EP0325508A1 - Spulengatter für eine Strickmaschine - Google Patents

Spulengatter für eine Strickmaschine Download PDF

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Publication number
EP0325508A1
EP0325508A1 EP89400085A EP89400085A EP0325508A1 EP 0325508 A1 EP0325508 A1 EP 0325508A1 EP 89400085 A EP89400085 A EP 89400085A EP 89400085 A EP89400085 A EP 89400085A EP 0325508 A1 EP0325508 A1 EP 0325508A1
Authority
EP
European Patent Office
Prior art keywords
wire
tensioner
creel
tension
path
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.)
Withdrawn
Application number
EP89400085A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Matthelie
Denis Perrin
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.)
Institut Textile de France
Original Assignee
Institut Textile de France
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 Institut Textile de France filed Critical Institut Textile de France
Publication of EP0325508A1 publication Critical patent/EP0325508A1/de
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/40—Holders or supports for thread packages
    • D04B15/42—Frames for assemblies of two or more reels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B65H49/04—Package-supporting devices
    • B65H49/14—Package-supporting devices for several operative packages
    • B65H49/16—Stands or frameworks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/12—Tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to the supply of knitting looms, in particular rectilinear knitting looms, from a creel supporting the spools of thread. It relates more particularly to a creel having for each wire a particular path between the coil and the outlet eyelet corresponding to this wire.
  • the feed block for rectilinear knitting looms consists of a structural element integrated into the loom comprising on the one hand a horizontal plate supporting reels, and making approximately the length of the loom and on the other hand a set of reminders- wires placed partly above the tray and partly on the lateral sides of the loom corresponding to the wire supply.
  • the knitting carriage moves, the thread is taken from the spool, and follows a path which is determined by the position of the spool on the plate.
  • the above-mentioned cantres do not allow guide the wire, even when the call ceases, in a straight and taut state between the creel and the loom, in particular in the case of looms that do not have wire suppliers.
  • the wire which stores energy during its movement undergoes a jerk during each stop and this jerk can project the wire forward.
  • the wire After stopping, the wire has a curved configuration between the creel and the loom, which can cause soiling if the curvature of the wire is such that it drags to the ground, tangles of neighboring wires, and also defects in knitting if the thread has a tendency to twist.
  • This creel is of the type known in that it comprises a frame independent of the trade on which are mounted, for each wire to be supplied from the creel, one or two reel supports, a wire outlet eyelet and a guide tube .
  • it also comprises for each wire a tensioner fixed on the external face of the frame intended to be placed near one of the lateral sides corresponding to the supply of wires to the loom, and the guide tube a, on the path of the wire between the reel support and the tensioner, a substantially vertical upstream part, a substantially horizontal intermediate part and a substantially vertical downstream part and opening in the immediate vicinity of the tensioner, the three parts being connected together by elbows.
  • the creel according to the invention has three stages, on each of which are mounted a supply coil support and a reserve coil support. It is a small modular creel for the storage of six spools, three during knitting and three in reserve.
  • a module of this type makes it possible to feed three wire guides with a single wire per mesh. By placing two modules of this type on the side of the loom, six wire guides can be supplied with one wire per mesh or three wire guides with two wires per mesh or two wire guides with three wires per mesh. Other combinations with more than three assembled yarns can be envisaged.
  • the creel also comprises, on the path of each wire between the tensioner and the output eyelet, a wire reminder associated or not with a wire fault detection device, in particular of knots and breakages of wires.
  • a wire reminder associated or not with a wire fault detection device, in particular of knots and breakages of wires.
  • each tensioner it is desirable for each tensioner to be accompanied by automatic regulation means as a function of the variation in the tension of the corresponding thread.
  • the tensioner is a cup tensioner, fitted with a motor with two directions of rotation and a detection device is provided on the path of the wire between the tensioner and the exit eyelet. of the variation in the tension of the wire, connected to motor control means controlling the rotation of the motor in the direction of bringing the cups closer when the detection device detects a reduction in the tension beyond a certain threshold , and vice versa in the direction of a loosening of cups when the detection device detects an increase in voltage above a certain threshold.
  • the canter frame consists of an assembly of four vertical uprights 1,1 ′ and twelve crosspieces 2 forming a rigid frame at three levels.
  • On each set of four sleepers 2a, 2b and 2c is placed a plate on the upper part of which are fixed two supports 3 of coil 4.
  • the creel comprises three groups 3a, 3b, 3c of two supports or six supports for the six reels 4 of wire, three spools (one per level) being in service while the other three are in reserve.
  • the two uprights 1 ′ On the face of the creel which is intended to be placed near the wire supply side, the two uprights 1 ′ have a greater height than that of the other two uprights 1 and their upper end is connected by a thirteenth crosspiece 5.
  • the first 6a is used for guiding the wire coming from the coils supported by the upper plate 2a
  • the second 6b for guiding the wire coming from the coils supported by the intermediate plate 2b
  • the third 6c for guiding the wire coming from the coils supported by the lower plate 2c.
  • the end of the tube corresponding to the entry of the wire coming from a spool of a given level is placed at the top of the level.
  • each tube is offset from each other over the width of the creel, the tube 6a being surrounded by the tubes 6b and 6c, and the supports 3 are oriented towards the end of the tube corresponding.
  • each coil 4 is positioned on its support 3 by a centering hub.
  • each tensioner 10a, 10b, 10c On the plate 9, fixed transversely to the upper part of the uprights 1 ′, are mounted three tensioners 10a, 10b, 10c with cups, positioned so that the wire coming from the downstream end of the tubes 6a, 6b or 6c passes between the cups in its vertical downward path.
  • Each tensioner is equipped with a two-directional motor of rotation allowing the two cups to be brought closer or apart automatically and therefore to adjust the tension of the corresponding thread.
  • Each set consists of two fixed rollers and a movable roller, placed so that the wire 11 from the tensioner 10 passes successively on a first fixed caster 12, on the movable caster 13 and on a second stationary caster 14 before being directed to the loom 15.
  • the casters can be replaced by guides in porcelain or ceramic.
  • the movable caster 13 pulls on the thread with a constant force and any variation in the tension of the thread displaces the caster 13 and any displacement beyond a certain threshold controls the rotation of the tensioner motor 10, as described in the European patent N ° 108.660 of the plaintiff, the teaching of which forms an integral part of this description.
  • the creel according to the invention can also support other members, not shown in the drawing, such as wire reminders, breakage detectors, node detectors, in particular on the path of the wire 11 between the tensioner 10 and the detection device. voltage variation.
  • the frame can be mounted on one side on wheels 17, provided with locking members not shown, facilitating the displacement of the modular creel for example from one loom to another or for interventions on the side of the loom.
  • the electrical supply of the regulation system and the safety devices is ensured by an electrical connection with the knitting machine itself.
  • the invention is not limited to the embodiment of the creel which has just been described by way of example. It is up to the person skilled in the art to determine the number of coil supports, of stages, of the distribution of the guide tubes, depending in particular on the space available around the looms, and on the number of wires to be supplied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Looms (AREA)
EP89400085A 1988-01-11 1989-01-11 Spulengatter für eine Strickmaschine Withdrawn EP0325508A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8800459 1988-01-11
FR8800459A FR2625755B1 (fr) 1988-01-11 1988-01-11 Cantre perfectionne pour metier a tricoter

Publications (1)

Publication Number Publication Date
EP0325508A1 true EP0325508A1 (de) 1989-07-26

Family

ID=9362369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400085A Withdrawn EP0325508A1 (de) 1988-01-11 1989-01-11 Spulengatter für eine Strickmaschine

Country Status (2)

Country Link
EP (1) EP0325508A1 (de)
FR (1) FR2625755B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864281A2 (de) * 1997-03-15 1998-09-16 Herbert SCHÜLE Abwickelvorrichtung
CN109629140A (zh) * 2019-01-29 2019-04-16 太仓科力特金属构件科技有限公司 一种新型纱架

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432117A (en) * 1967-05-24 1969-03-11 Union Carbide Corp Modular creel apparatus including strand guides
FR2084736A5 (de) * 1970-03-17 1971-12-17 Morat Gmbh Franz
DE2360507A1 (de) * 1973-12-05 1975-06-19 Nino Ag Spulengatter
DE2939800A1 (de) * 1979-10-01 1981-04-16 Hans 8581 Mistelbach Maisel Spulentraeger fuer strickmaschinen
DE3429153A1 (de) * 1983-08-10 1985-02-28 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Textilmaschine
EP0240799A1 (de) * 1986-03-21 1987-10-14 UNIVERSAL Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG Verfahren und Vorrichtung zum Beeinflussen der Länge und des Maschenbildes von Strickstücken

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432117A (en) * 1967-05-24 1969-03-11 Union Carbide Corp Modular creel apparatus including strand guides
FR2084736A5 (de) * 1970-03-17 1971-12-17 Morat Gmbh Franz
DE2360507A1 (de) * 1973-12-05 1975-06-19 Nino Ag Spulengatter
DE2939800A1 (de) * 1979-10-01 1981-04-16 Hans 8581 Mistelbach Maisel Spulentraeger fuer strickmaschinen
DE3429153A1 (de) * 1983-08-10 1985-02-28 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Textilmaschine
EP0240799A1 (de) * 1986-03-21 1987-10-14 UNIVERSAL Maschinenfabrik Dr. Rudolf Schieber GmbH & Co. KG Verfahren und Vorrichtung zum Beeinflussen der Länge und des Maschenbildes von Strickstücken

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864281A2 (de) * 1997-03-15 1998-09-16 Herbert SCHÜLE Abwickelvorrichtung
EP0864281A3 (de) * 1997-03-15 1999-11-17 Herbert SCHÜLE Abwickelvorrichtung
CN109629140A (zh) * 2019-01-29 2019-04-16 太仓科力特金属构件科技有限公司 一种新型纱架
CN109629140B (zh) * 2019-01-29 2024-03-19 太仓科力特金属构件科技有限公司 一种新型纱架

Also Published As

Publication number Publication date
FR2625755A1 (fr) 1989-07-13
FR2625755B1 (fr) 1990-08-17

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