EP2918355A1 - Procédé de fabrication d'un élément en contact avec le fil et élément en contact avec le fil, en particulier pour métier à tricoter rectiligne ou métier à tricoter chaîne - Google Patents

Procédé de fabrication d'un élément en contact avec le fil et élément en contact avec le fil, en particulier pour métier à tricoter rectiligne ou métier à tricoter chaîne Download PDF

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Publication number
EP2918355A1
EP2918355A1 EP15152869.2A EP15152869A EP2918355A1 EP 2918355 A1 EP2918355 A1 EP 2918355A1 EP 15152869 A EP15152869 A EP 15152869A EP 2918355 A1 EP2918355 A1 EP 2918355A1
Authority
EP
European Patent Office
Prior art keywords
length
contacting element
cheek parts
thread
cheek
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Withdrawn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
EP15152869.2A
Other languages
German (de)
English (en)
Inventor
Thomas Mutschler
Uwe Staiger
Rolf Wellandt
Martin Schock
Markus Schnell
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.)
Hugo Kern und Liebers & Co KG Platinen- und Federnfabrik GmbH
Original Assignee
Hugo Kern und Liebers & Co KG Platinen- und Federnfabrik 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 Hugo Kern und Liebers & Co KG Platinen- und Federnfabrik GmbH filed Critical Hugo Kern und Liebers & Co KG Platinen- und Federnfabrik GmbH
Publication of EP2918355A1 publication Critical patent/EP2918355A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
    • B21G1/00—Making needles used for performing operations
    • B21G1/003—Needles for special purposes, e.g. knitting, crochet, hat-pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
    • B21G1/00—Making needles used for performing operations
    • B21G1/02—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls
    • B21G1/04—Making needles used for performing operations of needles with eyes, e.g. sewing-needles, sewing-awls of needles specially adapted for use in machines or tools
    • 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

Definitions

  • the invention relates to a method for producing a yarn-contacting element and a yarn-contacting element, in particular for knitting or knitting machines.
  • FIG. 1 shows a stamped part 10 for producing a yarn-contacting element according to the prior art.
  • a stamped part shows, for example, the US 2,696,721 A .
  • the stamped part 10 has a geometry with a longitudinal axis S, wherein along the longitudinal axis S, a first cheek part 11 and a second cheek part 12 abut each other directly along a support edge 14.
  • the stamped part 10 has an overall length L and a length 1A of the support edge 14.
  • the stamped part 10 is folded along the longitudinal axis S, so that the two cheek parts 11, 12 are aligned with their side surfaces at least partially parallel to each other to form the thread-contacting element.
  • the support edge 14 is formed by the folding edge.
  • a disadvantage of this method for producing a thread-contacting element and the resulting yarn-contacting element is that in the region of the support edge 14, a V-shaped support edge 14 is formed and the two cheek parts 11, 12 in the region of the support edge 14 is not parallel and thus not flat against each other issue. As a result, parts to be inserted into the yarn-contacting element are possibly subjected to tension, whereby the function of the yarn-contacting element is impaired.
  • the object of the invention is therefore to provide a method for producing a yarn-contacting element, which improves the parallelism of the two cheek parts over the height. Furthermore, the object of the invention is to provide a yarn-contacting element, which is advantageous to manufacture.
  • the object of the invention is achieved by a method for producing a yarn-contacting element having the features of patent claim 1 or 15 as well as a yarn-contacting element having the features of patent claim 9, 14 or 17.
  • the inventive method for producing a yarn-contacting element, in particular for knitting or knitting machines, wherein the yarn-contacting element has an overall length and a length of a support edge comprises the following steps: First, a flat band is provided with a length which at least the total length of thread-contacting element corresponds. Subsequently, a stamped part is punched out with two cheek parts, wherein the stamped part has a longitudinal axis which runs parallel to the overall length, and wherein the area between the two cheek parts is at least punched over a portion of the length of the bearing edge of the element. However, the two cheek parts remain connected, either over the remaining portion of the length of the support edge or over longitudinally adjacent to the overall length areas.
  • the two cheek parts are folded on each other, wherein the longitudinal axis forms the fold edge.
  • the longitudinal axis can be formed, in particular, by the axis of symmetry.
  • a folding-up is meant the step of folding, in which the two cheek parts are aligned substantially parallel to each other. It is not necessarily a surface contact of the opposite side surfaces of the cheek parts required, but it can also be a free space between the two substantially parallel aligned cheek parts are formed.
  • the area between the two cheek parts is at least over a portion of 60% of the length of the support edge, preferably over a portion of at least 80% of the length of the support edge, more preferably over a portion of at least 90% of the length of the support edge, punched to in this way to be able to provide as long as possible a range in which the two cheek parts are aligned over the entire height substantially parallel to each other.
  • the area between the two cheek parts over the entire length of the support edge of the yarn-contacting element is punched free, so that the two cheek parts over the entire length of the support edge over the entire height can be arranged substantially parallel to each other.
  • An advantageous embodiment of the invention provides that the area between the two cheek parts except for one or more webs is punched free.
  • the webs are in particular made so narrow that they make up the smallest possible proportion of the length of the support edge. After the folding over of the cheek parts, the webs can form running points of the supporting edge of the thread-contacting element.
  • a particularly preferred embodiment of the invention provides that the length of the metal strip is greater than the total length of the thread-contacting element and that after folding the two cheek parts, the region of the metal strip protruding in the longitudinal direction of the cheek parts are removed. This allows in particular a free punching of the area between the two cheek parts over the entire length of the support edge, without the stamped part is divided into two independent parts.
  • recesses in particular recesses for receiving inserts or recesses for receiving lubricant, such as oil, are embossed in the cheek parts in an additional step.
  • lubricant such as oil
  • a hole for a rotary bearing of a tongue is stamped in an additional step in each cheek part and in particular subsequently inserted the pivot bearing of a tongue before folding the two cheek parts, whereby the installation of a latch needle as yarn-contacting element is particularly easy.
  • the thread-contacting element according to the invention in particular for knitting or knitting machines, with a total length and a length of a support edge has over the entire length of two made of a flat band cheek parts, which are aligned with their side surfaces substantially parallel to each other and connected to each other, the cheek parts are not connected to each other before folding or only over a portion of the total length.
  • the two cheek parts over large parts of the support edge over the entire height can be aligned substantially parallel to each other.
  • an alternative thread-contacting element according to the invention in particular for knitting or knitting machines, having a total length and a length of a supporting edge, which over the entire length has two cheek parts made of a flat band, which are aligned with their side surfaces substantially parallel to each other and interconnected,
  • the cheek parts are in the area before folding on each other the total length not connected to each other and connected to one another over longitudinally adjacent to the total length areas.
  • Undesirable deformations can be avoided particularly effectively if the section has a length of at most 40%, preferably less than 20%, particularly preferably less than 10% of the total length of the yarn-contacting element.
  • a preferred embodiment of the invention provides that the cheek parts are stamped and connected to each other by means of at least one web, preferably by means of a plurality of webs, wherein when folding the cheek parts a folding edge extends transversely to the webs.
  • the webs are particularly narrow so that their summed total width only makes up a small portion of the total length of the yarn-contacting element.
  • the webs are arranged in the region of the length of the support edge.
  • the webs can form running points of the support edge.
  • cheek parts are made as two independent elements, in particular stamped, which allows a simple and inexpensive manufacturing process.
  • Another method for producing a thread-contacting element, in particular for knitting or knitting machines, wherein the yarn-contacting element has an overall length and a length of a support edge comprises the following steps: First, a flat strip is provided with a length which at least the Total length of the thread-touching element corresponds. Subsequently, a stamped part is punched out with two cheek parts, wherein the stamped part has a longitudinal axis, which runs parallel to the overall length and in particular is designed as an axis of symmetry. Finally, the two cheek parts along at least two folding edges, which are arranged parallel to each other symmetrically on either side of the longitudinal axis, folded.
  • a folding angle of about 180 ° which can hardly be realized and causes the deformations.
  • at least two folding edges extending parallel to one another are made possible, wherein an angle of less than 180 °, for example with exactly two folding edges, an angle of approximately 90 °, is present at each folding edge.
  • Such folding angle have much less deformation and can be cheaper and often perform more precise.
  • a further thread-contacting element in particular for knitting or knitting machines, having a total length and a length of a supporting edge, which has over the entire length of two made of a flat band cheek parts, which are aligned with their side surfaces substantially parallel to each other and connected to each other, the cheek pieces are connected together at least over a portion of the total length and the two cheek pieces are along at least two parallel to each other Folded edges folded on each other. Even with such a yarn-contacting element, it is possible to arrange the two cheek parts over a large part of the length over the entire height substantially parallel to each other.
  • the yarn-contacting element has a folding angle of approximately 90 ° in each case at exactly two parallel aligned folding edges at each of the folded edges. In such small folding angles results in a free space for tension-free insertion of inserts advantageously.
  • Each of the described embodiment of the yarn-contacting element according to the invention can advantageously be designed as a needle, in particular a reed needle or a needle, as a mesh transfer element or as a control element, for example slides, since the production methods according to the invention have a particularly favorable effect, in particular with such yarn-contacting elements.
  • inserts for example springs, tongues, pivot bearings for tongues or other functional parts, are arranged between the two cheek parts of each of the embodiments of the thread-contacting element according to the invention. These can be advantageously arranged without tension between the substantially parallel to each other aligned cheek parts.
  • the yarn-contacting elements according to the invention has at least one, advantageously both of the cheek parts recesses, in particular recesses for receiving inserts or recesses for receiving lubricant, such as oil.
  • FIG. 2 shows a stamped part 20 for producing a yarn-contacting element in particular for knitting or knitting machines, in particular a needle, particularly preferably a latch needle.
  • the thread-contacting element can also be designed as a slider needle, as a mesh transmission element or as a control element, for example as a slide.
  • the Stamped part 20 has an overall length L and a support edge 24 with a length 1A.
  • a support edge 24 is in particular the edge of the yarn-contacting element to be formed, on which the yarn-contacting element rests when used in a knitting or knitting machine and on which, if necessary, moves the yarn-contacting element with respect to fixed components of the knitting or knitting machine.
  • the stamped part 20 has a first cheek part 21 and a second cheek part 22.
  • the stamped part 20 has a longitudinal axis S, which is arranged between the two cheek parts 21, 22.
  • the two cheek parts 21, 22 are arranged in particular mirror-symmetrical to the longitudinal axis S.
  • the stamped part 20 is designed such that the cheek parts 21, 22 are punched over the entire length L and thus in particular over the entire length 1A of the bearing edge 24, which means that the cheek parts 21, 22 in the plane of the stamped part over the total length L to each other are spaced. There are thus two independent cheek parts 21, 22 punched.
  • the first cheek part 21 in this case has an edge 24a, the second cheek part 22 an edge 24b, which are arranged parallel to each other during the punching process and spaced over the entire length 1A of the support edge 24 to each other. In particular, there is no connection along the support edge 24 between the two cheek parts 21, 22nd
  • recesses for example holes 27 for a rotary bearing of a tongue, can be embossed into the cheek parts 21, 22 in a further processing step.
  • the two cheek parts 21, 22 are then placed against each other or folded on each other, that the edges 24a, 24b are substantially aligned with each other and form the support edge 24 of the resulting yarn-contacting element.
  • recesses for these inserts or for other components to be introduced into the intermediate space between the two cheek parts 21, 22, such as, for example, lubricants, in particular oil, can be introduced.
  • cheek pieces 21, 22 After the cheek pieces 21, 22 have been folded on each other, they are joined together, for example by welding.
  • FIG. 3 shows a further embodiment of a stamped part 20, which differs from the in FIG. 2 illustrated stamped part 20 differs in that in the region of the length 1A of the support edge 24 between the two cheek parts 21, 22 a plurality, in particular three, webs 25 are arranged, which connect the two cheek parts 21, 22 with each other.
  • a one-piece stamped part 20 is formed in this way.
  • the stamped part 20 has a longitudinal axis S, which in this case extends in particular transversely to the webs 25 and parallel to the edges 24a, 24b.
  • the longitudinal axis S is formed as an axis of symmetry.
  • the stamped part 20 In the stamped part 20, the area between the two cheek parts 21, 22 over a portion of the length 1A of the bearing edge 24, namely almost over the entire length 1A of the bearing edge 24 except for the webs 25, punched free.
  • the stamped part 20 When stacking or folding the cheek parts 21, 22, the stamped part 20 is folded along the longitudinal axis S. In particular, the folding edge thus runs through the webs 25. Any occurring V-shaped deformations thus arise only within the webs 25, while the edges 24a, 24b can be placed parallel to each other to a support edge 24 together.
  • the webs 25 form running points of the bearing edge 24 formed in this way, since a direct contact of the thread-contacting element formed in this way with components of the knitting or knitting machine takes place essentially via the webs 25.
  • FIG. 4 shows a cross section, ie a section transverse to the support edge 24 and substantially parallel to the height of the cheek parts 21, 22 through the punched part 20 according to FIG. 3 after the folding process. It can be seen that the cheek parts 21, 22 are aligned over their entire height substantially parallel to each other, while the V-shaped deformation is formed only in the region of the web 25. Between the cheek parts 21, 22 creates a free space in which the inserts without tension, which could be caused by not parallel aligned cheek parts 21, 22, can be inserted.
  • FIG. 5 shows a further embodiment of the stamped part 20, which differs from the in FIG. 2 illustrated stamped part 20 differs in that the cheek parts 21, 22 are connected to each other via areas 30, which are outside the range of the total length L of the stamped part 20, in particular adjacent to the cheek parts 21, 22.
  • the stamped part 20 is for this purpose punched from a metal strip 40 which has a length 1B which is greater than the total length L of the stamped part 20.
  • the regions 30 are arranged integrally on the cheek parts 21, 22 and connect in each case the two end regions of the cheek parts 21, 22 transversely to the longitudinal axis S, but not in the region directly between the cheek parts 21, 22, but seen in the longitudinal direction following the cheek parts 21, 22.
  • the total length of the stamped part 20 including the regions 30 is greater than the total length L of the stamped part 20th ,
  • the two cheek parts 21, 22 are thus punched free.
  • the two cheek parts 21, 22 are folded along the longitudinal axis S, wherein fold edges occur only in the areas 30, so that deformations are absorbed by the areas 30, However, the cheek parts 21, 22 are not affected by the folding process. After the cheek pieces 21, 22 have been folded on each other and in particular joined together, the areas 30 can be removed.
  • FIG. 6 shows a cross section through a yarn-contacting element, which was made by means of a method according to the invention of a stamped part 50, wherein the stamped part 50 advantageously the in FIG. 1 shown stamped part 10 corresponds, but also in the Figures 3 or 5 shown stamped parts 20 could accordingly.
  • the stamped part 50 has a geometry with a longitudinal axis S, which is advantageously designed as an axis of symmetry.
  • the stamped part 50 has a first cheek part 51 and a second cheek part 52.
  • the stamped part 50 is folded along a first folding edge F1 by a folding angle of approximately 90 ° and then folded along a second folding edge F2 by a folding angle of approximately 90 ° to produce the thread-contacting element.
  • the two folded edges F1 and F2 are parallel to each other and in particular parallel on both sides of the longitudinal axis S, in particular symmetrical to the longitudinal axis S. It creates a space between the two cheek parts 51, 52, in which inserts, such as springs, tongues, pivot bearings for tongues or other functional parts , tension-free can be used.
  • the area between the two folded edges F1 and F2 forms a support edge 54.
EP15152869.2A 2014-03-11 2015-01-28 Procédé de fabrication d'un élément en contact avec le fil et élément en contact avec le fil, en particulier pour métier à tricoter rectiligne ou métier à tricoter chaîne Withdrawn EP2918355A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014103261.6A DE102014103261B4 (de) 2014-03-11 2014-03-11 Verfahren zur Herstellung eines fadenberührenden Elements und fadenberührendes Element, insbesondere für Strick- oder Wirkmaschinen

Publications (1)

Publication Number Publication Date
EP2918355A1 true EP2918355A1 (fr) 2015-09-16

Family

ID=52595032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15152869.2A Withdrawn EP2918355A1 (fr) 2014-03-11 2015-01-28 Procédé de fabrication d'un élément en contact avec le fil et élément en contact avec le fil, en particulier pour métier à tricoter rectiligne ou métier à tricoter chaîne

Country Status (4)

Country Link
EP (1) EP2918355A1 (fr)
JP (1) JP2015171730A (fr)
CN (1) CN104907468A (fr)
DE (1) DE102014103261B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3581691B1 (fr) * 2019-06-13 2023-03-08 KARL MAYER STOLL R&D GmbH Outil de tricotage et machine de tricotage à chaîne

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352267B (zh) * 2018-10-11 2020-10-16 宁波慈星股份有限公司 一种横编机中移圈针的加工方法
CN109778411A (zh) * 2019-04-04 2019-05-21 桐乡市巨星针织机械制造有限公司 一种横编织机的存圈针及其转移线圈的方法
EP3889330B1 (fr) 2020-04-01 2023-08-23 Groz-Beckert KG Paire d'outils textiles et procédé de montage d'une machine textile

Citations (7)

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Publication number Priority date Publication date Assignee Title
US1681512A (en) * 1923-07-05 1928-08-21 James H Bell Method of manufacturing knitting needles
FR688926A (fr) * 1930-01-27 1930-08-30 Lebocey Freres Ets Aiguille pour métier à bonneterie
US2399308A (en) * 1944-11-17 1946-04-30 Vanity Fair Mills Inc Knitting machine needle
US2436371A (en) * 1945-06-14 1948-02-24 Vanity Fair Mills Inc Knitting machine needle and method of making same
US2696721A (en) 1950-04-04 1954-12-14 Mellor Bromley & Co Ltd Knitting instrument
EP1887119A1 (fr) * 2006-08-11 2008-02-13 Groz-Beckert KG Procédé de tricotage et outil de tricotage
CN103334223A (zh) * 2013-07-04 2013-10-02 宁波慈星股份有限公司 一种用于横编机的织针

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CH302627A (de) 1952-09-11 1954-10-31 Sacerdoti Giorgio Verfahren zur Herstellung einer Maschinennadel und nach diesem Verfahren hergestellte Nadel.
US3618542A (en) * 1970-03-20 1971-11-09 Singer Co Multineedle unit
CH542306A (de) * 1970-10-13 1973-09-30 Lindner Heinz Schiebernadel für maschenbildende Textilmaschinen, wie Kettenwirk-, Nähwirk-, Häkelgalon- od. dgl. -maschinen
US4785868A (en) * 1987-06-04 1988-11-22 Titan Medical, Inc. Medical needle and method for making
DE4402706C1 (de) * 1994-01-29 1995-06-08 Groz & Soehne Theodor Zungennadel für Textilmaschinen
DE19729145C1 (de) 1997-07-08 1999-01-07 Groz Beckert Kg Gestanztes Strickwerkzeug für Textilmaschinen, insbesondere für Strick- und Wirkmaschinen
JP3344981B2 (ja) * 1999-12-20 2002-11-18 エヌイーシートーキン株式会社 コネクタ用コンタクトおよびその製造方法
DE10300830B3 (de) * 2003-01-10 2004-08-05 Groz-Beckert Kg Strickwerkzeug und Herstellungsverfahren für dieses
DE102009051612B4 (de) * 2009-11-02 2013-06-06 Hugo Kern Und Liebers Gmbh & Co. Kg Platinen- Und Federnfabrik Maschenbildende Nadel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1681512A (en) * 1923-07-05 1928-08-21 James H Bell Method of manufacturing knitting needles
FR688926A (fr) * 1930-01-27 1930-08-30 Lebocey Freres Ets Aiguille pour métier à bonneterie
US2399308A (en) * 1944-11-17 1946-04-30 Vanity Fair Mills Inc Knitting machine needle
US2436371A (en) * 1945-06-14 1948-02-24 Vanity Fair Mills Inc Knitting machine needle and method of making same
US2696721A (en) 1950-04-04 1954-12-14 Mellor Bromley & Co Ltd Knitting instrument
EP1887119A1 (fr) * 2006-08-11 2008-02-13 Groz-Beckert KG Procédé de tricotage et outil de tricotage
CN103334223A (zh) * 2013-07-04 2013-10-02 宁波慈星股份有限公司 一种用于横编机的织针

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3581691B1 (fr) * 2019-06-13 2023-03-08 KARL MAYER STOLL R&D GmbH Outil de tricotage et machine de tricotage à chaîne

Also Published As

Publication number Publication date
JP2015171730A (ja) 2015-10-01
DE102014103261B4 (de) 2017-02-23
DE102014103261A1 (de) 2015-09-17
CN104907468A (zh) 2015-09-16

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