EP0219437B2 - Fachbildevorrichtung für Webmaschinen mit umkippbarem Zurückhaltehaken - Google Patents

Fachbildevorrichtung für Webmaschinen mit umkippbarem Zurückhaltehaken Download PDF

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Publication number
EP0219437B2
EP0219437B2 EP86420220A EP86420220A EP0219437B2 EP 0219437 B2 EP0219437 B2 EP 0219437B2 EP 86420220 A EP86420220 A EP 86420220A EP 86420220 A EP86420220 A EP 86420220A EP 0219437 B2 EP0219437 B2 EP 0219437B2
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EP
European Patent Office
Prior art keywords
hook
electromagnet
fixed
movable
hooks
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
EP86420220A
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English (en)
French (fr)
Other versions
EP0219437A1 (de
EP0219437B1 (de
Inventor
Joseph Palau
Dario Bassi
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
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Staeubli Verdol SA
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Publication date
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Application filed by Staeubli Verdol SA filed Critical Staeubli Verdol SA
Publication of EP0219437A1 publication Critical patent/EP0219437A1/de
Application granted granted Critical
Publication of EP0219437B1 publication Critical patent/EP0219437B1/de
Publication of EP0219437B2 publication Critical patent/EP0219437B2/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
    • D03C3/20—Electrically-operated jacquards

Definitions

  • the blades are provided in spring steel so as to be elastic. It is easy to understand that such an arrangement is not reliable, because the leaf springs are subjected to continuous bending forces at a very high rate when it comes to controlling warp threads in a weaving loom. great speed. There are therefore frequently ruptures of these blades which result in the immobilization of the material causing an increase in production costs, without counting the actual repair costs.
  • the magnetic circuit includes each elastic strip, it can be seen that its reduced section limits the value of the flux passing through it all the more, so that the power of each electromagnet is reduced.
  • the blades are made of spring steel, therefore carbon steel, so that they have a remanence which can harm the proper functioning of the selection.
  • the movable hooks include a pusher suitable for applying the retaining blade against its electromagnet at the end of its travel.
  • the improvements which are the subject of the present invention aim to remedy the aforementioned drawbacks of the fixed hooks of the crowd formation devices in question, and it aims at the production of a rigid retaining hook of economical manufacture, the operation of which is reliable and which ensures an unreduced passage of the magnetic flux.
  • the crowd-forming device comprises a plurality of systems which each include two movable hooks connected by a funicular element as well as two fixed hooks each produced in the form of an element rocking around a horizontal axis, associated with a compression spring and actuated by an electromagnet which keeps it in the retracted position relative to the corresponding movable hook, said systems being arranged between two vertical separating partitions assembled together, and constituting in pairs a support for the electromagnet, the curved head or beak with oblique end edge of each hook being located in its rest position above the chin of the corresponding movable hook, each fixed hook being provided with an upwardly facing tail, arranged in a vis- opposite the core of the electromagnet and subjected to the reaction of the compression spring, so that its head overlaps rbée is in the rest position above the chin of the corresponding movable hook, the retaining electromagnet of said fixed hook acting on its tail to keep it in the tilted position with its head
  • a device for training the crowd of a mete weaving tier comprises a plurality of systems 1 for lifting the warp threads, each of them being arranged between two dividing partitions 2.
  • Each system comprises two mobile hooks referenced 3, associated with each of the ends of a funicular element 4 passing around a pulley 5 of a spreader 6 whose other pulley 7 is surrounded by the yoke 8 which is anchored by one of its ends to a fixed point 9.
  • Each of the hooks 3 is alternately moved back and forth by means of knives 10, 11 moving back and forth.
  • each hook is alternately brought to the level of the head 1 a of the system 1 where it can be gripped by a retaining hook 12 established in accordance with the invention.
  • each system 1 is retained with respect to two transverse bars 13 and 14 against which shoulders 1b and 1c of the system bear, while a notch 1 d at the bottom of the system rests against a cross member 15 or vice versa.
  • each retaining hook 12 is mounted tilting about an axis 16 oriented perpendicular to the path of the movable hooks 3, that is to say that it is in fact in a horizontal position in the nonlimiting example illustrated, and it is retained by the two separating partitions 2 of each system 1.
  • the hook 12 therefore has a central boss provided with a bore that the axis 16 passes through. It is furthermore provided with a tail 12a oriented upwards, and with a head 12b turned downwards and provided with an inverted end or spout 12c.
  • a compression spring 17 is placed between the tail 12a and a fixed abutment of the head 1 a so that the inverted end or spout 12c of the hook is, in the free position, facing the chin 3a of the hook fixed 3 correspondent.
  • an electromagnet 18 placed in the head 1a and whose core 18a is opposite the end of the tail 12a of the hook 12.
  • the terminal edge 12d of the head 12b of the hook is oblique in the same direction as the corresponding edge 3b of the chin 3a of the hook 3.
  • each movable hook 3 comprises, unlike that illustrated and described in the aforementioned application FR-A-25 86 432 of the present holder, not a rigid plunger, but an elastic tongue 3c oriented in the direction of movement of the hook and whose role will be better described later.
  • the hook 12 in the tilted position as a result of the reaction of the spring 17, so that its edge 12d is opposite that of the bead 3a of the hook 3a of the hook 3.
  • the extreme edge 3b of the chin 3a of the hook 3 comes into contact with that 12d of the head 12b of the retaining hook 12 , so that the corresponding slope of these two edges causes this hook to tilt clockwise until the two end walls 12e and 3e of the two bodies in question come against each other, as illustrated in fig. 3.
  • This wall is, as illustrated, more on the outside as the end face 3e of the hook 3. Thanks to its elasticity, the tongue 3c therefore maintains the tail 12a of the corresponding hook 12 in energetic support against the core 18a of the electromagnet, so that on the one hand the contact is perfect and that on the other hand the possible wear is compensated.
  • the representation of fig. 5 corresponds to the top dead center of the travel of the hook 3.
  • the electromagnet is excited, so that the tail 12a of the fixed hook 12 remains stuck against the core 18a of said electro- magnet.
  • the chin 3a of the hook 3 escapes the beak 12c of the head 12b of the hook 12, as illustrated in fig. 7. It is observed that, in this position, the end wall 12e of the head 12c is located outside the external face 3e of the chin 3a of the hook 3, following a clearance J 2 .
  • the electro- magnet is unique for each system 1, that is to say that, when excited, it can retain either one or the other of the two hooks 12, when their tail 12a is pressed against its core 18a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Toys (AREA)

Claims (1)

1. Fachbildevorrichtung für Webmaschinen mit einer Vielzahl von Systemen (1), die jedes zwei bewegliche, mit einem Seil-Element (4) verbundene Haken (3) ebenso wie zwei ortsfeste Haken (12) aufweisen, die jeweils in Gestalt eines um eine horizontale Achse (16) schwingenden Elements ausgebildet, mit einer Druckfeder (17) verbunden und durch einen Elektromagneten (18) antreibbar sind, der ihn in einer in bezug auf den entsprechenden beweglichen Haken (3) zurückgestellten Stellung hält, wobei diese Systeme zwischen zwei senkrechten Trennwänden angeordnet sind, die zwischen ihnen montiert sind, und paarweise einen Träger für den Elektromagneten (18) bilden, der zurückgebogene Kopf oder die Nase mit schräger Endkante jedes ortsfesten Hakens (12) in seiner Ruhelage oberhalb der Klinke (3a) des entsprechenden beweglichen Hakens (3) angeordnet ist, jeder ortsfeste Haken (12) mit einem Endstück (12a) versehen ist, das nach oben gerichtet, gegenüber dem Kern (18a) des Elektromagneten (18) angeordnet und der Wirkung der Druckfeder (17) unterworfen ist, derart, daß sich sein zurückgebogener Kopf (12c) in Ruhelage oberhalb der Klinke (3a) des entsprechenden beweglichen Hakens (3) befindet, und der zurückhaltende Elektromagnet (18) des ortsfesten Hakens (12) auf das Endstück (12a) einwirkt, um es mit seinem zurückgebogenen Kopf oder seiner Nase (12c), der bzw. die in bezug auf die Klinke (3a) des entsprechenden beweglichen Hakens (3) in Richtung nach außen angeordnet ist, in Schwing-Position zu halten, während dieser den ortsfesten Haken (12) zum Schwingen bring, um sein Endstück (12a) an dem besagten Elektromagneten (18) zur Anlage zu bringen, wobei jeder bewegliche Haken (3) mit einer elastischen Zunge (3c) versehen ist, die sich in Richtung der Verschiebung des betreffenden Hakens (3) erstreckt und deren Außenfläche (3g) in bezug auf die äußere Fläche (3e) der Klinke (3a) nach außen versetzt ist, damit diese Fläche (3g) mit der Stirnwand (12e) des zurückgebogenen Kopfes oder der Nase (12c) des entsprechenden Hakens (12) zusammenwirkt, und die Kante (3f) der Zunge (3c) jedes beweglichen Hakens (3) in derselben Richtung geneigt ist wie die Kante (12d) der Nase (12c) des entsprechenden ortsfesten Schwinghebels (12).
EP86420220A 1985-09-06 1986-09-01 Fachbildevorrichtung für Webmaschinen mit umkippbarem Zurückhaltehaken Expired - Lifetime EP0219437B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8513435A FR2587045B1 (fr) 1985-09-06 1985-09-06 Dispositif pour la formation de la foule d'un metier a tisser comportant un crochet de retenue basculant
FR8513435 1985-09-06

Publications (3)

Publication Number Publication Date
EP0219437A1 EP0219437A1 (de) 1987-04-22
EP0219437B1 EP0219437B1 (de) 1988-10-26
EP0219437B2 true EP0219437B2 (de) 1993-06-23

Family

ID=9322782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86420220A Expired - Lifetime EP0219437B2 (de) 1985-09-06 1986-09-01 Fachbildevorrichtung für Webmaschinen mit umkippbarem Zurückhaltehaken

Country Status (6)

Country Link
US (1) US4702286A (de)
EP (1) EP0219437B2 (de)
JP (1) JPS6262945A (de)
DE (1) DE3661026D1 (de)
ES (1) ES2001380A6 (de)
FR (1) FR2587045B1 (de)

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* Cited by examiner, † Cited by third party
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DE3713832C1 (de) * 1987-04-24 1988-06-23 Grosse Webereimaschinen Gmbh Platinen-Steuervorrichtung fuer Offenfach-Jacquardmaschine
DE3741069C1 (en) * 1987-12-04 1989-01-26 Schleicher Oskar Fa Shedding device for weaving machines
US5018556A (en) * 1988-04-01 1991-05-28 Murata Kikai Kabushiki Kaisha Dobby loom with a magnetically operated hook selector
DE3817417C2 (de) * 1988-05-21 1995-06-01 Schleicher Oskar Fa Fachbildevorrichtung für Textilmaschinen, insbesondere Webmaschinen
GB8817765D0 (en) * 1988-07-26 1988-09-01 Palmer R L Loom control
DE3902792C1 (de) * 1989-01-31 1990-03-01 Fa. Oskar Schleicher, 4050 Moenchengladbach, De
BE1004307A3 (nl) * 1989-07-14 1992-10-27 Wiele Michel Van De Nv Inrichting voor hakenselektie bij een elektronisch gestuurde jacquardmachine, en elektronisch gestuurde jacquardmachines van een dergelijke inrichting voorzien.
FR2656009B1 (fr) * 1989-12-15 1992-03-06 Staubli Verdol Dispositif de formation de la foule permettant d'assurer une ouverture importante de son pas.
IT1238334B (it) * 1990-01-23 1993-07-12 Dispositivo elettromagnetico a struttura modulare, attuabile tramite elaboratore, per la selezione programmata e la relativa alzata dei fili di ordito nella produzione di tessuti operati
DE4026187C1 (en) * 1990-08-18 1991-12-19 Wolfgang 5600 Wuppertal De Herold Shed forming device for loom with speed operation - comprises lifting knives, needles controlled by sinkers, locking devices with electromagnet having elementary coil
US5275211A (en) * 1990-09-07 1994-01-04 Karl Mayer Textilmaschinenfabrik Gmbh Electromagnetically activated jacquard control arrangement
DE4028390C2 (de) * 1990-09-07 1994-06-09 Mayer Textilmaschf Elektromagnetisch arbeitende Jacquard-Steuervorrichtung
US5095952A (en) * 1991-01-03 1992-03-17 Yu Hsiu Hsia Cheng Electromagnetic heald rod retention system for a jacquard system
FR2690695A1 (fr) * 1992-04-30 1993-11-05 Staubli Verdol Boîtier étanche pour l'électro-aimant d'un dispositif pour la formation de la foule d'un métier à tisser.
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
JP3373665B2 (ja) * 1994-08-18 2003-02-04 カヤバ工業株式会社 織機の経糸選択装置
BE1010134A3 (nl) * 1996-04-10 1998-01-06 Wiele Michel Van De Nv Gaapvormingsinrichting voor een textielmachine.
FR2752246B1 (fr) * 1996-08-06 1998-10-09 Staubli Lyon Procede et dispositif de selection des crochets mobiles d'un mecanisme de formation de la foule et metier a tisser du type jacquard
DE19651190C1 (de) * 1996-12-10 1998-06-10 Mayer Textilmaschf Elektromagnetisch arbeitende Jacquard-Steuervorrichtung
US5806348A (en) * 1997-04-30 1998-09-15 Cheng; Chuan-Tien Heald rod retention device for a jacquard system
CN1069709C (zh) * 1998-10-21 2001-08-15 王伯奇 电子提花机
KR20010028662A (ko) * 1999-09-22 2001-04-06 박영승 전자식 복동 자카드 개구 장치
CN2390897Y (zh) * 1999-11-05 2000-08-09 张海林 提花机的电子提综机构
KR200197087Y1 (ko) * 2000-04-11 2000-09-15 송권효 전자식 자카드의 개구장치
BE1013788A3 (nl) * 2000-10-25 2002-08-06 Wiele Michel Van De Nv Takelloze gaapvormingsinrichting voor een weefmachine.
CN2476569Y (zh) * 2001-04-02 2002-02-13 张海林 提花机的提综控制装置
BE1014815A3 (nl) * 2002-05-07 2004-04-06 Wiele Michel Van De Nv Inrichting voor het bevestigen en het geleiden van ten minste een takelkoord in een jacquardmachine en jacquardmachine voorzien van een of meerdere dergeljke inrichtingen.
FR2846343B1 (fr) * 2002-10-25 2004-12-17 Staubli Lyon Mecanisme de formation de la foule et metier a tisser equipe d'un tel mecanisme
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
ITBS20070164A1 (it) * 2007-10-24 2009-04-25 Santoni & C Spa Dispositivo jacquard per lo spostamento selettivo di passette guidafilo in una macchina tessile
CN101858004B (zh) * 2010-06-23 2011-06-29 浙江理工大学 电子提花机的选针装置
CN103409875A (zh) * 2013-07-26 2013-11-27 郭家成 一种适用于高速电子提花机的高精度电磁阀组件
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
CN104975425A (zh) * 2015-07-27 2015-10-14 杭州天迈纺织电子科技有限公司 改电磁阀结构的电子提花选针器
CN105887267B (zh) * 2016-05-31 2017-11-28 崔如奎 高速提花机的电磁阀模组
RU190338U1 (ru) * 2019-02-14 2019-06-26 Дмитрий Владимирович Зайцев Устройство управления перемещением нитей электронной жаккардовой машины
RU2748556C1 (ru) * 2019-12-11 2021-05-26 Акционерное общество "Уральский научно-исследовательский институт композиционных материалов" Устройство для образования зева ткацкой машины

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FR2535742A1 (fr) * 1982-11-04 1984-05-11 Verdol Sa Mecanique d'armure a selection perfectionnee des crochets
GB8306813D0 (en) * 1983-03-11 1983-04-20 Bonas Machine Co Heald control apparatus

Also Published As

Publication number Publication date
JPS6262945A (ja) 1987-03-19
FR2587045A1 (fr) 1987-03-13
US4702286A (en) 1987-10-27
FR2587045B1 (fr) 1987-10-23
JPH0248660B2 (de) 1990-10-25
EP0219437A1 (de) 1987-04-22
EP0219437B1 (de) 1988-10-26
ES2001380A6 (es) 1988-05-16
DE3661026D1 (en) 1988-12-01

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