EP2540885A2 - Dispositif de formation d'un bord de gaze - Google Patents

Dispositif de formation d'un bord de gaze Download PDF

Info

Publication number
EP2540885A2
EP2540885A2 EP12003912A EP12003912A EP2540885A2 EP 2540885 A2 EP2540885 A2 EP 2540885A2 EP 12003912 A EP12003912 A EP 12003912A EP 12003912 A EP12003912 A EP 12003912A EP 2540885 A2 EP2540885 A2 EP 2540885A2
Authority
EP
European Patent Office
Prior art keywords
head
pair
frame
needles
coil
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
EP12003912A
Other languages
German (de)
English (en)
Other versions
EP2540885B1 (fr
EP2540885A3 (fr
Inventor
Kurt Hockemeyer
Christoph Dr. Schwemmlein
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.)
Gebrueder Kloecker GmbH
Original Assignee
Gebrueder Kloecker GmbH
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 Gebrueder Kloecker GmbH filed Critical Gebrueder Kloecker GmbH
Publication of EP2540885A2 publication Critical patent/EP2540885A2/fr
Publication of EP2540885A3 publication Critical patent/EP2540885A3/fr
Application granted granted Critical
Publication of EP2540885B1 publication Critical patent/EP2540885B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/06—Mechanisms having eyed needles for moving warp threads from side to side of other warp threads

Definitions

  • the invention relates to a device for forming a leno selvedge comprising a frame for placement on the heald frames of a weaving machine, wherein the frame has at least one pair of needles for two leno threads, wherein the pair of pins are pivotally mounted about the longitudinal axis of the frame in the frame, wherein for pivoting the at least one needle pair, the device has a pivot drive.
  • an edge apparatus of the type mentioned is known, which is characterized by a frame, wherein in the frame at least one pair of pins is arranged, wherein the pair of pins is aligned parallel to the longitudinal axis of the frame and also about the longitudinal axis of the frame is pivotable.
  • the frame itself is attached to the first weave shaft.
  • Such an edge apparatus is particularly suitable for setting glass fiber threads or yarns to a leno edge in a corresponding fabric.
  • the two needles of the needle pair have each end an eyelet for performing a leno thread.
  • the frame In the region of the needle pair, the frame has a longitudinally extending to the frame slot through which the ground thread is guided.
  • the standing thread in conjunction with the two leno threads guided through the eyelets of the needles and the weft thread, causes the edge to set, with the weft thread extending transversely to the ground thread.
  • an electromagnetic drive is known for the alternating pivoting of the at least one pair of needles about the longitudinal axis of the frame according to the known embodiment.
  • the electromagnetic drive comprises an axle mounted in a coil, such a drive having various disadvantages.
  • a drive is relatively heavy; This is particularly noticeable insofar as this drive must be moved by the drive for the heddle shafts. That is, a higher weight on the heald frames requires a higher drive power of the drive of the loom.
  • a drive is relatively slow, ie, such a drive is not applicable to looms with shot numbers of 700 rounds and more.
  • an electromagnetic drive is also highly imprecise, which is why it can not be guaranteed that after each shot of the weft is also tied off properly. Equally low is the efficiency.
  • the object underlying the invention is therefore to provide in a device of the type mentioned for a drive which is very easy to keep the drive power of the weaving machine for the movement of the healds low, which also works precisely, only in low dirt susceptible, and has a high efficiency.
  • a drive for a device of the type mentioned, which meets these premises, is characterized in that the pivot drive comprises a carrier having at least two superposed spaced apart permanent magnets to form an air gap, wherein one pivotally mounted on an axis of the frame Moving member is provided, wherein the moving member has a head with at least one coil, wherein the head is in the air gap, wherein the moving member at the end opposite the head with the at least one pair of pins in communication.
  • the pivot drive is symmetrical and is also arranged symmetrically on the frame. It follows immediately that during operation of the weaving machine, the shafts on which the racks of the devices for forming a leno selvedge are substantially no moments experienced by the operation of the drives for the needles.
  • the planar extent of the two magnets corresponds approximately to twice the area which is surrounded by the coil in the head, plus the area which is covered by the coil itself.
  • the superposed permanent magnets have opposite polarizations, i. E. h., That each of the two opposing magnets has a different polarization at both ends.
  • the polarization at the ends of the two magnets is made such that the ends of one magnet are reversely polarized to the ends of the other opposing magnet. It follows that two magnets are arranged opposite each other, which, however, can be physically formed in each case by a magnet.
  • the head of the moving member has the coil with two terminals.
  • the head with the coil is now mutually repelled by one side of the opposing magnets, however, attracted by the other side of the opposing magnets.
  • the realization of this principle leads to an alternating pivoting movement with high frequency. That is, such a drive is particularly suitable for looms with shot numbers of 600 to 700 rounds per minute and more.
  • the carrier has a circular segment-shaped carrier head with lateral cheeks, wherein between the cheeks of at least a first permanent magnet and forming an air gap to the first permanent magnet at least a second permanent magnet the carrier head is disposed above the first magnet.
  • the second permanent magnet is in this case advantageously arranged on a carrier cover which is fastened on the cheeks.
  • the drive is also dirt susceptible to only a small extent, since the head of the moving member moves in an air gap which is limited only laterally by the cheeks. Since the drive is arranged vertically aligned with the frame of the leno selvedge device, so no dirt can accumulate in the region of the head of the moving member. Any accumulating dirt can easily be blown off. That is, the risk of wear between the head for the coil and the permanent magnet is low.
  • the pivot drive On a pivoting device.
  • the pivoting device By the pivoting device, the pivotal movement of the moving member is converted into a rotational movement of the at least one pair of needles.
  • the pivoting device comprises a dome arm arranged on the movement member, which is connected by a deflection device to the at least one pair of needles.
  • the leno selector device is designated overall by 1.
  • the leno selvedge device 1 has a frame 2 with two frame rails 3 extending parallel to one another, wherein the pivot drive designated by 20 is received by the frame.
  • the pivot drive shows a moving member 25, wherein the moving member 25 is connected by a coupling arm 30, by a pivoting device 40 and by a deflecting device 50 with the two pairs of needles 60.
  • the frame 2 also shows at the end in each case a shank holder 4 for attachment to the first weaving shank.
  • a yarn guide 7 At the upper end of a yarn guide 7 is provided with four eyelets, which are performed by this yarn guide 7 with four eyelets correspondingly four leno threads 9, which are guided down through the eyelets 62 of the needles 61 of the respective pair of needles.
  • the ground thread 10 runs, which is led out accordingly from the back by a guide in the frame to the front.
  • the guide is provided by a slot 8 in the frame 2 ( Fig. 1a ).
  • Each pair of needles here is assigned a slot 8.
  • the leno threads run from the back through the thread guide down through the eyelets of the needles forward and backward of the frame 2 away.
  • Both the leno threads and the ground threads are in Fig. 1a when Dashed lines drawn. In Fig. 1 both the leno threads 9 and the ground threads 10 are not shown.
  • the pivot drive designated 20 comprises a carrier 21 with a carrier head 21 a, which has a cheek 22 on both sides.
  • the carrier head in this case consists of advantageously magnetizable material.
  • the head 26 of the coil 26a is formed of electrically non-conductive material; between the cheeks 22 is located on the carrier head 21 a, a first permanent magnet 24, as is in the view of Fig. 3 results.
  • the permanent magnet 24 is as already stated on the carrier head 21 a, and is bordered by the cheeks 22.
  • the cheeks 22 in this case also form a stop for the head 26 of the movement member 25. This will be discussed elsewhere.
  • the cheeks also take on the lid 27, wherein on the lid 27, a second permanent magnet 24a is arranged, which is formed in the same manner as the permanent magnet 24, with the difference that the polarizations of the two magnets on their sides facing each other are different, as is also the representation according to Fig. 3 can be removed. Between the two permanent magnets 24, 24a is an air gap 29, wherein in the air gap 29 of the head 26 of the moving member 25 superimposed.
  • the moving member 25 is connected to the carrier 21 through the axis 30.
  • the size of the coil (areal extent) in the head 26 of the moving member 25 corresponds approximately to the area of one half of a permanent magnet 24, 24a.
  • the coil 26a further shows the terminals 26b, the terminals 26b being connected to a reversible voltage source (not shown) in communication with a controller.
  • a reversible voltage source not shown
  • the head 26 of electrically non-conductive material of the moving member 25 performs an oscillating movement between the two cheeks, wherein the oscillating movement is electrically caused by repelled by the polarity reversal, the coil of the one half of the magnet and the other Magnet half of the two permanent magnets 24, 24a is tightened. By reversing this happens mutually each.
  • the mode of operation is similar to a stepper motor.
  • the cheeks 22 may in this case form the stop for the head when the polarity reversal z. B. takes place too late. It is also conceivable that the needle pairs strike the frame, so that the frame can act as a stop.
  • the movement member 25 is connected via a pivoting device 40 and a deflection device 50 with the two pairs of needles 60.
  • the pivoting device 40 in this case comprises the dome arm 41 and a slider 42, wherein the slider rests on a guide block 43 movable.
  • the guide block 43 is formed as an angle, and has on his in the drawing according to Fig. 4 horizontal leg two holes 44th
  • the two pairs of needles 60 are connected via the deflection device 50 on the one hand to the guide block 43 and on the other hand to the slider 42.
  • the deflecting device 50 comprises in each case a carrier body 51 which holds the two needles 61 of the needle pair 60 standing in a row. Standing behind one another hereby means standing in the direction of the ground thread running behind one another.
  • the support body 50 shows an axis 52, wherein the axis 52 has a pivot arm 53, which in turn has a pivot pin 54 which extends parallel to the axis 52.
  • the pivot pin 54 of each pair of pins 60 rests in a bore 47 of the slider 42nd
  • the needles 61 of a pair of needles 60 are advantageously of different lengths, the rear needle being advantageously longer than the front needle.
  • the different length ensures that the leno threads guided by the eyelets in the needles can safely cross the ground thread.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
EP12003912.8A 2011-06-30 2012-05-18 Dispositif de formation d'un bord de gaze Active EP2540885B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202011103312U DE202011103312U1 (de) 2011-06-30 2011-06-30 Vorrichtung zum Bilden einer Dreherkante

Publications (3)

Publication Number Publication Date
EP2540885A2 true EP2540885A2 (fr) 2013-01-02
EP2540885A3 EP2540885A3 (fr) 2013-03-27
EP2540885B1 EP2540885B1 (fr) 2013-12-04

Family

ID=45116240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12003912.8A Active EP2540885B1 (fr) 2011-06-30 2012-05-18 Dispositif de formation d'un bord de gaze

Country Status (5)

Country Link
US (1) US8590578B2 (fr)
EP (1) EP2540885B1 (fr)
JP (1) JP5532495B2 (fr)
CN (1) CN102851823B (fr)
DE (1) DE202011103312U1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012009420A1 (de) * 2012-05-11 2013-11-14 Gebrüder Klöcker GmbH Vorrichtung zum Herstellen eines Gewebes
EP3162934B1 (fr) * 2015-10-28 2018-03-28 Gebrüder Klöcker GmbH Dispositif de formation d'une lisiere a pas de gaze, en particulier pour un metier a tisser et metier a tisser a projectiles dote d'un tel dispositif
EP3197029B1 (fr) * 2016-01-19 2019-05-29 Gebrüder Klöcker GmbH Dispositif a moteur electrique destine a former une lisiere de gaze, en particulier pour un metier a tisser, et metier a tisser a projectiles dote d'un tel dispositif
DE202018103292U1 (de) * 2018-06-12 2018-07-20 Gebrüder Klöcker GmbH Klemmvorrichtung zur lösbaren Verbindung einer Harnischschnur mit einer Hebelitze einer Dreherbindungsvorrichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1814269A1 (de) 1968-12-12 1970-08-20 Schmeing Geb Vorrichtung zur Herstellung der Schnittleiste in Gewebebahnen

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1814269U (de) * 1960-04-26 1960-06-30 Kugelfischer G Schaefer & Co Einteiliger massivkaefig fuer kugellager.
CS157896B1 (fr) * 1971-09-10 1974-10-15
US3741256A (en) * 1971-12-28 1973-06-26 B Wesseler Device for the production of intermediate selvages in fabric webs
DE4405776C1 (de) * 1994-02-23 1995-08-17 Dornier Gmbh Lindauer Rotations-Kantendreher einer Webmaschine
JP3620153B2 (ja) * 1996-07-01 2005-02-16 株式会社豊田自動織機 織機におけるからみ耳形成装置
JP3620161B2 (ja) * 1996-08-29 2005-02-16 株式会社豊田自動織機 織機におけるからみ耳形成装置
DE19654962A1 (de) * 1996-12-12 1998-06-18 Dornier Gmbh Lindauer Halte- und Positioniereinrichtung für eine Dreherkantenvorrichtung in Webmaschinen
DE29703896U1 (de) * 1997-03-04 1998-07-02 Kloecker Entwicklungs Gmbh Hebelitze
DE19733261C2 (de) * 1997-08-01 2001-07-19 Dornier Gmbh Lindauer Rotations-Kantendreher mit direkt elektromagnetischem Antrieb für Webmaschinen
DE19733262A1 (de) * 1997-08-01 1999-02-04 Dornier Gmbh Lindauer Rotations-Kantendreher mit direkt elektromagnetischem Antrieb für Webmaschinen
DE19813082C1 (de) * 1998-03-25 1999-06-17 Kloecker Entwicklungs Gmbh Vorrichtung zum Bilden einer Dreherkante mit einem Elektromotor umfassend einen Rotor und einen den Rotor aufnehmenden Stator
EP1016743B1 (fr) * 1998-12-09 2003-04-16 Sultex AG Dispositif pour le déplacement commandé d'un fil de trame
DE59905063D1 (de) * 1998-12-09 2003-05-22 Sultex Ag Rueti Einrichtung zum gesteuerten Bewegen eines Kettfadens
DE10257519B3 (de) * 2002-12-10 2004-04-01 Klöcker-Entwicklungs-Gmbh Vorrichtung zum Bilden einer Dreherkante
BE1015461A6 (nl) * 2003-03-18 2005-04-05 Picanol Nv Inrichting voor het vormen van een zelfkant aan een weefsel.
ES2352227T3 (es) * 2007-11-21 2011-02-16 Groz-Beckert Kg Dispositivos para fabricar tejidos de vuelta.
CN201704484U (zh) * 2010-06-07 2011-01-12 义乌市正兴纺织器材有限公司 绞边器及绞边综
CN201835060U (zh) * 2010-10-18 2011-05-18 山东日发纺织机械有限公司 线性绞边器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1814269A1 (de) 1968-12-12 1970-08-20 Schmeing Geb Vorrichtung zur Herstellung der Schnittleiste in Gewebebahnen

Also Published As

Publication number Publication date
JP5532495B2 (ja) 2014-06-25
DE202011103312U1 (de) 2011-11-08
JP2013014873A (ja) 2013-01-24
EP2540885B1 (fr) 2013-12-04
EP2540885A3 (fr) 2013-03-27
US8590578B2 (en) 2013-11-26
CN102851823B (zh) 2014-02-26
CN102851823A (zh) 2013-01-02
US20130160890A1 (en) 2013-06-27

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