EP0093078A2 - 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
EP0093078A2
EP0093078A2 EP83810099A EP83810099A EP0093078A2 EP 0093078 A2 EP0093078 A2 EP 0093078A2 EP 83810099 A EP83810099 A EP 83810099A EP 83810099 A EP83810099 A EP 83810099A EP 0093078 A2 EP0093078 A2 EP 0093078A2
Authority
EP
European Patent Office
Prior art keywords
shed
warp threads
weaving
racks
weaving machine
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.)
Granted
Application number
EP83810099A
Other languages
German (de)
English (en)
Other versions
EP0093078B1 (fr
EP0093078A3 (en
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
Maschinenfabrik Rueti AG
Original Assignee
Maschinenfabrik Sulzer Rueti AG
Maschinenfabrik 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, Maschinenfabrik 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 interdental spaces of which serve as guides for the warp threads.
  • 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 displaced 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; 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 arranged by two first ones on the guide plates 5 delimiting the respective tube or second projections 6, 6 'or 7, 7' are formed.
  • 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 arrow II 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 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 for Snap into two diagonally opposite edges of the two rails 8 and 9 provided.
  • 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, 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 lamellae 5.
  • 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 provided with two parallel longitudinal grooves 19 and 20 in 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 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 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 development of two guide combs 3 and 31 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 7, which form and overlap the compartment-holding members, 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 arranged shedding bars 33 and 34 and run from these to the lamella combs.
  • the weaving rotor rotates with its upper one
  • 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 31 with first compartment holding members 6, 6 'for the high shed position and the other two in one get such 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 carrier rods 35, 36 are slidably supported in recesses 38 of fork-like or rake-like carrier members 37 which surround 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
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 true EP0093078A2 (fr) 1983-11-02
EP0093078A3 EP0093078A3 (en) 1985-05-29
EP0093078B1 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)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154148A1 (fr) * 1984-02-21 1985-09-11 GebràœDer Sulzer Aktiengesellschaft Rotor de tissage pour un métier à tisser multiphasé à foule linéaire
EP0456599A1 (fr) * 1990-05-11 1991-11-13 Sulzer RàœTi Ag Métier à tisser multiphasé à foule linéaire
EP0515306A1 (fr) * 1991-05-21 1992-11-25 Sulzer RàœTi Ag Métier à tisser multiphase à foule linéaire
EP0570330A1 (fr) * 1992-05-15 1993-11-18 Sulzer RàœTi Ag Métier à tisser multiphase à foule linéaire
EP0584433A1 (fr) * 1992-08-28 1994-03-02 Sulzer RàœTi Ag Dispositif à tramer pour un métier à tisser multiphase à foule linéaire
EP0612875A1 (fr) * 1993-02-26 1994-08-31 Sulzer RàœTi Ag Dispositif pour la production de dessins dans un métier à tisser multiphase
US5431194A (en) * 1992-05-15 1995-07-11 Sulzer Rueti Ag Series shed loom
KR100850729B1 (ko) * 2000-07-06 2008-08-06 더 트러스티스 오브 콜롬비아 유니버시티 인 더 시티 오브 뉴욕 데이터 해상도를 향상시키는 방법 및 장치

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000986A1 (fr) * 1995-06-22 1997-01-09 SULZER RüTI AG Rotor d'un metier a tisser, dote de lamelles de butee
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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154148A1 (fr) * 1984-02-21 1985-09-11 GebràœDer Sulzer Aktiengesellschaft Rotor de tissage pour un métier à tisser multiphasé à foule linéaire
EP0456599A1 (fr) * 1990-05-11 1991-11-13 Sulzer RàœTi Ag Métier à tisser multiphasé à foule linéaire
EP0515306A1 (fr) * 1991-05-21 1992-11-25 Sulzer RàœTi Ag Métier à tisser multiphase à foule linéaire
US5188154A (en) * 1991-05-21 1993-02-23 Sulzer Brothers Limited Weaving rotor comb fin design for series-shed loom
EP0570330A1 (fr) * 1992-05-15 1993-11-18 Sulzer RàœTi Ag Métier à tisser multiphase à foule linéaire
US5431194A (en) * 1992-05-15 1995-07-11 Sulzer Rueti Ag Series shed loom
EP0584433A1 (fr) * 1992-08-28 1994-03-02 Sulzer RàœTi Ag Dispositif à tramer pour un métier à tisser multiphase à foule linéaire
EP0612875A1 (fr) * 1993-02-26 1994-08-31 Sulzer RàœTi Ag Dispositif pour la production de dessins dans un métier à tisser multiphase
US5441085A (en) * 1993-02-26 1995-08-15 Sulzer Rueti Ag Warp thread insertion device for series-shed looms
KR100850729B1 (ko) * 2000-07-06 2008-08-06 더 트러스티스 오브 콜롬비아 유니버시티 인 더 시티 오브 뉴욕 데이터 해상도를 향상시키는 방법 및 장치

Also Published As

Publication number Publication date
EP0093078B1 (fr) 1987-05-27
CH657876A5 (de) 1986-09-30
EP0093078A3 (en) 1985-05-29
DE3371802D1 (en) 1987-07-02
US4487233A (en) 1984-12-11
ATE27469T1 (de) 1987-06-15

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