EP0421943B1 - Procédé de rentrage automatique des fils de chaîne et machine pour la mise en oeuvre dudit procédé - Google Patents

Procédé de rentrage automatique des fils de chaîne et machine pour la mise en oeuvre dudit procédé Download PDF

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Publication number
EP0421943B1
EP0421943B1 EP90830374A EP90830374A EP0421943B1 EP 0421943 B1 EP0421943 B1 EP 0421943B1 EP 90830374 A EP90830374 A EP 90830374A EP 90830374 A EP90830374 A EP 90830374A EP 0421943 B1 EP0421943 B1 EP 0421943B1
Authority
EP
European Patent Office
Prior art keywords
wire
comb
harnesses
fact
return
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
EP90830374A
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German (de)
English (en)
French (fr)
Other versions
EP0421943A1 (fr
Inventor
Fabrizio Gironi
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.)
PATCORP S.A.
Original Assignee
El & M Srl
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Filing date
Publication date
Application filed by El & M Srl filed Critical El & M Srl
Priority to AT90830374T priority Critical patent/ATE104373T1/de
Publication of EP0421943A1 publication Critical patent/EP0421943A1/fr
Application granted granted Critical
Publication of EP0421943B1 publication Critical patent/EP0421943B1/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
    • D03J1/14—Apparatus for threading warp stop-motion droppers, healds, or reeds

Definitions

  • the present invention relates to a method for the automatic retraction of warp threads and to a machine for implementing said method.
  • US Pat. No. 3,867,745 describes a process for re-entering threads of reduced length through the weaving elements of a loom, in a predetermined sequence, leaving the end of each thread for knotting the thread on the of the chain.
  • US Pat. No. 3,787,938 describes a device for tucking in threads of reduced length through the weaving elements of a loom, in a predetermined sequence, leaving the end of each thread for the knotting the thread on the warp beam.
  • the object of the present invention is to propose an automatic method of retracting the warp yarns for flat, open healds and a machine for implementing said method which is autonomous in its operation and therefore of reduced cost.
  • said pieces of wire are obtained from a spool or from two spools of different color.
  • the advantages obtained thanks to the invention essentially consist in the fact that the tuck-in threads are obtained from a coil and therefore allow the elimination of the use of the warp beam and the corresponding accessories; that the wire used can be chosen as being the most suitable for tuck-in, especially with regard to its resistance, and thus making it possible to eliminate or at least to minimize breakage; that it is possible to prepare the trade in advance, that is to say even in the absence of a chain or for the production of samples; that the preparation operations are simpler and more economical compared to those required by the automatic machines known today, owing to the fact that they are limited to the positioning of the heald frames and of the comb, to the knotting and the laying of the strips , which can be done by any unskilled worker; that it is possible to quickly enter a large number of heddles and to arrange them according to any programmed storage.
  • FIG. 1 shows a schematic plan view of an automatic take-in machine according to the invention
  • FIG. 2 shows the detailed view of a heddle for the re-entry machine of FIG. 1
  • - FIG. 3 shows the detailed view of a heald in the heald frame corresponding with the thread passed through the eyelet
  • FIG. 4 shows the schematic view of the heald pack and the comb after tuck-in, passage and tacking
  • FIG. 5 shows the feed group of the pieces of wire
  • FIG. 5A shows the detailed view of the gunner wire for the group in Fig. 5
  • - FIG. 5B shows the detailed view of the derailleur for the group in FIG. 5
  • FIGS. 6A-6H show, schematically, the phases of forming a piece of wire folded in half and of passing the two wires; detail of the functioning of the wire clamp with shears for the group of FIG. 5;
  • - FIG. 6L schematically represents, the detail of the operation of the wire clamp with shears for the group of FIG. 5;
  • FIG. 7 shows the detailed view of the wire clamp and the loading device for the group in FIG. 5;
  • FIG. 7A shows the operation of the wire clamp and the diverter for the group of FIG.
  • FIG. 9 shows the detailed view of a beam selector
  • - FIG. 10 shows the sectional view along line AA of FIG. 9
  • - FIG. 11 shows the side view of the selector of FIG. 9
  • - FIG. 12A-12G represent, in succession, the phases of selection of a boom with the selector of FIG. 9
  • FIG. 13 shows the detailed front view of a wedge-shaped selector
  • - FIG. 14 shows the side view of the selector of FIG. 13
  • FIG. 15A shows the sectional view along line AA of FIG. 13; - FIG.
  • FIG. 22 shows the detailed view of the control of the needle of the switch of FIG. 21; - FIG. 23 shows the overview of the actuation means; - FIG. 24 shows the detailed view of the beam transport means; - FIG. 25 shows the side view of the means of FIG. 24.
  • the two parts of each piece of wire have approximately the same length and extend so as to present an approximately vertical section and an approximately horizontal section, the head and tail portions. of each piece belonging to said second section.
  • said threading 5 ' provides for tensioning a cord 54' inside the loop formed by each piece of wire and to move alternately up and down, relative to the plane of tuck-in, a second cord 54 stretched perpendicular to the wires 5 'of tuck-in, with inversion of the movement with each wire 5' tucked in: said cord 54 being movable longitudinally, with distance from the retraction head, or otherwise immobile longitudinally.
  • a closed ring belt extending horizontally and whose movement is such that its lower part, on which are placed on the pieces of wire, moves from left to right in Fig. 5.
  • the group for positioning the comb 16 relative to the passette 17, and with reference to FIGS. 18.19A of the accompanying drawings, includes: -a comb 16 mounted with the teeth in a vertical position on a carriage 35 free to slide on a horizontal track 56, parallel to the heddle frames 2 and whose displacement forward intermittent is obtained from an electric motor 34 with the cooperation of a clutch 33 and so that the clutch 33, when the electric motor 34 is deactivated, first of all releases the carriage 35 with the comb 16 during the separation of the teeth by the spacer 32, then blocks the carriage 35 during the passage of the wire and the retraction of the spacer 32, and finally, when the electric motor 34 is actuated, allows the carriage to be moved forward 35 with a pitch equal to that of the teeth of the comb 16.
  • the operation is as follows.
  • the service selector 10 takes a rail 30 from one of the channels 11 and the vice 65 positions it with the eyelet 25 opposite the slot 97 'of the corresponding stop 97; simultaneously, the comb 16 is positioned with the teeth to pass opposite the free end of the passette 17 and with the spacer element 32 inserted between these teeth; after which the passette 17, in its forward stroke, is introduced between the teeth of the comb thus spaced apart, then the slot of the stop 97 and finally in the eyelet 25 of the stringer 30 until it reaches and takes the wire 5 ' which is provided to it by the display element of the wire 48; in the return stroke, the passette 17 retracts the heald and passes through the comb, after which it is stripped of the thread by the thread removal element 19.
  • the needle 14 of the 'switch 22, corresponding to the selector 10 which took the heald 30, predisposes the transfer thereof to the heald frame 2 of the corresponding group of frames which is predetermined by the handing-over and the pusher 73, which is associated with the pusher 73, the vice 65, the element for removing the wire 19 and the passette 17 is obtained by means of a variable speed motor 120 with interposition of the belt 121, the cams 111,114,116 and the rocker arms 104- 106 as illustrated in Figs. 23 to 25 of the accompanying drawings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Looms (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Treatment Of Fiber Materials (AREA)
EP90830374A 1989-09-29 1990-08-10 Procédé de rentrage automatique des fils de chaîne et machine pour la mise en oeuvre dudit procédé Expired - Lifetime EP0421943B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90830374T ATE104373T1 (de) 1989-09-29 1990-08-10 Verfahren und vorrichtung zum automatischen einziehen von kettfaeden.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT953489 1989-09-29
IT8909534A IT1233750B (it) 1989-09-29 1989-09-29 Metodo di incorsatura automatica e macchina per attuare il detto metodo

Publications (2)

Publication Number Publication Date
EP0421943A1 EP0421943A1 (fr) 1991-04-10
EP0421943B1 true EP0421943B1 (fr) 1994-04-13

Family

ID=11131786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90830374A Expired - Lifetime EP0421943B1 (fr) 1989-09-29 1990-08-10 Procédé de rentrage automatique des fils de chaîne et machine pour la mise en oeuvre dudit procédé

Country Status (8)

Country Link
US (1) US5136762A (it)
EP (1) EP0421943B1 (it)
JP (1) JP2942611B2 (it)
AT (1) ATE104373T1 (it)
DE (1) DE69008100T2 (it)
DK (1) DK0421943T3 (it)
ES (1) ES2055403T3 (it)
IT (1) IT1233750B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682577A5 (de) * 1990-09-17 1993-10-15 Zellweger Uster Ag Vorrichtung zur Handhabung von Litzen oder Lamellen in einer Kettfadeneinziehmaschine.
CH682929A5 (de) * 1991-02-22 1993-12-15 Zellweger Uster Ag Vorrichtung zum Einziehen von Kettfäden in ein Webblatt.
TW216808B (it) * 1991-10-24 1993-12-01 Teijin Ltd
CH687714A5 (de) * 1993-09-13 1997-01-31 Stsubli Ag Zweigwerk Sargans Vorrichtung zur Handhabung von Litzen fuer Kettfadeneinziehmaschinen.
CH690783A5 (de) * 1995-12-21 2001-01-15 Staeubli Ag Zweigwerk Sargans Verfahren und Vorrichtung zum Einziehen von Kettfäden.
IT1286547B1 (it) * 1996-02-09 1998-07-15 El & M S P A Metodo e dispositivo per la passatura dei fili attraverso i denti di un pettine doppio in una macchina incorsatrice automatica
PT1292728E (pt) * 2000-06-20 2007-03-30 Staeubli Ag Pfaeffikon Rota pode se definida em função do sinal
US20030121131A1 (en) * 2001-12-03 2003-07-03 Japan Storage Battery Co., Ltd. Apparatus for producing a grid for a battery plate, and method of producing the same
EP2199443B1 (de) 2008-12-19 2016-03-16 Stäubli AG Pfäffikon Mobile Einzieheinheit
WO2010150582A1 (ja) * 2009-06-25 2010-12-29 株式会社藤堂製作所 種糸としての経糸の自動引込み装置、及び種糸としての経糸の自動引込み方法
EP2730687B1 (de) * 2012-11-08 2015-09-16 Groz-Beckert KG Litze für eine Webmaschine, insbesondere eine Rundwebmaschine
CN103590172B (zh) * 2013-11-25 2015-06-03 天津工业大学 碳纤维多层角联织机的收纱装置
CN106087210B (zh) * 2016-07-29 2017-10-24 江阴市通源纺机有限公司 自动纱线穿综设备
PT3754071T (pt) * 2019-06-17 2022-05-11 Groz Beckert Kg Método, dispositivo, carro móvel e máquina de remeter
EP3754070B1 (de) 2019-06-17 2023-06-07 Groz-Beckert KG Vorrichtung und verfahren zur handhabung von webgeschirrelementen
EP3754074B1 (de) 2019-06-19 2024-01-03 Groz-Beckert KG Vorrichtung und verfahren zur handhabung von webgeschirrelementen
EP3754072B1 (de) * 2019-06-19 2022-03-02 Groz-Beckert KG Vorrichtung zur handhabung von webgeschirrelementen und einziehmaschine
ES2913789T3 (es) * 2019-06-19 2022-06-06 Groz Beckert Kg Dispositivo y procedimiento para manipular accesorios de tejeduría

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828527A (en) * 1954-08-18 1958-04-01 Zellweger Uster Ag Device for presenting healds to a hook for drawing-in warp threads
US3121936A (en) * 1959-08-31 1964-02-25 Zellwerger Ltd Method and apparatus for automatically threading the healds of a loom
CH479735A (de) * 1968-12-20 1969-10-15 Zellweger Uster Ag Webketteneinziehmaschine
FR2076681A5 (en) * 1970-01-23 1971-10-15 Blin Et Blin Warping machine for loom - supplies short lengths of warp yarn
GB1352332A (en) * 1970-02-03 1974-05-08 Wool Ind Res Assoc Production of woven structures
US3787938A (en) * 1972-06-12 1974-01-29 Barber Colman Co Method and apparatus for drawing in warp threads
US3867745A (en) * 1972-06-12 1975-02-25 Barber Colman Co Method for drawing in warp threads
JPS6420359A (en) * 1987-07-10 1989-01-24 Teijin Seiki Co Ltd Heald transfer apparatus

Also Published As

Publication number Publication date
IT8909534A0 (it) 1989-09-29
DE69008100D1 (de) 1994-05-19
ATE104373T1 (de) 1994-04-15
EP0421943A1 (fr) 1991-04-10
US5136762A (en) 1992-08-11
JPH03227434A (ja) 1991-10-08
JP2942611B2 (ja) 1999-08-30
DK0421943T3 (da) 1994-08-08
IT1233750B (it) 1992-04-14
DE69008100T2 (de) 1994-11-17
ES2055403T3 (es) 1994-08-16

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