EP2662479B1 - Machine à tisser avec dispositifs pas de gaze - Google Patents

Machine à tisser avec dispositifs pas de gaze Download PDF

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Publication number
EP2662479B1
EP2662479B1 EP20130001770 EP13001770A EP2662479B1 EP 2662479 B1 EP2662479 B1 EP 2662479B1 EP 20130001770 EP20130001770 EP 20130001770 EP 13001770 A EP13001770 A EP 13001770A EP 2662479 B1 EP2662479 B1 EP 2662479B1
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EP
European Patent Office
Prior art keywords
leno
fabric
devices
threads
manufacturing
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EP20130001770
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German (de)
English (en)
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EP2662479A1 (fr
Inventor
Kurt Hockemeyer
Christoph Dr. Schwemmlein
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Gebrueder Kloecker GmbH
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Gebrueder Kloecker GmbH
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Application filed by Gebrueder Kloecker GmbH filed Critical Gebrueder Kloecker GmbH
Publication of EP2662479A1 publication Critical patent/EP2662479A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D19/00—Gauze or leno-woven fabrics
    • 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C7/00—Leno or similar shedding mechanisms
    • D03C7/08—Devices for twisting warp threads repeatedly in the same direction

Definitions

  • the invention relates to a device for producing a fabric.
  • Such devices for fabric production are known as conventional weaving machines.
  • Such a weaving machine comprises a plurality of web shafts driven in opposite directions, wherein a plurality of loin heddles are arranged side by side on the heald frames, the warp threads being guided by the heddles, which run off from the warp beam.
  • the shafts run counter to each other, so that in such an opposite movement of the shafts through the weaving loops with the therein guided warp threads a compartment is stretched.
  • a weft thread is guided, for example by means of grippers or by air.
  • Such machines are then called either gripper or air machines. After the introduction of each shot, the weft thread is struck against the fabric by the reed on the weaving machine.
  • Such a known weaving machine requires a considerable drive power, which is essentially conditioned by the up and down movement of the heddle shafts with the heddles arranged thereon. In some cases, drive powers of 70 kW and more are required. Another disadvantage is that with such conventional looms only a common fabric (cloth weave) can be produced.
  • a similar loom shows the GB 2124664 A , There are a plurality of juxtaposed, meshing discs are provided, which are driven centrally by a drive pulley. The discs each have two diagonally opposite openings for the leno threads.
  • the DE 100 34 355 A1 describes within the fabric on a weaving loom pairwise leno edger apparatuses, so that after cutting the tissue between the edge forming apparatus each tissue has a leno selvedge.
  • a device according to the preamble of claim 1 is known.
  • Such a device is characterized in detail by two successively arranged coils, wherein the thread of the rear coil is guided around by an arm around the front coil and twisted around the thread of the front coil so as to bind the weft thread in the region of rotation of the two threads ,
  • the object underlying the invention is to provide a device for producing a fabric which, on the one hand, has a relatively low drive power and, moreover, opens up the possibility of providing a fabric in which a pattern can be woven.
  • the fabric web over a substantial part of its width should have a uniform as possible strength or tension. In the manufacture of fabrics on conventional weaving machines, it is such that the strength or tension of the fabric decreases to the fabric edge.
  • the course of the tension of the fabric over the width of a fabric web is also referred to as a tension bow, ie the course of the tension drops from a crest line in the middle of the fabric web at the edge of the fabric to continuously arcuate, without the tension at the edge becoming zero.
  • Such a device for producing a fabric comprises a plurality of on at least one carrier juxtaposed, automatically operating devices for producing a leno weave (leno bonding device).
  • Each leno binding device is fed with two leno threads, wherein the device for producing the fabric has at least one weft insertion device, wherein the weft thread is inserted into the compartment of leno threads spanned by a plurality of leno binding devices.
  • the weft thread is tied across the width of the fabric at several points behind the weft by several leno bonding devices, each with two leno threads.
  • At least one of the arranged in the edge region of the fabric leno bonding devices performs a higher number of wraps than at least one arranged in the central region of the fabric leno bonding device.
  • the two threads for the setting of the weft thread are referred to as leno threads. Often they are also named as leno and standing threads.
  • the closure can be made by the leno bonding device across the width of the fabric at different times.
  • a comparable warp tension curve can also be achieved by a combination of several wraps with a temporally different closure.
  • the closing of the compartment at different times is provided in particular that in the edge region of the closure by the leno binding device takes place earlier than in the central region to restrict the possibility of movement of the weft thread.
  • the weft thread Towards the center of the fabric, the weft thread has more time to yield, thus resulting in a uniform stress profile across the width of the fabric.
  • the device for feeding the leno threads may be a warp beam or a plurality of spools loaded with threads.
  • Working independently means here that each leno binding device has its own drive. This in contrast z. B. to loams that are driven by the stems foreign.
  • the drive power of such single leno binding devices is about 10 watts. Even with the arrangement of 30 or 40 such leno binding devices next to each other on a support only a fraction of the drive power is required, which requires a conventional weaving machine with opposite up and down moving heddles. The reason for this lies essentially in the fact that the moving mass of the individual leno binding devices compared to the moving mass in a conventional loom with heddle and the attached heddles is much lower. Due to the lower moving masses and the concomitant possibility of higher speeds, there is also the option of having such leno bonding devices set several times between the entry of two weft threads.
  • Lenhergeweben or Mehrfachechergeweben ie fabrics in which between the individual weft threads, the two leno threads are interlaced several times with each other, it is possible a much higher resistance to displacement and to create a clearly open textile structure.
  • Applications for such open tissue arise z. B. in textile-reinforced concrete, as Putzarm réelle or z. B. as agricultural textiles.
  • Leno fabrics have previously been made with conventional leno harnesses, but this only allows very low production speeds of only about 200 rounds per minute. Even if one disregards the low production speed, only half-turn bonds can be produced with these conventional leno harnesses. In a Halbwareritati the leno threads are twisted once between the weft threads.
  • Such a propeller rotator is characterized by an electric motor having a rotor, wherein the rotor comprises two diagonally opposite wings to form a propeller, wherein the wings each end have an eye for guiding the two leno threads.
  • glass yarns can be processed with such leno weaving devices without the risk of breakage of such yarns during processing.
  • Another advantage of using the leno bonding devices of the invention is that the strength of the fabric is adjustable across the width of the fabric webs. This insofar as the number of wraps of the leno threads after each weft yarn yield is freely selectable to a certain extent, and consequently also the strength of the fabric is adjustable.
  • the tension and strength values of a conventional fabric decrease continuously from the center to the edge.
  • the course of the stress and strength values across the width is therefore, as already stated, arcuate.
  • the voltage profile can be made constant; ie, the fabric web has over a greater width equal strength and tension.
  • a higher strength in the edge region z. B. can be achieved either by the fact that the number of wraps of the leno threads is increased towards the edge, or in the middle of the fabric, the number of wraps of the leno threads is reduced, so as to reduce the strength and stress level, but over to achieve a greater width almost equal values.
  • the setting over the width of the fabric by individual leno bonding devices can be made at different times, as already described.
  • a particularly advantageous embodiment of the device according to the invention for producing a fabric is characterized in that the device has a second carrier parallel to the first carrier, wherein the two carriers are approximately in a horizontal plane to each other, wherein on the first front support more of Lath binding devices are arranged on a gap, wherein the second carrier also has a plurality of leno bonding devices arranged side by side, wherein the leno bonding devices are arranged on the second carrier in the gaps between the leno bonding devices on the first carrier.
  • the leno binding devices have one certain diameter. The diameter is essentially determined by the size of the motor, and in particular by the radial extent of the propeller.
  • the device for producing a fabric comprises a reed, which serves to strike the weft thread to the tissue.
  • a fabric that can be produced with the device according to the invention is characterized in that a weft thread is tied across the width of the fabric at several points behind the weft thread before the reed by a plurality of leno binding devices, each with two leno threads, wherein by the leno binding device each are connected by a leno binding device two leno threads by a different number of wraps together.
  • each leno binding device that receives a leno thread pair can set the weft with a different number of wraps. So z. B. be provided, as already explained elsewhere, to increase the edge region, the number of wraps to achieve a constant voltage curve across the width of the fabric.
  • the edge area of the fabric comprises about 20% -30% of the fabric width.
  • the two leno threads 2 and 3 On the warp beam 1 are the two leno threads 2 and 3. However, it is also conceivable to provide coils for receiving the leno threads.
  • the leno threads 2 and 3 are fed to the leno binding devices designated 10. Across the width of the fabric are a plurality of such leno bonding devices 10 arranged side by side on a support 12. Parallel to this carrier 12 is located at the same height a second carrier 15 with also arranged thereon Dreheritatisvorraumen 10.
  • the leno bonding devices 10 on the two carriers are basically the same design.
  • the leno bonding devices 10 arranged on the carrier 15 can have a propeller which has a greater radial extent than the propeller of the leno-binding devices 10 on the carrier 12. This is against the background that the carrier 15 reaches the edge of the fabric the arrow 20 is marked, has a greater distance.
  • the tray would be directly on the fabric edge correspondingly smaller than the tray that is spanned by the leno bonding devices 10 on the carrier 12. This can be compensated by a larger propeller.
  • the device has a reed 30, which is known to serve to hit the inserted into the tray weft 40 to the tissue.
  • the finished fabric is taken up by the fabric take-off tree 60.
  • a propeller rotator comprises the electric motor 11 with the propeller 14 arranged on the rotor of the motor.
  • the propeller 14 presents itself as an arm, which shows two diametrically opposite eyelets 13 at the end, through which the leno threads 2, 3 are guided.
  • the propeller in the front region a guide 19, which consists of two mutually parallel guide rods 19 a and 19 b, between which the Dreherfäden are led, as this directly in the view of Fig. 2 results.
  • the propeller turns to make the setting of the weft thread, etc. several times in one direction.
  • the leno threads twist on the feed side of the threads to the propeller turner, so to speak, on the back of the propeller turner.
  • the rotation of the propeller is in the opposite direction, ie, the twist on the back of the propeller rotator is canceled.
  • Fig. 3 shows a diagram in which the warp tension is plotted across the width of the fabric. Visible here is the arcuate stress profile across the width of a fabric according to the prior art. Also drawn is a course of the warp tension across the width of the fabric, in which the tension is constant or at least substantially constant over the width of the fabric.
  • Fig. 4 schematically shows the different manner of bonding a weft thread across the width of the fabric.
  • the arrow 100 denotes a Halbwinderitati
  • the arrow 200 a Vollcarderitati.
  • These aforementioned types of binding can be combined with one another as desired across the width of the fabric, ie, for example, half-turn bindings and, at other locations, full-turn bonds can be provided at different locations. It is also conceivable to provide multiple bonds of Vollcard, ie bonds with an integer multiple of 360 °.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Looms (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (8)

  1. Installation pour la fabrication d'un tissu comportant une pluralité de dispositifs de liaison de fils de tour (10) montés côte à côte sur au moins un support et travaillant de manière indépendante, pour la fabrication d'une liaison de fils de tour (10), dans laquelle, chaque dispositif de liaison de fils de tour (10) est approvisionné avec deux fils de tours (2, 3), dans lequel l'installation pour la fabrication du tissu comporte au moins
    une installation d'insertion d'un fil de trame, le fil de trame (40) étant introduit selon une direction transversale dans le plateau chargé de fils de tours (2, 3) de plusieurs dispositifs de liaison de fils de tour (10), le fil de trame (40) étant lié respectivement par deux fils de tours (2, 3), derrière le fil de trame (40), en divers endroits sur la largeur du tissu, par plusieurs dispositifs de liaison de fils de tour (10),
    caractérisée en que,
    pour une réalisation régulière de la mise en place du fil de chaîne sur toute la largeur du tissu, au moins un dispositif de liaison de fils de tour (10) situé dans la zone périphérique du tissu, développe un plus grand nombre d'enroulements qu'au moins un dispositif de liaison de fils de tour (10) situé dans la zone centrale du tissu, et /ou pour une réalisation régulière de la mise en place du fil de chaîne sur toute la largeur du tissu, le peigne est avancé à différents moments par les dispositifs de liaison de fils de tour (10).
  2. Installation pour la fabrication d'un tissu, selon la revendication 1,
    caractérisée en que,
    les dispositifs de liaison de fils de tour (10) comportent une installation pour réceptionner en rotation les deux fils de tours (2, 3).
  3. Installation pour la fabrication d'un tissu, selon la revendication 2,
    caractérisée en que,
    l'installation pour réceptionner en rotation les deux fils de tours (2, 3) comporte une hélice à deux pales (14) comprenant au moins des oeillets d'extrémité (13) pour engager les deux fils de tour (2, 3).
  4. Installation pour la fabrication d'un tissu, selon l'une des revendications précédentes,
    caractérisée en que,
    les dispositifs de liaison de fils de tour (10) peuvent être commandés individuellement.
  5. Installation pour la fabrication d'un tissu, selon l'une des revendications précédentes,
    caractérisée en que,
    l'installation comporte parallèlement audit premier support (12), un second support (15), les deux supports (12, 15) étant disposés selon une surface sensiblement horizontale, dans laquelle sur ledit premier support (12) sont montés plusieurs dispositifs de liaison de fils de tour (10) espacés, dans laquelle le second support (15) comporte également une majorité de dispositifs de liaison de fils de tour (10) positionnés côte à côte, dans laquelle les dispositifs de liaison de fils de tour (10) du second support (15) sont positionnés dans les espacements ménagés entre les dispositifs de liaison de fils de tour (10) montés sur le premier support (12).
  6. Installation pour la fabrication d'un tissu, selon la revendication 5,
    caractérisée en que,
    l'installation pour réceptionner les fils de tour des dispositifs de liaison de fils de tour sont formés sur le second support (15) de la structure, de sorte que le plateau fixé est plus grand que le plateau des installations respectives pour réceptionner les fils de tour des dispositifs de liaison de fils de tour sur le premier support (12).
  7. Installation pour la fabrication d'un tissu, selon l'une des revendications précédentes,
    caractérisée en que,
    l'installation pour la fabrication d'un tissu comporte un peigne (30).
  8. Installation pour la fabrication d'un tissu, selon la revendication 4,
    caractérisée en que,
    au moyen de l'installation des dispositifs de liaison de fils de tour (10) dans la zone périphérique du tissage des fils de trame, le déliage s'effectue antérieurement par rapport à la zone centrale.
EP20130001770 2012-05-11 2013-04-06 Machine à tisser avec dispositifs pas de gaze Active EP2662479B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210009420 DE102012009420A1 (de) 2012-05-11 2012-05-11 Vorrichtung zum Herstellen eines Gewebes

Publications (2)

Publication Number Publication Date
EP2662479A1 EP2662479A1 (fr) 2013-11-13
EP2662479B1 true EP2662479B1 (fr) 2015-04-29

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US (1) US8893750B2 (fr)
EP (1) EP2662479B1 (fr)
DE (1) DE102012009420A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110923895B (zh) * 2019-11-11 2023-12-19 肇庆市鼎湖兴文塑胶五金制品有限公司 一种织带边缘收边的编织方法
DE102020100857A1 (de) * 2020-01-15 2021-07-15 Gebrüder Klöcker GmbH Textiles Flächengebilde mit Kett- und Schussfäden

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JPS4415021Y1 (fr) 1966-12-14 1969-06-27
DE19548955C1 (de) 1995-12-28 1996-09-12 Kloecker Entwicklungs Gmbh Vorrichtung zum Bilden einer Dreherkante, insbesondere für schützenlose Webmaschinen
DE19720634C1 (de) 1997-05-16 1998-10-01 Dornier Gmbh Lindauer Verfahren zum Bilden einer Gewebe- und Fangleiste bei der Herstellung eines Gewebes auf Webmaschinen und Vorrichtung zur Durchführung des Verfahrens
EP1052317A1 (fr) 1999-05-03 2000-11-15 Sulzer Textil AG Dispositif et procédé pour fournir un fil de tour à un métier à tisser
WO2005012609A1 (fr) 2003-08-01 2005-02-10 Lindauer Dornier Gesellschaft Mbh Dispositif d'une machine a filer destine a former des aretes de gaze et machine a filer comportant un tel dispositif
DE102005022955A1 (de) 2005-05-19 2006-11-23 Lindauer Dornier Gmbh Verfahren und Vorrichtung zum Halten eines nach einem Startvorgang einer Webmaschine, insbesondere Luftdüsenwebmaschine eingetragenen Schussfadens

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DE19716349C1 (de) * 1997-04-18 1998-06-10 Kloecker Entwicklungs Gmbh Antriebseinheit für eine Welle einer synchron zu den Schäften einer Webmaschine arbeitenden Vorrichtung zum Bilden einer Dreherkante
DE29708758U1 (de) * 1997-05-16 1997-07-31 Dornier Gmbh Lindauer Webmaschine
DE19743872C1 (de) * 1997-10-04 1998-12-17 Kloecker Entwicklungs Gmbh Steuerung für den Elektromotor einer Vorrichtung zum Bilden einer Dreherkante
ATE218632T1 (de) * 1997-11-03 2002-06-15 Kloecker Entwicklungs Gmbh Vorrichtung zur regulierung der fadenspannung der durch eine dreherkantenvorrichtung geführten dreher- und steherfäden
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
DE10003919B4 (de) * 2000-01-29 2004-04-08 Lindauer Dornier Gmbh Webmaschine zum Herstellen eines Drehergewebes
DE10034355A1 (de) * 2000-07-14 2002-01-24 Picanol Nv Vorrichtung zum Bilden von Dreherfächern
ES2282343T3 (es) * 2001-06-09 2007-10-16 Gebruder Klocker Gmbh Dispositivo para la deteccion de roturas de hilo de gasa de vuelta en maquinas de tejer o maquina de tejer, en particular con marcos de lizoy un dispositivo para la deteccion de roturas de hilo.
DE10149970A1 (de) * 2001-10-10 2003-05-08 Dornier Gmbh Lindauer Verfahren zur Ansteuerung von Betätigungseinrichtungen einer mit einer Webmaschine kombinierten Jacquardvorrichtung
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Publication number Priority date Publication date Assignee Title
JPS4415021Y1 (fr) 1966-12-14 1969-06-27
DE19548955C1 (de) 1995-12-28 1996-09-12 Kloecker Entwicklungs Gmbh Vorrichtung zum Bilden einer Dreherkante, insbesondere für schützenlose Webmaschinen
DE19720634C1 (de) 1997-05-16 1998-10-01 Dornier Gmbh Lindauer Verfahren zum Bilden einer Gewebe- und Fangleiste bei der Herstellung eines Gewebes auf Webmaschinen und Vorrichtung zur Durchführung des Verfahrens
EP1052317A1 (fr) 1999-05-03 2000-11-15 Sulzer Textil AG Dispositif et procédé pour fournir un fil de tour à un métier à tisser
WO2005012609A1 (fr) 2003-08-01 2005-02-10 Lindauer Dornier Gesellschaft Mbh Dispositif d'une machine a filer destine a former des aretes de gaze et machine a filer comportant un tel dispositif
DE102005022955A1 (de) 2005-05-19 2006-11-23 Lindauer Dornier Gmbh Verfahren und Vorrichtung zum Halten eines nach einem Startvorgang einer Webmaschine, insbesondere Luftdüsenwebmaschine eingetragenen Schussfadens

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ERNST GRÄBNER: "Die Weberei", 1953, FACHBUCHVERLAG GMBH, pages: 343 - 344, XP055274522

Also Published As

Publication number Publication date
US8893750B2 (en) 2014-11-25
DE102012009420A1 (de) 2013-11-14
EP2662479A1 (fr) 2013-11-13
US20130333794A1 (en) 2013-12-19

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