EP2279976B1 - Procédé destiné au fonctionnement de postes de travail d'une machine textile produisant des bobines croisées - Google Patents

Procédé destiné au fonctionnement de postes de travail d'une machine textile produisant des bobines croisées Download PDF

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Publication number
EP2279976B1
EP2279976B1 EP20100007263 EP10007263A EP2279976B1 EP 2279976 B1 EP2279976 B1 EP 2279976B1 EP 20100007263 EP20100007263 EP 20100007263 EP 10007263 A EP10007263 A EP 10007263A EP 2279976 B1 EP2279976 B1 EP 2279976B1
Authority
EP
European Patent Office
Prior art keywords
cross
bobbin
thread
wound
suction nozzle
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.)
Not-in-force
Application number
EP20100007263
Other languages
German (de)
English (en)
Other versions
EP2279976A3 (fr
EP2279976A2 (fr
Inventor
Helmut Kohlen
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
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 Saurer Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2279976A2 publication Critical patent/EP2279976A2/fr
Publication of EP2279976A3 publication Critical patent/EP2279976A3/fr
Application granted granted Critical
Publication of EP2279976B1 publication Critical patent/EP2279976B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/38—Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge
    • B65H54/388—Preventing the yarn from falling off the edge of the package
    • 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
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • B65H63/0364—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism by lifting or raising the package away from the driving roller
    • 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 workstations of a cross-wound textile machine according to the preamble of claim 1.
  • the textile bobbin in question must be rotated on the workstation of a textile machine both about its bobbin axis and the thread running on the textile bobbin is traversed along the bobbin axis at a relatively high speed.
  • the resulting bobbin is characterized not only by a relatively stable design, but also by a good flow behavior.
  • cross-wound bobbins a distinction is made between cross-wound bobbins with so-called "wild winding" and cross-wound bobbins with so-called “precision or step precision winding", depending on their winding structure.
  • the present invention seeks to develop a method in which a safe operation of a cheese-producing textile machine, in particular a safe thread take-up by the suction nozzle after a Spulunterbrechung is ensured even when processing fine yarns.
  • the cross-wound bobbin is lifted several times briefly from the bobbin drive roller during the thread take-up operation. In this way it is not only ensured that the cheese is reliably rotated in the unwinding during the thread take-up process, but also ensures that a "folded" thread end, regardless of its location or from its casserole point on the surface of the cheese, safely absorbed by the suction nozzle can be.
  • the suction nozzle is already positioned in a thread receiving position and acted upon by negative pressure, before the cross-wound bobbin rotating in the unwinding direction is briefly lifted off the bobbin drive roller.
  • Corresponding experiments have shown that such an early connection of the particularly at the mouth of the suction nozzle relatively strong negative pressure promotes the emergence of air flow in the air gap and thus the detachment process of the free yarn end of the upper thread from the surface of the cheese, which is very positive for the subsequent thread take-up effect.
  • FIG. 1 is a side view schematically shows a job 2 of a cheese-producing textile machine 1, in the present case of a so-called cross-winding machine, shown.
  • Such cross-winding machines 1 have, as is known, between their (not shown) Endgestellen each have a variety of identical jobs 2.
  • the spinning cops produced on a ring spinning machine 3 rewound into large-volume cheeses 5, which after their completion by means of a (not shown) service unit, such as a cheese change, handed over to a machine-length cheese package conveyor 7 and transported to a machine loading side arranged Spulenverladestation or the like.
  • Such automatic packages 1 also often have a logistics device in the form of a coil and sleeve transport system 6, in which rotate on transport plates 11, spinning cops 3 or empty tubes.
  • FIG. 1 From such a coil and sleeve transport system 6 are in the FIG. 1 only the Kopszu slaughter station 24, the reversing drivable storage section 25, one of the leading to the winding units 2 transverse transport sections 26 and the sleeve return path 27 shown.
  • the individual winding units 2 further have, as is known and therefore only indicated, in each case via various devices which ensure the proper operation of such jobs.
  • One of these devices is, for example, the winding device identified by the reference numeral 4, which has a coil frame 8 movably mounted about a pivot axis 12, which, as in FIG FIG. 4 represented by a designated generally by the reference numeral 60, so-called torque sensor defined can be raised or lowered.
  • the cheese 5 As in the FIGS.
  • bobbin drive roller 9 shown with its surface 31 on a bobbin drive roller 9 and is carried along by this frictional engagement.
  • the bobbin drive roller 9 is in turn connected to an electric motor single drive 34, which is connected via a control line 19 to the winding station computer in combination.
  • a yarn laying device 10 For traversing the running up during the winding process on the cross-wound yarn 16, a yarn laying device 10 is provided. Such in the figures only schematically indicated and for example from the DE 10 2004 052 564 A1 known thread laying device 10 has a finger thread guide 13, which, acted upon by an electric motor drive 14, the thread 16 traversed between the two end faces 32A and 32B of the cheese 5.
  • the drive 14 a motor shaft 33 on which the finger-like yarn guide 13 is arranged rotationally fixed.
  • a per se known angle sensor 17 On the opposite side of the thread guide 13 of the drive 14 is mounted, preferably protected under a removable cover, a per se known angle sensor 17, whose structure in the DE 103 54 587 A1 is explained in detail.
  • the drive 14 and the angle sensor 17 are connected via signal and control lines 15 and 18 with the winding station computer 28 of the relevant job 2.
  • Such workstations 2 generally further each have a lower thread sensor 40, a thread cleaner 22, a thread cutting device 23 and a yarn tension sensor 20, these components are connected via control and signal lines 40, 29, 30 and 21 to the winding station computer 28.
  • Each of the workstations 2 also has, as usual, a suction nozzle 35 which can be acted upon by negative pressure, a so-called gripper tube 37, which can also be subjected to negative pressure, and a pneumatic thread splicing device 36.
  • the suction nozzle 35 also preferably has, as in Figure 3 indicated, a sensor device 61 which detects a successful thread take-up.
  • the cross-wound bobbin 5 is held in a creel 8, which is rotatably connected to a pivot axis 12, which is arranged parallel to the bobbin drive roller 9 and for example via a corresponding (not shown) bearing limited pivotally mounted on the winding unit housing 62.
  • the bobbin frame 8 in turn has, as usual, two coil arms, which are provided with rotatably mounted bobbin plates, between which a sleeve is mounted, on which the thread 16 can be wound to form a cross-wound bobbin 5.
  • the torque transmitter 60 has, inter alia, a connection disk 59, which is connected to the pivot axis 12 in a rotationally fixed manner and has a rotatably mounted gear wheel 50 arranged coaxially with the pivot axis 12.
  • the connection plate 59 is provided with connecting bolts 51, which point to the gear 50.
  • On the gear 50 corresponding connecting bolts 52 are provided.
  • spring elements 53 Between the connecting pin 51 of the connection plate 59 and the connecting pin 52 of the gear 50 are identical transmission elements as spring elements 53, in the present case coil springs turned on.
  • the coil springs 53 are deformed in opposite directions with relative rotation of gear 50 and connecting plate 59.
  • the rotatably mounted gear 50 meshes with a pinion 54 of a reduction gear, the outer ring 55 via a drive pinion 56 to a drive element 57, preferably one Stepper motor, connected. Since the drive pinion 56, the outer ring 55 and the pinion 54 are rotatably mounted on the winding unit housing 62, can be transmitted to the gear 50 via the transmission gear each rotational movement of the set on the winding head housing 62 stepping motor 57, for example in the ratio 1:25.
  • the stepping motor 57 which is designed for individual steps of approximately 1.8 degrees, for example, is controlled by a winding line computer 69 via a control line 69 and is thus able to execute a predetermined number of revolutions or a predetermined number of individual steps which are effected by means of the torque transmitter 60 on the creel 8 gives a torque, for example M on .
  • a torque for example M on .
  • M about this torque M on both the contact pressure of the cheese 5 on the bobbin drive roller 9 is defined and sensitively adjustable, as well as the cross-wound bobbin 5 can be lifted for predetermined periods of the unwinding in the unwinding reel drive roller 9.
  • the running of the spinning cop 3 thread 16 traversed on its way to the cheese 5, inter alia, a lower thread sensor 40, a thread cutting device 23, a yarn tension sensor 20 and a thread cleaner 22, which monitors the running thread 16 for thread error out. That is, the running thread 16 generated in the thread cleaner 22, inter alia, a dynamic yarn running signal, which is transmitted via the signal line 29 to the winding station computer 28.
  • the winding station calculator 28 which is always informed via the connected angle sensor 17 on the instantaneous position of the finger thread guide 13, controls the drive 14 of the finger thread guide 13 via the control line 15 such that the finger thread guide 13th is transferred as soon as possible to the center of the cheese 5 out. That is, the finger thread guide 13 ensures that the upper thread runs after a yarn break as centrally as possible on the cheese 5.
  • the upper thread that has accumulated on the cross-wound bobbin 5 must be pneumatically swirled in a thread splicing device 36 with a bobbin thread, which is connected to the spinning cop 3 and presented by the gripper tube 37.
  • the suction nozzle 35 is first pivoted into the Fadenendamposition I, in which the mouth of the suction nozzle 35 is disposed directly in the surface 31 of the cheese 5 and the suction nozzle 35 is subjected to negative pressure. Subsequently, the cheese 5 is rotated by the bobbin drive roller 9 in the unwinding Z and then briefly, if necessary, several times in succession, lifted from the bobbin drive roller 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)

Claims (4)

  1. Procédé d'exploitation de postes de travail d'une machine textile produisant des bobines croisées, chacun desdits postes de travail comprenant un dispositif de bobinage doté d'un cylindre d'entraînement de bobines conçu pour imprimer, par frottement, une rotation à une bobine croisée ; un cadre porte-bobines monté à pivotement, respectivement relevable ou abaissable de manière bien définie, par l'intermédiaire d'un transmetteur de couples, afin de retenir ladite bobine croisée avec faculté de rotation ; ainsi qu'une buse d'aspiration pouvant être sollicitée par une dépression et apte à pivoter jusque dans la région de la surface de ladite bobine croisée, de manière à saisir pneumatiquement un fil supérieur parvenu sur ladite surface de la bobine croisée après une interruption du bobinage,
    caractérisé par le fait
    que la bobine croisée (5) est tout d'abord animée, par frottement, d'une rotation dans une direction de dévidage (Z) en vue de saisir le fil, puis le cadre (8) porte-bobines est activé par l'intermédiaire d'un transmetteur de couples (60), de façon à réserver brièvement un interstice (S) entre la surface (31) de ladite bobine croisée (5), retenue dans ledit cadre (8) porte-bobines, et le cylindre (9) d'entraînement des bobines qui imprime une rotation à ladite bobine croisée (5).
  2. Procédé selon la revendication 1, caractérisé par le fait que, pendant le processus de saisie du fil, la bobine croisée (5) est répétitivement soulevée d'une courte distance à l'écart du cylindre (9) d'entraînement des bobines.
  3. Procédé selon la revendication 1, caractérisé par le fait que la buse d'aspiration (35) est placée dans une position (I) de saisie du fil et est déjà sollicitée par une dépression avant même que la bobine croisée (5), tournant dans la direction de dévidage (Z), soit brièvement soulevée à l'écart du cylindre (9) d'entraînement des bobines.
  4. Procédé selon la revendication 1, caractérisé par le fait qu'une saisie de fil réussie, effectuée par la buse d'aspiration (35), est détectée par un dispositif détecteur (61) situé dans ladite buse d'aspiration (35), après quoi la dépression est réduite dans ladite buse d'aspiration (35).
EP20100007263 2009-07-30 2010-07-14 Procédé destiné au fonctionnement de postes de travail d'une machine textile produisant des bobines croisées Not-in-force EP2279976B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009035383A DE102009035383A1 (de) 2009-07-30 2009-07-30 Verfahren zum Betreiben von Arbeitsstellen einer Kreuzspulen herstellenden Textilmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102009035383 Previously-Filed-Application 2009-07-30

Publications (3)

Publication Number Publication Date
EP2279976A2 EP2279976A2 (fr) 2011-02-02
EP2279976A3 EP2279976A3 (fr) 2014-03-12
EP2279976B1 true EP2279976B1 (fr) 2015-05-20

Family

ID=43218486

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Application Number Title Priority Date Filing Date
EP20100007263 Not-in-force EP2279976B1 (fr) 2009-07-30 2010-07-14 Procédé destiné au fonctionnement de postes de travail d'une machine textile produisant des bobines croisées

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Country Link
EP (1) EP2279976B1 (fr)
CN (1) CN101987706B (fr)
DE (1) DE102009035383A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012218922A (ja) † 2011-04-13 2012-11-12 Murata Machinery Ltd 糸巻取機及び糸引き出し方法
DE102012010458A1 (de) * 2012-05-26 2013-11-28 Saurer Germany Gmbh & Co. Kg Spulvorrichtung mit einem Arretierungsmittel für den Spulenrahmen
JP2014108846A (ja) * 2012-11-30 2014-06-12 Murata Mach Ltd 糸巻取機及び糸巻取機を備えた繊維機械
CN104674395B (zh) * 2013-10-31 2018-12-28 舍弗勒技术股份两合公司 驱动传送带的驱动装置、传送装置、导纱器
JP2018065637A (ja) * 2016-10-18 2018-04-26 村田機械株式会社 糸巻取装置
DE102019128612A1 (de) * 2019-10-23 2021-04-29 Saurer Spinning Solutions Gmbh & Co. Kg Textilmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1271277B (it) * 1994-12-15 1997-05-27 Savio Macchine Tessili Srl Procedimento per l'attuazione di un ciclo di avvolgimento flessibile e modulante,ed apparecchiatura adatta allo scopo
DE19858548A1 (de) 1998-12-18 2000-06-21 Schlafhorst & Co W Fadenführer zum traversierenden Zuführen eines Fadens zu einer rotierend angetriebenen Auflaufspule
DE10060237A1 (de) 2000-12-05 2002-06-06 Schlafhorst & Co W Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
DE10206288A1 (de) * 2002-02-15 2003-08-28 Schlafhorst & Co W Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
EP1486448A1 (fr) * 2003-06-12 2004-12-15 Saurer GmbH & Co. KG Procédé et dispositif pour opérer un poste de travail d'une machine textile pour la fabrication de bobines à spires croisées
DE10354587A1 (de) 2003-11-21 2005-06-16 Saurer Gmbh & Co. Kg Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102004052564A1 (de) 2004-10-29 2006-05-04 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine

Also Published As

Publication number Publication date
EP2279976A3 (fr) 2014-03-12
DE102009035383A1 (de) 2011-02-03
CN101987706A (zh) 2011-03-23
EP2279976A2 (fr) 2011-02-02
CN101987706B (zh) 2014-05-21

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