EP0851047B1 - Betätigungsvorrichtung mit elektromagnetischer Auswahl für die Steuerung von Schaftmaschinen und anderen Webmechanismen - Google Patents

Betätigungsvorrichtung mit elektromagnetischer Auswahl für die Steuerung von Schaftmaschinen und anderen Webmechanismen Download PDF

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Publication number
EP0851047B1
EP0851047B1 EP97420242A EP97420242A EP0851047B1 EP 0851047 B1 EP0851047 B1 EP 0851047B1 EP 97420242 A EP97420242 A EP 97420242A EP 97420242 A EP97420242 A EP 97420242A EP 0851047 B1 EP0851047 B1 EP 0851047B1
Authority
EP
European Patent Office
Prior art keywords
selector
electromagnet
armature
control members
pivot
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
EP97420242A
Other languages
English (en)
French (fr)
Other versions
EP0851047A1 (de
Inventor
Jean-Paul Froment
Jean-Pierre Pages
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Staubli Faverges SCA filed Critical Staubli Faverges SCA
Publication of EP0851047A1 publication Critical patent/EP0851047A1/de
Application granted granted Critical
Publication of EP0851047B1 publication Critical patent/EP0851047B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures

Definitions

  • the present invention relates to dobbies and other weaving mechanics for training the crowd on weaving machines, and it relates more particularly to electromagnetic selection actuating devices which, in conjunction with reading devices, provide control mechanics of this type depending on the weave to be produced on the fabric being woven.
  • the document FR-A-2 515 703 (STAUBLI) describes an actuation device of this kind in accordance with the preamble of the independent claim and which comprises a series of electromagnets in number equal to that of the blades of the mechanics, c that is to say amplifier systems and heald frames carried by the weaving machine.
  • the electromagnets, fed through the reading device according to the armor program, are gathered on a single chassis which is animated by an oscillating movement linked to that of the mechanics and which carries, at the level of each blade , a pivoting selector associated with elastic means which tend to separate it from the poles of attraction of the electromagnet considered.
  • Each selector is thus driven by an alternating movement which approaches and moves it cyclically from the tails of the two actuating members ensuring control of the amplifier system envisaged, the selection between the two members of each pair being effected by electro - corresponding magnet, depending on whether or not it is powered by the mechanical reading device.
  • the object of the present invention is more particularly to remedy the aforementioned drawbacks of conventional devices, and this by arranging each pivoting selector so as to give it a coefficient of amplification of movement such that its selective displacement takes place in a clear and precise manner despite a very high air gap value scaled down.
  • the invention essentially consists in articulating the movable armature on said selector by its end turned in the direction of the pivot axis thereof, and in associating with this movable armature elastic return means which act on the opposite end in order to maintain the latter in permanent contact with the corresponding pole of the fixed armature of the electromagnet envisaged and, while thus ensuring by reaction the return of the selector to the separated position, to move away the opposite part of this selector from the other pole of said fixed frame, thereby creating the air gap necessary for the operation of the assembly.
  • the actuating device according to FIG. 1 is mounted on an oscillating frame formed by two lateral arms 1 connected by a longitudinal cross member 2.
  • Each of the arms 1, mounted on a fixed axis 3, is equipped with a roller 4 which suitable elastic means maintain in contact with a rotating cam 5, the two cams of the system thus ensuring the cyclic oscillation of the chassis 1-2 around the axis 3, in the manner illustrated by the arrow F 1 .
  • the block is fixed which contains all of the control electromagnets 6 supplied by the reading device (not shown) of the mechanics considered.
  • a pivoting selector 7 mounted on a fixed axis 8 which connects the two arms 1 parallel to the cross member 2 of the chassis 1-2.
  • the selectors 7 are arranged side by side on the axis 8, with minimal play so as to be arranged opposite the poles of attraction of the different electromagnets 6.
  • Each selector 7 is intended to ensure the selective control of one or the other of the two tilting members 9 and 10 which ensure the actuation of the blade considered in mechanics. All of the members 9 are carried by a fixed axis 11 while the pivot axis of the members 10 is advantageously constituted by the tilting axis 3 of the chassis 1-2.
  • each selector 7 is equipped, at the level of that of its edges which is turned in the direction of the electromagnet 6, with a movable frame 12 formed by a plate whose face faces away from the frame 6 a -6 b of each electromagnet 6 is integral with a thin strip 12 a introduced into a cavity 7 a formed in the thickness of the body of the selector, advantageously made of synthetic material.
  • the end of the bar 12 a which is adjacent to the pivot axis 8 is articulated inside its cavity 7 a on a small pivot 7 b , while the opposite end of the frame 12 receives the permanent action of a spring 13 engaged in a blind housing 7 c of the selector body.
  • the tip 7 d which equips each selector 7 opposite the pivot axis 8 is arranged opposite the tail 9 a of the member 9, so that, when in its oscillating movement the chassis 1-2 operates the lowering of the block of electromagnets 6, said tip 7 d comes to bear against the tail 9 a which is thus spaced from the fixed stop 14 against which it was applied by a spring 15 (see fig. 1).
  • the tip 7 d is then placed opposite the tail 10 a of the member 10 which is therefore actuated during the oscillating movement of the chassis 1-2.
  • the air gap visible in fig. 3 is very small, so that the effect generated by the magnetic flux is very large, which makes it possible to have recourse to electromagnets of reduced dimensions and low consumption. Although this air gap is small, the particular geometry of the device creates an amplifying effect and allows a large displacement at the point 7 d .
  • the spring 13 automatically switches the selector 7 from the position according to FIG. 2 to that according to fig. 3.
  • the amplitude of the angular displacement of the selector 7 is limited by the bearing of the point 7 d against one or the other of two stops 9 b , respectively 10 b , provided for this purpose at the end of the tails 9 a , 10 has members 9, 10.
  • Each selector 7 is advantageously produced by injection and molding of a non-magnetic material, inside which is directly embedded the end of the tip 7 d , made of steel.
  • the whole 7-12 is very compact. Its useful stroke is very large and the electromagnet works with very good efficiency, while the inevitable inaccuracies of the system are absorbed by the fact that the movable armature is always in abutment against the fixed armature 6 a -6 b by at least one of its ends.
  • Each balance 16 carries at its ends two pivoting coupling hooks 17 which are intended to cooperate with control members 9 and 10, here in the form of tilting hooks that a spring 15 tends to keep elastically applied against fixed stops 18.
  • Each selector 7 is equipped with two points 7 d oriented opposite one another in order to ensure the actuation of the members or hooks 9 and 10 coming from, during the oscillating movement of the chassis 1-2, in contact with ranges 9 a , 10 has hooks.
  • the electromagnet 6 considered is supplied, the movable armature 12 is attracted against the fixed armature, so that the selector 7 switches around its axis 8 and comes to the oblique position shown in broken lines ; the oscillation of chassis 1-2 continues, but the points 7 d cannot come into contact with the ranges 9 a and 10 a , so that the hooked members 9 and 10 are not controlled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Looms (AREA)
  • Knitting Machines (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Percussion Or Vibration Massage (AREA)

Claims (6)

  1. Betätigungsvorrichtung mit elektromagnetischer Auswahl für die Steuerung von Schaftmaschinen und anderen Webmaschinen, von der Art, die für jeden Schaft einen Elektromagneten (6) umfaßt, der durch einen Rahmen (1-2) getragen wird, der eine Schwingbewegung ausführt und dem ein schwenkbarer Wähler (7) zugeordnet ist, rückgestellt durch elastische Einrichtungen (13), der dazu bestimmt ist, selektiv das eine oder das andere von zwei Steuerorganen (9, 10) zu betätigen, wobei der Elektromagnet (6) in Abhängigkeit von der gewünschten Bindung des in Arbeit befindlichen Gewebes gespeist wird und jeder Wähler (7) mit einer beweglichen Armatur (12) ausgerüstet ist, die an dem genannten Wähler angelenkt ist,
    dadurch gekennzeichnet,
    daß die genannte bewegliche Armatur an dem genannten Wähler mit ihrem in Richtung seiner Schwenkachse (8) weisenden Ende angelenkt ist, während die elastischen Rückstelleinrichtungen (13) so angeordnet sind, daß sie auf das entgegengesetzte Ende der genannten beweglichen Armatur wirken, um letzere in permanentem Kontakt mit dem entsprechenden Pol (6a) der festen Armatur (6a-6b) des Elektromagneten zu halten und dabei, indem sie durch Reaktion die Rückstellung des Wählers in die entfernte Stellung sichern, den entgegengesetzten Teil dieses Wählers von dem anderen Pol (6b) der genannten festen Armatur entfernen und derart den für den Betrieb des Ganzen nötigen Luftspalt schaffen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß, der festen Armatur 6a-6b entgegengesetzt, die bewegliche Armatur (12) fest mit einem dünnen Stab (12a) verbunden ist, der in einer Vertiefung (7a) sitzt, die in der Dicke des Wählerkörpers ausgespart ist, wobei eines der Enden dieses Stabs auf einen Drehzapfen (7b) montiert ist, der quergerichtet an einem der Enden der genannten Vertiefung vorgesehen ist.
  3. Vorrichtung nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß bestimmte Steuerorgane (10) um die Kippachse (3) des Schwingrahmens (1-2) schwenken.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß jedes der Steuerorgane (9, 10) einen Anschlag (9b, 10b) umfaßt, angeordnet um den Winkelausschlag des Wählers (7) zu begrenzen.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Wähler (7), hergestellt mittels Guß bzw. Spritzguß, aus einem unmagnetischen Material besteht, in das eine Metallspitze (7d) eingebettet ist, die dazu bestimmt ist, an den Steuerorganen (9, 10) anzuschlagen bzw. anzuliegen.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Wähler (7) zwei Spitzen (7d) umfaßt, die einander entgegengesetzt ausgerichtet sind, um die Betätigung von zwei Steuerorganen (9, 10) in Form von Kipphaken sicherzustellen, angeordnet um mit den Kupplungshaken (16) von einer der Waagen (17) der Schaftmaschine zusammenzuwirken.
EP97420242A 1996-12-31 1997-12-23 Betätigungsvorrichtung mit elektromagnetischer Auswahl für die Steuerung von Schaftmaschinen und anderen Webmechanismen Expired - Lifetime EP0851047B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9616393 1996-12-31
FR9616393A FR2757884B1 (fr) 1996-12-31 1996-12-31 Dispositif d'actionnement a selection electromagnetique pour la commande des ratieres et autres mecaniques de tissage

Publications (2)

Publication Number Publication Date
EP0851047A1 EP0851047A1 (de) 1998-07-01
EP0851047B1 true EP0851047B1 (de) 2000-04-05

Family

ID=9499449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97420242A Expired - Lifetime EP0851047B1 (de) 1996-12-31 1997-12-23 Betätigungsvorrichtung mit elektromagnetischer Auswahl für die Steuerung von Schaftmaschinen und anderen Webmechanismen

Country Status (8)

Country Link
US (1) US5908051A (de)
EP (1) EP0851047B1 (de)
JP (1) JP3545186B2 (de)
KR (1) KR100418082B1 (de)
CN (1) CN1058305C (de)
DE (1) DE69701619T2 (de)
ES (1) ES2144303T3 (de)
FR (1) FR2757884B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7475708B2 (en) * 2004-11-17 2009-01-13 Groz-Beckert Kg Shaft drive for heald shafts of weaving machines
FR2910494B1 (fr) 2006-12-21 2009-01-30 Staubli Faverges Sca Bloc electro-aimant et dispositif de selection electromagnetique du mouvement des lames de ratieres et autres mecaniques de formation de la foule
CN101054752B (zh) * 2007-04-28 2010-08-04 江苏万工科技集团有限公司 一种电子提花机的控制系统
EP2014805B1 (de) * 2007-07-12 2011-12-14 Groz-Beckert KG Steuereinrichtung für eine Schaltkupplung einer Schaftmaschine
FR2968317A1 (fr) 2010-12-06 2012-06-08 Staubli Sa Ets Dispositif de selection pour le controle d'une ratiere, ensemble de selection et ratiere controlee par un tel dispositif de selection
CN105525411B (zh) * 2016-01-26 2017-03-08 常熟纺织机械厂有限公司 具有对电磁阀助吸功能的消极式电子多臂装置的选针机构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527220A (en) * 1947-12-29 1950-10-24 Gen Electric Transformer relay
DE2454287C2 (de) * 1973-11-21 1984-06-14 LABAVIA - S.G.E., 75008 Paris Vorrichtung zur Steuerung von Wirbelstrombremsen mit mehreren Erregerwicklungen
ATE13700T1 (de) * 1981-06-26 1985-06-15 Textilma Ag Kupplungsvorrichtung, insbesondere fuer eine textilmaschine.
FR2515703B1 (de) * 1981-11-05 1983-12-09 Staubli Sa Ets
DE8311516U1 (de) * 1982-04-22 1983-09-15 West Country Marketing & Advertising Ltd., Clifton, Bristol Vorrichtung zum aufhaengen blattfoermigen materials
US4803506A (en) * 1988-01-14 1989-02-07 Eastman Kodak Company Electromagnetic control device for cameras
IT1252301B (it) * 1991-11-15 1995-06-08 Nuovo Pignone Spa Sistema di controllo automatico per ratiera rotativa elettronica
JP3425983B2 (ja) * 1992-12-25 2003-07-14 株式会社山田ドビー ドビー

Also Published As

Publication number Publication date
KR19980064816A (ko) 1998-10-07
CN1188825A (zh) 1998-07-29
FR2757884B1 (fr) 1999-02-19
JPH10245737A (ja) 1998-09-14
DE69701619D1 (de) 2000-05-11
ES2144303T3 (es) 2000-06-01
CN1058305C (zh) 2000-11-08
DE69701619T2 (de) 2000-08-03
FR2757884A1 (fr) 1998-07-03
US5908051A (en) 1999-06-01
JP3545186B2 (ja) 2004-07-21
EP0851047A1 (de) 1998-07-01
KR100418082B1 (ko) 2004-04-06

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