EP3683343B1 - Wirkelement-barrenanordnung einer kettenwirkmaschine - Google Patents

Wirkelement-barrenanordnung einer kettenwirkmaschine Download PDF

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Publication number
EP3683343B1
EP3683343B1 EP20175602.0A EP20175602A EP3683343B1 EP 3683343 B1 EP3683343 B1 EP 3683343B1 EP 20175602 A EP20175602 A EP 20175602A EP 3683343 B1 EP3683343 B1 EP 3683343B1
Authority
EP
European Patent Office
Prior art keywords
bar
warp knitting
arrangement
active element
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.)
Active
Application number
EP20175602.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3683343A2 (de
EP3683343A3 (de
Inventor
Klaus Brandl
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 Stoll R&D GmbH
Original Assignee
Karl Mayer Stoll R&D 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 Stoll R&D GmbH filed Critical Karl Mayer Stoll R&D GmbH
Priority to EP20175602.0A priority Critical patent/EP3683343B1/de
Priority to ES20175602T priority patent/ES2922225T3/es
Priority to CN202010679403.9A priority patent/CN113699676B/zh
Publication of EP3683343A2 publication Critical patent/EP3683343A2/de
Publication of EP3683343A3 publication Critical patent/EP3683343A3/de
Priority to TW110114575A priority patent/TWI791213B/zh
Priority to KR1020210063594A priority patent/KR102572235B1/ko
Application granted granted Critical
Publication of EP3683343B1 publication Critical patent/EP3683343B1/de
Active 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
    • 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
    • D04B27/06—Needle bars; Sinker bars
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines

Definitions

  • the present invention relates to a knitting element bar arrangement of a warp knitting machine with a bar and a plurality of knitting element holders, each of which has a plurality of knitting elements, the knitting element holders bearing against the bar with a bar contact surface and being detachably fastened to the bar, with at least one knitting element holder on one side has an open recess in which a clamping element connected to the bar is arranged, which acts on the active element socket from a side opposite the bar contact surface.
  • Such an active element bar arrangement is, for example U.S. 2,694,302 A famous.
  • the bar has several elongated holes for attaching the active element mounts, into which a screw-nut combination can be inserted.
  • the active element sockets also have a slot that can be pushed onto the screw. When the nut is then tightened, the effector socket is clamped to the bar.
  • DE 94 16 104 U1 shows a module for tufting tools having a plurality of needles arranged in a carrier body. On its side facing away from the needles, the carrier body has an elongated hole, with which the carrier body can be pushed over a bolt in order to be fastened there.
  • the active elements are usually cast into the active element socket.
  • the active element socket consists of lead or another metal or also of plastic or a combination thereof.
  • An active element socket usually has a width of 1 or 2 inches (2.54 cm or 5.08 cm) and a corresponding number of active elements.
  • the invention relates to the latter possibility.
  • the object of the invention is to make maintenance and servicing of a knitting element bar arrangement of a warp knitting machine simple.
  • an active element bar arrangement of the type mentioned at the outset in that the bar has a base body and a carrier element arrangement extending in the longitudinal direction of the base body, the clamping device being arranged on the carrier element arrangement and the carrier element arrangement being fastened to the base body in a removable manner.
  • the replacement of an active element socket is relatively simple and less susceptible to errors.
  • the active element socket has been released from the bar and can be removed.
  • a new active element socket is installed in the reverse order.
  • the active element socket is brought into contact with the bar with its bar contact surface and is pushed with the open recess towards the clamping element, so that the clamping element is then located in the recess.
  • the clamping element can then be tightened again and securely holds the active element socket on the bar.
  • the only part that needs to be separated from the bar is the active element socket. Accordingly, no further parts can be lost.
  • An embodiment with a support element arrangement has advantages, particularly when replacing all the active element mounts completely.
  • the active element socket can be mounted on the carrier element arrangement as long as the carrier element arrangement is not yet attached to the base body.
  • the carrier element arrangement can also be equipped by machine and, if necessary, the knitting elements can also be aligned automatically or under machine control.
  • the carrier element arrangement can then be attached to the base body will. On the warp knitting machine itself, where there is usually only little space for an operator, only a few hand movements are then necessary.
  • the carrier element arrangement can be fastened to the base body, for example, by means of screws or the like.
  • the recess is preferably arranged on the side of the active element mount facing away from the active elements.
  • the active element socket can then be removed transversely to the longitudinal extent of the bar and reassembled in the opposite direction, ie likewise transversely to the longitudinal extent of the bar. This makes it possible to replace a single active element socket without having to remove neighboring active element sockets as well.
  • the recess is preferably delimited laterally by two legs and the clamping element acts on the legs.
  • the recess is U-shaped.
  • the clamping element is then arranged in the middle of the U and acts only or at least also on the legs. This has the advantage that the risk of the legs spreading can be kept small. If the legs were to spread apart, the active element mount would be deformed, which could have a negative effect on the positioning of the active elements relative to one another.
  • an intermediate piece is arranged that is secured against rotation and acts flatly on the active element socket.
  • the clamping force can be distributed over the surface of the active element with the intermediate piece that acts flatly on the active element mount, which can be designed simply as a plate, for example.
  • the anti-twist device always ensures that the adapter is in a specific position relative to the active element chamfer. Both of these contribute to counteracting a deformation of the active element socket. The risk of having to adjust the active elements again after the installation of the active element socket is kept correspondingly small.
  • the intermediate piece has a projection arrangement which is directed in the direction of the bar and counteracts the legs from spreading.
  • the projection arrangement is on the outside of the legs so that the legs would engage the projection arrangement if they were to spread.
  • the intermediate piece thus forms a kind of locking mechanism.
  • the active element socket has a counter-geometry that is adapted to the projection arrangement and interacts with the projection arrangement.
  • the projection arrangement can be triangular in cross section.
  • the active element mount then has correspondingly beveled sections on the legs.
  • a spring arrangement advantageously acts on the intermediate piece in a direction pointing away from the bar.
  • the spring arrangement ensures that the adapter is held at a distance from the bar that is necessary to mount a new active element socket. This makes assembly easier. After dismantling an active element socket, a free space remains in which a new active element socket can be inserted.
  • the spring assembly includes an O-ring surrounding the clamp member.
  • An elastomeric O-ring is an inexpensive component that can be slightly compressed when the clamping element is tightened.
  • the O-ring has a thickness or height slightly greater than the thickness of the end effector assembly.
  • the bar preferably has a stop for the active element mount.
  • the clamping element is advantageously designed as a screw or threaded bolt. To loosen the clamping element, it is sufficient to turn the screw or the threaded bolt by one turn, for example. The clamping force is thus reduced to such an extent that the active element socket can be removed from the bar. In order to fix the active element mount, only a corresponding rotation of the screw or the threaded bolt in the opposite direction is then required. The exchange of an active element socket can therefore be carried out with little effort.
  • the carrier element arrangement advantageously has a plurality of carrier elements which are arranged next to one another in the longitudinal direction of the bar.
  • a carrier element can have a length of 21 inches (53.34 cm), for example.
  • a carrier element with such a length is easy to handle and can be positioned relative to the base body. In this way, pitch differences can be compensated over the entire width of the bar.
  • the bar arrangement 1 has a bar 2 not according to the invention and a plurality of active element sockets 3 .
  • Each active element holder 3 has several active elements 4, which in the present case can be designed as guide needles.
  • the active element mount 3 has a bar contact surface 5 with which it bears against the bar 3 .
  • each active element socket 3 is detachably attached to the bar 2 .
  • the active element socket 3 has a recess 6 which is open towards the edge of the active element socket 3 and specifically on the side of the active element socket 3 which faces away from the active elements 4 .
  • the recess 6 is delimited laterally by two legs 7, 8, so that the recess essentially has the shape of a "U".
  • the bottom of the "U” does not have to be curved, however.
  • the "U” can also have an approximately rectangular shape.
  • the bar 2 has a threaded hole 9 into which a screw 10 ( 2 ) or a corresponding threaded bolt can be screwed in. Since the active element socket 3 has the open recess 6, the active element socket 3 can also be mounted on the bar 2 when the screw 10 has already been screwed into the bar 2.
  • an intermediate piece 11 which can also be referred to as a "clamping plate” and acts on the active element socket 3 over a large area.
  • the intermediate piece 11 also covers the legs 7, 8.
  • the intermediate piece 11 is secured against rotation. It can only act on the active element socket 3 in one or a small number of angular positions. This ensures that a predetermined clamping force distribution on the active element mount 3 is always obtained.
  • the end effector socket 3 is finally fixed to the bar 2 when the above-mentioned screw 10 is screwed into the end effector bar 2, see the left end effector socket.
  • the intermediate piece 11 has a projection arrangement with two projections 12, 13 which, when the intermediate piece 11 rests on the active element socket 3, encompass the two legs 7, 8 on the outside.
  • the legs 7, 8 have a correspondingly formed outer side, which cooperates with the inclined inner sides of the projections 12, 13. So when the intermediate piece 11 is clamped onto the active element socket 3 by the screw 10, the projections 12, 13 prevent the legs 7, 8 from being able to spread. Under certain circumstances, this would result in an undesired deformation of the active element socket 3 .
  • the projections 12, 13 do not act on the outside of the legs 7, 8, but that corresponding depressions are provided in the legs 7, 8, into which the projections 12, 13 can enter.
  • the intermediate piece 11 does not have to have a greater width than the active element socket 3 .
  • the screw 10 is surrounded by an O-ring 14.
  • the O-ring 14 has a thickness which, in the relaxed state, is slightly greater than the thickness of the active element socket 3.
  • the O-ring 14 forms a spring arrangement which, when the screw 10 is loosened somewhat, separates the intermediate piece 11 from the bar 2 pushes away.
  • the bar 2 has a stop 15 against which the legs 7 , 8 of the active element socket 3 can bear when the active element socket 3 is mounted on the bar 2 .
  • the stop 15 thus forms a positioning aid. He also forms an anti-rotation, so that the active element socket 3 with can be mounted on the bar 2 in a predetermined orientation, which orientation does not change even when the screw 10 is tightened.
  • the active element mount 3 can be pulled off the bar 2 in the direction of the double arrow 16 .
  • This direction of the double arrow 16 runs approximately perpendicularly to the longitudinal extent of the bar 2 .
  • the intermediate piece 11 remains at a certain distance from the bar 2 because the O-ring 14 prevents the intermediate piece 11 from approaching the bar 2 .
  • a new or revised active element mount 3 can then be pushed into the space between the intermediate piece 11 and the bar 2 kept free by the O-ring 14 until the active element mount 3 comes to rest against the stop 15 . Then only the screw 10 has to be tightened again, again only one rotation being required to generate the necessary clamping force.
  • the screw 10 thus forms a clamping element.
  • Other clamping elements are possible, for example a clamping lever or the like.
  • the bar 2 has a base body 17 to which a plurality of carrier elements 18 are fastened.
  • the support elements are arranged one behind the other in the longitudinal direction of the bar 2, based on the representation of FIG figure 4 i.e. vertical drawing plane.
  • the support elements are fastened to the base body 17 so that they can be assembled and disassembled.
  • she have a length of 21 inches, i.e. 53.34 cm. Such a length can still be easily handled and attached to the base body 17 with the desired accuracy.
  • the carrier elements can already have been fitted with the active element sockets 3 beforehand and the active elements 4 can have been directed. This can also be done by machine, because this straightening does not have to be done on the warp knitting machine 1, but at a position where there is enough space for handling.
  • the screw 10 and the intermediate piece 11 are then fastened to the carrier element 18 .
  • the carrier elements 18 can be exchanged altogether. If only a single active element socket is defective and needs to be replaced, the screw 10 can be loosened and the corresponding active element socket 3 can be removed.
  • the attachment of the carrier elements 18 to the base body 17 is not shown in detail. It can be done for example by screws.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Knitting Of Fabric (AREA)
EP20175602.0A 2020-05-20 2020-05-20 Wirkelement-barrenanordnung einer kettenwirkmaschine Active EP3683343B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20175602.0A EP3683343B1 (de) 2020-05-20 2020-05-20 Wirkelement-barrenanordnung einer kettenwirkmaschine
ES20175602T ES2922225T3 (es) 2020-05-20 2020-05-20 Disposición de barras de elemento para tricotar de una máquina de géneros de punto de urdimbre
CN202010679403.9A CN113699676B (zh) 2020-05-20 2020-07-15 经编机器的编织元件梳栉组件
TW110114575A TWI791213B (zh) 2020-05-20 2021-04-22 經編機器的編織元件梳櫛組件
KR1020210063594A KR102572235B1 (ko) 2020-05-20 2021-05-17 경편기의 편성 요소 바 배열체

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20175602.0A EP3683343B1 (de) 2020-05-20 2020-05-20 Wirkelement-barrenanordnung einer kettenwirkmaschine

Publications (3)

Publication Number Publication Date
EP3683343A2 EP3683343A2 (de) 2020-07-22
EP3683343A3 EP3683343A3 (de) 2020-12-09
EP3683343B1 true EP3683343B1 (de) 2022-05-18

Family

ID=70779590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20175602.0A Active EP3683343B1 (de) 2020-05-20 2020-05-20 Wirkelement-barrenanordnung einer kettenwirkmaschine

Country Status (5)

Country Link
EP (1) EP3683343B1 (ko)
KR (1) KR102572235B1 (ko)
CN (1) CN113699676B (ko)
ES (1) ES2922225T3 (ko)
TW (1) TWI791213B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111910336B (zh) * 2020-08-19 2021-10-29 浙江中多纺织科技股份有限公司 一种纺织经编机用空心针床

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694302A (en) * 1952-12-31 1954-11-16 Carl E Weinberg Mechanism for warp knitting machines
IT1067328B (it) * 1976-12-28 1985-03-16 Brevitex Ets Exploit Perfezionamenti alle macchine a crochet,allo scopo di aumentarne la velocita' di lavoro
DE9403286U1 (de) * 1994-02-28 1994-05-05 Jos. Zimmermann GmbH & Co KG, 52062 Aachen Modul für Tuftingwerkzeuge
KR20000030098A (ko) * 1999-12-01 2000-06-05 이이기 양말편직기의 잔사제거 및 마무리장치
DE10041193B4 (de) * 2000-08-23 2004-07-22 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine mit mehreren Musterlegebarren
JP4287035B2 (ja) * 2000-09-28 2009-07-01 日本マイヤー株式会社 経編機におけるジャカードガイドを個別に制御する装置
CN201116328Y (zh) * 2008-01-08 2008-09-17 郑依福 集成式经编机提花导纱装置
EP2570541B1 (de) * 2011-09-16 2014-03-26 Karl Mayer Textilmaschinenfabrik GmbH Wirkwerkzeugbarre
CN103966756B (zh) * 2014-05-26 2015-12-09 江南大学 基于伺服驱动的槽针经编机形成压纱组织的方法
EP3587644B1 (de) * 2018-06-22 2021-03-10 KARL MAYER STOLL R&D GmbH Wirkwerkzeugfassung

Also Published As

Publication number Publication date
EP3683343A2 (de) 2020-07-22
KR102572235B1 (ko) 2023-08-29
ES2922225T3 (es) 2022-09-12
TWI791213B (zh) 2023-02-01
KR20210143665A (ko) 2021-11-29
CN113699676A (zh) 2021-11-26
EP3683343A3 (de) 2020-12-09
TW202202682A (zh) 2022-01-16
CN113699676B (zh) 2023-12-01

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