EP1910593A1 - Procede d'utilisation d'un dispositif de filage a sortie ouverte - Google Patents

Procede d'utilisation d'un dispositif de filage a sortie ouverte

Info

Publication number
EP1910593A1
EP1910593A1 EP06753702A EP06753702A EP1910593A1 EP 1910593 A1 EP1910593 A1 EP 1910593A1 EP 06753702 A EP06753702 A EP 06753702A EP 06753702 A EP06753702 A EP 06753702A EP 1910593 A1 EP1910593 A1 EP 1910593A1
Authority
EP
European Patent Office
Prior art keywords
piecing
opening roller
spinning
speed
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
EP06753702A
Other languages
German (de)
English (en)
Other versions
EP1910593B1 (fr
Inventor
Manfred Lassmann
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.)
Oerlikon Textile 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 EP1910593A1 publication Critical patent/EP1910593A1/fr
Application granted granted Critical
Publication of EP1910593B1 publication Critical patent/EP1910593B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D01H4/50—Piecing arrangements; Control therefor for rotor spinning
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • D01H4/44—Control of driving or stopping in rotor spinning

Definitions

  • the present invention relates to a method for operating an open-end spinning device according to the preamble of claim 1.
  • the piecing is usually carried out at the individual spinning stations of the open-end rotor spinning machines by a spinning along the spinning machine piecing, the so-called piecing.
  • the opposite of the operating speed of the opening roller higher Anspinnnaviere causes a higher fiber throughput, whereby after the structure of the fiber ring during the piecing process in the spinning rotor such a quantity of fiber ready for piecing that after processing of the fiber ring no delay-induced fiber deficiency arises, which causes a thin spot.
  • the higher piecing speed of the opening roller moreover achieves a more effective combing out of the fibers, which additionally leads to an improvement in the piecing behavior.
  • the Anspinnnaviere the opening roller should be achieved before the beginning of piecing.
  • the reproducibility of the fiber feed required for the quality of the piecing is achieved. Since the combing out of the fibers always takes place at the same piecing speed of the opening roller, the spinning rotor is always supplied with the same amount of fiber during piecing.
  • the piecing speed of the opening roller can be maintained during the complete processing of the draw-in addition.
  • the increased fiber throughput is kept constant even beyond the completion of the actual piecing process in order to avoid, as desired, a thin spot following the piecer.
  • the piecing speed becomes the opening roller reduced to the normal spinning operation adapted operating speed. This serves to ensure the yarn uniformity of the yarn to be spun.
  • the open-end spinning device can be operated both for the piecing process and for the spinning operation with an opening roller speed optimally adapted to these processes.
  • the speed control of the opening roller during the piecing process and the process of Einzugsaufadd ist of other, these operations affecting parameters independently by a control device is achieved by the use of single-motor drives, for example for the spinning rotor and the opening roller, which are each connected via signal lines to the control device and are independently controlled by them.
  • FIG. 1 shows an open-end rotor spinning device with single motor drives at least for spinning rotor, opening roller and a control device for these drives;
  • Figure 2 shows the profile of a piecer at a piecing speed of the opening roller of 5,500 revolutions per minute.
  • FIG. 3 shows the profile of a piecing at a piecing speed of the opening roller of 10,000 revolutions per minute.
  • the illustration in FIG. 1 shows an open-end spinning device 1 of an open-end rotor spinning machine, which are arranged in the region of the spinning stations of such textile machines.
  • Such open-end spinning devices 1 are known in principle and described in detail in DE 196 50 597 A1, for example.
  • the open-end spinning device 1 comprises a spinning rotor 2 with rotor cup 4, which during the spinning operation at high speed in a pressurizable with a vacuum
  • Spinning rotor housing 5 rotates.
  • the spinning rotor 2 is defined by a controllable electric motor single drive 3, which is connected via electrical lines 20 to the power supply 23 of the textile machine concerned, driven.
  • the electromotive single drive 3 is connected for this purpose via at least one signal line 22 to a control device 21.
  • the cover element 8 which closes the rotor housing 5 during the spinning operation, is mounted so as to be limitedly rotatable about a pivot axis 16, so that the stationary spinning rotor 4 is accessible as required.
  • a so-called channel plate adapter 9 is inserted, to which a thread withdrawal tube 10 is connected.
  • the cover element 8 has an opening roller housing 11, in which an opening roller 12 rotated, which is fixed with its bearing shaft 17 in a rear bearing bracket 14 of the opening roller housing 11.
  • the opening roller 12 is driven by an electromotive single drive 24, which is designed as an external rotor, and has a contact track device 18 for easily releasable coupling to the power supply 23 of the open-end rotor spinning machine in the end region of its bearing shaft 17.
  • the electromotive single drive 24 is also connected via a signal line to the control device 21 and controlled via this.
  • In Auflensewalzengeophen 11 also a sliver feed cylinder 13 is rotatably mounted, which can be acted upon by a motor 15, preferably a stepper motor, by an electric motor. Also, the drive 15 is connected via an electric line 26 to the power supply 23 of the textile machine and a signal line 25 to the controller 21.
  • the spinning device 1 After the occurrence of an interruption of the spinning process by detecting the absence of a thread by means of a fader monitoring device, not shown, the spinning device 1 is initially set still. Subsequently, a piecing process for thread connection is initiated.
  • the piecing process begins with fiber bargaining to provide the same conditions for the piecing process, regardless of how long the shutdown of the spinning device 1 lasts.
  • the spinning rotor 2 Following the Faserbartegalmaschine is first the spinning rotor 2, which has a speed of about 120,000 min "1 or more in the spinning operation, so high that the spinning rotor 2 has a required for the successful implementation of the piecing operation minimum speed, in particular the execution and operating speed of the respective spinning rotor 2 is dependent.
  • the control of the single-motor drive 3 of the spinning rotor 2 takes place for this purpose by the control device 21st
  • the controller 23 controls the controller 23 such that it has an independent of the minimum speed of the spinning rotor 2 Anspinnnaviere, which is above the operating speed.
  • the piecing speed is preferably between 10% and 40% above the operating speed of the opening roller 11 in the spinning operation.
  • the piecing speed is reached before the start of the piecing process. With the beginning of piecing the sliver is combed out more intensively by the rotating with the higher piecing speed opening roller 12 and the
  • the prepared for piecing yarn end is introduced through the exhaust pipe 10 in the rotating spinning rotor 2, where it strikes the fiber ring previously constructed in the spinning rotor 2.
  • the thread end breaks up the fiber ring and connects to the fibers that deposit at the thread end, creating the piecing.
  • the subsequent addition of the thread to the fiber ring process of the intake charge addition serves to delay the occurring fiber supply between the Pre-feed for piecing and re-starting the fiber supply to compensate.
  • a delay of the fiber feed causes the yarn during the startup of the spinning rotor 2 has irregularities in the form of a thin spot, which occur immediately after the piecer and affect the quality of the thread lasting. Over the period for performing the piecing and the draw-in addition, the rotational speed of the spinning rotor 2 increases smoothly until the operating speed is reached.
  • FIG. 2 shows a diagram of a thread profile in the piecing region, which results at a piecing speed of the opening roller 12 of approximately 5,500 min -1 .
  • a thin spot forms after the piecing Deviation from the thread profile is compensated for later in the course of the thread length to the desired thread profile when the open-end spinning device 1 has reached its operating state after the piecing process, that is, if, among other things, the opening roller 12 and the spinning rotor 2 are driven at their respective operating speeds ,
  • Fig. 3 shows a thread profile in the piecing area, which results at a piecing speed of the opening roller 12 of about 10,000 min -1 .
  • a thread profile is formed, which almost corresponds to the thread profile which is achieved during the spinning process This is due to the increase in the amount of fiber provided, which is achieved by the increased piecing speed of the opening roller 12.
  • the piecing speed of the opening roller 12 is only after the completion of the intake charge addition to the for the spinning operation required optimum operating speed of the opening roller 12 is reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un procédé d'utilisation d'un dispositif de filage à sortie ouverte (1) comportant un rotor de filage (2) et un cylindre couvert (12) pouvant être entraînés individuellement de façon commandée. Après apparition d'une interruption du processus de filage par détection de l'absence de fil, un processus de démarrage de filage est lancé. Ce processus comporte les étapes suivantes : un processus d'attachage au cours duquel un fil supérieur pénètre dans un anneau de fibres formé dans le rotor de filage, et se lie à celui-ci ; et un processus d'addition de rentrage servant à réduire une zone de rétrécissement de fil consécutive au fileur. Au cours du processus de démarrage de filage, le cylindre couvert (2) est temporairement entraîné à une vitesse de rotation de filage supérieure à la vitesse de rotation de fonctionnement du cylindre couvert (12).
EP06753702A 2005-07-19 2006-05-18 Procede d'utilisation d'un dispositif de filage a sortie ouverte Ceased EP1910593B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005033562A DE102005033562A1 (de) 2005-07-19 2005-07-19 Verfahren zum Betreiben einer Offenend-Spinnvorrichtung
PCT/EP2006/004711 WO2007009525A1 (fr) 2005-07-19 2006-05-18 Procede d'utilisation d'un dispositif de filage a sortie ouverte

Publications (2)

Publication Number Publication Date
EP1910593A1 true EP1910593A1 (fr) 2008-04-16
EP1910593B1 EP1910593B1 (fr) 2012-04-25

Family

ID=36910894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06753702A Ceased EP1910593B1 (fr) 2005-07-19 2006-05-18 Procede d'utilisation d'un dispositif de filage a sortie ouverte

Country Status (5)

Country Link
US (1) US7644570B2 (fr)
EP (1) EP1910593B1 (fr)
CN (1) CN101223305B (fr)
DE (1) DE102005033562A1 (fr)
WO (1) WO2007009525A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005059078A1 (de) * 2005-12-10 2007-06-14 Saurer Gmbh & Co. Kg Verfahren zum Anspinnen eines Fadens sowie Rotorspinnmaschine zur Durchführung des Verfahrens
DE102008055845A1 (de) * 2008-11-04 2010-05-06 Oerlikon Textile Gmbh & Co. Kg Offenend-Spinnvorrichtung
DE102009030677A1 (de) * 2009-06-26 2010-12-30 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitsstelle und Arbeitsstelle einer Offenend-Rotorspinnmaschine
IT201600071598A1 (it) * 2016-07-08 2018-01-08 Savio Macch Tessili Spa Metodo di levata in una macchina di filatura di tipo open-end
DE102018105933A1 (de) * 2018-03-14 2019-09-19 Maschinenfabrik Rieter Ag Verfahren zum Bilden einer Fadenschlaufe und zum Separieren eines anzusetzenden Fadenstücks und eines abzuführenden Fadenstücks, Druckrollereinheit sowie Saugdüse

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3425345A1 (de) * 1984-07-10 1986-01-30 Trützschler GmbH & Co KG, 4050 Mönchengladbach Verfahren und vorrichtung zum erzeugen einer gleichmaessigen, kontinuierlichen fasermenge
DE3440009C2 (de) * 1984-11-02 1994-07-07 Schlafhorst & Co W Verfahren und Vorrichtung zum Bilden eines Anspinners
CN1027766C (zh) * 1984-11-15 1995-03-01 舒伯特-萨尔泽机械制造股份公司 用于自由端纺纱装置中纱线接头的方法及装置
DE3716728A1 (de) * 1987-05-19 1988-12-01 Schlafhorst & Co W Verfahren und vorrichtung zum ueberwachen der anspinner in einem oe-spinnaggregat
DE3903782C2 (de) * 1989-02-09 1994-02-24 Rieter Ingolstadt Spinnerei Verfahren zum Anspinnen einer Offenend-Spinnvorrichtung und Offenend-Spinnmaschine mit einer Einrichtung zum Anspinnen einzelner oder mehrerer Spinnvorrichtungen
DE4030100C2 (de) 1990-09-22 2000-03-23 Schlafhorst & Co W Verfahren und Einrichtung zum Bestimmen der Änderungen von Kriterien eines automatischen Anspinnvorgangs
US5509261A (en) * 1993-03-26 1996-04-23 W. Schlafhorst Ag & Co. Stepping motor arrangement for driving a silver feed roller in a rotor spinning machine
DE4309947A1 (de) * 1993-03-26 1994-09-29 Schlafhorst & Co W Spinnstelle an einer Rotorspinnmaschine
DE19650597B4 (de) 1996-12-06 2005-06-09 Saurer Gmbh & Co. Kg Auflöseeinrichtung eines Offenend-Spinnaggregates
DE19955674A1 (de) * 1999-11-19 2001-05-23 Schlafhorst & Co W Anspinnvorrichtung mit einer Auswerteeinrichtung zur Ermittlung von Parametern eines automatischen Anspinnvorgangs
DE10062096B4 (de) * 1999-12-29 2012-06-14 Rieter Ingolstadt Gmbh Spinnmaschine mit mehrere Einzelantriebe aufweisenden Spinnstellen
CZ290468B6 (cs) * 2000-07-26 2002-07-17 Rieter Cz A. S. Způsob zapřádání příze na pracovním místě rotorového dopřádacího stroje a zařízení k jeho provádění
CN1282780C (zh) * 2002-09-06 2006-11-01 东华大学 转杯纺纱机半自动接头装置
DE10338842A1 (de) 2003-08-23 2005-03-17 Saurer Gmbh & Co. Kg Auflösewalze für eine Offenend-Spinnvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007009525A1 *

Also Published As

Publication number Publication date
US20090120052A1 (en) 2009-05-14
DE102005033562A1 (de) 2007-01-25
EP1910593B1 (fr) 2012-04-25
US7644570B2 (en) 2010-01-12
CN101223305A (zh) 2008-07-16
WO2007009525A1 (fr) 2007-01-25
CN101223305B (zh) 2011-08-31

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