EP1299586B1 - Dispositif pour former un tissu de gaze - Google Patents

Dispositif pour former un tissu de gaze Download PDF

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Publication number
EP1299586B1
EP1299586B1 EP01949471A EP01949471A EP1299586B1 EP 1299586 B1 EP1299586 B1 EP 1299586B1 EP 01949471 A EP01949471 A EP 01949471A EP 01949471 A EP01949471 A EP 01949471A EP 1299586 B1 EP1299586 B1 EP 1299586B1
Authority
EP
European Patent Office
Prior art keywords
needles
warp
warp threads
guide
drive
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
EP01949471A
Other languages
German (de)
English (en)
Other versions
EP1299586A1 (fr
Inventor
Johan Pannekoucke
Bernard Vancayzeele
Geert Geerardyn
Norbert Hollevoet
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
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP1299586A1 publication Critical patent/EP1299586A1/fr
Application granted granted Critical
Publication of EP1299586B1 publication Critical patent/EP1299586B1/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
    • D03C7/00—Leno or similar shedding mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/06—Mechanisms having eyed needles for moving warp threads from side to side of other warp threads

Definitions

  • the invention relates to a device for forming a leno fabric according to the preamble of claim 1.
  • the invention has for its object to provide a device of the type mentioned, in the high weaving speeds can be achieved without the risk of errors due to vibrations.
  • the needles are directed from top to bottom and serve to receive the warp threads of a warp thread forming the underside of a shed.
  • the drives, in particular for the up and down movement of the movable element can be arranged below, i. in a position in which usually the drives of WebMften are arranged. This makes it possible to drive the element by means of a drive similar to a drive for heddle shafts drive.
  • a drive is provided with its own drive motor for carrying out the transverse movements. This gives the possibility to change the leno bindings without great effort on settings of a machine. Moreover, it is possible to perform by means of such a drive motor, the movements of the provided with the plurality of guide eyes element at times in which the guided therein warp threads do not abut the stationary arranged needles. This will reduce the risk of Stimulation of the needles reduced to vibrations. In addition, the risk of wear of the needles is reduced.
  • the drive is designed as a preferably adjustable eccentric drive. This makes it possible to adjust the relative positions of the needles and the guide eyes of the element to each other.
  • Fig. 1 Device according to the invention shown as part of a loom has a plurality of needles 1, which are arranged distributed uniformly over the width of the weaving machine.
  • a group of needles 1 is mounted in a holder 2.
  • the holder 2 are interchangeable mounted one behind the other on a support plate 3, which is fastened by means of screws 4 to a crossbar 5.
  • the crossbar 5 extends over the entire width of the loom and is mounted by means of brackets 6 on the side frame of the loom, not shown.
  • the height position of the needles can be adjusted by means of adjusting screws 7, which are attached to an angled edge of the support plate 3 and supported on the crossbar 5. By means of these adjusting screws, the position can be changed, in which the support plate 3 is fixed by means of the screws 4 to the crossbar 5.
  • the loom is provided with a further transverse bar 8, which also extends over the entire width of the loom and which is attached to the side frame of the loom. Between the carrier plate 3 and the second cross bar 8 are at regular intervals from each other supports 9 mounted to limit deformation of the support plate 3, and the crossbar 5 and 8.
  • holders 10 are fixed to the support plate, for example with screws, not shown, which are screwed through the holder 2 into the support plate 3.
  • a deflection bar 11 which deflects the warp threads, which are guided by the guide eyes of the needles.
  • the deflecting rod 11 is fastened by means of a clamping holder 12 in a defined axial position on the support plate 3.
  • a strip-like element 13 which has a plurality of guide eyes 14 for warp threads.
  • This element 13 extends substantially over the entire width of the loom.
  • the distance between the guide eyes 14 of the element 13 corresponds to the distance between the needles 1, ie the guide eyes of the needles 1.
  • the element 13 is fixedly arranged in a frame 15 which has two side parts 16 which extend over the element 13 and one larger Cross-section having transverse strut 17 are connected.
  • the side members 16 are guided in guides 18 so that the frame 15 can be reciprocated in a plane up and down and laterally directed substantially perpendicular to the warp threads.
  • the frame 15 is connected in the region of the side parts 16 by means of a hinge 19, connecting rods 20, 21 and a lever 22 with a drive, not shown, for raising and lowering the frame 15.
  • the levers 22 of both sides are mounted in a known manner on cross members 23 of the loom.
  • the drive can correspond to a common drive for frames of heald frames.
  • Such a drive includes, for example, a cam system including the frame 15 between two consecutive entries of Weft threads from the top position over the lowest position back to the top position can bring.
  • the cam system can be designed so that the upward movement and the downward movement are each effected via their own cam.
  • the element 13 can be moved in a direction substantially perpendicular to the warp threads extending and determined by the guides 18 level in the direction S upwards and downwards.
  • the element 13 is reciprocated by means of a drive, in the embodiment by means of an eccentric drive, parallel to the row of needles 1.
  • a connecting rod 24 is hinged to the transverse strut 17 of the frame 15, which is driven via an eccentric 25 of the drive shaft 27 of a controllable drive motor 28 to reciprocate the element 13 in the direction of the arrow L.
  • the drive motor 28 is fixed to the crossbar 8 in the embodiment. For example, it is a controllable, switchable reluctance motor.
  • the eccentric 25 is fastened by means of screws 26 on a disc 33 which is rotatably mounted on the drive shaft 27.
  • the eccentric 25 can be moved in loosened screws in slots 29 of the disc 33 and fixed by tightening the screws 26 in a predetermined radial position on the disc 33.
  • the connecting rod consists of two parts 24A and 24B, which can be connected by means of screws 30 and slots 31 in different axial positions with each other, so that the length of the connecting rod 24 can be adjusted.
  • the connecting rod 24 is connected by means of a hinge 32 with the transverse strut 17.
  • the transverse strut 17 is guided by means of a plurality of distributed over its length arranged guides 34, 35, which are attached to the supports 9 and prevent the transverse strut 17 from bending in the direction of the warp threads.
  • the drive shaft 27 and the connecting rod 24 are nearly in a horizontal plane 36 when the element is between its uppermost and lowermost positions.
  • the connecting rod then runs substantially parallel to the transverse strut 17. In the lowermost position of the element 13 are guided by this warp threads below the needles 1 and therefore are not on the stationary needles 1 on.
  • a warp sheet 37 is guided by the guide eyes 14 of the element 13.
  • the other Kettfadenschar 38 passes over the deflection bar 11 to the guide eyes 39 of the needles 1.
  • the warp threads of Kettfadenscharen 37, 38 are guided by a warp beam, not shown, for example via a spring-mounted coating tree to the device according to the invention. If appropriate, means for compensating the changes in tension in the warp threads of the warp thread sheets 37, 38 can also be arranged between the coating frame and the device according to the invention.
  • a warp thread of Kettfadenschar 37 and a warp thread of Kettfadenschar 38 between two teeth 40 of a reed 41 are each performed. These warp threads, which are guided between two reed teeth 40, should together form a leno weave. This results in a leno fabric 42 when weft threads 43 are introduced accordingly.
  • the reed 41 is mounted on a sley 44.
  • the warp sheets 37 and 38 form a shed 45, wherein the lower Kettfadenschar 38 of the shed 45 is formed by the warp threads, which are guided by the stationary arranged needles 1.
  • the Upper warp sheet 37 is formed by the warp threads which are guided by the element 13.
  • the element 13 moves downwards.
  • the element 13 with the warp threads of the warp sheet 37 can be moved laterally by means of the drive motor 28 in the direction of the needles 1, as shown in FIG Fig. 7 and 8th is shown.
  • Moving to the position after Fig. 9 and 10 can by a further lateral movement of the element 13, as shown in Fig. 11 is shown, be achieved that the warp threads of the warp sheet 37 are brought to the other side of the respective needle 1.
  • warp threads of the warp sheet 37 in the lowest position of the element 13 can be brought to the desired side of the needles 1 in order to obtain the corresponding leno weave.
  • a leno fabric 42 in which the element 13 is laterally moved in one direction or the other during each entry and in which the element 13 makes an up and down movement between each entry, since in this case a well-bound leno fabric 42 is obtained.
  • a leno fabric 42 is particularly suitable for use as a carpet backing.
  • This also provides the advantage that the drive motor 28 can rotate in one direction at a nearly constant speed. The speed is synchronous to the weaving machine speed at half the average speed. The speed of the drive motor 28 need not be absolutely synchronous with the continuously variable speed of the loom. It only has to run on average synchronously with the weaving machine speed.
  • the drive motor 28 must be driven in such a way that the warp threads of the warp sheet 37 guided by the element 13 are positioned on the desired side of the needles at which the warp threads are passing the needles 1 as they move upwards.
  • the element can be practically in any lateral position between the above two times. However, it is preferred that the element 13 between the two aforementioned times is in a position in which the warp threads are preferably not applied to the needles 1, to wear the warp threads and the needles 1 due to the friction of the warp threads on the needles. 1 to limit.
  • This variable speed can be adjusted so that the element 13 is substantially in the lateral direction moved at a time when this element 13 is located substantially in the lowest height position below the needles 1.
  • Fig. 14 is the transversely and parallel to the stationary needles 1 movable element divided into two elements 47 and 48.
  • the element 47 is provided with parallel to the needles 1 extending guide slots 46. It is reciprocated by means of a mounted on the support plate 3 drive motor 28 and an eccentric drive by means of a connecting rod transversely to the needles 1 in the direction of the arrow L.
  • the running through the guide slots 46 warp threads are also guided in a transverse slot 49 of the element 48, which is guided by means of side members and a cross strut 50 in guides 18 and driven to move parallel to the needles 1 in the direction of arrow S.
  • the slot guides 46 and the slot 49 form guide eyes for the warp threads of the warp sheet 37, which are moved relative to the needles 1.
  • the element 47 is guided with bar-shaped projections 51 in guides 52 which are attached to the support plate 3.
  • Fig. 15 an embodiment is shown, with the exception of the drive of the transverse movement of the element 13 according to the embodiment Fig. 1 equivalent.
  • a controllable linear motor 53 is mounted, which drives an extendable piston 54 which is provided with a transversely directed pin 55.
  • the pin 55 engages in a running in the direction of the stroke movement slot 56 of a guide block 57 which is fixed to the side part 16 of the frame 15.
  • the drive motor 53 driven to a correspondingly adjusted speed profile, the frame 15 can be moved laterally relative to the needles in such a way that friction between the warp threads and the needles 1 only occurs to a limited extent.
  • the pin 55 slides in the slot 56th
  • the up and down movement of the frame 15 by means of its own motor for example a linear motor, are performed.
  • this movement is also possible to derive this movement from another shaft of the loom, for example from the store shaft.
  • the deflection bar 11 is resiliently resiliently held on the support plate 13.
  • the clamping element 12 and the holder 10 are movably guided in parallel to the needles 1 extending guides and suspended by springs 63 on a holding part 64 of the support plate 3. This makes it possible to limit changes in tension in the warp sheet 38.
  • the connecting rod 20 is not articulated by means of a rotary joint to the frame 15.
  • the connecting rod 20 is elastically deformable (bendable), so that a joint can be omitted. It is preferably provided that the connecting rod 20 has a defined bending point 61 in the form of a material weakening.
  • the connecting rod 20 is then connected in this embodiment with a holder 62 fixed to the frame 15.
  • the deflecting rod 11 is secured to the top of the frame 15.
  • individual thread guides are fastened to the top of the frame.
  • the element 13 or 47 is driven by the main drive of the loom.
  • a drive consists for example of a driven by a shaft of the loom cam, which is connected via connecting rods with the element 13 or 47.
  • the possibility of varying the leno bindings is limited.
  • the present invention has been illustrated by the example of an air jet loom, its application is not limited thereto. It is also readily usable in conjunction with other weaving machines, such as rapier looms, Greiferflexenwebmaschinen, water jet looms, projectile or other weaving machines. There is the advantage that the device according to the invention can be easily retrofitted to virtually any weaving machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Dowels (AREA)
  • Knitting Machines (AREA)

Claims (9)

  1. Dispositif pour la formation d'un tissu de gaze (42), comprenant une multiplicité d'aiguilles (1) stationnaires juxtaposées, qui sont prévues chaque fois d'un oeillet de guidage (39) pour des fils de chaîne d'une première nappe de fils de chaîne (38), et avec un élément mobile (13; 47, 48), qui comprend une multiplicité d'oeillets de guidage (14; 46, 49) pour des fils de chaîne d'une deuxième nappe de fils de chaine (37) et qui mouve les fils de chaîne de la deuxième nappe de fils de chaîne (37) dans la direction longitudinale aux aiguilles (1) de haut en bas et transversalement aux aiguilles (1), caractérisé en ce que les aiguilles (1) sont orientées de haut en bas et servent à prendre les fils de chaîne de la nappe de fils de chaîne qui forme le côté bas d'une foule (45), et en ce que l'élément (13; 47, 48) ayant les oeillets de guidage (14; 46, 49) pour la deuxième nappe de fils de chaîne (37) est guidé avec des guides (18, 34, 35; 18, 52) fixés stationnaire sur le bâti de la machine pour le mouvement de haut en bas et pour le mouvement transversal.
  2. Dispositif selon la revendication 1, caractérisé en ce que plusieurs guides (18, 35) posés d'une manière distribuée sur toute la largeur du dispositif sont prévus.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que chaque fois plusieurs aiguilles (1) sont fixées à un support (2), et en ce que les supports sont placés l'un derrière l'autre sur un élément de support (3).
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce qu'une commande est prévu d'un propre moteur de commande (28, 53) pour exécuter les mouvements transversaux.
  5. Dispositif selon la revendication 4, caractérisé en ce que la commande est formé comme une commande excentrique (24, 25) préférablement réglable.
  6. Dispositif selon la revendication 4, caractérisé en ce que la commande comprend un moteur linéaire (53).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que l'élément mobile comprend deux parties mobiles (47, 48) relativement l'une à l'égard de l'autre, dont une (47) est mobile transversalement à la direction longitudinale des aiguilles (1) et présente des rainures de guidage (46) s'étendant parallèle aux aiguilles (1), et dont l'autre (48) est mobile parallèle aux aiguilles (1) et est prévue d'une rainure de guidage (49) s'étendant transversalement, où les rainures de guidage s'étendant parallèle aux aiguilles (1) et la rainure de guidage (49) s'étendant transversalement forment des oeillets de guidage pour les fils de chaîne.
  8. Dispositif selon la revendication 7, caractérisé en ce que aux aiguilles une tige de courbure (11) est attribuée au côté qui face l'élément mobile pour les fils de chaîne s'étendant vers les aiguilles (1), qui est fixée de préférence dans une manière flexible élastiquement dans la direction vers les oeillets de guidage des aiguilles (1).
  9. Dispositif selon la revendication 8, caractérisé en ce que la tige de courbure (11) est montée sur l'élément de support (3) des supports (2) des aiguilles (1), où plusieurs éléments de support (10, 12) distribués sur la longueur de la tige de courbure (11) sont prévus.
EP01949471A 2000-07-12 2001-07-06 Dispositif pour former un tissu de gaze Expired - Lifetime EP1299586B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE200000443 2000-07-12
BE2000/0443A BE1013594A3 (nl) 2000-07-12 2000-07-12 Werkwijze en inrichting voor het vormen van een leno-weefsel bij een weefmachine.
PCT/EP2001/007761 WO2002004723A1 (fr) 2000-07-12 2001-07-06 Dispositif pour former un tissu de gaze

Publications (2)

Publication Number Publication Date
EP1299586A1 EP1299586A1 (fr) 2003-04-09
EP1299586B1 true EP1299586B1 (fr) 2010-02-10

Family

ID=3896598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01949471A Expired - Lifetime EP1299586B1 (fr) 2000-07-12 2001-07-06 Dispositif pour former un tissu de gaze

Country Status (9)

Country Link
US (1) US6957671B2 (fr)
EP (1) EP1299586B1 (fr)
CN (1) CN1273664C (fr)
AT (1) ATE457377T1 (fr)
AU (1) AU2001270617A1 (fr)
BE (1) BE1013594A3 (fr)
CZ (1) CZ303290B6 (fr)
DE (1) DE50115343D1 (fr)
WO (1) WO2002004723A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300042B6 (cs) * 2003-10-21 2009-01-14 Výzkumný Ústav Textilních Stroju Liberec A.S. Zarízení k ovládání osnovních nití na tkacím stroji pro výrobu perlinkových tkanin
DE102007042938A1 (de) 2007-08-31 2009-03-05 Picanol N.V. Vorrichtung zum Führen von Dreherfäden
DE102007043111A1 (de) 2007-08-31 2009-03-05 Picanol N.V. Rahmen mit Steherlamellen und Führungslamellen
CN101809211B (zh) * 2007-08-31 2012-06-13 必佳乐有限公司 用于引导纱罗线的装置
ATE483047T1 (de) * 2007-11-21 2010-10-15 Groz Beckert Kg Vorrichtung zum herstellen von drehergeweben
DE102010026609B3 (de) * 2010-07-09 2011-11-17 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Verfahren und Vorrichtung zur Webmusterbildung bei Geweben mit Zusatzschusseffekten
DE102010034969B3 (de) 2010-08-20 2011-11-03 Lindauer Dornier Gesellschaft Mit Beschränkter Haftung Webblatt und Webmaschine zur Webmusterbildung bei Geweben mit Zusatzmustereffekten
EP2530194B1 (fr) * 2011-06-01 2014-03-05 Groz-Beckert KG Dispositif à lisse pour gaze doté d'une transmission à levier et d'un élément de recouvrement
KR101131212B1 (ko) 2011-06-21 2012-04-02 김경순 직기의 경사 가이드 플레이트
BE1022146B1 (nl) * 2014-06-13 2016-02-19 Picanol Zelfkantvormingsinrichting voor een inslagdraad
CN105780240A (zh) * 2016-04-25 2016-07-20 镇江恒创纺织机械有限公司 纱罗综框系统
CN107829191A (zh) * 2017-12-26 2018-03-23 聊城由甲纺织机械有限公司 一种设有横向移动机构的织机综框
MA52684B1 (fr) * 2021-03-09 2022-12-30 Ecole Superieure Des Ind Du Textile Et De Lhabillement Esith Système à lame unique pour la réalisation d’un tissu à pas de gaze

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GB191020714A (en) * 1910-09-06 1911-06-01 Edward Hollingworth Improvements in or connected with Cross Cord or Leno Weave Mechanism for Looms.
US1543045A (en) * 1924-01-14 1925-06-23 Bachman John Snelgrow Leno loom
DE466340C (de) * 1925-05-14 1928-10-06 Grossenhainer Webstuhl Und Mas Vorrichtung zur Herstellung von Drehergeweben
US1776102A (en) * 1928-08-10 1930-09-16 John C Brooks Shedding mechanism for looms
DE646462C (de) 1935-05-21 1937-06-14 Bruno Gruenler Drehervorrichtung
FR1411838A (fr) * 1964-08-03 1965-09-24 Fatex Perfectionnements aux dispositifs pour la réalisation de lisières, notamment sur les métiers à tisser sans navette
US3463199A (en) * 1966-09-15 1969-08-26 Riegel Textile Corp Selvage-forming apparatus for double fabric looms
FR2174675A1 (en) * 1972-03-06 1973-10-19 Terhaerst Masch Loom for weaving gauze - having one heald frame movable laterally
CH579162A5 (en) * 1974-06-17 1976-08-31 Sulzer Ag Shedding arrangement for loom with needle rods - accurately guided auxiliary shaft prevents movements caused by deflection
US4429722A (en) * 1981-05-18 1984-02-07 Quaker Fabric Corp. Method and apparatus for weaving fabrics of novel construction
GB9120272D0 (en) * 1991-09-23 1991-11-06 Bonas Griffith Ltd A leno heald assembly
CZ242596A3 (cs) * 1996-08-16 1998-04-15 Vúts Liberec A.S. Zařízení k ovládání osnovních nití pro výrobu perlinkových tkanin na tkacím stroji
JP3856068B2 (ja) * 1998-11-16 2006-12-13 Ｙｋｋ株式会社 細幅クロッシェ編機における複合編針の作動機構
JP2001159046A (ja) * 1999-11-16 2001-06-12 Sulzer Textil Ag からみ織を製造するための装置
EP1101850A1 (fr) * 1999-11-16 2001-05-23 Sulzer Textil AG Dispositif de formation d'une armure de gaze
US6510871B2 (en) * 2001-03-05 2003-01-28 Sulzer Textil Ag Apparatus for the manufacture of leno fabrics
US6851456B2 (en) * 2001-07-18 2005-02-08 Sultzer Textil Ag Weaving machine for the manufacture of leno cloths

Also Published As

Publication number Publication date
CZ20024056A3 (cs) 2003-05-14
CZ303290B6 (cs) 2012-07-18
AU2001270617A1 (en) 2002-01-21
CN1273664C (zh) 2006-09-06
DE50115343D1 (de) 2010-03-25
BE1013594A3 (nl) 2002-04-02
EP1299586A1 (fr) 2003-04-09
US20030159746A1 (en) 2003-08-28
US6957671B2 (en) 2005-10-25
ATE457377T1 (de) 2010-02-15
CN1441865A (zh) 2003-09-10
WO2002004723A1 (fr) 2002-01-17

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