EP1770194A1 - Barre pour les éléments de tricotage d'un métier à mailles jetées - Google Patents

Barre pour les éléments de tricotage d'un métier à mailles jetées Download PDF

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Publication number
EP1770194A1
EP1770194A1 EP05021115A EP05021115A EP1770194A1 EP 1770194 A1 EP1770194 A1 EP 1770194A1 EP 05021115 A EP05021115 A EP 05021115A EP 05021115 A EP05021115 A EP 05021115A EP 1770194 A1 EP1770194 A1 EP 1770194A1
Authority
EP
European Patent Office
Prior art keywords
additional profile
bar according
knitting
bar
profile
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.)
Withdrawn
Application number
EP05021115A
Other languages
German (de)
English (en)
Inventor
Kresimir Mista
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 Textilmaschinenfabrik 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 EP05021115A priority Critical patent/EP1770194A1/fr
Priority to CN2006101595753A priority patent/CN1940159B/zh
Publication of EP1770194A1 publication Critical patent/EP1770194A1/fr
Withdrawn legal-status Critical Current

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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

Definitions

  • the invention relates to a knitting tool bar of a knitting machine with a body having a fiber-reinforced plastic body which extends in the longitudinal direction.
  • Knitting machines have several bars that carry knitting tools. Under "knitting tools" for simplicity, all elements are included that are involved in the knitting process or can be, such as knitting needles, hole needles, milling plates, Polplatinen, tee boards, slide plates, etc.
  • a knitting machine and thus also its bars can have a relatively large length.
  • a barre can reach a length of over 6 meters. Such lengths result in increased stability requirements, so that such a bar does not vibrate too much during operation. Of course, even with shorter lengths you set certain requirements the mechanical stability of the bar. In particular, the bar should have a certain rigidity.
  • the bar has a hollow profile with a cavity which is bounded on all sides by largely closed peripheral walls. On the outside of the hollow profile fastening profiles are formed, which serve for the clamping attachment of retaining arms or needle leads.
  • the Nadelbleie form versions for hole needles.
  • Other active elements are usually summarized by versions into groups with several active elements. This version is usually screwed against an area on the barre. The socket must be designed so that it can withstand the forces occurring during the action.
  • the invention has for its object to enable a high operating speed of a knitting machine.
  • the body has a resiliently formed additional profile with two longitudinal edges, which is externally attached to the body and extends over a working length of the body in the longitudinal direction.
  • the additional profile serves to increase the rigidity of the bar.
  • this additional profile is not necessary that this additional profile is fully attached to the body. Even one-sided attachment is sufficient to improve the rigidity of the body. The rest of the body can then be formed with a reduced rigidity and correspondingly smaller mass, so that the mass of the bar is not increased too much by the additional profile.
  • the additional profile is attached to a region adjacent to a longitudinal edge on the body and movable at the other end relative to the body.
  • This attachment also serves to stiffen the body, so that the material thicknesses used in the body can be slightly reduced.
  • the free end, which is movable relative to the body, can then be used to act on the active elements.
  • the additional profile has at least one curved section between its two longitudinal edges.
  • a curved section increases the rigidity of the additional profile. This increased stiffness in turn has a positive effect on the mechanical stability of the body and thus on the resilience of the bar.
  • a free space is formed between the free longitudinal edge and the body, in which a knitting tool arrangement is used.
  • the additional profile can be used to hold the knitting tool assembly on the body.
  • the knitting tool arrangement can for example consist of several versions, each of which contains a number of knitting tools.
  • the additional profile can act with a certain tension on the knitting tool arrangement.
  • the knitting tool assembly is held on the body.
  • the free longitudinal edge preferably protrudes from the knitting tool arrangement. This has the advantage when inserting the knitting tool arrangement that the threading of the knitting tools is facilitated. When removing the knitting tools a protruding edge allows the attack of a mounting tool, so that the additional profile can be bent by means of the mounting tool to reduce the holding forces on the knitting tool assembly and to facilitate removal.
  • the knitting tool assembly rests against a mounting surface on the body and the additional profile acts on a contact surface, which forms an acute angle with the mounting surface.
  • a design first has the advantage that the knitting tool assembly is held with a small but noticeable positive locking on the body.
  • the additional profile so to speak, engages behind the knitting tool arrangement.
  • the additional profile then acts with two force components on the knitting tool arrangement. A force component pushes the knitting tool assembly against the mounting surface.
  • the other force component then acts parallel to the mounting surface, so to speak, into the bar and thus holds the knitting tool arrangement in the predetermined position on the body.
  • the additional profile is provided with slots which extend from its free longitudinal edge.
  • the resilient additional profile is thus divided longitudinally into several sections, so that one does not have to deform the entire additional profile for insertion or removal of an element of the knitting tool arrangement. Rather, it is sufficient to deform a section of limited length. This facilitates handling. If one must exchange individual elements of the knitting tool arrangement, then the other elements can remain undisturbed in their position.
  • longitudinally adjacent slots have different lengths. This reduces the risk of breakage.
  • spring segments are formed between slots, wherein a spring segment acts on at least one segment of the knitting tool arrangement.
  • each individual segment of the knitting tool arrangement can be exchanged individually without touching other segments of the knitting tool arrangement.
  • the additional profile is glued to the body. Because the auxiliary profile is spread over the entire working length, i. the length, are arranged in the knitting tools, connected to the body, also sufficient adhesive with a low final strength to produce the necessary connection force. This adhesive then acts over a relatively large area.
  • the additional profile is located with a mounting portion on a mounting surface of the body, with which the bar is fixed in the knitting machine.
  • the additional profile is additionally secured by the attachment of the bar in the knitting machine. The additional profile thus receives an additional mechanical connection with the body, which further increases the mechanical stability.
  • a fastening aid is provided, which tensions the free end of the additional profile with the interposition of the knitting tool arrangement against the body.
  • the spring force of the additional profile alone will be sufficient to hold the knitting tools or individual segments of the knitting tool assembly on the body. If this is not the case, then one can use a fastening aid, such as a bolt screwed into a nut Use to clamp the additional profile against the knitting tool assembly.
  • This embodiment has the advantage that the tensioned additional profile then acts on a larger surface of the knitting tool arrangement than the bolt alone, so that a smaller surface pressure is required to achieve the same holding force.
  • the support of the individual elements of the knitting tool assembly on the body is greatly homogenized.
  • the knitting tool arrangement can be dimensioned slightly weaker in the region of its holding arrangement.
  • An additional advantage results from the fact that even if a fastening aid is used, the additional profile acts under a certain tension on the knitting tool arrangement. In this case, one can first correctly position all segments of the knitting tool arrangement. The risk that already positioned segments of the knitting tool arrangement change their position when a further segment is mounted, is low. Then, when a predetermined number or all segments of the knitting tool assembly are mounted, you can tighten the one or more fastening tools. It is also possible to configure the segments of the knitting tool arrangement so that the fastening aid is only loosened and then the segments of the knitting tool arrangement can be exchanged. A complete unscrewing a bolt, for example, is not required.
  • the additional profile forms a plant for a knitting tool attachment.
  • the knitting needles are usually covered by a "lid" covered, wherein the lid and the body are clamped by means of a plurality of bolts against each other.
  • the body of the bar deformed when the lid presses on the body. If you now for the installation of the lid (or other knitting tool attachment) uses the additional profile, then you can quite accept that deforms this additional profile. It is designed to be resilient. The force acting back from the additional profile on the knitting tool attachment then suffices readily to hold the knitting tools on the body. However, a further deformation of the body and thus the bar can be avoided.
  • the additional profile is supported with its free longitudinal edge movable on the body. This increases the spring force with which the additional profile can react on the knitting tool attachment. Since the additional profile is movably supported on the body at the free end, the additional profile can be deformed overall in a sufficient manner to build up the necessary counterforce.
  • the additional profile is supported in a region in which the body has a wall which extends parallel to the support direction.
  • parallel is meant no definition in the mathematically strict sense. Rather, it means that the wall of the body is located approximately where the auxiliary profile is supported on the body, and the wall extends approximately in the direction of force, so that it braces the body there in a sufficient manner.
  • the body is composed of at least two open profiles.
  • An open profile is a profile that is accessible from all sides.
  • the body is thus created only by putting together the profiles. This also creates the cavity.
  • This has the consequence that the profiles before assembly from all sides, including from the inside, are freely accessible, so that you can make a large variety of editing operations before assembling the profiles. This saves you, for example, the need to place purely for precautionary reasons Muttergewinde Communitye at positions where they are not necessary later. It also requires no superfluous material areas on the body, which you might have to accept if you make the body directly as a hollow profile, for example by extrusion.
  • FIG. 1 shows a plurality of ingots with knitting tools of a knitting machine, namely a needle bar 1, a slide bar 2 and a sinker bar 3.
  • the needle bar 1 is attached to a lever 4, the slide bar 2 to a lever 5 and the sinker bar 3 to a lever 6.
  • the needle bar 1 has a body which is composed of three open profiles 7, 8, 9.
  • the three profiles 7-9 are made of carbon fiber reinforced plastic. They enclose a cavity 10, in which a clamping piece 11 is arranged, through which a bolt 12 is guided. With the help of the clamping piece 11 and the bolt 12, the needle bar 1 is bolted to the lever 4.
  • the needle bar 1 carries a plurality of knitting needles 13. Since the knitting needles 13 are arranged perpendicular to the plane one behind the other, only one knitting needle 13 can be seen.
  • the knitting needles 13 are arranged in a socket 14 and are held by a lid 15 on the needle bar 1.
  • the lid 15 is clamped by means of a bolt 16 against the profiles 7-9.
  • the needle bar 1 has an additional profile 17 which protrudes with a free longitudinal edge 18 from the profile 7. Also with respect to the additional profile 17 of the cover 15 is clamped by the bolt 16.
  • the additional profile 17 is resilient.
  • One end 19 of the lid 15 supports from the additional profile 17 from. Now, if the lid 15 is clamped by means of the bolt 16 on the needle bar 1, then the lid 15 deforms only the additional profile 17. The rest of the needle bar 1 remains undeformed, so that the position of the knitting needles 13, more precisely their needle heads 20th , does not change.
  • the slide bar 2 has a body which is composed of two open profiles 21, 22. Both profiles 21, 22 are also formed of a fiber-reinforced plastic. The two profiles 21, 22 are glued together in areas 23, 24. They enclose a cavity 25. The slide bar 2 is attached to a plurality of bolts 26 on levers 5.
  • the slide bar 2 also has an additional profile 27 which is glued to the profiles 21, 22.
  • the additional profile 27 is connected to the profile 22 in that the additional profile 27 is clamped between the profile 22 and the lever 5.
  • the additional profile 27 has two distinct bends 28, 29, which are directed opposite to each other. Also, the additional profile 27 is resilient.
  • a slide plate 31 is inserted between the profile 22, which is part of the body, and the additional profile 27 is a free space 30 is formed (Fig. 3), in which a slide plate 31 is inserted.
  • the slide plate 31 consists of several longitudinally of the slide bar 2 (ie perpendicular to the plane) juxtaposed segments.
  • the slide plate 31 is located on a mounting surface 32 am Segment 22 of the carcass.
  • the additional profile acts on a contact surface 33 on the slide plate 31, which forms an acute angle with the mounting surface 32.
  • clamping forces which are shown in Fig. 3.
  • the force exerted by the additional profile 27 clamping force FK can be subdivided into a vertical force FV, which presses the slide plate 31 against the mounting surface 32, and a horizontal force FH, which pushes the slider plate 31 in the space 30.
  • FV vertical force
  • FH horizontal force
  • the additional profile 27 has a plurality of its longitudinal edge 34 outgoing slots 35, 36, each adjacent slots 35, 36 define a spring segment 37 in the longitudinal direction.
  • Each spring segment 37 now holds one or two segments of the slide plate 31st
  • Each adjacent slots 35, 36 have different lengths, so that the risk of breakage of individual spring segments 37 is reduced.
  • an assembly tool 38 can be easily applied because the additional profile 27 in the region of the longitudinal edge 34 has a protruding end 39.
  • the protruding end 39 protrudes slightly beyond the slide plate 31.
  • the board bar 3 also has a body which is composed of two open profiles 40, 41.
  • the profiles 40, 41 are fastened via a bolt 48 on the lever 6. They extend, as well as the profiles 7-9 of the needle bar 1 and the profiles 21, 22 of the slide bar 2, over the entire length of the knitting machine. They are also made of a fiber-reinforced plastic, in particular of carbon fiber reinforced plastic (CFRP).
  • CFRP carbon fiber reinforced plastic
  • An additional profile 43 is adhered to the profile 41 from the outside. Between the additional profile 43 and the profile 41, a free space 42 is formed, are inserted into the segments of Polplatinen 44.
  • the additional profile 43 is applied to the segments of the pole plate 44 with a certain bias.
  • the additional profile 44 may be divided into a plurality of spring segments (not shown). Again, a projecting end 45 is provided.
  • the additional profile 43 acts with a certain bias on the segments of the pole plate 44, then the segments are held at least temporarily during assembly, so they can not fall out or move.
  • Fig. 5 shows a modified embodiment of a needle bar 1, wherein the same elements are provided with the same reference numerals.
  • the additional profile 17 has an extension 47, which is again supported on the profile 7 of the body of the needle bar 1.
  • the support takes place so that the extension 47 is displaceable on the profile 7.
  • the power transmission between the additional profile 17 and the profile 7 takes place where the profile 7 has a perpendicular to the direction of force transmission wall.
  • the body of the profiles 7-9 is so where the additional profile 17 is supported with its extension 47, extremely stable.
  • All additional profiles 17, 27, 43 can, just like the profiles 7-9, 21, 22, 40, 41, each forming the body of the individual ingots 1-3, made of a fiber-reinforced plastic, in particular carbon fiber reinforced plastic (CFRP) formed be.
  • CFRP carbon fiber reinforced plastic
  • each bar 1-3 is now provided with an additional profile 17, 27, 43
  • the actual body of the respective bar 1-3 forming profiles 7-9, 21, 22, 40, 41 may be formed about weaker. This in turn reduces the mass of the respective body, so that the additional profile 17, 27, 43 causes in the overall balance virtually no increase in mass.
  • weaker sockets for the individual knitting tools, namely the knitting needles 13, the slider boards 23 and the pile boards 44. These knitting tools become now held over the entire surface between the respective body of the bars 1-3 and the respective additional profiles 17, 27, 43.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP05021115A 2005-09-28 2005-09-28 Barre pour les éléments de tricotage d'un métier à mailles jetées Withdrawn EP1770194A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05021115A EP1770194A1 (fr) 2005-09-28 2005-09-28 Barre pour les éléments de tricotage d'un métier à mailles jetées
CN2006101595753A CN1940159B (zh) 2005-09-28 2006-09-28 针织机的梳栉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05021115A EP1770194A1 (fr) 2005-09-28 2005-09-28 Barre pour les éléments de tricotage d'un métier à mailles jetées

Publications (1)

Publication Number Publication Date
EP1770194A1 true EP1770194A1 (fr) 2007-04-04

Family

ID=36216804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05021115A Withdrawn EP1770194A1 (fr) 2005-09-28 2005-09-28 Barre pour les éléments de tricotage d'un métier à mailles jetées

Country Status (2)

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EP (1) EP1770194A1 (fr)
CN (1) CN1940159B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2770096A1 (fr) * 2013-02-22 2014-08-27 Karl Mayer Textilmaschinenfabrik GmbH Barre en matériau synthétique pour des éléments de tricotage
EP3421653A1 (fr) * 2017-06-26 2019-01-02 KARL MAYER Textilmaschinenfabrik GmbH Barre pour les éléments de tricotage d'un métier à mailles jetées
EP3757267A3 (fr) * 2020-11-06 2021-04-21 KARL MAYER STOLL R&D GmbH Barre d'outil de pétrissage pour une machine de pétrissage à chaîne
EP4151789A1 (fr) * 2021-09-15 2023-03-22 KARL MAYER STOLL R&D GmbH Barre d'outils de pétrissage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2370963T3 (es) * 2009-03-19 2011-12-26 Karl Mayer Textilmaschinenfabrik Gmbh Barra de herramientas de tricotar.
DE102010034268A1 (de) * 2010-08-13 2012-02-16 Karl Mayer Textilmaschinenfabrik Gmbh Wirkmaschine
CN109402859A (zh) * 2018-11-01 2019-03-01 江苏理工学院 经编机混杂纤维空心针芯针床

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD227467A1 (de) * 1984-10-23 1985-09-18 Textima Veb K Tragschiene zur befestigung der gegenhalteschiene an einer naehwirkmaschine
DE4111108A1 (de) * 1991-04-05 1992-10-08 Erbsloeh Julius & August Als geschlossenes hohlprofil aus verstaerktem kunststoff ausgebildeter traeger
EP1600543A1 (fr) * 2004-05-27 2005-11-30 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour éléments de tricotage à mailles jetées

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3840531C1 (de) * 1988-12-01 1990-05-10 Mayer Textilmaschf Kettenwirkmaschine mit mindestens einer Barre
DE10066042B4 (de) * 2000-08-23 2004-12-02 Karl Mayer Textilmaschinenfabrik Gmbh Kettenwirkmaschine mit mehreren Musterlegebarren
DE20314470U1 (de) * 2003-09-18 2003-11-20 KARL MAYER Malimo Textilmaschinenfabrik GmbH, 09117 Chemnitz Barre aus faserverstärktem Kunststoff-Hohlprofil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD227467A1 (de) * 1984-10-23 1985-09-18 Textima Veb K Tragschiene zur befestigung der gegenhalteschiene an einer naehwirkmaschine
DE4111108A1 (de) * 1991-04-05 1992-10-08 Erbsloeh Julius & August Als geschlossenes hohlprofil aus verstaerktem kunststoff ausgebildeter traeger
EP1600543A1 (fr) * 2004-05-27 2005-11-30 KARL MAYER TEXTILMASCHINENFABRIK GmbH Barre pour éléments de tricotage à mailles jetées

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2770096A1 (fr) * 2013-02-22 2014-08-27 Karl Mayer Textilmaschinenfabrik GmbH Barre en matériau synthétique pour des éléments de tricotage
KR101539440B1 (ko) * 2013-02-22 2015-07-24 칼 마이어 텍스틸마쉰넨파브릭 게엠베하 플라스틱 편성 도구 바
EP3421653A1 (fr) * 2017-06-26 2019-01-02 KARL MAYER Textilmaschinenfabrik GmbH Barre pour les éléments de tricotage d'un métier à mailles jetées
EP3757267A3 (fr) * 2020-11-06 2021-04-21 KARL MAYER STOLL R&D GmbH Barre d'outil de pétrissage pour une machine de pétrissage à chaîne
EP4151789A1 (fr) * 2021-09-15 2023-03-22 KARL MAYER STOLL R&D GmbH Barre d'outils de pétrissage
KR20230040300A (ko) * 2021-09-15 2023-03-22 칼 마이어 슈톨 알앤디 게엠베하 경편 도구 바아

Also Published As

Publication number Publication date
CN1940159A (zh) 2007-04-04
CN1940159B (zh) 2010-11-03

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