EP2998421B1 - Heald frame coupling and heald frame with the same - Google Patents
Heald frame coupling and heald frame with the same Download PDFInfo
- 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
Links
- 230000008878 coupling Effects 0.000 title claims description 96
- 238000010168 coupling process Methods 0.000 title claims description 96
- 238000005859 coupling reaction Methods 0.000 title claims description 96
- 239000000463 material Substances 0.000 claims description 17
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 TeflonĀ® Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims 6
- 235000019589 hardness Nutrition 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000009941 weaving Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000011343 solid material Substances 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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 "boltā or similar spring-loaded elements is to be dispensed with. Instead, the heald frame coupling is to be locked and unlocked via a ārelative pivoting of coupling sleeve and coupling memberā. 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 āheterogeneousā 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 āsnap-in elementā, 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 ātipā 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)
- Looms (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Clamps And Clips (AREA)
- Mechanical Operated Clutches (AREA)
Description
Webschaftkupplungen und WebschƤfte sind bekannt. Webschaftkupplungen der gattungsgemƤĆen Art sorgen fĆ¼r eine Verbindung zwischen Webschaft und Webschaftantrieb. Oft wird hierbei eine StoĆstange, die die Kraft des Webschaftantriebs Ć¼bertrƤgt, mit dem Webschaft verbunden. Die Webschaftkupplungen setzen sich hierbei aus zwei Kupplungselementen zusammen, von denen eines dem Schaft und das andere dem Schaftantrieb zugeordnet ist. Zu den Anforderungen an eine solche Webschaftkupplung zƤhlt eine schnelle Lƶs- bzw. Verbindbarkeit sowie die GewƤhrleistung einer weitgehend spielfreien Verbindung. Die
Die
Weiter fortgeschrittene AusfĆ¼hrungen von Webschaftkupplungen werden in den Druckschriften
- a) die Kupplungselemente sind durch eine Relativbewegung zueinander, die im Wesentlichen entlang der Bewegungsrichtung (z) des Schaftes verlƤuft, in eine lƶsbare Verbindung bringbar,
- b) zumindest eines der beiden Kupplungselemente verfĆ¼gt Ć¼ber ein Einrastelement, das im Wesentlichen entlang der Bewegungsrichtung (z) des Schaftes verlƤuft,
- c) das Einrastelement verfĆ¼gt Ć¼ber eine SpannflƤche, die sich auch in zumindest einer der beiden quer zu der der Bewegungsrichtung (z) des Schaftes verlaufenden Raumrichtungen (x,y) erstreckt,
- d) das andere Kupplungselement verfĆ¼gt Ć¼ber zumindest ein Spannelement zum bevorzugt spielfreien Einrasten der SpannflƤche.
- a) the coupling elements can be brought into a releasable connection by a relative movement to one another, which runs essentially along the direction of movement (z) of the shaft,
- b) at least one of the two coupling elements has a latching element which runs essentially along the direction of movement (z) of the shaft,
- c) the latching element has a clamping surface which also extends in at least one of the two spatial directions (x, y) which run transversely to the spatial direction of the movement (z) of the shaft,
- d) the other coupling element has at least one clamping element for preferably locking the clamping surface without play.
Die in den letztgenannten Druckschriften gezeigten Webschaftkupplungen genieĆen einen guten Ruf. Jedoch weisen auch sie Nachteile auf:
Oft ist die Verbindung zwischen den Webschaftkupplungen schwer lƶsbar. Auch beim ZusammenfĆ¼gen erweisen sich die Kupplungen als schwergƤngig.The 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.
Die Aufgabe der vorliegenden Erfindung besteht darin, diesen Nachteilen abzuhelfen. Die Aufgabe wird gelƶst durch die AnsprĆ¼che 1 und 15.The object of the present invention is to remedy these disadvantages. The object is achieved by
Nach der Erfindung soll das Einrastelement heterogen sein. Der Begriff "heterogen" schlieĆt hierbei ein, dass das Einrastelement einstĆ¼ckig ausgeprƤgt ist und Zonen seiner rƤumlichen Erstreckung aufweist, die aus unterschiedlichen Materialien oder Materialzusammensetzungen bestehen. Ein derartiges Einrastelement kann zum Beispiel im Sinterverfahren hergestellt sein. Im Bereich der SpannflƤche des Einrastelements ist die Konzentration hartmetallischer Sinterbestandteile wie Wolframcarbid vorteilhafterweise besonders hoch. Im Bereich der Spitze des Einrastelements, die in der Bewegungsrichtung des Schaftes am Weitesten in Richtung auf das andere Kupplungselement auskragt, ist es von Vorteil, dem Sintermaterial vermehrt Stoffe beizumischen, die die Reibung der AussenflƤche des Einrastements herabsetzen. Zu diesen Stoffen zƤhlen Bronzebestandteile, aber auch - soweit das Sinterverfahren dies zulƤsst - Graphitbestandteile.According to the invention, the latching element should be heterogeneous. The term "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. In the area of the clamping surface of the snap-in element, the concentration of hard metal sinter components is like Tungsten carbide is advantageously particularly high. In the area of 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.
Die Beimischung weicherer Materialien - wie Messing - hat in den Bereichen des Einrastelements, in denen StƶĆe mit anderen Bestandteilen zustande kommen kƶnnen, seine Vorteile. Das Einrastelement ist in der Regel einer hohen Zugbelastung ausgesetzt. Falls die Zugbelastung fĆ¼r die Verwendung von bestimmten Sintermaterialien ein Problem darstellt, kƶnnen grƶĆere und insbesondere lƤngere Bauteile aus Vollmaterial mit in die Sinterform gebracht werden, um die Zugbelastung abzufangen. Diese kƶnnen wieder aus Metallen oder Kohlenstoff oder Glas bestehen.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.
Der Begriff "heterogen" schlieĆt im vorstehenden Zusammenhang ebenfalls ein, dass das Einrastelement aus unterschiedlichen Bauteilen zusammengesetzt ist. Diese Bauteile kƶnnen von ihrer Zusammensetzung und/oder ihrem Herstellverfahren unterschiedlich oder gleich beschaffen sein, wobei die Form der Bauteile verschieden sein darf. In der Regel kommt es bei der Verwendung unterschiedlicher Bauteile zur Herstellung eines Einrastelements zur Bildung von StoĆstellen zwischen diesen Bauteilen. Diese Einrastelemente sind vorteilhafterweise nicht einstĆ¼ckig; sie kƶnnen mehrteilig sein.The term āheterogeneousā 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.
Die Herstellung zumindest eines Einrastelementes aus verschiedenen Werkstoffen bringt eine Reihe von Vorteilen mit sich. So lassen sich gegenĆ¼ber einer Herstellung aus Vollmaterial - insbesondere homogenem Vollmaterial - Kostenvorteile erzielen. Es kƶnnen hohle Bauteile mit Bauteilen aus Vollmaterial kombiniert werden. Massive Metallteile kƶnnen mit gesinterten Teilen und/oder Teilen aus Kunststoffspritzguss kombiniert werden.The production of at least one snap element from different materials brings with it a number of advantages. In this way, cost advantages can be achieved compared to 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.
Oft ist die Spitze des ersten Einrastelements, die am weitesten in Richtung auf das andere Kupplungselement auskragt oder weist, dem das erste Einrastelement nicht zugeordnet ist, aus einem anderen Material hergestellt als die SpannflƤche. Bei der Herstellung des Bauteils, das die Spitze zumindest teilweise definiert, kann Teflon Verwendung finden. Dieses Bauteil kann auch ein Kunststoffspritzgussteil sein. Es kann auch aus Blechen hergestellt sein.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. 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.
Im Zusammenhang mit dem Begriff "Einrastelement" ist noch zu erwƤhnen, dass damit in der Regel ein lƤngliches Bauteil, das ggf. Ć¼ber teilweise abgerundete Ecken verfĆ¼gt, gemeint ist. Wie bereits erwƤhnt zeigen fortgeschrittene AusfĆ¼hrungen von Webschaftkupplungen gemĆ¤Ć der Druckschriften
Die oben erwƤhnten Bauteile des Einrastelements kƶnnen durch Rastverbindungen an einem anderen Bauteil, oft einem Grundbauteil, befestigt sein. Das Grundbauteil ist an ein anderes Bauteil seines Kupplungselementes angelenkt. Diese Anlenkung, die oft die Verbindung zu dem Webschaft oder zu dessen Antrieb sicherstellt, kann dauerhaft aber lƶsbar sein (z. B. Schraubverbindung). Zu diesem Zweck kann die Anlenkung eine Bohrung umfassen, durch die eine Achse hindurchgreift. Die Anlenkung kann damit eine Schwenkbarkeit des Einrastelements sicherstellen.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). For this purpose, the articulation can comprise a bore through which an axis extends. The articulation can thus ensure that the latching element can be pivoted.
Das Grundbauteil des Einrastelements umfasst auch zumindest eine SpannflƤche. Das Einrastelement umfasst vorteilhafterweise u-fƶrmige Bauteile. In vorteilhafter Weiterbildung dieser Idee kƶnnen es die u-fƶrmigen Bauteile sein, die an dem Grundbauteil angebracht werden. Zu diesem Zweck kƶnnen sie zusƤtzliche Einrastelemente aufweisen. Schuhe, die auf Anschlagkanten des Einrastelements aufschiebbar sind und/oder die "Spitze" des Einrastelements (der Teil der in der Bewegungsrichtung des Schaftes am weitesten in Richtung auf das andere Bauteil auskragt) kann in dieser Weise ausgeformt sein. Dass die verschiedenen Bauteile des Einrastelements nicht einstĆ¼ckig sind, ist eine Fortbildung der Erfindung. Die unterschiedlichen Bauteile oder die unterschiedlichen Zonen der rƤumlichen Erstreckung des Einrastelements kƶnnen aus unterschiedlichen Materialien mit unterschiedlichen physikalischen Eigenschaften sein. So kann die Spitze einen niedrigen Haft- und oder Gleitkoeffizienten aufweisen (z. B. Teflon). Das Bauteil, das die SpannflƤche umfasst, ist vorteilhafterweise hart (bzw. hƤrter als die anderen). Reibende oder stoĆende Kanten kƶnnen aus weicheren Materialien wie Messing hergestellt werden oder eine hƶhere Messingkonzentration aufweisen.The basic component of the latching element also comprises at least one clamping surface. The latching element advantageously comprises U-shaped components. In an advantageous development of this idea, it can be the U-shaped components that are attached to the basic component. For this purpose, they can have additional snap-in elements. Shoes that can be pushed onto stop edges of the snap-in element and / or the ātipā 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. A further development of the invention is that 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. For example, 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.
So kƶnnen die Anschlagkanten des Einrastelements durch Schuhe geschĆ¼tzt werden, die aufsteckbar oder aufschiebbar sind. Sie kƶnnen aus relativ weichem Material geformt werden.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.
Im Folgenden wird die vorliegende Erfindung durch AusfĆ¼hrungsbeispiele anhand der Figuren nƤher erlƤutert. Die vorgestellten Merkmale der einzelnen AusfĆ¼hrungsbeispiele lassen sich in der Regel in vorteilhafter Weise auf die Erfindung in ihrer allgemeinsten Form Ć¼bertragen.
- Fig. 1:
-
Figur 1 zeigt eine Webschaftkupplung mit zwei entkuppelten Kupplungselementen in der Seitenansicht - Fig. 2:
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zeigt dieselbe Webschaftkupplung mit zwei eingekuppelten Kupplungselementen in der Seitenansicht, wobei der Webschaft angedeutet ist.Figur 2 - Fig. 3:
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zeigt eine Explosionsskizze des webschaftseitigen KupplungselementsFigur 3 - Fig. 4:
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zeigt eine Explosionsskizze des Einrastelements des webschaftseitigen KupplungselementsFigur 4 - Fig. 5:
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zeigt eine Skizze einer Kappe eines EinrastelementsFigur 5 - Fig. 6:
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zeigt einen Querschnitt eines Anschlagschuhs eines EinrastelementsFigur 6 - Fig. 7:
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zeigt eine perspektivische Ansicht eines Anschlagschuhs eines EinrastelementsFigur 7 - Fig. 8:
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zeigt eine Explosionsskizze einer zweiten leicht abgewandelten AusfĆ¼hrungsform eines webschaftseitigen KupplungselementesFigur 8 - Fig. 9:
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zeigt das Grundbauteil des Einrastelements des zweiten AusfĆ¼hrungsbeispiels des webschaftseitigen Kupplungselementes in der VorderansichtFigur 9 - Fig. 10:
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zeigt die Kappe des Einrastelements des zweiten AusfĆ¼hrungsbeispiels des webschaftseitigen Kupplungselementes in perspektivischer AnsichtFigur 10 - Fig. 11:
-
zeigt das Einrastelement eines dritten AusfĆ¼hrungsbeispiels des webschaftseitigen Kupplungselementes in der VorderansichtFigur 11
- Fig. 1:
-
Figure 1 shows a heald frame coupling with two uncoupled coupling elements in side view - Fig. 2:
-
Figure 2 shows the same heald frame coupling with two coupled coupling elements in a side view, the heald frame being indicated. - Fig. 3:
-
Figure 3 shows an exploded view of the heald side coupling element - Fig. 4:
-
Figure 4 shows an exploded view of the locking element of the heald side coupling element - Fig. 5:
-
Figure 5 shows a sketch of a cap of a snap element - Fig. 6:
-
Figure 6 shows a cross section of a stop shoe of a locking element - Fig. 7:
-
Figure 7 shows a perspective view of a stop shoe of a locking element - Fig. 8:
-
Figure 8 shows an exploded view of a second slightly modified embodiment of a heald end coupling element - Fig. 9:
-
Figure 9 shows the basic component of the locking element of the second embodiment of the heald side coupling element in the front view - Fig. 10:
-
Figure 10 shows the cap of the locking element of the second embodiment of the heald side coupling element in perspective view - Fig. 11:
-
Figure 11 shows the locking element of a third embodiment of the heald side coupling element in the front view
Von dem antriebseitigen Kupplungselement 3 sind in den Figuren die Grundplatte 7, die Rastnase 8, der FĆ¼hrungsstab 9 und der Schaftstab 10 gezeigt. Normalerweise verfĆ¼gt ein solches (weibliches) Kupplungselement 3 auch noch Ć¼ber eine zweite Grundplatte, die dem Betrachter der Figuren jedoch den Einblick in den Innenraum des antriebsseitigen Kupplungselementes 3 verwehren wĆ¼rde. Aus diesem Grunde wurde auf die Darstellung einer solchen Platte verzichtet.Of the drive-
In
Insgesamt kann man sagen, dass die in Rede stehenden (gattungsgemƤĆen) Webschaftkupplungen 1 eine lƶsbare Verbindung zwischen WebschƤften 11 und ihren Antrieben herstellen, wobei die Kraft der Antriebe in der Regel der Kupplung 1 Ć¼ber eine Schaftstange 10 vermittelt wird. Ćblich ist hierbei, dass das webschaftseitige Kupplungselement 2 das mƤnnliche Einrastelement 4 trƤgt, wƤhrend das antriebsseitige Kupplungselement 3 den weiblichen Part Ć¼bernimmt. Diese Rollenverteilung kƶnnte jedoch unter Nutzung der vorliegenden Erfindung auch umgekehrt aussehen.Overall, one can say that the heald frame couplings 1 in question (generic) 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
Das Einrastelement 4 zerfƤllt in der Explosionsskizze (
Die Anschlagschuhe 21 kƶnnen auf die Anschlagkanten 26 des Einrastelements 4 geschoben werden. Sie werden bevorzugt aus weichen Materialien wie Messing hergestellt. Generell ist es von Vorteil, wenn das Grundbauteil 20 des Einrastelements sowohl die SpannflƤche 5 als auch die Bohrung 25 zur Aufnahme der Anlenkung 6 umfasst (siehe auch
Claims (12)
- Heald frame coupling (1) for connecting a heald frame (11) to a frame drive, with the following features:a) the heald frame coupling (1) comprises two coupling elements (2, 3), the first coupling element (2) of which can be connected to the heald frame (11) and the second coupling element (3) of which can be connected to the frame drive,b) the coupling elements (2, 3) can be detachably connected by way of a relative movement with respect to one another which takes place substantially in the direction of movement of the frame (z),c) at least one of the two coupling elements (2, 3) has a snap-in element (4) which extends substantially in the direction of movement (z) of the heald frame (11),d) the snap-in element (4) has a clamping surface (5) which also extends in at least one of the two spatial directions (x, y) running transversely to the direction of movement of the frame (z),e) the other coupling element (2, 3) has at least one clamping element (8) for engagement with the clamping surface (5),
characterized in thatf) the at least one snap-in element (4) is embodied in one piece, but has zones having different material compositions or is composed of different components (21, 22),g) the snap-in element (4) has a base component (20) comprising the clamping surface (5) and comprising at least one receiving means (25) for the linkage (6) to at least one other constituent part (14) of the coupling element (2), to which other constituent part said snap-in element is assigned. - Heald frame coupling (1) according to the preceding claim,
characterized in that
the coupling elements (2, 3) can be detachably connected to one another by way of a linear relative movement. - Heald frame coupling (1) according to either of the preceding claims,
characterized in that
the at least one snap-in element (4) is hook-shaped. - Heald frame coupling (1) according to one of the preceding claims,
characterized
in that the clamping surface (5) of the at least one snap-in element (4) is a constituent part of a first component (2),
while the tip of the snap-in element, which projects furthest in the direction of the other coupling element (3) in the direction of movement (z) of the frame, comprises constituent parts of a second component (22). - Heald frame coupling according to one of the preceding claims,
characterized in that
the snap-in element has the following components:a) components with recesses (24) for engagement with latching elements (23),b) components with latching elements (23). - Heald frame coupling (1) according to one of the preceding claims,
characterized in that
the linkage (6) is a pivotable linkage. - Heald frame coupling according to the preceding claim,
characterized in that
the snap-in element (4) comprises a drilled hole (25) for receiving the linkage (6). - Heald frame coupling according to one of the preceding claims,
characterized in that
the snap-in element (4) has components (21, 22) with a preferably U-shaped profile, which can be plugged or slid onto the base component (20) of the snap-in element. - Heald frame coupling (1) according to one of the preceding claims,
characterized in that
the snap-in element (4) has components (20, 21, 22) with the following properties:ā¢ differing hardnessesā¢ differing coefficients of static friction and/or of sliding frictionā¢ differing densities. - Heald frame coupling according to the two preceding claims,
characterized in thatā¢ the snap-in element (4) has at least one component (21, 22) with a preferably U-shaped profile,ā¢ which components are plugged or slid onto another component (20),ā¢ wherein the plugged-on component (21, 22) is produced from a softer material than the other component, preferably from a soft metal material such as brass. - Heald frame coupling (1) according to the two preceding claims,
characterizedā¢ in that the snap-in element (4) has a component (21, 22) comprising a material with a low coefficient of friction, preferably Teflon,ā¢ and in that said component (21, 22) is at least partially on the tip of the snap-in element (4), which, in the coupled-in state of the heald frame coupling (1), faces towards that coupling element (3) which does not have the snap-in element (4). - Heald frame (1), to which is attached at least one coupling element (2) with the following features:a) the at least one coupling element (2) can be detachably connected to the second coupling element (3) by way of a relative movement with respect to another coupling element (3) which takes place substantially in the direction of movement (z) of the frame (11) in the weaving machine,b) the at least one coupling element (2) has a snap-in element (4) which extends substantially in the direction of movement (z) of the frame (11),c) the snap-in element (4) has a clamping surface (5) which also extends in at least one of the two spatial directions (x, y) running transversely to the direction of movement (z) of the frame,d) wherein the clamping surface (5) provides for firmly clamping the snap-in element (4) in the other coupling element (3) by means of a clamping element (8),
characterized in thate) the at least one snap-in element (4) is embodied in one piece, but has zones having differing material compositions or is composed of different components (21, 22),f) the snap-in element (4) has a base component (20) comprising the clamping surface (5) and comprising at least one receiving means (25) for the linkage (6) to the at least one other constituent part (14) of the coupling element (2), to which other constituent part said snap-in element is assigned.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14184986.9A EP2998421B1 (en) | 2014-09-16 | 2014-09-16 | Heald frame coupling and heald frame with the same |
PCT/EP2015/070915 WO2016041885A1 (en) | 2014-09-16 | 2015-09-14 | Heald shaft coupling and heald shaft having such a coupling |
CN201580049976.0A CN107075748B (en) | 2014-09-16 | 2015-09-14 | Harness cord shaft coupling arrangement and harness cord shaft with this coupling arrangement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14184986.9A EP2998421B1 (en) | 2014-09-16 | 2014-09-16 | Heald frame coupling and heald frame with the same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2998421A1 EP2998421A1 (en) | 2016-03-23 |
EP2998421B1 true EP2998421B1 (en) | 2020-04-08 |
Family
ID=51570291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14184986.9A Active EP2998421B1 (en) | 2014-09-16 | 2014-09-16 | Heald frame coupling and heald frame with the same |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2998421B1 (en) |
CN (1) | CN107075748B (en) |
WO (1) | WO2016041885A1 (en) |
Family Cites Families (12)
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 (en) * | 1976-12-13 | 1980-09-04 | S.A. Des Ets. Staubli (France), Faverges, Haute-Savoie (Frankreich) | Device for connecting the shafts with the shedding device of a loom |
FR2540898A1 (en) | 1983-02-16 | 1984-08-17 | Staubli Sa Ets | HANGING DEVICE FOR THE SEMI-AUTOMATIC LINKAGE OF HARNESSES OF WEAVING MATERIALS WITH LEVERS INTENDED FOR THEIR CONTROL |
CH670114A5 (en) * | 1986-04-11 | 1989-05-12 | Sulzer Ag | |
CH681635A5 (en) * | 1989-07-07 | 1993-04-30 | Sulzer Ag | |
EP0654553A1 (en) * | 1993-11-24 | 1995-05-24 | Sulzer RĆ ĀTi Ag | Device for connecting a weaving frame with a driving device |
DE4343882C1 (en) | 1993-12-22 | 1995-01-19 | Dornier Gmbh Lindauer | Heald-frame coupling and device for the simultaneous opening and closing of a plurality of heald-frame couplings in a weaving machine |
DE19548848C1 (en) | 1995-12-27 | 1996-09-12 | Dornier Gmbh Lindauer | Loom shaft uncoupling unit |
DE19640370C1 (en) * | 1996-09-30 | 1998-02-12 | Dornier Gmbh Lindauer | Assemblies to hold and guide loom shaft rods |
DE10318806A1 (en) * | 2003-04-17 | 2004-11-11 | Picanol N.V. | Drive for heald frames on loom has motor and linkage mechanism housed in separate self-contained unit attached to loom frame |
FR2869920B1 (en) * | 2004-05-06 | 2006-06-09 | Staubli Faverges Sca | CROWN TRAINING MECHANISM AND WEAVING EQUIPPED WITH SUCH A MECHANISM |
EP2573240B1 (en) * | 2011-09-20 | 2015-05-27 | Groz-Beckert KG | High speed safety heald shaft |
-
2014
- 2014-09-16 EP EP14184986.9A patent/EP2998421B1/en active Active
-
2015
- 2015-09-14 WO PCT/EP2015/070915 patent/WO2016041885A1/en active Application Filing
- 2015-09-14 CN CN201580049976.0A patent/CN107075748B/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
WO2016041885A1 (en) | 2016-03-24 |
CN107075748A (en) | 2017-08-18 |
EP2998421A1 (en) | 2016-03-23 |
CN107075748B (en) | 2019-08-13 |
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