EP2679712B1 - Agencement de tôle de chute d'un métier à tricoter à chaîne - Google Patents

Agencement de tôle de chute d'un métier à tricoter à chaîne Download PDF

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Publication number
EP2679712B1
EP2679712B1 EP20120004790 EP12004790A EP2679712B1 EP 2679712 B1 EP2679712 B1 EP 2679712B1 EP 20120004790 EP20120004790 EP 20120004790 EP 12004790 A EP12004790 A EP 12004790A EP 2679712 B1 EP2679712 B1 EP 2679712B1
Authority
EP
European Patent Office
Prior art keywords
fall plate
fall
movement
plate
arrangement according
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.)
Not-in-force
Application number
EP20120004790
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German (de)
English (en)
Other versions
EP2679712A1 (fr
Inventor
Georg Kraus
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.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik 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 Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP20120004790 priority Critical patent/EP2679712B1/fr
Priority to CN201210386289.6A priority patent/CN103510271B/zh
Publication of EP2679712A1 publication Critical patent/EP2679712A1/fr
Application granted granted Critical
Publication of EP2679712B1 publication Critical patent/EP2679712B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/22—Flat warp knitting machines with special thread-guiding means
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
    • D04B27/06—Needle bars; Sinker bars
    • D04B27/08—Driving devices therefor

Definitions

  • the invention relates to a fall plate arrangement of a warp knitting machine with a fall plate which extends parallel to an offset direction, and a fall plate drive, which drives the fall plate in a direction perpendicular to the direction of displacement, wherein the fall plate drive acts on a movable in the offset direction drive element, via a deflection on the fall plate acts.
  • knitting needles and guide needles work together to form knits of a knitted fabric.
  • the knitting needles are usually arranged in a row on a knitting needle bar.
  • the guide needles can be arranged on a plurality of guide pin bars. Each guide bar then carries a set of guide needles.
  • the guide needles must be moved in relation to the knitting needles parallel to the direction of the row in which the guide needles are arranged are. This direction is also referred to as "offset direction".
  • the guide needles are guided through alleys between the knitting needles. Thereafter, a movement in the offset direction joins again, but contrary to the first movement in the offset direction.
  • the guide needles are then again passed through lanes between knitting needles, which are usually other lanes than the first time.
  • a fall plate is used, which holds down or shifts threads that should not be used for a stitch formation process at this time. Accordingly, the fall plate must be able to be moved perpendicular to the offset direction.
  • the direction in which the fall plate is moved is referred to as the "direction of movement". This direction of movement can in many cases be approximately parallel to the direction in which the knitting needles are moved.
  • Another fall plate arrangement of a warp knitting machine is off DE 1 585 440 A known.
  • the fall plate is attached to a fall plate bar, which is held on rods, which are guided in a guide of the guide bar carrying hanger and moved by attached to the main shaft of the warp knitting eccentrics via a multi-membered lever arrangement back and forth.
  • a fall plate drive includes large moving masses and a relatively complicated multi-lever arrangement.
  • Such a fall plate drive is useful only for machine speeds of the warp knitting machine to about 500 rpm of the main shaft.
  • DE 66 06 595 U1 shows a further fall plate control, with which the movement of the fall plate varies and, if desired, can be patterned. This is achieved in that a hinge pin of a driven by an eccentric shaft of the warp knitting machine ram on a engages with the fall plate associated angle lever. In the angle lever, the plunger is displaceable by a further plunger controlled by a pattern chain.
  • DE 197 36 123 C1 shows another solution for a fall plate bar.
  • a hanger which carries the guide bars, a supplementary shaft mounted, which rotates in response to the main shaft and carries the cams.
  • the additional shaft is mechanically connected to the main shaft via a gearbox.
  • the fall plate bar is moved by the control cams via a lever bar in the direction of movement.
  • the movement control takes place via parallelogram arranged lever, so that a linear movement of the fall plate bar can be achieved in the direction of movement.
  • the invention has for its object to realize a fall plate assembly with low space.
  • the support plate makes it possible that the fall plate can be made relatively thin and thus massearm. A deformation of the fall plate during operation is complicated by the support plate or even prevented.
  • the fall plate drive is preferably arranged in the offset direction next to the fall plate. This saves space. In addition, one can fall back on known drive concepts, as they are known from the drives for guide bars. If the fall plate drive is arranged in the offset direction next to the fall plate, the transmission paths can be kept short.
  • the fall plate is arranged between two support plates or a support plate is arranged between two fall plate carrier plates.
  • the fall plate is thus sandwiched between two support plates or there is a sandwich-like construction of support plate (s) and fall plate carrier plates. As a result, deformation of the fall plate is practically impossible even with faster movements.
  • the deflection arrangement has a guideway into which the fall plate engages with an engagement element.
  • the engagement member is moved along the guideway. If you have the fall plate in the offset direction holds, then can be achieved with the guideway, a simple implementation of the movement in the direction of displacement in a movement in the direction of movement.
  • the engagement element has a roller which is guided in the guideway. Due to the roller, which can be rotatably mounted, for example, on a pin, the friction between the engaging member and the guide track can be kept at a very low level.
  • the engagement element is arranged in the direction of movement in the upper half of the fall plate. This makes it possible that the fall plate can be displaced far enough in the direction of the knitting needles despite the interaction with the guideway to fulfill the desired function. Nevertheless, an enlarged space is not required.
  • the guideway is arranged on the drive element. In this case, no additional elements are needed to accommodate the guideway. The movement of the drive element simultaneously moves the guideway.
  • the guideway is rectilinear.
  • the guideway also be curved, if you want to achieve a certain movement of the fall plate.
  • the guide track it is preferable for the guide track to include an angle of at most 45 °, in particular a maximum of 30 ° and preferably a maximum of 25 °, with the offset direction.
  • the angle defines the gear ratio. The smaller the angle, the smaller the movement of the fall plate per movement length of the drive element in the offset direction.
  • the friction between the guideway and the engagement member is kept small at a small angle. The inclination of the guideway with respect to the offset direction is thus a compromise between the requirements for the movement of the fall plate in the direction of movement and the frictional forces that one would like to accept, as well as the required force and dynamics of the fall plate drive.
  • one of the support plates forms the drive element.
  • the drive acts directly or via a connecting link on the support plate. If the support plate is moved, then the fall plate is displaced in the direction of movement.
  • the guideway passes through the support plate.
  • the guideway is thus formed by a corresponding slot in the support plate. Accordingly, the engagement element is also visible from the side facing away from the fall plate of the support plate and you can easily visually control whether the intervention is properly formed.
  • the fall plate on a guide in the direction of movement, which limits or prevents movement of the fall plate in the offset direction.
  • a guide makes it possible in a simple manner to implement the movement of the drive element in the offset direction in a movement of the fall plate in the direction of movement.
  • the guide has a slot in the fall plate into which a stationary held guide pin engages.
  • the slot is directed in the direction of movement of the fall plate.
  • the guide pin guides the drive element in the offset direction.
  • the drive element for example, have a slot formed parallel to the offset direction, in which engages the guide pin.
  • rollers or the like may also be arranged on the guide pin in order to keep the friction between the guide pin and the drive element small.
  • a fall plate arrangement 1 shown only schematically in the figure has a fall plate 2 which extends parallel to an offset direction 3 symbolized by a double arrow.
  • the direction in which the knitting elements are arranged next to one another on a bar in a row is defined as the offset direction 3.
  • the offset direction thus corresponds at least substantially to the width direction of the warp knitting machine.
  • guide needles are compared with knitting needles moved in the offset direction, then through streets between knitting needles, then again in the direction of offset against the first movement in the direction of offset and finally again by streets between the knitting needles.
  • the fall plate 2 In operation, the fall plate 2 must be moved occasionally, in a symbolized by a double arrow movement direction 4.
  • the direction of movement 4 is directed perpendicular to the offset direction 3.
  • the fall plate 2 is sandwiched between a first support plate 5 and a second support plate 6.
  • the fall plate 2 is thus both at its the first Supporting plate 5 facing the front and supported on the second support plate 6 facing back and can therefore be practically not deformed. Accordingly, the fall plate 2 may be formed relatively thin.
  • a single support plate for example, the first support plate 5, sufficient to support the fall plate 2.
  • the first support plate 5 is designed as a drive element, acts on a symbolized by an arrow drive 7 in the offset direction 3.
  • the drive 7 may be similar in design to a pattern drive of a guide bar, i. it can have a pattern disk or a pattern chain driven directly or indirectly by a main shaft of the warp knitting machine or it can be designed as a linear drive which acts in the offset direction 3.
  • the first support plate 5 has a guideway 8 designed as a straight slot, into which engages an insert element designed as a pin 9.
  • a roller 10 is rotatably mounted, so that a movement of the pin 9 can be realized in the guideway 8 with relatively little friction.
  • the guideway 8 is inclined relative to the offset direction 3.
  • the angle between the offset direction 3 and the guideway 8 should be a maximum of 45 °, preferable However, smaller angles, for example, a maximum of 30 ° or a maximum of 25 °.
  • the fall plate 2 also has a plurality of pins 9 with rollers 10.
  • the fall plate 2 has a slot 11 extending in the direction of movement. Through the slot 11 projects a guide pin 12 which is fixed to a machine frame 13, which is symbolized here by a plate.
  • the guide pin 12 is thus stationary, so that it prevents movement of the fall plate 2 in the offset direction 3.
  • the guide pin 12 is provided in the region of the slot 11, which forms a guide of the fall plate 2 in the direction of movement 4, with a roller which is designed similar to the roller 10 on the pin 9 of the fall plate.
  • a slot 14 is further provided, which extends parallel to the offset direction 3.
  • the guide pin 12 extends through this slot 14, wherein the guide pin 12, a further roller 15 is arranged, which holds a friction between the slot 14 and the guide pin 12 small.
  • several slots 14 may be provided with guide pins 12.
  • the fall plate 2 can not follow this movement in the offset direction 3, because this is prevented by the interaction of the guide pin 12 with the running in the direction of movement 4 slot 11. Accordingly, the movement of the first support plate 5 is converted by the interaction of the guideway 8 with the pin 9 and the roller 10 in a movement of the fall plate 2 in the direction of movement 4. Depending on the inclination of the guideway 8 relative to the offset direction 3 then takes a certain translation. At an angle of 45 °, which includes the guideway 8 with the offset direction 3, results in a motion ratio of 1: 1. At an angle of 30 ° there is a motion translation of 1: 2, i. when the first support plate 5 moves by two millimeters in the offset direction 3, then the fall plate 2 moves in the direction of movement 4 by one millimeter.
  • a linear guideway 8 can also use a curved guideway.
  • the implementation of the movement between the support plate 5 and the fall plate 2 is no longer directly proportional, but can be controlled according to desired specifications.
  • the fall plate drive 7 can be arranged directly next to the fall plate 2 in the offset direction 3.
  • transmission elements as they are known from Legebarren ago usable, for example plunger or the like.
  • the pin 9 with the roller 10, which form the engagement element are arranged in the direction of movement 4 in the upper half of the fall plate 2, so that the fall plate 2 can be far enough out in the direction of movement over the first support plate 5 to perform its function safely ,
  • the slot 8 can extend over almost the entire extent of the first support plate 5 in the direction of movement 4, so that you can perform a relatively large stroke with the fall plate 2.
  • the drive of the drive elements ie the support plates 5, 6 can take place in the same direction or in opposite directions.
  • the guideways 8 are arranged in the support plates 5, 6 at the same angle.
  • opposite drive the guideways are arranged at opposite angles.
  • the opposite drive can be realized for example via a winding drive.
  • the sandwich may also be constructed by arranging a support plate between two fall plate support plates or generally a series of support plates and fall plate support plates arranged alternately.
  • the drive elements By adjusting the drive elements, here the support plates 5, 6, in the offset direction 3 relative to each other, the drive elements can be adjusted without play.
  • the fall plate assembly allows for relatively flexible positioning of the fall plate in a warp knitting machine because the fall plate assembly 1, such as a guide bar, can be attached to any bar bearing position in the warp knitting machine.
  • the fall plate assembly such as a guide bar
  • several fall plate arrangements can be installed for patterning in a warp knitting machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)

Claims (14)

  1. Ensemble de tôles de chute (1) d'un métier à tisser à chaîne comprenant une tôle de chute (2), qui s'étend de manière parallèle par rapport à un sens de décalage (3), et comprenant un entraînement de tôle de chute (7), qui entraîne la tôle de chute (2) dans un sens de déplacement (4) de manière perpendiculaire par rapport au sens de déplacement (3), l'entraînement de tôle de chute (7) agissant sur un élément d'entraînement (5) pouvant être déplacé dans le sens de décalage, lequel élément d'entraînement agit sur la tôle de chute par l'intermédiaire d'un ensemble de renvoi (8 - 10), caractérisé en ce que la tôle de chute (2) présente un côté avant et un côté arrière et repose au niveau d'une plaque de support (5, 6) par au moins un desdits deux côtés.
  2. Ensemble de tôles de chute selon la revendication 1, caractérisé en ce que l'entraînement de tôle de chute (7) est disposé à côté de la tôle de chute (2) dans le sens de décalage (3).
  3. Ensemble de tôles de chute selon la revendication 1 ou 2, caractérisé en ce que la tôle de chute (2) est disposée entre deux plaques de soutien (5, 6), ou en ce qu'une plaque de soutien est disposée entre deux plaques de support de tôle de chute.
  4. Ensemble de tôles de chute selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'ensemble de renvoi présente une glissière de guidage (8), avec laquelle la tôle de chute (2) vient en prise par un élément d'engrènement (9, 10).
  5. Ensemble de tôles de chute selon la revendication 4, caractérisé en ce que l'élément d'engrènement (9, 10) présente un galet (10) qui est guidé dans la glissière de guidage (8).
  6. Ensemble de tôles de guidage selon la revendication 4 ou 5, caractérisé en ce que l'élément d'engrènement (9, 10) est disposé dans le sens de déplacement (4) dans la moitié supérieure de la tôle de chute (2).
  7. Ensemble de tôles de guidage selon la revendication 6, caractérisé en ce que la glissière de guidage (8) est disposée au niveau de l'élément d'entraînement.
  8. Ensemble de tôles de guidage selon la revendication 6 ou 7, caractérisé en ce que la glissière de guidage (8) est réalisée à la manière d'une ligne droite ou de manière à présenter une forme de courbe.
  9. Ensemble de tôles de guidage selon la revendication 8, caractérisé en ce que la glissière de guidage (8) est réalisée à la manière d'une ligne droite et forme, avec le sens de décalage (3), un angle de maximum 45°, en particulier de maximum 30°, et de manière préférée de maximum 25°.
  10. Ensemble de tôles de guidage selon la revendication 3, caractérisé en ce qu'au moins une des plaques de soutien (5, 6) forme l'élément d'entraînement.
  11. Ensemble de tôles de guidage selon la revendication 10, caractérisé en ce que la glissière de guidage (8) traverse la plaque de soutien (5).
  12. Ensemble de tôles de guidage selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la tôle de chute (2) présente un guidage (11, 12) dans le sens de déplacement (4), qui limite ou empêche un déplacement de la tôle de chute (2) dans le sens de décalage (3).
  13. Ensemble de tôles de chute selon la revendication 12, caractérisé en ce que le guidage (11, 12) présente une entaille (11) dans la tôle de chute (2), avec laquelle une broche de guidage (12) maintenue de manière stationnaire vient en prise.
  14. Ensemble de tôles de chute selon la revendication 13, caractérisé en ce que la broche de guidage (12) guide l'élément d'entraînement (5) dans le sens de décalage (3).
EP20120004790 2012-06-27 2012-06-27 Agencement de tôle de chute d'un métier à tricoter à chaîne Not-in-force EP2679712B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20120004790 EP2679712B1 (fr) 2012-06-27 2012-06-27 Agencement de tôle de chute d'un métier à tricoter à chaîne
CN201210386289.6A CN103510271B (zh) 2012-06-27 2012-10-12 经编机的压纱板组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20120004790 EP2679712B1 (fr) 2012-06-27 2012-06-27 Agencement de tôle de chute d'un métier à tricoter à chaîne

Publications (2)

Publication Number Publication Date
EP2679712A1 EP2679712A1 (fr) 2014-01-01
EP2679712B1 true EP2679712B1 (fr) 2014-04-23

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EP20120004790 Not-in-force EP2679712B1 (fr) 2012-06-27 2012-06-27 Agencement de tôle de chute d'un métier à tricoter à chaîne

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EP (1) EP2679712B1 (fr)
CN (1) CN103510271B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107354574B (zh) * 2017-08-30 2019-12-06 武汉纺织大学 一种多变式花压板装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1585440A1 (de) 1966-10-07 1970-12-03 Takeda Kikai Mfg Co Ltd Kettenwirkmaschine,insbesondere Raschelmaschine,mit einer Abschlagplatte
DE1635874C2 (de) * 1967-11-03 1975-10-16 Karl Mayer Textil-Maschinenfabrik Gmbh, 6053 Obertshausen Raschelmaschine mit Fallblech
US3568470A (en) * 1967-11-03 1971-03-09 Karl Kohl Fall-plate arrangement for a raschel knitting machine
US3561233A (en) * 1968-07-25 1971-02-09 Karl Kohl Fall plate mechanism
DE6606595U (de) 1968-07-25 1970-10-08 Mayer Textilmaschf Vorrichtung zur steuerung eines fallbleches an kettenwirkmaschinen
US4224809A (en) * 1978-07-13 1980-09-30 Karl Mayer Textilmaschinenfabrik Gmbh Warp knitting machines with slider needles and a fall plate
SU1708958A1 (ru) * 1989-12-27 1992-01-30 Всесоюзный научно-исследовательский институт текстильно-галантерейной промышленности Основов зальна машина
DE19736123C1 (de) 1997-08-20 1999-01-07 Mayer Textilmaschf Kettenwirkmaschine mit einer Fallblechbarre
DE19753590C1 (de) * 1997-12-03 1999-05-12 Mayer Textilmaschf Wirkelemente tragendes Segment für Kettenwirkmaschinen
DE10243398B4 (de) * 2001-09-20 2009-02-26 Cetex Institut für Textil- und Verarbeitungsmaschinen gemeinnützige GmbH Antriebseinrichtung für eine mit Wirkwerkzeugen besetzte Barre einer Wirkmaschine
CN201908199U (zh) * 2010-12-23 2011-07-27 常州市润源经编运用工程技术研究中心有限公司 压纱型经编机的压纱梳栉安装机构
CN202090153U (zh) * 2011-04-27 2011-12-28 常州市润源经编机械有限公司 压纱型经编机的压纱板运动机构
CN202152400U (zh) * 2011-06-27 2012-02-29 常州市润源经编机械有限公司 多梳经编机压纱板运动装置
CN102505329A (zh) * 2011-10-31 2012-06-20 王敏其 一种偏心连杆压纱板机构

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Publication number Publication date
CN103510271A (zh) 2014-01-15
EP2679712A1 (fr) 2014-01-01
CN103510271B (zh) 2016-02-03

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