EP2388222A2 - Method for manufacturing spinning cops - Google Patents

Method for manufacturing spinning cops Download PDF

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Publication number
EP2388222A2
EP2388222A2 EP11002878A EP11002878A EP2388222A2 EP 2388222 A2 EP2388222 A2 EP 2388222A2 EP 11002878 A EP11002878 A EP 11002878A EP 11002878 A EP11002878 A EP 11002878A EP 2388222 A2 EP2388222 A2 EP 2388222A2
Authority
EP
European Patent Office
Prior art keywords
spinning
winding
cops
ring
winder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11002878A
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German (de)
French (fr)
Other versions
EP2388222A3 (en
EP2388222B1 (en
Inventor
Martin Kreusch
Hans-Jürgen KÜSTER
Thomas Weide
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
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Publication date
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Publication of EP2388222A2 publication Critical patent/EP2388222A2/en
Publication of EP2388222A3 publication Critical patent/EP2388222A3/en
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Publication of EP2388222B1 publication Critical patent/EP2388222B1/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
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H55/00—Wound packages of filamentary material
    • B65H55/04—Wound packages of filamentary material characterised by method of winding
    • 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
    • B65H63/006—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package quality control of the package
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/36—Package-shaping arrangements, e.g. building motions, e.g. control for the traversing stroke of ring rails; Stopping ring rails 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
    • 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 producing spinning cops according to the preamble of claim 1 and to a ring spinning machine for carrying out the method.
  • Ring spinning machines for producing spinning heads have long been known and described in detail in numerous patents.
  • Such textile machines each have a multiplicity of identical workstations on their longitudinal machine sides, which in turn each have different, stationary or vertically displaceably mounted working elements.
  • On each of the machine long sides for example, a gate for receiving supply bobbins, a drafting device for warping the provided by the supply bobbins original material and a stationary spindle bank for receiving rotatably mounted spinning spindles are provided.
  • a ring rail for receiving spinning rings and ring travelers, a bank for balloon constriction rings and a bank for thread guide available.
  • the vertically displaceably mounted usually designed as a machine-length benches components of the ring spinning machine are controlled by a corresponding drive mechanism 'according to a predetermined spinning program and ensure in conjunction with the rotatably mounted in the spindle spindle spindles that are made of the template material spinning cops.
  • the spin cops made on the workstations of such ring spinning machines, which contain relatively little yarn volume, are wound in a subsequent operation on the jobs of winding machines to large-volume cheeses.
  • the work stations of the winding machines are also equipped for this purpose with various bobbin handling or thread processing facilities.
  • the workstations of such winding machines have, for example, a winding device for the production of cheeses and a receiving device in which the spinning cop can be positioned to rewind functionally.
  • the workstations include, among other things, a yarn tension sensor, a yarn tensioner and an electronic yarn cleaner, all of which are connected to a bobbin control computer which also communicates with a central control unit of the winder via a machine bus or the like.
  • Fadenzugkraftsensoren as for example by the DE 41 29 803 A1 are known, in conjunction with thread tensioners ensure that the thread is wound during Umspulvorganges with a predetermined, constant as possible thread tension on the cheese.
  • Electronic yarn cleaners for example, in the EP 1 143 236 B1 ensure that during the winding process only perfect yarn is wound up on the cross-wound bobbin. That is, the withdrawn from the spinning cop thread runs on its way to a large volume cheese by the electronic
  • Yarn cleaner which continuously monitors the running thread for thread defects during the rewinding process and ensures that thread defects are immediately cleaned and replaced by almost yarn-like thread splices.
  • electronic yarn cleaners By means of such electronic yarn cleaners, however, not only yarn defects can be detected, but also the hairiness of a running yarn can be determined.
  • the winding speeds with which the work stations of winding machines work are limited to about 2000 m / min due to various physical conditions, in particular due to the thread tension forces occurring during the rewinding process.
  • the yarn tension starting from a relatively low value at the beginning of Kopsappel, increases sharply in the course of Kopsappel, wherein in the last third of the Kopsappel the yarn tensile forces if no effective countermeasures are taken, they increase to a multiple of the initial yarn tension, which greatly increases the risk of yarn breakage.
  • the thread tensioners are initially relatively strongly loaded for this purpose at the beginning of the cop travel of the spinning cop, and the contact pressure of the thread tensioners is successively reduced in the course of the cop trip according to the thread tension measured by the yarn tension sensors.
  • the thread tensioners are fully opened at a certain point of the cop trip and then no influence on the thread tension by the thread tensioner is given, methods have been developed to ensure that occurring during Umspulvorganges yarn tension even after the complete Opening the thread tensioner can be kept below a critical range.
  • Such a method or a device is for example in the CH-PS 669 177 described.
  • the present invention seeks to develop a method that makes it possible to produce on the jobs of ring spinning spinning frames, which are designed so that they have an optimal flow behavior during subsequent rewinding on the jobs of winding machines.
  • a ring spinning machine for carrying out the method according to the invention is the subject of claim 7.
  • the inventive method in which the position and size of the winding to be produced on the jobs of a ring spinning machine spinning cops is determined by the fact that when rewinding at least one Spinnkopses on a job of a winder evaluates the Abspul the spinning cop, the result of the Transmitted ring spinning machine and processed by the control of the ring spinning machine to optimize the position of the winding, in particular has the advantage that it is ensured in spinning cops made such that it is not a significant during the entire coil travel, even if constantly wound at high winding speed Increase in the thread tension comes.
  • spinning cops produced in this way can be continuously rewound on the work stations of the winding machines at a very high winding speed, without the risk of an increased occurrence of yarn breakages.
  • the yarn tension force sensor thereby establishes a constant increase in the yarn tension to be compensated by the yarn tensioner, whereby a limit value is exceeded for the end of the yarn despite a completely open yarn tensioner, which is evaluated by the control device of the winding machine as the beginning of a problem zone of the winding of the spinning cop ,
  • the yarn tension values determined during the rewinding process are processed such that the optimal position and size of the winding of the spinning cop is calculated by the control device, whereby the optimum position of the winding from yarn section to yarn section may vary and depends, for example, on the yarn material and / or yarn size.
  • the values determined by the controller of the winder are transmitted to the control device of the ring spinning machine and the spinning program of the ring spinning machine corrected so that the position of the windings of the newly produced spinning cops is optimized.
  • the yarn tension can, however, as a parameter for determining the optimum position of the winding of the newly produced on the work stations of ring spinning machines spinning cops, as described in claims 5 and 6, during the unwinding Considering the spinnopops adjusting hairiness of the yarn. Since the hairiness of the yarn when unwinding a Spinnkopses towards Kopsende towards clearly increases, can be detected by the control device of the winder as the beginning of a problem zone of the winding of the spinning cop in a relatively simple manner, the exceeding of a limit of Garnhaartechnik Formation can be avoided in subsequent to the ring spinning machine to be produced spinning cops by correcting the position of the winding of the spinning cops in their production on the ring spinning machine.
  • the data supplied via this interface, provided by the control device of the winder data are processed in the control device of the ring spinning machine and implemented to correct the spinning program. That is, the data introduced via the interface are used by the control device of the ring spinning machine for optimizing the position and size of the winding of newly produced spinning cops.
  • the ring spinning machine is directly connected to the winding machine via the interface.
  • control device of the ring spinning machine is connected directly to the control device of the winding machine, so that the values determined during the winding process are transmitted immediately to the control device of the ring spinning machine and directly from this during the production of the new spinning cops can be implemented so that they no longer have the identified during the unwinding problem zone.
  • FIG. 1 is schematically shown in side view, the job 2 a winder 1.
  • the spinning heads 3 produced on a ring spinning machine are rewound to large-volume cheeses 5 on the work stations 2 of such winding machines 1.
  • the cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a cheese changer, handed over to a machine-length cheese package conveyor 7 and transported to a machine end side Spulenverladestation or the like.
  • a (not shown) automatically operating service unit preferably a cheese changer
  • Such winding machines 1 generally also have a logistics device in the form of a bobbin and tube transport system 6, in which, on transport plates 11, the spinning cops 3 or empty tubes circulate.
  • the sleeve transport system 6 are in Fig.1 only the Kopszu scent zone 24, the reversibly driven Storage section 25, one of the leading to the jobs 2 transverse transport sections 26 and the sleeve return path 27 shown.
  • the individual jobs 2 also have various facilities that ensure the proper operation of these jobs 2.
  • One of these devices is, for example, the winding device 4, which, as usual, has a coil frame 8 movably mounted about a pivot axis 12, in which the cross-wound bobbin 5 is held rotatably.
  • the cross-wound bobbin 5 during the winding operation also with its surface on a driven by an electric motor support and pressure roller 9, which carries the cheese 5 via frictional engagement.
  • Fadenchangier constructive 10 For traversing the thread 16 during the winding process a Fadenchangier constructive 10 is provided.
  • the thread traversing device 10 has a finger thread guide 13, which, acted upon by an electromechanical drive 14, traverses the thread 16 between the end faces of the cross-wound bobbin 5.
  • the drive 14 of the thread-changing device 10 like the electric motor of the drive support and pressure roller 9, is connected via control lines to the workstation computer 28, which in turn is connected via a bus connection 29 to the central control unit 30 of the winding machine 1.
  • the central control unit 30 may also, as in Fig.1 indicated to be connected via a connection 60 to an interface 61 of a ring spinning machine 40.
  • the individual jobs 2 also have, as known and therefore only hinted at, various devices which are also connected via appropriate control lines to the workstation computer and ensure proper winding operation of the jobs 2.
  • Such jobs 2 have, for example, a splicing device 19, a thread tensioner 20, a yarn cleaner 21, a paraffining device 22, a thread cutting device 23, a yarn tension sensor 31 and a lower thread sensor 32.
  • work stations 2 are equipped with a suction nozzle 17 and a gripper tube 18.
  • Fig.2 are shown schematically in front view two jobs of a ring spinning machine 40.
  • the jobs are identified by reference numerals 41A and 41B.
  • ring spinning machines 40 have, on each of their longitudinal machine sides, a stationary spindle bank 42 in which spinning spindles 43 are arranged at a pitch t, which are driven in the exemplary embodiment by means of a tangential belt 44.
  • a vertically adjustable mounted ring rail 45 is arranged, which, as indicated by the arrow 36A, by means of a (not shown) drive mechanism 'according to a predetermined spinning program is displaced.
  • spinning rings 46 are installed, in which, during the spinning operation, acted upon by the running thread 50, ring rotors 47 rotate.
  • a bank 48 for the balloon constriction rings 49 and a bank 51 for the thread guides 52 are arranged.
  • the work stations 41A and 41B of the ring spinning machine 40 are also provided with a drafting system 53, between the lower rollers 54 and support rollers 55, the fiber sliver 56 to be spun is drawn, preferably from a flyer spool (not shown) suspended in an associated gate.
  • the ring spinning machine 40 further has an interface 61 which communicates with the control device 62 of the ring spinning machine 40, which controls the position of the winding of the spinning cops, is in communication.
  • the interface 61 for example via suitable data carriers, a wide variety of information, for example concerning the optimum position of the winding of the newly produced spinning cops, can be transmitted to the control device 62.
  • a direct connection of the control device 62 of the ring spinning machine 40 to the control device 30 of the winding machine 1 can be realized.
  • the connection line is in the FIGS. 1 and 2 designated by the reference numeral 60.
  • FIGS. 3A and 3B show spinning cops 3, as they are manufactured, for example, at the work stations 41A and 41B of ring spinning machines 40 and rewound on the work stations 2 of winding machines 1 to cheeses 5.
  • the 3A shows a conventional spinning cop 3, that is a spinning cop, as it is known by the prior art.
  • a thread body 34 is fixed in the winding type "Kopswicklung" whose starting height, as indicated by the line 35, is very close to the sleeve foot.
  • approximately the lower third of the thread body 34 designated as a winding forms a so-called problem zone, that is to say a region in which, if no special measures are taken, the yarn tension increases greatly during the winding process.
  • the 3B shows a spinning cop 3 according to the invention, in which the starting height 35 for creating the winding 34 is significantly spaced from the sleeve foot.
  • Such trained spinning cops 3 have not only when unwinding on a job of a winder the advantage that they have no problem zone in which to avoid thread breaks during Umspulreaes must be worked with a significantly reduced Umspul für, but also offer advantages in their production on the job of a ring spinning machine. That is, for spinning heads with a relatively high winding does not need, as for example in the 3A Spinning jacks 3 are commonly used, after the start and in a large part of the lower Spinnkops Kunststoffs initially worked with reduced spinning speed, because due to the Spinnkops Symposium in this large thread balloon otherwise there is a risk of yarn breakage, but such spinning cops can be spun immediately at full working speed.
  • the relatively high start height 35 and the overall relatively high arrangement of the winding 34 on the spinning head sleeve 33 has the consequence that the starting at the start of the spinning thread balloon is relatively short, which makes it possible to operate the ring spinning machine immediately with full spinning speed ,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Structural Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Winding Filamentary Materials (AREA)

Abstract

The method involves arranging a coil on cops sleeve, producing spinning cops (3) on work station (2) of ring spinning machine and determining location and size of the coil or the spinning cops. The unwinding behavior of the spinning cops is evaluated during rewinding of the spinning cops on work station of a coil machine. The evaluated result is transmitted to the ring spinning machine. The evaluated result is processed from the controlling of the ring spinning machine for optimization of the location and size of the coil. An independent claim is also included for a ring spinning machine for the execution of a manufacturing method.

Description

Verfahren zum Herstellen von SpinnkopsenMethod for producing spinning cops

Die Erfindung betrifft ein Verfahren zum Herstellen von Spinnkopsen gemäß dem Oberbegriff des Anspruchs 1 sowie eine Ringspinnmaschine zur Durchführung des Verfahrens.The invention relates to a method for producing spinning cops according to the preamble of claim 1 and to a ring spinning machine for carrying out the method.

Ringspinnmaschinen zum Herstellen von Spinnkopsen sind seit langem bekannt und in zahlreichen Patentschriften ausführlich beschrieben. Derartige Textilmaschinen weisen auf ihren Maschinenlängsseiten jeweils eine Vielzahl von identischen Arbeitsstellen auf, die ihrerseits jeweils über verschiedene, stationäre oder vertikal verschiebbar gelagerte Arbeitselemente verfügen.
Auf jeder der Maschinenlängsseiten sind beispielsweise ein Gatter zur Aufnahme von Vorlagespulen, ein Streckwerk zum Verziehen des durch die Vorlagespulen bereitgestellten Vorlagematerials sowie eine stationäre Spindelbank zur Aufnahme von rotierbar gelagerten Spinnspindeln vorgesehen.
Außerdem sind, jeweils vertikal verschiebbar gelagert, eine Ringbank zur Aufnahme von Spinnringen und Ringläufern, eine Bank für Balloneinengungsringe sowie eine Bank für Fadenführer vorhanden.Ring spinning machines for producing spinning heads have long been known and described in detail in numerous patents. Such textile machines each have a multiplicity of identical workstations on their longitudinal machine sides, which in turn each have different, stationary or vertically displaceably mounted working elements.
On each of the machine long sides, for example, a gate for receiving supply bobbins, a drafting device for warping the provided by the supply bobbins original material and a stationary spindle bank for receiving rotatably mounted spinning spindles are provided.
In addition, each mounted vertically displaceable, a ring rail for receiving spinning rings and ring travelers, a bank for balloon constriction rings and a bank for thread guide available.

Die vertikal verschiebbar gelagerten, in der Regel als maschinenlange Bänke ausgebildeten Bauelemente der Ringspinnmaschine werden mittels eines entsprechenden Antriebsmechanismus' nach einem vorgebbaren Spinnprogramm angesteuert und sorgen in Verbindung mit den in der Spindelbank rotierbar gelagerten Spinnspindeln dafür, dass aus dem Vorlagematerial Spinnkopse gefertigt werden.The vertically displaceably mounted, usually designed as a machine-length benches components of the ring spinning machine are controlled by a corresponding drive mechanism 'according to a predetermined spinning program and ensure in conjunction with the rotatably mounted in the spindle spindle spindles that are made of the template material spinning cops.

Die auf den Arbeitsstellen solcher Ringspinnmaschinen gefertigten Spinnkopse, die relativ wenig Garnvolumen enthalten, werden in einem nachfolgenden Arbeitsgang auf den Arbeitsstellen von Spulmaschinen zu großvolumigen Kreuzspulen umgewickelt.The spin cops made on the workstations of such ring spinning machines, which contain relatively little yarn volume, are wound in a subsequent operation on the jobs of winding machines to large-volume cheeses.

Die Arbeitsstellen der Spulmaschinen sind zu diesem Zweck ebenfalls mit verschiedenen Spulenhandhabungs- bzw. Fadenbearbeitungseinrichtungen ausgestattet.
Die Arbeitstellen derartiger Spulmaschinen verfügen zum Beispiel über eine Spuleinrichtung zur Herstellung von Kreuzspulen und über eine Aufnahmeeinrichtung, in der der Spinnkops zum Umspulen funktionsgerecht positioniert werden kann.
Außerdem weisen die Arbeitstellen unter anderem einen Fadenzugkraftsensor, einen Fadenspanner sowie einen elektronischen Garnreiniger auf, die alle an einen spulstelleneigenen Steuerungsrechner angeschlossen sind, der über einen Maschinenbus oder dgl. außerdem mit einer Zentralsteuereinheit der Spulmaschine in Verbindung steht.The work stations of the winding machines are also equipped for this purpose with various bobbin handling or thread processing facilities.
The workstations of such winding machines have, for example, a winding device for the production of cheeses and a receiving device in which the spinning cop can be positioned to rewind functionally.
In addition, the workstations include, among other things, a yarn tension sensor, a yarn tensioner and an electronic yarn cleaner, all of which are connected to a bobbin control computer which also communicates with a central control unit of the winder via a machine bus or the like.

Fadenzugkraftsensoren, wie sie beispielsweise durch die DE 41 29 803 A1 bekannt sind, sorgen in Verbindung mit Fadenspannern dafür, dass der Faden während des Umspulvorganges mit einer vorgebbaren, möglichst konstanten Fadenzugkraft auf die Kreuzspule aufgewickelt wird.Fadenzugkraftsensoren, as for example by the DE 41 29 803 A1 are known, in conjunction with thread tensioners ensure that the thread is wound during Umspulvorganges with a predetermined, constant as possible thread tension on the cheese.

Elektronische Garnreiniger, die zum Beispiel in der EP 1 143 236 B1 beschrieben sind, gewährleisten, dass während des Spulprozesses nur einwandfreies Garn auf die Kreuzspule aufgewickelt wird.
Das heißt, der vom Spinnkops abgezogene Faden läuft auf seinem Weg zu einer großvolumigen Kreuzspule durch den elektronischenElectronic yarn cleaners, for example, in the EP 1 143 236 B1 ensure that during the winding process only perfect yarn is wound up on the cross-wound bobbin.
That is, the withdrawn from the spinning cop thread runs on its way to a large volume cheese by the electronic

Garnreiniger, der den laufenden Faden während des Umspulprozesses fortwährend auf Fadenfehler hin überwacht und dafür sorgt, dass Fadenfehler sofort ausgereinigt und durch nahezu garngleiche Fadenspleiße ersetzt werden.
Durch solche elektronischen Garnreiniger können allerdings nicht nur Fadenfehler detektiert werden, sondern es kann auch die Haarigkeit eines laufenden Garns ermittelt werden.Yarn cleaner, which continuously monitors the running thread for thread defects during the rewinding process and ensures that thread defects are immediately cleaned and replaced by almost yarn-like thread splices.
By means of such electronic yarn cleaners, however, not only yarn defects can be detected, but also the hairiness of a running yarn can be determined.

Die Spulgeschwindigkeiten, mit denen die Arbeitsstellen von Spulmaschinen arbeiten, sind aufgrund verschiedener physikalischer Gegebenheiten, insbesondere durch die während des Umspulvorganges auftretenden Fadenzugkräfte, auf etwa 2000 m/min begrenzt.
Während eines Umspulvorganges, bei dem der Faden vorzugsweise mittels eines rotierenden Fadenballons über Kopf vom Spinnkops abgezogen wird, steigt die Fadenzugkraft, ausgehend von einem relativ geringen Wert zu Beginn der Kopsreise, im Laufe der Kopsreise stark an, wobei im letzten Drittel der Kopsreise die Fadenzugkräfte, wenn keine wirksamen Gegenmaßnahmen ergriffen werden, auf ein Mehrfaches der Anfangsfadenzugkraft anwachsen, was die Gefahr von Fadenbrüchen erheblich erhöht.
Da sowohl Fadenbrüche als auch stark schwankende Fadenzugkräfte die Qualität einer Kreuzspule negativ beeinflussen, sind in der Vergangenheit bereits verschiedene Verfahren und Vorrichtungen entwickelt worden, die es ermöglichen, dass Spinnkopse während des gesamten Abspulvorganges mit einer nahezu konstanten Fadenzugkraft abgewickelt werden.
Durch den Einsatz von Fadenspannern ist es zum Beispiel gelungen, bei Spinnkopsen die im Laufe der Kopsreise anwachsende Fadenzugkraft zu kompensieren.The winding speeds with which the work stations of winding machines work are limited to about 2000 m / min due to various physical conditions, in particular due to the thread tension forces occurring during the rewinding process.
During a rewinding operation in which the thread is preferably pulled off the spinning head by means of a rotating thread balloon overhead, the yarn tension, starting from a relatively low value at the beginning of Kopsreise, increases sharply in the course of Kopsreise, wherein in the last third of the Kopsreise the yarn tensile forces if no effective countermeasures are taken, they increase to a multiple of the initial yarn tension, which greatly increases the risk of yarn breakage.
Since both yarn breakage and strongly fluctuating yarn tension forces adversely affect the quality of a cross-wound bobbin, various methods and devices have been developed in the past, which enable spinning cops to be unwound during the entire unwinding process with a nearly constant yarn tension.
Through the use of thread tensioners, for example, it has been possible to compensate for the thread tension that increases in the course of the cop trip in the case of spinning cops.

Die Fadenspanner werden zu diesem Zweck zu Beginn der Kopsreise des Spinnkopses zunächst relativ stark beaufschlagt und der Anpressdruck der Fadenspanner im Laufe der Kopsreise entsprechend der von Fadenzugkraftsensoren gemessenen Fadenzugkraft sukzessiv verringert.
Da die Fadenspanner an einem bestimmten Punkt der Kopsreise allerdings vollständig geöffnet sind und dann eine Beeinflussung der Fadenzugkraft durch die Fadenspanner nicht mehr gegeben ist, sind außerdem Verfahren entwickelt worden, mit denen sichergestellt werden kann, dass die während des Umspulvorganges auftretenden Fadenzugkräfte auch nach dem vollständigen Öffnen der Fadenspanner unterhalb eines kritischen Bereiches gehalten werden können.For this purpose, the thread tensioners are initially relatively strongly loaded for this purpose at the beginning of the cop travel of the spinning cop, and the contact pressure of the thread tensioners is successively reduced in the course of the cop trip according to the thread tension measured by the yarn tension sensors.
However, since the thread tensioners are fully opened at a certain point of the cop trip and then no influence on the thread tension by the thread tensioner is given, methods have been developed to ensure that occurring during Umspulvorganges yarn tension even after the complete Opening the thread tensioner can be kept below a critical range.

Ein solches Verfahren bzw. eine Vorrichtung ist beispielsweise in der CH-PS 669 177 beschrieben.Such a method or a device is for example in the CH-PS 669 177 described.

Bei dieser bekannten Einrichtung erfolgt eine Regelung der Spulgeschwindigkeit und damit auch der Fadenabzugsgeschwindigkeit in Abhängigkeit von der Restfadenmenge auf dem Spinnkops.
Das heißt, bei dieser Einrichtung wird zu Beginn der Kopsreise zunächst mit einer relativ hohen Spulgeschwindigkeit gewickelt, die Spulgeschwindigkeit zum Ende der Kopsreise jedoch deutlich auf ein unkritisches Niveau abgesenkt.In this known device, a control of the winding speed and thus also the thread withdrawal speed in dependence on the amount of residual thread on the spinning cop.
That is, in this device is initially wrapped at the beginning of Kopsreise with a relatively high winding speed, the winding speed at the end of Kopsreise but lowered significantly to a non-critical level.

Mit diesem bekannten Verfahren konnte zwar eine Begrenzung der ohne entsprechende Maßnahmen während einer Kopsreise kontinuierlich anwachsenden Fadenzugkraft und damit eine deutliche Reduzierung der Fadenbrüche erreicht werden, die Herabsetzung der Spulgeschwindigkeit während des letzten Drittels der Kopsreise führt allerdings zu einer relativ geringen Durchschnittsspulgeschwindigkeit, was sich bezüglich des Wirkungsgrades derartiger Spulmaschinen negativ auswirkt.With this known method, although it was possible to achieve a limitation of the yarn tension continuously increasing without corresponding measures during a cop travel and thus a significant reduction of the yarn breaks, the reduction of the winding speed during the last third of the cop travel leads to a relatively low average winding speed, which is with respect to the efficiency of such winder negative effect.

Es ist in diesem Zusammenhang auch bekannt, während des Spulprozesses mittels eines Garnreinigers die Haarigkeit des umzuspulenden Garnes zu überwachen und bei Erreichen oder Überschreiten eines Grenzwertes der Haarigkeit die Spulgeschwindigkeit zu reduzieren.It is also known in this connection to monitor the hairiness of the yarn to be repulped during the winding process by means of a yarn cleaner and to reduce the winding speed when reaching or exceeding a limit of the hairiness.

Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, ein Verfahren zu entwickeln, das es ermöglicht, auf den Arbeitsstellen von Ringspinnmaschinen Spinnkopse herzustellen, die so ausgebildet sind, dass sie beim nachfolgenden Umspulen auf den Arbeitsstellen von Spulmaschinen ein optimales Ablaufverhalten aufweisen.Based on the aforementioned prior art, the present invention seeks to develop a method that makes it possible to produce on the jobs of ring spinning spinning frames, which are designed so that they have an optimal flow behavior during subsequent rewinding on the jobs of winding machines.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren gelöst, wie es im Anspruch 1 beschrieben ist.This object is achieved by a method as described in claim 1.

Eine Ringspinnmaschine zur Durchführung des erfindungsgemäßen Verfahrens ist Gegenstand des Anspruches 7.A ring spinning machine for carrying out the method according to the invention is the subject of claim 7.

Vorteilhafte Ausgestaltungen des Verfahrens sowie der Ringspinnmaschine sind in den Unteransprüchen 2-6 bzw. 8 beschrieben.Advantageous embodiments of the method and the ring spinning machine are described in the subclaims 2-6 and 8, respectively.

Das erfindungsgemäße Verfahren, bei dem Lage und Größe der Wicklung der auf den Arbeitsstellen einer Ringspinnmaschine herzustellenden Spinnkopse dadurch ermittelt wird, dass beim Umspulen wenigstens eines Spinnkopses auf einer Arbeitsstelle einer Spulmaschine das Abspulverhalten des Spinnkopses bewertet, das Ergebnis an die Ringspinnmaschine übermittelt und von der Steuerung der Ringspinnmaschine zur Optimierung der Lage der Wicklung verarbeitet wird, hat insbesondere den Vorteil, dass bei derartig hergestellten Spinnkopsen gewährleistet ist, dass es während der gesamten Spulenreise, auch wenn konstant mit hoher Spulgeschwindigkeit gewickelt wird, nicht zu einem nennenswerten Anstieg der Fadenzugkraft kommt.
Das heißt, derartig hergestellte Spinnkopse können auf den Arbeitsstellen der Spulmaschinen ständig mit sehr hoher Spulgeschwindigkeit umgespult werden, ohne dass die Gefahr besteht, dass es zum vermehrten Auftreten von Fadenbrüchen kommt.The inventive method in which the position and size of the winding to be produced on the jobs of a ring spinning machine spinning cops is determined by the fact that when rewinding at least one Spinnkopses on a job of a winder evaluates the Abspulverhalten the spinning cop, the result of the Transmitted ring spinning machine and processed by the control of the ring spinning machine to optimize the position of the winding, in particular has the advantage that it is ensured in spinning cops made such that it is not a significant during the entire coil travel, even if constantly wound at high winding speed Increase in the thread tension comes.
In other words, spinning cops produced in this way can be continuously rewound on the work stations of the winding machines at a very high winding speed, without the risk of an increased occurrence of yarn breakages.

Wie im Anspruch 2 beschrieben, ist in vorteilhafter Ausführungsform vorgesehen, dass bei der Herstellung neuer Spinnkopse auf den Arbeitsstellen von Ringsspinnmaschinen das Entstehen von Problemzonen im Bereich der Wicklung, die sich während des Spulprozesses negativ bemerkbar machen, dadurch verhindert wird, dass bei der Herstellung dieser neuen Spinnkopse auf den Arbeitsstellen der Ringspinnmaschine die Starthöhe der Wicklung in Abhängigkeit der beim Abspulen wenigstens eines Spinnkopses ermittelten Werte so weit angehoben wird, dass die neuen Spinnkopse den als problematisch erkannten Wicklungsbereich nicht mehr aufweisen.As described in claim 2, it is provided in an advantageous embodiment that in the production of new spinning cops on the jobs of ring spinning machines, the emergence of problem areas in the winding, which make themselves negatively noticeable during the winding process, is prevented by the fact that in the production of this new spin cops on the work stations of the ring spinning machine, the starting height of the winding is raised depending on the determined when unwinding at least one Spinnkopses values so far that the new spinning cops no longer have recognized as problematic winding area.

Wie in den Ansprüchen 3 und 4 dargelegt, ist in bevorzugter Ausführungsform vorgesehen, dass als Parameter zur Ermittlung der optimalen Lage der Wicklung der auf den Arbeitsstellen von Ringspinnmaschinen die beim Abspulen eines Spinnkopses wirksame Fadenzugkraft Berücksichtigung findet.
Nach einem Partiewechsel an einer Ringspinnmaschine wird zum Beispiel zunächst mit wenigstens einem der neu auf der Ringspinnmaschine gefertigten Spinnkopse auf einer der Arbeitsstellen einer Spulmaschine ein Umspulprozess durchgeführt und dabei mit dem an der Arbeitsstelle vorhandenen Fadenzugkraftsensor die Fadenzugkraft des laufende Fadens erfasst.
Der Fadenzugkraftsensor stellt dabei ein ständiges, durch den Fadenspanner auszugleichendes Ansteigen der Fadenzugkraft fest, wobei es zum Kopsende hin, trotz eines vollständig geöffneten Fadenspanners zum Überschreiten eines Grenzwertes kommt, was von der Steuereinrichtung der Spulmaschine als der Beginn einer Problemzone der Wicklung des Spinnkopses bewertet wird.
Das bedeutet, in der Steuereinrichtung der Spulmaschine werden die während des Umspulprozesses ermittelten Fadenspannungswerte dahingehend verarbeitet, dass durch die Steuereinrichtung die bezüglich eines guten Ablaufverhaltens des Spinnkopses optimale Lage und Größe der Wicklung des Spinnkopses berechnet wird, wobei die optimale Lage der Wicklung von Garnpartie zu Garnpartie unterschiedlich sein kann und zum Beispiel vom Garnmaterial und/oder der Garnstärke abhängig ist.
Um das Entstehen einer solchen Problemzone bei den nachfolgend auf der Ringspinnmaschine zu fertigenden Spinnkopsen zu vermeiden, werden die von der Steuereinrichtung der Spulmaschine ermittelten Werte an die Steuereinrichtung der Ringspinnmaschine übermittelt und das Spinnprogramm der Ringspinnmaschine so korrigiert, dass die Lage der Wicklungen der neu herzustellenden Spinnkopse optimiert wird.As set forth in claims 3 and 4, it is provided in a preferred embodiment that is taken into account as a parameter for determining the optimum position of the winding on the work stations of ring spinning machines effective when unwinding a Spinnkopses thread tension.
After a game change on a ring spinning machine, for example, first with at least one of the new on the ring spinning machine fabricated spinning cops performed on one of the work stations of a winder rewinding while detecting the yarn tension of the current thread with the present at the workstation yarn tension sensor.
The yarn tension force sensor thereby establishes a constant increase in the yarn tension to be compensated by the yarn tensioner, whereby a limit value is exceeded for the end of the yarn despite a completely open yarn tensioner, which is evaluated by the control device of the winding machine as the beginning of a problem zone of the winding of the spinning cop ,
This means that in the control device of the winding machine, the yarn tension values determined during the rewinding process are processed such that the optimal position and size of the winding of the spinning cop is calculated by the control device, whereby the optimum position of the winding from yarn section to yarn section may vary and depends, for example, on the yarn material and / or yarn size.
In order to avoid the occurrence of such a problem zone in the subsequent spinning spinning on the spinning machine, the values determined by the controller of the winder are transmitted to the control device of the ring spinning machine and the spinning program of the ring spinning machine corrected so that the position of the windings of the newly produced spinning cops is optimized.

Anstelle der Fadenzugkraft kann als Parameter zur Ermittlung der optimalen Lage der Wicklung der auf den Arbeitsstellen von Ringspinnmaschinen neu herzustellenden Spinnkopse allerdings auch, wie in den Ansprüchen 5 und 6 beschrieben, die sich beim Abspulen des Spinnkopses einstellende Haarigkeit des Garns Berücksichtigung finden.
Da auch die Haarigkeit des Garnes beim Abspulen eines Spinnkopses zum Kopsende hin deutlich zunimmt, kann mittels des Garnreinigers auf relativ einfache Weise das Überschreiten eines Grenzwertes der Garnhaarigkeit erfasst und von der Steuereinrichtung der Spulmaschine als der Beginn einer Problemzone der Wicklung des Spinnkopses bewertet werden, deren Entstehung bei nachfolgend auf der Ringspinnmaschine zu fertigenden Spinnkopsen durch eine Korrektur der Lage der Wicklung der Spinnkopse bei deren Herstellung auf der Ringspinnmaschine vermieden werden kann.Instead of the yarn tension can, however, as a parameter for determining the optimum position of the winding of the newly produced on the work stations of ring spinning machines spinning cops, as described in claims 5 and 6, during the unwinding Considering the spinnopops adjusting hairiness of the yarn.
Since the hairiness of the yarn when unwinding a Spinnkopses towards Kopsende towards clearly increases, can be detected by the control device of the winder as the beginning of a problem zone of the winding of the spinning cop in a relatively simple manner, the exceeding of a limit of Garnhaarigkeit Formation can be avoided in subsequent to the ring spinning machine to be produced spinning cops by correcting the position of the winding of the spinning cops in their production on the ring spinning machine.

Gemäß Anspruch 7 weist die Ringspinnmaschine zum Durchführen des erfindungsgemäßen Verfahrens in vorteilhafter Ausführungsform eine Schnittstelle auf, über die die Steuereinrichtung der Ringspinnmaschine, die die Lage der Bewicklung der Spinnkopse steuert, mit Daten versorgt werden kann, die von einer Steuereinrichtung einer Spulmaschine während des Abspulens wenigstens eines Spinnkopses ermittelt wurden.
Die über diese Schnittstelle eingespeisten, von der Steuereinrichtung der Spulmaschine bereitgestellten Daten werden in der Steuereinrichtung der Ringspinnmaschine verarbeitet und zur Korrektur des Spinnprogramms umgesetzt.
Das heißt, die über die Schnittstelle eingebrachten Daten werden von der Steuereinrichtung der Ringspinnmaschine zur Optimierung der Lage und Größe der Wicklung neu herzustellender Spinnkopse benutzt.According to claim 7, the ring spinning machine for carrying out the method according to the invention in an advantageous embodiment, an interface over which the control device of the ring spinning machine, which controls the position of the winding of the spinning cops, can be supplied with data from a controller of a winder during unwinding at least of a spinning cop were determined.
The data supplied via this interface, provided by the control device of the winder data are processed in the control device of the ring spinning machine and implemented to correct the spinning program.
That is, the data introduced via the interface are used by the control device of the ring spinning machine for optimizing the position and size of the winding of newly produced spinning cops.

Wie im Anspruch 8 dargelegt, kann in vorteilhafter Ausführungsform des Weiteren vorgesehen sei, dass die Ringspinnmaschine über die Schnittstelle direkt mit der Spulmaschine in Verbindung steht.As set forth in claim 8, it can further be provided in an advantageous embodiment that the ring spinning machine is directly connected to the winding machine via the interface.

Bei einer solchen, insbesondere bei so genannten Verbundanlagen, vorteilhaften Ausführungsform ist die Steuereinrichtung der Ringspinnmaschine direkt mit der Steuereinrichtung der Spulmaschine verbunden, so dass die während des Spulprozesses ermittelten Werte sofort auf die Steuereinrichtung der Ringspinnmaschine übertragen und von dieser bei der Herstellung der neuen Spinnkopse unmittelbar so umgesetzt werden können, dass diese die beim Abspulvorgang erkannte Problemzone nicht mehr aufweisen.In such an advantageous embodiment, in particular in so-called compound systems, the control device of the ring spinning machine is connected directly to the control device of the winding machine, so that the values determined during the winding process are transmitted immediately to the control device of the ring spinning machine and directly from this during the production of the new spinning cops can be implemented so that they no longer have the identified during the unwinding problem zone.

Das erfindungsgemäße Verfahren bzw. die zur Durchführung des Verfahrens benötigten Textilmaschinen wird/werden nachfolgend anhand der in den Zeichnungen dargestellten Ausführungsbeispiele erläutert.The method according to the invention or the textile machines required for carrying out the method will be explained below with reference to the exemplary embodiments illustrated in the drawings.

Es zeigt:

Fig.1
eine Seitenansicht einer Arbeitsstelle einer Spulmaschine,
Fig.2
eine Vorderansicht auf zwei Arbeitstellen einer Ringspinnmaschine,
Fig.3A
einen nach konventionellem Verfahren gefertigten Spinnkops mit Problemzone,
Fig.3B
einen nach erfindungsgemäßem Verfahren gefertigten Spinnkops ohne Problemzone.
It shows:
Fig.1
a side view of a workstation of a winder,
Fig.2
a front view of two work stations of a ring spinning machine,
3A
a conventionally manufactured spinning cop with problem zone,
3B
a spinning cop manufactured according to the inventive method without problem zone.

In Figur 1 ist in Seitenansicht schematisch die Arbeitsstelle 2 einer Spulmaschine 1 dargestellt.In FIG. 1 is schematically shown in side view, the job 2 a winder 1.

Auf den Arbeitsstellen 2 derartiger Spulmaschinen 1 werden, wie bekannt, die auf einer Ringspinnmaschine produzierten Spinnkopse 3 zu großvolumigen Kreuzspulen 5 umgespult.As is known, the spinning heads 3 produced on a ring spinning machine are rewound to large-volume cheeses 5 on the work stations 2 of such winding machines 1.

Die Kreuzspulen 5 werden nach ihrer Fertigstellung mittels eines (nicht dargestellten) selbsttätig arbeitenden Serviceaggregates, vorzugsweise eines Kreuzspulenwechslers, auf eine maschinenlange Kreuzspulentransporteinrichtung 7 übergeben und zu einer maschinenendseitig angeordneten Spulenverladestation oder dgl. transportiert.
Solche Spulmaschinen 1 weisen in der Regel außerdem eine Logistikeinrichtung in Form eines Spulen- und Hülsentransportsystems 6 auf, in dem, auf Transporttellern 11, die Spinnkopse 3 beziehungsweise Leerhülsen umlaufen.
Von dem Hülsentransportsystem 6 sind in Fig.1 lediglich die Kopszuführstrecke 24, die reversibel antreibbare
Speicherstrecke 25, eine der zu den Arbeitsstellen 2 führenden Quertransportstrecken 26 sowie die Hülsenrückführstrecke 27 dargestellt.The cheeses 5 are after their completion by means of a (not shown) automatically operating service unit, preferably a cheese changer, handed over to a machine-length cheese package conveyor 7 and transported to a machine end side Spulenverladestation or the like.
Such winding machines 1 generally also have a logistics device in the form of a bobbin and tube transport system 6, in which, on transport plates 11, the spinning cops 3 or empty tubes circulate.
Of the sleeve transport system 6 are in Fig.1 only the Kopszuführstrecke 24, the reversibly driven
Storage section 25, one of the leading to the jobs 2 transverse transport sections 26 and the sleeve return path 27 shown.

Die einzelnen Arbeitsstellen 2 verfügen des Weiteren über verschiedene Einrichtungen, die einen ordnungsgemäßen Betrieb dieser Arbeitsstellen 2 gewährleisten.
Eine dieser Einrichtungen ist beispielsweise die Spulvorrichtung 4, die, wie üblich, über einen um eine Schwenkachse 12 beweglich gelagerten Spulenrahmen 8 verfügt, in dem die Kreuzspule 5 rotierbar gehaltert ist. In dem in Fig.1 dargestellten Ausführungsbeispiel liegt die Kreuzspule 5 während des Spulbetriebes außerdem mit ihrer Oberfläche auf einer durch einen Elektromotor angetriebenen Stütz- und Andrückwalze 9 auf, die die Kreuzspule 5 über Reibschluss mitnimmt.The individual jobs 2 also have various facilities that ensure the proper operation of these jobs 2.
One of these devices is, for example, the winding device 4, which, as usual, has a coil frame 8 movably mounted about a pivot axis 12, in which the cross-wound bobbin 5 is held rotatably. In the in Fig.1 illustrated embodiment, the cross-wound bobbin 5 during the winding operation also with its surface on a driven by an electric motor support and pressure roller 9, which carries the cheese 5 via frictional engagement.

Zur Changierung des Fadens 16 während des Spulprozesses ist eine Fadenchangiereinrichtung 10 vorgesehen.For traversing the thread 16 during the winding process a Fadenchangiereinrichtung 10 is provided.

Im Ausführungsbeispiel weist die Fadenchangiereinrichtung 10 einen Fingerfadenführer 13 auf, der, durch einen elektromechanischen Antrieb 14 beaufschlagt, den Faden 16 zwischen den Stirnseiten der Kreuzspule 5 traversiert.
Der Antrieb 14 der Fadenchangiereinrichtung 10 ist, wie der Elektromotor der Antrieb Stütz- und Andrückwalze 9, über Steuerleitungen mit dem Arbeitsstellenrechner 28 verbunden, der seinerseits über eine Busverbindung 29 mit der Zentralsteuereinheit 30 der Spulmaschine 1 in Verbindung steht.
Die Zentralsteuereinheit 30 kann außerdem, wie in Fig.1 angedeutet über eine Verbindung 60 an eine Schnittstelle 61 einer Ringspinnmaschine 40 angeschlossen sein.In the exemplary embodiment, the thread traversing device 10 has a finger thread guide 13, which, acted upon by an electromechanical drive 14, traverses the thread 16 between the end faces of the cross-wound bobbin 5.
The drive 14 of the thread-changing device 10, like the electric motor of the drive support and pressure roller 9, is connected via control lines to the workstation computer 28, which in turn is connected via a bus connection 29 to the central control unit 30 of the winding machine 1.
The central control unit 30 may also, as in Fig.1 indicated to be connected via a connection 60 to an interface 61 of a ring spinning machine 40.

Die einzelnen Arbeitsstellen 2 verfügen außerdem, wie bekannt und daher nur angedeutet, über verschiedene Einrichtungen, die ebenfalls über entsprechende Steuerleitungen an den Arbeitsstellenrechner angeschlossen sind und die einen ordnungsgemäßen Spulbetrieb der Arbeitsstellen 2 gewährleisten. Solche Arbeitsstellen 2 verfügen beispielsweise über eine Spleißeinrichtung 19, einen Fadenspanner 20, einen Garnreiniger 21, eine Paraffiniereinrichtung 22, eine Fadenschneideinrichtung 23, einen Fadenzugkraftsensor 31 sowie über einen Unterfadensensor 32. Außerdem sind derartige Arbeitstellen 2 mit einer Saugdüse 17 und einem Greiferrohr 18 ausgestattet.The individual jobs 2 also have, as known and therefore only hinted at, various devices which are also connected via appropriate control lines to the workstation computer and ensure proper winding operation of the jobs 2. Such jobs 2 have, for example, a splicing device 19, a thread tensioner 20, a yarn cleaner 21, a paraffining device 22, a thread cutting device 23, a yarn tension sensor 31 and a lower thread sensor 32. In addition, such work stations 2 are equipped with a suction nozzle 17 and a gripper tube 18.

In Fig.2 sind schematisch in Vorderansicht zwei Arbeitsstellen einer Ringspinnmaschine 40 dargestellt.In Fig.2 are shown schematically in front view two jobs of a ring spinning machine 40.

Die Arbeitsstellen sind dabei mit den Bezugszahlen 41A und 41B gekennzeichnet.
Wie bekannt, verfügen solche Ringspinnmaschinen 40 auf jeder ihrer Maschinenlängsseiten über eine stationäre Spindelbank 42, in der in einem Teilungsabstand t Spinnspindeln 43 angeordnet sind, die im Ausführungsbeispiel mittels eines Tangentialriemens 44 angetrieben werden.
Oberhalb der stationären Spindelbank 42 ist eine vertikal verstellbar gelagerte Ringbank 45 angeordnet, die, wie anhand des Pfeils 36A angedeutet, mittels eines (nicht näher dargestellten) Antriebsmechanismus' nach einem vorgebbaren Spinnprogramm verlagerbar ist.
In der Ringbank 45 sind Spinnringe 46 installiert, an denen während des Spinnbetriebes, durch den laufenden Faden 50 beaufschlagt, Ringläufer 47 kreisen.The jobs are identified by reference numerals 41A and 41B.
As is known, such ring spinning machines 40 have, on each of their longitudinal machine sides, a stationary spindle bank 42 in which spinning spindles 43 are arranged at a pitch t, which are driven in the exemplary embodiment by means of a tangential belt 44.
Above the stationary spindle rail 42 a vertically adjustable mounted ring rail 45 is arranged, which, as indicated by the arrow 36A, by means of a (not shown) drive mechanism 'according to a predetermined spinning program is displaced.
In the ring rail 45 spinning rings 46 are installed, in which, during the spinning operation, acted upon by the running thread 50, ring rotors 47 rotate.

Des Weiteren sind oberhalb der Ringbank 45, wie durch die Pfeile 36B und 36C angedeutet, ebenfalls definiert vertikal verschiebbar gelagert, eine Bank 48 für die Balloneinengungsringe 49 sowie eine Bank 51 für die Fadenführer 52 angeordnet.Furthermore, above the ring rail 45, as indicated by the arrows 36B and 36C, also defined in a vertically displaceably mounted manner, a bank 48 for the balloon constriction rings 49 and a bank 51 for the thread guides 52 are arranged.

Die Arbeitstellen 41A und 41B der Ringspinnmaschine 40 sind außerdem mit einem Streckwerk 53 ausgestattet, zwischen dessen Unterwalzen 54 und Auflagerollen 55 das zu verspinnende Faserband 56 verstreckt wird, das vorzugsweise von einer (nicht dargestellten) Flyerspule stammt, die in einem zugehörigen Gatter hängt.The work stations 41A and 41B of the ring spinning machine 40 are also provided with a drafting system 53, between the lower rollers 54 and support rollers 55, the fiber sliver 56 to be spun is drawn, preferably from a flyer spool (not shown) suspended in an associated gate.

Wie in Fig.2 schematisch dargestellt, verfügt die Ringspinnmaschine 40 des Weiteren über eine Schnittstelle 61, die mit der Steuereinrichtung 62 der Ringspinnmaschine 40, die die Lage der Bewicklung der Spinnkopse steuert, in Verbindung steht.
Über die Schnittstelle 61 können, zum Beispiel über geeignete Datenträger, verschiedenste Informationen, zum Beispiel die optimale Lage der Wicklung der neu herzustellenden Spinnkopse betreffend, auf die Steuereinrichtung 62 übertragen werden. Selbstverständlich ist über die Schnittstelle 61 auch eine direkte Anbindung der Steuereinrichtung 62 der Ringspinnmaschine 40 an die Steuereinrichtung 30 der Spulmaschine 1 realisierbar.
Die Verbindungsleitung ist in den Figuren 1 und 2 mit dem Bezugszeichen 60 gekennzeichnet.As in Fig.2 schematically illustrated, the ring spinning machine 40 further has an interface 61 which communicates with the control device 62 of the ring spinning machine 40, which controls the position of the winding of the spinning cops, is in communication.
Via the interface 61, for example via suitable data carriers, a wide variety of information, for example concerning the optimum position of the winding of the newly produced spinning cops, can be transmitted to the control device 62. Of course, via the interface 61, a direct connection of the control device 62 of the ring spinning machine 40 to the control device 30 of the winding machine 1 can be realized.
The connection line is in the FIGS. 1 and 2 designated by the reference numeral 60.

Die Figuren 3A und 3B zeigen Spinnkopse 3, wie sie zum Beispiel auf den Arbeitsstellen 41A und 41B von Ringspinnmaschinen 40 gefertigt und auf den Arbeitsstellen 2 von Spulmaschinen 1 zu Kreuzspulen 5 umgespult werden.The FIGS. 3A and 3B show spinning cops 3, as they are manufactured, for example, at the work stations 41A and 41B of ring spinning machines 40 and rewound on the work stations 2 of winding machines 1 to cheeses 5.

Die Fig.3A zeigt dabei einen konventionellen Spinnkops 3, das heißt einen Spinnkops, wie er durch den Stand der Technik bekannt ist. Auf einer Hülse 33 ist in der Wicklungsart "Kopswicklung" ein Fadenkörper 34 festgelegt, dessen Starthöhe, wie durch die Linie 35 gekennzeichnet, sehr nahe im Bereich des Hülsenfußes liegt.
Bei derartigen Spinnkopsen bildet etwa das untere Drittel des als Wicklung bezeichneten Fadenkörpers 34 eine so genannte Problemzone, das heißt, einen Bereich, in dem, wenn keine besonderen Maßnahmen ergriffen werden, während des Spulprozesses die Fadenzugkraft stark ansteigt.The 3A shows a conventional spinning cop 3, that is a spinning cop, as it is known by the prior art. On a sleeve 33, a thread body 34 is fixed in the winding type "Kopswicklung" whose starting height, as indicated by the line 35, is very close to the sleeve foot.
In such spinning cops, approximately the lower third of the thread body 34 designated as a winding forms a so-called problem zone, that is to say a region in which, if no special measures are taken, the yarn tension increases greatly during the winding process.

Die Fig.3B zeigt einen erfindungsgemäßen Spinnkops 3, bei dem die Starthöhe 35 zum Erstellen der Wicklung 34 deutlich beabstandet zum Hülsenfuß ist.The 3B shows a spinning cop 3 according to the invention, in which the starting height 35 for creating the winding 34 is significantly spaced from the sleeve foot.

Derartig ausgebildete Spinnkopse 3 haben nicht nur beim Abspulen auf einer Arbeitsstelle einer Spulmaschine den Vorteil, dass sie keine Problemzone aufweisen, in denen, um Fadenbrüche während des Umspulprozesses zu vermeiden, mit einer deutlich reduzierten Umspulgeschwindigkeit gearbeitet werden muss, sondern bieten auch Vorteile bei ihrer Herstellung auf der Arbeitsstelle einer Ringspinnmaschine.
Das heißt, bei Spinnkopsen mit einer relativ hoch angeordneten Wicklung muss nicht, wie zum Beispiel bei den in Fig.3A dargestellten Spinnkopsen 3 üblich, nach dem Start sowie in einem großen Teil des unteren Spinnkopsbereichs zunächst mit reduzierter Spinngeschwindigkeit gearbeitet werden, weil aufgrund des in diesem Spinnkopsbereich großen Fadenballons sonst die Gefahr eines Fadenbruchs besteht, sondern solche Spinnkopse können sofort mit voller Arbeitsgeschwindigkeit gesponnen werden.Such trained spinning cops 3 have not only when unwinding on a job of a winder the advantage that they have no problem zone in which to avoid thread breaks during Umspulprozesses must be worked with a significantly reduced Umspulgeschwindigkeit, but also offer advantages in their production on the job of a ring spinning machine.
That is, for spinning heads with a relatively high winding does not need, as for example in the 3A Spinning jacks 3 are commonly used, after the start and in a large part of the lower Spinnkopsbereichs initially worked with reduced spinning speed, because due to the Spinnkopsbereich in this large thread balloon otherwise there is a risk of yarn breakage, but such spinning cops can be spun immediately at full working speed.

Die relativ weit oben liegende Starthöhe 35 sowie die insgesamt verhältnismäßig hohe Anordnung der Wicklung 34 auf der Spinnkopshülse 33 hat nämlich zur Folge, dass der sich beim Start des Spinnvorganges einstellende Fadenballon relativ kurz ist, was es ermöglicht, die Ringspinnmaschine sofort mit voller Spinngeschwindigkeit zu betreiben.The relatively high start height 35 and the overall relatively high arrangement of the winding 34 on the spinning head sleeve 33 has the consequence that the starting at the start of the spinning thread balloon is relatively short, which makes it possible to operate the ring spinning machine immediately with full spinning speed ,

Claims (8)

Verfahren zum Herstellen von Spinnkopsen, deren auf einer Kopshülse angeordnete Wicklung eine durch das Spinnprogramm einer Ringspinnmaschine vorgegebene Lage und Größe aufweist,
dadurch gekennzeichnet,
dass die Lage und Größe der Wicklung der auf Arbeitsstellen von Ringspinnmaschinen herzustellenden Spinnkopse dadurch ermittelt wird, dass beim Umspulen wenigstens eines Spinnkopses auf einer Arbeitsstelle einer Spulmaschine das Abspulverhalten des Spinnkopses bewertet, das Ergebnis an die Ringspinnmaschine übermittelt und von der Steuerung der Ringspinnmaschine zur Optimierung der Lage der Wicklung verarbeitet wird.Method for producing spinning cops, whose winding arranged on a coping sleeve has a position and size predetermined by the spinning program of a ring spinning machine,
characterized,
in that the position and size of the winding of the spinning cops to be produced on work stations of ring spinning machines is determined by evaluating the unwinding behavior of the spinning cop when rewinding at least one spinning cop on a work station of a winder, transmitting the result to the ring spinning machine and controlling the ring spinning machine to optimize the spinning frame Location of the winding is processed. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass bei Spinnkopsen das Entstehen von Problemzonen im Bereich der Wicklung dadurch verhindert wird, dass in Abhängigkeit von beim Abspulen wenigstens eines Spinnkopses auf einer Arbeitsstelle einer Spulmaschine ermittelten Werten bei der Herstellung von Spinnkopsen auf Arbeitsstellen von Ringspinnmaschinen die Starthöhe der Wicklung der Spinnkopse angehoben wird.A method according to claim 1, characterized in that in spinning cops the emergence of problem areas in the winding is prevented by the fact that depending on the unwinding of at least one spinning cop on a workstation of a winder determined values in the production of spinning cops on work stations of ring spinning machines, the starting height the winding of the spinning cops is raised. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass als Parameter zur Ermittlung der optimalen Lage der Wicklung der auf Arbeitsstellen von Ringspinnmaschinen herzustellenden Spinnkopse die beim Abspulen eines Spinnkopses auf einer Arbeitsstelle einer Spulmaschine wirksame Fadenzugkraft Berücksichtigung findet.A method according to claim 1 or 2, characterized in that as a parameter for determining the optimum position of the winding to be produced on the jobs of ring spinning machines spinning cops, the effective when drawing a Spinnkopses on a job of a winder Fadenzugkraft is taken into account. Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass während des Abspulvorganges des Spinnkopses die Fadenzugkraft mittels eines Fadenzugkraftsensors erfasst und das Überschreiten eines Grenzwertes von einer Steuereinrichtung der Spulmaschine als der Beginn einer Problemzone der Wicklung des Spinnkopses bewertet wird.A method according to claim 3, characterized in that detected during the Abspulvorganges of Spinnkopses the yarn tension by means of a yarn tension sensor and the exceeding of a limit value is evaluated by a control device of the winder as the beginning of a problem zone of the winding of the spinning cop. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass als Parameter zur Ermittlung der optimalen Lage der Wicklung der auf Arbeitsstellen von Ringspinnmaschinen herzustellenden Spinnkopse die sich beim Abspulen eines Spinnkopses auf einer Arbeitsstelle einer Spulmaschine einstellende Haarigkeit des Garns Berücksichtigung findet.A method according to claim 1 or 2, characterized in that as parameters for determining the optimum position of the winding to be produced on jobs of ring spinning machines spinning cops taking into account when unwinding a spinning cop on a workstation of a winder hairiness of the yarn. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass während des Abspulvorganges des Spinnkopses die Haarigkeit des Garns mittels eines Garnreinigers erfasst wird und das Überschreiten eines Grenzwertes von einer Steuereinrichtung der Spulmaschine als der Beginn einer Problemzone der Wicklung des Spinnkopses bewertet wird.A method according to claim 5, characterized in that during the Abspulvorganges the Spinnkopses the hairiness of the yarn is detected by means of a yarn cleaner and the exceeding of a limit value is evaluated by a control device of the winder as the beginning of a problem zone of the winding of the spinning cop. Ringspinnmaschine zur Durchführung des Verfahrens nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Ringspinnmaschine (40) über eine Schnittstelle (61) verfügt, über die eine Steuereinrichtung (62) der Ringspinnmaschine (40), die die Lage der Bewicklung der Spinnkopse steuert, mit Daten versorgt werden kann, die von einer Steuereinrichtung (30) einer Spulmaschine (1) während des Abspulvorganges wenigstens eines Spinnkopses ermittelt wurden.Ring spinning machine for carrying out the method according to one of the preceding claims, characterized in that the ring spinning machine (40) has an interface (61) via which a control device (62) of the ring spinning machine (40) which controls the position of the winding of the spinning cops, can be supplied with data, which were determined by a control device (30) of a winder (1) during the unwinding of at least one spinning cop. Ringspinnmaschine nach Anspruch 7, dadurch gekennzeichnet, dass die Steuereinrichtung (62) der Ringspinnmaschine (40) über die Schnittstelle (61) mit der Steuereinrichtung (30) der Spulmaschine (1) verbunden ist.Ring spinning machine according to claim 7, characterized in that the control device (62) of the ring spinning machine (40) via the interface (61) with the control device (30) of the winder (1) is connected.
EP20110002878 2010-05-21 2011-04-06 Method for manufacturing spinning cops Active EP2388222B1 (en)

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DE102010021152A DE102010021152A1 (en) 2010-05-21 2010-05-21 Method for producing spinning cops

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WO2018096427A2 (en) 2016-11-23 2018-05-31 Maschinenfabrik Rieter Ag Method and device for operating a winding machine
WO2019111090A1 (en) 2017-12-08 2019-06-13 Maschinenfabrik Rieter Ag Method for operating a winding machine for rewinding cops of a preceding ring spinning machine
WO2019243125A1 (en) * 2018-06-19 2019-12-26 Oerlikon Textile Gmbh & Co. Kg Method for the production and further processing of synthetic threads

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CN108033226B (en) * 2017-11-28 2019-07-26 张家港扬子纺纱有限公司 It is a kind of sky quill distribute transportation system automatically
DE102018113886A1 (en) * 2018-06-11 2019-12-12 Saurer Spinning Solutions Gmbh & Co. Kg Method and device for influencing the Bewicklungszustandes ring spinning cops
CN108910394A (en) * 2018-08-14 2018-11-30 杭州锐冠科技有限公司 A kind of bobbin yarn conveying device

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EP2957664A1 (en) * 2012-06-04 2015-12-23 Murata Machinery, Ltd. Yarn winding device, yarn winding method, and yarn winding system
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Also Published As

Publication number Publication date
CN102249120A (en) 2011-11-23
DE102010021152A1 (en) 2011-11-24
EP2388222A3 (en) 2013-01-09
CN102249120B (en) 2015-04-08
EP2388222B1 (en) 2014-01-22

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