EP0627512A1 - Dämpfungssystem für Webmaschinen - Google Patents

Dämpfungssystem für Webmaschinen Download PDF

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Publication number
EP0627512A1
EP0627512A1 EP94420160A EP94420160A EP0627512A1 EP 0627512 A1 EP0627512 A1 EP 0627512A1 EP 94420160 A EP94420160 A EP 94420160A EP 94420160 A EP94420160 A EP 94420160A EP 0627512 A1 EP0627512 A1 EP 0627512A1
Authority
EP
European Patent Office
Prior art keywords
oscillating
elastic means
looms
hand
mechanism according
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
EP94420160A
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English (en)
French (fr)
Other versions
EP0627512B2 (de
EP0627512B1 (de
Inventor
Jean-Paul Froment
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.)
Staubli Faverges SCA
Original Assignee
Staubli Faverges SCA
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Filing date
Publication date
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C5/00—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • D03C1/14—Features common to dobbies of different types
    • D03C1/144—Features common to dobbies of different types linking to the heald frame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18888—Reciprocating to or from oscillating
    • Y10T74/1892—Lever and slide
    • Y10T74/18944—Link connections

Definitions

  • the present invention relates to a damping system intended to be associated with a weaving machine mechanism of the kind comprising, for the selective control of a thread or a group of threads, at least one member which is positively driven by a desmodromic oscillating movement.
  • the devices for training the crowd of weaving looms are produced in the form of dobbies or so-called Jacquard machines comprising heald frames and claw frames respectively driven by positive type operating systems.
  • These organs provided with a back-and-forth movement, have large masses so that their displacement naturally requires a great deal of energy consumption and generate high kinetic energy. Under these conditions, when the movement is reversed, significant forces occur which cause excessive wear and create noises harmful to the environment; these very high instantaneous efforts (“peaks”) obviously have an impact on energy consumption.
  • the improvements which are the subject of the present invention aim to remedy these drawbacks and to allow the general damping of the inertial forces of the moving masses of a weaving machine mechanism.
  • each oscillating member is associated with elastic means which act in an antagonistic manner on said member so as to tend to return the latter to its substantially median position.
  • the single figure in this drawing is a simplified general view of a dobby comprising a damping system produced according to the invention.
  • the drawing illustrates the application of the invention to a mechanism for a weaving machine constituted by a dobby.
  • a known manner it comprises a control unit 1 that prints to an arm 1 has a reciprocating oscillating movement.
  • the free end of the arm 1 a is articulated to a connecting rod 2 which is pivotally connected to the end of the first branch 3 a of a square lever 3 mounted to pivot relative to a horizontal fixed axis 4.
  • a connecting bar 5 which attacks branch 3 ' a of another lever 3' identical to that 3.
  • the connecting bar 5 comprises a yoke 5 a which cooperates with a link 12 oscillating about a fixed axis 13.
  • a plate in the form of a double T 14 is articulated to the link 12.
  • a series of springs 15, 15 ' which are further hung on a lug 16, respectively 16'.
  • Each of the latter cooperates with an adjustment screw 17, 17 'rotating freely in a fixed ear 18, 18'.
  • the series of springs 15 and 15 ′ exert an opposing restoring force which tends to bring the rod, and consequently the rod 5 and the frame 7, in a substantially middle position.
  • the springs can be further tensioned so as to increase their reaction.
  • a damping system has thus been produced which in particular reduces the peaks of the forces caused by the moving masses at the time of the reversals of direction. In this way, it is possible to produce resiliently balanced oscillating members, thus avoiding significant efforts during reversals of the direction of movement and ultimately reducing the energy consumed.
  • the system according to the invention can be applied to any oscillating member of a mechanism for a textile machine, such as for example the flap or comb of a loom which cooperates with the warp and weft threads. to clamp the picks against each other, or the weft pass lance of a loom without shuttle.
  • a mechanism for a textile machine such as for example the flap or comb of a loom which cooperates with the warp and weft threads. to clamp the picks against each other, or the weft pass lance of a loom without shuttle.
  • coil springs 15 and 15 ′ can be replaced by a flat profile blade, one end of which is fixed to one of the branches of at least one of the levers 3 while the other cooperates with an adjustment device linked to the fixed structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
EP94420160A 1993-06-03 1994-06-03 Dämpfungssystem für Webmaschinen Expired - Lifetime EP0627512B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9306882A FR2705972B1 (fr) 1993-06-03 1993-06-03 Dispositif amortisseur pour machine à tisser.
FR9306882 1993-06-03

Publications (3)

Publication Number Publication Date
EP0627512A1 true EP0627512A1 (de) 1994-12-07
EP0627512B1 EP0627512B1 (de) 1996-12-11
EP0627512B2 EP0627512B2 (de) 2000-09-20

Family

ID=9447896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94420160A Expired - Lifetime EP0627512B2 (de) 1993-06-03 1994-06-03 Dämpfungssystem für Webmaschinen

Country Status (5)

Country Link
US (1) US5462093A (de)
EP (1) EP0627512B2 (de)
JP (1) JP3538451B2 (de)
DE (1) DE69401095D1 (de)
FR (1) FR2705972B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870856A1 (de) * 1997-04-09 1998-10-14 Sulzer Rüti Ag Webschafttrieb und Webmaschine mit einem Webschafttrieb
CN106868680A (zh) * 2017-04-07 2017-06-20 杨国惠 一种平衡综框静力、惯性力的开口机

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59409940D1 (de) * 1994-09-06 2001-12-13 Sulzer Textil Ag Rueti Verfahren und Vorrichtung zum Leistungsausgleich an einer Maschine
FR2734610B1 (fr) * 1995-05-24 1997-07-04 Staubli Sa Ets Agrafe reglable pour l'assemblage pivotant des bras oscillants d'une mecanique d'armure avec les bielles d'attaque du systeme de tirage
DE10260075B4 (de) * 2002-12-19 2007-02-01 Groz-Beckert Kg Schaftrahmen und Webschaft für Webmaschinen
DE10341629B4 (de) * 2003-09-10 2007-04-12 Groz-Beckert Kg Vibrationsarmes Fachbildesystem
BE1016217A5 (nl) * 2004-09-28 2006-05-02 Wiele Michel Van De Nv Gaapvormingsinrichting en weefmachine voorzien van dergelijke gaapvormingsinrichting.
WO2008141657A1 (de) * 2007-05-18 2008-11-27 Sultex Ag Fachbildeeinrichtung
CN101250785B (zh) * 2008-02-02 2011-05-11 韩通 电子提花机开口机构中的单向助推缓冲机构
JP5593833B2 (ja) * 2010-05-24 2014-09-24 株式会社豊田自動織機 電子開口装置
CN104153109A (zh) * 2014-07-22 2014-11-19 扬中市金德纺织机械设备厂 高速织机连杆总成
CN105908320B (zh) * 2016-06-12 2017-10-20 苏州易利耐机电科技有限公司 一种综框静力、惯性力平衡机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH549668A (de) * 1971-07-02 1974-05-31 Elitex Zavody Textilniho Mechanismus mit hin- und herbeweglichen gliedern, insbesondere schafteinrichtung von webstuehlen.
CH558435A (de) * 1972-11-17 1975-01-31 Grob & Co Ag Webeschaftantrieb.
EP0133966A2 (de) * 1983-08-12 1985-03-13 FIMTESSILE FABBRICA ITALIANA MACCHINARIO TESSILE S.p.A. Steuerung für die Webschäfte einer Webmaschine
EP0363311A1 (de) * 1988-10-04 1990-04-11 GebràœDer Sulzer Aktiengesellschaft Schafttriebrahmen mit Federelement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE280802C (de) †
CH113529A (de) * 1924-12-22 1926-01-16 Charles Bilhartz Webstuhl zum gleichzeitigen Weben einer Mehrzahl von Bändern.
FR2476696A1 (fr) * 1980-02-21 1981-08-28 Moessinger Albert Metier a tisser
FR2505883A1 (fr) * 1981-05-12 1982-11-19 Alsacienne Constr Meca Dispositif de commande des cadres porte-lisses pour machines a tisser
GB8920361D0 (en) * 1989-09-08 1989-10-25 Jaguar Cars Valve mechanisms
JP2680208B2 (ja) † 1991-07-17 1997-11-19 富士通株式会社 メモリアクセス制御装置
US5195385A (en) * 1991-10-28 1993-03-23 Jerome A. Johnson Free ranging bi-directional hydraulic dumping mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH549668A (de) * 1971-07-02 1974-05-31 Elitex Zavody Textilniho Mechanismus mit hin- und herbeweglichen gliedern, insbesondere schafteinrichtung von webstuehlen.
CH558435A (de) * 1972-11-17 1975-01-31 Grob & Co Ag Webeschaftantrieb.
EP0133966A2 (de) * 1983-08-12 1985-03-13 FIMTESSILE FABBRICA ITALIANA MACCHINARIO TESSILE S.p.A. Steuerung für die Webschäfte einer Webmaschine
EP0363311A1 (de) * 1988-10-04 1990-04-11 GebràœDer Sulzer Aktiengesellschaft Schafttriebrahmen mit Federelement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0870856A1 (de) * 1997-04-09 1998-10-14 Sulzer Rüti Ag Webschafttrieb und Webmaschine mit einem Webschafttrieb
CN106868680A (zh) * 2017-04-07 2017-06-20 杨国惠 一种平衡综框静力、惯性力的开口机
CN106868680B (zh) * 2017-04-07 2018-08-17 杨国惠 一种平衡综框静力、惯性力的开口机

Also Published As

Publication number Publication date
DE69401095D1 (de) 1997-01-23
US5462093A (en) 1995-10-31
EP0627512B2 (de) 2000-09-20
FR2705972A1 (fr) 1994-12-09
FR2705972B1 (fr) 1995-07-21
JP3538451B2 (ja) 2004-06-14
EP0627512B1 (de) 1996-12-11
JPH07133546A (ja) 1995-05-23

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