EP3354781B1 - Barre de machine à tricoter - Google Patents

Barre de machine à tricoter Download PDF

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Publication number
EP3354781B1
EP3354781B1 EP17152974.6A EP17152974A EP3354781B1 EP 3354781 B1 EP3354781 B1 EP 3354781B1 EP 17152974 A EP17152974 A EP 17152974A EP 3354781 B1 EP3354781 B1 EP 3354781B1
Authority
EP
European Patent Office
Prior art keywords
knitting
tools
tool carrier
knitting tool
length
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
EP17152974.6A
Other languages
German (de)
English (en)
Other versions
EP3354781A1 (fr
Inventor
Klaus Brandl
Axel Wintermeyer
Kay Obmann
Günter Schuler
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 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 EP17152974.6A priority Critical patent/EP3354781B1/fr
Priority to ES17152974T priority patent/ES2747548T3/es
Priority to CN201711457037.7A priority patent/CN108342826B/zh
Priority to KR1020170182241A priority patent/KR102000775B1/ko
Publication of EP3354781A1 publication Critical patent/EP3354781A1/fr
Application granted granted Critical
Publication of EP3354781B1 publication Critical patent/EP3354781B1/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
    • D04B27/06—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 knitting tool bar having at least one body having a longitudinal direction and a knitting tool receiving a plurality of transverse to the longitudinal grooves, in which knitting tools are detachably arranged, wherein the knitting tool holder is arranged on a knitting tool carrier, which is releasably secured to the body.
  • Such a Wirkwerkmaschinebarre is used in knitting machines, especially in warp knitting machines.
  • Such a Wirkwerkmaschinebarre is off US 2 902 847 A known.
  • the knitting tools are held in the grooves by a spring plate, which is bent at right angles and is inserted with a leg in a groove of the kneading tool carrier.
  • DE 29 37 607 A1 shows a holder for knitting needles, which is inserted into a barre.
  • the holder can either record single needles or be a socket in which the needles are cast.
  • US 2,854,835 shows a further bar arrangement in which knitting tools are arranged in a kneading tool carrier, which is formed in two parts. One part has grooves that receive the knitting tools. The other part has holes into which a right angle bent end of the knitting tools can be inserted.
  • a socket for knitting machines.
  • a socket which consists of a center plate and two outer cover plates, which are interconnected by arranged at the edge welds.
  • the center plate has a recess in which a spring tongue is arranged, which engages upon insertion of a guide needle into a corresponding recess on the guide needle.
  • Some knitting tools are grouped together, with such a group also called a socket. Common here is a inch division, i. a socket has a width of one inch. Even with the use of such versions manual adjustment is necessary. In addition, such a version unnecessarily high costs, if, for example, only a single knitting tool must be replaced, the other knitting tools a version but are still functional.
  • the invention has for its object to be able to operate a knitting machine economically.
  • the knitting tools can therefore be mounted outside of the knitting machine initially on the knitting tool carrier and also adjusted there. Since the kneading tool carrier is more accessible outside the knitting machine than inside the knitting machine, the assembly can be done faster and with less effort. You may also provide a machine assembly of the kneading tool carrier. Also, the alignment of the knitting tools on the knitting tool carrier is easier and can even be automated in some cases. If then a regular replacement of the knitting tools is pending, the knitting tool carrier can simply be removed from the body of the knitting tool bar and another kneading tool carrier with new or revised knitting tools be used. The downtime of the knitting machine are thus significantly reduced and the knitting machine can be operated after short downtime, which has a favorable effect on the economy.
  • the clamping force can be generated for example by screws, the screw axis is directed parallel to the grooves of the knitting tools.
  • the clamping force is directed in this case in many effect tools also parallel to the direction of movement of the knitting tools, especially in knitting or working needles. This has the particular advantage that the knitting tools, which are arranged in a plane, remain in the plane and the arrangement of knitting tools does not receive a certain waviness by clamping forces. The longitudinal escape is thus preserved.
  • At least one longitudinally extending alignment element is arranged between the working tool carrier and the body.
  • the tool carrier must therefore not be overly large dimensions.
  • the alignment element ensures during assembly that the working tool carrier adapts in the desired position and orientation to the body of the knitting tool bar.
  • the alignment element is designed as a feather key.
  • the key is inserted into a groove on the body of the knitting tool bar and occurs during assembly of the kneading tool carrier in a groove on the working tool carrier.
  • the kneading tool carrier is then sufficiently stiffened by the body of the knitting tool bar.
  • the kneading tool carrier has a length of at least 9 inches.
  • the kneading tool carrier thus has a relatively large length, so that you can adjust a correspondingly large number of knitting tools already finished before installing the knitting tool carrier in the knitting tool bar.
  • the working tool carrier has a length which corresponds to at least one third of the length of the body. With one third of the length of the body you only need three knitting tool carriers, so that in total only two joints arise where an alignment is required.
  • the kneading tool carrier has a length corresponding to the length of the body. So you only need a single kneading tool carrier for a group of knitting tools. Accordingly, you can preassemble and adjust all knitting tools on this knitting tool carrier, so that virtually no reworking is required on the knitting tool itself.
  • the knitting tools are formed as knitting needles. Punctures are also referred to as “needles”. Punches are relatively expensive knitting tools, which must also be aligned very accurately relative to each other, so that here the economic aspect is particularly positive to light.
  • the active tool bar thus comprises a kneading tool carrier with a longitudinal extension, a knitting tool receiving a plurality of Having grooves in which knitting tools are arranged releasably, and a mounting geometry for attaching the kneading tool carrier on the body of the knitting tool bar, wherein the mounting geometry has a contact surface which is directed perpendicular to the grooves.
  • the knitting tools Once the knitting tools are mounted in the kneading tool carrier, they can be aligned relative to each other, so that the alignment and adjustment of the knitting tools in the knitting machine can be omitted.
  • the downtime of the knitting machine can be kept small and the alignment and adjustment can be done relatively quickly and with relatively little effort. Nevertheless, an exchange of individual impact tools is easily possible.
  • the contact surface is thus directed parallel to the open narrow sides of the grooves. If the kneading tool carrier is pulled with its contact surface against the body of the knitting tool bar, then there is no deformation of the kneading tool carrier in such a way that the knitting tools form a ripple. Rather, the knitting tools remain in a single plane, so that even by the installation of the kneading tool carrier misalignment is not to be feared.
  • the attachment geometry has a longitudinal alignment element, in particular a keyway.
  • a feather key can occur when the kneading tool carrier is mounted on the body of the knitting tool bar.
  • the feather key ensures that the working tool carrier occupies a clearly defined position on the body and it is also held there.
  • the kneading tool carrier has a length of at least 9 inches. This provides a space for a variety of impact tools. All these knitting tools can then be mounted outside the warp knitting machine and adjusted.
  • Fig. 1 schematically shows a Wirktechnikmaschinebarre 1 with a body 2, the longitudinal direction perpendicular to the plane of the Fig. 1 runs.
  • the body 2 extends over the working width of a warp knitting machine, not shown.
  • the body 2 has fastening means 3, with which it can be attached to levers of the warp knitting machine.
  • the knitting tool bar 1 may also be divided in the longitudinal direction, so that more than a single body 2 is present.
  • the knitting tool bar 1 carries a plurality of knitting tools 4, which are formed in the present case as knitting needles.
  • the knitting needles are often referred to as "working needles".
  • the knitting tools 4 are arranged perpendicular to the plane one behind the other, ie in the longitudinal direction of the body 2.
  • the knitting tools 4 should be aligned for proper operation of the warp knitting machine along the longitudinal direction, ie exactly one behind the other.
  • the knitting tools are arranged in a knitting tool holder 5.
  • the knitting tool holder 5 has a plurality of grooves 6, which extend transversely to the longitudinal direction, in the illustration of Fig. 1 from left to right. Dashed lines a groove base 7 is located on which a back 8 of the knitting tools 4 is applied.
  • a cover 9 is provided, which is pressed by a holder 10 on the knitting tools 4. After removal of the holder 10 and the cover 9, the knitting tools 4 can be removed individually from the knitting tool holder 5 and, if necessary, be replaced.
  • the knitting tool holder 5 is arranged on a kneading tool carrier 11.
  • the working tool carrier is a separate element from the body 2. It is therefore possible to use the knitting tools 4 in the knitting tool holder 5 and to adjust there when the kneading tool carrier 11 is removed from the body 2 of the knitting tool bar 1. So you can spend the knitting tool carrier 11 to a suitable working position and there mount the knives 4 and adjust. If necessary. the insertion of the knitting tools 4 into the knitting tool holder 5 and / or the adjustment can also be done mechanically or at least with the aid of a machine.
  • the kneading tool carrier 11 is fastened with screws 12 on the body 2.
  • screws 12 may be arranged in the longitudinal direction distributed one behind the other over the length of the body 2.
  • the clamping force of the bolts 12 is parallel to the grooves and thus also parallel to the main direction of the knitting tools 4. If you tighten the bolts 12 and thereby generates a clamping force, a plane in which, for example, the back 8 of the knitting tools 4 are arranged, remains unchanged. Thus, the orientation of the knitting tools 4 remains unchanged during attachment. Smaller displacements of tips 13 of knitting tools 4 are less critical.
  • a feather key 14 between the body 2 and the kneading tool carrier 11 is provided.
  • the feather key 14 forms an alignment element.
  • the feather key 14 is inserted into a groove 15 on the kneading tool carrier 11 and into a groove 16 on the body 2. It stabilizes the kneading tool carrier 11 also on the body 2, so that the kneading tool carrier 11 can also be dimensioned relatively weak.
  • the key 14 may be divided longitudinally into several parts.
  • the holder 10 is fastened by means of a screw 17 on the working tool carrier 11.
  • the holder 10 is also supported on the body 2 in order to press the lid 9 on the knitting tools 4 can.
  • the kneading tool carrier 11 should have the greatest possible length in the longitudinal direction of the body 2 in order to be able to accommodate a correspondingly large number of knitting tools 4. The more knitting tools 4 are accommodated in the kneading tool carrier 11, the less alignment work is required.
  • the working tool carrier 11 should have a length of at least 9 inches (at least 22, 86 cm). However, it is preferred if the working tool carrier 11 has a length which corresponds to at least one third of the length of the body 2. In this case, you only have two joints where you have to align the knitting tool carrier 11 against each other. In particular, in the formation of knitting tools 4 as knitting needles, however, it is Preferably, when the kneading tool carrier 11 has a length corresponding to the length of the body 2.
  • the knitting tools 4 are subject to a certain wear during operation due to the abrasive effect of the warp threads used to form a knitted fabric.
  • the knitting tools 4 must therefore be replaced from time to time. This replacement can now be done relatively quickly and thus with low downtime and low costs.
  • the entire knitting tool carrier 11 is dismantled from the body 2 of the knitting tool bar 1 and another knitting tool carrier 11 with new, already adjusted knitting tools 4 is mounted on the body 2 of the knitting tool bar 1. In one over the length of the body 2 continuous kneading tool carrier 11 no further adjustment of the knitting tools 4 is required. If the kneading tool carrier 11 is shorter than the body 2, if necessary. Alignment must be made at a few joints between knitting tool carriers 11. The old knitting tool carrier 11 with the worn knitting tools 4 can then be fitted outside the warp knitting machine with new knitting tools 4, wherein the knitting tools can be adjusted outside the warp knitting machine.
  • the working tool carrier 11 is approximately triangular in cross-section, ie it has a contact surface 18, which runs approximately at right angles to the groove base 7 and is thus directed perpendicular to the grooves 6. This prevents when tightening the bolt 12, a ripple of the plane in which the groove bottom 7 of the respective grooves 6 is arranged.
  • the feather key 14 can pass over the length of the body 2. It can also be composed of several individual parts. Overall, the feather key 14 but is designed as a straight-line element.
  • Fig. 2 shows an opposite to the claimed invention modified embodiment of a knitting tool 1, wherein the same and corresponding elements as in Fig. 1 are provided with the same reference numerals.
  • the kneading tool carrier 11 is formed as separated from the body 2 element.
  • the knitting tools 4 are individually removably arranged in grooves 6 of the knitting tool holder 5.
  • a difference to the design after Fig. 1 is that the bolt 12 generates a clamping force which is directed transversely to the orientation of the grooves 6 and transversely to the longitudinal direction of the body 2.
  • the working tool carrier 11 has a stop edge 19, which comes to rest against the body 2 during assembly.

Landscapes

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

Claims (7)

  1. Barre de machine à tricoter (1) avec au moins un corps (2) comportant une direction longitudinale et un logement pour outils de tricotage (5), qui comporte une pluralité de rainures (6) passant transversalement à la direction longitudinale, dans lesquelles les outils de tricotage (4) sont disposés de façon amovible, sachant que le logement pour outils de tricotage (5) est disposé sur un porte-outils de tricotage (11), qui est fixé de façon amovible sur le corps (2), caractérisée en ce que le porte-outils (11) de tricotage est fixé avec un système de fixation (12) sur le corps (2), dont la force de serrage est dirigée parallèlement aux rainures.
  2. Barre de machine à tricoter selon la revendication 1, caractérisée en ce qu'au moins un élément d'orientation s'étendant dans la direction longitudinale est disposé entre le porte-outils de tricotage (11) et le corps (2).
  3. Barre de machine à tricoter selon la revendication 2, caractérisée en ce que l'élément d'orientation est constitué sous la forme d'un ressort d'ajustage (14).
  4. Barre de machine à tricoter selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le porte-outils de tricotage (11) comporte une longueur d'au moins 9 pouces.
  5. Barre de machine à tricoter selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le porte-outils de tricotage (11) comporte une longueur qui correspond au moins à un tiers de la longueur du corps (2).
  6. Barre de machine à tricoter selon la revendication 5, caractérisée en ce que le porte-outils de tricotage (11) comporte une longueur, qui correspond à la longueur du corps (2).
  7. Barre de machine à tricoter selon l'une quelconque des revendications 1 à 6, caractérisée en ce que les outils de tricotage (4) sont constitués sous la forme d'aiguilles à tricoter.
EP17152974.6A 2017-01-25 2017-01-25 Barre de machine à tricoter Active EP3354781B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17152974.6A EP3354781B1 (fr) 2017-01-25 2017-01-25 Barre de machine à tricoter
ES17152974T ES2747548T3 (es) 2017-01-25 2017-01-25 Barra de herramientas de tricotar
CN201711457037.7A CN108342826B (zh) 2017-01-25 2017-12-28 成圈工具梳栉和成圈工具支架
KR1020170182241A KR102000775B1 (ko) 2017-01-25 2017-12-28 편성 도구 바 및 편성 도구 지지체

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17152974.6A EP3354781B1 (fr) 2017-01-25 2017-01-25 Barre de machine à tricoter

Publications (2)

Publication Number Publication Date
EP3354781A1 EP3354781A1 (fr) 2018-08-01
EP3354781B1 true EP3354781B1 (fr) 2019-08-21

Family

ID=57890731

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17152974.6A Active EP3354781B1 (fr) 2017-01-25 2017-01-25 Barre de machine à tricoter

Country Status (4)

Country Link
EP (1) EP3354781B1 (fr)
KR (1) KR102000775B1 (fr)
CN (1) CN108342826B (fr)
ES (1) ES2747548T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110258016B (zh) * 2019-06-28 2022-03-22 安徽一佳一科技有限公司 一种纺织经编机用空心针床
EP3945151A1 (fr) 2020-07-30 2022-02-02 Groz-Beckert KG Barre d'outil de tricotage chaîne et procédé de remplacement d'un outil de tricotage
EP4067546B1 (fr) * 2021-03-31 2023-05-03 KARL MAYER STOLL R&D GmbH Barre d'outils de tricotage mailles jetees

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB788764A (en) * 1955-02-23 1958-01-08 Karl Mayer Erste Hessische Wir Improvements in or relating to needle bars for warp knitting machines
US2854835A (en) * 1957-04-26 1958-10-07 Textile Machine Works Element mounting means for straight bar knitting machines
DD139140A1 (de) * 1978-10-11 1979-12-12 Dietmar Baumgaertel Halterung fuer wirknadeln
IT207414Z2 (it) * 1986-03-07 1988-01-18 Comez Spa Barra porta tubetti per telai per galloni ad uncinetto.
DE4421388C2 (de) * 1994-06-18 1996-04-18 Mayer Textilmaschf Nadelbefestigungsvorrichtung für Wirkmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
KR20180087835A (ko) 2018-08-02
EP3354781A1 (fr) 2018-08-01
CN108342826A (zh) 2018-07-31
KR102000775B1 (ko) 2019-07-16
CN108342826B (zh) 2020-07-28
ES2747548T3 (es) 2020-03-10

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