EP0576854B1 - Métier à tisser à griffes - Google Patents

Métier à tisser à griffes Download PDF

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Publication number
EP0576854B1
EP0576854B1 EP93108930A EP93108930A EP0576854B1 EP 0576854 B1 EP0576854 B1 EP 0576854B1 EP 93108930 A EP93108930 A EP 93108930A EP 93108930 A EP93108930 A EP 93108930A EP 0576854 B1 EP0576854 B1 EP 0576854B1
Authority
EP
European Patent Office
Prior art keywords
guide
rapier
belt
guide means
gripper
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
EP93108930A
Other languages
German (de)
English (en)
Other versions
EP0576854A1 (fr
Inventor
Denis Moeneclaey
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.)
Picanol NV
Original Assignee
Picanol NV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25662637&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0576854(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from BE9200619A external-priority patent/BE1006072A3/nl
Priority claimed from BE9300369A external-priority patent/BE1007003A3/nl
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP0576854A1 publication Critical patent/EP0576854A1/fr
Application granted granted Critical
Publication of EP0576854B1 publication Critical patent/EP0576854B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/271—Rapiers
    • D03D47/272—Rapier bands

Definitions

  • the invention relates to a rapier weaving machine with at least a gripper, which is arranged on a gripper belt, the can be inserted into a shed and pulled out of the shed is and that within the shed by means of movable guide means is led in and out of the shed the shed can be moved out, in the area of the rapier a guide part is provided which at least the gripper belt widened on one side.
  • a weaving machine is also known (FR 2 552 455 A1), at which, by means of specialist training facilities, two superimposed Weaving fans are formed.
  • Each of these weaving compartments is assigned a gripper driven by a gripper belt.
  • a plastic guide part is arranged, that protrudes on both sides over the gripper belt.
  • the guide part forms a sliding surface with which it is on the weaving comb is led.
  • Side guide means arranged with the sley be moved and who are accordingly in the Move weaving fans in and out of them.
  • This Guide means are each provided with a nose, the a longitudinal groove of the guide part is assigned. Two each Guide means are with their noses at the same time as the guide part engaged.
  • the invention has for its object a rapier weaving machine of the type mentioned in such a way that the Gripper belt and the gripper are not due to twisting can move out of the leadership means.
  • the gripper belt and guide means having guides associated with the guide part are arranged in a row one behind the other and each have at least two guides, one of which Guiding the top of the gripper belt and guiding the Underside of the gripper belt are assigned that at least one of these guides both the gripper belt and the Guide part is assigned, and that the guide part to each other has opposite guide surfaces with guides the guide means a side guide for the guide part form.
  • the mutual Distance of the movable guide means in the longitudinal direction of the gripper belt in this way to the length of the guide part it is agreed that in each case at least two guide means are simultaneously engaged with the guide member. This makes the guide part particularly safe to guide ensures that it is not between the management means can twist or move upwards.
  • the stationary guide means the gripper belt lead across and perpendicular to its flat sides and recesses have a distance from the guide surfaces of the guide part. This ensures that the stationary guide means the gripper belt across and perpendicular align to its flat sides while those in the shed Movable guide means assigned to the guide part are. This eliminates the risk of wear on the gripper belt reduce significantly because of possible misalignments the movable guide means in relation to the stationary ones Guide means not to wear the gripper belt to lead.
  • the stationary guide means and the movable guide means are provided with guides, each on different Place the gripper belt guide surfaces assigned.
  • the rapier weaving machine shown in FIGS. 1 to 3 contains two gripper belts (1) for a transfer gripper (2) and one Takeover gripper (3).
  • the one driven by a drive device (4) Gripper belt (1) moves the transfer gripper (2) with it the weft to be inserted up to the area of the middle of the Rapier weaving machine, where the takeover rapier (3), its rapier belt (1) also driven by drive means (4) is, takes the weft and to the opposite side transported.
  • the drive means (4) in the area of side frames (5) are arranged, for example via a gear driven drive wheel (6) for the two Gripper belts (1).
  • the gripper belts (1) are made using guide blocks (7) in contact with the respective drive wheel (6) held.
  • the rapier weaving machine is also provided with a sley (8), which is stored in the side frames (5) and which means drive means synchronized with the drive means (4) (10) is driven.
  • the rapier weaving machine is also equipped with a device Shed formation, the warp threads (19, 20) each weave forms, in which the weft threads are entered.
  • the sley (8) has a sley axis (15) with a sley profile (16) is provided on which a weaving comb (9) by means of Fastening means (17) is attached. After inserting the These are weft threads on the cloth (22) by a corresponding Swivel of the sley (8) struck.
  • On the web store profile (16) is the weaving comb (9) by means of clamping devices attached.
  • the web shop profile (16) has an intermediate profile (18) guide means (12) attached, in particular 2 can be seen. This guide means (12), the attached to the intermediate profile (18) by means of screws (21) are pivoted with the sley (8) so that they move into the respective shed (14) that is formed and then be moved out again.
  • the stationary guide means (11) guide the gripper belts (1) parallel and perpendicular to their flat sides. Are there Guides of the guide means (11) directly guide surfaces assigned to the gripper belts (1).
  • the leadership, especially the lateral guidance in the essentially determined by a guide part (13), each in the area of the two grippers (2 and 3) on the associated one Gripper belt and / or on the gripper (2, 3) is attached.
  • This Guide part determined in connection with the guide means (12) essentially the lateral position in the area of the Gripper.
  • the guide means (12) guide the gripper belts (1) on the upper and lower flat side additionally.
  • the stationary guide means (11) and the movable guide means (12) assigned to different guide surfaces are and in particular also different components with regard to the lateral guidance, namely the gripper belts (1) on the one hand and the guide parts (13) on the other hand, is the danger wear of the gripper belts is significantly reduced.
  • a disruptive influence is a little inaccurate Assembly of the movable guide means (12) in relation to the stationary guide means (11) less disturbing.
  • the gripper belts (1) do not twist about their longitudinal axis with the grippers (2, 3) can, since both the guide parts (13) and the gripper belts (1) of the movable guide means on their tops and subpages.
  • this unit is approximately over approximately half of their total width between an upper and guided bottom guide so that it is practically excluded is that the gripper belts (1) with the grippers (2, 3) around turn its longitudinal axis and leave the guide means (12) could.
  • the gripper belts have (1) in the area of the two end faces and in the edge area the upper and lower flat sides of guide surfaces (23, 24, 25, 26) with guides (27, 28, 29, 30) of the stationary Guide means (11) work together, but not with the movable ones Guide means (12).
  • the stationary guide means (11) have a recess, which in the area of one edge of the gripper belts (1) Guides (27, 28, 29) assigned to the edge region each form Connect at right angles. On a guide (30) is provided on the opposite side, that of the end face of the gripper belt serving as the guide surface (26) (1) is assigned to a substantially rectangular Has cross section. In the other areas, the Recess of the stationary guide means (11) compared to the Gripper belt (1) reset in such a way that the gripper belt (1) is not touched in these areas.
  • the guide part (13) has a strip-shaped body that the gripper belt protrudes laterally and downwards.
  • the recess the stationary guide means (11) is designed in such a way that they have this strip-shaped body of the guide part (13) surrounded by distance, i.e. do not touch and also no leadership function for this guide part (13).
  • the strip-shaped Body of the guide part (13) is then on the end face (26) of the gripper belt (1) with a recess provided, in which a the guide (30) forming approach of the stationary Guide means (11) protrudes only as the guide surface (26) serves the front side of the gripper belt, but maintains a distance from the guide part (13).
  • the Gripper belts (11) are thus stationary Guide means perpendicular to its flat side (arrow direction B) and parallel to their flat sides (arrow direction C) by means of stationary guide means (11) performed.
  • the upper web of the guide means (12) is close to the gripper (2 or 3) extended so that it is hook-shaped overlaps the upper flat side of the gripper belt (1). In this Area forms the upper flat side of the gripper belt Guide surface (35) for guiding (37) the guide means (12).
  • the lower web of the guide means (12) extends to beyond the middle of the gripper belts (1) and forms one Guide (38) for an area of the lower flat side of the gripper belt (36), which serves here as a guide surface (36).
  • FIGS. 6 to 8 The attachment of the guide part (13) is shown in FIGS. 6 to 8. This is in the area of the end of the gripping bandage (1) a recess into which the guide part is incorporated an approach is used that is essentially flush with the lower flat side of the gripper belt (1) runs.
  • the recess does not extend into the area of the guide surface (25) of the guide part (13) opposite edge of the Gripper belt (1), so that an uninterrupted transition between this guide surface (25) and as a further guide surface (24) serving end face of the gripper belt (1) is given. This avoids that between the gripper belt (1) and the guide part (13) can hook warp threads, whereby Warp thread breaks could arise.
  • the distance is in a series of guide means arranged in relation to the length the guide part (13) chosen so that at least two and if possible three guide means (12) in engagement with the guide part (13).
  • the gripper belts are provided with cutouts (39) which a toothing of the drive wheel (6) of the drive device assigned.
  • the strip-like body of the guide part (13) with a longitudinal groove (42) is provided, in which a rib-like guide (43) movable guide means (12) enters.
  • a rib-like guide (43) movable guide means (12) enters.
  • the guide part (13) in mirror image on the upper flat side the gripper belt (1) is attached so that its approach then between the gripper belt (1) and the gripper (2 or 3) located.
  • 11 and 12 is the gripper belt (1) widened by means of a guide part (13) which is the same Strength as the gripper belt (1).
  • On the gripper belt (1) is essentially a gripper in the center (2) appropriate.
  • the guide part (13) protrudes on both sides the gripper belt (1) and is between the movable Guide means (12) and the weaving comb (9) laterally guided.
  • On the side facing away from the weaving comb (9) forms an essential one Widening while it is facing the weaving comb (9) Forms only a narrow margin.
  • the gripper belt (1) and the guide part (13) are only an intermediate profile (18) performed with the sley (8) in not shown Way is connected.
  • the guide surface of the intermediate profile (18) has a preferably elastic coating (60) Mistake.
  • the gripper belt slides (1) and the guide part (13) on the lower warp threads (20).
  • the guide part can be released using screws and nuts (66) attached to the gripper (2 and 3).
  • the guide part is the guide part only on a gripper or only on one Gripper belt (1) attached.
  • FIG. 13 differs from that Embodiment according to FIG. 11 essentially in that the guide part (13) has a greater height than the gripper belt (1).
  • the hook-shaped guide means (12) thus serve only as a guide for the guide part (13), without the upper one Touch the flat side of the gripper belt (1). This will make a Wear on the gripper belt (1) restricted.
  • the guide part (13) engages over the edge of the gripper belt (1) in such a way that the hook-shaped guide means (12) as close as possible to the Gripper (2) can be brought up, which again in the is arranged substantially centrally on the gripper belt (1).
  • the guide part (13) is located to the side of the rapier belt on the weaving comb (9) opposite side. It is made of C-shaped guide means (12) added the top and bottom of the guide member to lead between them.
  • the guide part (13) has a greater strength than the gripper belt (1), on which a gripper (2) is centered again is arranged.
  • the guide part (13) is in one of the side surfaces limited recess (61) performed so that this Guide means (12) the guide part (13) parallel to the Lead flat sides of the gripper belt and also perpendicular to it.
  • the guide part (13) is with one down over the underside of the gripper belt (1) protruding approach (64) provided, the recesses of the movable Guide means (12) are assigned. These recesses form with a side flank (63) and an opposite Guide surface of the approach (64) of the guide part (13) one Lateral guidance.
  • the gripper (2) itself can also be used for such Guide elements attached to the movable Cooperate management means (12).
  • the hook-shaped approach (67) be part of the gripper.
  • the Provide the gripper with a strip-shaped guide attachment (68) which is assigned to the upper edge of the guide means (12).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)

Claims (13)

  1. Machine à tisser à griffes, comportant au moins une griffe (2, 3), qui est disposée sur une bande à griffes (1), qui peut être insérée dans une foule et peut être extraite de la foule, et qui est guidée à l'intérieur de la foule à l'aide d'organes de guidage mobiles (12), qui peuvent pénétrer dans la foule et sortir de la foule, une pièce de guidage (13) étant prévue dans la zone de la griffe (2, 3), pièce de guidage qui élargit la bande à griffes (1) au moins sur une face, où les organes de guidage (12), qui comportent des guides affectés à la bande à griffes (1) et à la pièce de guidage (13), sont disposés en rangée les uns derrière les autres, caractérisée en ce que ces organes de guidage comportent chacun au moins deux guides, dont un guide (37) est affecté à la face supérieure (35,34) de la bande à griffes (1) et un guide (38, 32) est affecté à la face inférieure (36) de la bande à griffes (1) ; qu'au moins l'un de ces guides est affecté tant à la bande à griffes (1) qu'à la pièce de guidage (13) ; et que la pièce de guidage (13) comporte des surfaces de guidage opposées l'une à l'autre, qui avec les guides (31, 33) des organes de guidage (12) forment un guide latéral pour la pièce de guidage (13).
  2. Machine à tisser à griffes selon la revendication 1, caractérisée en ce que la distance réciproque entre les organes de guidage mobiles (12) dans la direction longitudinale de la bande à griffes (1) est adaptée à la longueur de la pièce de guidage (13) de façon qu'au moins deux organes de guidage (12) entrent simultanément en prise avec la pièce de guidage (13).
  3. Machine à tisser à griffes selon la revendication 1 ou 2, caractérisée en ce que des organes de guidage fixes (11) sont disposés à l'extérieur de la foule (14), organes de guidage qui guident la bande à griffes (1) transversalement et perpendiculairement à ses faces planes, et qui comportent des renfoncements qui présentent une certaine distance avec les surfaces de guidage de la pièce de guidage (13).
  4. Machine à tisser à griffes selon la revendication 3, caractérisée en ce que les organes de guidage fixes (11) et les organes de guidage mobiles (12) sont pourvus de guides dont chacun est affecté à des surfaces de guidage se trouvant en des points différents de la bande à griffes (1).
  5. Machine à tisser à griffes selon l'une des revendications 1 à 4, caractérisée en ce que les organes de guidage mobiles (12) contiennent des éléments en forme de crochets, qui recouvrent la face supérieure de la pièce de guidage (13) et de la bande à griffes (1).
  6. Machine à tisser à griffes selon la revendication 5, caractérisée en ce que les organes de guidage en forme de crochets sont rapportés au profil de battant (18), dont la face supérieure forme un chemin de guidage pour la bande à griffes (1) et/ou la pièce de guidage (13).
  7. Machine à tisser à griffes selon l'une des revendications 1 à 6, caractérisée en ce que les organes de guidage mobiles (12) sont pourvus de guides séparés les uns des autres, qui sont affectés d'une part à la face inférieure de la bande à griffes (1) et d'autre part à la face inférieure de la pièce de guidage (13).
  8. Machine à tisser à griffes selon l'une des revendications 1 à 7, caractérisée en ce que la pièce de guidage (13) comporte un corps de guidage en forme de baguette, qui dépasse de la bande à griffes (1) de telle sorte qu'il présente quatre surfaces de guidage, courant parallèlement et deux par deux l'une par rapport à l'autre, dont chacune est affectée à des guides des organes de guidage mobiles (12).
  9. Machine à tisser à griffes selon la revendication 8, caractérisée en ce que la pièce de guidage (13) est pourvue latéralement, à côté de la bande à griffes (1), d'un renfoncement dans lequel pénètre un épaulement de guidage de l'organe de guidage fixe (11), qui forme un guide (30) pour une surface latérale (26) de la bande à griffes (1).
  10. Machine à tisser à griffes selon l'une des revendications 1 à 9, caractérisée en ce qu'un bord latéral de la bande à griffes (1) est bordé de guides (27, 28, 29) rapportés en forme de C des organes de guidage fixes (11).
  11. Machine à tisser à griffes selon l'une des revendications 1 à 10, caractérisée en ce que la pièce de guidage (13) dépasse de la bande à griffes (1) des deux côtés, et est latéralement guidée entre les organes de guidage mobiles (12) et un peigne (9).
  12. Machine à tisser à griffes selon l'une des revendications 1 à 11, caractérisée en ce que la pièce de guidage (13) est, avec un épaulement, insérée dans un renfoncement de la bande à griffes (1), qui se trouve à l'extérieur de la zone des surfaces de guidage (25, 29) affectées aux organes de guidage fixes (11).
  13. Machine à tisser à griffes selon l'une des revendications 1 à 12, caractérisée en ce que la bande à griffes (1) comporte un bord ininterrompu sur la face dirigée vers le peigne (9).
EP93108930A 1992-07-03 1993-06-03 Métier à tisser à griffes Expired - Lifetime EP0576854B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE9200619A BE1006072A3 (nl) 1992-07-03 1992-07-03 Inrichting voor het geleiden van een grijper en een grijperband.
BE9300369 1993-04-15
BE9300369A BE1007003A3 (nl) 1993-04-15 1993-04-15 Weefmachine voorzien van een lans en geleidingsmiddelen.
BE9200619 1993-04-15

Publications (2)

Publication Number Publication Date
EP0576854A1 EP0576854A1 (fr) 1994-01-05
EP0576854B1 true EP0576854B1 (fr) 1999-09-08

Family

ID=25662637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108930A Expired - Lifetime EP0576854B1 (fr) 1992-07-03 1993-06-03 Métier à tisser à griffes

Country Status (3)

Country Link
EP (1) EP0576854B1 (fr)
JP (1) JP3796268B2 (fr)
DE (1) DE59309766D1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007003A3 (nl) * 1993-04-15 1995-02-14 Picanol Nv Weefmachine voorzien van een lans en geleidingsmiddelen.
IT1272408B (it) † 1993-05-05 1997-06-23 Vamatex Nuova Spa Nastro portapinza per telai di tessitura
BE1009098A3 (nl) * 1995-02-07 1996-11-05 Picanol Nv Grijperweefmachine met geleidingsmiddelen.
DE19713628A1 (de) * 1997-04-02 1998-10-08 Picanol Nv Greiferwebmaschine
DE19838477A1 (de) * 1998-08-25 2000-03-02 Picanol Nv Greiferbandwebmaschine
WO2000011249A1 (fr) * 1998-08-25 2000-03-02 Picanol N.V. Metier a tisser a pinces comportant au moins une bande a pinces et des moyens de guidage
DE10346225A1 (de) * 2003-09-23 2005-05-19 Picanol N.V. Führungselement für ein Greiferband
DE102004049256B4 (de) 2004-10-05 2014-01-02 Picanol Führungselemente für ein Greifertransportelement einer Webmaschine
BE1017654A5 (nl) * 2007-06-21 2009-03-03 Picanol Nv Draagelement voor een grijper van een grijperweefmachine.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES400984A1 (es) * 1972-03-04 1975-02-01 Desveus Duran Perfeccionamientos en la construccion de maquinas de tejer sin lanzadera.
DD225863A3 (de) * 1983-09-27 1985-08-07 Textimaforschung Malimo Veb Schussfadeneintragsvorrichtung
BE900044A (nl) * 1984-06-29 1985-01-02 Picanol Nv Verbeterde langsgeleiding voor grijperweefgetouwen.
IT1198246B (it) * 1986-12-23 1988-12-21 Vamatex Spa Mezzi per guidare il moto di una coppia di pinze portatrama all'interno del passo di telai di tessitura
IT1227335B (it) * 1988-09-08 1991-04-08 Vamatex Spa Mezzi per guidare il moto di pinze di alimentazione della trama all'interno del passo di telai di tessitura senza navette
BE1004305A3 (nl) * 1989-07-06 1992-10-27 Picanol Nv Grijperweefmachine met lansgeleiding.

Also Published As

Publication number Publication date
EP0576854A1 (fr) 1994-01-05
DE59309766D1 (de) 1999-10-14
JP3796268B2 (ja) 2006-07-12
JPH06257033A (ja) 1994-09-13

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