EP2998421A1 - 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

Info

Publication number: EP2998421A1
Authority: EP; European Patent Office
Prior art keywords: latching element; webschaftkupplung; coupling; movement; latching
Prior art date: 2014-09-16
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.): Granted

Application number

EP14184986.9A

Other languages

German (de)

English (en)

Other versions

EP2998421B1 (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.)

2014-09-16

Filing date

2014-09-16

Publication date

2016-03-23

2014-09-16 Application filed by Groz Beckert KG filed Critical Groz Beckert KG

2014-09-16 Priority to EP14184986.9A priority Critical patent/EP2998421B1/fr

2015-09-14 Priority to CN201580049976.0A priority patent/CN107075748B/zh

2015-09-14 Priority to PCT/EP2015/070915 priority patent/WO2016041885A1/fr

2016-03-23 Publication of EP2998421A1 publication Critical patent/EP2998421A1/fr

2020-04-08 Application granted granted Critical

2020-04-08 Publication of EP2998421B1 publication Critical patent/EP2998421B1/fr

Status Active legal-status Critical Current

2034-09-16 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

Webschaftkupploder and heald frames are known.
Webschaftkupplungen of the generic type provide a connection between weaving shank and Webschaftantrieb. Often this is a bumper, which transmits the power of the weave drive, connected to the heald.
the Webschaftkupplungen here are composed of two coupling elements, one of which is assigned to the shaft and the other the shaft drive. Among the requirements of such a Webschaftkupplung counts fast release or connectivity and ensuring a largely backlash-free connection.
the EP 0117 826 B1 shows a generic Webschaftkupplung.
the heddle associated coupling element has as a basic component a stud, which is fastened with screws on the heald. On the stud a hexagon is hung rotatably.
the other - the Webschaftantrieb associated coupling element has a ramp to which the hexagon usually after a vertical downward movement - which corresponds to the downward movement of the weaving shank in operation - can be lowered.
the end region of the bumper of the shaft drive is shaped like the mouth of a hexagonal wrench, which opens in the horizontal direction - ie orthogonal to the Webschaftschisraum -.
the hexagon placed on the ramp can be easily pushed horizontally in this mouth. To close the clutch, it is locked there with a pivoting locking element.
the object of the present invention is to remedy these disadvantages.
the object is solved by the claims 1 and 15.
the latching element should be heterogeneous.
heterogeneous in this case includes that the latching element is integrally formed and has zones of its spatial extent, which consist of different materials or material compositions.
Such a latching element can be produced, for example, in the sintering process.
the concentration of cemented carbide sintered components such as tungsten carbide is advantageously particularly high.
the tip of the latching element which protrudes in the direction of movement of the shaft furthest in the direction of the other coupling element, it is advantageous to mix the sintered material increasingly substances that reduce the friction of the outer surface of the latching.
These materials include bronze components, but also - as far as the sintering process allows - graphite components.
the addition of softer materials - such as brass - has in the areas of the latching element, in which impacts with other components come about can, its advantages.
the latching element is usually exposed to a high tensile load. If the tensile load for the use of certain sintered materials is a problem, larger and especially longer components made of solid material can be brought into the sintering 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 may be different or the same from their composition and / or their manufacturing process, wherein the shape of the components may be different. In general, it comes with the use of different components for producing a latching element to form joints between these components. These latching elements are advantageously not in one piece; they can be multi-part.
At least one latching element made of different materials brings a number of advantages. In this way, cost advantages can be achieved compared with production from solid material, in particular homogeneous solid material. Hollow components can be combined with components made of solid material. Solid metal parts can be combined with sintered parts and / or parts made of plastic injection molding.
the tip of the first latching member which cantilevers or points furthest toward the other coupling member, to which the first latching member is not associated, is made of a different material than the clamping surface. Teflon can be used in the manufacture of the component that at least partially defines the tip. This component can also be a plastic injection molded part. It can also be made of sheet metal.
latching element In connection with the term "latching element” is to be mentioned that this usually means an elongated component, which may have over partially rounded corners.
latching elements As already mentioned show advanced versions of Webschaftkupplungen according to the publications EP 0 407 335 A1 . DE 196 40 370 C1 . DE 43 43 882 C1 and DE 195 48 848 C1 such latching elements.
These latching elements are often pivotally articulated in places, wherein the articulation is realized via a bore through which an axle engages.
slip rings and bearing rings which ensure the pivoting of the latching element about the axis.
the latter parts are not part of the "locking element” in the sense of this document. The same applies to the axis. All these components are often in one piece.
the above-mentioned components of the latching element can be fastened by latching connections to another component, often a basic component.
the base member is advantageously hinged to another component of its coupling element.
This linkage which often ensures the connection to the heald shaft or its drive, can be permanent but solvable (eg screw connection).
the linkage may comprise a bore through which an axle passes. The articulation can thus ensure a pivoting of the latching element.
the basic component of the latching element advantageously also comprises at least one clamping surface.
the latching element advantageously comprises U-shaped components. In an advantageous development of this idea, it may be the U-shaped components which are attached to the basic component. For this purpose, they can have additional latching elements. Shoes which can be pushed onto abutment edges of the latching element and / or the "tip" of the latching element (the part of which protrudes in the direction of movement of the shaft furthest in the direction of the other component) may be formed in this way. That the various components of the latching element are not integral, is a development of the invention.
the different components or the different zones of the spatial extent of the latch member may be made of different materials having different physical properties.
the tip can have a low adhesion and / or sliding coefficient (eg Teflon).
the component comprising the clamping surface is advantageously hard (or harder than the others). Grinding or butting edges can be made of softer materials such as brass or have a higher brass concentration.
the stop edges of the latching element can be protected by shoes that are attachable or pushed. They can be molded from relatively soft material.
FIG. 1 shows a Webschaftkupplung 1 with a webschaft generalen 2 and a drive-side coupling element 3 in the uncoupled state.
the webschaft discoverede coupling element 2 is equipped with a latching element 4, which has inter alia on the clamping surface 5 and the articulation. 6 pivotally hinged to other components of the web-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.
a (female) coupling element 3 also has a second base plate, which would, however, deny the observer of the figures insight into the interior of the drive-side coupling element 3. For this reason, has been dispensed with the representation of such a plate.
FIG. 2 the same coupling 1 is shown, wherein the coupling elements have been offset by a relative movement along the direction of movement of the heald shaft 11 in its engaged state.
the latching element 4 has slid along the right flank of the guide rod 9 in the direction of its end position.
the pivotable about the articulation 12 locking lug 8 determines the webschaft workede coupling element 2 by blocking the clamping surface 5 of the latching element 4.
it requires a spring force which is applied by a spring, not shown.
FIG. 2 is also the heald shaft 11 partially and schematically shown, which is attached to the rest 13 of the drive-side coupling element 2. Often screws serve this attachment.
the (generic) heald clutches 1 in question produce a detachable connection between heald frames 11 and their drives, wherein the force of the drives is usually imparted to the coupling 1 via a shaft rod 10. It is customary in this case that the web-side coupling element 2 carries the male latching element 4, while the drive-side coupling element 3 takes over the female part. However, this role distribution could be reversed using the present invention.
FIG. 3 shows an exploded view of the webschaft spoten coupling element 2. From this sketch it can be seen 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 aforementioned latching element 4. For this purpose, the attacks Axle pin 15, inter alia, through this hole. In the assembled state, the end of the axle pin 15 is moved by the nut 16. The pivoting of the latching element 4 is ensured by the sliding ring 17 and the bearing ring 18. As already mentioned in the introductory description, the two last-mentioned parts 17 and 18 and the components 15 and 16 of the axle do not belong to the latching element 4 and, for the purposes of the present document, they are not components thereof 4.
the latching element 4 decays in the explosion sketch ( FIG. 3 ) in the base member 20, the stop shoes 21 and the cap 22, which also in FIG. 4 is shown.
cap 22 has latching elements 23 which can engage in the recesses 24 in the latch member 4 to fix the cap 22.
the cap 22 and the stop shoes 21 (see also FIGS. 6 and 7 ) have a U-shaped profile that allows them to grip around parts of the latch member 4 and optionally clamp these parts.
the components can also be replaced quickly.
these components can also be glued, soldered, screwed or welded to the base component.
the stop shoes 21 can be pushed onto the stop edges 26 of the latching element 4. They are preferably made of soft materials such as brass. In general, it is advantageous if the basic component 20 of the latching element comprises both the clamping surface 5 and the bore 25 for receiving the articulation 6 (see also FIG FIG. 9 ).
FIG. 8 shows an exploded view of another embodiment of a webschaft spot coupling element 2, in which almost all components with the in ua
FIG. 3 shown embodiment are identical. However, the cap 22 has no latching elements 23 and there is no recess 24 provided for latching such elements, but the recess 27 is the weight savings.
the anchoring of the cap 22 (see also FIG. 10 ) on the base member 20 can therefore be made with gluing or welding.
a cap 22 may be made of plastic and preferably produced by plastic injection molding.
Caps 22 can also be made of sheet metal.
FIG. 11 shows the one-piece latching 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. In the area of the stop edge 26 of the latching element 4 a particularly large amount of brass was admixed. In the area of the edges of the bore 25, a lot of bronze was added. In the region of the zone at the tip of the latching element, lubricious materials such as bronze or carbon were added to the sintered material. In the area of the clamping surface 5 sintered components, which form carbide, such as tungsten carbide were added. The above-mentioned zones of the spatial extent of the latching element 4 were shown as thick lines.

Landscapes

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

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

Family

ID=51570291

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)

Citations (8)

* 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
EP0117826B1 (fr)	1983-02-16	1986-04-23	S.A. DES ETABLISSEMENTS STAUBLI (France)	Dispositif d'accrochage pour la liaison semi-automatique des cadres de lisses des métiers à tisser avec les leviers destinés à leur commande
EP0242668A1 (fr) *	1986-04-11	1987-10-28	GebràDer Sulzer Aktiengesellschaft	Dispositif pour accoupler le mouvement des lames respectivement la ratière d'un métier à tisser à une lame
EP0407335A1 (fr)	1989-07-07	1991-01-09	Sulzer RàTi Ag	Métier à tisser avec organe de manoeuvre pivotant pour les éléments de couplage des cadres
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
EP0654553A1 (fr) *	1993-11-24	1995-05-24	Sulzer RàTi Ag	Dispositif pour l'accouplement d'un cadre pour lisses avec un dispositif d'entraînement
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
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

2014
- 2014-09-16 EP EP14184986.9A patent/EP2998421B1/fr active Active
2015
- 2015-09-14 WO PCT/EP2015/070915 patent/WO2016041885A1/fr not_active Ceased
- 2015-09-14 CN CN201580049976.0A patent/CN107075748B/zh active Active

Patent Citations (8)

* 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
EP0117826B1 (fr)	1983-02-16	1986-04-23	S.A. DES ETABLISSEMENTS STAUBLI (France)	Dispositif d'accrochage pour la liaison semi-automatique des cadres de lisses des métiers à tisser avec les leviers destinés à leur commande
EP0242668A1 (fr) *	1986-04-11	1987-10-28	GebràDer Sulzer Aktiengesellschaft	Dispositif pour accoupler le mouvement des lames respectivement la ratière d'un métier à tisser à une lame
EP0407335A1 (fr)	1989-07-07	1991-01-09	Sulzer RàTi Ag	Métier à tisser avec organe de manoeuvre pivotant pour les éléments de couplage des cadres
EP0654553A1 (fr) *	1993-11-24	1995-05-24	Sulzer RàTi 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

Also Published As

Publication number	Publication date
CN107075748B (zh)	2019-08-13
EP2998421B1 (fr)	2020-04-08
WO2016041885A1 (fr)	2016-03-24
CN107075748A (zh)	2017-08-18

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