EP0488915B1 - Antriebsvorrichtung der Messerkasten einer Fachbildungsvorrichtung, insbesondere einer Schaftmaschine - Google Patents

Antriebsvorrichtung der Messerkasten einer Fachbildungsvorrichtung, insbesondere einer Schaftmaschine Download PDF

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Publication number
EP0488915B1
EP0488915B1 EP91420420A EP91420420A EP0488915B1 EP 0488915 B1 EP0488915 B1 EP 0488915B1 EP 91420420 A EP91420420 A EP 91420420A EP 91420420 A EP91420420 A EP 91420420A EP 0488915 B1 EP0488915 B1 EP 0488915B1
Authority
EP
European Patent Office
Prior art keywords
rocker
articulated
rockers
frames
arms
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.)
Expired - Lifetime
Application number
EP91420420A
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English (en)
French (fr)
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EP0488915A1 (de
Inventor
Dario Bassi
Joseph Palau
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.)
Staeubli Verdol SA
Original Assignee
Staeubli Verdol SA
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Filing date
Publication date
Application filed by Staeubli Verdol SA filed Critical Staeubli Verdol SA
Publication of EP0488915A1 publication Critical patent/EP0488915A1/de
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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
    • D03C3/06—Double-lift jacquards
    • 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
    • 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
    • D03C5/02—Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices operated by rotating cams

Definitions

  • the crowd training devices of a loom have two frames which move in opposition in a back and forth movement so as to control the raising and lowering of warp threads to allow the passage between them of a weft thread or pick.
  • the movement of these frames is carried out thanks to a control assembly comprising cams, connecting rods and levers from a main shaft rotating in synchronism with that of the loom.
  • the improvements which are the subject of the present invention are aimed at implementing a control assembly for the movement of the frames, the number of elements of which is as small as possible so as to reduce the inertia, to reduce the costs. , the limitation of the number of parts resulting in greater ease of control of the mechanical clearances between said parts.
  • a known mechanism comprising cams actuating a bent lever is described, for example, in document DE-U-81 10 100.
  • Another mechanism of this kind is described in EP-A-0 136 244.
  • the control assembly comprises, on either side of the crowd-forming device, two cams which are each engaged with the end of an angled lever fixed on a shaft to which a flail is secured at the free ends of which the first ends of two connecting rods are articulated, the other ends of which are articulated respectively to two rockers, the first provided double, that is to say made up of two arms spaced from one another oriented in opposite directions and wedged on a pivoting axis in a bearing of the chassis and the second, simple, disposed between the two arms of the first rocker and mounted for rotation about said axis of the latter, while said rockers are connected to the frames by articulated levers .
  • an armor mechanism essentially comprising a frame 1 resting on two beams 2 and 3 situated above a weaving loom not shown.
  • the frame 1 is provided with a control shaft 4 rotating in synchronism with that of the loom by means not shown.
  • the frame 1 constitutes slides 1 a along which move back and forth in an opposite manner two frames 5, 6 intended, as is well known in practice, to raise and lower the arches associated with the healds cooperating with warp threads arranged on the loom.
  • the rocker 16 is produced by means of two arms 16 a , 16 b separated laterally and mounted for rotation on a fixed axis 18.
  • the connecting rod 15 attacks the lateral tab 16 c of the lever 16 a .
  • the two levers 16 a , 16 b each have an oblong slot 16 d , 16 e .
  • the rocker 17 is mounted for rotation about the axis 18 and is pivoted by the action of the connecting rod 14 engaging a side tab 17 has said rocker 17 which affects roughly the shape of a T.
  • the two branches of the latter have longitudinal lights 17 b , 17 c .
  • Each of the lights 16 e , 16 d , respectively 17 b , 17 c is associated with a stud 19, 20, 21, 22.
  • the studs 19 and 21 are associated with one of the ends of a long vertical lever 23, 24 whose other end is associated with the lower frame 6, while the studs 20 and 22 are articulated at one end of a short vertical lever 25, 26 whose other ends are articulated to the upper frame 5.
  • FIG. 3 Illustrated in fig. 3 very schematically all of the control according to the invention which shows that on either side of the mechanics is a mechanism such as that shown in fig. 1.
  • the upper frame 5 is attached to two vertical levers 25 and two vertical levers 26 which are further articulated as indicated above on the rockers 16 and 17.
  • the lower frame 6 is attached to two levers 23 and with two levers 24 dependent on the rockers 16, 17.
  • the flails 13 cause rods to move in the direction of the arrows F1, F2, that is to say in opposite directions so that the two levers 16 and 17 tilt in opposite directions on each side of the mechanics.
  • the frames 5 and 6 are alternately raised and lowered in opposite directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Transmission Devices (AREA)
  • Toys (AREA)

Claims (2)

  1. Antriebsvorrichtung für eine Hin- und Herbewegung der Messerkästen (5 - 6) einer Fachbildungsvorrichtung eines Webstuhls, insbesondere einer Schaftmaschine, welche Schwingarme und Hebel antreibende Kurvenscheiben (7 - 8) aufweist und bei welcher auf beiden Seiten des Rahmens der Vorrichtung die Kurvenscheiben (7, 8) jeweils mit dem Ende eines Winkelhebels (11) in Eingriff stehen, dadurch gekennzeichnet, daß der Hebel (11) auf einer Welle (12) festgekeilt ist, auf der ein Balken (13) befestigt ist, an dessen freien Enden die ersten Enden zweier Zwischenglieder (14, 15) angelenkt sind, deren andere Enden im einzelnen an zwei Kipphebeln (17, 16) gelagert sind, wobei der erste (16) doppelt vorgesehen, d. h. aus zwei voneinander abgerückten Schenkeln (16a, 16b) gebildet ist, die in gegenüberliegende Richtungen weisen und drehbar auf einer Achse (18) gelagert sind, und der zweite (17) einfach zwischen den beiden Schenkeln (16a, 16b) des ersten Kipphebels (16) angeordnet und drehbar auf der Achse (18) der Schenkel gelagert ist und die Kipphebel (16, 17) mittels Gelenkhebeln (23, 24, 25, 26) mit den Messerkästen (5, 6) verbunden sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kipphebel (16, 17) jeweils eine seitliche Stütze (16c, 17a) aufweisen, an der das entsprechende Zwischenglied (14, 15) angelenkt ist.
EP91420420A 1990-11-27 1991-11-26 Antriebsvorrichtung der Messerkasten einer Fachbildungsvorrichtung, insbesondere einer Schaftmaschine Expired - Lifetime EP0488915B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9015140A FR2669648B1 (fr) 1990-11-27 1990-11-27 Ensemble de commande du mouvement des cadres d'un dispositif de formation de la foule telle qu'une mecanique d'armure.
FR9015140 1990-11-27

Publications (2)

Publication Number Publication Date
EP0488915A1 EP0488915A1 (de) 1992-06-03
EP0488915B1 true EP0488915B1 (de) 1995-05-10

Family

ID=9402858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91420420A Expired - Lifetime EP0488915B1 (de) 1990-11-27 1991-11-26 Antriebsvorrichtung der Messerkasten einer Fachbildungsvorrichtung, insbesondere einer Schaftmaschine

Country Status (6)

Country Link
US (1) US5183080A (de)
EP (1) EP0488915B1 (de)
JP (1) JP2904978B2 (de)
DE (1) DE69109636T2 (de)
ES (1) ES2072586T3 (de)
FR (1) FR2669648B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690696B1 (fr) * 1992-04-30 1995-06-23 Staubli Verdol Mecanisme de commande en va-et-vient des cadres de griffes d'un dispositif de formation de la foule d'un metier a tisser.
FR2717189B1 (fr) * 1994-03-10 1996-07-19 Staubli Verdol Mécanisme de commande de mouvement de va-et-vient des cadres de griffes d'une mécanique d'armure.
FR2736939B1 (fr) * 1995-07-18 1997-09-05 Staubli Sa Ets Mecanique jacquard a actionnement par arbres coaxiaux
FR2757544B1 (fr) * 1996-12-19 1999-03-05 Staubli Lyon Dispositif de formation de la foule, procede de montage et metier a tisser de type jacquard equipe d'un tel dispositif
BE1016559A4 (nl) * 2005-03-21 2007-01-09 Wiele Michel Van De Nv Jacquardinrichting.
BE1017667A3 (nl) * 2007-07-02 2009-03-03 Wiele Michel Van De Nv Jacquardinrichting.
CN101831743B (zh) * 2010-05-05 2011-08-31 汪建兴 提花机提刀传动机构
CN104562359B (zh) * 2015-01-23 2017-11-10 浙江奇汇电子提花机有限公司 提花机拉杆接头调节结构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596177A (en) * 1947-08-23 1952-05-13 Schiavon Bruno Heald raising device for weaving looms
US2727538A (en) * 1950-10-12 1955-12-20 Staubli Geb & Co Dobby loom and method of weaving
DE1535220B1 (de) * 1965-03-10 1970-12-23 Grosse Webereimaschinen Gmbh Fachbildeeinrichtung fuer Doppelhub-Jacquardmaschinen
JPS5620635A (en) * 1979-07-26 1981-02-26 Toyoda Automatic Loom Works Opening apparatus of warp yarn in loom
DE8110100U1 (de) * 1981-04-03 1983-10-27 Maschinenfabrik Carl Zangs Ag, 4150 Krefeld Ruecklaufeinrichtung fuer jacquardmaschinen
IT8222086V0 (it) * 1982-06-07 1982-06-07 Tagliabue Spa Apparecchiatura jacquard a doppia alzata.
FR2534936A1 (fr) * 1982-10-20 1984-04-27 Staubli Sa Ets Dispositif de nivellement pour mecaniques d'armure a cames du type negatif
FR2551096B1 (fr) * 1983-08-26 1986-06-06 Staubli Verdol Mecanisme perfectionne pour la commande des cadres de griffes d'une mecanique d'armure
DE3721932A1 (de) * 1987-07-02 1989-01-19 Grosse Webereimaschinen Gmbh Doppelhub-offenfach-jacquardmaschine

Also Published As

Publication number Publication date
DE69109636T2 (de) 1995-09-07
DE69109636D1 (de) 1995-06-14
US5183080A (en) 1993-02-02
EP0488915A1 (de) 1992-06-03
JP2904978B2 (ja) 1999-06-14
FR2669648B1 (fr) 1993-01-29
ES2072586T3 (es) 1995-07-16
FR2669648A1 (fr) 1992-05-29
JPH04263643A (ja) 1992-09-18

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