EP2209935B1 - Procédé d'actionnement d'un poste d'une machine textile produisant des bobines croisées - Google Patents

Procédé d'actionnement d'un poste d'une machine textile produisant des bobines croisées Download PDF

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Publication number
EP2209935B1
EP2209935B1 EP08846723A EP08846723A EP2209935B1 EP 2209935 B1 EP2209935 B1 EP 2209935B1 EP 08846723 A EP08846723 A EP 08846723A EP 08846723 A EP08846723 A EP 08846723A EP 2209935 B1 EP2209935 B1 EP 2209935B1
Authority
EP
European Patent Office
Prior art keywords
drive
workstation
opening roller
power consumption
motor current
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
EP08846723A
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German (de)
English (en)
Other versions
EP2209935A1 (fr
Inventor
Detlef Schelter
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
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Oerlikon Textile GmbH and Co KG
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Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2209935A1 publication Critical patent/EP2209935A1/fr
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Publication of EP2209935B1 publication Critical patent/EP2209935B1/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
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • 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
    • D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
    • D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers

Definitions

  • the invention relates to a method for operating a workstation of a cross-wound textile machine according to the preamble of claim 1.
  • Textile machines producing cross-wound bobbins which have a plurality of similar workstations, each having an open-end spinning device for manufacturing a thread and a winding device for producing a cross-wound bobbin, have long been known in the textile machine industry in various embodiments and described in numerous patents.
  • the open-end spinning devices of the work stations are equipped with a sliver-opening device whose opening roller is preferably driven by a machine-tangential belt.
  • opening rollers In connection with sliver-opening devices of open-end spinning devices, however, opening rollers are known which are acted upon by a single electric motor drive ( DE 43 09 947 A1 . DE 100 54 697 A1 . DE 103 38 842 A1 ).
  • an open-end spinning device can only work if the associated sliver-opening device always supplies the required number of individual fibers to the spinning rotor, which combs the opening roller for this purpose continuously from a master fiber tape.
  • sensor devices are known in connection with can transport devices, is intended to prevent that the sliver end of a sliver completely enters the sliver-opening device of a job disadvantageous in these known devices, however, that this is usually sensitive sensor devices relative to the in Spinners are almost inevitable dust and fiber fly.
  • the present invention seeks to develop a cost-effective and reliable method with which can be determined in a simple manner, whether in the sliver-opening device of an open-end spinning still original fiber ribbon is fed, or if the sliver Opening device of the relevant job is already idle.
  • the inventive method in which the motor current is monitored for the electromotive single drive of the opening roller and is closed from the measured value of the power consumption of this drive on the presence or absence of a template sliver in the field of opening roller has the advantage that for monitoring the Sliver no sensitive sensors is needed.
  • the measured value of the power consumption processed in a control device of the work to fall below a lower threshold for the power consumption of the electric motor drive the opening roller interpreted as a lack of a master fiber ribbon and the job immediately stops.
  • shut down jobs are preferably also, as described in claim 5, characterized by the setting of a signal.
  • the setting of a signal not only prevents the service unit from being blocked at a workstation that can not be operated, but also immediately signals to the operator of the textile machine that action is required at the relevant workstation.
  • This signal is also set at the workstation of a textile machine when the textile machine has self-sufficient workstations, that is, when the workstations "normal" spin breaks on its own, without the help of a service unit fix.
  • the work in question is shut down when, after activation of the Faserbandzu GmbHzylinders the power consumption of running at operating speed drive the opening roller does not rise significantly.
  • the opening roller idles is significantly lower than the power of a revolving at operating speed drive, the opening roller combs out a feed belt, can from the lack of a significant increase in power consumption of the drive when switching the sliver feed reliable and simply be closed to the absence of a template fiber band.
  • the determination of the instantaneous power consumption of the electromotive drive of the opening roller by measuring the motor current of the drive take place in that at least one corresponding measuring coil, which is preferably connected to the spinning station's own control device, at least one of the phases of the power supply Drive is positioned.
  • a voltage is thereby induced, which is proportional to the current flowing in the relevant phase motor current, and which can be measured directly at the measuring coil.
  • a shunt resistor a so-called shunt
  • a so-called shunt is integrated into one of the phases of the power supply.
  • the sensor elements described above are inexpensive and insensitive to the hardly permeated in spinners dust-penetrated atmosphere.
  • the measurement of the motor current takes place either directly or indirectly based on controller parameters or controlled variables, without the need for an additional sensor, directly via the existing driver circuit.
  • FIG. 1 schematically shows a front view of an open-end rotor spinning machine 1, the end frames 2, 3, as known and therefore not shown in detail, through through supply and disposal channels, such as a vacuum channel to supply their spinning devices 12 with spinning vacuum, an electronic channel for a bus system 7 and / or a yarn monitoring device and a cable channel for supplying the work stations 4 are connected to electrical energy.
  • supply and disposal channels such as a vacuum channel to supply their spinning devices 12 with spinning vacuum, an electronic channel for a bus system 7 and / or a yarn monitoring device and a cable channel for supplying the work stations 4 are connected to electrical energy.
  • the Garn aises- or cross-wound winder the jobs 4 of the open-end rotor spinning machine 1, that is, the open-end rotor spinning devices 12 and the winding devices 18 of the work 4, fixed ,
  • end frames 2 and 3 for example, a textile machine's own vacuum source 10, an electrical power supply and a central control unit 5 of the open-end rotor spinning machine 1 are arranged.
  • the central control unit 5 is in turn connected to the workstation computers 6 of the individual workstations 4, for example via a bus system 7.
  • a master fiber tape 15 which is stored in sliver cans 16, which are positioned in series next to each other below the jobs 4, spun into a thread 17, which is then on the winding device 18 to a cross-wound bobbin 19 is wound up.
  • FIG. 2 shows a side view of an open-end spinning device 12 one of the numerous jobs 4 of the open-end rotor spinning machine first
  • Such open-end spinning devices 12 are known per se and for example in the DE 103 38 901 A1 described in relative detail.
  • Such open-end spinning devices 12 have a single-motor driven spinning rotor 8, the rotor cup 9 rotates during spinning at high speed in a rotor housing 11 under horrbeetzschlagbaren.
  • the rotor housing 11 which is closed at the front by a cover element 13 during the spinning operation, is connected via a pneumatic line 14 and the vacuum channel indicated at the beginning to the spinning machine's own vacuum source 10, which provides the negative pressure in the rotor housing 11 necessary for spinning.
  • the electromotive single drive 20 of the spinning rotor 8 is connected to the power supply device 21 of the respective textile machine 1 and defines driven.
  • the electromagnetic single drive 20 is also connected for this purpose via at least one signal line 22 to a workstation's own control device 6.
  • the cover element 13, which closes the rotor housing 11 during the spinning operation, is mounted so as to be limitedly rotatable about a pivot axis 23, so that the stationary spinning rotor 8 is accessible as required.
  • a so-called channel plate adapter 24 is also inserted into the cover element 13, interchangeable, to which a thread withdrawal tube 25 adjoins.
  • cover element 13 has an opening cylinder housing 26 of a sliver-opening device, indicated generally by the reference numeral 30.
  • This sliver-opening device 30 consists essentially of a single-motor driven dissolving roller 27 and a preferably also via a single drive 35 drivable sliver feed cylinder 34th
  • In Auflensewalzengeophen 26 also a sliver feed cylinder 34 is rotatably mounted, which can be acted upon by an electric motor 35 by a drive 35, preferably a stepper motor.
  • the drive 35 of the Fasebandeinzugszylinders 34 is connected via supply lines 36 to the power supply device 21 of the textile machine 1 and a signal line 37 with the workstation's own control device 6 in connection.
  • the opening roller 27 rotatably mounted in the opening roller housing 29 is fixed with its bearing shaft 32 in a rear bearing bracket 28 of the opening cylinder housing 26.
  • the opening roller 27 is driven by an electromotive single drive 31, which is preferably designed as an external rotor.
  • an electromotive single drive 31 is arranged in the end region of the bearing shaft 32, which has a plurality of galvanically isolated contact tracks.
  • the contact tracks are connected via a supply line 38 to the power supply device 21 of the open-end rotor spinning machine 1 and via a signal line 39 to the workstation's own control device 6.
  • a measuring device 40 is turned on, with which the respective motor current of the opening roller drive 31 can be detected.
  • the measuring device 40 can, for example, as in Figure 3 indicated, have a measuring coil 41 which encloses at least one of the phases of the primary circuit 45 and a Secondary circuit 43 forms or, as in Figure 4 represented, designed as a measuring shunt 44.
  • the measured secondary voltage U sec is proportional to the motor current in the primary circuit 45 that depends on the respective power consumption of the opening roller drive 31.
  • measuring device 40 with shunt 44 works in principle similar.
  • the measured voltage U Shunt is proportional to the motor current in the primary circuit 45 that depends on the respective power consumption of the opening roller drive 31.
  • Another method is the measurement of the motor current by means of a driver IC present in the motor circuit of the opening roller drive. In this case, no additional sensor system is required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)

Claims (9)

  1. Procédé d'exploitation d'un poste de travail d'une machine textile produisant des bobines croisées qui présente un dispositif de filature à bout ouvert pour fabriquer un fil ainsi qu'un dispositif de bobinage pour produire une bobine croisée, le dispositif de filature à bout ouvert étant équipé d'une unité de défibrage de rubans de fibres dont le rouleau défibreur présente un entraînement électromoteur individuel,
    caractérisé en ce
    que le courant de moteur (i) pour l'entraînement électromoteur (31) du rouleau défibreur (27) est surveillé et que la valeur mesurée de la consommation de l'entraînement (31) du rouleau défibreur (27) est utilisée pour déterminer la présence ou l'absence d'un ruban de fibres alimenté (15) dans la zone du rouleau défibreur (27).
  2. Procédé selon la revendication 1, caractérisé en ce que pendant le processus de filature « normal », la valeur mesurée de la consommation de l'entraînement (31) est traitée dans une unité de commande (6) du poste de travail (4) en ce sens que la non-atteinte d'une valeur seuil inférieure est interprétée comme une « absence d'un ruban de fibres alimenté (15) » et le poste de travail (4) concerné est mis à l'arrêt.
  3. Procédé selon la revendication 1, caractérisé en ce que le poste de travail (4) concerné est mis à l'arrêt si, après activation du cylindre d'amenée de ruban de fibres (34), la consommation de l'entraînement (31) du rouleau défibreur (27) tournant au régime de service n'augmente pas sensiblement.
  4. Procédé selon la revendication 1, caractérisé en ce que pendant le processus d'amorçage de la filature, la consommation d'un entraînement (31) dont le rouleau défibreur (27) a été accéléré au régime de service est déterminée et comparée à la consommation de l'entraînement (31) qui est atteinte lors de l'amenée d'un ruban de fibres.
  5. Procédé selon une des revendications précédentes, caractérisé en ce qu'un poste de travail (4) sur lequel est détectée l'absence d'un ruban de fibres alimenté (15) est identifié par un signal.
  6. Procédé selon une des revendications précédentes, caractérisé en ce que la mesure du courant de moteur (i) est effectuée au moyen d'un dispositif détecteur (40) sur la ligne d'alimentation électrique (38) de l'entraînement (31).
  7. Procédé selon la revendication 6, caractérisé en ce que la mesure du courant de moteur (i) est effectuée au moyen d'une bobine de mesure sur au moins une des phases de la ligne d'alimentation (38) de l'entraînement (31).
  8. Procédé selon la revendication 6, caractérisé en ce que la mesure du courant de moteur (i) est effectuée au moyen d'une prise de tension sur au moins une résistance de charge branchée dans une des phases de la ligne d'alimentation (38).
  9. Procédé selon une des revendications précédentes, caractérisé en ce que la mesure du courant de moteur (i) est effectuée sous la forme d'une fonction intégrée dans un circuit intégré d'attaque.
EP08846723A 2007-11-10 2008-10-25 Procédé d'actionnement d'un poste d'une machine textile produisant des bobines croisées Active EP2209935B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007053711A DE102007053711A1 (de) 2007-11-10 2007-11-10 Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
PCT/EP2008/009049 WO2009059704A1 (fr) 2007-11-10 2008-10-25 Procédé d'actionnement d'un poste d'une machine textile produisant des bobines croisées

Publications (2)

Publication Number Publication Date
EP2209935A1 EP2209935A1 (fr) 2010-07-28
EP2209935B1 true EP2209935B1 (fr) 2011-05-04

Family

ID=40328511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08846723A Active EP2209935B1 (fr) 2007-11-10 2008-10-25 Procédé d'actionnement d'un poste d'une machine textile produisant des bobines croisées

Country Status (5)

Country Link
EP (1) EP2209935B1 (fr)
CN (1) CN101849049B (fr)
AT (1) ATE508218T1 (fr)
DE (2) DE102007053711A1 (fr)
WO (1) WO2009059704A1 (fr)

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JP2013067882A (ja) * 2011-09-21 2013-04-18 Murata Mach Ltd 糸巻取機、及び紡績糸の製造方法
CZ306762B6 (cs) * 2012-10-23 2017-06-21 Rieter Cz S.R.O. Způsob řízení zapřádacích a zastavovacích operací příze na pracovním místě rotorového dopřádacího stroje
DE102014001627B4 (de) * 2014-02-07 2022-03-24 Saurer Spinning Solutions Gmbh & Co. Kg Offenend-Rotorspinnvorrichtung und Verfahren zum Betreiben einer Offenend-Rotorspinnvorrichtung
DE102014003329A1 (de) 2014-03-08 2015-09-10 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Offenend-Rotorspinnmaschine
CN105442123B (zh) * 2014-09-05 2019-03-01 欧瑞康纺织有限及两合公司 加弹机及能耗检测系统
CN105986343B (zh) * 2015-02-12 2020-12-01 欧瑞康纺织有限及两合公司 变形机
DE102015111673A1 (de) 2015-07-17 2017-01-19 Rieter Cz S.R.O. Verfahren zum sicheren Starten und/oder Stoppen eines Rotors einer Rotorspinnmaschine und Rotorspinnmaschine
DE102016102151A1 (de) * 2016-02-08 2017-08-10 Rieter Ingolstadt Gmbh Einzelantrieb für eine Auflösewalze einer Offenend-Spinnvorrichtung
CZ306963B6 (cs) * 2016-02-23 2017-10-18 Rieter Cz S.R.O. Způsob bezpečnostní ochrany otevření spřádací jednotky rotorového dopřádacího stroje a zařízení k provedení způsobu
DE102019122609A1 (de) 2019-08-22 2021-02-25 Maschinenfabrik Rieter Ag Verfahren zum Bestimmen einer elektrischen Leistung oder eines elektrischen Energieverbrauchs einer Spinn- oder Spulmaschine und Spinn- oder Spulmaschine
DE102020110991A1 (de) * 2020-04-22 2021-10-28 Maschinenfabrik Rieter Ag Verfahren zum Trennen eines aus einer Spinnkanne an eine Spinnstelle einer Spinnmaschine gelieferten Faserbandes sowie Spinnmaschine
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CZ2022490A3 (cs) * 2022-11-22 2024-05-29 Rieter Cz S.R.O. Způsob detekce přítomnosti vlákenného pramene na vstupu do pracovního místa textilního stroje pro zpracování vlákenného pramene, zejména stroje pro výrobu příze, zařízení k jeho provádění, podávací nebo průtahové ústrojí pramene vláken a textilní stroj

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Also Published As

Publication number Publication date
CN101849049A (zh) 2010-09-29
DE102007053711A1 (de) 2009-05-14
DE502008003453D1 (de) 2011-06-16
ATE508218T1 (de) 2011-05-15
WO2009059704A1 (fr) 2009-05-14
EP2209935A1 (fr) 2010-07-28
CN101849049B (zh) 2011-08-31

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