EP0421370B1 - Palonnier pour machine Jacquard - Google Patents

Palonnier pour machine Jacquard Download PDF

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Publication number
EP0421370B1
EP0421370B1 EP19900118907 EP90118907A EP0421370B1 EP 0421370 B1 EP0421370 B1 EP 0421370B1 EP 19900118907 EP19900118907 EP 19900118907 EP 90118907 A EP90118907 A EP 90118907A EP 0421370 B1 EP0421370 B1 EP 0421370B1
Authority
EP
European Patent Office
Prior art keywords
double roller
element according
roller element
guide
parts
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
EP19900118907
Other languages
German (de)
English (en)
Other versions
EP0421370A1 (fr
Inventor
Josef Dietmayer
Walter Keim
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.)
Grosse Webereimaschinen GmbH
Original Assignee
Grosse Webereimaschinen GmbH
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
Priority claimed from DE4000458A external-priority patent/DE4000458C2/de
Application filed by Grosse Webereimaschinen GmbH filed Critical Grosse Webereimaschinen GmbH
Priority to AT90118907T priority Critical patent/ATE104372T1/de
Publication of EP0421370A1 publication Critical patent/EP0421370A1/fr
Application granted granted Critical
Publication of EP0421370B1 publication Critical patent/EP0421370B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types
    • D03C3/42—Arrangements of lifting-cords
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D03C3/24—Features common to jacquards of different types

Definitions

  • the invention relates to a double roller element for a jacquard machine according to the preamble of claim 1.
  • Jacquard weaving systems generally consist of a jacquard machine, a harness and a weaving machine, which mostly come from different manufacturers. For this reason, it is desirable to be able to combine these components in the weaving mill, ie the operator, as rationally as possible to form a weaving system.
  • Double roller elements are increasingly used in jacquard weaving systems, in which two movable sinkers are connected to each other in the jacquard machine by means of suitable pulling elements or cords via a roller element and, depending on the control, are raised or lowered accordingly or are held in a lowered or raised position and thus an open subject -Working method or with other systems allow a so-called triple position working method.
  • the control can be carried out according to the prior art in different ways, such as mechanically or electromechanically, with the help of jacquard cards, punched tape or fully electronic with the help of data processing systems or with the help of magnetic tapes or the like.
  • the double roller element is characterized in that it In addition to the first-mentioned deflection roller, it has a further deflection roller, which is used to actuate and produce the stroke of a warp thread over a sock, the socks being guided over this second deflection roller, connected at one end to a harness guide floor (or sock bottom) or a fixed bearing and on the other end is connected to a strand by a harness cord.
  • the stroke that can be achieved in this way corresponds to that of the movable boards.
  • Double roller elements with a simplified structure or with a construction that enables simple assembly are known, for example, from DE-AS 11 19 188 and EP-A1-0 214 074.
  • a construction that simplifies the assembly of such double roller elements is known from DE-PS 29 39 714 .
  • the element supporting the deflection pulleys, or support element for short is constructed there from two parts which can be plugged together rotated through 180 ° in the axial direction of the deflection pulleys, namely the respective side elements are designed separately from one another and carry a bearing element with a through opening for receiving one of the deflection pulleys and a push-through element with a bead.
  • the support element is therefore divided in a plane running perpendicular to the axis of rotation of the deflecting rollers and passing through the deflecting rollers, the connecting elements protruding in the direction of the axes of the deflecting rollers. Put together, however, a closed unit is formed.
  • these double roller elements are inevitably already mounted on or in the jacquard machine, that is to say they are connected to the circuit board by means of the braid via the upper deflection roller, in some cases with strings that have already been drawn in, that is to say guided over the other, lower deflection roller.
  • the harness on the other hand is mostly used in the prefabricated state and must therefore be connected to the respective jacquard machine during assembly.
  • the free ends of the hosiery must be connected to the harness cords, the free ends of the harness cords generally having to be secured against slipping through the harness guide or hosiery base by means of additional suitable means. These must then be removed again during assembly.
  • the invention is based on the fundamental finding that the simplified assembly can be achieved in that in the manufacture of the harness on the one hand and the jacquard machine on the other hand a part carrying a deflection roller must be able to be mounted independently and the two parts can then be connected to one another as simply as possible, to achieve the rigid unit required in the direction of movement of the working stroke.
  • the invention therefore allows both systems, namely harness and jacquard machine, to be quickly and safely connected to one another when the system is being assembled and assembled.
  • the separation can also be carried out very easily in the same way if the connecting device is designed accordingly, e.g. as a snap connector.
  • both are particularly advantageous Parts of the double roller element are of identical design, which simplifies storage, saves expensive tool costs and simplifies handling, especially if the two coupled parts form a stable unit and, even with the very limited visibility and space, is simple, even with one hand, dome and are uncouplable.
  • a very stable unit can be formed, the movements of which are caused by the control in the jacquard machine without having an adverse effect on the corresponding movements of other, adjacent double roller elements.
  • Usual jacquard weaving systems essentially consist of the components jacquard machine 1, harness 2 and weaving machine 3. These known components are shown schematically in FIG. 1.
  • the sinkers 4 and 5 are indicated in the jacquard machine 1, which have an over a part 7a of a double roller element 7 running strand 6 are interconnected.
  • the entire control device in the jacquard machine 1, with the aid of which the lifting and lowering of the sinkers 4 and 5 is effected and also their controlled holding in an upper position or a lower position is ensured, is not shown. Devices with which this can be achieved are common in various embodiments. The formation of such devices is also not essential for the present invention.
  • the lower end position of the boards 4 and 5 can also be defined in a different manner than by placing them on a board bottom through which the corresponding ends of the strand 6 are guided. For this reason, the base of the board is not provided with a reference number.
  • a hosiery 8 is fixed at one end 8a to a fixed hosiery and armor guide, often also called hosiery base 9, or to another stationary bearing.
  • the sock 8 runs over a second part 7b of the double roller element 7.
  • the other end 8b of the sock 8 is connected to a harness cord 10 which is guided through the sock bottom 9 and also extends over a fixed choir board 11.
  • the harness cord 10 is connected to a strand 12 which contains an eyelet 12a through which a warp thread 14 runs.
  • the warp thread 14 is brought into a high or low position in accordance with the control of the sinkers 4 and 5 in the assembled state of the weaving machine according to the corresponding predetermined jacquard pattern or is held there.
  • a harness pull 13 is connected to the strand 12 on the lower side of the eyelet 12a and applies the necessary restoring force for the entire system, that is, the force which ensures that the warp thread 14 with appropriate control of the sinkers 4 and 5 again from the high position can return to the low position (in the illustration according to FIG. 1).
  • the components jacquard machine 1, harness 2 and weaving machine 3 usually come from different manufacturing companies and have to be put together to form the weaving system. Functional tests of the jacquard machine preceding the assembly are not only customary but also necessary and are carried out by the jacquard machine manufacturer on so-called "test floors", the harness 2 and the harness pull-down 13 being simulated.
  • the corresponding parts 7b of the double roller element 7 are not only firmly attached to the harness 2 but also to its simulation device and can also be used in the functional test.
  • the double roller element 7 consists of the first part 7a and the second part 7b, which are particularly advantageously of identical design, and are designed such that they can be positively coupled with one another to form the double roller element 7 and, conversely, can be uncoupled again.
  • Each part 7a has a deflection roller 15a arranged on a bearing 16a, over which the respective strand 6 is guided.
  • the bearing 16a is in the side parts 17a and 18a (cf. Fig. 4) used, such that the guide roller 15a is rotatably mounted in the part 7a.
  • a catch 19a with a locking hook 20a which springs back towards a narrow side, an approximately central guide 21a and an element which respectively receives the catch 19b and the guide 21b of the other part 7b with an opening 22a and a lock 23a.
  • a recessed grip 24a is also provided in the narrow side assigned to them.
  • a guide bevel 28a and in particular a taper 30a near the base or base of the catch 19a on the part 7a facilitates the insertion and the deflection of the catch 19a into the associated opening 22b and the resilient return to the outside behind the associated locking device 23b in the region of the recessed grip 24b. This creates a positive connection.
  • the guides 21a and 21b are designed in such a way that, in the coupled state, the sides facing one another and parallel to the narrow sides abut one another.
  • corresponding mutually facing guide bevels 27a and 27b are advantageous.
  • no essential requirements have to be made of the side walls 25a and 26a. It is advantageous if these are direct extensions of the side parts 18a and 17a of the double roller element part 7a in which the deflection roller 15a is mounted.
  • the side walls 25a and 26a are in the section in which the catch 19a is provided, and are expediently designed as parts defining the opening 22a or the recessed grip 24a on the other narrow side.
  • a substantially diagonal course is provided between the base point of the catch 19a and the outer point of the opening 22a, with sections 32a, 33a or 32b, 33b running in the coupling direction near the center being able to support the effect of the guides 21a, 21b, as is the case 3 results.
  • Each double roller element part 7a, 7b preferably consists of a plastic injection-molded part, it being possible to take into account the simplification of the material selection that only a very small number of uncoupling processes can occur.
  • the identical design of the two parts 7a, 7b is particularly advantageous, but the invention can also be achieved by a simple snap connection in a manner known per se, in which one element is designed as an essentially sleeve-like part having the locking device, while the other element than that Snap is formed with the locking hook part.
  • Such snap connections can also be designed so that two catches or two catches are provided. Snap connections of this type are known per se in a completely different field, namely when connecting belt straps.
  • FIGS. 6 to 8 Another simple double roller element according to the invention is shown in FIGS. 6 to 8 in a manner corresponding to FIGS. 3 to 5. Parts identical to the exemplary embodiment already explained are marked with an additional line and therefore do not require any further explanation. Furthermore, an identical design of the two parts 7a ', 7b' is also provided in the exemplary embodiment according to FIGS. 6 to 8, however, as in the other exemplary embodiment, this is not absolutely necessary, but is of considerable manufacturing technology advantage.
  • the links of the connecting device in the exemplary embodiment according to FIGS. 6 to 8 are formed by hook elements 32a and 32b. These have a vertical section 33a, 33b projecting from the end of the part 7a ', 7b' facing away from the deflection roller 15a ', 15b', an adjoining horizontal section 34a, 34b and extending in the plane of the part 7a ', 7b' a section 35a or 35b vertically recessed beyond the plane of symmetry 31 '.
  • the dimensions are such that the two hook elements 32a, 32b engage in one another in the assembled state and thus achieve a positive and non-positive connection in the direction of the working stroke, that is to say in the pulling direction of the strand 6 'on the one hand or the strands 8' on the other hand.
  • Stabilization can also be achieved in that grooves and projections are provided, such as the groove 38a in the horizontal section 34a and the projection 39a at the front end of the vertical section 35a, which then engage with the corresponding grooves or projections of the other part 7b ' are feasible. Similar guide grooves or guide projections can also be provided in the vertically extending sides of the first vertical section 33a and the second vertical section 35a of one part 7a 'and the corresponding sides of the two sections 33b, 35b of the other part 7b'.
  • the double roller element 7 is therefore easy to handle and greatly facilitates assembly.
  • the width of the narrow sides is essentially due to the space requirement of the deflection roller with associated bearing, the width of the side walls is also due to the space requirement of the deflection rollers plus the inserted strand or strands and a safety surcharge.
  • the mounting of the bearing 16, 16b; 16a ', 16b' with the respective rotatable deflection roller 15a, 15b or 15a ', 15b' in the associated side parts can also be carried out in a different way, for example also as described in EP-A1-0 214 074. It is only essential in the context of the present invention that the rotatable mounting is ensured.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (12)

  1. Elément à poulies doubles pour une machine Jacquard, avec un élément porteur (7) formé de deux parties (7a, 7b; 7a', 7b') reliées l'une à l'autre au moyen d'un dispositif de jonction et avec deux poulies de renvoi (15a, 15b; 15a', 15b') montées dans l'élément porteur, chaque partie (7a, 7b; 7a', 7b') présentant respectivement à une de ses extrémités une des poulies de renvoi (15a, 15b; 15a', 15b') y compris ses paliers (16a, 16b; 16a', 16b'),
    caractérisé en ce que, à partir de son autre extrémité s'étend respectivement un organe (19a - 30a, 19b - 30b; 32a - 39a, 32b - 37b) du dispositif de jonction dans un plan traversé perpendiculairement par l'axe de la poulie (15a, 15b; 15a', 15b') respective, les deux organes (19a - 30a, 19b - 30b; 32a - 39a, 32b - 37b) du dispositif pouvant être joints l'un à l'autre dans ce plan de telle manière que, quand une traction s'exerce dans ce plan, il est obtenu dans ce plan une unité jointe par complémentarité des formes, et capable de transmettre la force.
  2. Elément à poulies doubles selon la revendication 1, caractérisé en ce que les organes du dispositif de jonction sont constitués par des éléments à crochet (32a, 32b) qui s'engagent l'un dans l'autre, dans l'état de jonction.
  3. Elément à poulies doubles selon la revendication 1 ou 2, caractérisé en ce que les deux parties (7a', 7b') de l'élément porteur sont identiques.
  4. Elément à poulies doubles selon la revendication 2 ou 3, caractérisé en ce que chaque partie (7a', 7b') présente dans la zone du dispositif de jonction des parois de guidage (36a, 37a; 36b, 37b) entre lesquelles peut être introduit l'élément à crochet (32b, 32a) de l'autre partie (7a', 7b') en y étant soutenu dans l'état de jonction.
  5. Elément à poulies doubles selon une des revendications 2 à 4, caractérisé en ce que chaque élément à crochet (32a, 32b) présente dans ledit plan des rainures de guidage (38a) et des saillants de guidage (39a) qui s'engagent l'un dans l'autre dans l'état de jonction.
  6. Elément à poulies doubles selon la revendication 1, caractérisé en ce que le dispositif de jonction est constitué par une liaison par enfichage à déclic (19a - 23a, 19b - 23b).
  7. Elément à poulies doubles selon la revendication 6, caractérisé en ce que les deux parties (7a, 7b) de l'élément porteur (7) sont identiques et présentent aussi bien un loqueteau à déclic (19a, 19b) flexible élastiquement, avec un organe à crochet (20a, 20b), qu'aussi bien un organe d'arrêt (23a, 23b) pour recevoir, en prise par l'arrière, l'organe à crochet (20a, 20b) du loqueteau à déclic (19a, 19b) de l'autre partie (7b, 7a) respective.
  8. Elément à poulies doubles selon une des revendications 6 ou 7, caractérisé en ce que chaque partie (7a, 7b) présente dans la zone du dispositif de jonction un élément de guidage (21a, 21b) pouvant être introduit entre les parois latérales (25a, 26a; 25b, 26b) de l'autre partie (7b, 7a) respective, ces parois s'étendant dans un plan perpendiculaire à l'axe de la poulie (15a, 15b) respective.
  9. Elément à poulies doubles selon la revendication 8, caractérisé en ce que l'élément de guidage (21a, 21b) d'une partie (7a, 7b) s'ajuste à l'élément de guidage (21b, 21a) de l'autre partie (7b, 7a) dans un plan passant par les axes des poulies (15a, 15b) quand les deux parties (7a, 7b) sont dans leur état de jonction.
  10. Elément à poulies doubles selon une des revendications 6 à 9, caractérisé en ce que le loqueteau à déclic (19a, 19b) flexible élastiquement est prévu dans la zone des côtés étroits de la partie (7a, 7b) respective et peut être écarté en fléchissant élastiquement en direction de l'autre côté étroit, et l'autre partie (7b, 7a) respective présente dans la zone de l'autre côté étroit une cuvette de préhension (24b, 24a) permettant l'accès à un loqueteau à déclic (19a, 19b) enclenché quand les parties (7a, 7b) sont jointes l'une à l'autre, dans le but de rompre la liaison.
  11. Elément à poulies doubles selon la revendication 9 et/ou 10, caractérisé par des portées obliques de guidage (27a, 27b; 28a, 28b) sur le loqueteau à déclic (19a, 19b) et/ou sur l'élément de guidage(21a, 21b).
  12. Elément à poulies doubles selon une des revendications 1 à 11, caractérisé en ce que chaque partie (7a, 7b; 7a', 7b') est une pièce en matière plastique moulée par injection.
EP19900118907 1989-10-03 1990-10-03 Palonnier pour machine Jacquard Expired - Lifetime EP0421370B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90118907T ATE104372T1 (de) 1989-10-03 1990-10-03 Doppelrollenelement fuer jacquardmaschine.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3932994 1989-10-03
DE3932994 1989-10-03
DE4000458A DE4000458C2 (de) 1989-10-03 1990-01-09 Doppelrollenelement für Jacquardmaschine
DE4000458 1990-01-09

Publications (2)

Publication Number Publication Date
EP0421370A1 EP0421370A1 (fr) 1991-04-10
EP0421370B1 true EP0421370B1 (fr) 1994-04-13

Family

ID=25885783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900118907 Expired - Lifetime EP0421370B1 (fr) 1989-10-03 1990-10-03 Palonnier pour machine Jacquard

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EP (1) EP0421370B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1004692A4 (nl) * 1991-03-06 1993-01-12 Wiele Michel Van De Nv Takelinrichting voor bewegingsversterking bij de heffing van de kettingdraden, in een opengaap jacquardmachine.
KR100427017B1 (ko) * 1995-09-21 2004-07-19 텍스틸마 악티엔게젤샤프트 직기에서경사의횡방향진동움직임을선택적으로제어하기위한장치
DE19839319C2 (de) * 1998-08-28 2001-05-17 Inst Textil & Faserforschung Kupplungsvorrichtung
US6216749B1 (en) 1999-12-10 2001-04-17 Wis Seaming Equipment, Inc. Weaving device
US6216748B1 (en) 1999-12-10 2001-04-17 Wis Seaming Equipment, Inc. Pivoting magnet latches for improved weaving device
US6336477B1 (en) 1999-12-10 2002-01-08 Wis Seaming Frame modules for improved weaving device
US6318415B1 (en) 1999-12-10 2001-11-20 Wis Seaming Equipment Inc. Quick release coupling/pulley assembly for improved weaving device
BE1014814A5 (nl) * 2002-05-06 2004-04-06 Wiele Michel Van De Nv Verbindingsmidelen voor het losneembaar verbinden van koorden van een jacquardmachine.
BE1015529A3 (nl) * 2003-05-20 2005-05-03 Wiele Michel Van De Nv Inrichting voor het bevestigen en geleiden van een of meerdere takelkoorden in een jacquardmachine.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT217387B (de) * 1959-05-15 1961-09-25 Rueti Ag Maschf Doppelrollenelement für Jacquard-Maschinen
CH588581A5 (fr) * 1975-02-07 1977-06-15 Sulzer Ag
DE2939714C2 (de) * 1979-09-29 1981-06-04 Maschinenfabrik Carl Zangs Ag, 4150 Krefeld Doppelrollenelement für Jacquardmaschinen
FR2586431B1 (fr) * 1985-08-23 1987-11-13 Staubli Verdol Palonnier pour dispositif de formation de la foule dans un metier a tisser

Also Published As

Publication number Publication date
EP0421370A1 (fr) 1991-04-10

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