EP0848097A1 - Dispositif d'entraínement pour la formation de la foule dans les métiers à tisser - Google Patents

Dispositif d'entraínement pour la formation de la foule dans les métiers à tisser Download PDF

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Publication number
EP0848097A1
EP0848097A1 EP97120405A EP97120405A EP0848097A1 EP 0848097 A1 EP0848097 A1 EP 0848097A1 EP 97120405 A EP97120405 A EP 97120405A EP 97120405 A EP97120405 A EP 97120405A EP 0848097 A1 EP0848097 A1 EP 0848097A1
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EP
European Patent Office
Prior art keywords
drive device
shaft
drive
assigned
gear
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
EP97120405A
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German (de)
English (en)
Other versions
EP0848097B1 (fr
Inventor
Rainer Dr. Gössl
Hans-Dieter Hetzer
Steffen Kaiser
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.)
Schoenherr Textilmaschinenbau GmbH
Original Assignee
Schonherr Webstuhlbau GmbH
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Application filed by Schonherr Webstuhlbau GmbH filed Critical Schonherr Webstuhlbau GmbH
Publication of EP0848097A1 publication Critical patent/EP0848097A1/fr
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Anticipated expiration legal-status Critical
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D03C13/02—Shedding mechanisms not otherwise provided for with independent drive motors
    • D03C13/025—Shedding mechanisms not otherwise provided for with independent drive motors with independent frame drives
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D03C3/36—Griffe operating mechanisms

Definitions

  • the invention relates to a drive device for the shedding elements of Weaving machines which, depending on the weaving rhythm, have a lifting movement in execute alternating directions relative to the weft insertion plane at which the strands guiding the warp threads constantly or temporarily, changing according to the pattern, are coupled directly or via intermediate links, the drive device has an electrically controllable motor, the movement of which with Main shaft of the weaving machine is synchronized.
  • Drive devices of the type mentioned are one for driving the shafts Weaving machine by DE-Gbm 87 10 997.2 and DE 37 21 932 C2 known.
  • the drive device for the shafts described in these documents has an eccentric shaft which contains a plurality of drive cam disks for each of the shafts. Depending on the position of the shaft in the compartment, these cams can be equipped with different stroke sizes and different forms of movement between the end positions of the shafts.
  • this eccentric shaft is driven with the aid of a motor which can be regulated via a motor control.
  • this motor control ensures synchronization with the main shaft of the weaving machine.
  • this motor control also serves to regulate the drive speed of the eccentric shaft for the purpose of changing the changing speed.
  • This drive device for the dobby can also be operated independently of the main drive of the weaving machine. If weft breaks occur, the position of the shafts after switching a clutch is brought into a position in which the broken weft can be removed and a new shot can be inserted by controlling the dobby.
  • the assignment of the shafts to the individual cams must be changed. This can be done manually in a manner known per se or - automatically controlled by couplings. If the repeat size is changed, changing the cams is often unavoidable.
  • the respective size of the shaft stroke is fixed either by a fixed assignment of the cam disc or by a design of the translation of the coupling links to the shafts. Changing the stroke size from a textile technology perspective is only possible with a considerable amount of work.
  • This device also does not allow, depending on the type of binding, to differentiate the zero crossing of the warp threads when changing the shed. A Accumulation of the warp threads in this area can cause the threads to jam with each other and thus lead to a locked subject, that when the shot entry Warp thread breaks and thus machine downtimes.
  • the object of the present invention is to generate the drive movements for each shaft in such a way that different binding reports, different stroke sizes and different movement sequences are possible during the change of subject. It is also desirable that, depending on the textile technology conditions in the event of weft breakage, warp breakage and a long standstill, for other reasons the technical position is guaranteed when the machine is at a standstill, which guarantees optimal operating options and optimal effects with regard to the woven goods. A simple and clear design of the drive and a rational use of energy should be guaranteed.
  • the position and size of the stroke can be adapted to an optimal compartment geometry by making corrections to the program. It is possible to stagger the center passage of the warp threads in such a way that stapling or swinging of the warp threads can be largely avoided. Whenever the machine is stopped, the shedding elements can be placed in a position that is optimal for troubleshooting and that minimizes the effects of machine downtime on the quality of the goods.
  • Claim 3 describes the optimal basic shape for the transmission of the rotary movement of the motor to the up and down movable shafts.
  • a worm gear according to claim 8 is recommended when an inexpensive gear is required.
  • a toothed belt transmission according to claim 9 is recommended if you want to reduce the moving masses and improve the smoothness.
  • the design of the drive according to claim 10 is useful for direct driving of the shafts at high weaving speeds.
  • the embodiment according to claim 11 brings cost advantages and allows a sufficient variability of the drives for the majority of applications.
  • the design of the drive according to claim 12 is particularly suitable for driving knife boxes and carriers for finger rakes.
  • the assignment of an electrical intermediate circuit with energy storage function and its targeted and controlled connection in acceleration processes according to claim 13 ensures optimal use of the energy.
  • program memories for controlling the motors according to claim 14 enables, in addition to a reliable synchronicity of the movements, a quick adaptation to the required bindings and conditions.
  • selectable program complexes according to claim 15 extensive experience can be called up in a ready-to-use, complex form. This also applies to the adaptation of the working method to certain textile materials or material combinations according to claim 16.
  • program memories for stopping programs according to claim 17 the machine can be stopped in each position in which optimal operation is possible depending on the detected error.
  • the machine In the event of a broken shot, the machine is automatically moved into the position in which the broken shot was determined (according to claim 18). When the warp thread breaks, the position is approached at which the broken warp thread is positioned in the directly accessible compartment (according to claim 19). When the machine is stopped for production-related or organizational reasons, in which the machine is to be standing for a longer period of time, such a position of the shedding elements is set that enables the lowest tensile load on the warp threads (according to claim 20).
  • the pile thread guides which can be controlled by a jacquard device, are also involved in the formation of a double carpet weaving machine. These pile thread guides - or also called jacquard strands JL - are guided during shed formation between the shafts S and the rearmost position of the reed 91.
  • the gripper bars GO, GU which insert a weft thread SO, SU in each tour or in selected tours, are guided into the compartments formed by the above-mentioned compartment control elements S, JL.
  • the control of the shafts S for the purpose of shed formation will first be described with reference to FIG. 1, in relation to the shaft 1, in a first exemplary embodiment. In the present example, each shaft frame, or simply put, each shaft 1 ...
  • the angle levers 122 are positively connected to one another by a drive rail 123 per shaft 1, which extends over a large part of the machine.
  • This drive rail 123 is preferably driven outside the working area of the weaving machine via a drive lever 124 assigned to it.
  • This is in turn connected via a coupling 125 to the nut 131 of a ball screw drive 13.
  • the ball screw 132 is coupled to the axis of the motor 14 directly or via a coupling.
  • Such a ball screw gear 13 is assigned to each drive lever 124, which is assigned to a shaft 1 ... 6.
  • Each ball screw spindle 132 is driven by a separate position-oriented controllable motor 141, 142, 143, 144, 145, 146.
  • an IGR incremental encoder
  • a central control computer 8 coordinates the separate control units 151, 152, 153, 154, 155, 156.
  • This control computer has inputs for receiving synchronization signals from the encoder 81 on the main shaft HW of the machine.
  • the control computer has inputs which are connected to the weft guard SW and inputs which take over information or impulses from the warp guard KW1 ... KW4.
  • These warp monitors are assigned to the warp threads in groups according to their function (preferably shaft-wise). This assignment serves primarily the purpose that the respective warp thread system, in which a warp thread break was found, to terminate the technical balance in a position when the machine is stopped, which ensures optimum operation when the warp thread break is eliminated.
  • an operating unit 82 which is the control computer in a manner known per se 8 is assigned, complex programs can preferably be entered, choose or correct.
  • the formation of the binding chain of the upper goods is BO and the bottom fabric BU and the binding of the filling chains FO, FU in Depending on the desired properties of the basic goods and depending on the way in which the poles are integrated in different basic bindings executed.
  • FIGS. 8 to 14 Seven of these basic weave variants are shown in FIGS. 8 to 14 in two ways of representation.
  • the left-hand illustration shows a schematic cross section through the upper fabric of the double carpet fabric along the warp threads.
  • the right-hand illustration shows the movement diagram (s) of the respective shaft 1 ... 4 of the corresponding binding chain BO, BU.
  • the distance between two adjacent vertical lines indicates the distance between two specialist representatives in two successive tours.
  • the top line symbolizes the top compartment O, the middle line the middle compartment M and the bottom line the bottom compartment U.
  • the binding warp thread BO of the upper fabric is primarily followed here.
  • FIG. 8 shows a 1-thread binding chain BO3 in plain weave with a carpet binding for 2-weft / 2-turn with a thin pile row density.
  • 9 shows a single-thread plain weave in which the binding chain BO3 changes to the other compartment level after every second tour. It is used with a relatively low pile row density for a 1-shot / 2-speed basic binding.
  • the rips 2/4 weave shown in FIG. 10 shows a two-thread binding chain BO1, BO2.
  • the binding chains BO1, BO2 alternate after every 4th tour. This binding is only rarely used because the dead poles are not integrated into the basic product. (Scraped goods)
  • the binding shown in Fig. 11 is referred to as Rips-2/2 (4-turn).
  • FIG. 12 Another variant of the Rips 2/2 binding is shown in FIG. 12.
  • This binding is used for 2-shot / 2-speed bindings with larger pole densities up to 100 pole rows / dm.
  • pile fabrics of this type all pile threads bind regularly via the back weft.
  • the advantage of this fabric in addition to the high stability of the base fabric, is the reliable and stable integration of all pile threads P, all of which protrude vertically from their base fabric.
  • the binding shown in FIG. 13 is used regularly for the basic carpet binding 3-weft / 3-turn and 2-weft / 3-turn.
  • the two-thread binding chain BO1, BO2 is alternately bound 3 times high and 3 times deep.
  • the basic weave according to Fig. 14 is used. It is called Rips-2/4 (8-turn). It is comparable to the binding in FIG. 13.
  • the binding chains BO1, BO2; BU1, BU2 alternately bind 4 times high and 4 times low.
  • the pile threads P are alternately tied in each article once on the inside weft and once on the back weft.
  • a zone M1 is provided between the two compartments for the pile threads P located in the central compartment.
  • the warp threads controlled in groups - namely the binding warp threads BO, BU and the filling chains FO, FU of the upper and lower goods are guided with the shafts 1 ... 6 (S) described above. Because of their generally smaller stroke, they are arranged behind the jacquard braids JL.
  • the invention now intends, in particular the middle passage of the binding chain BO, BU and the filling chain FO, FU - based on the pile warp threads P and their Movement - staggered so that there is no more than two within a choir At the same time encounter threads in the area of the center (small arrow).
  • each with the least Stroke sizes can be driven.
  • This is made possible in particular by the shape of the drive of the field forming elements S, JL described above with reference to FIG. 1.
  • each individual motor 141, 142, 143, 144, 145, 146 drives a shaft 1, 2, 3, 4, 5, 6, the stroke size, the position of the stroke and the center passage when changing subject by a program in be specified in a very specific way.
  • each of these motors 141, 142, 143, 144, 145, 146 a new, complex program prepared for this purpose and to control them in a manner known per se synchronously with the main shaft.
  • This program can be changed either by entering changed program memories or by activating and calling up internal memories according to the program.
  • These motors 141, 142, 143, 144, 145, 146 which are provided individually for each shaft 1, 2, 3, 4, 5, 6 and which each have an IGR and a control unit 151, 152, 153, 154, 155, 156 are assigned, can also perform other functions. If the machine is stopped due to a broken weft, triggered by the weft guard SW, the machine with its working elements - especially for training - can be brought into a position independent of the other drives, where the broken weft is removed and replaced by a new weft can be.
  • a thread break signal selected in this way can in each case the group of warp threads BO1, BO2, BU1, BU2, FO, FU in which a thread has broken, in bring an optimally operable position. Does this happen? B. towards the upper binding chain BO1, then its shaft 1 is moved into the optimal operating position, while the other shafts assume a position in which the warp threads are not excessively loaded.
  • These motors 714, 724 are reversible and can execute their movements according to any movement laws. In the present example, they drive one of the oscillating shafts 711, 721 and the respective coupling gear 712, 722 via a toothed gear 713, 723. For the design of the movement programs for these motors 714, 724, it is important to move the pile threads P selected for the pattern into a position during longer periods of standstill in which overstressing of the pile threads is avoided.
  • controller 8 for each of these stopping operations
  • each of these motors 17, 17 ' drives via toothed wheels 170, 171, 173 and toothed belt 172 simultaneously, in opposite directions, two toothed racks 174, 175, on each of which the shafts 1, 2 and 3, 4 for the designated binding are fastened.
  • the motor 17 is provided for the binding chains BO1 and BO2 (shafts 1, 2) of the upper fabric and the second motor 17 'for the binding chains BU1, BU2 (shafts 3, 4) of the lower fabric.
  • the shafts 5, 6 of the filling chains FO, FU can be controlled parallel to one another in the case of many bonds.
  • the ball screw gear 13 or the rack and pinion gear according to the FIGS. 4 or 5 and 6 can also be a reduction gear 713 or 714 use as shown in Fig. 3.
  • the rotary motion of the motor 714, 724 is here by means of toothed belt transmission 713, 723 to the oscillating shaft 711 or 721 and from there by means of two mutually parallel coupling gears 712, 712 '; 722, 722 'on the knife box 71 or on the carrier 72 for the Transfer finger rakes.
  • FIG. 7 A simple form of drive suitable for smaller weaving machines is shown in FIG. 7.
  • the drive lever 124 ′ has a toothed segment that interacts with a worm that is driven directly by the motor 14.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP97120405A 1996-12-13 1997-11-21 Dispositif d'entraínement pour la formation de la foule dans les métiers à tisser Revoked EP0848097B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19651799 1996-12-13
DE19651799A DE19651799A1 (de) 1996-12-13 1996-12-13 Antriebsvorrichtung für die Fachbildeelemente von Webmaschinen

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EP0848097A1 true EP0848097A1 (fr) 1998-06-17
EP0848097B1 EP0848097B1 (fr) 2003-04-02

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EP97120405A Revoked EP0848097B1 (fr) 1996-12-13 1997-11-21 Dispositif d'entraínement pour la formation de la foule dans les métiers à tisser

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DE (2) DE19651799A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1239068A1 (fr) * 2001-03-07 2002-09-11 Lindauer Dornier Gesellschaft M.B.H Entraínement des cadres harnais dans les métiers à tisser
EP1260620A1 (fr) * 2001-05-21 2002-11-27 Officina Meccanica Trinca Colonel Silvio & Figlio Sergio S.n.c. Dispositif pour l'entraínement et le réglage automatique des cadres d'un métier à tisser
FR2826671A1 (fr) * 2001-06-29 2003-01-03 Staubli Lyon Dispositif de formation de la foule sur un metier a tisser de type jacquard
EP1489208A1 (fr) * 2003-06-19 2004-12-22 Stäubli Faverges Dispositif de formation de la foule pour métier à tisser équipé de cadres de lisses, et métier à tisser incorporant un tel dispositif
EP1607501A1 (fr) * 2004-06-18 2005-12-21 SCHÖNHERR Textilmaschinenbau GmbH Procédé et dispositif pour former la foule d'une poile au dessin Jacquard dans un métier à tisser double peluche
EP1688520A2 (fr) * 2005-01-25 2006-08-09 NV Michel van de Wiele Dispositif pour activer les fils de châine de liage et de tension et métier à tisser pour tissu à poils avec un tel dispositif
WO2017076724A1 (fr) * 2015-11-02 2017-05-11 Grosse (Zhejiang) Machinery Co., Ltd Mécanisme de formation de la foule
CN109234897A (zh) * 2018-09-12 2019-01-18 刘道灵 一种用于纺布的智能制造装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040475A1 (de) * 2006-08-29 2008-03-20 Schneider & Ozga Breitwebmaschine
DE502007002798D1 (de) * 2006-08-29 2010-03-25 Schneider & Ozga Breitwebmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721932A1 (de) * 1987-07-02 1989-01-19 Grosse Webereimaschinen Gmbh Doppelhub-offenfach-jacquardmaschine
DE9102560U1 (de) * 1990-04-06 1991-05-23 Société Anonyme des Etablissements Staubli (France), Faverges, Haute-Savoie Vorrichtung zum Antrieb einer Mechanik zur Ausbildung des Fachs an einem Webstuhl
JPH04153342A (ja) * 1990-10-15 1992-05-26 Tsudakoma Corp 織機の経糸開口制御装置
JPH04241130A (ja) * 1990-12-28 1992-08-28 Tsudakoma Corp 織機の綜絖枠駆動回路
DE29618645U1 (de) * 1996-10-25 1997-01-02 Schneider & Ozga, 95463 Bindlach Schaftmaschine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE444007B (sv) * 1981-07-15 1986-03-17 Aelmhults Bruk Ab Hydraulisk skelbildningsanordning
DE8710997U1 (de) * 1987-08-12 1987-11-26 Emil Jäger GmbH & Co KG, 4400 Münster Webmaschine mit einer mechanischen Schaftmaschine
DD301487A7 (de) * 1989-03-29 1993-02-11 Chemnitzer Webmasch Gmbh Antriebsvorrichtung fuer webmaschinen, insbesondere doppelteppich- und plueschwebmaschinen
FR2724948B1 (fr) * 1994-09-27 1996-12-27 Staubli Sa Ets Mecanisme jacquard du type a courroies
SE510772C2 (sv) * 1995-06-12 1999-06-21 Texo Ab Anordning vid vävmaskin för anpassning av underskälets varp till resulterande kraftskillnader i under- och överskäl

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721932A1 (de) * 1987-07-02 1989-01-19 Grosse Webereimaschinen Gmbh Doppelhub-offenfach-jacquardmaschine
DE9102560U1 (de) * 1990-04-06 1991-05-23 Société Anonyme des Etablissements Staubli (France), Faverges, Haute-Savoie Vorrichtung zum Antrieb einer Mechanik zur Ausbildung des Fachs an einem Webstuhl
JPH04153342A (ja) * 1990-10-15 1992-05-26 Tsudakoma Corp 織機の経糸開口制御装置
JPH04241130A (ja) * 1990-12-28 1992-08-28 Tsudakoma Corp 織機の綜絖枠駆動回路
DE29618645U1 (de) * 1996-10-25 1997-01-02 Schneider & Ozga, 95463 Bindlach Schaftmaschine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 16, no. 443 (C - 0985) 16 September 1992 (1992-09-16) *
PATENT ABSTRACTS OF JAPAN vol. 17, no. 11 (C - 1015) 8 January 1993 (1993-01-08) *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1239068A1 (fr) * 2001-03-07 2002-09-11 Lindauer Dornier Gesellschaft M.B.H Entraínement des cadres harnais dans les métiers à tisser
EP1260620A1 (fr) * 2001-05-21 2002-11-27 Officina Meccanica Trinca Colonel Silvio & Figlio Sergio S.n.c. Dispositif pour l'entraínement et le réglage automatique des cadres d'un métier à tisser
CN100336953C (zh) * 2001-06-29 2007-09-12 施托布利里昂公司 用于在提花型织机中形成梭口的装置
FR2826671A1 (fr) * 2001-06-29 2003-01-03 Staubli Lyon Dispositif de formation de la foule sur un metier a tisser de type jacquard
WO2003002799A1 (fr) * 2001-06-29 2003-01-09 Staubli Lyon Dispositif de formation de la foule sur un metier a tisser de type jacquard
US7007721B2 (en) 2001-06-29 2006-03-07 Staubli Lyon Shedding device on a Jacquard-type weaving machine
EP1489208A1 (fr) * 2003-06-19 2004-12-22 Stäubli Faverges Dispositif de formation de la foule pour métier à tisser équipé de cadres de lisses, et métier à tisser incorporant un tel dispositif
FR2856412A1 (fr) * 2003-06-19 2004-12-24 Staubli Sa Ets Dispositif de formation de la foule pour metier a tisser equipe de cadres de lisses, et metier a tisser incorporant un tel dispositif
EP1607501A1 (fr) * 2004-06-18 2005-12-21 SCHÖNHERR Textilmaschinenbau GmbH Procédé et dispositif pour former la foule d'une poile au dessin Jacquard dans un métier à tisser double peluche
CN1710168B (zh) * 2004-06-18 2011-07-06 圣豪纺织机械有限公司 双面绒头织机上的提花绒头经纱的梭口形成的方法和装置
EP1688520A2 (fr) * 2005-01-25 2006-08-09 NV Michel van de Wiele Dispositif pour activer les fils de châine de liage et de tension et métier à tisser pour tissu à poils avec un tel dispositif
EP1688520A3 (fr) * 2005-01-25 2008-10-08 NV Michel van de Wiele Dispositif pour activer les fils de châine de liage et de tension et métier à tisser pour tissu à poils avec un tel dispositif
US7658209B2 (en) 2005-01-25 2010-02-09 N.V. Michel Van De Wiele Device for actuating binding and tension warp yarns and pile weaving machine provided with such a device
BE1016427A5 (nl) * 2005-01-25 2006-10-03 Wiele Michel Van De Nv Inrichting voor het aansturen van bind-en spankettinggarens, en poolweefmachine voorzien van een dergelijke inrichting.
WO2017076724A1 (fr) * 2015-11-02 2017-05-11 Grosse (Zhejiang) Machinery Co., Ltd Mécanisme de formation de la foule
CN109234897A (zh) * 2018-09-12 2019-01-18 刘道灵 一种用于纺布的智能制造装置

Also Published As

Publication number Publication date
EP0848097B1 (fr) 2003-04-02
DE59709686D1 (de) 2003-05-08
DE19651799A1 (de) 1998-06-18

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