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EP1498531A1 - Métier à tricoter chaíne - Google Patents

Métier à tricoter chaíne Download PDF

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Publication number
EP1498531A1
EP1498531A1 EP04014691A EP04014691A EP1498531A1 EP 1498531 A1 EP1498531 A1 EP 1498531A1 EP 04014691 A EP04014691 A EP 04014691A EP 04014691 A EP04014691 A EP 04014691A EP 1498531 A1 EP1498531 A1 EP 1498531A1
Authority
EP
European Patent Office
Prior art keywords
drum
knitting machine
warp knitting
machine according
tension element
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
EP04014691A
Other languages
German (de)
English (en)
Other versions
EP1498531B1 (fr
Inventor
Kresimir Mista
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
Publication of EP1498531A1 publication Critical patent/EP1498531A1/fr
Application granted granted Critical
Publication of EP1498531B1 publication Critical patent/EP1498531B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • 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
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • D04B27/26—Shogging devices therefor
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines

Definitions

  • the invention relates to a warp knitting machine with at least a pattern guide having thread guides, by a pulling element with a movement control device are connected.
  • Such a warp knitting machine is known from DE 199 38 871 C1 known.
  • the well-known Musterlegebarre is at both Each end is provided with a drive.
  • the two Drives exert opposing clamping forces the barre off.
  • a tension element instead of the previously used bar-like bars let the masses be reduced. This makes it possible the working speed of the warp knitting machine to increase.
  • the invention is based on the object, the accuracy to improve when driving the thread guide.
  • This object is in a warp knitting machine of initially mentioned type achieved in that the movement control device only at one end of the pattern delivery having a drive, the drive a drum has, attached to the one end of the tension element is, and only at one end of the Musterlegebarre one Resetting device is arranged.
  • the tension element is always under held by a predetermined voltage the interaction of drive and reset device is caused. Due to the fact that only one drive and one Reset device available, results from the Reversing the direction of movement of the tension element in Principle no load change. All parts, the involved in generating the movement of the tension member are always charged from the same direction. In addition, the tension element now at the Drum is attached. This results in a connection between the drive and the traction element, which is very precise. Slipping, like for example in a pure friction between the tension element and the drive would be possible here is effectively prevented. When turning the drum becomes the tension element more or less wound on the circumference of the drum. About the angular position of the drum, i. the angular position of the drive, with high accuracy is an equally accurate attitude Position of the attached to the tension element yarn guide possible.
  • the circumference of the drum is larger is as a maximum travel of the yarn guide in Offset direction. This ensures that the tension element always with less than a turn on the Drum is wound up. This results for all Angular positions of the drum a unique assignment between the angular position of the drum and the Position of the thread guides in the offset direction. It works no indefinite assignment in the area of one Crack point, at which the diameter of the drum due to an already wound up position of the tension element would enlarge.
  • the diameter of the drum at least 30 mm. Preferably, the diameter even bigger and is 50 or even 60 mm.
  • the maximum offset path is already much larger as 18 cm. This has the positive effect that you can move the threads accordingly far. This Offset is not usually between two courses respectively. Nevertheless, it is possible with such a thing large offset the sampling much more permissive to design.
  • the Edge of a knitted fabric it is possible to put the said offset path.
  • a wavy pattern can be with an amplitude of more than 9 cm (at 30 mm Diameter) or more than 18 cm (with a diameter the drum of 60 mm) realize.
  • the tension member is with its end passed through a peripheral opening in the interior of the drum and set there.
  • This is a relatively simple one Possibility to put the end of the tension element on the Drum to determine that the position is defined. Based on the drum, the tension element starts at the Opening in the peripheral wall of the drum. From there will the tension element in dependence on the rotational position of Drum wound more or less far.
  • This embodiment has the additional advantage that one use equally long tension elements for drives with drums can be at different distances from the thread guides are arranged. This is usually the case, if you have several groups of yarn guides has, by a correspondingly large number of tension elements are driven. In that case you have to arrange the drives in different positions. Characterized in that the end of the tension element more or less far into the interior of the drum, can be a simpler adjustment of the length of the tension element reach the position of the drum.
  • the tension element in the interior of the Drum is fixed to an intermediate ring, the relative to the drum in different angular position is determinable. So you attached to the tension element the intermediate ring and then winds the end of the tension element on the intermediate ring on and so far that the attached to the tension element thread guide in the desired Standing position. This is at least a coarse adjustment. A fine adjustment can be done in other ways can be achieved, as explained below becomes.
  • the intermediate ring in the Drum is held clamped. You can choose the intermediate ring then infinitely adjust within the drum, so that a very sensitive adjustment of the position the thread guide is possible.
  • the intermediate ring has a torque application profile on. So you can use a tool to turn the intermediate ring inside the drum.
  • the drum has a rotation stop, which cooperates with a machine-fixed stop. You can use this stop to a home position to adjust the drum. The drum is ready twisted until the rotation stop abuts against the stop. After that The drum is electrically rotated by a small angle scaled back. This then reached position used in the following as machine zero point. After that the intermediate ring in the drum is twisted as long as until the attached to the corresponding tension element Thread guides have taken the desired position, So for example in a Nadelgasse between each stand two knitting needles. After that, the intermediate ring fixed in the drum. The controller that drives controls, then "knows" in which environment the Starting point or the zero position for the corresponding Is to search for tension element.
  • the rotation stop on the Drive facing side of the drum is arranged and the stopper formed as a projection on a plate which is fixed on a machine-fixed basis is, on which also the drive is strengthened.
  • the Plate simplifies assembly.
  • the base just has to be designed so that on the one hand the attachment drive or drives allowed. on the other hand she must have a way to fix the plate. With the help of the plate, the stop can then in certain Limits are adjusted, if necessary should be.
  • the drive has an electrical Engine and a gearbox, with its output shaft the drum is connected.
  • the electric motor is For example, designed as a servo motor, ie as Permanent magnet-excited synchronous motor. He can but also be designed as an asynchronous motor or as DC motor. Also the use of a stepper motor is possible in principle. All engines should allow a relatively accurate angular positioning. Indeed In many cases it is difficult to get a jerk-free To ensure operation at small angular increments. It is therefore used a transmission, so that the Motor an enlarged by the gear ratio angular element can cover when the tension element only moved by a small distance. Usually is the use of a transmission critical because gear in play-free design are very expensive.
  • the adjusting force can be less than 80 N here.
  • the tension element has a in the region of Drum arranged first section, as a band is formed, and one in the field of yarn guide arranged on the second section, wherein the first section and the second section on a detachable Coupling are connected to each other.
  • This embodiment has the advantage that you leave the drive assembly can, even if you change the pattern laying bar. Such replacement may, for example be necessary when positioning the thread guide to be changed for another pattern. In In this case, only the clutch is released, the Musterlegebarre removed and another Musterlegebarre or another second provided with yarn guides Section associated with the first section.
  • the coupling is a first Coupling element with two parallel to each other Plates, which by a bolt with each other are connected to which a second coupling element hooked with a hook, wherein the second coupling element prestressed projections away from each other which has openings in the plates of the first Engage coupling element.
  • the projections form then a kind of safeguard against the fact that the two Detach coupling elements if, from which For whatever reason, the train on the tension element decreases.
  • the band is through an opening in the guided him coupling element and forms a Loop, with the insides of the loop together or lie flat against the coupling element. It So there is no area of the band-like end of the tension element, that could lengthen at a tensile load. Rather, in the area of the clutch remains the get desired and set length of the tension element.
  • the coupling has a height dimension of maximum 3 mm up.
  • the clutch is so extraordinary flat, allowing a variety of tension elements in parallel can use their flat sides parallel to each other are aligned.
  • the width of the coupling exceeds the Width of the band by a maximum of 30%. So you admit that the coupling is slightly wider than the band, limited but at the same time the width of the clutch. Also This saves space, so that you have several tension elements can use side by side in the width direction.
  • the band has a thickness with a tolerance of a maximum of 0.1 mm.
  • This embodiment is especially advantageous if you have a holding device used in the event of a failure of the auxiliary energy, which are used for tensioning the tension element, holds the tension element.
  • the proportion of fibers should be here more than 50%.
  • the matrix exists made of polyamide.
  • the tension element is at least one Part of its length is guided in a guide profile, the having a coating.
  • the leadership profile supports the tension element on the part of its length prevented So that the tension element sags.
  • the coating sets the friction between the guide profile and the tension element down, so that again with small forces can work to move the tension element.
  • the coating as a Coating is formed, the graphite and / or molybdenum disulfide includes. Such coatings are particularly well suited to the friction between the To reduce tension element and the guide profile.
  • the drum and a pulley the return device in the same plane.
  • traction elements that have a have band-like section, prevents you on this way lateral loads, so loads across the plane of the ribbon.
  • Fig. 1 shows a Musterlegebarre 1 with a yarn guide 2 in a simplified representation. In reality it is the Musterlegebarre much longer and is in the Usually also have more than one thread guide 2. The Representation is chosen for simplicity.
  • the yarn guide 2 is attached to a tension element 3.
  • the tension element 3 is tensioned between a drive 4 and a tensioning device 5.
  • the tensioning device 5 generates a constant clamping force on the tension element 3 regardless of the position of the tension element 3.
  • the clamping device for example as Compressed air cylinder formed.
  • the drive 4 has an electric motor 6, the via a gear 7, a drum 8 drives.
  • the motor 6 is additionally provided with a sensor 9, the Angular position of the motor 6 determined.
  • the engine 6 can be designed as a servomotor, i. he has one Permanent magnet excited rotor and a rotating field winding on. It can also be excited as a permanent magnet Designate synchronous motor. Also, the use of a Asynchronous motor or a DC motor is in principle possible. Finally, the use is a stepper motor conceivable. An electronics to the Driving the motor 6 is used is for reasons the overview not shown.
  • the transmission 7 may be a translation of, for example 1:10 or 1:20 so that one for a twist the drum 8 by 1 °, a rotation of the rotor of Motors 6 at 10 ° or 20 ° needed.
  • the movement of the rotor of the motor 6 in a larger angle increment can be better controlled.
  • the tension element 3 has several sections.
  • a first Section is designed as a band 10, over a coupling 11 with a wire 12, a second Section of the tension element 3 forms, is connected (Fig. 5).
  • a wire can also be a wire rope or similar be used.
  • the coupling 11 has a first coupling element 15 and a second coupling element 13.
  • the tape 10 is guided by the second coupling element 13, more precisely said through an opening 14 and forms a Loop 10a.
  • the insides of the loop 10a lie either against each other or they are on the second coupling element 13, so that no areas formed are facing each other at a tensile load of the band could stretch the wire 12.
  • the length of the tension element 3 therefore remains unchanged regardless of the load.
  • the first coupling element 15 is connected by two parallel Plates 16, 17 formed.
  • the two plates are on the the tape 10 end facing by a bolt 18 with each other connected.
  • On the opposite end, that with The wire 12 is connected to a similar pin 19 arranged, the backlash passed through an eyelet 20 is, to which the wire 12 is attached.
  • the hook 21 has at its front End two projections 22 which in corresponding Openings 23 in the plates 16, 17 occur.
  • the projections 22 are biased away from each other, they feather so in the openings 23 inside.
  • You can at the Tip of the hook 21 may be formed, for example in that the hook 21 consists of two superposed ones Sheet metal is formed, their tips away from each other are bent.
  • the coupling 11 can be easily detached, by the hook 21 is released from the bolt 18.
  • the first coupling element 15 relative to the second coupling element 13 to pivot.
  • the hook 21 can also grab again behind the bolt 18 when the first one Coupling element 15 at an angle on the second coupling element 13 is applied, so that the two projections 22 engage in the openings 23.
  • Fig. 4 now shows a tension element 3 with attached yarn guide 2.
  • the thread guide 2 has a shaft 25th on, which is rigidly connected to a T-shaped holding part 26 is, i. between the shaft 25 and the holding part 26, no bending movements are possible.
  • the shaft 25 thus follows a movement of the tension element 3.
  • Slides 27, 28th are sliders 27, 28th arranged, with which the tension element 3 in the neighborhood the thread guide 2 can be supported, as will be explained with reference to FIG. 2.
  • Fig. 2 shows a perspective view of one opposite Fig. 1 modified guide bar 1 'with several Thread guides 2, each of which in the way they in Fig. 4, suspended from a tension member 3 is.
  • the tension elements 3 are in guide profiles 29, 30 led.
  • the guide profiles 29, 30 have a the number of thread guides corresponding number of grooves 31, 32 which are provided with a coating 33 are.
  • the coating 33 can by a lubricating varnish may be formed, which includes graphite or molybdenum disulfide. Combinations of these materials are possible.
  • the coating 33 interacts with the sliders 27, 28 together with little friction. Between the guide profiles 29, 30, a partition wall 34 is arranged.
  • the drive 4 is, as can be seen from Fig. 3, attached to a mounting plate 35.
  • the mounting plate 35 has several mounting positions, each with one Opening 36 through which the transmission 7 at least with an output shaft can be performed.
  • the drum 8 is attached to this output shaft, for example with the help of a cone or with the help of a splined connection, as it is known.
  • a stop plate 37 is attached, for each drive 4 a tooth or projection has, which forms a stop 38.
  • This Stop 38 cooperates with a rotation stop 39, the on the drive 4 facing side of the drum 8 is fixed, which explained with reference to FIGS. 6 and 7 will be.
  • the band 10 is through a slot 40 in the peripheral wall 41 of the drum 8 out.
  • the slot 40 is the Rotary stop 39 spatially assigned so that the tape 10th with a little less than one turn on the perimeter wall 41 of the drum 8 is wound when the rotation stop 39 abuts the stop 38.
  • an intermediate ring 42 is provided, on which the band 10th is fastened, for example by means of a screw 43.
  • the band 10 shed with the intermediate ring 42 is shown in Fig. 8.
  • the intermediate ring 42 has a peripheral surface 44, on which the tape 10 can be wound when the Intermediate ring 42 is rotated about its axis.
  • To twist the intermediate ring 42 has a torque application profile 45 on, made a variety on its inner wall arranged grooves exists. In this torque attack profile 45 may be a shown in Fig. 9 Intervene tool 46.
  • the intermediate ring 44 has a on its inner circumference circumferential projection 47, on the one inside the drum arranged disc 48 pushes through three circumferentially uniformly distributed screws 49 act.
  • the screws 49 are through an opening 50 accessible in the tool 46, even if the tool with the torque attack profile in attack.
  • the control of the yarn guide 2 is not only with a very great accuracy because the tape 10 on the The circumference of the drum 8 is fixed and not slip there can. There is also a relatively large offset path.
  • the offset between an initial position and an end position of the yarn guide 2 can be very large Accept values. For example, it can be more than 150 mm be, if the circumference of the drum 8 accordingly is great.
  • the band 10 is practically inextensible. It is as a plastic band formed, which directed from the direction of pull Fibers and a matrix of plastic. Of the Proportion of fibers is more than 50%. Plastic may be, for example, a polyamide.
  • the thickness of the Bandes 10 has a tolerance of less than 0.1 mm, so that the thickness of the tape has virtually no influence the positioning of the yarn guide 2 has when the tape is wound on the circumference of the drum 8. For the total travel is less than a turn of the Drum 8 required.
  • the thickness of the band 10 is less than 0.5 mm. Also, the wire 12 is in the occurring Tensile loads practically inextricable.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Looms (AREA)
EP04014691A 2003-07-16 2004-06-23 Métier à tricoter chaîne Expired - Lifetime EP1498531B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10332235 2003-07-16
DE10332235A DE10332235B3 (de) 2003-07-16 2003-07-16 Kettenwirkmaschine

Publications (2)

Publication Number Publication Date
EP1498531A1 true EP1498531A1 (fr) 2005-01-19
EP1498531B1 EP1498531B1 (fr) 2007-09-05

Family

ID=33461948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04014691A Expired - Lifetime EP1498531B1 (fr) 2003-07-16 2004-06-23 Métier à tricoter chaîne

Country Status (6)

Country Link
EP (1) EP1498531B1 (fr)
JP (1) JP3978201B2 (fr)
KR (1) KR100617365B1 (fr)
CN (1) CN100478511C (fr)
DE (2) DE10332235B3 (fr)
TW (1) TWI238865B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8132431B2 (en) 2009-09-18 2012-03-13 Karl Mayer Textilmaschinenfabrik Gmbh Knitting machine
EP2623654A1 (fr) * 2012-02-04 2013-08-07 Karl Mayer Textilmaschinenfabrik GmbH Agencement de barres de stockage d'un métier à tricoter à chaîne
EP4592437A3 (fr) * 2025-04-11 2025-11-05 KARL MAYER STOLL R&D GmbH Agencement de commande de motif, machine à tricoter chaîne associée à l'agencement de commande et procédé de réglage d'un disque de motif

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008035927A (ja) * 2006-08-02 2008-02-21 Sophia Precision Corp 鍛練装置
CN100451200C (zh) * 2006-08-18 2009-01-14 王占洪 编织机牵引杆连接扣
CN201003097Y (zh) * 2007-01-29 2008-01-09 王占洪 经编机花梳栉横移传动装置
CN103088543B (zh) * 2013-03-01 2015-05-13 广州市霏鸿机电科技有限公司 一种牵引铝轮装置
CN103266410B (zh) * 2013-05-14 2015-03-11 常州市武进五洋纺织机械有限公司 一种用于全成形服装生产的经编机
CN105671780A (zh) * 2016-04-01 2016-06-15 卡尔迈耶（中国）有限公司 经编机钢丝花梳精确定点归零装置
DE202022106404U1 (de) 2022-11-15 2022-11-21 Karl Mayer Stoll R&D Gmbh Kettenwirkmaschine und Musterlegevorrichtung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925683A1 (de) * 1979-06-19 1981-01-15 Sulzer Ag Legeschienenanschlusskupplung
DE19938871C1 (de) * 1999-08-17 2001-05-10 Mayer Textilmaschf Kettenwirkmaschine
DE10035160A1 (de) * 2000-07-19 2002-02-07 Mayer Textilmaschf Kettenwirkmaschine mit mindestens einer Barre
DE10041193A1 (de) * 2000-08-23 2002-03-14 Mayer Textilmaschf Kettenwirkmaschine mit mehreren Musterlegebarren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114012C3 (de) * 1991-04-29 1996-07-04 Liba Maschf Kettenwirkmaschine mit auf einer Legebarre angebrachten individuell bewegbaren Fadenführern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925683A1 (de) * 1979-06-19 1981-01-15 Sulzer Ag Legeschienenanschlusskupplung
DE19938871C1 (de) * 1999-08-17 2001-05-10 Mayer Textilmaschf Kettenwirkmaschine
DE10035160A1 (de) * 2000-07-19 2002-02-07 Mayer Textilmaschf Kettenwirkmaschine mit mindestens einer Barre
DE10041193A1 (de) * 2000-08-23 2002-03-14 Mayer Textilmaschf Kettenwirkmaschine mit mehreren Musterlegebarren

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8132431B2 (en) 2009-09-18 2012-03-13 Karl Mayer Textilmaschinenfabrik Gmbh Knitting machine
EP2623654A1 (fr) * 2012-02-04 2013-08-07 Karl Mayer Textilmaschinenfabrik GmbH Agencement de barres de stockage d'un métier à tricoter à chaîne
EP4592437A3 (fr) * 2025-04-11 2025-11-05 KARL MAYER STOLL R&D GmbH Agencement de commande de motif, machine à tricoter chaîne associée à l'agencement de commande et procédé de réglage d'un disque de motif

Also Published As

Publication number Publication date
KR100617365B1 (ko) 2006-08-28
EP1498531B1 (fr) 2007-09-05
TW200513561A (en) 2005-04-16
CN1576427A (zh) 2005-02-09
DE502004004849D1 (de) 2007-10-18
CN100478511C (zh) 2009-04-15
JP3978201B2 (ja) 2007-09-19
DE10332235B3 (de) 2005-06-16
TWI238865B (en) 2005-09-01
JP2005036380A (ja) 2005-02-10
KR20050009186A (ko) 2005-01-24

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