EP0448957B1 - Vorrichtung zum Vereinzeln von Litzen für Kettfadeneinziehmaschinen - Google Patents

Vorrichtung zum Vereinzeln von Litzen für Kettfadeneinziehmaschinen Download PDF

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Publication number
EP0448957B1
EP0448957B1 EP91102492A EP91102492A EP0448957B1 EP 0448957 B1 EP0448957 B1 EP 0448957B1 EP 91102492 A EP91102492 A EP 91102492A EP 91102492 A EP91102492 A EP 91102492A EP 0448957 B1 EP0448957 B1 EP 0448957B1
Authority
EP
European Patent Office
Prior art keywords
heald
healds
stack
selecting member
guide
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
EP91102492A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0448957A1 (de
Inventor
Rico Benz
Janos Magdika
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.)
Staeubli AG
Original Assignee
Staeubli 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 Staeubli AG filed Critical Staeubli AG
Publication of EP0448957A1 publication Critical patent/EP0448957A1/de
Application granted granted Critical
Publication of EP0448957B1 publication Critical patent/EP0448957B1/de
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 device for separating strands for warp threading machines, with a dividing element for the strands fed in the form of a stack, which separates the foremost strand from the stack and provides it for the warp thread pulling in.
  • the compartment member is formed by a needle which sticks directly into the foremost strand of the strand stack and subsequently shifts the foremost strand in the longitudinal direction of the strand stack, that is to say in the feed direction, to the retracted position.
  • the strands used are either tapered at their narrow edges at the compartment location, or they must have a so-called keyhole. This means that healds without tapered narrow edges or keyholes have so far not been able to be drawn in automatically.
  • Such a device for strands with tapered narrow edges is known from US 3,121,936.
  • the strands are separated with a wedge-shaped, laterally attached compartment member in the longitudinal direction of the strand stack and moved on.
  • the strands are precisely matched in terms of their thickness to a compartment organ that attaches to the end faces of the strands.
  • the invention is now intended to provide a universally usable device for separating strands, which enables all types of strands to be processed.
  • compartment member is formed by a piston which can be moved transversely to the stack of strands, during its working stroke the foremost strand is positively transported sideways out of the strand stack into an intermediate position.
  • the foremost strand is not pushed further in the feed direction as before, but is moved laterally out of the strand stack.
  • the lifting piston is able to separate all types of strands from the strand stack, so that the strands do not need to be specially prepared. Since the compartments are form-fitting, the strands are fully under control at all times.
  • a preferred further development of the device according to the invention is characterized in that a transfer means is provided in the intermediate position mentioned for transferring the respective strand to a transport unit for transporting the strand to its retracted position.
  • This transfer means represents an interface between the actual compartment device and the transport unit and, with a suitable training, opens up the possibility of being able to interrupt the connection between the compartment device and the transport unit if necessary, for example in the event of faults.
  • the drawing-in machine consists of a base frame 1 and of various assemblies arranged in it, each of which represents a functional module.
  • a warp beam carriage 2 with a warp beam 3 arranged on it can be seen.
  • the warp beam carriage 2 also contains a lifting device 4 for holding a frame 5 on which the warp threads KF are stretched. This clamping takes place before the actual pulling-in and at a location separate from the drawing-in machine, the frame 5 being positioned at the lower end of the lifting device 4 in the immediate vicinity of the warp beam 3.
  • the warp beam carriage 2 with warp beam 3 and lifting device 4 is used for pulling in moved to the so-called upgrade side of the drawing machine and the frame 5 is lifted up by the lifting device 4 and then assumes the position shown.
  • the frame 5 and the warp beam 3 are moved in the longitudinal direction of the base frame 1. With this shifting, the warp threads KF are guided past a thread separation group 6 and separated and divided in the process. After division, the warp threads KF are cut off and presented to a pull-in needle 7, which forms part of the so-called pull-in module.
  • the sectioning device used in the USTER TOPMATIC warp knitting machine (USTER - registered trademark of Zellweger Uster AG), for example, can be used for dividing the warp threads.
  • a monitor 8 which belongs to an operating station and is used to display machine functions and machine malfunctions and for data input.
  • the operating station which forms part of a so-called programming module, also contains an input stage for the manual input of certain functions, such as, for example, crawl gear, start / stop, repetition of operations, and the like.
  • the drawing-in machine is controlled by a control module containing a control computer, which is arranged in a control box 9.
  • This control box contains the control computer for each so-called Main module is a module computer, the individual module computers being controlled and monitored by the control computer.
  • the main modules of the drawing machine are, in addition to the modules already mentioned, drawing module, yarn module, control module and programming module, the strand, the lamella and the sheet module.
  • the thread separating group 6, which presents the warp threads KF to be drawn in to the pull-in needle 7, and the movement path of the pull-in needle 7, which runs vertically to the plane of the stretched warp threads KF, determine a plane in the region of a support 10 forming part of the base frame 1, which supports the already mentioned upgrade side separates from the so-called disassembly side of the drawing machine.
  • the warp threads and the individual elements into which the warp threads are to be fed are fed in on the upgrade side, and the so-called dishes (strands, lamellae and sheets) with the drawn-in warp threads can be removed on the tear-down side.
  • the frame 5 with the warp threads KF and the warp beam carriage 2 with the warp beam 3 are moved past the thread separation group 6 to the right, the pull-in needle 7 successively taking out the warp threads KF stretched on the frame 5.
  • the warp thread guard slats LA Immediately behind the plane of the warp threads KF are the warp thread guard slats LA, behind them the healds LI and even further behind the reed.
  • the lamellae LA are stacked in hand magazines, and the full hand magazines are hung in inclined feed rails 11, on which they are transported to the right, towards the pull-in needle 7. There they are separated and brought into the feed position. After pulling in, the lamellae LA arrive on lamella support rails 12 on the dismantling side.
  • the strands LI are lined up on rails 13 and manually or automatically shifted to a separation stage on them. Then the healds LI are individually brought into their retracted position and, after they have been drawn in, distributed to the corresponding heald frames 14 on the dismantling side. The reed is also moved past the pull-in needle 7 step by step, the corresponding sheet gap being opened for the feed. After it has been drawn in, the sheet is also on the dismantling side. To the right of the heald frames 14 is a part of the reed WB. This illustration is to be understood purely for illustrative purposes, since the reed is of course located on the upgrade page in the position of the frame 5 shown.
  • a so-called crockery trolley 15 is provided on the dismantling side. This is inserted together with the slat support rails 12, heald frames 14 and a holder for the reed into the base frame 1 in the position shown and carries the dishes with the drawn-in warp threads KF after being drawn in. At this time, the warp beam carriage 2 with the warp beam 3 is located directly in front of the dishwashing carriage 15. Now, using the lifting device 4, the dishes are reloaded from the dishwashing carriage 15 onto the warp beam carriage 2, which then carries the warp beam 3 and the pulled-in dishes and to the weaving machine in question or can be moved to an interim storage facility.
  • the mode of operation of the individual assemblies is not the subject of the invention and is therefore not to be explained further here. It is essential that the functions are distributed over several modules and that these modules are practically autonomous machines that are controlled by a common control computer.
  • the cross-connections between the individual modules run via this higher-level control computer, and there are no direct cross-connections between the individual modules. If you look at the structure of the feeding machine described, the feeding machine system receives feed data, control data, tableware and yarn as well as energy and supplies prepared operating data, status information and the tableware being pulled in.
  • FIGS. 3 and 4 each show a view on a scale of 1: 1.
  • the strands LI are lined up on rails 13 and are automatically or manually shifted to the separating stage SP.
  • the direction of displacement is designated by an arrow A in FIG. 2, the displacement preferably takes place automatically.
  • the strand stack LS lies on the one narrow edge of the strand LI on a guide rail 16, along which the displacement takes place.
  • a transport means is arranged which displaces the strand stack LS in the direction of arrow A.
  • this means of transport is formed by a brush-like roller 17 which engages on the front narrow edge of the strands LI and has a brush-like or plush-like or elastic covering which is suitable for carrying the strands on its jacket.
  • a brush-like roller 17 which engages on the front narrow edge of the strands LI and has a brush-like or plush-like or elastic covering which is suitable for carrying the strands on its jacket.
  • the roller 17 rotates in the direction of rotation indicated by an arrow B
  • the strands LI are pushed in the direction of the arrow A.
  • a conveyor belt stretched over two rollers can also be used be, which is either provided with a suitable covering or with individual, preferably brush-like, driving elements.
  • a guide rail 18 is also arranged in the region of the front narrow edge of the strands LI, which has an oblique, funnel-like inlet section, so that the strands LI are supplied to the separation stage in an orderly manner in a guide channel formed by the two guide rails 16 and 18.
  • the foremost heald LI1 of the heald stack LS is separated or separated from this and transferred to a transport unit, which brings the individual healds one after the other to the pull-in position in which the warp thread is drawn in.
  • Two separation stages SP are provided, one of which acts on the strands LI in the region of the upper end and the other in the region of the lower end (see FIG. 3). Both separation stages are driven synchronously.
  • a stop element running transversely to this is arranged, which is formed by a rib 20 projecting from an essentially prismatic guide body 19.
  • the distance from the removal end of the guide channel is selected such that the foremost strand LI1 resting on the rib 20 is located completely outside the guide channel.
  • the distance between rib 20 and guide channel is adjustable; the setting is preferably carried out by replacing the guide body 19, various guide bodies 19 being available in which the stop surface of the ribs 20 is graduated to different degrees from the corresponding base surface of the guide body 19. In practice, three to four guide bodies 19 of this type are sufficient, with which the entire range of the strand thicknesses that occur can be covered.
  • the foremost strand LI1 is therefore in the region of the rib 20 outside the guide channel, but its end loops are still held on the rails 13. Now the separation, that is, the separation of the foremost strand LI1 from the strand stack LS takes place, for which purpose the middle part of the foremost strand LI1 lying between the end loops is pushed laterally out of the strand stack. This pushing out takes place by a piston-like compartment member 21, which is mounted in the guide body 19 transversely to the longitudinal direction of the strands LI and transversely to their guide direction A and During its working stroke in the direction of arrow C, the middle part of the foremost strand LI1 is positively pushed away from the strand stack LS into the intermediate position ZP shown in broken lines.
  • the mentioned middle part slides along a guide plane 22 until it comes to a stop at a stop 23.
  • the braid is held at its end loops by the rails 13 and in the region of its middle part between the stop 23 and the front edge of the compartment member 21.
  • a plunger 24 Arranged below the guide plane 22 is a plunger 24 which can be displaced in the direction of the arrow D and the end face of which is slightly set back in relation to the guide plane 22 against the direction of the arrow D.
  • the plunger 24 is now moved in the direction of arrow D and shifts the central part of the strand LI1 from the intermediate position ZP on an inclined path parallel to the inclined end face of the rib 20 to a transfer position UP shown in broken lines.
  • the middle part of the strand bent during the separation relaxes again and returns to its straight position in the transfer position UP.
  • the transfer position UP If one compares the transfer position UP with the starting position before the separation, then only a shift in the transport direction A has taken place between these two positions, via the detour of the intermediate position ZP, the braid being positively guided during the entire shift is.
  • the heald with its end loops is no longer held by the rails 13, but instead is placed on needle-like holding means 25, which form part of a transport unit for transporting the heald to the retracted position.
  • the plunger 24 is moved back into its starting position and the compartment member 21, which has already moved back to its starting position against the direction of the arrow C during the transport stroke of the plunger 24, can carry out a new working stroke and thereby separate the next strand LI from the strand stack LS.
  • FIGS. 3 and 4 show, partly in section, a scale representation of the two separation stages SP and their arrangement.
  • Each of the separation stages SP is attached to a carrier 26, of which only that for the upper separation stage is shown in the figure.
  • the compartment member 21, which is carried by a pneumatically drivable piston 27, can be seen on the right side of the strand LI in FIG. 3.
  • the piston 27 is mounted in a housing 28 provided with compressed air connections.
  • the compartment member 21 is guided in the guide body 19 and is penetrated by a stop pin 29 to limit its stroke.
  • the compartment organ In the area of its front part, which separates the strand LI, the compartment organ is U-shaped and engages around the rib 20.
  • a first component 30, consisting of a base body 31 fastened on the carrier 26 and a sensor 32 fastened thereon with a contact spring 33 (see FIG. 4), is also a second one component 34 fastened on the carrier 26 with guide plane 22 and stop 23, and the guide rail 16.
  • the sensor 32 is used to detect the strand separation, in that the contact spring 33 is pressed against the sensor 32 by the strand LI when it is displaced into the intermediate position ZP.
  • the movement of the compartment member 21 and the movement of the ram 24 are monitored by sensors. If one of these sensors does not respond, the function in question is repeated.
  • a further piston housing 35 is fastened to the carrier 26, in which a pneumatically drivable piston 36 is mounted.
  • This piston is connected in an articulated manner to a knife-like pivot lever 37, which is pivoted into the plane of the strands LI when the piston 36 is actuated, in order to mechanically separate strands adhering to each other from the strand eyes LA.
  • the adjustment path of the pivot lever 37 is limited by a stop 38, the position of which is designed for the maximum length of the strands LI used. If, as indicated in FIG. 3, shorter strands are to be processed, an additional stop bolt, shown in dash-dot lines, is placed on the carrier 26 39 mounted in order to limit the adjustment path of the pivot lever 37 to the upper of the two end positions, which are also shown in broken lines.
  • the plunger 24 is arranged on the inside of the two separation stages, that is, below the upper and above the lower separation stage SP. According to the illustration, the longitudinal axis of the essentially prismatic plunger 24 lies obliquely to the feed direction A of the strands LI and its end face contacting the strands LI runs accordingly obliquely to the longitudinal axis, or in other words, parallel to the longitudinal axis of the compartment member 21 (arrow C).
  • the plunger 24 has a longitudinal slot 40 which engages around a bolt 41 which serves to guide it during its lifting movement.
  • a piston 43 which is pneumatically driven and is mounted in a piston housing 42, is used to drive the plunger 24.
  • the device described for separating the strands is preferably designed such that the entire device, that is to say the separating step, together with the strand support rails and the transport means for feeding the strands, is mounted on a common base frame.
  • This base frame is designed to be mobile and can therefore be easily inserted into the Warp threading machine can be driven in.
  • the various functions of the individual parts such as compartment member 21, plunger 24, swivel lever 37 are controlled separately, the various functional sequences are synchronized via the module computer of the stranded module.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
  • Looms (AREA)
  • Warping, Beaming, Or Leasing (AREA)
  • Knitting Machines (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP91102492A 1990-03-06 1991-02-21 Vorrichtung zum Vereinzeln von Litzen für Kettfadeneinziehmaschinen Expired - Lifetime EP0448957B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH706/90A CH680933A5 (enrdf_load_stackoverflow) 1990-03-06 1990-03-06
CH706/90 1990-03-06

Publications (2)

Publication Number Publication Date
EP0448957A1 EP0448957A1 (de) 1991-10-02
EP0448957B1 true EP0448957B1 (de) 1995-06-28

Family

ID=4193274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91102492A Expired - Lifetime EP0448957B1 (de) 1990-03-06 1991-02-21 Vorrichtung zum Vereinzeln von Litzen für Kettfadeneinziehmaschinen

Country Status (15)

Country Link
US (1) US5184380A (enrdf_load_stackoverflow)
EP (1) EP0448957B1 (enrdf_load_stackoverflow)
JP (1) JP2913430B2 (enrdf_load_stackoverflow)
KR (1) KR0173464B1 (enrdf_load_stackoverflow)
AT (1) ATE124476T1 (enrdf_load_stackoverflow)
AU (1) AU641979B2 (enrdf_load_stackoverflow)
CA (1) CA2035273C (enrdf_load_stackoverflow)
CH (1) CH680933A5 (enrdf_load_stackoverflow)
CZ (1) CZ280498B6 (enrdf_load_stackoverflow)
DE (1) DE59105816D1 (enrdf_load_stackoverflow)
DK (1) DK0448957T3 (enrdf_load_stackoverflow)
ES (1) ES2073600T3 (enrdf_load_stackoverflow)
PT (1) PT96941A (enrdf_load_stackoverflow)
RU (1) RU2092635C1 (enrdf_load_stackoverflow)
SK (1) SK280224B6 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1241799B (it) * 1990-09-25 1994-02-01 El & M S R L Soc Metodo e dispositivo per la selezione delle maglie dei licci in una macchina incorsatrice automatica.
CH687027A5 (de) * 1992-03-11 1996-08-30 Staeubli Ag Zweigwerk Sargans Lamellensepariervorrichtung fuer Kettfadeneinziehmaschinen.
CH687542A5 (de) * 1993-09-13 1996-12-31 Staeubli Ag Zweigwerk Sargans Vorrichtung zur selektiven Uebergabe von Litzen.
CH687714A5 (de) * 1993-09-13 1997-01-31 Stsubli Ag Zweigwerk Sargans Vorrichtung zur Handhabung von Litzen fuer Kettfadeneinziehmaschinen.
CH687881A5 (de) * 1993-09-13 1997-03-14 Staeubli Ag Zweigwerk Sargans Litzensepariervorrichtung fuer Kettfadeneinziehmaschinen.
JPH09170144A (ja) * 1995-12-20 1997-06-30 Hamamatsu Photonics Kk フラットヘルド用ストッカ
US5839606A (en) * 1996-02-09 1998-11-24 Hamamatsu Photonics K.K. Method/apparatus for separating wire healds
TW403797B (en) * 1997-09-23 2000-09-01 Staeubli Ag Pfaeffikon Method and apparatus for singularizing healds
IT1308271B1 (it) * 1999-04-14 2001-12-10 Patcorp S A Metodo ed apparato per incorsatura automatica
WO2000068479A1 (de) * 1999-05-07 2000-11-16 Stäubli Ag Pfäffikon Vorrichtung und verfahren zur übergabe von vereinzelten webgeschirrelementen an eine transporteinrichtung
EP1870501A1 (de) * 2006-06-23 2007-12-26 Stäubli AG Pfäffikon Vorrichtung zum Separieren von Fäden aus einer Fadenschicht, Verfahren zum Betreiben der Vorrichtung und Verwendung der Vorrichtung
JP4900306B2 (ja) * 2008-04-03 2012-03-21 株式会社豊田自動織機 ドローイングマシン
EP2199443B1 (de) * 2008-12-19 2016-03-16 Stäubli AG Pfäffikon Mobile Einzieheinheit
CN106048866B (zh) * 2016-07-29 2017-12-01 江阴市通源纺机有限公司 自动综丝分离机构
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
ES2913789T3 (es) * 2019-06-19 2022-06-06 Groz Beckert Kg Dispositivo y procedimiento para manipular accesorios de tejeduría

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1215789A (en) * 1904-02-10 1917-02-13 American Warp Drawing Machine Co Warp-drawing machine and mechanism for manipulating detached heddles therein.
US1149137A (en) * 1908-10-19 1915-08-03 American Wasp Drawing Machine Company Detached heddles and means and method for assembling and handling the same.
US1756814A (en) * 1924-02-14 1930-04-29 Barber Colman Co Heddle-handling mechanism
US3121936A (en) * 1959-08-31 1964-02-25 Zellwerger Ltd Method and apparatus for automatically threading the healds of a loom
US3103056A (en) * 1961-09-11 1963-09-10 Barber Coleman Company Warp drawing-in machine
DK127013B (da) * 1971-06-17 1973-09-10 Titan Textile Machines As Apparat til enkeltvis udskillelse af lidser eller lameller fra en række lidser eller lameller.
US4047270A (en) * 1974-09-04 1977-09-13 Lindauer Dornier Gesellschaft Mbh. Apparatus for separating objects
DE3143484C2 (de) * 1981-11-03 1983-09-29 Lindauer Dornier Gmbh, 8990 Lindau Vorrichtung zum Vereinzeln von Weblitzen oder Lamellen
JPS6420358A (en) * 1987-07-10 1989-01-24 Teijin Seiki Co Ltd Heald magazine
JPS6420359A (en) * 1987-07-10 1989-01-24 Teijin Seiki Co Ltd Heald transfer apparatus

Also Published As

Publication number Publication date
JPH04361649A (ja) 1992-12-15
CA2035273A1 (en) 1991-09-07
CH680933A5 (enrdf_load_stackoverflow) 1992-12-15
US5184380A (en) 1993-02-09
DK0448957T3 (da) 1995-10-30
EP0448957A1 (de) 1991-10-02
AU7109091A (en) 1991-09-12
DE59105816D1 (de) 1995-08-03
AU641979B2 (en) 1993-10-07
RU2092635C1 (ru) 1997-10-10
ES2073600T3 (es) 1995-08-16
CA2035273C (en) 2000-06-27
CZ280498B6 (cs) 1996-02-14
PT96941A (pt) 1993-01-29
ATE124476T1 (de) 1995-07-15
KR910016997A (ko) 1991-11-05
KR0173464B1 (ko) 1999-02-18
SK280224B6 (sk) 1999-10-08
CS9100560A2 (en) 1991-10-15
JP2913430B2 (ja) 1999-06-28

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