EP0093078B1 - Métier à tisser multiphasé à foule linéaire avec un rotor de tissage - Google Patents

Métier à tisser multiphasé à foule linéaire avec un rotor de tissage Download PDF

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Publication number
EP0093078B1
EP0093078B1 EP83810099A EP83810099A EP0093078B1 EP 0093078 B1 EP0093078 B1 EP 0093078B1 EP 83810099 A EP83810099 A EP 83810099A EP 83810099 A EP83810099 A EP 83810099A EP 0093078 B1 EP0093078 B1 EP 0093078B1
Authority
EP
European Patent Office
Prior art keywords
shed
weaving
bars
warp threads
bar
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
EP83810099A
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German (de)
English (en)
Other versions
EP0093078A3 (en
EP0093078A2 (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 AT83810099T priority Critical patent/ATE27469T1/de
Publication of EP0093078A2 publication Critical patent/EP0093078A2/fr
Publication of EP0093078A3 publication Critical patent/EP0093078A3/de
Application granted granted Critical
Publication of EP0093078B1 publication Critical patent/EP0093078B1/fr
Expired 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
    • D03C13/00—Shedding mechanisms not otherwise provided for
    • 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 row shed weaving machine with a weaving rotor which has the warp threads holding the warp threads in their up or down position in a predetermined way, and with a control means arranged in the running direction of the warp threads in front of the weaving rotor for lateral deflection and assignment of each warp thread to a or a compartment holder which fixes down deep, which control means has compartment forming rods which extend in the weft direction and are adjustable in this direction.
  • the invention is intended to specify shed rods in which the irregularities mentioned between the guides for the warp threads and in particular the sum errors no longer occur, so that an error-free reading of the warp threads into the weaving rotor is guaranteed.
  • this object is achieved in that the shedding bars are formed by first toothed racks, the tooth bases of which serve as guides for the warp threads in the interdental spaces.
  • a preferred embodiment of a row shed weaving machine according to the invention with lamella combs containing the shed retaining elements and each arranged on a carrier, the lamellae of which are positioned on their carrier by a positioning element in the form of a second toothed rack extending over the weaving width, is characterized in that the tooth pitch of the first toothed racks is that of the corresponds to the second rack.
  • the first and the second toothed racks preferably correspond to one another and are of identical design.
  • the same elements can be used for shed formation and for the positioning of the slats, which on the one hand guarantees the best match between the division of the slats and that of the warp threads and thus an optimally ordered course of the warp threads from the shed guide bars to the weaving rotor and on the other hand both the production and the Operation of the row shed weaving machine according to the invention cheaper.
  • Figures 1 to 3 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 are shifted by half a pitch.
  • 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 tert: in this connection reference is made to US Pat. No. 4,291,729.
  • any known weft insertion system can be used on a row shed weaving machine and the lamella comb shown is not limited to a specific weft insertion system or is specific for this, this will not be discussed either.
  • a particularly suitable weft insertion system with air reference is made to the CH patent application 1 039 / 82-7 by the applicant of 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 K.
  • the guide slats 5 are provided with shed retaining elements which fix the up or down position of the warp threads and the warp threads over hold the entire wrap angle on the weaving rotor in its up or down position.
  • Fig. 2 in which the individual fins are drawn in an exaggerated thickness, the tube between two adjacent guide fins 5 is designated B and that between two adjacent stop fins 4 is designated C.
  • the two fin combs 2 and 3 (FIG. 1) with the fin 4 and 5 are mutually displaced 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 compartments are always arranged in different tubes, the first and second projections 6, 6 'and 7, 7' respectively 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 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 provided with threaded holes 11 distributed over its length at intervals of approximately 3 to 10 cm, into each of which a countersunk screw 12 is screwed, which protrudes with one end from 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 latching 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 from one another, the slats 4, 5 with the fastening legs 13 and 14, respectively, over the Rails 8, 9 inserted and can then be fixed by adjusting the screws 12.
  • 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 or guide la
  • the slats 4, 5 are positioned on the rails 8, 9 with the aid of rod-like members which are arranged parallel to the support 1 and are provided with guide means for the slats, the division of the guide means corresponding to the desired division of the slats.
  • These organs are formed by toothed racks, the teeth of which have the desired division and a triangular or trapezoidal profile and are embedded in the carrier 1.
  • the rod 9 is in its Provide the inner edge of the fastening leg 13 or 14 adjacent outer surface perpendicular to the screws 12 with two parallel longitudinal grooves 19 and 20 and the rod 8 has a longitudinal groove 21, 22 on each of its two side surfaces parallel to the screws 12.
  • 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 is an elastic insert, as shown a rubber cord 27 to 30 of about 2 mm in diameter is arranged.
  • a pair of racks 23, 26 and 24, 25 is provided, 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 inner leg running perpendicular to the screws 12, the lamellae 4, 5 each have a gradation 31 or 32, with which they grip around the toothed rack 24 or 23 assigned to the other lamella 5 or 4 from the outside and therefore not in Contact with the toothing projecting outwards from the carrier 1.
  • 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.
  • FIG. 4 shows, on the basis of a schematically illustrated processing of two guide combs 3 and 3 1 and a stop comb 2 arranged between them, the reading in of the warp threads K into the lamellar combs, the first and second projections 6, 6 'and the overlapping parts forming the overlapping members being overlapping one another 7, 7 'are particularly well recognizable.
  • the warp threads K are guided in the running direction of the warp threads in front of the lamella combs 2, 3 and thus in front of the weaving rotor, shed forming rods 33 and 34 and run from these to the lamella combs.
  • the upper half of the weaving rotor rotates away from the shed forming rods 33 and 34, which means, in relation to FIG. 1, a clockwise rotation.
  • each warp thread K is alternately in the high or low position from guide comb to guide comb 3.
  • the warp density permits, only two shed forming rods 33, 34 are required, which always perform an opposite movement.
  • the guide comb 3 and the stop comb 2 are fully immersed in the warp threads K and the guide comb 3 1 will soon be immersed in the warp threads 4, the warp threads K located in the guide comb 3 in the high compartment in the deep position and the warp threads K in the deep position Higher position should come.
  • the shedding bars 33, 34 have been moved by their drive so that the warp threads K assume the positions shown.
  • the warp threads K guided by the shedding rod 33 were moved to the left and the warp threads K guided by the shedding rod 34 were moved to the right until they rest against the stop lamella 4 delimiting their tube on the left or right.
  • the guide lamellae 5 can enter between two pairs of spreading warp threads K into the warp thread sheet, two of these spreading warp threads K always in a tube of the guide comb 3 1 with first compartment holding members 6, 6 'for the high position and the other two ir i get one with second compartment holding members 7, 7 'for the deep compartment.
  • the shedding bars are moved in opposite directions.
  • toothed racks which correspond to the toothed racks 23 to 26 which position the slats 4, 5 (FIG. 3).
  • Such toothed racks are easy to manufacture and, as a particular advantage, do not have any cumulative errors that negatively influence the pitch of the teeth over the entire weaving width. If the shedding bars 33, 34 were provided with bores or eyelets for guiding the warp threads, then these errors would very likely occur, but they are practically impossible with racks. Only an error in the machine tool on which the toothing was produced could have an effect here. On the one hand, this is very unlikely and, on the other hand, still has no influence, because such an error would be the same for all racks of a production lot.
  • FIG. 5 shows the racks 33, 34 in a schematic development, which is primarily intended to help understand the arrangement
  • FIG. 6 shows the effective arrangement of the racks 33, 34 on the weaving machine.
  • each of the toothed racks 33, 34 extending over the weaving width is firmly embedded in a carrier rod 35 and 36 also extending over the weaving width.
  • the carrier rods 35, 36 are connected at one end to a drive (not shown), which can be formed, for example, by an output member of a dobby or by a lever driven by an eccentric disk or drum.
  • the support rods 35, 36 are slidably mounted in recesses 38 of fork-like or rake-like support members 37 which extend around this longitudinal edge and are arranged distributed over the weaving width.
  • the support rods 35, 36 are arranged one above the other in such a way that the bottom of each support rod covers the toothing of the toothed rack immediately below.
  • the toothing of the uppermost rack, according to the illustration the rack 33, is covered by a cover rail 39 carried by the support members 37. In this way, the warp threads K cannot jump out of the toothing of their rack 33 or 34.
  • the support members 37 are provided with a number of recesses 38 corresponding to the possible total number, for example twelve, of the support rods 35, 36, each of which is occupied by the required number of support rods 35, 36.
  • the toothed racks 33, 34 If one arranges the toothed racks 33, 34 in such a way that they deflect the warp threads K out of their straight course, then one could do without covering the toothing. If the toothing protrudes upwards as in FIG. 6, the toothed racks 33, 34 would have to deflect the warp threads between the last deflecting roller in front of the toothed racks and the weaving rotor upwards, with the toothing projecting downwards correspondingly downwards. Then the warp threads would each be deflected through the toothing and could not jump out of it either.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Claims (6)

1. Métier à tisser multiphasé à foule linéaire, muni d'un rotor de tissage présentant des organes de retenue de la foule qui maintiennent les fils de chaîne sur un trajet prédéterminé dans leur position foule haute ou foule basse, ainsi que d'un moyen de commande qui est disposé avant le rotor de tissage dans la direction du défilement des fils de chaîne et est destiné à dévier latéralement chaque fil de chaîne et à l'associer à un organe de retenue de la foule arrêtant la foule haute ou basse, ce moyen de commande comportant des tiges de formation de la foule qui s'étendent dans la direction de la trame et peuvent être levées dans cette direction, caractérisé par le fait que les tiges de formation de la foule sont constituées par des premières tiges dentées (33, 34) ayant des dents dont les fonds servent, dans les entredents, de guidages pour les fils de chaîne (K).
2. Métier à tisser multiphasé à foule linéaire selon la revendication 1, présentant des peignes à lamelles qui renferment les organes de retenue de la foule, sont disposés chacun sur un support et dont les lamelles sont positionnées, sur leur support, par l'intermédiaire d'un organe de positionnement se présentant sous la forme d'une seconde tige dentée s'étendant au-dessus de la largeur de tissage, caractérisé par le fait que le pas des dents des premières tiges dentées (33, 34) correspond à celui des secondes tiges dentées (23 à 26).
3. Métier à tisser multiphasé à foule linéaire selon la revendication 2, caractérisé par le fait que les premières et les secondes tiges dentées (33, 34) 23 à 26) se correspondent mutuellement et sont de réalisation identique.
4. Métier à tisser multiphasé à foule linéaire selon la revendication 3, caractérisé par le fait que, dans le cas d'une insertion de a fils de chaîne (K) dans b tubes de chaque peigne à lamelles (2, 3) et lorsqu'on utilise c premières tiges dentées (33, 34), c étant plus grand que a, un fil de chaîne comble seulement un nombre d'entredents tel que le produit du nombre de ces entredents occupés et de c soit égal à a x b ; et par le fait que les entredents précités sont repérés par des moyens de réalisation, de préférence par une forme de dent particulière.
5. Métier à tisser multiphasé à foule linéaire selon la revendication 3, caractérisé par le fait que les premières tiges dentées (33, 34) sont montées coulissantes dans des organes de guidage (37) disposés au-dessus de la largeur de tissage ; et par le fait qu'un moyen de recouvrement, recouvrant la denture de chaque première tige dentée, est associé à cette tige.
6. Métier à tisser multiphasé à foule linéaire selon la revendication 5, caractérisé par le fait que chaque première tige dentée (33, 34) est portée par une tige de support (35, 36) montée dans les organes de guidage (37) ; et par le fait que les tiges de support sont disposées les unes au-dessus des autres, portent la tige dentée associée sur l'une de leurs surfaces de recouvrement, et recouvrent par leur autre surface de recouvrement la denture de la tige dentée voisine.
EP83810099A 1982-04-28 1983-03-09 Métier à tisser multiphasé à foule linéaire avec un rotor de tissage Expired EP0093078B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83810099T ATE27469T1 (de) 1982-04-28 1983-03-09 Reihenfachwebmaschine mit einem webrotor.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2588/82A CH657876A5 (de) 1982-04-28 1982-04-28 Reihenfachwebmaschine mit einem webrotor.
CH2588/82 1982-04-28

Publications (3)

Publication Number Publication Date
EP0093078A2 EP0093078A2 (fr) 1983-11-02
EP0093078A3 EP0093078A3 (en) 1985-05-29
EP0093078B1 true EP0093078B1 (fr) 1987-05-27

Family

ID=4237160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83810099A Expired EP0093078B1 (fr) 1982-04-28 1983-03-09 Métier à tisser multiphasé à foule linéaire avec un rotor de tissage

Country Status (5)

Country Link
US (1) US4487233A (fr)
EP (1) EP0093078B1 (fr)
AT (1) ATE27469T1 (fr)
CH (1) CH657876A5 (fr)
DE (1) DE3371802D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406129C1 (de) * 1984-02-21 1985-07-25 Maschinenfabrik Sulzer-Rüti AG, Rüti, Zürich Webrotor fuer Reihenfachwebmaschinen
DE59108995D1 (de) * 1990-05-11 1998-07-02 Rueti Ag Maschf Reihenfachwebmaschine
US5188154A (en) * 1991-05-21 1993-02-23 Sulzer Brothers Limited Weaving rotor comb fin design for series-shed loom
EP0570330B1 (fr) * 1992-05-15 1997-07-23 Sulzer RàœTi Ag Métier à tisser multiphase à foule linéaire
DE59306953D1 (de) * 1992-05-15 1997-09-04 Rueti Ag Maschf Reihenfachwebmaschine
EP0584433A1 (fr) * 1992-08-28 1994-03-02 Sulzer RàœTi Ag Dispositif à tramer pour un métier à tisser multiphase à foule linéaire
EP0612875B1 (fr) * 1993-02-26 1996-09-11 Sulzer RàœTi Ag Dispositif pour la production de dessins dans un métier à tisser multiphase
EP0833968B1 (fr) * 1995-06-22 2000-05-24 Sulzer Textil Ag Rotor d'un metier a tisser, dote de lamelles de butee
WO2002005208A2 (fr) * 2000-07-06 2002-01-17 The Trustees Of Columbia University In The City Of New York Procede et appareil permettant d'ameliorer la resolution de donnees
BE1017213A3 (nl) * 2006-07-11 2008-05-06 Wiele Michel Van De Nv Dobby-inrichting voor het aansturen van de bewegingen van minstens een weefraam van een weefmachine, en weefmachine voorzien van een dergelijke dobby-inrichting.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD40191A (fr) *
FR732546A (fr) * 1932-03-02 1932-09-21 Petit métier pour tissage en biais
CH543621A (de) * 1972-04-14 1973-10-31 Rueti Ag Maschf Einrichtung zum Bilden von Gewebebindungen
CH573486A5 (fr) * 1974-07-06 1976-03-15 Rueti Ag Maschf
CH598388A5 (fr) * 1974-09-13 1978-04-28 Giraudon Ets Sa
US4122871A (en) * 1976-07-07 1978-10-31 Mcginley Thomas F Method of weaving and apparatus therefor
CH633591A5 (de) * 1978-12-07 1982-12-15 Rueti Ag Maschf Reihenfachwebmaschine mit einem webrotor.
US4285370A (en) * 1979-07-19 1981-08-25 Mcginley Thomas F Shed retainer
US4351367A (en) * 1980-05-13 1982-09-28 Mcginley Mills, Inc. Beat-up system

Also Published As

Publication number Publication date
ATE27469T1 (de) 1987-06-15
CH657876A5 (de) 1986-09-30
EP0093078A3 (en) 1985-05-29
US4487233A (en) 1984-12-11
DE3371802D1 (en) 1987-07-02
EP0093078A2 (fr) 1983-11-02

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