
  • a service unit such as a cheese winder
  • Such automatic packages 1 often also have a
  • the individual winding units 2 have, as known and therefore only indicated, each with different facilities, the ensure proper operation of such jobs.
  • One of these devices is, for example, the winding device identified by the reference numeral 4, which has a coil frame 8 movably mounted about a pivot axis 12.
  • the cheese 5 is located during the winding process with its surface 31 on a drive roller 9 and is carried along by this frictional engagement.
  • the drive of the cross-wound bobbin can also take place via a variable-speed drive device, preferably an electronically commutatable direct-current motor, which is arranged directly on the coil frame 8 or integrated in the coil frame 8.
  • a variable-speed drive device preferably an electronically commutatable direct-current motor, which is arranged directly on the coil frame 8 or integrated in the coil frame 8.
  • thread laying device 10 The traversing of the thread 16 during the winding process is carried out by a thread laying device 10.
  • a thread laying device 10 Such in the figure 1 only schematically indicated thread laying device 10 has a finger-like yarn guide 13, which, acted upon by an electromechanical drive 14, as indicated in Figure 2, the thread 16 traversed between the two end faces 32 of the cheese 5.
  • the drive 14 has a motor shaft 33 on which the finger-like yarn guide 13 is arranged in a rotationally fixed manner.
  • an angle sensor 17 mounted, the structure of which is explained in detail in DE 103 54 587 Al.
  • the winding unit 2 further has a thread cleaner 22 which is connected via a signal line 29 to the winding station computer 28 and a arranged in the region of the thread cleaner 22 thread cutting device 23 which is controlled via a line 30 from the winding station 28.
  • a yarn tensile force sensor 20 is also provided, which is connected via a signal line 21 to the winding station computer 28.
  • a yarn 16 is unwound and wound onto a large-volume cross-wound bobbin 5, which is rotatable between the rolls during the winding process, by a spinning head 3 positioned on a transport plate 11 in an unwinding position in the region of the transverse transport path 6 Bearing arms of a coil frame 8 is held.
  • the cross-wound bobbin 5 lies with its surface 31 on a drive roller 9.
  • the drive roller 9 is defined by an electromagnetic drive 34 which is connected via a control line 19 to the winding station computer 28, driven and takes the cheese with frictional.
  • the thread 16 traverses at least one thread cleaner 22 and a thread cutting device 23 on its way to the cheese 5.
  • the running thread 16 which is monitored by the thread cleaner 22 for thread error, generated in the thread cleaner 22, inter alia, a dynamic yarn running signal, which is transmitted via the signal line 29 to the winding station computer 28.
  • this dynamic yarn running signal controls the winding station computer 28, which is always informed about the instantaneous position of the thread guide finger via the connected angle sensor 17, via the control line 15 the drive 14 of the finger thread guide 13 so that the finger thread guide 13 as quickly as possible in the position M, which is located in the middle of the cheese, is transferred. That is, the finger thread guide 13 is already in the position M when the upper thread runs onto the cheese 5.
  • the rapid positioning of the yarn guide finger can ensure that even after a yarn break the thread end of the upper thread connected to the cheese 5 is always in a range in which it can be reached through the yarn suction nozzle 35 of the winding unit 2.
  • the yarn suction nozzle 35 can therefore easily pick up the upper thread from the surface 31 of the cheese 5 and transfer it to a yarn splicing device 36 where the yarn end of the upper thread is connected to the yarn end of a lower thread brought by a spool-own gripper tube 37.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Winding Filamentary Materials (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)

Abstract

The invention relates to a method and device for operating a work station (2) of a textile machine (1) that produces cross-wound bobbins, comprising: a creel (8) for rotationally holding a cross-wound bobbin (5); a thread laying device (10) for cross-winding a thread (16) being wound onto the cross-wound bobbin (5), and; a device which, in the event of an interruption in winding, prevents the thread end joined to the cross-wound bobbin to come next to the surface of the cross-wound bobbin. The invention provides that the drive (14) of the thread lying device is controlled by a winding head computer (28) in such a manner that the thread guide (13) of the thread laying device (10), in the event of an interruption in winding, is immediately moved into a position in which it is ensured that the thread end joined to the cross-wound bobbin (5) reliably winds onto the surface of the cross-wound bobbin (5).

Description

Beschreibung:Description:
Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden TextilmaschineMethod and device for operating a workstation of a textile machine producing cross-wound bobbins
Die Erfindung betrifft ein Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine gemäß dem Oberbegriff des Anspruches 1 sowie eine Vorrichtung gemäß Anspruch 5.The invention relates to a method for operating a workstation of a cross-wound textile machine according to the preamble of claim 1 and an apparatus according to claim 5.
Bei der Herstellung einer Textilspule müssen bekanntlich wenigstens zwei Bedingungen erfüllt werden, zum Einen muss die betreffende Textilspule rotiert und zum Anderen muss der auf die Spule auflaufenden Faden längs der Spulenachse traversiert werden.In the production of a textile bobbin, it is known that at least two conditions have to be fulfilled, on the one hand the textile bobbin in question must be rotated and, on the other hand, the thread running onto the bobbin must be traversed along the bobbin axis.
Durch relativ schnelles Traversieren des Fadens kann dabei eine sogenannte Kreuzspule erstellt werden, die sich nicht nur durch einen verhältnismäßig stabilen Spulenkörper, sondern auch durch ein gutes Ablaufverhalten auszeichnet.By relatively fast traversing of the thread while a so-called cross-wound can be created, which is characterized not only by a relatively stable bobbin, but also by a good flow behavior.
Bei modernen, Kreuzspulen herstellenden Textilmaschinen, beispielsweise Kreuzspulautomaten, die mit hohen Wickelgeschwindigkeiten arbeiten, ist daher auch die Traversiergeschwindigkeit der Fadenverlegeeinrichtungen sehr hoch.In modern, cross-wound producing textile machines, such as automatic winder, which operate at high winding speeds, therefore, the traversing speed of the thread-laying devices is very high.
Von Kreuzspulautomaten sind zur Erzeugung derFrom cheese winder are used to produce the
Changierbewegungen des auflaufenden Fadens verschiedeneTraversing movements of the running thread different
Fadenverlegesysteme bekannt.Thread laying systems known.
Sehr verbreitet sind beispielsweise sogenannteVery common are, for example, so-called
Fadenführungstrommeln, die in der Regel auch denThread guide drums, which usually also the
Umfangsantrieb für die Kreuzspule bewirken.Circumferential drive for the cheese cause.
Derartige Fadenführungstrommeln weisen jedoch den Nachteil auf, dass, unabhängig vom Spulendurchmesser, stets ein gleicher Verlegungswinkel gegeben ist, was zur Folge hat, dass es bei bestimmten Drehzahlverhältnissen zwischen Spule und Antriebstrommel, wenn keine besonderen Maßnahmen ergriffen werden, zu sogenannten Wicklungsbildern kommt, die beim späteren Abspulen zu erheblichen Problemen führen. Außerdem besteht bei solchen Fadenführungstrommeln im Falle einer Spulunterbrechung, insbesondere bei einem Fadenbruch oder einem kontrollierten Reinigerschnitt, stets die Gefahr, dass das mit der Kreuzspule verbundene Fadenende, der sogenannte Oberfaden, nicht auf die Oberfläche der Kreuzspule aufläuft, sondern neben die Fadenführungstrommel fällt. Solche nach einem Fadenbruch neben die Fadenführungstrommel positionierten Fäden werden oft als Fallfaden bezeichnet. Da solche Fallfäden durch die Fadensaugdüse der Spulstelle nicht mehr handhabbar sind und deshalb einen manuellen Eingriff des Bedienpersonals erfordern, sollten derartige Fallfäden möglichst vermieden werden.However, such thread guide drums have the disadvantage that, regardless of the bobbin diameter, always given an identical installation angle, which has the consequence that at certain speed ratios between the coil and the drive drum, if no special measures are taken, so-called winding images comes, which lead to significant problems during subsequent unwinding. In addition, in such a thread guide drums in the case of Spulunterbrechung, especially in a thread break or a controlled cleaner cut, always the risk that the thread end connected to the cheese, the so-called upper thread, does not run onto the surface of the cheese, but next to the thread guide drum falls. Such after a thread break next to the thread guide drum positioned threads are often referred to as falling thread. Since such fall threads are no longer manageable by the thread suction nozzle of the winding station and therefore require manual intervention of the operating personnel, such drop threads should be avoided as far as possible.
Um ein vorgegebenes Wicklungsbild, zum Beispiel eine Präzisions- oder Stufenpräzisionswicklung, erzeugen zu können, ist es außerdem seit langem bekannt, die Rotation der Kreuzspule und die Fadenverlegeeinrichtung antriebstechnisch zu trennen.In order to be able to produce a predetermined winding pattern, for example a precision or step precision winding, it has also been known for a long time to drive-separate the rotation of the cross-wound bobbin and the yarn laying device.
Bei diesen bekannten Einrichtungen liegt die in einem Spulenrahmen gehalterte Kreuzspule beispielsweise auf einer Antriebswalze auf, die durch einen zugehörigen Antrieb definiert beaufschlagbar ist und die während des Spulprozesses die Kreuzspule über Reibschluss mitnimmt.In these known devices held in a creel cheeses, for example, on a drive roller, which can be acted upon defined by an associated drive and entrains the cheese during frictional engagement during the winding process.
Die zugehörige Fadenverlegeeinrichtung weist dabei ebenfalls einen eigenen Antrieb auf.The associated yarn laying device also has its own drive.
In der DE 198 58 548 Al ist beispielsweise eine Fadenverlegeeinrichtung beschrieben, deren Fingerfadenführer durch einen elektromagnetischen Antrieb beaufschlagt wird.In DE 198 58 548 Al, for example, a yarn laying device is described, the Finger thread guide is acted upon by an electromagnetic drive.
Die Größe und Richtung des Antriebsmomentes des Fadenführerantriebes wird dabei durch Steuern beziehungsweise Regeln des zugeführten Stromes in jeder Phase der Bewegung eingestellt.The size and direction of the drive torque of the thread guide drive is adjusted by controlling or regulating the supplied current in each phase of the movement.
Dies erfolgt durch einen Steuerrechner, vorzugsweise den Spulstellenrechner, der Stromstärke und Stromrichtung nach einem vorgebbaren Programm winkel- und zeitabhängig steuert. Auf diese Weise können beispielsweise der jeweils gewünschte Verlegewinkel des Fadens, die Traversierbreite bzw. die Traversierendpunkte eingestellt werden. Durch eine entsprechende Sensorik, vorzugsweise einen Winkelsensor, wird dabei die jeweilige Winkelstellung des Fadenführerfingers erfasst, die Einhaltung des Soll-Wertes überprüft und erforderlichenfalls der Ist-Wert dem Soll-Wert durch Regeln angepasst.This is done by a control computer, preferably the winding station computer, the current intensity and current direction according to a predetermined program angle and time-dependent controls. In this way, for example, the respectively desired laying angle of the thread, the traversing width or the traversing points can be set. By a corresponding sensor, preferably an angle sensor, while the respective angular position of the yarn guide finger is detected, verifies compliance with the target value and, if necessary, the actual value is adjusted to the desired value by rules.
Derartige Fingerfadenführer haben sich als äußerst flexible Fadenverlegeeinrichtungen erwiesen, weisen jedoch, wie Fadenführungstrommeln, den Nachteil auf, dass im Falle einer Spulunterbrechung, insbesondere bei einem Fadenbruch, aber auch bei einem kontrollierten Reinigerschnitt, stets die Gefahr besteht, dass der mit der Kreuzspule verbundene Oberfaden nicht ordnungsgemäß auf die Kreuzspule aufläuft. Das heißt, bei den bekannten Fadenverlegesystemen besteht stets die Gefahr, dass das freie Fadenende neben die Stirnseiten der Kreuzspule fällt und dann von der Fadensaugdüse der Spulstelle nicht mehr oder nicht mehr ordnungsgemäß aufgenommen werden kann. Es sind in der Vergangenheit deshalb bereits Vorrichtungen entwickelt worden, bei denen Fallfäden beispielsweise dadurch vermieden werden sollen, dass ein Reinigerschnitt verzögert erst zu einem Zeitpunkt ausgeführt wird, wenn der Faden durch die Fadenführungstrommel in Richtung der Spulenmitte changiert wird.Such finger thread guides have proven to be extremely flexible thread laying devices, but have, as thread guide drums, the disadvantage that in the case of a winding interruption, especially in a thread break, but also in a controlled cleaner cut, there is always the danger that the upper thread connected to the cheese does not run properly on the cheese. That is, in the known thread-laying systems there is always the risk that the free end of the thread falls next to the end faces of the cheese and then no longer or no longer can be properly absorbed by the Fadensaugdüse the winding unit. Therefore, in the past, devices have already been developed in which drop threads are to be avoided, for example, by delaying a cleaner cut until a time when the thread is being changed by the thread guide drum in the direction of the center of the coil.
Solche in der DE 40 25 696 Al oder der EP 0 631 962 Bl beschriebenen Vorrichtungen sind allerdings bei Fadenbrüchen, die bekanntlich völlig unkontrolliert auftreten, in der Regel wirkungslos.However, such devices described in DE 40 25 696 A1 or EP 0 631 962 B1 are as a rule ineffective in thread breakages which, as is known, occur completely uncontrollably.
Das heißt, bei diesen bekannten Vorrichtungen besteht im Falle eines Fadenbruches nach wie vor die Gefahr, dass es zuThat is, in these known devices in the event of a yarn breakage is still the danger that it is too
Fallfäden kommt, die durch die Fadensaugdüse nicht handhabbar sind.Fall threads comes, which are not handled by the thread suction nozzle.
Des Weiteren ist in der EP 0 814 045 A2 eine Spulstelle einerFurthermore, in EP 0 814 045 A2 a winding unit of a
Kreuzspulen herstellenden Textilmaschine beschrieben, bei der im Bereich der Fadenführungstrommel eine definiert ansteuerbare Fadenführungseinrichtung angeordnet ist.Textile machine producing cross-wound bobbins, in which a defined thread guiding device is arranged in the area of the thread guide drum.
Diese bekannte Fadenführungseinrichtung weist zwei schwenkbar gelagerte, pneumatisch betätigbare Fadenführungsarme auf, die, beispielsweise bei nachlassender Fadenspannung, in Richtung der Spulenmitte verschwenkbar sind.This known yarn guide device has two pivotally mounted, pneumatically actuated yarn guide arms, which, for example, with decreasing yarn tension, are pivotable in the direction of the coil center.
Die nach innen schwenkenden Fadenführungsarme sollen dabei den mit der Kreuzspule verbundenen Oberfaden zur Spulenmitte führen und dadurch vermeiden, dass Fallfäden entstehen.The inwardly pivoting yarn guide arms are intended to guide the upper thread connected to the cross-wound bobbin to the middle of the bobbin, thereby avoiding the occurrence of drop threads.
Die bekannte Einrichtung ist allerdings in ihrem konstruktiven Aufbau verhältnismäßig aufwendig, das heißt, die Einrichtung beansprucht relativ viel Platz.However, the known device is relatively expensive in their structural design, that is, the device takes up a lot of space.
Angesichts der ohnehin eingeschränkten Platzverhältnisse im Bereich der Spulvorrichtungen derartiger Spulstellen stellt die bekannte Einrichtung daher keine optimale Lösung zur Bewältigung des Problems "Fallfäden" dar.In view of the already limited space available in the field of winding devices such winding units the known device is therefore not an optimal solution for dealing with the problem of "drop threads".
Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Verfahren bzw. eine Vorrichtung zu entwickeln, das/die den Betrieb der Arbeitsstellen einer Kreuzspulen herstellenden Textilmaschine sicherer macht und mit dem/der insbesondere die Entstehung von Fallfäden auf einfache Weise vermieden werden kann.Based on the aforementioned prior art, the present invention seeks to develop a method and a device that makes the operation of the jobs of a cheese-making textile machine safer and with the / in particular the emergence of falling threads are avoided in a simple manner can.
Diese Aufgabe wird erfindungsgemäß durch ein Verfahren gelöst, wie es im Anspruch 1 beschrieben ist bzw. durch eine Vorrichtung gemäß Anspruch 5.This object is achieved by a method as described in claim 1 or by a device according to claim 5.
Vorteilhafte Ausführungsformen der erfindungsgemäßen Vorrichtung sind in den Unteransprüchen 1 bis 4 beschrieben.Advantageous embodiments of the device according to the invention are described in the subclaims 1 to 4.
Das im Anspruch 1 beschriebene, erfindungsgemäße Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine hat insbesondere den Vorteil, dass mit einem solchen Verfahren auf einfache Weise und ohne dass der Bereich der Spulvorrichtung durch zusätzliche Einrichtungen unzugängig wird, vermieden werden kann, dass es beim Auftreten von Spulunterbrechungen zur Entstehung von Fallfäden kommt. Das heißt, durch das sofortige Einfahren des Fadenführers in eine vorgegebene, vorteilhafte Position wird gewährleistet, dass auch bei einem Fadenbruch Fallfäden, deren Beseitigung einen manuellen Eingriff des Bedienpersonals notwendig machen würden, nicht auftreten.The inventive method described in claim 1 for operating a job of a cross-wound textile machine has the particular advantage that with such a method in a simple manner and without the area of the winding device is inaccessible by additional facilities, it can be avoided that it occurs From winding interruptions to the emergence of falling threads comes. That is, by the immediate retraction of the thread guide in a predetermined, advantageous position ensures that even with a thread break falling threads whose removal would make a manual intervention of the operator necessary, do not occur.
Wie in den Ansprüchen 2 und 3 beschrieben, haben sich dabei Verfahrensschritte als vorteilhaft erwiesen, bei denen der Fadenführer sowohl beim Auftreten eines überraschendenAs described in claims 2 and 3, process steps have proven to be advantageous in which the Thread guides both when a surprising
Fadenbruches, als auch bei Einleitung eines kontrolliertenThread breakage, as well as initiation of a controlled
Reinigerschnittes sofort in eine Position mittig zurCleaner cut immediately in a position centered on the
Kreuzspule gefahren wird.Cheese is driven.
Das heißt, bei einer Spulunterbrechung wird der Changierhub des Fadenführers entweder in der Spulenmitte sofort gestoppt oder die Richtung des Changierhubes wird sofort inThat is, at a Spulunterbrechung the traverse stroke of the yarn guide is either stopped immediately in the middle of the coil or the direction of the traverse stroke is immediately in
Richtung auf die Spulenmitte geändert und der Fadenführer dann dort gestoppt.Direction to the coil center changed and the yarn guide then stopped there.
Durch diese sofortige, äußerst schnelle Positionierung desDue to this immediate, extremely fast positioning of the
Fadenführers in der Spulenmitte wird sichergestellt, dass derThread guide in the coil center ensures that the
Oberfaden nach einer Spulunterbrechung stets zuverlässig auf die Oberfläche der Kreuzspule aufläuft und anschließend durch die Fadensaugdüse wieder problemlos aufgenommen werden kann.Upper thread after a Spulunterbrechung always runs reliably on the surface of the cheese and then can be easily absorbed by the Fadensaugdüse again.
In einem alternativen, im Anspruch 4 beschriebenen Verfahrensschritt ist vorgesehen, dass beim Auftreten eines Fadenfehlers das Einleiten eines kontrollierten Reinerschnittes solange verzögert wird, bis sichergestellt ist, dass der Fingerfadenführer in seiner vorgegebenen Position, das heißt, in der Spulenmitte steht. In einem solchen Fall wird, wenn der Fadenreiniger einen Fadenfehler, beispielsweise eine Dünn- oder Dickstelle detektiert, der Fadenführer .durch seinen Antrieb zunächst ordnungsgemäß positioniert und erst dann der notwendige Reinigerschnitt ausgelöst.In an alternative method step described in claim 4, it is provided that upon the occurrence of a thread error, the introduction of a controlled pure cut is delayed until it is ensured that the finger thread guide is in its predetermined position, that is, in the center of the coil. In such a case, if the thread cleaner detected a thread error, such as a thin or thick spot, the thread guide. Initially properly positioned by his drive and only then triggered the necessary cleaner cut.
Wie im Anspruch 5 dargelegt, umfasst die Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens im Wesentlichen einen Fingerfadenführer, der durch einen elektromagnetischen Antrieb beaufschlagt wird, einen Winkelsensor zur Erfassung der jeweiligen Stellung des Fadenführerfingers, einen Fadenreiniger zur Detektierung einer Spulunterbrechung sowie einen Steuerungsrechner, beispielsweise einen Spulstellenrechner.As set forth in claim 5, the apparatus for performing the method according to the invention essentially comprises a finger thread guide, which is acted upon by an electromagnetic drive, an angle sensor for detecting the respective position of the thread guide finger, a thread cleaner for detecting a winding interruption and a control computer, for example a winding station computer.
Sowohl der elektromagnetische Antrieb des Fingerfadenführers als auch der Winkelsensor und der Fadenreiniger sind dabei über Steuer- bzw. Signalleitungen an den Steuerungsrechner angeschlossen.Both the electromagnetic drive of the finger thread guide and the angle sensor and the thread cleaner are connected via control or signal lines to the control computer.
Da die vorbeschriebenen Komponenten für einen ordnungsgemäßen Betrieb der Spulstelle notwendige und damit ohnehin vorhandene Bauteile darstellen, reduziert sich der zusätzliche Aufwand, der erforderlich ist, um das erfindungsgemäße Verfahren durchführen zu können, im Wesentlichen auf eine geringfügige hardwaremäßige Ergänzung des Steuerungsrechners sowie dessen entsprechende Programmierung.Since the above-described components for a proper operation of the winding unit necessary and thus already present components represent the additional effort required to perform the inventive method can be reduced essentially to a small hardware supplement of the control computer and its programming.
Das heißt, der zur Durchführung des erfindungsgemäßen Verfahrens notwendige Aufwand hält sich sowohl hardware- als auch softwaremäßig in engen Grenzen.This means that the effort required to carry out the method according to the invention is kept within narrow limits both in terms of hardware and software.
Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispieles näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in the drawings.
Es zeigt:It shows:
Fig . 1 schematisch eine Spulstelle einer Kreuzspulen herstellenden Textilmaschine, mit einer an ihrem Umfang einzelmotorisch angetriebenen Kreuzspule sowie einem separaten, einzelmotorisch angetriebenen Fadenführer,Fig. 1 schematically shows a winding unit of a textile machine producing cross-wound bobbins, with a cross-wound bobbin driven on its circumference by a single motor, and a separate thread guide driven by a single motor,
Fig . 2 in Vorderansicht eine Spulstelle einer Kreuzspulen herstellenden Textilmaschine mit den zur Durchführung des erfindungsgemäßen Verfahrens notwendigen Einrichtungen . In Figur 1 ist in Seitenansicht schematisch eine Spulstelle 2 einer Kreuzspulen herstellenden Textilmaschine 1, im vorliegenden Fall eines sogenannten Kreuzspulautomaten, dargestellt.Fig. 2 in front view of a winding unit of a cross-wound producing textile machine with the necessary equipment for carrying out the method according to the invention. FIG. 1 schematically shows in side view a winding unit 2 of a textile machine 1 producing cross-wound bobbins, in the present case a so-called cross-winding automatic machine.
Solche Kreuzspulautomaten 1 weisen, wie bekannt, zwischen ihren (nicht dargestellten) Endgestellen jeweils eine Vielzahl derartiger Spulstellen 2 auf.Such cross-winding machines 1, as known, between their (not shown) Endgestellen each have a plurality of such winding units 2.
Auf diesen Spulstellen 2 werden, wie ebenfalls bekannt und daher nicht näher erläutert, die auf einer vorgeschalteten Ringspinnmaschine produzierten Spinnkopse 3 zu großvolumigen Kreuzspulen 5 umgespult, die nach ihrer Fertigstellung mittels eines (nicht dargestellten) Serviceaggregates, beispielsweise eines Kreuzspulenwechslers, auf eine maschinenlange Kreuzspulentransporteinrichtung 7 übergeben und zu einer maschinenendseitig angeordneten Spulenverladestation oder dergleichen transportiert werden.On these winding units 2, as also known and therefore not explained in more detail, the spin creels 3 produced on an upstream ring spinning machine are rewound into large-volume cheeses 5, which after their completion by means of a (not shown) service unit, such as a cheese winder, on a machine-length cheese package transport 7th passed and transported to a machine end side arranged Spulenverladestation or the like.
Solche Kreuzspulautomaten 1 weisen oft außerdem eineSuch automatic packages 1 often also have a
Logistikeinrichtung in Form eines Spulen- undLogistics facility in the form of a coil and
Hülsentransportsystemes 6 auf.Sleeve transport system 6 on.
In diesem Spulen- und Hülsentransportsystem 6 laufen, aufRun in this coil and sleeve transport system 6, on
Transporttellern 11, die Spinnkopse 3 beziehungsweiseTransport plates 11, the spinning cops 3 and
Leerhülsen um.Empty tubes around.
Von dem Spulen- und Hülsentransportsystem 6 sind in Figur 1 lediglich die Kopszuführstrecke 24, die reversierend antreibbare Speicherstrecke 25, eine der zu den Spulstellen 2 führenden Quertransportstrecken 26 sowie dieOf the bobbin and sleeve transport system 6 are in Figure 1, only the Kopszuführstrecke 24, the reversibly driven storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the
Hülsenrückführstrecke 27 dargestellt.Sleeve return path 27 shown.
Die einzelnen Spulstellen 2 verfügen, wie bekannt und daher nur angedeutet, jeweils über verschiedene Einrichtungen, die einen ordnungsgemäßen Betrieb derartiger Arbeitsstellen gewährleisten.The individual winding units 2 have, as known and therefore only indicated, each with different facilities, the ensure proper operation of such jobs.
Eine dieser Einrichtungen ist beispielsweise die mit der Bezugszahl 4 gekennzeichnete Spulvorrichtung, die einen um eine Schwenkachse 12 beweglich gelagerten Spulenrahmen 8 aufweist.One of these devices is, for example, the winding device identified by the reference numeral 4, which has a coil frame 8 movably mounted about a pivot axis 12.
Im vorliegenden Fall liegt die Kreuzspule 5 während des Spulprozesses mit ihrer Oberfläche 31 auf einer Antriebswalze 9 auf und wird von dieser über Reibschluss mitgenommen.In the present case, the cheese 5 is located during the winding process with its surface 31 on a drive roller 9 and is carried along by this frictional engagement.
In alternativer Ausführungsform kann der Antrieb der Kreuzspule aber auch über eine drehzahlregelbare Antriebseinrichtung, vorzugsweise einen elektronisch kommutierbaren Gleichstrommotor, erfolgen, die direkt am Spulenrahmen 8 angeordnet beziehungsweise in den Spulenrahmen 8 integriert ist.In an alternative embodiment, the drive of the cross-wound bobbin can also take place via a variable-speed drive device, preferably an electronically commutatable direct-current motor, which is arranged directly on the coil frame 8 or integrated in the coil frame 8.
Die Changierung des Fadens 16 während des Spulprozesses erfolgt durch eine Fadenverlegeeinrichtung 10. Eine solche in der Figur 1 nur schematisch angedeutete Fadenverlegeeinrichtung 10 verfügt über einen fingerartig ausgebildeten Fadenführer 13, der, durch einen elektromechanischen Antrieb 14 beaufschlagt, wie in Figur 2 angedeutet, den Faden 16 zwischen den beiden Stirnseiten 32 der Kreuzspule 5 traversiert.The traversing of the thread 16 during the winding process is carried out by a thread laying device 10. Such in the figure 1 only schematically indicated thread laying device 10 has a finger-like yarn guide 13, which, acted upon by an electromechanical drive 14, as indicated in Figure 2, the thread 16 traversed between the two end faces 32 of the cheese 5.
Wie aus Figur 2 weiter ersichtlich, weist der Antrieb 14 eine Motorwelle 33 auf, auf der der fingerartig ausgebildete Fadenführer 13 drehfest angeordnet ist.As can also be seen from FIG. 2, the drive 14 has a motor shaft 33 on which the finger-like yarn guide 13 is arranged in a rotationally fixed manner.
Auf der dem Fadenführer 13 gegenüberliegenden Seite des Antriebes 14 ist, vorzugsweise geschützt unter einer abnehmbaren Abdeckkappe, ein Winkelsensor 17 montiert, dessen Aufbau in der DE 103 54 587 Al ausführlich erläutert ist.On the side opposite the thread guide 13 side of the drive 14 is preferably protected under a removable cap, an angle sensor 17 mounted, the structure of which is explained in detail in DE 103 54 587 Al.
Die Spulstelle 2 verfügt des Weiteren über einen Fadenreiniger 22, der über eine Signalleitung 29 an den Spulstellenrechner 28 angeschlossen ist sowie über eine im Bereich des Fadenreinigers 22 angeordnete Fadenschneideinrichtung 23, die über eine Leitung 30 vom Spulstellenrechner 28 ansteuerbar ist.The winding unit 2 further has a thread cleaner 22 which is connected via a signal line 29 to the winding station computer 28 and a arranged in the region of the thread cleaner 22 thread cutting device 23 which is controlled via a line 30 from the winding station 28.
In vorteilhafter Ausführungsform ist außerdem ein Fadenzugkraftsensor 20 vorgesehen, der über eine Signalleitung 21 mit dem Spulstellenrechner 28 verbunden ist.In an advantageous embodiment, a yarn tensile force sensor 20 is also provided, which is connected via a signal line 21 to the winding station computer 28.
Ablauf des erfindungsgemäßen Verfahrens:Procedure of the method according to the invention:
Wie in Fig. 2 angedeutet, wird während des regulären Spulbetriebes von einem auf einem Transportteller 11 angeordneten, in einer Abspulstellung im Bereich der Quertransportstrecke 6 positionierten Spinnkops 3 ein Faden 16 abgewickelt und auf eine großvolumige Kreuzspule 5 aufgewickelt, die während des Spulprozesses drehbar zwischen den Lagerarmen eines Spulenrahmens 8 gehalten ist. Die Kreuzspule 5 liegt dabei mit ihrer Oberfläche 31 auf einer Antriebswalze 9 auf.As indicated in FIG. 2, a yarn 16 is unwound and wound onto a large-volume cross-wound bobbin 5, which is rotatable between the rolls during the winding process, by a spinning head 3 positioned on a transport plate 11 in an unwinding position in the region of the transverse transport path 6 Bearing arms of a coil frame 8 is held. The cross-wound bobbin 5 lies with its surface 31 on a drive roller 9.
Die Antriebswalze 9 ist durch einen elektromagnetischen Antrieb 34, der über eine Steuerleitung 19 mit dem Spulstellenrechner 28 verbunden ist, definiert antreibbar und nimmt die Kreuzspule reibschlüssig mit.The drive roller 9 is defined by an electromagnetic drive 34 which is connected via a control line 19 to the winding station computer 28, driven and takes the cheese with frictional.
Der Faden 16 durchquert auf seinem Weg zur Kreuzspule 5 wenigstens einen Fadenreiniger 22 sowie eine Fadenschneideinrichtung 23. Der laufende Faden 16, der durch den Fadenreiniger 22 auf Fadenfehler hin überwacht wird, erzeugt im Fadenreiniger 22 unter anderem ein dynamisches Fadenlaufsignal, das über die Signalleitung 29 auf den Spulstellenrechner 28 übertragen wird.The thread 16 traverses at least one thread cleaner 22 and a thread cutting device 23 on its way to the cheese 5. The running thread 16, which is monitored by the thread cleaner 22 for thread error, generated in the thread cleaner 22, inter alia, a dynamic yarn running signal, which is transmitted via the signal line 29 to the winding station computer 28.
Bleibt dieses dynamische Fadenlaufsignal, beispielsweise aufgrund eines Fadenbruches aus, steuert der Spulstellenrechner 28, der über den angeschlossenen Winkelsensor 17 stets über die augenblickliche Position des Fadenführerfingers unterrichtet ist, über die Steuerleitung 15 den Antrieb 14 des Fingerfadenführers 13 derart an, das der Fingerfadenführer 13 schnellstmöglich in die Position M, die sich in der Mitte der Kreuzspule befindet, überführt wird. Das heißt, der Fingerfadenführer 13 befindet sich bereits in der Position M, wenn der Oberfaden auf die Kreuzspule 5 aufläuft.If this dynamic yarn running signal, for example due to a yarn breakage, controls the winding station computer 28, which is always informed about the instantaneous position of the thread guide finger via the connected angle sensor 17, via the control line 15 the drive 14 of the finger thread guide 13 so that the finger thread guide 13 as quickly as possible in the position M, which is located in the middle of the cheese, is transferred. That is, the finger thread guide 13 is already in the position M when the upper thread runs onto the cheese 5.
Durch das schnelle Positionieren des Fadenführerfingers kann sichergestellt werden, dass auch nach einem Fadenbruch das mit der Kreuzspule 5 verbundene Fadenende des Oberfadens stets in einem Bereich liegt, in dem es durch die Fadensaugdüse 35 der Spulstelle 2 erreichbar ist.The rapid positioning of the yarn guide finger can ensure that even after a yarn break the thread end of the upper thread connected to the cheese 5 is always in a range in which it can be reached through the yarn suction nozzle 35 of the winding unit 2.
Die Fadensaugdüse 35 kann daher den Oberfaden problemlos von der Oberfläche 31 der Kreuzspule 5 aufnehmen und zu einer Fadenspleißvorrichtung 36 überführen, wo das Fadenende des Oberfadens mit dem Fadenende eines Unterfadens verbunden wird, den ein spulstelleneigenes Greiferrohr 37 herangeschafft hat.The yarn suction nozzle 35 can therefore easily pick up the upper thread from the surface 31 of the cheese 5 and transfer it to a yarn splicing device 36 where the yarn end of the upper thread is connected to the yarn end of a lower thread brought by a spool-own gripper tube 37.
Nach dem Spleißen der Fadenenden von Ober- bzw. Unterfaden wird der reguläre Spulprozess fortgesetzt. After splicing the thread ends of upper or lower thread, the regular winding process is continued.

Claims

Patentansprüche: claims:
1. Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine, mit einem Spulenrahmen zum drehbaren Haltern der Kreuzspule, einer Fadenverlegeeinrichtung zum Changieren eines auf die Kreuzspule auflaufenden Fadens sowie einer Einrichtung, die verhindert, dass das mit der Kreuzspule verbundene Fadenende bei einer Spulunterbrechung neben die Oberfläche der Kreuzspule gelangen kann,1. A method for operating a workstation of a cheese-producing textile machine, comprising a creel for rotatably supporting the cross-wound bobbin, a thread-laying device for traversing a running on the cross-wound yarn and a device which prevents the yarn end connected to the cheese at a Spulunterbrechung next to the Can reach the surface of the cheese,
dadurch gekennzeichnet,characterized,
dass der Antrieb der Fadenverlegeeinrichtung durch einen Spulstellenrechner derart angesteuert wird, dass der Fadenführer der Fadenverlegeeinrichtung im Falle einer Spulunterbrechung sofort in eine Position verlagert wird, in der sichergestellt ist, dass das mit der Kreuzspule verbundene Fadenende zuverlässig auf die Oberfläche der Kreuzspule aufläuft.the drive of the thread laying device is controlled by a winding station computer such that the thread guide of the thread laying device is immediately displaced in the event of a winding interruption to a position in which it is ensured that the thread end connected to the cross-wound bobbin reliably runs onto the surface of the cheese.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Fadenführer im Falle eines Fadenbruches sofort in eine Position mittig zur Kreuzspule verlagert wird.2. The method according to claim 1, characterized in that the yarn guide is displaced immediately in the event of a yarn breakage in a central position to the cheese.
3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Fadenführer bei Einleitung eines kontrollierten Reinigerschnittes sofort in eine Position mittig zur Kreuzspule verlagert wird. 3. The method according to claim 1, characterized in that the thread guide is immediately shifted to initiate a controlled cleaner cut in a position centered on the cheese.
4. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass nach dem Detektieren eines Fadenfehlers die Einleitung eines kontrollierten Reinigerschnittes solange verzögert wird, bis der Fadenführer in einer Stellung positioniert ist, die sicherstellt, dass das mit der Kreuzspule verbundene Fadenende zuverlässig auf die Oberfläche der Kreuzspule aufläuft.4. The method according to claim 1, characterized in that after the detection of a yarn defect, the initiation of a controlled cleaner cut is delayed until the yarn guide is positioned in a position which ensures that the yarn end connected to the cheese reliably on the surface of the cheese runs.
5. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, dass die Fadenverlegeeinrichtung einen Fingerfadenführer (13) mit einem elektromagnetischen Antrieb (14), einen Winkelsensor (17 ) zur Erfassung der jeweiligen Position des Fingerfadenführers (13) , eine Sensoreinrichtung (20, 22) zur Erfassung einer Spulunterbrechung sowie einen Steuerungsrechner (28) aufweist,5. A device for carrying out the method according to claim 1, characterized in that the thread laying device has a finger thread guide (13) with an electromagnetic drive (14), an angle sensor (17) for detecting the respective position of the finger thread guide (13), a sensor device (20 , 22) for detecting a winding interruption and a control computer (28),
■ dass der elektromagnetische Antrieb (14), der Winkelsensor (17) sowie die Sensoreinrichtung (20, 22) an den Steuerungsrechner (28) angeschlossen sind und dass im Falle einer Spulunterbrechung der Antrieb (14) des Fingerfadenführers (13) durch den Spulstellenrechner (28) so ansteuerbar ist, dass der Fingerfadenführer (13) in einer Stellung positioniert ist, die sicherstellt, dass das mit der Kreuzspule (5) verbundene Fadenende auf die Oberfläche (31) der Kreuzspule (5) aufläuft. ■ that the electromagnetic drive (14), the angle sensor (17) and the sensor device (20, 22) to the control computer (28) are connected and that in the case of Spulunterbrechung the drive (14) of the finger thread guide (13) by the Spulstellenrechner ( 28) is controllable such that the finger thread guide (13) is positioned in a position which ensures that the yarn end connected to the cross-wound bobbin (5) runs onto the surface (31) of the cross-wound bobbin (5).
PCT/EP2005/011114 2004-10-29 2005-10-15 Method and device for operating a work station of a textile machine that produces cross-wound bobbins WO2006048106A1 (en)

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EP05798165A EP1807335B2 (en) 2004-10-29 2005-10-15 Method and device for operating a work station of a textile machine that produces cross-wound bobbins
JP2007538296A JP5001849B2 (en) 2004-10-29 2005-10-15 Method and apparatus for operating a work site of a textile machine producing a twill package

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CH417427A (en) * 1963-07-03 1966-07-15 Reiners Walter Dr Ing Device for winding threads in winding machines, in particular cross-winding machines
DE4025696A1 (en) * 1990-08-14 1992-02-20 Schlafhorst & Co W Yarn cutter for cone winder - has sensor to ensure that yarn is cut only when near centre of traverse
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EP0631962A2 (en) * 1993-05-28 1995-01-04 SAVIO MACCHINE TESSILI S.r.l. Improved bobbin winding method and winding machines for its implementation
EP0814045A2 (en) * 1996-06-19 1997-12-29 Murata Kikai Kabushiki Kaisha Winding method and device
WO2000024663A1 (en) * 1998-10-28 2000-05-04 Maschinenfabrik Rieter Ag Yarn changing method
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EP1807335A1 (en) 2007-07-18
CN101061048A (en) 2007-10-24
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EP1807335B1 (en) 2008-06-18
JP2008517854A (en) 2008-05-29
JP5001849B2 (en) 2012-08-15
DE102004052564A1 (en) 2006-05-04
EP1807335B2 (en) 2010-12-29
CN101061048B (en) 2012-05-09

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