EP2998421B1 - Accouplement de cadre de lisse et cadre de lisse en étant doté - Google Patents

Accouplement de cadre de lisse et cadre de lisse en étant doté Download PDF

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Publication number
EP2998421B1
EP2998421B1 EP14184986.9A EP14184986A EP2998421B1 EP 2998421 B1 EP2998421 B1 EP 2998421B1 EP 14184986 A EP14184986 A EP 14184986A EP 2998421 B1 EP2998421 B1 EP 2998421B1
Authority
EP
European Patent Office
Prior art keywords
coupling
snap
heald frame
frame
component
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.)
Active
Application number
EP14184986.9A
Other languages
German (de)
English (en)
Other versions
EP2998421A1 (fr
Inventor
Christian Gerth
Bernd Pfeffer
Ralph Simmack
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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 Groz Beckert KG filed Critical Groz Beckert KG
Priority to EP14184986.9A priority Critical patent/EP2998421B1/fr
Priority to CN201580049976.0A priority patent/CN107075748B/zh
Priority to PCT/EP2015/070915 priority patent/WO2016041885A1/fr
Publication of EP2998421A1 publication Critical patent/EP2998421A1/fr
Application granted granted Critical
Publication of EP2998421B1 publication Critical patent/EP2998421B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • D03C1/144—Features common to dobbies of different types linking to the heald frame
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C9/00—Healds; Heald frames
    • D03C9/06—Heald frames
    • D03C9/0683—Arrangements or means for the linking to the drive system

Definitions

  • Heald frame couplings and heald frames are known.
  • Heald frame couplings of the generic type provide a connection between the heald frame and the heald frame drive.
  • a bumper which transmits the force of the heald frame drive, is often connected to the heald frame.
  • the heald frame couplings are composed of two coupling elements, one of which is assigned to the shaft and the other to the shaft drive.
  • the requirements for such a heald frame coupling include quick releasability or connectivity and the guarantee of a largely play-free connection.
  • the EP 0117 826 B1 shows a generic heald shaft coupling.
  • the coupling element assigned to the heald frame has a stud as a basic component, which is fastened to the heald frame with screws.
  • a hexagon is rotatably suspended from the stud.
  • the other coupling element which is assigned to the heald frame drive, has a ramp onto which the hexagon can generally be lowered after a vertical downward movement, which corresponds to the downward movement of the heald frame during operation.
  • the end area of the bumper of the shaft drive is shaped like the mouth of a hexagon wrench, which opens in a horizontal direction - that is, orthogonal to the direction of the heald frame movement.
  • the hexagon placed on the ramp can be easily pushed into this mouth in the horizontal direction.
  • To lock the coupling it is locked there with a swiveling locking element.
  • the EP 0 242 668 A1 shows a heald frame coupling, in which a "bolt” or similar spring-loaded elements is to be dispensed with. Instead, the heald frame coupling is to be locked and unlocked via a “relative pivoting of coupling sleeve and coupling member”. This will make one Connection between the two coupling elements requires a relative movement of the coupling elements to one another, which also has essential components in a transverse direction. The connection is made via a positive connection.
  • heald frame couplings shown in the latter publications enjoy a good reputation. However, they also have disadvantages: The connection between the heald frame couplings is often difficult to release. The couplings also prove to be difficult to assemble.
  • the latching element should be heterogeneous.
  • heterogeneous here means that the latching element is formed in one piece and has zones of its spatial extension which consist of different materials or material compositions.
  • Such a snap-in element can be produced, for example, in the sintering process.
  • the concentration of hard metal sinter components is like Tungsten carbide is advantageously particularly high.
  • the tip of the snap-in element which protrudes furthest in the direction of movement of the shaft in the direction of the other coupling element, it is advantageous to mix materials to the sintered material that reduce the friction of the outer surface of the snap-in element.
  • These substances include bronze components, but also - as far as the sintering process allows - graphite components.
  • the admixture of softer materials - such as brass - has its advantages in the areas of the snap-in element in which impacts with other components can occur.
  • the locking element is usually exposed to a high tensile load. If the tensile load is a problem for the use of certain sintered materials, larger and in particular longer components made of solid material can be brought into the sintered mold in order to absorb the tensile load. These can again consist of metals or carbon or glass.
  • the term “heterogeneous” also includes in the above context that the latching element is composed of different components. These components can be different or the same in terms of their composition and / or their manufacturing process, the shape of the components being allowed to be different. As a rule, when different components are used to produce a snap-in element, joints are formed between these components. These latching elements are advantageously not in one piece; they can be in several parts.
  • the tip of the first latching element which projects or points furthest towards the other coupling element, to which the first latching element is not assigned, is often made of a different material than the clamping surface.
  • Teflon Find use When manufacturing the component that at least partially defines the tip, Teflon Find use.
  • This component can also be a plastic injection molded part. It can also be made from sheet metal.
  • snap-in element In connection with the term “snap-in element”, it should also be mentioned that this generally means an elongated component, which may have partially rounded corners.
  • advanced designs of heald frame couplings according to the documents show EP 0 407 335 A1 , DE 196 40 370 C1 , DE 43 43 882 C1 and DE 195 48 848 C1 such snap elements.
  • These snap-in elements are often pivotally articulated at points, the articulation being implemented via a bore through which an axis engages. In some cases there are slide rings and bearing rings which ensure that the snap-in element can be swiveled around the axis. The latter parts are not part of the "snap-in element" in the sense of this document. The same applies to the axis. All of these components are often in one piece.
  • the above-mentioned components of the latching element can be fastened to another component, often a basic component, by snap connections.
  • the basic component is articulated to another component of its coupling element.
  • This articulation which often ensures the connection to the heald frame or to its drive, can be permanent but detachable (e.g. screw connection).
  • the articulation can comprise a bore through which an axis extends. The articulation can thus ensure that the latching element can be pivoted.
  • the basic component of the latching element also comprises at least one clamping surface.
  • the latching element advantageously comprises U-shaped components.
  • it can be the U-shaped components that are attached to the basic component.
  • they can have additional snap-in elements. Shoes that can be pushed onto stop edges of the snap-in element and / or the “tip” of the snap-in element (the part that protrudes furthest towards the other component in the direction of movement of the shaft) can be shaped in this way.
  • the various components of the latching element are not in one piece.
  • the different components or the different zones of the spatial extent of the latching element can be made of different materials with different physical properties.
  • the tip can have a low coefficient of adhesion and or slip (e.g. Teflon).
  • the component that the clamping surface comprises, is advantageously hard (or harder than the others). Rubbing or bumping edges can be made from softer materials such as brass or have a higher brass concentration.
  • the stop edges of the latching element can be protected by shoes that can be attached or pushed on. They can be molded from relatively soft material.
  • Figure 1 shows a heald frame coupling 1 with a heald frame side 2 and a drive side coupling element 3 in the uncoupled state.
  • the heald frame-side coupling element 2 is equipped with a latching element 4, which has, inter alia, the clamping surface 5 and is pivotally articulated on the linkage 6 to other components of the heald frame side drive element 2.
  • the base plate 7, the locking lug 8, the guide rod 9 and the shaft rod 10 are shown in the figures.
  • Such a (female) coupling element 3 normally also has a second base plate, which would, however, prevent the viewer of the figures from looking into the interior of the coupling element 3 on the drive side. For this reason, such a plate has not been shown.
  • FIG 2 the same coupling 1 is shown, the coupling elements having been brought into their coupled state by a relative movement along the direction of movement of the heald frame 11.
  • the latching element 4 has slid along the right flank of the guide rod 9 in the direction of its end position.
  • the locking lug 8 which can be pivoted about the articulation 12, fixes the coupling element 2 on the heald frame by blocking the clamping surface 5 of the locking element 4.
  • a spring force is required, which is applied by a spring, not shown.
  • the heald frame 11 is also shown partially and schematically, which is attached to the rest of the drive-side coupling element 2 with the support 13. Screws are often used for this attachment.
  • heald frame couplings 1 in question produce a releasable connection between heald frames 11 and their drives, the force of the drives generally being imparted to the coupling 1 via a shaft rod 10.
  • shaft-side coupling element 2 carries the male snap-in element 4, while the drive-side coupling element 3 takes over the female part.
  • this role distribution could also be reversed using the present invention.
  • FIG. 3 shows an exploded sketch of the heald end coupling element 2. It can be seen from this sketch that the side plates 14 are attached to the aforementioned support 13. The large bore of these side plates 14 carries the linkage 6 of the above-mentioned latching element 4. For this purpose, the axle pin 15 engages through this bore, among other things. In the assembled state, the end of the axle pin 15 is moved by the nut 16. The pivoting of the locking element 4 is ensured by the slide ring 17 and the bearing ring 18. As already mentioned in the introductory description, the two latter parts 17 and 18 and the components 15 and 16 of the axle do not belong to the latching element 4 and they do not represent any components of the same 4 for the purposes of the present publication.
  • the snap-in element 4 disintegrates in the explosion sketch ( Figure 3 ) again in the basic component 20, the stop shoes 21 and the cap 22, which also in Figure 4 is shown.
  • cap 22 has locking elements 23 which can engage in the recesses 24 in the locking element 4 to fix the cap 22.
  • the cap 22 and the stop shoes 21 (see also Figures 6 and 7 ) have a U-shaped profile, which enables them to grip around parts of the locking element 4 and, if necessary, clamp these parts.
  • these components can also be exchanged quickly. Additionally or alternatively, these components can also be glued, soldered, screwed or welded to the basic component.
  • the stop shoes 21 can be pushed onto the stop edges 26 of the latching element 4. They are preferably made from soft materials such as brass. In general, it is advantageous if the base component 20 of the latching element comprises both the clamping surface 5 and the bore 25 for receiving the articulation 6 (see also Figure 9 ).
  • Figure 8 shows an exploded view of a further embodiment of a heald side coupling element 2, in which almost all components with the one in Figure 3 shown embodiment are identical.
  • the cap 22 has no latching elements 23 and there is no recess 24 for latching in such elements, rather the recess 27 serves to save weight.
  • Anchoring the cap 22 can therefore be made on the base component 20 with gluing or welding.
  • Such a cap 22 can be made of plastic and can preferably be produced by plastic injection molding. Teflon can also be used here.
  • Caps 22 can also be made from sheet metal.
  • Figure 11 shows the one-piece locking element 4 of a third embodiment of the invention in side view.
  • This entry element 4 was manufactured in the sintering process. However, the concentration of the sintered material was changed zone by zone. A lot of brass was added in the area of the stop edge 26 of the latching element 4. A lot of bronze was added in the area of the edges of the bore 25. In the area of the zone at the tip of the snap-in element, sliding materials such as bronze or carbon were mixed with the sintered material. In the area of the clamping surface 5, sintered components that form hard metal, such as tungsten carbide, were added. The zones of the spatial extent of the latching element 4 just mentioned were shown as thick lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Clamps And Clips (AREA)
  • Mechanical Operated Clutches (AREA)
  • Looms (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Claims (12)

  1. Accouplement de cadre de lisses (1) servant à la liaison d'un cadre de lisses (11) à un entraînement de cadre de lisses, présentant les caractéristiques suivantes :
    a) l'accouplement de cadre de lisses (1) comporte deux éléments d'accouplement (2, 3), parmi lesquels le premier (2) peut être relié au cadre de lisses (11) et le deuxième (3) peut être relié à l'entraînement de cadre de lisses,
    b) les éléments d'accouplement (2, 3) peuvent être amenés à une liaison libérable par un mouvement relatif l'un par rapport à l'autre qui s'étend sensiblement le long de la direction de déplacement (z) du cadre de lisses,
    c) au moins l'un des deux éléments d'accouplement (2, 3) comporte un élément d'encliquetage (4) qui s'étend sensiblement le long de la direction de déplacement (z) du cadre de lisses (11),
    d) l'élément d'encliquetage (4) comporte une surface de serrage (5) qui s'étend également dans au moins l'une des deux directions spatiales (x, y) s'étendant transversalement à la direction de déplacement (z) du cadre de lisses,
    e) l'autre élément d'accouplement (2, 3) comporte au moins un élément de serrage (8) pour l'encliquetage de la surface de serrage (5),
    caractérisé en ce que
    f) l'au moins un élément d'encliquetage (4) est estampé d'une seule pièce, mais comprend des zones qui comportent différentes compositions de matière ou sont composées de composants différents (21, 22),
    g) l'élément d'encliquetage (4) comprend un composant de base (20) qui comporte la surface de serrage (5) et au moins un logement (25) pour l'articulation (6) sur au moins une autre partie (14) de l'élément d'accouplement (2) auquel il est associé.
  2. Accouplement de cadre de lisses (1) selon la revendication précédente,
    caractérisé en ce que
    les éléments d'accouplement (2, 3) peuvent être amenés en liaison libérable l'un avec l'autre par un déplacement relatif rectiligne.
  3. Accouplement de cadre de lisses (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'au moins un élément d'encliquetage (4) est en forme de crochet.
  4. Accouplement de cadre de lisses (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la surface de serrage (5) de l'au moins un élément d'encliquetage (4) fait partie d'un premier composant (2), tandis que la pointe de l'élément d'encliquetage, laquelle fait saillie dans la direction de déplacement (z) du cadre de lisses le plus loin en direction de l'autre élément d'accouplement (3), comporte des parties d'un deuxième composant (22).
  5. Accouplement de cadre de lisses selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'encliquetage comprend les composants suivants :
    a) des composants dotés d'évidements (24) pour l'encliquetage d'éléments de verrouillage (23),
    b) des composants dotés d'éléments de verrouillage (23).
  6. Accouplement de cadre de lisses (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'articulation (6) est une articulation pivotante.
  7. Accouplement de cadre de lisses selon la revendication précédente,
    caractérisé en ce que
    l'élément d'encliquetage (4) comporte un alésage (25) servant au logement de l'articulation (6).
  8. Accouplement de cadre de lisses selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'encliquetage (4) comprend des composants (21, 22) présentant un profil de préférence en forme de U, lesquels peuvent être enfichés ou enfilés sur le composant de base (20) de l'élément d'encliquetage.
  9. Accouplement de cadre de lisses (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'encliquetage (4) comprend des composants (20, 21, 22) présentant les caractéristiques suivantes :
    • une dureté différente,
    • des coefficients d'adhérence et/ou de frottement par glissement différents,
    • une densité différente.
  10. Accouplement de cadre de lisses selon les deux revendications précédentes,
    caractérisé en ce que
    • l'élément d'encliquetage (4) comprend au moins un composant (21, 22) présentant un profil de préférence en forme de U,
    • lesquels sont enfichés ou enfilés sur un autre composant (20),
    • le composant enfiché (21, 22) étant fabriqué à partir d'une matière plus molle que l'autre composant, de préférence à partir d'une matière métallique molle telle que le laiton.
  11. Accouplement de cadre de lisses (1) selon les deux revendications précédentes,
    caractérisé en ce que
    • l'élément d'encliquetage (4) comprend un composant (21, 22) qui comporte une matière à coefficients de frottement faibles, de préférence du téflon,
    • et en ce que ce composant (21, 22) se situe au moins partiellement au niveau de la pointe de l'élément d'encliquetage (4) qui est tournée vers l'élément d'accouplement (3) dans l'état accouplé de l'accouplement de cadre de lisses (1), lequel élément d'accouplement ne comporte pas l'élément d'encliquetage (4).
  12. Cadre de lisses (1), sur lequel est monté au moins un élément d'accouplement (2) présentant les caractéristiques suivantes :
    a) l'au moins un élément d'accouplement (2) peut être amené à une liaison libérable par rapport à un deuxième élément d'accouplement (3) par un mouvement relatif rapport à l'autre élément d'accouplement (3) qui s'étend sensiblement le long de la direction de déplacement (z) du cadre de lisses (11),
    b) l'au moins un élément d'accouplement (2) comporte un élément d'encliquetage (4) qui s'étend sensiblement le long de la direction de déplacement (z) du cadre de lisses (11),
    c) l'élément d'encliquetage (4) comporte une surface de serrage (5) qui s'étend également dans au moins l'une des deux directions spatiales (x, y) s'étendant transversalement à la direction de déplacement (z) du cadre de lisses,
    d) dans lequel la surface de serrage (5) permet un serrage de l'élément d'encliquetage (4) dans l'autre élément d'accouplement (3) à l'aide d'un élément de serrage (8),
    caractérisé en ce que
    e) l'au moins un élément d'encliquetage (4) est estampé d'une seule pièce, mais comprend des zones qui comportent différentes compositions de matière ou sont composées de composants différents (21, 22),
    f) l'élément d'encliquetage (4) comprend un composant de base (20) qui comporte la surface de serrage (5) et au moins un logement (25) pour l'articulation (6) sur au moins une autre partie (14) de l'élément d'accouplement (2) auquel il est associé.
EP14184986.9A 2014-09-16 2014-09-16 Accouplement de cadre de lisse et cadre de lisse en étant doté Active EP2998421B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14184986.9A EP2998421B1 (fr) 2014-09-16 2014-09-16 Accouplement de cadre de lisse et cadre de lisse en étant doté
CN201580049976.0A CN107075748B (zh) 2014-09-16 2015-09-14 综线轴杆联接装置和具有此联接装置的综线轴杆
PCT/EP2015/070915 WO2016041885A1 (fr) 2014-09-16 2015-09-14 Accouplement d'arbre de lisse, et arbre de lisse comprenant un tel accouplement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14184986.9A EP2998421B1 (fr) 2014-09-16 2014-09-16 Accouplement de cadre de lisse et cadre de lisse en étant doté

Publications (2)

Publication Number Publication Date
EP2998421A1 EP2998421A1 (fr) 2016-03-23
EP2998421B1 true EP2998421B1 (fr) 2020-04-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14184986.9A Active EP2998421B1 (fr) 2014-09-16 2014-09-16 Accouplement de cadre de lisse et cadre de lisse en étant doté

Country Status (3)

Country Link
EP (1) EP2998421B1 (fr)
CN (1) CN107075748B (fr)
WO (1) WO2016041885A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608040A5 (en) * 1976-11-05 1978-12-15 Staubli Sa Ets Device for coupling shaft frames to the transmission mechanism of a weaving loom
DE2656380C3 (de) * 1976-12-13 1980-09-04 S.A. Des Ets. Staubli (France), Faverges, Haute-Savoie (Frankreich) Vorrichtung zum Verbinden der Schäfte mit der Fachbildevorrichtung einer Webmaschine
FR2540898A1 (fr) 1983-02-16 1984-08-17 Staubli Sa Ets Dispositif d'accrochage pour la liaison semi-automatique des cadres de lisses des metiers a tisser avec les leviers destines a leur commande
CH670114A5 (fr) * 1986-04-11 1989-05-12 Sulzer Ag
CH681635A5 (fr) 1989-07-07 1993-04-30 Sulzer Ag
EP0654553A1 (fr) * 1993-11-24 1995-05-24 Sulzer RàœTi Ag Dispositif pour l'accouplement d'un cadre pour lisses avec un dispositif d'entraînement
DE4343882C1 (de) 1993-12-22 1995-01-19 Dornier Gmbh Lindauer Webschaftkupplung und Vorrichtung zum simultanen Öffnen und Schließen einer Vielzahl von Webschaftkupplungen in einer Webmaschine
DE19548848C1 (de) 1995-12-27 1996-09-12 Dornier Gmbh Lindauer Webschaftkupplung mit einer Entkupplungsvorrichtung
DE19640370C1 (de) 1996-09-30 1998-02-12 Dornier Gmbh Lindauer Webmaschine mit Vorrichtungen zum Aufnehmen und Führen von Schaftstangen
DE10318806A1 (de) * 2003-04-17 2004-11-11 Picanol N.V. Antrieb für Webschäfte einer Webmaschine
FR2869920B1 (fr) * 2004-05-06 2006-06-09 Staubli Faverges Sca Mecanisme de formation de la foule et metier a tisser equipe d'un tel mecanisme
EP2573240B1 (fr) * 2011-09-20 2015-05-27 Groz-Beckert KG Corde à lisse de sécurité à vitesse élevée

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2998421A1 (fr) 2016-03-23
CN107075748B (zh) 2019-08-13
WO2016041885A1 (fr) 2016-03-24
CN107075748A (zh) 2017-08-18

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