EP0867543A2 - Procédé et dispositif pour la commande et le contrÔle du fonctionnement de ciseaux à fil actionnés par moteur électrique sur métiers à tisser - Google Patents

Procédé et dispositif pour la commande et le contrÔle du fonctionnement de ciseaux à fil actionnés par moteur électrique sur métiers à tisser Download PDF

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Publication number
EP0867543A2
EP0867543A2 EP98103545A EP98103545A EP0867543A2 EP 0867543 A2 EP0867543 A2 EP 0867543A2 EP 98103545 A EP98103545 A EP 98103545A EP 98103545 A EP98103545 A EP 98103545A EP 0867543 A2 EP0867543 A2 EP 0867543A2
Authority
EP
European Patent Office
Prior art keywords
motor
scissors
motor shaft
shaft
electric motor
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
EP98103545A
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German (de)
English (en)
Other versions
EP0867543B1 (fr
EP0867543A3 (fr
Inventor
Kurt Motz
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier GmbH
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7824923&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0867543(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP0867543A2 publication Critical patent/EP0867543A2/fr
Publication of EP0867543A3 publication Critical patent/EP0867543A3/fr
Application granted granted Critical
Publication of EP0867543B1 publication Critical patent/EP0867543B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/18—Automatic stop motions
    • D03D51/44—Automatic stop motions acting on defective operation of loom mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70—Devices for cutting weft threads

Definitions

  • the invention relates to a method for controlling and monitoring the cutting function of a electric motor driven thread scissors in weaving machines according to the generic term of Claims 1 and 10.
  • a much more flexible thread scissors for weft threads is known from EP 0 284 766 B1.
  • This thread scissors has a drive independent of the main drive, so that the time the cutting process in relation to the weaving cycle by means of a programmable control can be specified arbitrarily.
  • the drive consists of a stepper motor on its Shaft the movable cutting edge is attached, the motor shaft of the stepper motor alternately driven forward and backward.
  • the object of the invention is a method for controlling and monitoring the cutting function an electric motor driven thread scissors and a thread scissors, in particular for Detaching catch strips to create, which both great flexibility in execution the cutting function allows, as well as in the most varied of mechanical conditions and can be used in a wide variety of local locations.
  • Another task is to increase the life of the scissor drive and one Provide monitoring for function and damage to the thread scissors.
  • the invention is based on the technical teaching of the claim 1 and of claim 10.
  • the engine speed and thus the cutting cycle and cutting time is one electronic control controlled and monitored, which is advantageous in the machine control is integrated and can be programmed via the operator terminal.
  • the rotation of the motor shaft is monitored by a monitoring device in the form of a sensor supervised.
  • a magnetic one is preferred due to the ambient conditions Sensor (Hall sensor) used.
  • Sensor Hall sensor
  • optical, capacitive, inductive or other transducers can be used if the special application requires it. Can be advantageous through this type of monitoring both defects of the drive motor and breakage or Jamming of the movable scissor part of the thread scissors are detected.
  • the speed of the motor shaft of the Scissor motor in an arbitrarily adjustable ratio to the speed of the main shaft of the Weaving machine drive can be operated. That means that with a fabric with relative high weft density the thread scissors cut, for example, in a ratio of 1: 5 to the weft insertion, that is, after every fifth weft insertion, a single cutting operation for several weft threads takes place, which are tied in the fabric and a catch strip. So there are the weft threads cut the last 5 weft entries between the fabric and the catch bar.
  • the thread scissors according to the invention are particularly suitable for cutting off catch strips, because the predeterminable speed ratio of the scissors drive to the main shaft drive Weaving machine advantageously several weft threads already registered with one single cutting process can be cut.
  • the thread scissors can as well as a so-called center separating device for separating a fabric web against the Weaving direction can be used, or to separate each individual entered Weft.
  • the drive 10 of the thread scissors with a control electronics 2 and the signal-transmitting connection 5,6 to the weaving machine control 1 is shown.
  • the drive comprises an electric motor 10, which is preferably designed as a stepper motor, and one Control electronics 2 for controlling the motor functions.
  • the control electronics 2 are connected to the weaving machine control system 1 via a signal line 5 connected and receives from this control information for controlling the motor, e.g. Speed, direction of rotation, synchronization signals etc.
  • the speed of the motor 10 pre-programmed in the loom control 1 Safety edge scissors 7 are monitored by a monitoring device 3, 4, which is operated via a Signal line 3a is connected to the control electronics 2, which in turn with the Loom control 1 is connected via the signal line 6.
  • a control loop is created that allows reliable monitoring of the function of the motor of the thread scissors.
  • the device 3 is preferably designed as a magnetic pickup. This is on the Motor shaft 11 of the motor 10 or the device 4 on a part firmly connected to it arranged, which is a permanent magnet, the with each full rotation of the motor shaft 11 Transducer 3 passes and a signal from the control electronics 2 is detected, which is via the Signal line 6 of the weaving machine control 1 is fed.
  • the Thread scissors 7 consists of a fixed scissor part 8 and a movable Scissor part 9.
  • the motor 10 On the fixed scissor part 8, the motor 10 is arranged, which on it Motor shaft 11 carries a drive plate 12. The motor shaft 11 rotates in a direction 15 at specifiable speed.
  • the movable scissor part 9 is in relation to the fixed scissor part 8 about the scissor axis 8a is arranged pivotably and comprises at the end opposite the cutting edge Elongated hole 14 in which a driver pin 13 engages.
  • the driver pin 13 is fixed in Edge area of the drive plate 12 arranged. Due to the eccentric arrangement of the driving pin 13 with respect to the motor shaft 11 the rotational movement of the motor shaft 11 into a cutting movement of the movable Scissor part 9 implemented in a direction of the double arrow 16. A full rotation of the motor shaft 11 of the motor 10 corresponds to a cutting cycle Thread scissors 7.
  • the monitoring device 3, 4 is arranged on the motor 10 and comprises one Permanent magnet 4, e.g. is arranged on the drive plate 12 and the at each Rotation of the shaft 11 of the motor a fixed magnetic pickup 3, e.g. passed a Hall sensor.
  • the Hall sensor inputs each time the motor shaft 11 is rotated electrical signal to the control electronics 2. For some reason the motor stops rotating or does not occur predictable irregularities, this is recognized by the control electronics 2 and inputs Error signal to the weaving machine control 1. An error routine is then initiated and, if necessary, the weaving process is stopped.
  • An electric motor drive a thread scissors the motor shaft according to the state of the Technology alternating forwards and backwards, i.e. performing a partial rotation, can also are monitored according to the invention.
  • Such thread scissors are used as weft scissors Use.
  • the ratio of Partial rotation of the motor shaft of the scissor motor to the speed of the main shaft of the Loom drive does not matter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP98103545A 1997-03-27 1998-02-28 Procédé et dispositif pour la commande et le contrôle du fonctionnement de ciseaux à fil actionnés par moteur électrique sur métiers à tisser Expired - Lifetime EP0867543B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19713089 1997-03-27
DE19713089A DE19713089C2 (de) 1997-03-27 1997-03-27 Verfahren und Vorrichtung zur Steuerung und Überwachung der Schneidfunktion einer elektromotorisch angetriebenen Fadenschere in Webmaschinen

Publications (3)

Publication Number Publication Date
EP0867543A2 true EP0867543A2 (fr) 1998-09-30
EP0867543A3 EP0867543A3 (fr) 1999-12-15
EP0867543B1 EP0867543B1 (fr) 2001-06-20

Family

ID=7824923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98103545A Expired - Lifetime EP0867543B1 (fr) 1997-03-27 1998-02-28 Procédé et dispositif pour la commande et le contrôle du fonctionnement de ciseaux à fil actionnés par moteur électrique sur métiers à tisser

Country Status (5)

Country Link
US (1) US6301519B1 (fr)
EP (1) EP0867543B1 (fr)
JP (1) JP3004624B2 (fr)
AT (1) ATE202389T1 (fr)
DE (2) DE19713089C2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1367158A1 (fr) * 2002-05-31 2003-12-03 Lindauer Dornier Gesellschaft M.B.H Procédé et dispositif pour couper le fil de trame après l'insertion de la duite
EP1498524A2 (fr) * 2003-07-17 2005-01-19 Promatech S.p.A. Dispositif à commande électrique pour programmer la coupe du fil de trame dans des métiers à tisser
US8191399B2 (en) 2005-12-16 2012-06-05 Siemens Aktiengesellschaft Monitoring device and monitoring method for a drive device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3652447B2 (ja) * 1996-07-24 2005-05-25 株式会社ルネサステクノロジ ツリー回路
DE19954139A1 (de) * 1999-11-11 2001-06-07 Dornier Gmbh Lindauer Verfahren und Vorrichtung zur Überwachung des Abziehens von Fangleisten auf Webmaschinen
DE10014366A1 (de) * 2000-03-20 2001-10-04 Dornier Gmbh Lindauer Fadenschneidvorrichtung für Webmaschinen
JP2004244764A (ja) * 2003-02-14 2004-09-02 Tsudakoma Corp 断片織機の捨耳カッター駆動方法
DE502006007250D1 (de) * 2005-02-23 2010-08-05 Itema Switzerland Ltd Leistenleger für Schussfäden
FR2957834B1 (fr) * 2010-03-24 2012-03-09 Infaco Dispositif de controle positionnel de deux elements l'un par rapport a l'autre tel que lames d'outils de coupe du genre secateur et outil de coupe le comportant
CN104131396A (zh) * 2014-08-14 2014-11-05 山东日发纺织机械有限公司 喷气织机剪纬用电子剪刀直驱装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2435397A1 (de) * 1974-06-28 1976-01-08 Rueti Ag Maschf Trennvorrichtung fuer eine webmaschine
US4546802A (en) * 1984-06-04 1985-10-15 Burlington Industries, Inc. Automatic failure sensor for hot wire cutters
EP0284766A1 (fr) * 1987-03-09 1988-10-05 Picanol N.V. Procédé pour couper un fil de trame inséré et dispositif de coupage
EP0679744A1 (fr) * 1994-04-29 1995-11-02 PANTER S.r.l. Dispositif coupe-trame pour métiers à tisser

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570550A (en) * 1968-10-17 1971-03-16 North American Rockwell Control system for looms
US3732896A (en) * 1971-04-26 1973-05-15 Vyzk Ustav Bavlnarsky Method of and apparatus for filling the shuttles with weft in progressive shed weaving looms
CS165124B1 (fr) * 1973-04-18 1975-11-28
US4159558A (en) * 1974-12-24 1979-07-03 Cotonificio Cantoni S.P.A. Apparatus for the cutting of columns of thread loops
US4158373A (en) * 1976-09-20 1979-06-19 Tsentralny Nauchno-Issledovatelsky Institut Khlopchatobumazhnoi Promyshlennosti Method of and apparatus for threading the weft thread carriers in travelling-wave looms
JPS5593849A (en) * 1978-12-30 1980-07-16 Toyoda Automatic Loom Works Timing setting method and apparatus in loom
US4480665A (en) * 1981-01-21 1984-11-06 Nissan Motor Company, Limited Weft-bar (set mark) prevention system for a loom
DE3684286D1 (de) * 1985-12-13 1992-04-16 Tsudakoma Ind Co Ltd Schussfadenzubringer fuer webmaschinen.
US4850399A (en) * 1987-06-27 1989-07-25 Lindauer Dorner Gesellschaft M.B.H. Weaving loom with pneumatic weft thread injection
BE1000995A4 (nl) * 1987-10-12 1989-05-30 Wiele Michel Van De Nv Inrichting voor het regelen van de beet in de snijinrichting van dubbelstukweefmachines.
JP2668579B2 (ja) * 1989-04-19 1997-10-27 津田駒工業株式会社 給糸カッターの駆動装置
IT1236993B (it) * 1989-12-29 1993-05-12 Roy Electrotex Spa Alimentatore di trama per telai di tessitura a pinze e a proiettili
DE4000856A1 (de) * 1990-01-13 1991-07-18 Dornier Gmbh Lindauer Schussseitig angeordnete fadenschneidevorrichtung einer luftwebmaschine
IT1242989B (it) * 1990-08-29 1994-05-23 Vamatex Spa Dispositivo perfezionato per la formazione della cimossa in telai senza navette
US5329962A (en) * 1991-09-03 1994-07-19 Nissan Motor Co., Ltd. Weft supply changing and threading apparatus
JP2668669B2 (ja) * 1995-11-17 1997-10-27 津田駒工業株式会社 給糸カッターの駆動装置
US5735315A (en) * 1996-09-11 1998-04-07 A.E. Petsche Company, Inc. Wire loom dobby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2435397A1 (de) * 1974-06-28 1976-01-08 Rueti Ag Maschf Trennvorrichtung fuer eine webmaschine
US4546802A (en) * 1984-06-04 1985-10-15 Burlington Industries, Inc. Automatic failure sensor for hot wire cutters
EP0284766A1 (fr) * 1987-03-09 1988-10-05 Picanol N.V. Procédé pour couper un fil de trame inséré et dispositif de coupage
EP0679744A1 (fr) * 1994-04-29 1995-11-02 PANTER S.r.l. Dispositif coupe-trame pour métiers à tisser

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1367158A1 (fr) * 2002-05-31 2003-12-03 Lindauer Dornier Gesellschaft M.B.H Procédé et dispositif pour couper le fil de trame après l'insertion de la duite
EP1498524A2 (fr) * 2003-07-17 2005-01-19 Promatech S.p.A. Dispositif à commande électrique pour programmer la coupe du fil de trame dans des métiers à tisser
EP1498524A3 (fr) * 2003-07-17 2005-11-16 Promatech S.p.A. Dispositif à commande électrique pour programmer la coupe du fil de trame dans des métiers à tisser
US8191399B2 (en) 2005-12-16 2012-06-05 Siemens Aktiengesellschaft Monitoring device and monitoring method for a drive device

Also Published As

Publication number Publication date
DE19713089A1 (de) 1998-10-01
DE59800877D1 (de) 2001-07-26
JP3004624B2 (ja) 2000-01-31
US6301519B1 (en) 2001-10-09
EP0867543B1 (fr) 2001-06-20
ATE202389T1 (de) 2001-07-15
EP0867543A3 (fr) 1999-12-15
JPH10298852A (ja) 1998-11-10
DE19713089C2 (de) 2000-07-27

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