EP3581691A1 - Outil de tricotage et machine de tricotage à chaîne - Google Patents

Outil de tricotage et machine de tricotage à chaîne Download PDF

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Publication number
EP3581691A1
EP3581691A1 EP19180071.3A EP19180071A EP3581691A1 EP 3581691 A1 EP3581691 A1 EP 3581691A1 EP 19180071 A EP19180071 A EP 19180071A EP 3581691 A1 EP3581691 A1 EP 3581691A1
Authority
EP
European Patent Office
Prior art keywords
knitting
elements
connecting piece
tool
bar
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
EP19180071.3A
Other languages
German (de)
English (en)
Other versions
EP3581691B1 (fr
Inventor
Tim Grundmann
Mathias Hacke
Kay Obmann
Pierre Schameitat
Günter Schuler
Michael Wallocha
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 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 EP19180071.3A priority Critical patent/EP3581691B1/fr
Priority to CN201911028951.9A priority patent/CN112080847A/zh
Publication of EP3581691A1 publication Critical patent/EP3581691A1/fr
Priority to TW109112334A priority patent/TWI740451B/zh
Priority to KR1020200058568A priority patent/KR102387216B1/ko
Application granted granted Critical
Publication of EP3581691B1 publication Critical patent/EP3581691B1/fr
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
    • D04B27/02—Warp-thread guides
    • 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
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/04—Latch needles

Definitions

  • the invention relates to a knitting tool for use in a groove in a bar of a warp knitting machine, with an elongated metal knitting element which has a functional section and a shaft section.
  • Warp knitting machines have knitting tools that process warp threads in a knitting process to form a textile material, a so-called knitted fabric. Warp knitting machines also have a plurality of bars, a plurality of knitting tools being arranged on each bar. Since a plurality of knitting tools can be moved simultaneously by means of a bar, a large number of stitches are formed simultaneously in the knitting process. This is the reason for the particularly high production output of warp knitting machines. The individual knitting tools are exposed to very high mechanical loads, particularly at high production speeds.
  • Knitting tools are often attached directly to bars of warp knitting machines, as in the EP 3 354 782 A1 is shown. Grooves in which the knitting tools are inserted are made in the bar. The knitting tools are attached to the bar by means of a needle bar cover, which is screwed onto the bar and holds the knitting tools securely in the grooves. This type of attachment of knitting tools to the bar is opposite to the use of knitting tool holders, such as, for example from the EP 2 570 540 B1 are known, the advantage that knitting tools can be replaced individually if they are worn or otherwise defective. A knitting tool holder combines several knitting tools, which, however, can only be replaced in groups. The use of knitting tool holders and fasteners for attaching them to the bar can result in a higher bar weight. This has a negative impact on the machine dynamics.
  • the invention is therefore based on the object of providing knitting tools which allow faster assembly.
  • the invention is also based on the object of stabilizing the knitting tools so that deformation of the knitting tools is counteracted.
  • the object is achieved by a knitting tool of the type described at the outset, which according to the invention has a plurality of knitting elements connected to one another.
  • the knitting tool according to the invention thus has two or more knitting elements.
  • the knitting tool is wider than a conventional knitting tool and can accordingly only be inserted into a particularly wide groove provided for this purpose. Since each knitting tool has several knitting elements, there are significantly fewer assembly steps necessary. The bar can therefore be loaded much faster.
  • the interconnected active elements stabilize each other, so that deformation of the active elements is counteracted.
  • the functional sections of the active elements can be a needle hook, a needle head with an eyelet or the like.
  • the shaft section of the active element is an elongated section of the active element which, when used as intended, is at least partially arranged within a groove in a bar.
  • the functional section protrudes from Barre.
  • the shaft section also forms a foot of the active element.
  • the active elements are preferably aligned parallel to one another.
  • the active elements are advantageously arranged in alignment with one another.
  • a connecting piece of the knitting tool is preferably arranged between adjacent knitting elements of the knitting tool, said connecting piece spacing the knitting elements from one another and integrally connecting them to one another.
  • the active elements are kept at a distance by the connecting piece. It has been found that a material connection of the active elements contributes to effective mutual stabilization.
  • the connecting piece is designed in the form of a web, that is to say the connecting piece forms a narrow connecting element between adjacent active elements.
  • the web-shaped connecting piece can be round or flat. It is alternatively possible for the connecting piece to be another Has shape, for example, it can extend flat between the adjacent active elements.
  • the connecting piece is arranged between the adjacent active elements, preferably partially or completely above a lower sixth of the active elements, each starting from a foot surface of the active elements.
  • the foot surfaces are located on the active elements opposite their functional sections.
  • the connecting piece acts on mutually facing flanks of the adjacent active elements.
  • the flanks of the active elements offer a sufficiently large surface area for fastening the connecting piece to the active elements.
  • the flanks are particularly good at absorbing forces.
  • the connecting piece only engages the mutually facing flanks of the adjacent active elements. This results in a compact structure of the knitting tool.
  • the adjacent active elements are connected to one another exclusively by the connecting piece. There are no other connecting elements between or on the active elements, which connect the active elements with each other. The total weight of the knitting tool is thereby kept as low as possible.
  • the connecting piece is aligned with the active elements.
  • the aligned arrangement of the connecting piece with the active elements results in a compact design of the knitting tool.
  • the knitting tool can be packed and transported to save space.
  • the connector is preferably made of a plastic and is glued to the active elements adjacent to the connector. This results in adequate stabilization of the active elements.
  • a polyamide can be selected as the plastic, but other plastics can also be used.
  • the connecting piece can consist of a metal, with a metallic material connection between the connecting piece and the active elements adjoining it.
  • the metallic connection of the active elements has proven to be particularly durable.
  • the knitting tool is accordingly produced by first providing a plurality of knitting elements.
  • the active elements are aligned parallel to one another, a connecting piece being arranged between adjacent active elements.
  • the active elements are then welded to the connecting elements. There is a permanent connection of the active elements with the
  • the connecting piece can consist of the same metal as the active elements. However, it is also possible according to the invention that the connecting piece consists of a different metal than the active elements.
  • the knitting tool is formed in one piece.
  • Such a knitting tool can be cast in one piece, for example, by means of a casting process. The result is a particularly stable connection of the active elements to the connecting pieces.
  • the knitting tool consists of two knitting elements and a connecting piece.
  • the knitting tool therefore has only two knitting elements and a connecting piece. This arrangement has proven to be particularly stable. Knitting tools with a larger number of active elements allow even faster loading of the bar, but the stability decreases with an increasing number of active elements.
  • the active elements are preferably knitting needles. These are exposed to particularly large forces when working with chains.
  • the knitting elements according to the invention can also be perforated needles or other knitting tools.
  • a slide needle is preferably used as the knitting needle. According to the invention, however, it can also be a knitting needle of a different type, such as a latch needle or a press needle.
  • the invention further relates to a warp knitting machine with a bar and with knitting elements arranged in the bar, each knitting element having a shaft section and a functional section, and wherein the bar bar has grooves for Includes recording of the active elements. It was observed that the active elements deform transversely to a longitudinal axis of the bar at high production speeds.
  • the invention is therefore based on the object of stabilizing the knitting tools in the grooves of the bar. The object is achieved by arranging a plurality of knitting elements which are connected to one another in each groove of the warp knitting machine. The active elements thus stabilize each other. Two or more active elements connected to one another are arranged in each groove.
  • the warp knitting machine can have one or more needle bar covers which close the grooves laterally.
  • the bar can be a needle bar, a laying bar or a bar of other functionality of the warp knitting machine.
  • a knitting tool according to the preceding statements is preferably arranged in each groove. This can result in different advantages in terms of stability, durability, compactness or other properties.
  • the connecting piece is arranged within the groove. This means that the connecting piece is located in the groove when the knitting tool is arranged as intended in the bar. There is a support effect of the connector on the bar.
  • the connecting piece is arranged outside the groove.
  • the groove is dimensioned such that two outer active elements of the knitting tool each rest with their shaft portion on lamellae of the bar.
  • the lamellae separate the grooves from each other.
  • the knitting tool is stabilized and fixed in the bar.
  • Fig. 1 shows a schematic view of a first variant of the knitting tool 1 according to the invention.
  • the knitting tool 1 has two knitting elements 2.
  • Each active element 2 has a shaft section 3 and a functional section 4.
  • the functional section 4 is a needle hook.
  • a connecting piece 5 of the knitting tool 1 connects the two knitting elements 2 to one another.
  • Both the active elements 2 and the connecting piece 5 consist of a metal.
  • the connecting piece 5 is welded to two mutually facing flanks 6 of the active elements 2.
  • This knitting tool 1 has only two knitting elements 2.
  • Fig. 2 shows a schematic view of a second variant of the knitting tool 1 according to the invention.
  • the knitting tool 1 has five knitting elements 2. Two outer knitting elements 7 and three inner knitting elements 8 can be distinguished. Adjacent active elements 2 are each connected to one another by connecting pieces 5. This Because of the quite large number of knitting elements 2 per knitting tool 1, knitting tool 1 allows a bar to be equipped particularly quickly.
  • Fig. 3 shows a section of a bar 9 of a warp knitting machine according to the invention in a schematic view.
  • the bar 9 has a plurality of grooves 10 which have been milled into the bar 9.
  • One of the grooves 10 is left empty as an example.
  • a knitting tool 1 according to the invention is arranged in each of the other grooves 10.
  • Each knitting tool 1 has two knitting elements 2, which are each connected to one another by means of a connecting piece 5.
  • the connecting piece 5 stabilizes the active elements 2 in particular against forces which act transversely to a longitudinal axis 11 of the bar 9.
  • Mutual stabilization of the interconnected active elements 2 occurs.
  • a shaft section 3 of each active element 2 lies against a lamella 12.
  • the active elements 2 are thus fixed in the bar 9 so that they cannot be moved in the direction of the longitudinal axis 11 of the bar 9.
  • the active elements 2 are also seated with a foot 13 on a groove base 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP19180071.3A 2019-06-13 2019-06-13 Outil de tricotage et machine de tricotage à chaîne Active EP3581691B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP19180071.3A EP3581691B1 (fr) 2019-06-13 2019-06-13 Outil de tricotage et machine de tricotage à chaîne
CN201911028951.9A CN112080847A (zh) 2019-06-13 2019-10-28 成圈工具和经编机
TW109112334A TWI740451B (zh) 2019-06-13 2020-04-13 成圈工具和經編機
KR1020200058568A KR102387216B1 (ko) 2019-06-13 2020-05-15 편직 공구 및 경편기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19180071.3A EP3581691B1 (fr) 2019-06-13 2019-06-13 Outil de tricotage et machine de tricotage à chaîne

Publications (2)

Publication Number Publication Date
EP3581691A1 true EP3581691A1 (fr) 2019-12-18
EP3581691B1 EP3581691B1 (fr) 2023-03-08

Family

ID=66857826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19180071.3A Active EP3581691B1 (fr) 2019-06-13 2019-06-13 Outil de tricotage et machine de tricotage à chaîne

Country Status (4)

Country Link
EP (1) EP3581691B1 (fr)
KR (1) KR102387216B1 (fr)
CN (1) CN112080847A (fr)
TW (1) TWI740451B (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618542A (en) * 1970-03-20 1971-11-09 Singer Co Multineedle unit
US4137730A (en) * 1978-04-20 1979-02-06 Bassist Rudolf G Needle support assembly for a knitting machine
EP1600543A1 (fr) * 2004-05-27 2005-11-30 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour éléments de tricotage à mailles jetées
EP2570540A1 (fr) 2011-09-16 2013-03-20 Karl Mayer Textilmaschinenfabrik GmbH Formation d'outil effectif
EP2578733A1 (fr) * 2010-06-04 2013-04-10 Showa Glove Co. Élément de guidage d'aiguille à tricoter, aiguille à tricoter, procédé de tricotage, tricot et gants
DE102015010016A1 (de) * 2015-11-10 2017-05-11 Mark Pfeffer Maschenbildende Nadel
EP3354782A1 (fr) 2017-01-25 2018-08-01 Karl Mayer Textilmaschinenfabrik GmbH Barre de machine à tricoter et procédé de montage d'outils de tricotage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7146829B1 (en) * 2005-11-15 2006-12-12 Pai Lung Machinery Mill Co., Ltd. Yarn clamp assembly of a knitting machine
DE102006004098B3 (de) * 2006-01-28 2007-09-06 Karl Mayer Textilmaschinenfabrik Gmbh Barre einer Wirkmaschine
CN202415891U (zh) * 2011-12-20 2012-09-05 汕头市中绣机械有限公司 多梳经编机的新型花梳栉
DE102014103261B4 (de) * 2014-03-11 2017-02-23 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Verfahren zur Herstellung eines fadenberührenden Elements und fadenberührendes Element, insbesondere für Strick- oder Wirkmaschinen
PT3124664T (pt) * 2015-07-30 2020-03-23 Groz Beckert Kg Método e dispositivo para a formação de laço
CN206034013U (zh) * 2016-08-30 2017-03-22 宜兴市华宜针织有限公司 双针床经编机成圈机构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618542A (en) * 1970-03-20 1971-11-09 Singer Co Multineedle unit
US4137730A (en) * 1978-04-20 1979-02-06 Bassist Rudolf G Needle support assembly for a knitting machine
EP1600543A1 (fr) * 2004-05-27 2005-11-30 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour éléments de tricotage à mailles jetées
EP2578733A1 (fr) * 2010-06-04 2013-04-10 Showa Glove Co. Élément de guidage d'aiguille à tricoter, aiguille à tricoter, procédé de tricotage, tricot et gants
EP2570540A1 (fr) 2011-09-16 2013-03-20 Karl Mayer Textilmaschinenfabrik GmbH Formation d'outil effectif
DE102015010016A1 (de) * 2015-11-10 2017-05-11 Mark Pfeffer Maschenbildende Nadel
EP3354782A1 (fr) 2017-01-25 2018-08-01 Karl Mayer Textilmaschinenfabrik GmbH Barre de machine à tricoter et procédé de montage d'outils de tricotage

Also Published As

Publication number Publication date
KR102387216B1 (ko) 2022-04-15
KR20200143247A (ko) 2020-12-23
TW202045788A (zh) 2020-12-16
CN112080847A (zh) 2020-12-15
TWI740451B (zh) 2021-09-21
EP3581691B1 (fr) 2023-03-08

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