EP0523581A1 - Métier à tisser et procédé pour actionner un métier à tisser - Google Patents

Métier à tisser et procédé pour actionner un métier à tisser Download PDF

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Publication number
EP0523581A1
EP0523581A1 EP92111859A EP92111859A EP0523581A1 EP 0523581 A1 EP0523581 A1 EP 0523581A1 EP 92111859 A EP92111859 A EP 92111859A EP 92111859 A EP92111859 A EP 92111859A EP 0523581 A1 EP0523581 A1 EP 0523581A1
Authority
EP
European Patent Office
Prior art keywords
warp
drive
weaving
control
goods
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
EP92111859A
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German (de)
English (en)
Other versions
EP0523581B1 (fr
Inventor
Horst Dipl.-Ing. Winkler (Fh)
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.)
Berger Lahr GmbH and Co KG
Original Assignee
Berger Lahr GmbH and Co KG
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Filing date
Publication date
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Application filed by Berger Lahr GmbH and Co KG filed Critical Berger Lahr GmbH and Co KG
Publication of EP0523581A1 publication Critical patent/EP0523581A1/fr
Application granted granted Critical
Publication of EP0523581B1 publication Critical patent/EP0523581B1/fr
Anticipated expiration legal-status Critical
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    • 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
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/06—Warp let-off 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
    • D03D49/04—Control of the tension in warp or cloth
    • D03D49/20—Take-up motions; Cloth beams
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/002—Avoiding starting marks
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/005—Independent drive motors

Definitions

  • the invention relates to a weaving machine with a warp beam for warp threads and a goods tree for receiving the finished goods and a weaving device located between the warp beam and goods tree, motor drives being provided for the weaving device, the goods take-off and the warp beam, and the drive for the warp beam is connected to a warp let-off control to which a warp tension sensor is connected.
  • optimum starting conditions should be adjustable even after the weaving machine has come to a standstill before starting.
  • both the drive for the warp beam and the drive for the weaving device are connected to a control unit for direct, rigid or controlled synchronization of the two drives, if necessary.
  • threads are supplied by the warp beam synchronously with the start of the weaving device, whereby vibrations and resulting weaving errors can be avoided.
  • the main drive connected to the weaving device has a rotary encoder which is connected to the control for controlling the Kettbaum drive.
  • the warp let-off control Via the rotary encoder of the main drive driving the weaving device, the warp let-off control receives the information about the start or the working speed of the weaving device and controls the drive of the warp beam accordingly.
  • the Kettbaum drive can thus be controlled in a correspondingly rigid manner.
  • the tension sensor which is preferably still present, now only provides correction values, which, however, can be processed comparatively slowly. In addition, its measurement signal can be used prior to start-up to produce the exact state that existed when the weaving machine was stopped.
  • a further development provides that a separate drive is provided for the take-off, which is also connected to the control forming a warp let-off and take-off control.
  • a separate drive is provided for the take-off, which is also connected to the control forming a warp let-off and take-off control.
  • it is necessary to convert to different gear ratios for differently thick fabrics and / or different patterns which is time-consuming and cumbersome.
  • Due to the separate drive of the goods take-off, which is connected to the warp let-off and goods take-off control on the one hand there is an electrically controlled, angularly rigid drive connection between the main drive and the goods take-off drive, and on the other hand a quick and easy changeover to materials of different thicknesses and / or different patterns is now possible.
  • a position sensor for detecting the position of the goods edge is provided in the weaving device in the area of the goods edge.
  • the position of the goods edge can also be monitored and, if necessary, aligned, in particular before the weaving device starts up.
  • the invention also relates to a method for operating a weaving machine.
  • This method is particularly characterized in that in the starting phase after completion of the start preparations with control and adjustment of the thread tension, the fabric edge and the like, then the warp beam drive is phase-locked via an electrical connection taking into account an adjustable transmission ratio with the main drive of the weaving machine in motion is set. Instead of using a mechanical gearbox, a phase-locked connection between the main drive and the warp beam drive is established via an electrical connection.
  • influencing factors in particular the thread tension and the like, are disregarded. Weaving errors in the start phase, but also in the stop phase, can be practically eliminated in a simple manner.
  • the stop phase as in the start phase, the system switches to phase-locked operation.
  • a weaving machine 1 shown schematically in FIG. 1 has a weaving device 2 with shafts 3 for shed formation, a weaving reed or comb 4 and a main drive 5.
  • a group of threads of warp threads 7 is fed to the weaving device from a warp beam 6. This takes place from the warp beam 6 via a deflection roller 8 and a match beam 9.
  • a warp thread tension sensor 10 is connected to the match beam 9.
  • the warp beam 6 is connected to a warp beam drive 11.
  • a fabric take-off 13 provided with a drive 12, which has two deflection rollers 14, 15 and a draw beam 16.
  • the finished goods 17 reach the goods tree 18 from the goods take-off 13 and are wound up there.
  • the main drive 5 of the weaving device 2 is now connected to a controller 19 via a rotary encoder 20 and at least the warp beam drive 11, so that an electrical coupling of these two drives and thus, if necessary, an angularly rigid behavior of the warp beam 6 or its drive to the main drive 5 the weaving facility is possible.
  • this enables the drive 11 of the warp beam 6 to be set in motion in a phase-locked manner with the start of the main drive 5, so that changes in the tension of the warp thread coulter between the warp beam 6 and the weaving device 2 are avoided. This, in turn, prevents vibrations and the resulting changes in tension in the warp threads occurring in the starting phase. Practical tests have shown that weaving errors in the start-up phase can be practically completely avoided.
  • the main drive 5 for the weaving device 2 has a rotary encoder 20 which forwards the speed of the main drive 5 and / or its position to the warp let-off control 19.
  • the Kettbaum drive 11 can then be controlled synchronously, for example.
  • the information connection between the two drives runs here electrically via the warp let-off control 19 and not, as previously, indirectly via the tension of the warp threads 7. This type of connection makes it possible to avoid changes in tension from the outset, while in the previous control these changes in tension only occur had to occur to cause a reaction by the Kettbaum drive 11.
  • the warp thread tension sensor 10 which was also present in the prior art up to now, was also retained in the weaving machine 1 according to the invention in order to control the tension and adjust it if necessary.
  • the tension information is also fed to the warp let-off control 19, which then triggers a change in tension by appropriate activation of the warp beam drive 11.
  • the warp thread tension sensor 10 thus only provides correction values, which, however, can be processed very slowly and do not require a complicated control device.
  • the goods take-off 13 is also preferably connected to a separate drive 12 which is connected to the control 19 which then forms a warp let-off and goods take-off control.
  • the goods take-off can thus be adjusted continuously and exactly to the respective goods 17 produced, in particular their thickness and also different weave densities. Cumbersome mechanical transmissions between the main drive 5 and the goods take-off 13 are thus avoided.
  • the warp thread tension decreases after a certain time and the possibility is now created to exactly restore the actual state of the warp thread tension that was originally present when the weaving machine was stopped. Only after this production of the original thread tension is the weaving device 2 set in motion, so that it can continue to work under the same conditions as were present when it was stopped. This also prevents weaving errors.
  • the comb-like reed 4 carries out a pivoting movement against the fabric edge 21 in each cycle and the density of the fabric also depends on what the relative position between the fabric edge 21 and the reed 4 is.
  • the position of the goods edge 21 can now be monitored with a position sensor 22 which is connected to the warp let-off and goods take-off control 19.
  • a position sensor 22 which is connected to the warp let-off and goods take-off control 19.
  • FIG. 3 shows a diagram comparable to FIG. 2, but here with a previous warp let-off control in which the "information connection" between the weaving device 2 and the warp beam drive 11 takes place indirectly via the warp thread tension.
  • the weaving machine starts running from the point of intersection of the diagram axes (curve a), while the warp let-off is delayed somewhat (curve b).
  • curve a After the acceleration phase, curve a and thus the working speed of the weaving machine changes into a continuous range.
  • overshoot processes occur in the warp lowering and the warp lowering curve b is only adapted to the working speed of the weaving machine (curve a) after a few weaving cycles.
  • the settling processes can extend over 20 weaving cycles, which results in a corresponding material scrap. This is avoided with the weaving machine according to the invention and, moreover, additional possibilities are created.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP92111859A 1991-07-17 1992-07-11 Métier à tisser et procédé pour actionner un métier à tisser Expired - Lifetime EP0523581B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4123671 1991-07-17
DE4123671A DE4123671A1 (de) 1991-07-17 1991-07-17 Webmaschine

Publications (2)

Publication Number Publication Date
EP0523581A1 true EP0523581A1 (fr) 1993-01-20
EP0523581B1 EP0523581B1 (fr) 1996-01-03

Family

ID=6436358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92111859A Expired - Lifetime EP0523581B1 (fr) 1991-07-17 1992-07-11 Métier à tisser et procédé pour actionner un métier à tisser

Country Status (2)

Country Link
EP (1) EP0523581B1 (fr)
DE (2) DE4123671A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325038A1 (de) * 1992-08-18 1994-02-24 Regatron Ag Steinach Regeleinrichtung für den Vorschub von Wickelgut einer Webmaschine
EP0648875A1 (fr) * 1993-10-14 1995-04-19 Sulzer RàœTi Ag Dispositif de contrôle de la frappe du peigne pour métier à tisser
WO1996012838A1 (fr) * 1994-10-20 1996-05-02 Starlinger & Co. Gesellschaft Mbh Dispositif attracteur d'un tissu pour metier a tisser circulaire
WO1996017985A1 (fr) * 1994-12-07 1996-06-13 Icbt Diederichs Metier a tisser
EP0796937A2 (fr) * 1996-03-12 1997-09-24 NUOVO PIGNONE S.p.A. Dispositif de commande pour métier à tisser sans navette
WO2002052082A1 (fr) * 2000-12-27 2002-07-04 Textilma Ag Dispositif pour l'amenee controlee de fils de chaine a un metier mecanique ou a un metier a mailles jetees
EP1258551A1 (fr) * 2001-05-09 2002-11-20 Carl Freudenberg KG Procédé d'utilisation d'un métier à tisser
EP1445364A3 (fr) * 2003-02-04 2005-01-19 Promatech S.p.A. Métier à tisser avec plusieurs moteurs avec une installation électrique améliorée
WO2007042099A1 (fr) * 2005-10-14 2007-04-19 Memminger-Iro Gmbh Unite d'exploitation pour machines a former des mailles
CN101088727B (zh) * 2007-07-18 2010-05-19 青岛金三阳纺织机械有限公司 塑料编织喷水织机
CN102605518A (zh) * 2011-01-21 2012-07-25 津田驹工业株式会社 织机的经纱送经方法和装置
CN104746218A (zh) * 2015-04-01 2015-07-01 欧真自动化科技（上海）有限公司 一种具有自动变纬密的电子卷取送经伺服系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668997A5 (en) * 1985-12-16 1989-02-15 Zellweger Uster Ag Re-start working parameter control - for weaving loom by warp tension sensor and microcomputer with memory
DE9108796U1 (fr) * 1991-07-17 1991-09-05 Berger Lahr Gmbh, 7630 Lahr, De
DE4137681A1 (de) * 1990-11-19 1992-05-27 Toyoda Automatic Loom Works Verfahren und vorrichtung zur verhinderung der erzeugung eines schussstreifens in einem duesenwebstuhl

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60155757A (ja) * 1984-01-20 1985-08-15 津田駒工業株式会社 織機の電動送り出し・巻取制御方法およびその装置
JPS60181349A (ja) * 1984-02-24 1985-09-17 津田駒工業株式会社 織機の巻取り制御装置
IT1179857B (it) * 1984-12-10 1987-09-16 Ergotron Sas Di Dondi Benelli Dispositivo per ripristinare in un telaio tessile condizioni operative prestabilite alla ripresa del funzionamento dopo un interruzione in particolare dopo una rottura della trama
DE3528280A1 (de) * 1985-08-07 1987-02-19 Stromag Maschf Verfahren und vorrichtung zur regelung eines kettbaumantriebs einer webmaschine
BE1002312A3 (nl) * 1988-07-12 1990-11-27 Picanol Nv Inrichting voor het instellen van de kettingspanning bij een weefmachine.
JP2894709B2 (ja) * 1988-12-28 1999-05-24 株式会社豊田中央研究所 経糸速度制御装置
BE1002819A3 (nl) * 1989-02-06 1991-06-18 Picanol Nv Werkwijze voor het weven van een weefsel met een weefselpatroon, en weefmachines die deze werkwijze toepassen.
IT1232389B (it) * 1989-03-21 1992-02-17 Ergotron Dondi Benelli Dore Procedimento e dispositivo per impedire la formazione di barrature di trama nel tessuto alla ripresa di un funzionamento di un telaio dopo una interruzione
DE3921318A1 (de) * 1989-06-29 1991-01-10 Dornier Gmbh Lindauer Verfahren zum anwerfen einer webmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668997A5 (en) * 1985-12-16 1989-02-15 Zellweger Uster Ag Re-start working parameter control - for weaving loom by warp tension sensor and microcomputer with memory
DE4137681A1 (de) * 1990-11-19 1992-05-27 Toyoda Automatic Loom Works Verfahren und vorrichtung zur verhinderung der erzeugung eines schussstreifens in einem duesenwebstuhl
DE9108796U1 (fr) * 1991-07-17 1991-09-05 Berger Lahr Gmbh, 7630 Lahr, De

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4325038A1 (de) * 1992-08-18 1994-02-24 Regatron Ag Steinach Regeleinrichtung für den Vorschub von Wickelgut einer Webmaschine
EP0648875A1 (fr) * 1993-10-14 1995-04-19 Sulzer RàœTi Ag Dispositif de contrôle de la frappe du peigne pour métier à tisser
US5499662A (en) * 1993-10-14 1996-03-19 Sulzer Rueti Ag Method for preventing the formation of fabric blemishes by controlling beat-up in a loom
CN1042048C (zh) * 1994-10-20 1999-02-10 施塔林格有限公司 圆形纺织机中的纺织品引出装置
WO1996012838A1 (fr) * 1994-10-20 1996-05-02 Starlinger & Co. Gesellschaft Mbh Dispositif attracteur d'un tissu pour metier a tisser circulaire
WO1996017985A1 (fr) * 1994-12-07 1996-06-13 Icbt Diederichs Metier a tisser
FR2727987A1 (fr) * 1994-12-07 1996-06-14 Icbt Diederichs Sa Metier a tisser
CN1042355C (zh) * 1994-12-07 1999-03-03 Icbt戴德里茨斯 织机
US5797433A (en) * 1994-12-07 1998-08-25 Icbt Diederichs Weaving apparatus with motor controlled weft insertion
EP0796937A3 (fr) * 1996-03-12 1999-01-07 NUOVO PIGNONE S.p.A. Dispositif de commande pour métier à tisser sans navette
EP0796937A2 (fr) * 1996-03-12 1997-09-24 NUOVO PIGNONE S.p.A. Dispositif de commande pour métier à tisser sans navette
WO2002052082A1 (fr) * 2000-12-27 2002-07-04 Textilma Ag Dispositif pour l'amenee controlee de fils de chaine a un metier mecanique ou a un metier a mailles jetees
EP1258551A1 (fr) * 2001-05-09 2002-11-20 Carl Freudenberg KG Procédé d'utilisation d'un métier à tisser
EP1445364A3 (fr) * 2003-02-04 2005-01-19 Promatech S.p.A. Métier à tisser avec plusieurs moteurs avec une installation électrique améliorée
WO2007042099A1 (fr) * 2005-10-14 2007-04-19 Memminger-Iro Gmbh Unite d'exploitation pour machines a former des mailles
CN101088727B (zh) * 2007-07-18 2010-05-19 青岛金三阳纺织机械有限公司 塑料编织喷水织机
CN102605518A (zh) * 2011-01-21 2012-07-25 津田驹工业株式会社 织机的经纱送经方法和装置
EP2479326A3 (fr) * 2011-01-21 2013-05-22 Tsudakoma Kogyo Kabushiki Kaisha Procédé d'alimentation de chaîne et dispositif d'alimentation de chaîne dans un métier à tisser
CN104746218A (zh) * 2015-04-01 2015-07-01 欧真自动化科技（上海）有限公司 一种具有自动变纬密的电子卷取送经伺服系统

Also Published As

Publication number Publication date
EP0523581B1 (fr) 1996-01-03
DE59204888D1 (de) 1996-02-15
DE4123671A1 (de) 1993-01-21

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