EP0888470B1 - Templet pour metier a tisser - Google Patents

Templet pour metier a tisser Download PDF

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Publication number
EP0888470B1
EP0888470B1 EP97947830A EP97947830A EP0888470B1 EP 0888470 B1 EP0888470 B1 EP 0888470B1 EP 97947830 A EP97947830 A EP 97947830A EP 97947830 A EP97947830 A EP 97947830A EP 0888470 B1 EP0888470 B1 EP 0888470B1
Authority
EP
European Patent Office
Prior art keywords
bar
working
rod
accordance
sliding
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
EP97947830A
Other languages
German (de)
English (en)
Other versions
EP0888470A1 (fr
Inventor
Klemens Wiemeler
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.)
Itema Switzerland Ltd
Original Assignee
Sulzer Textil AG
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 Sulzer Textil AG filed Critical Sulzer Textil AG
Publication of EP0888470A1 publication Critical patent/EP0888470A1/fr
Application granted granted Critical
Publication of EP0888470B1 publication Critical patent/EP0888470B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • D03J1/22—Temples
    • D03J1/223—Temples acting on the full width of cloth

Definitions

  • the present invention relates to a rod spreader for a weaving machine according to the preamble of Claim 1.
  • Such a rod spreader is known from documents DE 495 300 C, EP 0 557 724 A, EP 0 336 409 A, and FR 1 522 148 A are already known.
  • the purpose of the Rod spreader in the weaving machine consists of the in the woven fabric manufactured against the at Shooting weft threads across the To keep the warp direction constant.
  • the Weft the already woven fabric in a small amount Distance from weft insertion jammed.
  • This clamping is done by a tension under which the warp threads and the already woven fabric sheet is held.
  • This tensile force becomes that of the fabric web along two lines against a lower edge and an upper edge of the Longitudinal slot pressed in the rod carrier, which the Fabric web clamped sufficiently tight and so on yours desired width is kept.
  • the Fabric web gradually according to the web progress must be transported to the goods deduction between two successive bullets of the Weft the clamping can be loosened briefly.
  • the rod spreader described above with a single work staff works on tight-fitting goods, i.e. in the manufacture of fabrics with a relative large number of weft threads per unit length satisfactory; Problems arise from the practical experience in weaving medium and light-weight goods, i.e. for tissues with less or very low numbers of weft threads each Unit of length. In particular, it happens low-shot goods before the stick jams and that this creates an undesirably high tension builds up in the fabric web causing damage or Tissue degradation can result. Furthermore can the high tensile stress in the fabric web in the event of breaks in the warp or weft threads to loose areas in the fabric that do not result from subsequent corrections more can be eliminated.
  • a rod spreader of the type mentioned to create which avoids the disadvantages listed and which in particular ensures that in addition to tight-fitting goods also medium-sized and low-shot goods with high quality and at reliable operation can be produced.
  • the Rod spreader have a simple structure and easy and inexpensive to manufacture and flexible different applications and requirements adaptable his.
  • a rod spreader in which Rod support above the work rod parallel to this one second slide rod is arranged, the distance from first slide rod is smaller than the outside diameter of the working rod, the seen from the longitudinal slot Working stick lies behind the two sliding bars.
  • the rod spreader is also the second clamping of the fabric web is released so that now the web of fabric only between the Working rod on the one hand and the two sliding rods on the other hand is held.
  • This also has another effect Clamping effect necessary for keeping the fabric wide is sufficient; at the same time, however, the tissue in optimally against excessive clamping forces and the associated risks of a reduction in quality protected.
  • the tensile stress, on the warp thread arrangement and the fabric web is exercised, significantly reduced; in practice the reduction can be up to about 50%.
  • This The reduction in tractive force also reduces the due to excessive tensile forces or at least promoted damage or defects in the tissue, so with the rod spreader according to the invention an improved Fabric quality and higher productivity in particular achieved with medium-shot and light-shot goods becomes.
  • the rod spreader is without Restrictions also for the production of tight-fitting goods can be used because the rod support of the Stick spreader with only one inserted Working rod can be used without a sliding rod.
  • the bar support be considered an exception the longitudinal slot is closed housing, that for installing and removing the work rod and / or the slide bar / slide bars divided and / or opened can be.
  • This design of the rod carrier is a high degree of stability is the prerequisite for this is that over the entire length of the rod spreader, i.e. across the entire width of the fabric web uniform clamping or braking of the fabric web is achieved.
  • the housing forming the rod carrier is a one or Multi-part hollow profile is formed, in which the Foreheads are covered with closures, one of which at least one is removable.
  • closures one of which at least one is removable.
  • the rod spreader is in its built into the weaving machine from its Front end much easier to access than from the side in which the longitudinal slot is formed.
  • the Hollow profile is a folded profile made of sheet metal.
  • rod spreader is kept while maintaining its Housing with different numbers and / or sizes of working and sliding bars is to be used it is advantageous that in the forming the rod support Housing in addition to the work and slide bars Filling sticks for filling by the working and Slide rods not occupied rod receiving areas can be used.
  • the inventive Rod spreader the possibility that this is the rod carrier forming housing with or to form several separate, parallel rod receiving areas for work and slide bars, each with its own Longitudinal slot is executed and that the rod carrier in several different positions with the rest Loom is connectable, being in any position one of the rod receiving areas is used is coming.
  • the rod spreader according to the invention can be advantageous can also be used in this function by in the rod carrier slide rods of different diameters can be used.
  • the first, in the lower Part of the slide spreader bar also becomes the sub-compartment height according to the change of Diameter of the slide rod changed, unless the Fabric web with the one in front of the first slide bar Lower edge of the longitudinal slot in the rod carrier in contact is coming.
  • the width of the Longitudinal slot can be a sufficient in practice Range of change for the sub-compartment height guaranteed become; for example, an adjustment range of about 6 mm is sufficient for most applications.
  • One to the rod spreader described last alternative design provides that of the longitudinal slot seen from behind the working and sliding bars built-in packing is arranged, of which the rods facing side on its contour while keeping a free Tissue passage is adjusted or approximated.
  • This version of the rod spreader is special can be used sensibly if with the associated Weaving machine mainly a uniform type of fabric should be produced and therefore an exchange of Working and sliding bars not or only very rarely he follows.
  • the built-in packing can at the same time act as a spacer, the two Profiles that are arranged parallel to each other for Forming the rod spreader keeps at a distance.
  • the Connection between the profiles and the packing is then conveniently carried out by detachable Lanyards, e.g. Screws.
  • this expiring fabric web becomes suggested that the bottom edge and / or the top edge of the longitudinal slot / slots at least is rounded on the outside.
  • FIG. 1 of the drawing this only includes here schematically illustrated embodiment of a Weaving machine 1 has a warp let 11, from which warp threads 10 fed to a shed 13 via a deflection drum 12 become. Following the formation 13 in the drawing to the left, a shot entry 14 with a shot stop 14 '. In this area, what is not detailed here is shown because it is well known Weft threads using a perpendicular to the plane of the drawing moving boat in the between the upper and lower warp threads 10 formed compartments shot. The Shot stop 14 'strikes the newly shot Weft against the end of the already woven Fabric web 10 '.
  • the Stick spreader 2 ensures that the Fabric web 10 'against the forces acting on the warp threads 10 when shooting the weft in the weft insertion 14 in Transverse direction of the fabric web 10 'are exercised.
  • the fabric web within the Stick spreader 2 each while firing of a weft thread to a sufficient degree pinched and thus held in width.
  • FIG. 1 drawn rod spreader 2 an arrangement of A total of three rods 3, 41, 42 are provided, of which the Rod 3 is a working rod and rods 41, 42 Are sliding rods.
  • the rod spreader 2 has a rod carrier 23 which in Form of a with the exception of a front longitudinal slot 21 closed housing is formed. Inside the Rod carrier 23 has a receiving area 20 formed in which the mentioned rods 3, 41, 42 are arranged.
  • the Rod 41 is the first slide rod in the lower part of the Bar support 23 arranged; in the upper part of the beam 23 the rod 42 is accommodated as a second slide rod, where both rods 41, 42 parallel to each other in Longitudinal direction of the receiving area 20 of the Rod spreader 2 run.
  • the work stick 3 is behind the first and second slide rod 41, 42, the fabric web 10 of the Weft entry 14 coming first through the longitudinal slot 21 enters the rod carrier 23, then between the first slide rod 41 and the working rod 23, the Working rod 3 through an angle of more than 180 ° wraps around and then between the working stick 3 and the second slide rod 42 through and through the longitudinal slot 21 again from the rod spreader 2 is brought out.
  • the fabric web 10 of the Weft entry 14 coming first through the longitudinal slot 21 enters the rod carrier 23, then between the first slide rod 41 and the working rod 23, the Working rod 3 through an angle of more than 180 ° wraps around and then between the working stick 3 and the second slide rod 42 through and through the longitudinal slot 21 again from the rod spreader 2 is brought out.
  • it is finished woven fabric web 10 'via a further deflection drum 15 to a goods deduction 16.
  • Both the goods deduction 16 and the Kettablass 11 are designed as drums, wherein expediently the goods take-off 16 can be driven in rotation by a Predetermined or predeterminable tensile force on the fabric web 10 'to be able to exercise.
  • the warp let off 11 formed with an adjustable braking device, to also be applied from here to the warp threads 10 To be able to regulate traction.
  • the mentioned tensile forces during the shooting in Weft for the fabric web 10 'and the Warp threads 10 are not in the direction of transport in the sense of arrows can be moved by a Clamp between the working rod 3 on the one hand and the two sliding rods 41, 42 on the other hand. This Clamping occurs every time the shot is fired 14 'temporarily suspended or at least reduced, see above that in each case there is sufficient further transport of the Fabric web 10 'and the warp threads 10 in the direction of it drawn arrows is possible.
  • FIG. 2a of the drawing shows, also in cross section, the rod spreader 2 in an enlarged view Figure 1, here the number and arrangement of the rods 3, 41, 42 is identical to that in Figure 1.
  • the baton 23 consists of two produced by folding Profile parts 24, 24 'which are identical to each other and arranged mirror-symmetrically to each other and to each other are connected to the rod support 23.
  • Figure 2b shows the rod spreader 2 in one Version with rods 3, 41, 42 with diameters are used, which of those of the rods 3, 41, 42 in Figure 2a deviate upwards.
  • the clamp function will not changed by this; but what changes is that Lower compartment height of those entering the rod spreader 2 Fabric web 10 '.
  • the fabric web 10 ' runs in Figure 2a in a relatively small distance above the lower edge 22 ' of the longitudinal slot 21 in the rod spreader 2, while the fabric web 10 'in Figure 2b due to the Use of a slide rod 41 with a larger diameter at a correspondingly greater distance from the Bottom edge 22 'of the longitudinal slot 21 runs into this. In this way, the associated weaving machine does not need any separate means for adjusting the sub-compartment height more.
  • FIGs 3a and 3b show an embodiment of the Stick spreader 2, especially for the manufacture of medium-shot goods is suitable.
  • the second slide rod 42 is no longer in Commitment; so it will only be working stick 3 together used with the first slide rod 41.
  • a clamp between the Working rod 3 and the upper edge of the longitudinal slot 21 causes.
  • there is a clamping effect medium strength which makes it the preferred Use for medium-shot goods results.
  • FIGS. 5a and 5b finally show one Design of the rod spreader 2 with a rod carrier 23, which are used in different positions can and with the so different properties of the Bar spreader 2 can be realized.
  • the rod spreader 2 according to Figure 5a and Figure 5b initially consists of two mirror-symmetrical to each other arranged profile parts 24, 24 ', between which a Cross section of rectangular spacers 25 arranged is.
  • FIGS. 5a and 5b there is also a dashed line a reduced version of the Spacer 25 indicated, in this version then symmetrical between the left and the right Long side of the rod spreader 2 is.
  • a receiving area 20, 20 'permanent available so that for a change in the property of the Stick spreader 2 this only turned in total must become.
  • an exchange of the Working rod 3 and the slide rods 41, 42 without further notice possible. This is also an adjustment of the Lower compartment height and a change in the clamping effect to adapt to different types of tissue feasible.
  • Figure 6 of the drawing shows an embodiment of the Rod spreader 2, in which, similar to that in Figure 5a and 5b, two profile parts 24, 24 'mirror-symmetrical are arranged to each other and on their long sides limit a longitudinal slot 21, 21 '.
  • the arrangement and function of the working rod 3 and Slide rods 41, 42 corresponds to that of Embodiments according to Figures 2a, 2b and 5a.
  • the rod spreader 2 6 changes in the number and arrangement of Bars 3, 41, 42 easily possible. Is appropriate however, the use of the rod spreader 2 according to Figure 6 whenever it is foreseeable that a constant arrangement and size of bars 3, 41, 42 to be used. If necessary, however, can also be done here by replacing the permanently installed packing 5 ' Adaptation to different numbers and arrangements of Bars 3, 41, 42 take place.
  • the rod spreader 2 according to FIG. 6 the possibility to use it in the turned position, like this already was explained with reference to Figures 5a and 5b.
  • Figures 7a to 7e show embodiments of Rod spreader bars with a fabric support 51, 52, the Number and arrangement of the rods 3, 41, 42 of those in the Figure 2a corresponds.
  • the rod spreader is arranged so that a Housing section serves as a tissue support.
  • Both Embodiments according to Figures 7c and 7e is the Fabric support 51 in one piece with the profile part 24 educated.
  • the fabric support 51 is formed as a separate part. It it is pointed out that the angular position of the Tissue support predetermined with respect to the longitudinal slot 21 can be.
  • Figures 8a to 8c show such a fabric support in an air weaving machine (Fig. 8a), one Rapier weaving machine (Fig. 8b) and one Projectile loom (Fig. 8c).
  • the rod spreader 2 consists essentially of one Rod support 23, a working rod 3 and at least one Slide rod 41.
  • the work rod and the slide rod are arranged parallel to each other in the rod carrier.
  • the rod spreader has the advantage that the clamping the fabric web is small without the width of the Tissue web is affected.

Landscapes

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

Claims (16)

  1. Templet à pointes (2) pour un métier à tiaaer (1), avec une pointe de travail (3) disposée dans un support de pointe (23), où une bande de tissu (10') sous contrainte de traction passe à travers une fente longitudinale (21, 21') du support de pointes (23), entoure la pointe de travail (3) selon plus que 180° et quitte à travers celle-ci ou une autre fente longitudinale (21, 21') le support de pointes (23), caractérisé en ce qu'au moins une pointe de glissement (41) est disposée parallèlement à la pointe de travail (3) dans le support de pointes (23) de façon qu'il soit produit entre la pointe de travail (3) et au moins une pointe de glissement (41) un effet de serrage sur la bande de tissu (10').
  2. Templet à pointes selon la revendication 1, caractérisé en ce que la pointe de glissement (41) est disposée sous la pointe de travail (3), où cette pointe de glissement (41) tient avec son pourtour extérieur la bande de tissu entrante (10') à une hauteur au-dessus d'une arête inférieure (22') de la fente longitudinale (21, 21').
  3. Templet à pointes selon les revendications 1 et 2, caractérisé en ce qu'il est disposé dans le support de pointes (23) au-dessus de la pointe de travail (3), parallèlement à celle-ci, une deuxième pointe de glissement (42) dont l'écart relativement à la première pointe de glissement (41) est plus petit que le diamètre extérieur de la pointe de travail (3) où, en regardant depuis la fente longitudinale (21, 21'), la pointe de travail (3) se situe derrière les deux pointes de glissement (41, 42).
  4. Templet à pointes selon la revendication 1, caractérisé par un support de tissu (51) qui est réalisé en une pièce avec le support de pointes (23).
  5. Templet à pointes selon la revendication 1, caractérisé par un support de tissu (52) qui est disposé en amont de la fente longitudinale (21, 21').
  6. Templet à pointes selon les revendications 1 à 5, caraatériné en cc quc le support de pointes (23) est réalisé comme boítier fermé à l'exception de la fente longitudinale (21, 21'), qui peut être divisé et/ou ouvert pour le montage et le démontage de la pointe de travail et/ou de la ou des pointes de glissement (41, 42).
  7. Templet à pointes selon la revendication 6, caractérisé en ce que le boítier formant le support de pointes (23) est réalisé par un profilé creux (24, 24') en une ou plusieurs parties, dans lequel les extrémités frontales sont recouvertes par des fermetures dont au moins une peut être retirée.
  8. Templet à pointes selon la revendication 7, caractérisé en ce que le profilé creux (24, 24') est un profilé plié en tôle métallique.
  9. Templet à pointes selon l'une des revendications 6 à 8, caractérisé en ce que le boítier constituant le support de pointes (23), vu en section transversale, est adapté par sa forme et grandeur à la forme et au nombre et au diamètre des pointes de travail et de glissement (3, 41, 42) à loger dans celui-ci.
  10. Templet à pointes selon l'une des revendications 6 à 8, caractérisé en ce que peuvent être placés dans le boítier formant le support de pointes (23), additionnellement aux pointas de travail et de glissement (3, 41, 42), des pointes de remplissage (5) pour remplir les zones de réception de pointes (20, 20') non occupées par les pointes de travail et de glissement (3, 41, 42).
  11. Templet à pointes selon l'une des revendications 6 à 10, caractérisé en ce que le boítier constituant le support de pointes (23) est réalisé avec ou pour la formation de plusieurs zones de réception de pointes parallèles (20, 20') séparées les unes des autres pour des pointes de travail et de glissement (3, 41, 42) avec respectivement une fente longitudinale propre (21, 21'), et en ce que le support de pointes (23) peut être relié dans plusieurs positions différentes au restant de la machine à tisser (1), où dans chaque position, respectivement l'une des zones de réception de pointes (20, 21') est utilisée.
  12. Templet à pointes selon l'une des revendications précédentes, caractérisé en ce que peuvent être placées dans le support de pointes (23), pour l'ajustement en hauteur de la foule inférieure, des pointes de glissement (41) d'un diamètre différent.
  13. Templet à pointes selon l'une des revendications précédentes, caractérisé en ce que toutes les pointes de travail et de glissement (3, 41, 42) reposent lâchement dans le support de pointes (23).
  14. Templet à pointes selon l'une des revendications 1 à 13, caractérisé en ce que, en regardant depuis la fente longitudinale (21), il est disposé derrière les pointes de travail et de glissement (3, 41, 42) un corps de remplissage (5') monté fixement dont le côté (50') orienté vers les pointes (3, 41, 42) est adapté ou approché au contour de celles-ci en laissant libre un chemin de passage de tissu.
  15. Templet à pointes selon l'une des revendications précédentes, caractérisé en ce que l'arête inférieure (22') et/ou l'arête supérieure (22) de la ou des fentes longitudinales (21, 21') est/sont arrondies au moins au côté extérieur.
  16. Machine à tisser avec un templet à pointes selon l'une, des revendications 1 à 15, caractérisée en ce que la machine est sélectionnée dans le groupe comprenant une machine à tisser à jet d'air, une machine à tisser à pinces ou une machine à tisser à projectile.
EP97947830A 1996-12-23 1997-12-19 Templet pour metier a tisser Expired - Lifetime EP0888470B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19654039 1996-12-23
DE19654039 1996-12-23
PCT/IB1997/001617 WO1998028475A1 (fr) 1996-12-23 1997-12-19 Templet pour metier mecanique

Publications (2)

Publication Number Publication Date
EP0888470A1 EP0888470A1 (fr) 1999-01-07
EP0888470B1 true EP0888470B1 (fr) 2001-11-28

Family

ID=7816027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97947830A Expired - Lifetime EP0888470B1 (fr) 1996-12-23 1997-12-19 Templet pour metier a tisser

Country Status (5)

Country Link
US (1) US6070620A (fr)
EP (1) EP0888470B1 (fr)
JP (1) JP2000505846A (fr)
DE (2) DE19713357A1 (fr)
WO (1) WO1998028475A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE338839T1 (de) * 2003-03-21 2006-09-15 Textilma Ag Webmaschine, insbesondere bandwebmaschine
CN102936788A (zh) * 2012-11-21 2013-02-20 常熟市宝沣特种纤维有限公司 织机用的双层织物内撑幅装置
CN102936789A (zh) * 2012-11-21 2013-02-20 常熟市宝沣特种纤维有限公司 织机用的圆筒状织物撑幅机构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE495300C (de) * 1927-05-19 1930-04-05 Axel Engelbrekt Norrman Breithalter fuer Webstuehle
US2042415A (en) * 1935-08-14 1936-05-26 Draper Corp Loom temple
FR1522148A (fr) * 1967-05-09 1968-04-19 Sulzer Ag Métier à tisser
DE3815395A1 (de) * 1987-09-21 1989-03-30 Textilma Ag Webmaschine
ES2013847A6 (es) * 1988-03-18 1990-06-01 Textilma Ag Dispositivo guiador para una tira de genero textil.
DE3821725A1 (de) * 1988-04-07 1989-10-26 Dornier Gmbh Lindauer Luftwebmaschine
DE3926525A1 (de) * 1989-08-10 1991-02-14 Dornier Gmbh Lindauer Luftwebmaschine mit einem webblatt und im webblatt angeordnetem schusseintragskanal
DE4205514C2 (de) * 1992-02-24 1996-01-11 Dornier Gmbh Lindauer Umrüstbarer muldenförmiger Breithaltertisch für Luftdüsenwebmaschinen

Also Published As

Publication number Publication date
DE19713357A1 (de) 1998-06-25
US6070620A (en) 2000-06-06
DE59705551D1 (de) 2002-01-10
WO1998028475A1 (fr) 1998-07-02
JP2000505846A (ja) 2000-05-16
EP0888470A1 (fr) 1999-01-07

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