EP0899367A1 - Auswahlvorrichtung, Dreipositions- Fachbildungsmechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus - Google Patents

Auswahlvorrichtung, Dreipositions- Fachbildungsmechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus Download PDF

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Publication number
EP0899367A1
EP0899367A1 EP98420147A EP98420147A EP0899367A1 EP 0899367 A1 EP0899367 A1 EP 0899367A1 EP 98420147 A EP98420147 A EP 98420147A EP 98420147 A EP98420147 A EP 98420147A EP 0899367 A1 EP0899367 A1 EP 0899367A1
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EP
European Patent Office
Prior art keywords
lever
levers
hooks
electromagnets
selection device
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
EP98420147A
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English (en)
French (fr)
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EP0899367B1 (de
Inventor
Michael Himmelstoss
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Staeubli Lyon SA
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Staeubli Lyon SA
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Publication date
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Application filed by Staeubli Lyon SA filed Critical Staeubli Lyon SA
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/12—Multiple-shed jacquards, i.e. jacquards which move warp threads to several different heights, e.g. for weaving pile fabrics
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/20—Electrically-operated jacquards

Definitions

  • the invention relates to a selection device, to a Jacquard loom mechanics with three positions and one weaving loom equipped with such a weaving mechanism.
  • a weaving loom incorporating armor mechanics suitable for generating three positions of chain son is used for making special fabrics, such as including velvet or a carpet.
  • the invention aims to solve these problems and to propose a three position armor mechanics selection device simple, therefore economical, able to operate at speeds high and consuming little energy.
  • Another objective of the invention is to provide a selection device capable of operating with hooks suitable for moved in pairs.
  • the invention relates to a device for selection of three position armor mechanics including two superimposed electromagnets capable of being selectively activated, characterized in that it comprises at least one pair of pivoting levers arranged on the same side of said electromagnets and each provided with a magnetic frame suitable for selectively cooperate with one of said electromagnets, each lever being provided with a immobilization spout of a hook belonging to a pair of hooks suitable for being moved together by a knife.
  • each lever of a pair of levers can be controlled independently by one of the electromagnets to immobilize or not a hook belonging to a pair of hooks. This allows, depending on the activation of the electromagnets, to selectively immobilize one or the other of the hooks belonging to a pair, or even these two hooks to the times, or none of them.
  • the pivoting of the two levers has place without deformation of these or movable hooks they allow selection, which avoids mechanical fatigue of these elements.
  • the lever spouts are adapted to be arranged on either side of the pair of hooks. Thanks to this aspect of the invention, the spouts enclose the two hooks belonging to a pair of hooks like pliers, which guarantees a particularly effective immobilization of hooks, including understood when the traction exerted by the arches is important.
  • the levers are articulated around arranged pivot axes, in a central area, close to the electromagnets.
  • This positioning of the pivot axes of the levers gives the device of the invention good compactness, which is important when a large number of hooks must be controlled by the device of the invention. this allows also to achieve, thanks to the two levers belonging to a pair, a movement of clamps for immobilizing the hooks belonging to a pair of hooks.
  • a first lever extends on either side of its axis of pivoting, the magnetic armature of this lever being carried by a first branch of this lever, while the beak of this lever is carried by a second branch of this lever.
  • This lever geometry allows, when its armature is arranged next to the upper electromagnet, to provide that activation of this electromagnet results in distance or keeping the spout of this lever far away by relative to a median axis of the device.
  • a second lever extends globally in a single direction relative to its pivot axis. When the second lever is placed opposite an electromagnet lower, activation of the electromagnet results in the approximation of its beak or in maintaining the beak in a position close to the median axis of the device.
  • the distance between the spouts of the first and second levers is larger when at least one of the electromagnets is activated only when none of the electromagnets is activated.
  • the activation of the electromagnet thus results in the opening a clamp formed by the two levers or in maintaining open position of such a clamp and, therefore, in the release total or partial of the pair of hooks likely to be immobilized by these two levers.
  • the device comprises elastic return means of the levers in a direction of mutual approximation of the mouthpieces of the levers. These return means push the spouts of the levers towards a position for locking or immobilizing the hooks of a pair of hooks.
  • the hooks of the pair of hooks each have an orifice receiving a spout from one of the levers, these orifices being arranged on either side of the pair of hooks.
  • Each hook of the pair of hooks can thus be immobilized by one side of the pair of hooks, without interference from the other hook.
  • the invention also relates to a mechanical armor of Jacquard loom with three positions including a selection as previously described and a loom equipped with such armor mechanics.
  • the three armor mechanics selection device positions shown in Figure 1 is intended to immobilize, in the vicinity of the top dead center of their trajectory, two movable hooks 1 and 2 or 1 'and 2' able to be moved jointly supported on a knife 3 animated by a movement vertical alternative.
  • These mobile hooks 1 and 2 or 1 'and 2' are respectively connected to a 4 and 5 or 4 'and 5' cord constituting a funicular element allowing to move vertically a pulley controlling the altitude of a stringer belonging to a Jacquard harness.
  • These hooks work in pairs, resting on each other, as described in French patent application 96 12329 in the name of the applicant.
  • the mechanism includes two superimposed electromagnets 8 and 9 capable of being selectively activated by means of a command not shown.
  • levers 10 and 11 On either side of the electromagnets 8 and 9 are arranged two pairs of levers 10 and 11, respectively 10 'and 11'.
  • the levers 10 and 10 ' are identical, as are the levers 11 and 11'.
  • the levers 10 and 11 are respectively articulated around pivot axes 12 and 13.
  • the levers 10 'and 11' are articulated around axes 12 'and 13'.
  • the lever 10 is provided with a magnetic armature 15 intended to cooperate with the core 8 a of the electromagnet 8 for the purpose of controlling the pivoting of the lever 10 around the axis 12.
  • the armature 15 is constituted by a first branch 10 a of the lever 10 extending, from the axis 12, in the opposite direction of the hooks 1 and 2.
  • the lever 10 ' is equipped with a frame 15' intended to cooperate with the core 8 a .
  • the lever 11 also comprises an armature 16 constituted by a part of the lever 11 extending opposite the core 9 a of the electromagnet this armature being intended to cooperate with the core 9 a .
  • An equivalent frame 16 ' is provided on the lever 11'.
  • the frames 16 and 16 ' are provided in the upper part of the levers 11 and 11'.
  • Return springs 20 and 21, 20 'and 21' are respectively provided for permanently pushing the levers 10 and 11, 10 'and 11' away from the frames 15 and 16, 15 'and 16' from the cores 8 a and 9 has electromagnets 8 and 9.
  • the stiffness constant of the springs 20 and 21, 20 'and 21' is chosen so that, when the armature of one of the levers is distant from the electromagnet with which it must cooperate, the force generated by the activation of the electromagnet is not sufficient to overcome the force due to the spring.
  • Each lever 10 and 11, 10 'and 11' is provided with a spout respectively referenced 30, 31, 30 'or 31'. These spouts constitute the end of the levers 10, 11, 10 'and 11' on the side of the hooks 1, 2, 1 'and 2'.
  • the spout 30 is carried by a second branch 10b of the lever 10 which extends in the direction of the pair of hooks 1, 2 from the axis 12.
  • pivot axes 12, 12 'and 13, 13' are located in a central zone C of the device which includes the lower part of the upper electromagnet 8 and the part upper solenoid lower 9.
  • the device When the spouts 30 and 31 are in place in the openings 1 a and 2 a , the device is in the position shown on the left in FIG. 1 in which the spouts 30 and 31 'penetrate respectively into the openings 1' a and 2 ' has hooks 1' and 2 '.
  • the orifices 1 a , 1 ′ a and 2 a , 2 ′ a are inclined relative to a median axis XX ′ of the device, which allows them to cooperate closely with the shape of the spouts 30, 30 ′ and 31, 31 '.
  • the electromagnets 8 and 9 are not not activated, so that under the effect of the return springs 20 and 21, the levers 10 and 11 are pushed in a direction of mutual approximation of the nozzles 30 and 31.
  • the head 1b constituting the upper part of the hook 1 engages between the spouts 30 and 31 and moves them apart due to its tapered shape and the slope of the hooks 30 and 31 on their outer faces.
  • the head 1b repels the armatures 15 and 16 of the levers 10 and 11 respectively in contact with the cores 8a and 9a of the electromagnets 8 and 9.
  • the electromagnets 8 and 9 may or may not be activated.
  • the armatures 15 and 16 remain pressed against the cores 8 a and 9 a against the force of the springs 20 and 21.
  • the device is then in the position on the right of FIG. 1 in which the pair of hooks 1, 2 can, from its top dead center position shown in broken lines, come down again by pressing on the knife 3.
  • the springs 20 and 21 push the levers 10 and 11 respectively, so that the nozzles 30 and 31 penetrate into the orifices 1 a and 2 has hooks 1 and 2 when passing these orifices opposite the spouts 30 and 31.
  • the hooks 1 and 2 are then immobilized in the vicinity of the top dead center of their trajectory, as shown in FIG. 3. The hooks then remain in this position as long as the knife 3 does not not come back, at the end of an upward movement, raise the hooks 1 and 2 so as to release them from the spouts 30 and 31 and that the electromagnets 8 or 9 are not activated.
  • the distance d between the spouts 30 and 31 is variable depending on the activation of the electromagnets. As is apparent from Figures 1 to 3, this distance d is greater when at least one of the electromagnets is activated ( Figures 1 and 2) than when none of them is activated ( Figure 3).
  • the geometry of the spout 30 which includes a front face 30 a oblique to the axis XX 'allows it to cooperate with the head 1 b of the hook 1 to cause an erasing movement of the lever 10 on approach of the pair of hooks 1, 2 near the top dead center of its trajectory.
  • This aspect of the device of the invention makes it possible to provide that the elastic return force of the spring 20 is overcome mechanically thanks to the force transmitted by the knife 3, the pair of hooks 1, 2 and the lever 10, while the force electro-magnetic only serves to maintain the lever 10 in the position of FIG. 1.
  • the electromagnets must therefore generate only an electromagnetic force for immobilizing the lever 10, this electromagnetic force being much less than that which would be necessary for attract such a lever from its remote position obtained under the effect of the restoring force due to the spring 20.
  • the geometry of the spout 31 allows also the erasing of the lever 11 and therefore the use of a electromagnet 9 able to generate only a force electromagnetic immobilization of the lever 11 in position.
  • Armor mechanics of a three-loom positions includes a multiplicity of selection devices as previously described and can operate with high reliability at high speeds and consuming little energy.
  • a loom equipped with such a mechanism allows thus obtaining, at lower cost, special fabrics such as velvets or carpets.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP98420147A 1997-09-01 1998-08-28 Auswahlvorrichtung, Dreipositions- Fachbildungsmechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus Expired - Lifetime EP0899367B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9711031A FR2767843B1 (fr) 1997-09-01 1997-09-01 Dispositif de selection, mecanique d'armure a trois positions et metier a tisser equipe d'une telle mecanique d'armure
FR9711031 1997-09-01

Publications (2)

Publication Number Publication Date
EP0899367A1 true EP0899367A1 (de) 1999-03-03
EP0899367B1 EP0899367B1 (de) 2002-06-19

Family

ID=9510776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98420147A Expired - Lifetime EP0899367B1 (de) 1997-09-01 1998-08-28 Auswahlvorrichtung, Dreipositions- Fachbildungsmechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus

Country Status (7)

Country Link
US (1) US5996648A (de)
EP (1) EP0899367B1 (de)
JP (1) JP3426141B2 (de)
CN (1) CN1088769C (de)
DE (1) DE69806106T2 (de)
FR (1) FR2767843B1 (de)
TR (1) TR199801721A2 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1111107A1 (de) * 1999-12-23 2001-06-27 NV Michel van de Wiele Fachbildungsvorrichtung für eine Webmaschine
EP1619279A1 (de) 2004-07-19 2006-01-25 Staubli Lyon Fachbildemechanismus, Dreipositions-Fachbildemechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus
EP4015687A1 (de) 2020-12-21 2022-06-22 Staubli Lyon Fachbildungsmechanismus und webmaschine vom typ jacquardwebmaschine, die mit einem solchen mechanismus ausgestattet ist
EP4015686A1 (de) 2020-12-21 2022-06-22 Staubli Lyon Fachbildungsmechanismus und webmaschine vom typ jacquardwebmaschine, die mit einem solchen mechanismus ausgestattet ist

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1217114B1 (de) * 2000-12-08 2006-01-11 SCHÖNHERR Textilmaschinenbau GmbH Verfahren zur Herstellung eines Doppelpolgewebes
CN2476569Y (zh) * 2001-04-02 2002-02-13 张海林 提花机的提综控制装置
FR2888256B1 (fr) * 2005-07-06 2007-09-21 Staubli Lyon Sa Dispositif d'accrochage entre elements d'un dispositif de formation de la foule, son procede de fabrication et procede d'accrochage au moyen d'un tel dispositif
FR2900666B1 (fr) * 2006-05-03 2008-06-20 Staubli Lyon Soc Par Actions S Mecanisme de formation de la foule, metier a tisser equipe d'un tel mecanisme et procede de selection des crochets mobiles d'un tel mecanisme
CN104372486B (zh) * 2013-08-14 2016-12-28 王伯奇 时差电磁铁提花选经机构与选经方法
CN105155076B (zh) * 2015-09-25 2017-04-12 浙江慧林智能设备有限公司 电子提花机的电磁阀组件
CN110670228A (zh) * 2019-11-22 2020-01-10 浙江慧林智能设备有限公司 一种高集成电子提花选针机构
CN112392841B (zh) * 2020-09-25 2022-04-01 杭州万木电子有限公司 一种上绳挂钩的磨损补偿方法及应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107099A1 (de) * 1982-10-26 1984-05-02 Textilma AG Einzellitzensteuerung für eine Webmaschine mit einer Fachbildevorrichtung
EP0723041A1 (de) * 1995-01-17 1996-07-24 N.V. Michel Van de Wiele Dreistand-Offenbach-Jacquardmaschine
FR2756574A1 (fr) * 1996-11-29 1998-06-05 Staubli Lyon Dispositif de selection, mecanique d'armure a trois positions et metier a tisser equipe d'une telle mecanique d'armure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2691481A1 (fr) * 1992-05-25 1993-11-26 Staubli Verdol Crochet mobile de dispositif de formation de la foule.
DE4309983C2 (de) * 1993-03-29 1996-09-05 Schleicher Oskar Fachbildevorrichtung für Webmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107099A1 (de) * 1982-10-26 1984-05-02 Textilma AG Einzellitzensteuerung für eine Webmaschine mit einer Fachbildevorrichtung
EP0723041A1 (de) * 1995-01-17 1996-07-24 N.V. Michel Van de Wiele Dreistand-Offenbach-Jacquardmaschine
FR2756574A1 (fr) * 1996-11-29 1998-06-05 Staubli Lyon Dispositif de selection, mecanique d'armure a trois positions et metier a tisser equipe d'une telle mecanique d'armure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1111107A1 (de) * 1999-12-23 2001-06-27 NV Michel van de Wiele Fachbildungsvorrichtung für eine Webmaschine
BE1013193A3 (nl) * 1999-12-23 2001-10-02 Wiele Michel Van De Nv Gaapvormingsinrichting voor een weefmachine.
US6336478B2 (en) 1999-12-23 2002-01-08 N.V. Michel Van De Wiele Shed-forming device for a weaving machine
EP1619279A1 (de) 2004-07-19 2006-01-25 Staubli Lyon Fachbildemechanismus, Dreipositions-Fachbildemechanismus und Webmaschine mit einem solchen Fachbildungsmechanismus
EP4015687A1 (de) 2020-12-21 2022-06-22 Staubli Lyon Fachbildungsmechanismus und webmaschine vom typ jacquardwebmaschine, die mit einem solchen mechanismus ausgestattet ist
EP4015686A1 (de) 2020-12-21 2022-06-22 Staubli Lyon Fachbildungsmechanismus und webmaschine vom typ jacquardwebmaschine, die mit einem solchen mechanismus ausgestattet ist
FR3118070A1 (fr) 2020-12-21 2022-06-24 Staubli Lyon Mecanisme de formation de la foule et metier a tisser de type jacquard equipe d'un tel mecanisme
FR3118069A1 (fr) 2020-12-21 2022-06-24 Staubli Lyon Mecanisme de formation de la foule et metier a tisser de type jacquard
US11702771B2 (en) 2020-12-21 2023-07-18 Staubli Lyon Shedding mechanism and jacquard-type weaving loom equipped with such a mechanism

Also Published As

Publication number Publication date
FR2767843A1 (fr) 1999-03-05
DE69806106D1 (de) 2002-07-25
EP0899367B1 (de) 2002-06-19
TR199801721A3 (tr) 1999-03-22
CN1215103A (zh) 1999-04-28
DE69806106T2 (de) 2003-03-06
US5996648A (en) 1999-12-07
JPH11140741A (ja) 1999-05-25
TR199801721A2 (xx) 1999-03-22
FR2767843B1 (fr) 1999-10-22
CN1088769C (zh) 2002-08-07
JP3426141B2 (ja) 2003-07-14

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