EP0681042B1 - Antriebsvorrichtung für hin- und hergehende Messerkästen mit Kurbeltrieb - Google Patents

Antriebsvorrichtung für hin- und hergehende Messerkästen mit Kurbeltrieb Download PDF

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Publication number
EP0681042B1
EP0681042B1 EP95420119A EP95420119A EP0681042B1 EP 0681042 B1 EP0681042 B1 EP 0681042B1 EP 95420119 A EP95420119 A EP 95420119A EP 95420119 A EP95420119 A EP 95420119A EP 0681042 B1 EP0681042 B1 EP 0681042B1
Authority
EP
European Patent Office
Prior art keywords
rods
mechanism according
shaft
boxes
frame
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
EP95420119A
Other languages
English (en)
French (fr)
Other versions
EP0681042A1 (de
Inventor
Dario Bassi
Damien Bouchet
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 Lyon SA
Original Assignee
Staeubli Lyon SA
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
Application filed by Staeubli Lyon SA filed Critical Staeubli Lyon SA
Publication of EP0681042A1 publication Critical patent/EP0681042A1/de
Application granted granted Critical
Publication of EP0681042B1 publication Critical patent/EP0681042B1/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
    • D03C3/24—Features common to jacquards of different types
    • D03C3/32—Jacquard driving mechanisms
    • D03C3/36—Griffe operating mechanisms
    • 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
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18232—Crank and lever

Definitions

  • the present invention relates to motion control mechanisms back and forth of the claw frames of an armor mechanic.
  • the improvements which are the subject of the present invention aim to remedy these drawbacks and allow connections to be made between the mechanical control shaft and the connecting rods associated with claw frames that require only limited lubrication.
  • crank arms offset angularly and of which the crankpins are located at a certain distance from the geometric axis of the shaft, two short connecting rods and two long connecting rods being articulated to said crankpins and respectively to the lower claw frames and superior.
  • the articulation of the connecting rods on the crankpins can be made by means of sealed ball bearings which do not require no lubrication and can therefore work in the open air.
  • the single figure of the drawing is a schematic side view of one of the ends of the control shaft of an armor mechanism comprising a mechanism for controlling the reciprocating movement of the claw frames in accordance with invention.
  • the frame 1 of a mechanical of armor comprising two claw frames.
  • the lower claw frame has been referenced 2 and reference 3 has been assigned to the framework of upper claws.
  • crank arms 5, 6, 7 and 8 On each end 4 a of the shaft 4 for controlling the mechanics, which in the usual way is driven by the shaft of the corresponding loom, were set four crank arms 5, 6, 7 and 8 of the same length each comprising at their free end a crank pin 5 a , 6 a , 7 a , 8 a .
  • the four crank arms 5, 6, 7 and 8 are the same length, a leveled crowd is obtained.
  • an oblique crowd is sought and under these conditions the arms 5, 6, 7 and 8 are of different lengths, adapted to the desired average obliquities.
  • crank arms 5 - 8 are angularly offset in an appropriate manner so that the crank pins located on the same side, that is to say those 5 a and 6 a, are associated with one of the ends of short connecting rods 9, 10 whose other ends are articulated to the lower claw frame 2.
  • the crank pins 7 a and 8 a opposite those 5 a , 6 a are articulated at one end of the long connecting rods 11, 12 whose ends opposite are articulated to the upper claw frame 3.
  • connecting rods 9, 10 are referenced 13, 14 while those of connecting rods 11, 12 are referenced 15 and 16.
  • the two claw frames 2, 3 each have on their two opposite ends two series of holes 20 a , 20 b respectively 30 a , 30 b distributed over a circumference whose radius is equal to the length of the connecting rods 9, 10 respectively 11, 12. It is observed that the two series of holes of each frame of claws are arranged on either side of the median axis X, X 'of the frame considered.
  • the axes 13, 14, respectively 15, 16 are engaged in holes of the two frames of claws, chosen so that they move back and forth parallel to each other for the realization of a leveled crowd.
  • you want to create an oblique crowd just change the position axes in the series of holes in the claw frames to make them take the chosen oblique position allowing the realization of the crowd oblique desired.
  • Both the crank arms of the crank arms 5 - 8 and the pins 13 - 16 are articulated to the connecting rods 9 - 12 by means of sealed ball bearings or the like, so that the assembly considered is simple, economical and easy to maintain, therefore inexpensive.
  • the settings which exist on the known mechanisms for controlling claw frames at the level of the cams and follower rollers, which are complex to realize are simply transferred according to the present invention to level of the claw frames from where they are particularly easy to carry out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Transmission Devices (AREA)
  • Looms (AREA)
  • Harvester Elements (AREA)
  • Supports For Plants (AREA)
  • Transplanting Machines (AREA)

Claims (6)

  1. Antriebsvorrichtung für hin- und hergehende Messerkästen (2, 3) einer Fachbildungsvorrichtung von der Bauart, bei der der Antrieb dieser Messerkästen durch Kurbelstangen erfolgt, die angetrieben werden durch die beiden über den Rahmen (1) der Mechanik (4) hinausstehenden Enden (4a) einer Welle, die diesen Rahmen durchquert,
    dadurch gekennzeichnet,
    daß auf jedem Ende (4a) der Welle (4), das über den Rahmen (1) hinaussteht, vier winkelmäßig versetzte Kurbelarme (5-8) festgekeilt bzw. befestigt sind, deren Kurbelzapfen (5a-8a) sich in einem bestimmten Abstand von der geometrischen Achse der Welle (4) befinden, wobei zwei kurze Kurbelstangen (9, 10) und zwei lange Kurbelstangen (11, 12) jeweils an den entsprechenden Kurbelzapfen (5a-8a) und an dem unteren (2) und oberen (3) Messerkasten angelenkt sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder Messerkasten (2, 3) zwei Reihen von Löchern (20a, 20b-30a, 30b) aufweist, in denen die entsprechenden Kurbelstangen derart angelenkt sind, daß man entweder ein nivelliertes bzw. ebenes Webfach oder eine Vielzahl schräger Webfächer erhält.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Löcherreihen (20a, 20b-30a, 30b) sich auf Kreislinien befinden, die sich beiderseits der Mittelachse (X, X') der Vorrichtung erstrecken und deren Radien denen der Kurbelstangen (9, 10) beziehungsweise (11, 12) entsprechen.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Enden der Kurbelstangen (9-12) einerseits an den Kurbelzapfen (5a-8a) und andererseits an den Messerkästen (2-3) angelenkt sind, mittels Kugellager oder analog.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kurbelarme (5-8) dieselbe Länge haben.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Kurbelarme (5-8) unterschiedliche Längen haben.
EP95420119A 1994-05-05 1995-05-03 Antriebsvorrichtung für hin- und hergehende Messerkästen mit Kurbeltrieb Expired - Lifetime EP0681042B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9405768A FR2720414B1 (fr) 1994-05-05 1994-05-05 Mécanisme de commande du mouvement de va-et-vient des cadres de griffes à systèmes bielle-manivelle.
FR9405768 1994-05-05

Publications (2)

Publication Number Publication Date
EP0681042A1 EP0681042A1 (de) 1995-11-08
EP0681042B1 true EP0681042B1 (de) 1998-07-08

Family

ID=9463094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95420119A Expired - Lifetime EP0681042B1 (de) 1994-05-05 1995-05-03 Antriebsvorrichtung für hin- und hergehende Messerkästen mit Kurbeltrieb

Country Status (6)

Country Link
US (1) US5570724A (de)
EP (1) EP0681042B1 (de)
JP (1) JP3545831B2 (de)
DE (1) DE69503311T2 (de)
ES (1) ES2119342T3 (de)
FR (1) FR2720414B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2854642B1 (fr) * 2003-05-06 2005-07-08 Staubli Lyon Dispositif de formation de la foule et metier a tisser du type jacquard equipe d'un tel dispositif
CN101831743B (zh) * 2010-05-05 2011-08-31 汪建兴 提花机提刀传动机构

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2717189A1 (fr) * 1994-03-10 1995-09-15 Staubli Verdol Mécanisme de commande de mouvement de va-et-vient des cadres de griffes d'une mécanique d'armure.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR605701A (fr) * 1924-11-11 1926-06-01 Rueti Ag Maschf Machine jacquard à double course
DE899929C (de) * 1951-12-08 1953-12-17 Pieron Handelsgesellschaft Schraegfach-Jacquardmaschine
CH402759A (it) * 1962-12-15 1965-11-15 Brevitex Ets Exploit Ratiera adatta specialmente per telai veloci
GB986770A (en) * 1963-01-26 1965-03-24 Samuel Dracup & Sons Ltd Improvements in or relating to jacquard mechanisms
CH433139A (de) * 1963-07-10 1967-03-31 Kenk Erhard Doppelt hebende Jacquardmaschine
FR1389303A (fr) * 1964-04-13 1965-02-12 Jacquard à levée double
FR1473435A (fr) * 1966-03-09 1967-03-17 Grosse Webereimaschinen Gmbh Dispositif de formation du pas pour les mécaniques jacquard à double levée
GB2047755B (en) * 1979-04-24 1983-03-30 Bonas Machine Co Loom heald control means
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.
FR2658539B1 (fr) * 1990-02-22 1992-06-05 Staubli Verdol Sarl Ets Mecanisme de commande du mouvement des cadres de griffes d'un dispositif de formation de la foule.
DE4027575C1 (en) * 1990-08-31 1992-02-06 Wolfgang 5600 Wuppertal De Herold Skew shed for loom - has lifting knives to carry sinkers for controlling needles, permitting high working speed
FR2669650B1 (fr) * 1990-11-27 1994-04-29 Staubli Verdol Mecanisme de commande des cadres d'un dispositif de formation de la foule.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2717189A1 (fr) * 1994-03-10 1995-09-15 Staubli Verdol Mécanisme de commande de mouvement de va-et-vient des cadres de griffes d'une mécanique d'armure.

Also Published As

Publication number Publication date
DE69503311D1 (de) 1998-08-13
FR2720414B1 (fr) 1996-07-19
EP0681042A1 (de) 1995-11-08
JP3545831B2 (ja) 2004-07-21
FR2720414A1 (fr) 1995-12-01
ES2119342T3 (es) 1998-10-01
DE69503311T2 (de) 1998-12-24
JPH0841749A (ja) 1996-02-13
US5570724A (en) 1996-11-05

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