EP3354780B1 - Métier à tricoter à chaîne - Google Patents

Métier à tricoter à chaîne Download PDF

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Publication number
EP3354780B1
EP3354780B1 EP17152975.3A EP17152975A EP3354780B1 EP 3354780 B1 EP3354780 B1 EP 3354780B1 EP 17152975 A EP17152975 A EP 17152975A EP 3354780 B1 EP3354780 B1 EP 3354780B1
Authority
EP
European Patent Office
Prior art keywords
knitting
tools
tool assembly
warp
knitting tools
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
EP17152975.3A
Other languages
German (de)
English (en)
Other versions
EP3354780A1 (fr
Inventor
Matthias Arnold
Alexander Keller
M'Barek Chakif
Frank Oppolzer
Stephan Bender
Jens Fischer
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 EP17152975.3A priority Critical patent/EP3354780B1/fr
Priority to CN201710191109.1A priority patent/CN108360141B/zh
Priority to KR1020180008502A priority patent/KR102006805B1/ko
Publication of EP3354780A1 publication Critical patent/EP3354780A1/fr
Application granted granted Critical
Publication of EP3354780B1 publication Critical patent/EP3354780B1/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
    • 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
    • D04B27/04—Sinkers
    • 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 invention relates to a warp knitting machine with a first knitting tool arrangement, which has a plurality of first knitting tools that can be moved in the same way, and a second knitting tool arrangement, the first knitting tool arrangement and the second knitting tool arrangement being movable relative to one another during a stitch-forming cycle, the first knitting tool arrangement moving at least in part of the stitch-forming cycle Support knitting tools on the second knitting tool arrangement and the second knitting tool arrangement has lamellae between which lamellar lanes are formed, in which the first knitting tools are arranged at least in part of the stitch-forming process.
  • WO 03/056085 A1 describes a method and a system for the production of a multi-layer, prefixed thread or fiber structure.
  • the system has a stitch-forming point in which knitting needles designed as sliding needles interact with slides.
  • a support bar is provided, which faces the plane of the knitting needles Page pitch fair have guide projections that can lead the shafts of the knitting needles laterally.
  • DE 32 41 154 A1 shows a warp knitting machine with a first knitting tool arrangement, which has a plurality of similarly movable knitting needles attached to a bar and an enclosing and knocking-over sinker, wherein the knitting needles and the enclosing and knocking-over sinker are movable relative to one another during a stitch formation cycle and can support one another.
  • GB 191511969A describes a knitting machine with knitting needles as the first knitting tool arrangement, which interact with sinkers. A wire is guided in each sinker to prevent the knitting needles from protruding from the space between the sinkers. This means that the knitting needles are also supported here against a pull in the take-off direction, but not against forces that act parallel to the longitudinal extent of a bar.
  • EP 0 302 209 A1 shows a crochet machine with knitting needles and compound needles.
  • the knitting needles are arranged on a knitting needle bar.
  • the sliders of the compound needles are attached to a sliding bar. Furthermore, a knock-off rail is provided.
  • EP 2 770 097 A1 shows a warp knitting machine for producing looped goods, in which a large number of slides are arranged in a slide bar.
  • the sliders interact with knitting needles.
  • the sliders are of different heights so that a first set of stitches will drop later than a second set of stitches.
  • Similar knitting tools are arranged on a bar, possibly also on several bars.
  • the bars extend in the width direction of the warp knitting machine.
  • warp threads which run in the form of a sheet of threads, for example, are connected to other warp threads to form a textile fabric. This generally requires a lateral movement of the warp threads, which in turn exerts a pull on the knitting tools, which, depending on the magnitude of the forces acting, can lead to a deformation of the knitting tools.
  • the object of the invention is to provide a warp knitting machine with high productivity.
  • a knitting tool can be viewed in simplified terms as a bending beam that is clamped at one end in a corresponding bar. Outside of the clamping, this bending beam can be bent. If you now outside the clamping a provides additional support by the second knitting tool assembly, then this deflection can be kept small.
  • the first knitting tools When the first knitting tools are supported on the second knitting tool arrangement, the first knitting tools come to rest against the lamellae. This departs from the previously held view that contact between the first knitting tools and the second knitting tool arrangement should be avoided, but even explicitly uses such contact to form a support for the first knitting tools.
  • a small gap is provided between the first knitting tools and the second knitting tool arrangement as long as the first knitting tools do not bear against the second knitting tool arrangement. This gap allows low-wear interaction of the first knitting tools with the second knitting tool arrangement. The widening of the gap is a measure to prevent threads from being jammed in the gap in a certain position, the so-called "ejection position".
  • the first knitting tools each have a fastening area with which they are fastened to a bar, a working area and a transition area between the fastening area and the working area, with the second knitting tool arrangement interacting with the transition area.
  • the working area is thus excluded from a support, so that the working area of the corresponding knitting tool can remain free for its actual task.
  • the transition area preferably has a greater width than the working area.
  • the transition area already has one accordingly slightly more rigid.
  • the support provided by the second knitting tool assembly resists deflection.
  • the widening of the gap can be formed by a chamfer on the lamellae.
  • the widening of the gap is formed by a change in thickness of the first knitting tools. In both cases, there is an approximately triangular widening of the gap in the section, in which the threads can be prevented from becoming jammed in an ejection position.
  • the first knitting tools are designed as compound needles and the second knitting tool arrangement as a knock-over comb bar or as a sinker.
  • the knock-over comb bar is used in a Raschel machine, while the knitting sinker is used in a warp knitting machine with practically the same function.
  • the first knitting tools 1 show schematically parts of a warp knitting machine with a first knitting tool arrangement 1, which has a multiplicity of first knitting tools that can be moved in the same way.
  • the first knitting tools are designed as compound needles.
  • the first knitting tools 1 each have a fastening area 3, with which they are fastened to a bar 4, a working area 5, which has a needle head 6 in the present exemplary embodiment, and a transition area 7, which is arranged between the fastening area 3 and the working area 5 .
  • a second knitting tool arrangement 8 interacts with the first knitting tools 2 .
  • the second knitting tool arrangement 8 is designed as a knock-over comb bar.
  • a knock-off comb bar is usually used in so-called Raschel machines.
  • a knitting board can be used instead of the knock-over comb bar.
  • the second knitting tool arrangement 8 is designed with a multiplicity of lamellae 9 .
  • Lamella lanes 10 are formed between the lamellae 9, in which the first knitting tools 2 are arranged at least in part of the stitch-forming process.
  • a gap 11 is provided between the first knitting tools 2 and the lamellae 9 .
  • the gap 11 has a relatively small thickness. It only has to be big enough for the first knitting tools 2 to be able to move freely in the lamella lanes 10 .
  • a pitch is marked with "a”, ie a center distance of the first knitting tools 2.
  • the first knitting tools 2 have a width b in the area of the lamella lanes 10 .
  • transition area 7 has a greater thickness or width than the working area 5 .
  • the transition area 7 can also be configured with a transition in thickness, ie with a first thickness in an area 12 and a second greater thickness in an area 13.
  • the second knitting tools are then supported on the lamellae 9 with the area of greater thickness.
  • the first knitting tools 2 are supported in the ejection position on the second knitting tool arrangement 8, while in the knock-off position ( 3 ) have come free from the second knitting tool assembly 8 . Accordingly, the second knitting tool arrangement 8 does not impede the knocking over of the threads handled by the first knitting tools 2 .
  • Figures 4 and 5 show two ways of preventing such jamming. Both options can also be used in combination with one another. In both configurations, the gap 11 is widened, specifically in an inlet area 14 which is adjacent to the working area 5 .
  • the lamellae 9 have a chamfer 15, so that there is a gap with a width s* on the side of the lamellae 9 facing the working area 5, where s* ⁇ s.

Landscapes

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

Claims (6)

  1. Métier à tricoter à chaîne avec un premier système d'éléments de tricotage (1), qui comporte une pluralité de premiers éléments de tricotage (2) mobiles de la même façon et un deuxième système d'éléments de tricotage (8), sachant que le premier système d'éléments de tricotage (1) et le deuxième système d'éléments de tricotage (8) peuvent être mobiles l'un par rapport à l'autre pendant un cycle de formation de mailles sachant qu'au moins dans une partie du cycle de formation de mailles, les premiers éléments de tricotage (2) s'appuient sur le deuxième système d'éléments de tricotage (8) et le deuxième système d'éléments de tricotage (8) comporte des lamelles (9) entre lesquelles sont constituées des interstices de lamelles (10) dans lesquelles les premiers éléments de tricotage (2) sont disposés au moins dans une partie du processus de formation de mailles, caractérisé en ce qu'une zone d'entrée (14) voisine d'une zone de travail (5) des premiers éléments de tricotage (2) comporte un élargissement d'intervalle (s*) entre les lamelles (9) et les premiers éléments de tricotage (2).
  2. Métier à tricoter à chaîne, selon la revendication 1, caractérisé en ce que les premiers éléments de tricotage (2) comportent respectivement une zone de fixation (3) avec laquelle ils sont fixés à une barre (4), la zone de travail (5) et une zone de transition (7) entre la zone de fixation (3) et la zone de travail (5), sachant que le deuxième système d'éléments de tricotage (8) coopère avec la zone de transition (7).
  3. Métier à tricoter à chaîne, selon la revendication 2, caractérisé en ce que la zone de transition (7) comporte dans la direction de la largeur du métier à tricoter à chaîne une largeur plus grande que la zone de travail (5) .
  4. Métier à tricoter à chaîne, selon l'une quelconque des revendications 1 à 3, caractérisé ce que l'élargissement d'intervalle (s*) est formé par un chanfrein (15) sur les lamelles (9).
  5. Métier à tricoter à chaîne, selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élargissement d'intervalle (s*) est formé par une modification d'épaisseur (12, 13) des premiers éléments de tricotage (2).
  6. Métier à tricoter à chaîne, selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les premiers éléments de tricotage (2) sont constitués comme des aiguilles à coulisse et le deuxième système d'éléments de tricotage (8) comme barre de peigne d'abattage ou comme platine de tricotage.
EP17152975.3A 2017-01-25 2017-01-25 Métier à tricoter à chaîne Active EP3354780B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17152975.3A EP3354780B1 (fr) 2017-01-25 2017-01-25 Métier à tricoter à chaîne
CN201710191109.1A CN108360141B (zh) 2017-01-25 2017-03-28 经编机
KR1020180008502A KR102006805B1 (ko) 2017-01-25 2018-01-23 경편기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17152975.3A EP3354780B1 (fr) 2017-01-25 2017-01-25 Métier à tricoter à chaîne

Publications (2)

Publication Number Publication Date
EP3354780A1 EP3354780A1 (fr) 2018-08-01
EP3354780B1 true EP3354780B1 (fr) 2022-03-09

Family

ID=57890732

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17152975.3A Active EP3354780B1 (fr) 2017-01-25 2017-01-25 Métier à tricoter à chaîne

Country Status (3)

Country Link
EP (1) EP3354780B1 (fr)
KR (1) KR102006805B1 (fr)
CN (1) CN108360141B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3643823B1 (fr) * 2018-10-25 2021-06-30 KARL MAYER STOLL R&D GmbH Aiguille coulissante d'un métier à mailles jetées

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191511969A (en) * 1915-08-19 1916-07-27 Edward Everard Preston Improvements in or relating to Parallel and Straight-bar Knitting Machines.
US2005674A (en) * 1934-07-31 1935-06-18 Textile Machine Works Mounting means for needles and the like
DE3241154C2 (de) * 1982-11-08 1985-09-12 Memminger Gmbh, 7290 Freudenstadt Kettenwirkmaschine
ES2025247B3 (es) * 1987-07-30 1992-03-16 Textilma Ag Maquina de ganchillo
DE10163683C1 (de) * 2001-12-21 2003-08-14 Mayer Malimo Textilmaschf Verfahren und Anlage zur Herstellung eines mehrschichtigen, vorfixieren Faden-oder Fasergeleges
KR200293690Y1 (ko) * 2002-08-07 2002-11-01 송유철 파일사 편직기
EP2045385B1 (fr) * 2007-10-02 2010-04-21 Karl Mayer Textilmaschinenfabrik GmbH Agencement d'outil à tricoter et outil à tricoter
EP2405043A1 (fr) * 2010-07-06 2012-01-11 Groz-Beckert KG Système de tricot doté de canaux de guidage aplatis
TR201815251T4 (tr) * 2013-02-23 2018-11-21 Mayer Textilmaschf Havlı kumaş üretimine yönelik yöntem, çözgülü örgü makinesi ve sürgü.

Also Published As

Publication number Publication date
KR20180087861A (ko) 2018-08-02
KR102006805B1 (ko) 2019-08-02
EP3354780A1 (fr) 2018-08-01
CN108360141A (zh) 2018-08-03
CN108360141B (zh) 2021-02-02

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