EP2029465A1 - Procédé de fonctionnement du poste de travail d'une machine textile produisant des bobines croisées - Google Patents

Procédé de fonctionnement du poste de travail d'une machine textile produisant des bobines croisées

Info

Publication number
EP2029465A1
EP2029465A1 EP07725394A EP07725394A EP2029465A1 EP 2029465 A1 EP2029465 A1 EP 2029465A1 EP 07725394 A EP07725394 A EP 07725394A EP 07725394 A EP07725394 A EP 07725394A EP 2029465 A1 EP2029465 A1 EP 2029465A1
Authority
EP
European Patent Office
Prior art keywords
suction nozzle
receiving position
yarn end
end receiving
thread
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
EP07725394A
Other languages
German (de)
English (en)
Other versions
EP2029465B1 (fr
Inventor
Hans-Günter Wedershoven
Stefan Bungter
Manfred Mund
Bernd-Rüdiger Theele
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
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.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2029465A1 publication Critical patent/EP2029465A1/fr
Application granted granted Critical
Publication of EP2029465B1 publication Critical patent/EP2029465B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • 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 job of a cross-wound producing textile machine according to the preamble of claim 1 and a corresponding job.
  • Such a workstation of a cheese winder is described, for example, in DE 101 50 590 A1.
  • This known job has, inter alia, a suction nozzle, which receive the accumulated after a thread break or a defined cleaner cut on the surface of a cheese upper thread and can insert into a pneumatic yarn splicing device, where the upper thread is connected to a prepared by a looper thread lower thread.
  • the suction nozzle which is displaceable between two end positions, is either, as described in DE 101 50 590 Al, acted upon by a tension spring and guided on a cam, pivoted into a thread receiving position in which the mouth of the suction nozzle in the region of the surface In the coil frame held cross-wound bobbin is positioned or the suction nozzle is, as indicated for example in EP 0 717 001 Bl, acted upon by a single motor, pivotable between its end positions.
  • the suction nozzles are usually at a so-called suction nozzle stop, via which the optimal distance between the mouth of the suction nozzle and the surface of the yarn pickup slowly rotating in unwinding cheese is adjustable.
  • the suction nozzle stop depending on the diameter of the cheese, automatically adjusted over a multi-part lever linkage.
  • any change in the position of the suction nozzle stops to optimize the distance between the mouth of the suction nozzle and the surface of the cheese requires a time-consuming, manual intervention on the part of the operator.
  • the present invention seeks to develop a method and an apparatus which / improves the operation of the jobs of cheese-producing textile machines, especially of cheese winder.
  • the jobs of such textile machines should be designed so that problems that may occur in the Fadenendsuche or at the Fadenendability, can be reacted quickly and flexibly.
  • the inventive method in which the suction nozzle, starting from a sensory detected position of the suction nozzle, by the execution of a predetermined number of steps of a stepping motor in a yarn end receiving position is positioned so that the mouth of the suction nozzle is arranged at a defined distance from the surface of the cheese, has the particular advantage that the very important for a successful final thread take-up distance can not only be adjusted quickly and completely easily, but that if necessary, this distance, by appropriate control of the stepping motor, at any time easily corrected or optimized again.
  • the positioning of the suction nozzle in the yarn end receiving position can also be realized by a motor which is equipped with a flywheel.
  • the number of steps of the stepping motor in the course of a coil travel is adjusted so that they associated position change of the coil surface corresponds.
  • Cross-wound bobbin takes the suction nozzle successively different
  • Fadenendage einen takes place automatically, that is, there are no manual intervention by the operating personnel required.
  • the sensory detectable position of the suction nozzle is arranged at least as far away from the respective yarn end receiving position that, based on the pivot angle of the suction nozzle in the direction of the yarn end receiving position, always before the yarn end receiving position. In this way, it is ensured that the stepping motor, which pivots the suction nozzle into the yarn end receiving position, can always be operated with the current position data of the suction nozzle before swiveling the suction nozzle into the yarn end receiving position.
  • any malpositions of the suction nozzle for example, due to a temporary blockage of the suction nozzle, are recognized and taken into account at the latest at this time.
  • this sensor-sensed position in order to minimize possible errors, lies close to the yarn end receiving position, preferably not more than 100 steps before the yarn end receiving position.
  • the distance between the mouth of the suction nozzle and the surface of the cheese is the same at least at the start of a lot at all jobs.
  • the distance of the mouth of the suction nozzle to the surface of the cheese during a Fadenendsuch- and -abilityzyklus' of the suction nozzle is variable. That is, the Fadenendam ein the suction nozzle can be corrected immediately if it comes within a Fadenendsuch- and - pickup 'to one or more failed attempts (s) at the Fadenendam, which is detected for example by a sensor disposed within the suction nozzle.
  • Suction nozzle initially always performs a complete Fadenendsuch- and - recording cycle, the success, as indicated above, is monitored by a corresponding sensor device.
  • the yarn end receiving position of the suction nozzle is corrected so long, for example, depending on the successes or failures of Fadenendam.uche until the number of failed attempts at the Fadenending is minimized.
  • the determined values for the distance can be used as guideline values for the start in later yarn lots, whereby these values are then, if possible, optimized.
  • the suction nozzle can be moved slowly to the surface of the cheese and gently placed on the surface to release a yarn end, which has been fed by the Spulenantriebtroiranel in the surface of the cheese, (claim 11).
  • the loosened thread end is then detected by the suction nozzle, which in the meantime is again positioned in a predetermined yarn end receiving position, and, as usual, conveyed to the yarn splicing device.
  • suction nozzle as described in claim 12, are moved slowly to the surface of the sleeve for determining the inserted into the winding device sleeve format.
  • the number of steps of the stepping motor to stop the suction nozzle is detected by contact with the surface of the sleeve and processed, for example, in the textile machine's own control unit for calculating the sleeve format.
  • the suction nozzle for determining the inserted into the winding device sleeve format is slowly moved up to the surface of the sleeve as the starting position for determining the Fadenendamyak that the suction nozzle after contact with the Sleeve is pivoted back into the yarn end receiving position and the sleeve format is calculated from the number of steps.
  • the jobs where the inventive method is used, as set forth in claim 14, each have a winding device for winding a package and a suction nozzle for receiving a accumulated on the surface of the cheese package yarn end.
  • the suction nozzle has a drive designed as a stepper motor, which is connected to a spool point own control device and controllable so that the suction nozzle is positionable in predeterminable Fadenendamgna in which the mouth of the suction nozzle has a defined distance to the surface of the cheese.
  • stepper motors allow a relatively simple way an accurate and reproducible positioning of the suction nozzle. That is, the suction nozzle can be quickly and easily positioned in predeterminable Fadenendage einen, the necessary control effort is relatively low.
  • FIG. 1 is a side view of a job of a cheese-producing textile machine on which the inventive method is feasible, with a suction nozzle, which is positioned in its initial position,
  • Fig. 2 the job according to Fig.l, with a suction nozzle, which is positioned by its drive designed as a stepping motor in a yarn end receiving position.
  • FIGS. 1 and 2 show diagrammatically, in side view, a work station 2 of a textile machine, which is generally labeled with the reference numeral 1 and produces a textile machine.
  • textile machines of this type which are designed, for example, as spooling machines, have a multiplicity of these identical workstations, in this case winding stations 2, between their end frames (not shown).
  • the spin cords 3 which are produced for example on a ring spinning machine and have relatively few yarn material, are rewound into large-volume cheeses 5 on these winding stations 2.
  • Such automatic packages 1 usually have a logistics device in the form of a bobbin and tube transport system 6, in which 11 spinning cops 3 or empty tubes rotate on transport plates.
  • the individual winding units have, as is known and therefore only indicated, various devices which ensure the proper operation of such winding units 2.
  • control devices are each connected to a workstation own control device 31, wherein the control device 31 in turn is connected via a machine bus 33 to a central control unit 32 of the textile machine 1.
  • such workstations 2 include, inter alia, a pivotally mounted suction nozzle 24 and a pivotally mounted gripper tube 25.
  • the suction nozzle 24 is rotatably mounted limited to a pivot axis 23 and has a stepper motor designed as a drive 15 which is connected via a control line 36 to the workstation's own control device 31.
  • the suction nozzle 24 also has a sensor device 41, by which it is possible to check whether a thread take-up test of the suction nozzle 24 was successful.
  • a sensor 40 is installed in the region of the suction nozzle 24, by means of which the pivoting angle of the suction nozzle 24 can be controlled during its pivoting into the thread receiving position I.
  • Such work stations 2 generally also have a yarn splicing device 26, a thread tensioning device 30, a thread cleaner 28, a yarn tension force sensor 29 and a lower thread sensor 22.
  • the winding device which is generally designated by the reference numeral 4, has a coil frame 8 which is movably mounted about a pivot axis 12.
  • the freely rotatably supported in the coil frame 8 cross-wound bobbin 5 during the winding process with its surface 35 on a bobbin drive roller 9 and is driven by this via frictional engagement.
  • the running of the spinning cop 3 to the cheese 5 thread 16 is also traversed by a Fadenchangier Rhein 10, which has, for example, a finger-trained, acted upon by an electromechanical drive 14 yarn guide 13, between the two end faces of the cheese 5 during the winding process.
  • a cross-wound conveying device 7 is also arranged, via which finished cross-wound bobbins can be conveyed away.
  • the suction nozzle 24 can be pivoted by means of the stepping motor 15 from the initial position shown in Figure 1 in a yarn end receiving position I, in which the mouth 34 of the suction nozzle 24 is positioned at a defined distance a to the surface 35 of the cheese 5.
  • the distance a between the mouth 34 of the suction nozzle 24 and the surface 35 of the cheese 5 can be exactly adjusted by appropriate driving the stepper motor 15 and at any time, for example, depending on the results that are achieved in the Fadenendage be corrected.
  • the stepper motor designed as a drive 15 ensures that the suction nozzle 24 is transferred to a yarn end receiving position I, in which between the mouth 34 of the suction nozzle 24 and the surface 35 of the cheese 5, a defined distance a is given.
  • the correct angular position of the suction nozzle 24 is checked by means of a sensor device 40 which is positioned in the direction of the yarn end receiving position I before this.
  • the desired yarn end receiving position I of the suction nozzle 24 can be entered at the operating point-specific control device 31 or at the central control unit 32 of the textile machine 1.
  • FIG. 2 shows the suction nozzle 24 in one of the possible yarn end receiving positions I.
  • the suction nozzle 12 is positioned in the Fadenending ein I with its under horrbeetzmacherbaren mouth 34 at a distance a from the surface 35 of the yarn during the Fadenendam slowly in the unwinding direction 37 cross wound bobbin.
  • a successful Fadenendability that is, the presence of the upper thread in the suction nozzle 24 is detected by a sensor device 41 which is disposed within the suction nozzle 24 and connected via a corresponding signal line to the workstation's own control device 31.
  • the workstation computer 31 upon receipt of a corresponding signal from the sensor device 41, ensures that the stepping motor 15 pivots the suction nozzle 24 down again and inserts the picked-up upper thread into the yarn splicing device 26.
  • the suction nozzle 24 could thus not receive the upper thread from the surface 35 of the cross-wound bobbin 5, the suction nozzle 24 is positioned in a modified Fadenendage sued I.
  • the distance a between the mouth 34 of the suction nozzle 24 and the surface 35 of the cheese 5 is changed, usually reduced in practice.
  • the gripper tube 25 which is preferably also driven by a single motor, receives the lower thread connected to the spinning cop 3, pivots upwards and places the lower thread in the thread splicing device 26.
  • the yarn ends of upper and lower thread are first prepared in a known manner and then, as usual, pneumatically spliced to form a new thread 16. Following a successful splicing process, the winding process can be resumed at the winding unit in question.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un procédé de fonctionner un poste de travail (2) d'une machine textile (1) destinée à la production de bobines croisées et équipée d'un dispositif de bobinage (4) pour enrouler une bobine réceptrice (5) ainsi que d'une buse aspirante (24) pour recevoir une extrémité de fil passant sur la surface (35) de la bobine croisée (5) et pouvant être entraînée par un moteur unique. Conformément à l'invention, la buse aspirante (24) est positionnée en étant amenée de la position de la buse aspirante (24) détectée par un capteur à une position (I) de réception de l'extrémité du fil par la réalisation d'un nombre de pas prédéterminé d'un moteur pas à pas (15), l'embouchure (34) de la buse aspirante (24) présentant dans cette position de réception une distance définie (a) par rapport à la surface (35) de la bobine croisée (5).
EP07725394.6A 2006-06-08 2007-05-21 Procédé de fonctionnement du poste de travail d'une machine textile produisant des bobines croisées Active EP2029465B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006026548A DE102006026548A1 (de) 2006-06-08 2006-06-08 Verfahren zum Betreiben einer Arbeitstelle einer Kreutzspulen herstellenden Textilmaschine
PCT/EP2007/004487 WO2007140871A1 (fr) 2006-06-08 2007-05-21 Procédé de fonctionnement du poste de travail d'une machine textile produisant des bobines croisées

Publications (2)

Publication Number Publication Date
EP2029465A1 true EP2029465A1 (fr) 2009-03-04
EP2029465B1 EP2029465B1 (fr) 2016-05-04

Family

ID=38370912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07725394.6A Active EP2029465B1 (fr) 2006-06-08 2007-05-21 Procédé de fonctionnement du poste de travail d'une machine textile produisant des bobines croisées

Country Status (4)

Country Link
EP (1) EP2029465B1 (fr)
CN (1) CN101454231B (fr)
DE (1) DE102006026548A1 (fr)
WO (1) WO2007140871A1 (fr)

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DE102009058827A1 (de) * 2009-12-18 2011-06-22 Oerlikon Textile GmbH & Co. KG, 42897 Verfahren zum Betreiben einer Arbeitsstelle einer Spulmaschine und Arbeitsstelle einer Spulmaschine
JP5545593B2 (ja) * 2010-03-17 2014-07-09 村田機械株式会社 糸巻取機
DE102010021153A1 (de) * 2010-05-21 2011-11-24 Oerlikon Textile Gmbh & Co. Kg Bedienaggregat
JP2012218922A (ja) * 2011-04-13 2012-11-12 Murata Machinery Ltd 糸巻取機及び糸引き出し方法
CN103010840B (zh) * 2011-09-20 2016-12-21 村田机械株式会社 纱线卷取装置及动作原点位置调整方法
DE102012005988A1 (de) 2012-03-23 2013-09-26 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
JP2013252948A (ja) 2012-06-07 2013-12-19 Murata Machinery Ltd 繊維機械
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JP2014108845A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機
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DE102015013569A1 (de) 2015-10-20 2017-04-20 Saurer Germany Gmbh & Co. Kg Verfahren zum Kalibrieren eines Oberfadenerfassungsvorganges von Arbeitsstellen einer Kreuzspulen herstellenden Textilmaschine
DE102015014429A1 (de) * 2015-11-10 2017-05-11 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
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JP2019043737A (ja) * 2017-09-04 2019-03-22 村田機械株式会社 糸巻取機
CN108423496B (zh) * 2018-05-15 2023-08-29 江阴市凯业纺织机械制造有限公司 一种自动络筒机自动找头设备用吸头拽头装置
DE102018112802A1 (de) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine sowie Textilmaschine
DE102020102793A1 (de) 2020-02-04 2021-08-05 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Arbeitsstelle einer Garnspulen herstellenden Textilmaschine
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Also Published As

Publication number Publication date
EP2029465B1 (fr) 2016-05-04
WO2007140871A1 (fr) 2007-12-13
CN101454231A (zh) 2009-06-10
CN101454231B (zh) 2013-03-20
DE102006026548A1 (de) 2007-12-13

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