EP3683343A2 - Barre á éléments de tricotage d'un métier à tricoter à chaîne - Google Patents

Barre á éléments de tricotage d'un métier à tricoter à chaîne Download PDF

Info

Publication number: EP3683343A2
Authority: EP; European Patent Office
Prior art keywords: bar; active element; active; arrangement; element holder
Prior art date: 2020-05-20
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

EP20175602.0A

Other languages

German (de)

English (en)

Other versions

EP3683343B1 (fr

EP3683343A3 (fr

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 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.)

2020-05-20

Filing date

2020-05-20

Publication date

2020-07-22

2020-05-20 Application filed by Karl Mayer R&D GmbH filed Critical Karl Mayer R&D GmbH

2020-05-20 Priority to ES20175602T priority Critical patent/ES2922225T3/es

2020-05-20 Priority to EP20175602.0A priority patent/EP3683343B1/fr

2020-07-15 Priority to CN202010679403.9A priority patent/CN113699676B/zh

2020-07-22 Publication of EP3683343A2 publication Critical patent/EP3683343A2/fr

2020-12-09 Publication of EP3683343A3 publication Critical patent/EP3683343A3/fr

2021-04-22 Priority to TW110114575A priority patent/TWI791213B/zh

2021-05-17 Priority to KR1020210063594A priority patent/KR102572235B1/ko

2022-05-18 Application granted granted Critical

2022-05-18 Publication of EP3683343B1 publication Critical patent/EP3683343B1/fr

Status Active legal-status Critical Current

2040-05-20 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
- D04B27/06—Needle bars; Sinker bars
- 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
- 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 frames, each of which has several knitting elements, the knitting element frames resting against the bar with a bar contact surface and being releasably attached to the bar.
the active elements are usually cast into the active element holder.
the active element holder consists of lead or another metal or also of plastic or a combination thereof.
An active element holder usually has a width of 1 or 2 inches and a corresponding number of active elements.
the invention relates to the latter possibility.
the active elements are wear parts of the warp knitting machine, which must be replaced from time to time.
the screw must then be loosened for replacement.
the screw must be pulled out of the active element socket and inserted into a new active element socket. Then the screw must be screwed back into the bar.
This procedure is not only complex. Since a bar often has a length of several meters and a correspondingly large number of active element sockets, it often happens that a screw falls down and must be searched for. The risk of the screw falling into the warp knitting machine and causing greater damage there during operation is too great. Accordingly, the replacement of an active element holder is time-consuming and requires trained and skillful personnel.
the invention has for its object to make maintenance and servicing of an active element bar arrangement of a warp knitting machine simple.
an active element bar arrangement of the type mentioned at the outset in that at least one active element holder has a recess which is open on one side and in which a clamping element connected to the bar is arranged, which acts on the active element holder from a side opposite the parallel bar contact surface.
the replacement of an active element holder is relatively simple and less prone to errors.
the active element holder has been released from the bar and can be removed.
the installation a new active element holder takes place in reverse order.
the active element holder is brought into contact with the bar contact surface on the bar and pushed with the open recess to the clamping element, so that the clamping element is then in the recess.
the clamping element can then be tensioned again and holds the active element holder securely on the bar.
the only part that has to be separated from the bar is the active element holder. Accordingly, no further parts can be lost.
the recess is preferably arranged on the side of the active element holder facing away from the active elements.
the active element holder can then be pulled off transversely to the longitudinal extent of the bar and reassembled in the opposite direction, that is also transversely to the longitudinal extent of the bar. This makes it possible to replace a single active element holder without having to remove neighboring active element holders 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 low. If the legs were spread, the active element holder would deform, which could have a negative effect on the positioning of the active elements with respect to one another.
a non-rotatable intermediate piece which acts flat on the active element holder, is preferably arranged between the clamping element and the active element holder.
the clamping force can be distributed over the entire area of the active element by means of the intermediate piece, which acts flat on the active element holder and can, for example, simply be designed as a plate.
the intermediate piece which acts flat on the active element holder and can, for example, simply be designed as a plate.
the intermediate piece has a projection arrangement which is directed in the direction of the bar and counteracts spreading of the legs.
the projection arrangement is located, for example, on the outside of the legs, so that the legs would come into contact with the projection arrangement if they spread apart.
the intermediate piece thus forms a kind of lock.
the active element holder has a counter geometry that is adapted to the projection arrangement and that cooperates with the projection arrangement.
the projection arrangement can be triangular in cross section.
the active element holder 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 spacer is held at a distance from the bar that is necessary to mount a new active element holder. This makes assembly easier. After disassembling an active element holder, a free space remains in which a new active element holder can be inserted.
the spring arrangement preferably has an O-ring which surrounds the clamping element.
An O-ring made of an elastomer is a cost-effective component that compresses slightly when the clamping element is tensioned can be.
the O-ring has a thickness or height that is slightly larger than the thickness of the active element arrangement.
the bar preferably has a stop for the active element holder.
a position of the active-element holder is defined transversely to the longitudinal extent of the bar, on the other hand, the stop forms an anti-rotation device which prevents the active-element holder from rotating when the clamping element is tensioned or during operation.
the clamping element is advantageously designed as a screw or threaded bolt. To release the clamping element, it is sufficient to turn the screw or the threaded bolt, for example, by one turn. This lowers the clamping force to such an extent that the active element holder can be removed from the bar. To fix the active element holder, only a corresponding rotation of the screw or the threaded bolt in the opposite direction is then required. The replacement of an active element holder can therefore be carried out with little effort.
the bar preferably has a base body and a support element arrangement extending in the longitudinal direction of the base body, the clamping device being arranged on the support element arrangement and the support element arrangement being detachably fastened to the base body.
the active element holder can be mounted on the carrier element arrangement as long as the carrier element arrangement is not yet fastened to the base body.
the support element arrangement can also be equipped mechanically and, if appropriate, the active elements can also be straightened automatically or under machine control.
the carrier element arrangement can then be attached to the base body. On the warp knitting machine itself, where there is usually little space available for an operator then only a few steps are required.
the support element arrangement can be attached to the base body, for example, by screws or the like.
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, for example, have a length of 21 inches (53.34 cm).
a carrier element with such a length is easy to handle and can be positioned relative to the base body. Differences in division over the entire width of the bar can thus be compensated for.
Fig. 1 shows schematically an active element bar arrangement 1 of a warp knitting machine.
the bar arrangement 1 has a bar 2 and a plurality of active element sockets 3.
Each active element holder 3 has a plurality of active elements 4, which in the present case can be designed as laying needles.
the active element holder 3 has a bar contact surface 5 with which it rests on the bar 3. As will be described below, each active element holder 3 is detachably attached to the bar 2.
Fig. 1 three active element sockets 3 are shown.
the right-hand active-element holder 3 is only in contact with the bar 2 without being already fastened here.
the active-element holder 3 has a recess 6 which is open towards the edge of the active-element holder 3, specifically on the side of the active-element holder 3 which faces away from the active elements 4.
the recess 6 is laterally delimited by two legs 7, 8, so that the recess essentially has the shape of a "U". However, the bottom of the "U” does not have to be curved.
the "U” can also have an approximately rectangular shape.
the bar 2 has a threaded bore 9 into which a screw 10 ( Fig. 2 ) or a corresponding threaded bolt can be screwed in. Since the active element holder 3 has the open recess 6, the active element holder 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 flat on the active element holder 3.
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 holder 3 in one or a small number of angular positions. This ensures that a predetermined clamping force distribution on the active element holder 3 is always obtained.
the active element holder 3 is finally attached to the bar 2 when the above-mentioned screw 10 is screwed into the bar 2, see the left active element holder.
Fig. 3 shows a modified form of an intermediate piece 11.
the intermediate piece 11 has a projection arrangement with two projections 12, 13 which, when the intermediate piece 11 rests on the active element holder 3, encompass the two legs 7, 8 on the outside.
the legs 7, 8 have a correspondingly designed outer side, which cooperate with the inclined inner sides of the projections 12, 13.
the projections 12, 13 prevent the legs 7, 8 from spreading. Under certain circumstances, this would result in an undesired deformation of the active element holder 3.
the projections 12, 13 do not act on the outside of the legs 7, 8, but corresponding recesses 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 holder 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 larger than the thickness of the active element holder 3.
the O-ring 14 forms a spring arrangement which, when the screw 10 is loosened somewhat, 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 holder 3 can rest when the active element holder 3 is mounted on the bar 2.
the stop 15 thus forms a positioning aid.
it also forms an anti-rotation device, so that the active-element holder 3 also a predetermined orientation can be mounted on the bar 2, this orientation does not change even when the screw 10 is tightened.
Fig. 4 shows a modified embodiment of the bar 2.
the bar 2 has a base body 17 to which a plurality of carrier elements 18 are fastened.
the carrier elements are arranged one behind the other in the longitudinal direction of the bar 2, based on the representation of the Figure 4 vertical drawing plane.
the carrier elements can be mounted and removed on the base body 17.
she have a length of 21 inches, for example, 53.34 cm. Such a length can still be easily handled and fastened to the base body 17 with the desired accuracy.
the support elements can have been equipped with the active element holders 3 beforehand and the active elements 4 can be directed. This can also be done mechanically, because this straightening does not have to be carried out on the warp knitting machine 1, but at a position where there is sufficient space for handling.
the carrier elements 18 can be exchanged as a whole. If only a single active element holder is defective and needs to be replaced, the screw 10 can be loosened and the corresponding active element holder 3 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 screwing.

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Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Knitting Machines (AREA)
Knitting Of Fabric (AREA)

EP20175602.0A 2020-05-20 2020-05-20 Barre á éléments de tricotage d'un métier à tricoter à chaîne Active EP3683343B1 (fr)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
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
EP20175602.0A EP3683343B1 (fr)	2020-05-20	2020-05-20	Barre á éléments de tricotage d'un métier à tricoter à chaîne
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 (fr)	2020-05-20	2020-05-20	Barre á éléments de tricotage d'un métier à tricoter à chaîne

Publications (3)

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

Family

ID=70779590

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20175602.0A Active EP3683343B1 (fr)	2020-05-20	2020-05-20	Barre á éléments de tricotage d'un métier à tricoter à chaîne

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111910336A (zh) *	2020-08-19	2020-11-10	吴闩闩	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
KR200180755Y1 (ko) *	1999-12-01	2000-05-15	주식회사코스마	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 (fr) *	2011-09-16	2014-03-26	Karl Mayer Textilmaschinenfabrik GmbH	Barre d'outils active
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 (fr) *	2018-06-22	2021-03-10	KARL MAYER STOLL R&D GmbH	Monture d'outil de tricotage

2020
- 2020-05-20 ES ES20175602T patent/ES2922225T3/es active Active
- 2020-05-20 EP EP20175602.0A patent/EP3683343B1/fr active Active
- 2020-07-15 CN CN202010679403.9A patent/CN113699676B/zh active Active
2021
- 2021-04-22 TW TW110114575A patent/TWI791213B/zh active
- 2021-05-17 KR KR1020210063594A patent/KR102572235B1/ko active Active

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111910336A (zh) *	2020-08-19	2020-11-10	吴闩闩	一种纺织经编机用空心针床
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

Also Published As

Publication number	Publication date
TW202202682A (zh)	2022-01-16
EP3683343B1 (fr)	2022-05-18
KR20210143665A (ko)	2021-11-29
TWI791213B (zh)	2023-02-01
EP3683343A3 (fr)	2020-12-09
ES2922225T3 (es)	2022-09-12
CN113699676B (zh)	2023-12-01
CN113699676A (zh)	2021-11-26
KR102572235B1 (ko)	2023-08-29

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