EP0568473B1 - Mécanisme de commande en va-et-vient des cadres de griffes d'un dispositif de formation de la foule d'un métier à tisser - Google Patents
Mécanisme de commande en va-et-vient des cadres de griffes d'un dispositif de formation de la foule d'un métier à tisser Download PDFInfo
- Publication number
- EP0568473B1 EP0568473B1 EP19930420177 EP93420177A EP0568473B1 EP 0568473 B1 EP0568473 B1 EP 0568473B1 EP 19930420177 EP19930420177 EP 19930420177 EP 93420177 A EP93420177 A EP 93420177A EP 0568473 B1 EP0568473 B1 EP 0568473B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frames
- cams
- articulated
- lever
- levers
- 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
Links
- 238000009941 weaving Methods 0.000 claims description 2
- 210000000078 claw Anatomy 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
Images
Classifications
-
- 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 present invention relates to a movement control mechanism back and forth of the claw frames of a training device from the crowd of a loom.
- the invention relates more particularly, although not exclusively, to a device of the kind in question produced in the form of an armor mechanism with great length in the direction of the chain.
- Armor mechanics of this kind are generally actuated by means of a set of connecting rods and levers from a rotating shaft in synchronism with the loom weave.
- This tree is arranged transversely, that is to say in the direction of the weft of the fabric.
- On the tree are wedged eccentrics or cams operating levers from which the usual levers of order of the two claw frames.
- the levers from the mechanical control shaft are of great length, so that they are of realization not very economical due to their complexity.
- these levers must be designed not to flame during the transmission of forces, this which requires them to have a heavy structure which harms the rapid operation of such a mechanism due to their inertia.
- the mechanism following the preamble of the independent claim further includes two pendulums which are associated with actuation levers for claw frames, while the lever in V includes an extension in the corners of which two joints are provided for the ends of two short connecting rods whose opposite ends are respectively articulated in opposition to the two usual pendulums which control the actuation levers of the two claw frames.
- chassis 1 of a mechanical of armor essentially comprising two claw frames 2, 3 which are moved vertically back and forth by a control mechanism according to the invention.
- the frame 1 is placed on two beams 4, 5 located above a not shown weaving loom whose warp threads must be raised and / or lowered using the illustrated armor mechanics.
- the control shaft of the mechanism according to the invention is arranged in the middle part of chassis 1 and it has been assigned the reference 6. This tree is controlled in rotation by the loom and we will not return not on this well known training.
- the lever 11 has an extension 11c in duquels angles are mounted two axes 13, 14 around which are articulated respectively at one end of a connecting rod 15, 16.
- frames 2 and 3 are animated by a vertical back and forth movement thanks to the presence of two long levers 17, 18 associated with the upper frame and by two levers short 19, 20 articulated to the lower frame 3.
- the levers 17, 19 and 18, 20 are mounted oscillating in pairs on a balance 21, 22 which pivots around a shaft 23, 24. These two shafts are arranged symmetrically with respect to the transverse plane of the chassis 1 containing the geometric axis of the tree 6.
- rocker 21 is provided with a flange 21a facing away frames 2 and 3, while the rocker arm 22 is provided with a flange 22a facing the frames 2 and 3.
- Each flange 21 has , 22 a comprises a fixed axis 25, 26 around which the second end of the levers 15, 16 pivots.
- the connecting rods 15 and 16 are relatively short, so that they do not harm rapid mechanical operation because they do not generate no difficulty in terms of their inertia, even if the length of the chassis 1 in the direction of the chain is very important.
- the ends of the levers 17, 18, 19, 20 which cooperate with the pendulums 21 and 22 can be placed in different positions in lights 21 b , 21 c of the pendulum 21 and 22 b , 22 c of that 22 in order to adjust the stroke of frames 2 and 3.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
Description
Claims (2)
- Mécanisme de commande de mouvement en va-et-vient des cadres de griffes (2, 3) d'un dispositif de formation de la foule d'un métier à tisser du genre comportant des cames (7, 8) calées sur un arbre de commande (6) disposé dans la partie médiane du châssis (1) du dispositif, lesdites cames actionnant un levier oscillant (11) claveté sur un second arbre (12), ledit levier étant pourvu de deux branches (11a, 11b) en V coopérant avec lesdites cames, caractérisé en ce qu'il comprend en outre deux balanciers (21, 22) auxquels sont associés des leviers d'actionnement (17, 18, 19, 20) desdits cadres de griffes, et en ce que ledit levier en V (11) comprend un prolongement (11c) dans les angles duquel sont prévues deux articulations (13, 14) pour les extrémités de deux bielles courtes (15, 16) dont les extrémités opposées sont respectivement articulées en opposition aux deux balanciers (21, 22).
- Mécanisme suivant la revendication 1, caractérisé en ce que le premier balancier (21) est pourvu d'une joue (21a) orientée à l'opposé des cadres (2, 3) et à laquelle l'une (15) des bielles courtes est articulée au moyen d'un axe (25), tandis que l'autre bielle (16) est articulée par un axe (26) à une joue (22a) de l'autre balancier (22) s'étendant en direction des cadres (2, 3).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9205613A FR2690696B1 (fr) | 1992-04-30 | 1992-04-30 | Mecanisme de commande en va-et-vient des cadres de griffes d'un dispositif de formation de la foule d'un metier a tisser. |
FR9205613 | 1992-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0568473A1 EP0568473A1 (fr) | 1993-11-03 |
EP0568473B1 true EP0568473B1 (fr) | 1999-12-22 |
Family
ID=9429612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930420177 Expired - Lifetime EP0568473B1 (fr) | 1992-04-30 | 1993-04-27 | Mécanisme de commande en va-et-vient des cadres de griffes d'un dispositif de formation de la foule d'un métier à tisser |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0568473B1 (fr) |
JP (1) | JP3272097B2 (fr) |
DE (1) | DE69327361T2 (fr) |
FR (1) | FR2690696B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102505244A (zh) * | 2011-10-28 | 2012-06-20 | 吴江市金迪喷织厂 | 纺织机刀杆连接装置 |
CN102618989A (zh) * | 2012-03-28 | 2012-08-01 | 丁秋亚 | 一种提花机提刀传动机构 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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. |
BE1017667A3 (nl) * | 2007-07-02 | 2009-03-03 | Wiele Michel Van De Nv | Jacquardinrichting. |
CN104480608B (zh) * | 2015-01-19 | 2016-02-10 | 李素凤 | 一种提花机中的摆动机构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH111971A (de) * | 1924-11-11 | 1925-12-16 | Rueti Ag Maschf | Doppelhub-Jacquardmaschine. |
DE1111115B (de) * | 1956-07-31 | 1961-07-13 | Erich Grosse | Jaquardmaschine, bei welcher Messerkasten und Platinenboden durch ein Kurbelgetriebe zwanglaeufig angetrieben werden |
IT8222086V0 (it) * | 1982-06-07 | 1982-06-07 | Tagliabue Spa | Apparecchiatura jacquard a doppia alzata. |
FR2551096B1 (fr) * | 1983-08-26 | 1986-06-06 | Staubli Verdol | Mecanisme perfectionne pour la commande des cadres de griffes d'une mecanique d'armure |
BE1004308A3 (nl) * | 1989-07-17 | 1992-10-27 | Wiele Michel Van De Nv | Aandrijfsysteem voor de messenroosters van een dubbel-hef-opengaap jacquardmachine, en dergelijke jacquardmachines van een dergelijk aandrijfsysteem voorzien. |
FR2669648B1 (fr) * | 1990-11-27 | 1993-01-29 | Staubli Verdol | Ensemble de commande du mouvement des cadres d'un dispositif de formation de la foule telle qu'une mecanique d'armure. |
-
1992
- 1992-04-30 FR FR9205613A patent/FR2690696B1/fr not_active Expired - Fee Related
-
1993
- 1993-04-20 JP JP09330793A patent/JP3272097B2/ja not_active Expired - Fee Related
- 1993-04-27 DE DE1993627361 patent/DE69327361T2/de not_active Expired - Fee Related
- 1993-04-27 EP EP19930420177 patent/EP0568473B1/fr not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102505244A (zh) * | 2011-10-28 | 2012-06-20 | 吴江市金迪喷织厂 | 纺织机刀杆连接装置 |
CN102618989A (zh) * | 2012-03-28 | 2012-08-01 | 丁秋亚 | 一种提花机提刀传动机构 |
CN102618989B (zh) * | 2012-03-28 | 2013-12-25 | 嵊州市盛通电子科技有限公司 | 一种提花机提刀传动机构 |
Also Published As
Publication number | Publication date |
---|---|
DE69327361T2 (de) | 2000-06-21 |
JP3272097B2 (ja) | 2002-04-08 |
JPH0617347A (ja) | 1994-01-25 |
FR2690696A1 (fr) | 1993-11-05 |
FR2690696B1 (fr) | 1995-06-23 |
DE69327361D1 (de) | 2000-01-27 |
EP0568473A1 (fr) | 1993-11-03 |
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