EP3702504B1 - Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique - Google Patents

Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique Download PDF

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Publication number
EP3702504B1
EP3702504B1 EP20183097.3A EP20183097A EP3702504B1 EP 3702504 B1 EP3702504 B1 EP 3702504B1 EP 20183097 A EP20183097 A EP 20183097A EP 3702504 B1 EP3702504 B1 EP 3702504B1
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EP
European Patent Office
Prior art keywords
needle
slide
slider
circumference
compound
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
EP20183097.3A
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German (de)
English (en)
Other versions
EP3702504A2 (fr
EP3702504A3 (fr
Inventor
Klaus Brandl
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 EP20183097.3A priority Critical patent/EP3702504B1/fr
Publication of EP3702504A2 publication Critical patent/EP3702504A2/fr
Publication of EP3702504A3 publication Critical patent/EP3702504A3/fr
Priority to CN202110102279.4A priority patent/CN113862896B/zh
Priority to TW110118678A priority patent/TWI821672B/zh
Priority to KR1020210085665A priority patent/KR102584594B1/ko
Application granted granted Critical
Publication of EP3702504B1 publication Critical patent/EP3702504B1/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
    • D04B27/06—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
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/18—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B23/00—Flat warp knitting machines
    • D04B23/06—Flat warp knitting machines for producing fabrics consisting of, or incorporating, elastic threads
    • 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
    • D04B35/06—Sliding-tongue needles

Definitions

  • the present invention relates to a compound needle arrangement of a warp knitting machine with a compound needle stroke of at most 10 mm, the compound needle arrangement having a compound needle with a needle head and a needle shank and a compound interacting with the compound needle.
  • the invention relates to a warp knitting machine with a multiplicity of such compound needle arrangements.
  • the invention relates to a method for producing an elastic knitted fabric, in which stitches of the knitted fabric are formed using compound needle arrangements, each of which has a slider and a compound needle with a needle head and a needle shaft, the compound needles having a maximum stroke of 10 mm .
  • the warp knitting machine includes a compound needle assembly including a compound and a compound needle with a needle head and a needle shank.
  • DE 22 45 731 A1 shows a needle for knitting and warp-knitting machines, which can be moved back and forth in a guide channel of a bar.
  • DE 196 21 382 A1 shows parts of a warp knitting machine, namely a crochet hook, which can be viewed as a knitting needle.
  • DE 30 08 276 A1 shows a warp knitting machine with the goods being taken off over a fixed knock-over edge.
  • the warp knitting machine has compound needles and sliders.
  • DE 25 37 502 A1 shows a compound needle arrangement for stitch-forming textile machines, such as warp knitting machines, with a compound needle having a needle shank and a slider.
  • the needle shank In a sliding area in which the stitch is located at the end of a compound needle stroke, the needle shank has a height which is less than in the area where the compound needle covers the needle head.
  • a warp knitting machine with a compound needle system i.e. with a large number of compound needle arrangements, is characterized by a particularly high production output. You can create more than 4,000 rows of stitches per minute. However, such high working speeds lead to problems, which manifest themselves in particular in the supplied warp threads oscillating. This can result in losses in the quality of the knitted fabric. This is especially true when you want to produce an elastic knitted fabric, in which the warp threads supplied must have a certain elasticity.
  • the object of the invention is to enable high productivity of the warp knitting machine with good quality of the knitted fabric.
  • the compound needle forms a knitting needle or working needle.
  • a stitch has been formed, it is on the needle shaft.
  • the compound needle then rises so that the catching space of the needle head can in turn grab a warp thread and pull it through the stitch that has been formed.
  • the slider closes the catch area of the needle head.
  • the maximum circumference of the assembly of needle head and slider is not greater than the corresponding circumference of the needle shank. If you can prevent the stitch from expanding when the needle head with slider moves into the closed position, then you can in increase the thread tension during entry within certain limits, which in turn leads to a better quality of the knitted fabric.
  • the circumference of the needle shank at the end of the sliding area is the same as the largest circumference of the needle head and slider assembly in the closed position.
  • the stitch is therefore neither expanded nor does it have to contract when the needle head with slider is moved through the stitch in the closed position.
  • the needle shank has a greater thickness than the needle head at the end of the sliding area.
  • the thickness is the direction in which the individual compound needles are arranged next to one another in a corresponding needle bar.
  • the circumference of the entirety of compound needle and slider in the closed position varies by a maximum of 15% from the needle head to the end of the sliding area.
  • the circumferential length of the combined compound needle and slider does not change substantially. Accordingly, the mesh also retains its original size and is neither increased nor decreased significantly.
  • the needle shaft is cylindrical at least at the end of the sliding area. There is a transition between the needle head and the end of the sliding area. A cylindrical configuration of the needle shank results in an approximately circular stitch, which can then be easily knocked off.
  • the compound needle arrangement preferably has a gauge of E32 to E44. In other words, there are 32 to 44 compound needle assemblies per inch (25.4 mm) wide. A very fine knitted fabric can thus be produced, which is particularly advantageous in the case of elastic fabrics, such as are used for swimwear or the like.
  • the invention is achieved by a warp knitting machine with such a compound needle arrangement.
  • the circumference of the needle shank at the end of the sliding area is the same as the largest circumference of the needle head and slider assembly in the closed position.
  • the needle shank has a greater thickness than the needle head at the end of the sliding area. This is an easy way to increase the circumferential length of the needle shaft.
  • the circumference of the assembly of compound needle and slider in the closed position varies by a maximum of 15% from the needle head to the end of the sliding area.
  • the object is achieved with a method of the type mentioned at the outset in that the stitches are prevented from widening when the stitches are knocked off by selecting the circumference of the needle shaft in a sliding area in which the stitch is located at the end of a compound needle stroke to be at least as large , such as the parallel largest circumference of the assembly of needle head and slider in the closed position.
  • the knitted fabric is of good quality. At the same time, however, you can use a relatively short stroke of the compound needles, which has a positive effect on the possible working speed of the warp knitting machine.
  • the circumference of the needle shank at the end of the sliding area is the same as the largest circumference of the assembly of needle head and slider in the closed position.
  • the stitch does not have to change when it is knocked off. It doesn't need to increase or decrease.
  • the needle shank has a greater thickness than the needle head at the end of the sliding area. This is an easy way to equip the needle with a correspondingly large circumference at the end of the sliding area.
  • the circumference of the assembly of compound needle and slider in the closed position varies by a maximum of 15% from the needle head to the end of the sliding area.
  • the size of the stitch can then be left unchanged when knocking off, ie when the compound needle moves through the stitch together with the slider.
  • the warp knitting machine 1 shown only schematically has a knitting needle bar 2 to which a plurality of compound needles 3 is attached.
  • the compound needles 3 form knitting needles in connection with the Figures 2 to 4 be described in more detail.
  • the warp knitting machine 1 has a plurality of guide bars 4 to which thread guides 5 are attached.
  • the thread guides 5 can, as shown in Figures 2 and 3 is shown, be designed as guide needles 6, 7 or guide needles.
  • the warp knitting machine 1 can have two guide bars 4, for example.
  • the compound needles 3 have a needle head 8 which surrounds a catching space 9 .
  • This catch space 9 is in 2 shown position open so that the compound needle 3 can take one or more of the thread guides 6, 7 guided threads.
  • the head 8 is arranged at the end of a needle shank 10 .
  • a slider 11 is provided, which is arranged on a slider bar 12 .
  • the slide 11 closes the catch space 9.
  • the slides 11 are arranged on a slide bar, not shown in detail.
  • the warp knitting machine 1 also has a sinker bar 13 with a multiplicity of sinkers 14 .
  • the sinkers 14 delimit a sliding area in which the stitch can slide on the compound needle 3 .
  • the sinkers 14 help on the other hand to strip the stitch from the compound needle 3.
  • FIG 4 shows one of the compound needles 3 with a slider 11 shown schematically. Also shown is an end 15 of the sliding area. Up to this position, as mentioned above, the stitch can slide on the needle shank 10 when the compound needle 3 rises.
  • the warp knitting machine 1 has a relatively small stroke of the compound needle 3. This is a maximum of 10 mm. Accordingly, the length of the sliding area between the needle head 8 and the end 15 of the sliding area is of a similar order of magnitude.
  • the entirety of the needle head 8 and the slide 11 has one certain extent.
  • the compound needle 3 is now dimensioned in such a way that it has a correspondingly large circumference at the end 15 of the sliding area.
  • the stitch can therefore not be smaller than corresponds to the circumference of the compound needle 3 at the end 15 of the sliding area. This in turn means that the stitch does not have to widen when the compound needle 3 moves through the stitch with the slider 11 in the closed position. Accordingly, high working speeds can be achieved even with a short stroke of the compound needles of a maximum of 10 mm, because no time is required to widen the stitch. In addition, the lack of widening of the stitch has a positive effect on the quality of the knitted fabric.
  • the correspondingly large circumference at the end 15 of the sliding area of the compound needle 3 can be achieved, for example, in that the compound needle 3 has a greater thickness at the end 15 of the sliding area.
  • the thickness is the extent of the compound needle 3 in the direction in which the compound needles 3 are arranged next to one another on the knitting needle bar 2 .
  • the scope of the entirety of compound needle 3 and slider 11 in the closed position varies by a maximum of 15% from the needle head 8 to the end 15 of the sliding area.
  • the compound needle 3 has a cylindrical shape at least at the end 15 of the sliding area.
  • Very fine knitted goods can be produced with such a warp knitting machine.
  • the cylindrical design of the needle shaft 10 allows the stitch to slide over the needle head 8 with the slider 11 in the closed position without widening for knocking over.
  • This geometry of the upper preferably achieves a tension ratio in the stitch formation process that contributes to increasing the quality of the knitted fabric.

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

Claims (11)

  1. Système d'aiguille à coulisse d'un métier à tricoter chaîne (1) avec une course d'aiguille à coulisse de 10 mm maximum, sachant que le système d'aiguille à coulisse comporte une aiguille à coulisse (3) avec une tête d'aiguille (8) et une tige d'aiguille (10) et une coulisse (11) coopérant avec l'aiguille à coulisse (3), sachant que la tige d'aiguille (10) comporte au moins à l'extrémité (15) d'une zone de coulissement une périphérie qui est au moins aussi grande qu'une périphérie maximale parallèle à celle-ci de l'ensemble de tête d'aiguille (8) et coulisse (11) en position de fermeture, caractérisé en ce que la tige d'aiguille (10) est constituée de forme cylindrique au moins à l'extrémité (15) de la zone de coulissement.
  2. Système d'aiguille à coulisse selon la revendication 1, caractérisé en ce que la périphérie du talon d'aiguille (10) à l'extrémité (15) de la zone de coulissement est exactement aussi grande que la périphérie maximale de l'ensemble de tête d'aiguille (8) et coulisse (11) en position de fermeture.
  3. Système d'aiguille à coulisse selon la revendication 1 ou 2, caractérisé en ce que la tige d'aiguille (10) à l'extrémité (15) de la zone de coulissement comporte une épaisseur plus grande que la tête d'aiguille (8).
  4. Système d'aiguille à coulisse selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la périphérie de l'ensemble d'aiguille à coulisse (3) et coulisse (11) en position de fermeture varie au maximum de 15 % de la tête d'aiguille (8) à l'extrémité (15) de la zone de coulissement.
  5. Système d'aiguille à coulisse selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le système d'aiguilles à coulisse comporte une finesse du système d'aiguille à coulisse de 32 aiguilles à coulisse à 44 aiguilles à coulisse sur 25,4 mm (E32 à E44).
  6. Métier à tricoter chaîne (1) avec une pluralité de systèmes d'aiguille à coulisse selon l'une quelconque des revendications 1 à 5.
  7. Procédé de fabrication d'une étoffe tricotée élastique pour lequel on forme des mailles de l'étoffe tricotée en utilisant des systèmes d'aiguilles à coulisse, qui comportent respectivement une coulisse (11) et une aiguille à coulisse (3) avec une tête d'aiguille (8) et une tige d'aiguille (10), sachant que les aiguilles à coulisse (3) comportent une course maximale de 10 mm, sachant que lors de l'abattage des mailles, on évite un écartement des mailles en choisissant la périphérie de la tige d'aiguille (10) à l'extrémité (15) d'une zone de coulissement dans laquelle se trouve la maille à l'extrémité d'une course de tige d'aiguille à coulisse au moins aussi grande que la périphérie maximale parallèle à celle-ci de l'ensemble de tête d'aiguille (8) et coulisse (11) dans la position de fermeture, caractérisé en ce que la tige d'aiguille (10) est constituée de forme cylindrique au moins à l'extrémité (15) de la zone de coulissement.
  8. Procédé selon la revendication 7, caractérisé en ce que la périphérie de la tige d'aiguille (10) à l'extrémité (15) de la zone de coulissement est exactement aussi grande que la périphérie maximale de l'ensemble de tête d'aiguille (8) et coulisse (11) en position de fermeture.
  9. Procédé selon la revendication 7 ou 8, caractérisé en ce que la tige d'aiguille (10) à l'extrémité (15) de la zone de coulissement comporte une épaisseur plus grande que la tête d'aiguille (15).
  10. Procédé selon l'une quelconque des revendications 7 à 9, caractérisé en ce que la périphérie de l'ensemble d'aiguille à coulisse (3) et coulisse (11) en position de fermeture varie au maximum de 15 % de la tête d'aiguille (8) à l'extrémité (15) de la zone de coulissement.
  11. Procédé selon l'une quelconque des revendications 7 à 10, caractérisé en ce que l'on utilise une finesse du système d'aiguille à coulisse de l'ordre de 32 aiguilles à coulisse à 44 aiguilles à coulisse sur 25,4 mm (E32 à E44).
EP20183097.3A 2020-06-30 2020-06-30 Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique Active EP3702504B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20183097.3A EP3702504B1 (fr) 2020-06-30 2020-06-30 Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique
CN202110102279.4A CN113862896B (zh) 2020-06-30 2021-01-26 经编机、复合针组件和用于制造弹性编织物的方法
TW110118678A TWI821672B (zh) 2020-06-30 2021-05-24 經編針織機、滑針總成及用於生產彈性針織品之方法
KR1020210085665A KR102584594B1 (ko) 2020-06-30 2021-06-30 경편기, 슬라이드 니들 어셈블리, 및 탄성 편성물의 제조 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20183097.3A EP3702504B1 (fr) 2020-06-30 2020-06-30 Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique

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EP3702504A2 EP3702504A2 (fr) 2020-09-02
EP3702504A3 EP3702504A3 (fr) 2021-01-20
EP3702504B1 true EP3702504B1 (fr) 2022-09-07

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EP20183097.3A Active EP3702504B1 (fr) 2020-06-30 2020-06-30 Métier à tricoter chaîne, système d'aiguille à coulisse et procédé de fabrication d'une étoffe tricotée élastique

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EP (1) EP3702504B1 (fr)
KR (1) KR102584594B1 (fr)
CN (1) CN113862896B (fr)
TW (1) TWI821672B (fr)

Citations (2)

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DE2537502A1 (de) * 1974-09-04 1976-03-18 Wirkmaschinenbau Karl Marx Veb Schiebernadel fuer maschenbildende textilmaschinen, wie strick-, kettenwirk-, naehwirk-, haekelgalon- o.dgl. maschinen
DE2919344A1 (de) * 1978-08-21 1980-03-13 Wirkmaschinenbau Karl Marx Veb Kettenwirkmaschine, insbesondere haekelgalonmaschine zur herstellung jacquardgemusterter polschlingengewirke

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DE2245731A1 (de) * 1972-09-18 1974-03-28 Mayer & Cie Maschinenfabrik Nadel fuer strick- und wirkmaschinen
DE3008276C2 (de) * 1980-03-04 1984-03-15 Liba Maschinenfabrik Gmbh, 8674 Naila Kettenwirkmaschine mit Abzug der Ware über eine feststehende Abschlagkante
DE3315446C2 (de) * 1983-04-28 1985-04-04 Liba Maschinenfabrik Gmbh, 8674 Naila Schiebernadel einer Kettenwirkmaschine
JPS6059338B2 (ja) * 1983-10-06 1985-12-24 株式会社福原精機製作所 丸編機用のスライダ−針
DE4025132C1 (en) * 1990-08-08 1992-02-13 Karl Mayer Textilmaschinenfabrik Gmbh, 6053 Obertshausen, De Warp knitted material - comprises first yarn system in tricot system and second yarn system in atlas stitch
DE4416167C1 (de) * 1994-05-06 1995-10-05 Liba Maschf Kettenwirkmaschine mit Abschlagplatinen sowie einer Schiebernadel- und einer zugehörigen Schieberbarre
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AU2000260813A1 (en) * 2000-07-10 2002-01-21 Edelweiss Manufacturing Co., Inc. Method for transferring a loop for creating a decorative open-work pattern
DE10164550A1 (de) * 2001-12-18 2003-07-10 Sipra Patent Beteiligung Nadel für Strick- oder Wirkmaschinen und damit ausgerüstete Strickmaschine
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DE502007001850D1 (de) * 2007-05-03 2009-12-10 Groz Beckert Kg Wirkmaschinenwerkzeug, insbesondere für feinste Teilung
US20100255744A1 (en) * 2007-11-21 2010-10-07 Brian Callaway Textile-reinforced composites with High Tear Strength
CN201952600U (zh) * 2010-12-15 2011-08-31 常州市武进五洋纺织机械有限公司 一种高速经编机的短动程舌针
DE102013105239A1 (de) * 2013-05-22 2014-11-27 Groz-Beckert Kg Schiebernadel
EP3530790B1 (fr) * 2018-02-23 2020-08-26 KARL MAYER R&D GmbH Aiguille coulissante
EP3587645B1 (fr) * 2018-06-29 2020-05-13 KARL MAYER R&D GmbH Aiguille pour machine à tricoter chaîne et procédé pour sa fabrication
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DE2537502A1 (de) * 1974-09-04 1976-03-18 Wirkmaschinenbau Karl Marx Veb Schiebernadel fuer maschenbildende textilmaschinen, wie strick-, kettenwirk-, naehwirk-, haekelgalon- o.dgl. maschinen
DE2919344A1 (de) * 1978-08-21 1980-03-13 Wirkmaschinenbau Karl Marx Veb Kettenwirkmaschine, insbesondere haekelgalonmaschine zur herstellung jacquardgemusterter polschlingengewirke

Also Published As

Publication number Publication date
KR102584594B1 (ko) 2023-10-04
EP3702504A2 (fr) 2020-09-02
EP3702504A3 (fr) 2021-01-20
TW202217105A (zh) 2022-05-01
CN113862896B (zh) 2023-07-25
TWI821672B (zh) 2023-11-11
KR20220002152A (ko) 2022-01-06
CN113862896A (zh) 2021-12-31

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