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EP2801646B1 - Procédé de fonctionnement d'un métier à filer à bout libre, du type filature à rotor - Google Patents

Procédé de fonctionnement d'un métier à filer à bout libre, du type filature à rotor Download PDF

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Publication number
EP2801646B1
EP2801646B1 EP14001274.1A EP14001274A EP2801646B1 EP 2801646 B1 EP2801646 B1 EP 2801646B1 EP 14001274 A EP14001274 A EP 14001274A EP 2801646 B1 EP2801646 B1 EP 2801646B1
Authority
EP
European Patent Office
Prior art keywords
spinning
rotor
negative pressure
machine
jobs
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.)
Active
Application number
EP14001274.1A
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German (de)
English (en)
Other versions
EP2801646A1 (fr
Inventor
Jürgen Meyer
Maximilian Preutenborbeck
Michael Spitzer
Heinz-Georg Wassenhoven
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
Saurer Germany GmbH and Co KG
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Publication date
Application filed by Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2801646A1 publication Critical patent/EP2801646A1/fr
Application granted granted Critical
Publication of EP2801646B1 publication Critical patent/EP2801646B1/fr
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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
    • D01H4/42—Control of driving or stopping
    • D01H4/44—Control of driving or stopping in rotor spinning
    • 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
    • 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

Definitions

  • the invention relates to a method for operating an open-end rotor spinning machine having a plurality of jobs, each having a spinner with a sauchristbeaufschlagbaren rotor housing in which a spinning rotor rotates at high speed, for producing a thread and a winding device for producing a cross-wound bobbin , wherein the connection of the jobs to a central vacuum supply is switched off.
  • Open-end rotor spinning machines have long been known and usually consist of a plurality of juxtaposed in series, similar jobs. In addition, they have a central control device and a spinning machine's own vacuum system. Each of these jobs has a spinning and a winding device, where the sliver presented in a sliver can be spun into a yarn and wound into a cheese.
  • the presented sliver is fed by means of a sliver feed cylinder of the opening roller, which dissolves the sliver in individual fibers with their clothing and transported to Faserleitkanal the spin box.
  • the fiber transport is supported by the existing in the rotor housing vacuum, which generates an air flow in the fiber guide, dissolves the fibers from the Auflettegarnitur and transported via the so-called channel plate adapter targeted in the spinning rotor.
  • the fibers slip into the collection groove of the spinning rotor, where they are collected, drawn off axially through the draw-off nozzle in the axis of rotation and thus turned into a yarn which is wound onto a cross-wound bobbin.
  • EP 0 529 312 B1 discloses an open-end rotor spinning machine having in the suction line for generating the spinning vacuum in the rotor housing via a valve with quick exhaust.
  • the valve By means of the valve, the aspiration of the rotor housing is interrupted before piecing.
  • the fibers are not, as usual during the spinning process, sucked through the fiber guide channel, but through the suction opening of the opening roller.
  • the rotor housing is again subjected to negative pressure. Timed to match the suction is completed by the suction opening of the opening roller.
  • the DE 10 2006 037 849 A1 discloses an open-end spinning machine and a method for controlling an open-end spinning machine during a piecing operation when re-spun a thread or after a thread break. Based on the fact that the Neuanspinnen after closing the housing by means of so-called scavenging the rotor interior of subsequently introduced and there accumulated impurities is cleaned, that each spinning station requires its own scavenging and that the piecing / maintenance equipment additionally appropriate connections for introducing the scavenging air must have a re-spinning of the yarn with reduced device and procedural effort to be made possible.
  • a rotor spinning apparatus which is intended to provide yarn of increased uniformity and to provide control means for the spinning units themselves.
  • a mechanical probe is arranged at each workstation between the spinning device and the winding device, which causes the closure of a valve in the absence of yarn and thus the relevant job is excluded from the negative pressure.
  • the Saugluftzussel is therefore mainly interrupted in order to avoid clogging of the Faserleitkanals at a standstill.
  • the present invention seeks to develop a method that optimizes the vacuum consumption of an open-end rotor spinning machine.
  • the DE 10 2007 006 679 A1 discloses a textile machine on which, if necessary, the maximum possible number of jobs of the textile machine is supplied with the required negative pressure, being ensured that the negative pressure in the Saug Kunststoffstrom the textile machine may not fall below a basic requirement of the textile machine representing value. This will be done according to the DE 10 2007 006 679 A1 achieved by the drive motor of the Saug Kunststoffaggregates is accelerated to its maximum speed with increased vacuum demand, so that "more" negative pressure is generated.
  • the advantages achieved by the invention are in particular to switch non-producing groups of jobs via the central control unit and to exempt from the negative pressure.
  • these can be sections or section pages. For example, if the open-end rotor spinning machine temporarily only produces on the work sites of one side of the machine, then the entire side whose work stations are stationary can be excluded from the vacuum supply. This would be possible for example by an additional branch of the vacuum duct system, which applies negative pressure to the sections or machine sides.
  • the vacuum is constantly supplied to all the spinning devices, regardless of whether the spinning device produces yarn.
  • the negative pressure supply according to the prior art is ineffective.
  • the negative pressure for spinning is needed only for the to be started and the already producing jobs.
  • the machine can be started up faster. Since only the spinning stations are subjected to negative pressure, which actually spindle, according to the invention can now spin more spinning stations at the same time. While up to now spinning machines could spin on about 12 spinning stations at the same time, with the method according to the invention more than 20 spinning stations are involved. In this way, the efficiency of the open-end rotor spinning machine is achieved faster.
  • the control devices of the first twenty jobs are activated via switching elements, not shown. Then close at these twenty jobs, the corresponding solenoid valves and the pinch valves open. The pressure in the pressure lines of the respective work stations decreases as a result, and the selected jobs are subjected to sufficient negative pressure, so that new threads can be spun. After the first twenty jobs have completed the piecing process, the next twenty jobs can be vacuumed for piecing.
  • valve in the suction line for generating the spinning vacuum in the rotor housing of the total intake cross-section of the ventilation system is limited to the necessary level, which in turn leads to an increase in the system vacuum.
  • This increased negative pressure can be reduced by reducing the fan speed back to a previously set pressure value. The speed reduction leads to an overall reduced power consumption.
  • the FIG. 1 schematically shows a front view of an open-end rotor spinning machine 1.
  • the open-end rotor spinning machine 1 has a plurality between two end frames 2 and 3 arranged, largely self-sufficient jobs 4.
  • the end racks 2, 3 of this open-end rotor spinning machine 1 are, as known and therefore not shown in detail, connected through continuous supply and disposal channels, for example a vacuum channel for supplying the arranged in the field of jobs 4 spinning devices 5 with spinning vacuum, an electronic channel for a bus system 13 and a cable channel for supplying the work stations 4 with electrical energy.
  • the yarn-forming and winding devices of the workstations 4 are defined on job site housing 6.
  • a textile machine's own vacuum source 9 is arranged, while in the end frame 2 a (not shown) electrical power supply and a central control unit 10 of the open-end rotor spinning machine 1 is integrated.
  • the central control unit 10 which has a memory device 20 via a computer device 12, is connected to the control devices 8 of the individual workstations 4 via a bus system 13 or the like.
  • the central control unit 10 further has an operating unit 17.
  • the operating unit 17 By means of the operating unit 17, it is possible to input and display parameters which are required for controlling the open-end rotor spinning machine 1 and the work stations 4.
  • the operating unit 17 has a keypad-shaped device 11 for inputting the parameters and a display means 19 designed as a screen.
  • the screen 19 can also be designed as a touchscreen and thus additionally assume the input function. Such a Above all, touchscreen is ideal for making a selection within a menu.
  • the entered parameters are stored in the memory 20 of the computer device 12.
  • the memory 20 contains information as to which parameters are to be set for a specific type of change in the mode of operation of the open-end rotor spinning machine 1. For this purpose groups of parameters are assigned to the modes of change of the method of operation.
  • FIG. 1 can be seen on the numerous jobs 4 each by means of the spinning device 5, a master fiber tape 14, which is stored in sliver cans 15, which are positioned in series next to each other below the jobs 4, spun into a thread 16, which then on the winding device 7 to a cross-wound bobbin 18 is wound up.
  • spinning device of an open-end rotor spinning machine 1 carries a total of the reference number. 5
  • Such spinning devices 5 have, as is known, a rotor housing 21 in which the spinning cup 22 of a spinning rotor 23 rotates at high speed.
  • the spinning rotor 23 is supported with its rotor shaft 24 in the bearing gusset of a preferably axially thrust-free support disk bearing 25.
  • the spinning rotor 23 is thereby driven by a machine-tangential belt 26, which is made by a pressure roller 27 to the rotor shaft 24.
  • the axial positioning of the rotor shaft 24 in the Lagerzwickel the support disk bearing 25 is preferably carried out via a permanent magnetic thrust bearing 28th
  • the spinning rotor 23 could of course also be driven by a single motor and, for example, be supported without contact in a permanent magnet bearing.
  • the cover element 29 has a channel plate 31 with a seal 32 preferably positioned in an annular groove.
  • a channel plate adapter 34 is arranged, which has the mouth region of a Faserleitkanals 35.
  • channel plate adapter 34 is equipped with a yarn draw-off nozzle 36 and on the output side with a yarn draw-off tube 37.
  • lid member 29 which is rotatably mounted limited to a pivot axis 38, an opening roller housing 39 and the opening roller housing 39 is integrated in the lid member 29, the further rear bearing brackets 40, 41 for mounting an opening roller 42 and a sliver feed cylinder 43 has.
  • the opening roller 42 is thereby driven in the region of its whorl 44 by a rotating, machine-long tangential belt 45, while the drive (not shown) of the sliver feed cylinder 43 preferably via a worm gear arrangement, which is connected to a machine-length drive shaft 46.
  • individual motor drives for the opening roller 42 and / or the sliver feed cylinder 43 can of course also be provided here.
  • the yarn 16 produced in the vacuum-pressurized spinning device 5 is drawn off by the yarn draw-off device and then wound up on the winding device 7 to form a cross-wound bobbin 18.
  • the thread 16 coming to the reel is laid by means of the thread-changing device (not shown) in such a way that it runs onto the lateral surface of the cross-wound bobbin 18 in crossing positions.
  • the drive of the sliver feed cylinder 43 to interrupt the fiber feed to the opening roller 42 and thus ultimately into the spinning rotor 23 off and initiates the lifting of the cheese 18 from the bobbin drive roller so that the yarn end 16 can not einwalken in the cheese surface 18.
  • the solenoid valve 49 receives a corresponding signal. Thereafter, the solenoid valve 49 turns and the passage between the pressure line 48 and the pressure line 50 connected to a loop 51 is opened.
  • the ring line 51 acts on a plurality of jobs 4 with overpressure.
  • the compressed air from the ring line 51 flows through the pressure lines 48 and 50 in the pinch valve 47 and closes the pressure line 30.
  • the rotor housing 21 is no longer subjected to negative pressure.
  • the thread end 16 Since the thread end 16 is usually pulled out of the spinning box due to the high winding speed after the yarn breakage, the thread end 16 has to be found on the raised from the bobbin drive roller cross-wound bobbin 18 and some layers are unwound.
  • the thread end 16 has to be introduced against the normal withdrawal direction through the thread withdrawal tube 37 and the withdrawal nozzle 36 in the direction of the spinning rotor 23.
  • the solenoid valve 49 receives the signal to close. Thereupon, the pinch valve 47 opens and the pressure in the pressure line 48 decreases. The rotor housing is again subjected to the necessary negative pressure for spinning.
  • the control devices of the first twenty jobs 4 are activated via switching elements, not shown. Then close at these twenty jobs 4, the corresponding solenoid valves 49 and the pinch valves 47 open. As a result, the pressure in the pressure lines 48 of the respective work stations 4 decreases and the selected work stations 4 are subjected to sufficient negative pressure, so that new threads can be spun. After the first twenty jobs have 4 completed the piecing process, the next twenty jobs 4 can be applied for spinning with negative pressure.

Landscapes

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

Claims (1)

  1. Procédé d'actionnement d'une machine (1) à rotor de filature à fibres libérées, comprenant une multiplicité de postes de travail (4) équipés, respectivement, d'un dispositif de filage (5) présentant un carter rotorique (21) pouvant être sollicité par une pression négative, dans lequel un rotor de filage (23) tourne à vitesse angulaire élevée en vue de confectionner un fil (16), ainsi que d'un dispositif de bobinage (7) conçu pour produire une bobine croisée (18), la possibilité étant offerte de rompre la liaison desdits postes de travail (4) avec une alimentation centrale en pression négative,
    caractérisé par le fait
    que la sollicitation du carter rotorique, par une pression négative, s'opère par groupes pour plusieurs postes de travail (4) et est cantonnée aux dispositifs de filage produisant du fil, ainsi qu'aux dispositifs de filage effectuant une reprise du filage ; et par le fait que la régulation de la pression négative totale de la machine a lieu en fonction du nombre desdits postes de travail (4) qui sont alimentés en pression négative.
EP14001274.1A 2013-05-11 2014-04-07 Procédé de fonctionnement d'un métier à filer à bout libre, du type filature à rotor Active EP2801646B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201310008107 DE102013008107A1 (de) 2013-05-11 2013-05-11 Verfahren zum Betreiben einer Offenend-Rotorspinnmaschine

Publications (2)

Publication Number Publication Date
EP2801646A1 EP2801646A1 (fr) 2014-11-12
EP2801646B1 true EP2801646B1 (fr) 2017-03-22

Family

ID=50478134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14001274.1A Active EP2801646B1 (fr) 2013-05-11 2014-04-07 Procédé de fonctionnement d'un métier à filer à bout libre, du type filature à rotor

Country Status (5)

Country Link
US (1) US9103053B2 (fr)
EP (1) EP2801646B1 (fr)
CN (1) CN104141185B (fr)
DE (1) DE102013008107A1 (fr)
IN (1) IN2014MU01373A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014119380A1 (de) * 2014-12-22 2016-06-23 Rieter Ingolstadt Gmbh Rotorspinnmaschine mit einer Vielzahl von Arbeitsstellen und einer Absaugeinrichtung
CZ2015232A3 (cs) 2015-04-03 2016-10-12 Rieter Cz S.R.O. Způsob a zařízení k odstranění vadného úseku příze z pracovního místa dopřádacího stroje
DE102015016594A1 (de) * 2015-12-19 2017-06-22 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Offenend-Rotorspinneinrichtung und Offenend-Rotorspinnmaschine mit einer Vielzahl nebeneinander angeordneter Offenend-Rotorspinneinrichtungen
EP3260584B1 (fr) 2016-06-15 2021-10-27 Rieter Ingolstadt GmbH Procédé destiné à optimiser la production d'une machine à filer à bout libre
DE102016117302A1 (de) 2016-09-14 2018-03-15 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102018102135A1 (de) * 2018-01-31 2019-08-01 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben einer Textilmaschine und eine Textilmaschine
EP3853400A1 (fr) * 2018-09-19 2021-07-28 Maschinenfabrik Rieter AG Procédé de fonctionnement d'un robot d'entretien d'un métier à filer à anneaux
DE102018131767A1 (de) 2018-12-11 2020-06-18 Saurer Spinning Solutions Gmbh & Co. Kg Kreuzspulen herstellende Textilmaschine
CN109695076B (zh) * 2019-01-18 2020-11-24 安徽日发纺织机械有限公司 一种转杯纺基于引纱卷绕生头装置的节能启动方法
DE102019116475A1 (de) * 2019-06-18 2020-12-24 Saurer Spinning Solutions Gmbh & Co. Kg Optimierung des Betriebes einer Spinnmaschine
DE102019125672A1 (de) * 2019-09-24 2021-03-25 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine und eine Kreuzspulen herstellende Textilmaschine
IT201900021258A1 (it) * 2019-11-15 2021-05-15 Hayabusa S R L Dispositivo di giunzione di fili tessili e relativo metodo di giunzione

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DE3441677C3 (de) * 1984-08-08 1994-02-24 Rieter Ingolstadt Spinnerei Verfahren und Vorrichtung zum Anspinnen einer Offenend-Spinnvorrichtung
DE3437573A1 (de) * 1984-10-13 1986-04-17 Fritz 7347 Bad Überkingen Stahlecker Oe-friktionsspinnmaschine
ES2027004T3 (es) * 1987-03-13 1992-05-16 John D. Hollingsworth On Wheels Inc. Aparato de hilatura por friccion.
DE3726531C1 (de) * 1987-08-10 1988-12-08 Schubert & Salzer Maschinen Offenend-Spinnvorrichtung und Verfahren zum Anfahren einer solchen Vorrichtung
FR2641772B1 (fr) * 1989-01-19 1991-12-13 Madelaine Sa Filatures Procede et dispositif perfectionnes d'enroulement de fil et bobine croisee obtenue
DE4126282A1 (de) 1991-08-08 1993-02-11 Rieter Ingolstadt Spinnerei Spinnereivorrichtung
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DE102006037849A1 (de) * 2005-08-12 2007-02-15 Rieter Ingolstadt Spinnereimaschinenbau Ag Verfahren zur Steuerung einer Offenend-Spinnmaschine und Offenend-Spinnmaschine
DE102007006679B4 (de) 2007-02-10 2018-05-30 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
DE102007048720B4 (de) * 2007-10-11 2019-01-31 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Offenend-Rotorspinnmaschine
CN201183863Y (zh) * 2008-04-29 2009-01-21 汉中华燕纺织机械制造有限公司 转杯纺纱机的纺纱器
CN102776618B (zh) * 2012-08-14 2014-10-29 温岭市日盛机械有限公司 一种抽气式转杯纺纱机的纺纱器

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Also Published As

Publication number Publication date
US20140360151A1 (en) 2014-12-11
US9103053B2 (en) 2015-08-11
DE102013008107A1 (de) 2014-11-13
CN104141185A (zh) 2014-11-12
EP2801646A1 (fr) 2014-11-12
CN104141185B (zh) 2018-10-19
IN2014MU01373A (fr) 2015-09-04

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