EP0093841B1 - Support de lames en forme de peigne pour métiers à tisser, en particulier pour le rotor de tissage de métiers à tisser multiphasé à foule linéaire et son procédé de fabrication - Google Patents

Support de lames en forme de peigne pour métiers à tisser, en particulier pour le rotor de tissage de métiers à tisser multiphasé à foule linéaire et son procédé de fabrication Download PDF

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Publication number
EP0093841B1
EP0093841B1 EP83101536A EP83101536A EP0093841B1 EP 0093841 B1 EP0093841 B1 EP 0093841B1 EP 83101536 A EP83101536 A EP 83101536A EP 83101536 A EP83101536 A EP 83101536A EP 0093841 B1 EP0093841 B1 EP 0093841B1
Authority
EP
European Patent Office
Prior art keywords
lamellae
carrier
weaving
projections
shed
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
Application number
EP83101536A
Other languages
German (de)
English (en)
Other versions
EP0093841A1 (fr
Inventor
Alois Steiner
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.)
Maschinenfabrik Sulzer Rueti AG
Original Assignee
Maschinenfabrik Sulzer Rueti 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 Maschinenfabrik Sulzer Rueti AG filed Critical Maschinenfabrik Sulzer Rueti AG
Priority to AT83101536T priority Critical patent/ATE19797T1/de
Publication of EP0093841A1 publication Critical patent/EP0093841A1/fr
Application granted granted Critical
Publication of EP0093841B1 publication Critical patent/EP0093841B1/fr
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D41/00—Looms not otherwise provided for, e.g. for weaving chenille yarn; Details peculiar to these looms
    • D03D41/005—Linear-shed multiphase looms

Definitions

  • the invention relates to a lamella comb for weaving machines, in particular for the weaving rotor of row shed looms, with lamellae arranged on a carrier and with shed holding elements for the warp threads, which are formed by lateral lamella projections.
  • This lamella comb proposed by the applicant of the present application can be quickly and easily replaced on the weaving rotor and can be produced with little effort and in a short time, the adaptation of which to changes in the division of the lamellae caused by changing articles, i.e. in other words, changes in warp density, but is still relatively expensive.
  • the invention is intended to improve the lamella comb described at the outset in such a way that it can be adapted to changing warp densities and thus to changing tube widths without having to replace the lamellae provided with compartment-holding elements.
  • each compartment holding member is formed by a projection of the two lamellae enclosing the compartment holding member, which protrusions protrude from one another, bridge the gap between these slats together and are offset from one another.
  • the tube width can be adjusted continuously and arbitrarily between a value corresponding to the height of one of the projections and a sum of the heights of both projections.
  • the two projections overlap completely and in the latter case their free end faces are aligned with one another.
  • the height of each projection is 0.8 mm and there are two warp threads in each tube, an article spectrum between approximately 20 and 10 warp threads per centimeter can be covered with a single set of lamellae. If the warp threads are drawn in less densely, for example only one warp thread per tube, the article range is between 20 and 5 warp threads per centimeter.
  • the invention further relates to a method for producing the lamella comb described, in which the slats are placed on the carrier, positioned with the desired division and then fixed on the carrier.
  • each compartment holding element is formed by two protruding projections, now makes it possible for the first time to produce a lamella comb in which the pipe width is not determined by the height of the compartment holding elements.
  • the invention is intended to provide a manufacturing method for such a lamella comb in which the sum error mentioned no longer occurs, that is to say the lamella comb can be reproduced exactly.
  • the slats are positioned on the carrier with the aid of an organ arranged parallel to the carrier, which organ is provided with guide means for the slats, the division of the guide means corresponding to the desired division of the slats.
  • any type of spacer elements arranged between the lamellae can be dispensed with, as a result of which the sum error mentioned is excluded a priori.
  • the organ is in the form of a rod and the guide means are formed by grooves, then at most there can be an error caused by the machine tool used to produce the grooves. In any case, this would be negligibly small and, in addition, the same size for all rod-like organs machined on the same machine tool, so that the organs and thus the lamellar combs are exactly the same in this less favorable case.
  • the figures show a lamella comb for the weaving rotor of a series shed weaving machine, which consists of a carrier 1, a stop comb 2 and a guide comb 3, both combs being displaced by half a division.
  • the structure and mode of operation of a series shed weaving machine with a weaving rotor are assumed to be known and are not explained in more detail here; in this connection reference is made to US Pat. No. 4,290,458. In this patent, the mutual displacement of the two combs 2 and 3 by half a division is described in detail.
  • any known weft insertion system can be used on a row shed weaving machine and the lamella comb shown in the figures is not limited to a specific weft insertion system or is specific for this, this will not be discussed either.
  • weft insertion system with air reference is made to the applicant's US Pat. No. 4,484,603 to the present application.
  • the stop comb 2 consists of stop slats 4 for striking the weft threads and the guide comb 3 consists of guide slats 5 for the warp threads.
  • the guide lamellae 5 are provided with shed retaining elements, which fix the up and down position of the warp threads and hold the warp threads in their up or down position over their entire wrap angle on the weaving rotor.
  • Fig. 2 in which the individual fins are drawn exaggerated thick, the tube between two adjacent guide fins 5 is designated B and that between two adjacent stop fins 4 is designated C and one can see the mutual displacement of the two fin combs 2 and 3 (Fig. 1) with the fins 4 or 5 by half a pipe width.
  • there are two warp threads K in each tube of each of the two lamella combs in the tube B between two guide lamellae 5 both warp threads K are located together either in the up or down position, in the tube C between two stop lamellae 4 there is a warp thread K in each case in the high and the other in the low position.
  • This representation corresponds to a double-stitch plain weave.
  • the compartment-holding members for the warp threads K are formed by projections projecting laterally from the guide slats 5.
  • Each guide plate 5 is provided with a first projection 6 or 6 'serving as a compartment holding element for the high position and with a second projection 7 or 7' serving as a compartment holding element for the low position.
  • the first projection 6, 6 ' is formed by a bent portion on one edge of the guide slats 5, the second projection 7, 7' is formed in that a type of window is punched out of the guide slats 5 on three edges and bent around its fourth edge is. Since the compartment holding members for the up and down position are always arranged in different tubes, the first and second projections 6, 6 'and 7, 7' each project away from the guide plates 5 on different sides.
  • Each compartment-holding member is formed by two first or second projections 6, 6 'or 7, 7' arranged on the guide fins 5 delimiting the respective tube.
  • the two projections, each forming a compartment-holding member project against one another (FIGS. 2, 3) and are offset with respect to one another in the warp direction, which corresponds approximately to the direction of the arrow 11 in FIG. 1.
  • the aforementioned lamella comb 3 is thus composed of two types of guide lamellae 5: from guide lamellae 5 with a first projection 6 in the weft direction A and with a second projection 7 in the weft direction A and from guide lamellae 5 with a first projection 6 'in the weft direction A and with a second projection 7 'against the firing direction A.
  • the formation of the compartment holding members by two protrusions 6, 6 'or 7, 7' projecting and offset from each other enables the use of a single set of fins for different pipe widths, by reducing the pipe width by moving the guide fins 5 from a minimum value, in which the projections 6, 7; 6 ', 7' of one guide lamella 5 each abut the adjacent guide lamella 5 with its free end face, that is to say they overlap to a minimum value, up to a minimum value at which the said end faces are aligned with one another or the projections 6, 7; 6 ', 7' just overlap.
  • the carrier 1 for the lamellar combs 2, 3 (FIG. 1) consists, as shown, of two parallel rails 8 and 9, which extend over the weaving width, one of which is provided with a dovetail 10.
  • the dovetail 10 is provided for insertion into a corresponding groove on the casing of the weaving rotor (not shown).
  • the rail 8 carrying the dovetail 10 is distributed over its length at intervals of approximately 3 to 10 cm with threaded bores 11, into each of which a countersunk screw 12 is screwed, which projects with one end out of the rail 8 and against the rail 9 presses. By turning the screws 12, the distance between the two rails 8 and 9 and thus the cross section of the carrier 1 can be adjusted.
  • Each lamella 4 and 5 has two fastening legs 13 or 14 which enclose a mouth 15 and 16 which partially surrounds the rails 8 and 9.
  • the mouth 15, 16 of each lamella 4 and 5 is delimited at the end of each fastening leg 13 and 14 by a projection 17 and 18, respectively.
  • the projections 17 and 18 are provided for snapping on two diagonally opposite edges of the two rails 8 and 9.
  • the width of the mouth 15 and 16 and the cross section of the rails 8 and 9 are dimensioned such that when the screws 12 are loosened, that is to say when the two rails 8 and 9 are at a small mutual distance, the lamellae 4, 5 with the fastening legs 13 and 14 respectively the rails 8, 9 inserted and then through Adjustment of the screws 12 can be fixed.
  • the inner edge of one fastening leg 13 or 14, which runs perpendicular to the screws 12, is the same length as the corresponding dimension of the rail 9 and the inner edge of the other fastening leg 13 or 14, which runs parallel to the screws 12, is longer than the sum of the corresponding dimensions of the two Rails 8 and 9.
  • Each carrier 1 formed by the rails 8, 9 carries two lamella combs 2 and 3 (FIG. 1) displaced relative to one another by half a pitch or tube width B or C, with stop lamellae 4 and guide lamellae 5.
  • the fastening limbs 13 and 14 are of the two lamella types oriented in such a way that the fastening legs of one type of lamella parallel to the screws 12 engage the rails 8, 9 on one side and the same fastening legs of the other type of lamella encompass the rails 8, 9 on the other side wall thereof.
  • the lamella combs are produced in such a way that the individual lamellae 4 and 5 are placed on a pair of rails 8, 9 with a length corresponding to the length of the loom rotor outside the weaving machine.
  • the screws 12 are loosened so far that they can be easily attached.
  • a stop plate 4 and a guide plate 5 are alternately attached, in the latter alternately a guide plate 5 with projections 6, 7 and one with projections 6 ', 7'.
  • the fins 4, 5 Before the fins 4, 5 are fixed, they have to be positioned on the rails 8, 9 with exact observance of their mutual distance, the pipe width or pitch.
  • This positioning is carried out with the aid of rod-like organs arranged parallel to the carrier 1 and provided with guide means for the slats, the division of the guide means corresponding to the desired division of the slats.
  • These organs are preferably formed by racks, the teeth of which have the desired division and a triangular or trapezoidal profile.
  • These racks can form part of a teaching and can be clamped together with the carrier 1 in such a way that the racks are positioned relative to the carrier 1 in such a way that the slats 4 and 5, after being fitted onto the carrier 1, are straight with their in Fig.
  • the slats 4 and 5 positioned in this way can then be glued to the rails 8, 9 by means of a suitable adhesive which is soluble in heat or a liquid. If the division of the lamellar combs is to be changed, the adhesive connection can be released by exposure to heat or the solvent.
  • the rod 9 is provided with two parallel longitudinal grooves 19 and 20 on its outer surface adjacent to the inner edge of the fastening leg 13 or 14 running perpendicular to the screws 12, and the rod 8 has a longitudinal groove 21 on each of its two side surfaces lying parallel to the screws 12. 22 on.
  • Each of the grooves 19 to 22 is provided for receiving a rack 23 to 26 extending over the entire length of the carrier 1 and thus over the weaving width and between the bottom of each groove 19 to 22 and its rack 23 to 26 there is an elastic insert, as shown a rubber cord 27 to 30 of about 2 mm in diameter is arranged.
  • a pair of toothed racks 23, 26 and 24, 25 is provided for each lamella comb 2, 3 (FIG. 1), in which the lamellae 4 or 5 are each guided in the region of their two projections 17 and 18.
  • the lamellae 4, 5 On the inner edge of their perpendicular to the screws 12 inner leg, the lamellae 4, 5 each have a gradation 31 or 32, with which they embrace the rack 24 or 23 assigned to the respective other lamella 5 or 4 from the outside and therefore do not come into contact with them can get from the carrier 1 to the outside protruding teeth.
  • the depth of the grooves 19 to 22, the height of the toothed racks 23 to 26 and the height of their toothing and the thickness of the rubber cords 27 to 30 are coordinated with one another in such a way that the teeth of the toothed racks before the slats 4, 5 are fitted onto the carrier 1 slightly protrude the side surfaces of the rails 8, 9 provided with grooves 19 to 22. As a result, the slats 4, 5 are pushed against the pressure of the rubber cords 27 to 30 and these press the toothing of the toothed racks 23 to 26 fully against and between the slats 4, 5, as a result of which they are always securely positioned.
  • the slats 4, 5 are positioned without any sum error, i.e. incorrect influences due to deviations in the thickness or flatness of the slats 4, 5 cannot add up.
  • An error could only affect the machine tool on which the toothing was produced. But on the one hand this is very unlikely and on the other hand it is still without influence, because such an error would be the same for all racks 23 to 26 of a production lot.
  • the racks 23 to 26 only need to be replaced.
  • the fins 5 with the compartment holding members can be adapted to the new pipe width within wide limits because of the overlapping projections 6, 6 'and 7, 7, the fins 4 also only need to be repositioned.
  • the projections 6, 6 '; 7, 7 ' not necessarily in the warp direction, but can also be offset with respect to one another in the radial direction with respect to the weaving rotor. In this case, the projections 6, 6 'or 7, 7' would lie one above the other.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (10)

1. Peigne à lamelles destiné à des métiers à tisser, en particulier destiné au rotor de tissage de métiers à tisser à foule en série, comprenant des lamelles disposées sur un support et des organes de maintien de la foule pour les fils de chaîne, qui sont formés de saillies latérales en lamelles, caractérisé en ce que chaque organe de maintien de foule estformé par une saillie respective (6, 6'; 7, 7') des deux lamelles (5) enfermant l'organe de maintien de foule, lesdites saillies se dressant l'une contre l'autre, chevauchant en commun l'espace intermédiaire entre ces lamelles et étant décalées l'une par rapport à l'autre.
2. Peigne à lamelles selon la revendication 1, caractérisé en ce que les saillies (6, 6'; 7, 7') sont décalées l'une par rapport à l'autre dans la direction de chaîne.
3. Peigne à lamelles selon la revendication 2, caractérisé en ce que les lignes de niveau des côtés frontaux libres des saillies (6, 7; 6', 7') se chevauchant mutuellement.
4. Peigne à lamelles selon la revendication 3, caractérisé en ce que les saillies (7, 7') sont conformées à la manière du battant d'une croisée à peu près rectangulaire venant des lamelles (5), qui est produit par estampage sur trois arêtes et qui est courbé sur sa quatrième arête.
5. Peigne à lamelles selon l'une des revendications 1 à 4, caractérisé en ce qu'on dispose sur le support (1) des lamelles (5) un organe de positionnement qui présente des moyens de guidage pour les lamelles dont la subdivision correspond à la subdivision désirée (B, C) des lamelles.
6. Peigne à lamelles selon la revendication 5, dont le support est formé par deux rails parallèles s'étendant sur la largeur du métier, caractérisé en ce que l'organe de positionnement est formé par une tige (23 à 26) s'étendant sur la largeur du métier et montée dans un rail (8, 9), et en ce que les moyens de guidage sont du type rainures.
7. Peigne à lamelles selon la revendication 6, caractérisé en ce que la tige (23 à 26) est conformée comme une tige dentée ayant des dents s'étendant transversalement par rapport à la direction longitudinale de cette tige, et qui forment lesdits moyens de guidage mentionnés et sont prévues pour contacter les lamelles (5).
8. Procédé pour fabriquer le peigne à lamelles selon la revendication 1, dans lequel on installe les lamelles sur le support, on les positionne selon la subdivision désirée et ensuite on les fixe sur le support, caractérisé par le positionnement des lamelles (4, 5) sur le support (1) à l'aide d'un organe disposé en parallèle sur le support et qui est muni de moyens de guidage pour les lamelles, la subdivision des-moyens de guidage correspondant à la subdivision désirée (B, C) des lamelles.
9. Procédé selon la revendication 8, caractérisé par l'utilisation, pour le positionnement des lamelles (4, 5) pour chaque rangée (2, 3) de lamelles, du motif denté (23 à 26) s'étendant sur la largeur du métier, et par l'emploi de sa denture comme moyen de guidage pour les lamelles, la tige dentée exerçant alors une pression élastique par sa denture contre une arête des lamelles.
10. Procédé selon la revendication 9, caractérisé par la fixation des lamelles (4, 5) dans leur position réglée par la tige dentée sur le support (1) par un moyen de fixation libérable par la chaleur ou par un moyen de déblocage, et l'enlèvement de la tige dentée après fixation.
EP83101536A 1982-04-20 1983-02-18 Support de lames en forme de peigne pour métiers à tisser, en particulier pour le rotor de tissage de métiers à tisser multiphasé à foule linéaire et son procédé de fabrication Expired EP0093841B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83101536T ATE19797T1 (de) 1982-04-20 1983-02-18 Lamellenkamm fuer webmaschinen, insbesondere fuer den webrotor von reihenfachwebmaschinen, und verfahren zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2377/82A CH657875A5 (de) 1982-04-20 1982-04-20 Lamellenkamm fuer webmaschinen, insbesondere fuer den webrotor von reihenfachwebmaschinen, und verfahren zu dessen herstellung.
CH2377/82 1982-04-20

Publications (2)

Publication Number Publication Date
EP0093841A1 EP0093841A1 (fr) 1983-11-16
EP0093841B1 true EP0093841B1 (fr) 1986-05-14

Family

ID=4232352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101536A Expired EP0093841B1 (fr) 1982-04-20 1983-02-18 Support de lames en forme de peigne pour métiers à tisser, en particulier pour le rotor de tissage de métiers à tisser multiphasé à foule linéaire et son procédé de fabrication

Country Status (5)

Country Link
US (1) US4512374A (fr)
EP (1) EP0093841B1 (fr)
AT (1) ATE19797T1 (fr)
CH (1) CH657875A5 (fr)
DE (1) DE3363473D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0111072B1 (fr) * 1982-12-10 1986-05-07 Maschinenfabrik Sulzer-Rüti Ag Métier à tisser multiphasé à foule linéaire avec un rotor de tissage
DE3575167D1 (de) * 1985-04-02 1990-02-08 Sulzer Ag Webrotor fuer reihenfachwebmaschinen.
DE59407542D1 (de) * 1994-10-03 1999-02-04 Rueti Ag Maschf Anordnung zum Halten von kammartig angeordneten Schussfadeneintragselementen und Webmaschine mit einer Anordnung
WO1998031855A1 (fr) * 1997-01-21 1998-07-23 Wang Pamela C Dispositif d'espacement de dents de peigne de tissage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB160321A (en) * 1920-01-12 1921-03-24 Thomas Clifford Woodman Improvements in and connected with the beat-up and shedding-motions of looms for weaving
GB440173A (en) * 1934-03-16 1935-12-06 Nl Wolspinnerij Nv Improvements in and relating to shaft distributors for looms
FR891218A (fr) * 1942-10-20 1944-03-01 Métier à tisser à main
US2893440A (en) * 1955-01-15 1959-07-07 Dev Textile Sa Rectilinear loom
GB819974A (en) * 1955-12-21 1959-09-09 Dev Textile Sa Detesa Improvements relating to looms
CH543621A (de) * 1972-04-14 1973-10-31 Rueti Ag Maschf Einrichtung zum Bilden von Gewebebindungen
CH633590A5 (de) * 1978-12-07 1982-12-15 Rueti Ag Maschf Reihenfachwebmaschine mit einem webrotor.
CH633591A5 (de) * 1978-12-07 1982-12-15 Rueti Ag Maschf Reihenfachwebmaschine mit einem webrotor.

Also Published As

Publication number Publication date
ATE19797T1 (de) 1986-05-15
CH657875A5 (de) 1986-09-30
DE3363473D1 (en) 1986-06-19
EP0093841A1 (fr) 1983-11-16
US4512374A (en) 1985-04-23

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