EP4019682B1 - Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil - Google Patents

Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil Download PDF

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Publication number
EP4019682B1
EP4019682B1 EP20216845.6A EP20216845A EP4019682B1 EP 4019682 B1 EP4019682 B1 EP 4019682B1 EP 20216845 A EP20216845 A EP 20216845A EP 4019682 B1 EP4019682 B1 EP 4019682B1
Authority
EP
European Patent Office
Prior art keywords
knitting machine
thread guide
thread
protective housing
guide member
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
EP20216845.6A
Other languages
German (de)
English (en)
Other versions
EP4019682A1 (fr
Inventor
Jürgen Mohr
Patrick Schröder
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 EP20216845.6A priority Critical patent/EP4019682B1/fr
Priority to CN202111588119.1A priority patent/CN114657687B/zh
Publication of EP4019682A1 publication Critical patent/EP4019682A1/fr
Application granted granted Critical
Publication of EP4019682B1 publication Critical patent/EP4019682B1/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
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54—Thread guides
    • D04B15/56—Thread guides for flat-bed knitting machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/50—Thread-feeding devices for elastic threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/54—Thread guides
    • 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
    • D04B27/02—Warp-thread guides
    • 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
    • D04B39/00—Knitting processes, apparatus or machines not otherwise provided for
    • D04B39/04—Knitting processes, apparatus or machines not otherwise provided for adapted for combined weft and warp knitting

Definitions

  • thread insertion is using thread guides according to EP 2 243 871 B1 , which are vertically movable, as well as swiveling thread guide rails ( EP 2 843 095 A1 ) achievable.
  • the thread guide eyelets used as standard in the known thread guides can only feed one or more knitting threads together to the knitting needles. A separation of the threads is not possible with the thread guides according to this prior art. Also, the width of the thread guide eyelets is not suitable for moving the thread or threads between the knitting needles in flat knitting machines with finer needle gauges.
  • the object of the present invention is to equip a flat knitting or warp knitting machine with the possibility of being able to reliably feed one or more separate threads per thread guide to the needles of the knitting machine by means of a thread guide.
  • the object is achieved by a flat knitting or warp knitting machine with at least one thread guide that can be moved along a thread guide rail and has a thread guide arm, at the lower end of which a thread guide element is arranged, which is characterized in that the thread guide element has one or more thread feed elements for feeding threads to Has knitting needles of the flat knitting or warp knitting machine and that a protective housing is provided to cover the yarn guide.
  • the protective housing protects the yarn guide element with the yarn feed elements and the fed yarns from damage, breakage and dirt.
  • the thread guide element and the protective housing can expediently be arranged on the thread guide arm so that they can be moved relative to one another, such that the thread guide element is covered by the protective housing in a first relative position between the protective housing and thread guide element, which defines a rest position of the thread guide element, and in a second relative position, which defines a working position of the thread guide element defined, is located outside the protective housing.
  • the protective housing protects the yarn guide from damage, while in the working position, the unhindered feeding of yarns to the knitting needles is ensured by the protective housing.
  • the relative movement between the protective housing and the thread-guiding element can be made possible in that the thread-guiding element is arranged so that it can move vertically on the thread guide arm.
  • the protective housing can be arranged so that it can move vertically on the yarn guide arm.
  • the rest position and the working position of the thread guide can be realized solely by a movement of the protective housing or the thread guide or by a superimposed vertical movement of protective housing and thread guide.
  • the thread feeding elements can thus be optimally positioned for the thread insert in the working position of the thread guide element.
  • the resting position can be optimized in such a way that the yarn guide element remains safely out of reach of other devices of the knitting machine such as carriages, needles, sinkers or the like when not in use.
  • the protective housing can also be arranged on the thread guide arm in such a way that it is outside the range of movement of carriages, knitting needles, sinkers and other elements of the flat knitting or warp knitting machine during the knitting operation of the machine.
  • the movement of the protective housing and/or the yarn guide member can be motorized, for example, via a belt drive or by means of shift gates.
  • the protective housing and the yarn guide element can also be movable or adjustable in the horizontal direction. This movement can be initiated, for example, by the thread guide arm. This makes it possible to pass threads between needles of a needle bed in the working position of the thread guide element, for example in order to loop around a needle. In addition, a resting position can be taken in the horizontal direction outside the needle area.
  • the yarn guide element can have eyelets, perforated needles or small tubes as yarn feed elements of a single type or in any combination.
  • thread feed elements are arranged interchangeably on the thread guide element.
  • the appropriate thread feed elements can be arranged on the thread guide element.
  • Each thread feeding element can feed one or more threads with needle precision.
  • the thread guide is thus able to feed a large number of threads separately to different needles.
  • a collecting piece with a multiplicity of openings for the passage of threads can also be arranged at the upper end of the thread guide arm.
  • a thread or a plurality of threads can be passed through each opening and then guided to the thread feed elements and taken up separately by them and fed to selected needles.
  • a preferred exemplary embodiment of a thread guide of a flat knitting or warp-knitting machine according to the invention and its use on the machine are described in more detail below with reference to the drawing.
  • FIG. 1 shows a perspective view of a thread guide 100, which is driven independently and is movably mounted on a thread guide rail 101.
  • the thread guide 100 can feed one or more threads to the needles SN1, SN2 ( 2 ) of a flat knitting or warp knitting machine not shown here.
  • the thread guide 100 includes a first and a second carriage part 1, 2, which are connected to one another by means of a web 6 or a plurality of webs 6. At the upper end of the thread guide 100 a claw 3 is attached.
  • the collecting piece 3 has a multiplicity of openings 30 for the passage of one or more threads, not shown here, which are to be fed to the needles SN1, SN2 of the flat knitting machine.
  • the openings 30 can be designed purely as bores or openings. Alternatively, inserts can be provided which are inserted into the openings 30.
  • the collecting piece 3 serves to collect and separate the threads entering the thread guide 100 .
  • the thread guide 100 has a thread guide arm 120 with a central support plate 7, at the lower end of which a thread guide element 4 is attached, which has thread feed elements 41 for feeding one or more threads to the knitting needles SN1, SN2 of the flat knitting or warp knitting machine.
  • the thread feed elements 41 can be designed in the form of eyelets, tubes, guide needles or simple openings in a bar provided for this purpose, which is not shown here.
  • the yarn guide element 4 is surrounded by a protective housing 5 .
  • the protective housing 5 is attached to the lower end of the yarn guide arm 120 .
  • a device not shown here allows the adjustment of the protective housing 5 in the horizontal and / or vertical direction, so that a precise alignment of the protective housing 5 relative to the thread guide element 4 and other moving components in the flat knitting or warp knitting machine, which can come into contact with the thread guide 100, is given.
  • the thread guide element 4 can be moved in the vertical direction relative to the thread guide 100 and the protective housing 5 in such a way that the thread feed elements 41 of the thread guide element 4 are in an upper rest position and partially or completely within the
  • Protective housing 5 or - as in 1 shown - are in a lower working position outside the protective housing 5. However, it is also conceivable that the protective housing 5 will move relative to the thread guide element 4 and the thread guide arm 120 .
  • the thread feed elements 41 and the thread or threads running through them are protected from damage, breakage or soiling by other components of the flat knitting or warp knitting machine.
  • threads can be brought to driven out knitting needles SN1, SN2 by moving the thread guide 100 on the thread guide rail 101 and moving the thread guide 100 transversely to the thread guide rail direction.
  • FIGS. 2a, b show a sectional view of the comb gap area of a flat knitting machine, otherwise not shown in detail, with a front and rear needle bed NB1 and NB2 and knitting needles SN1 and SN2 guided therein.
  • a thread guide according to the prior art 110 is shown, which is in the Fig. 2a, b with reference to according to the plane of the drawing behind a thread guide 100 according to the invention 1 located.
  • Figure 2a shows the thread guide 100 in a position in which the thread guide element 4 is in its upper rest position away from the comb gap.
  • the thread guide 110 can pass the thread guide 100, or it can be passed by it, without the thread feed elements 41 and/or the threads to be fed, not shown here, being damaged or soiled. It is also possible that two thread guides 100 can pass each other.
  • Figure 2b shows the thread guide 100 in a position in which the thread guide element 4 is in its lower working position near the comb gap. As a result, the thread guide element 4 is located completely outside of the protective housing 5.
  • the thread guide 100 can insert the thread or threads to be fed through it into the needles SN1 and/or SN2.
  • the Fig. 3a - d show a sequence of movements of the thread guide 100 with the thread feed elements 41 relative to the needles SN1, SN2.
  • the yarn guide element 4 is in its working position and thus the yarn feed elements 41 are in a yarn feed position close to the comb gap.
  • the Figures 4a - c show the lower end of the thread guide 100 in different positions in an enlarged, three-dimensional view.
  • the thread guide 100 is shown in a position in which the thread feed elements 41 of the thread guide element 4 are located within the protective housing 5.
  • the upper resting position away from the comb gap is shown here, in which there is no thread feed to the needles SN1, SN2.
  • the yarn guide element 4 has a holder 42 to which a carrier plate 40 for the yarn feed elements 41 is attached.
  • the holder 42 in turn is used to attach the yarn guide 4 to the lower end of the yarn guide arm 120 and the vertical movement of the yarn guide 4.
  • the elements 40, 41 and 42 can also be designed as one component.
  • Figure 4b shows the thread guide 100 in a position in which the elements 41 of the thread guide element 4 are outside of the protective housing 5.
  • the lower working position, close to the comb gap, is thus shown here, in which the thread or threads are brought to the needles SN1, SN2.
  • the protective housing 5 has a U-shaped recess 50 which allows the position of the yarn guide element 4 to be checked visually.
  • a scale 43 is also provided on the holder 42, which can be read through the recess 50 and, together with an arrow 51 on the protective housing, makes it easier to check the position.
  • a center mark 52 is also provided on the protective housing.
  • Figure 4c is again an enlarged view of the thread guide 100 in FIG Figure 4b shown position, the elements 41 of the yarn guide member 4 are in their working position close to the comb gap between the needles SN1, SN2 driven out in this illustration.
  • Fig. 5a - b show sectional views of the thread guide 100, the vertical movement of the thread guide element 4 in the direction of the comb gap not shown here or the knitting needles not shown here being shown relative to the protective housing 5.
  • a vertical movement via a contact area 82 is introduced into a U-shaped element 9 of the thread guide 100 by means of an element 8 by initiating a rotational movement about a pivot point 81 , whereby a vertical movement of the thread guide element 4 is realized via the carrier plate 7 .
  • FIG 5a the thread guide 100 is shown in a position in which the thread guide element 4 was brought into its lower working position near the comb gap by rotating the element 8 in the direction of an arrow U. This position can be adjusted exactly by varying the rotational movement of the element 8 .
  • Figure 5b shows the thread guide 100 in a position in which the thread guide element 4 was brought into its upper rest position away from the comb gap by rotating the element 8 in the direction of an arrow 0.
  • the protective housing 5 could also be adjusted vertically in a similar way to the yarn guide element 4 via a rotatable element.

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

Claims (12)

  1. Métier à tricoter rectiligne ou à bonneterie comportant au moins un guide-fil (100) mobile le long d'un rail de guide-fil (101), lequel guide-fil (100) présente un bras de guide-fil (120), au niveau de l'extrémité inférieure duquel un organe de guidage de fil (4) est disposé, l'organe de guidage de fil (4) présentant un ou plusieurs éléments d'alimentation de fil (41) pour l'alimentation de fils à des aiguilles à tricoter (SN1, SN2) du métier à tricoter rectiligne ou à bonneterie, caractérisé en ce qu'un boîtier de protection (5) est prévu pour le recouvrement au moins du ou des éléments d'alimentation de fil (41) de l'organe de guidage de fil (4).
  2. Métier à tricoter rectiligne ou à bonneterie selon la revendication 1, caractérisé en ce que l'organe de guidage de fil (4) et le boîtier de protection (5) sont disposés mobiles l'un par rapport à l'autre sur le bras de guide-fil (120), de telle façon que l'organe de guidage de fil (4), dans une première position relative entre le boîtier de protection (5) et l'organe de guidage de fil (4) qui définit une position de repos de l'organe de guidage de fil (4), est recouvert par le boîtier de protection (5) et, dans une seconde position relative qui définit une position de travail de l'organe de guidage de fil (4), se trouve en dehors du boîtier de protection (5).
  3. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que l'organe de guidage de fil (4) est disposé mobile verticalement sur le bras de guide-fil (120).
  4. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que le boîtier de protection (5) est disposé mobile verticalement sur le bras de guide-fil (120).
  5. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications 2 à 4, caractérisé en ce que la position de repos et la position de travail de l'organe de guidage de fil (4) peuvent être réglées.
  6. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que le boîtier de protection (5) est disposé sur le bras de guide-fil (120) de telle façon qu'il se trouve en dehors de la zone de déplacement de chariots, aiguilles à tricoter (SN1, SN2), platines et autres éléments du métier à tricoter rectiligne ou à bonneterie pendant l'opération de tricotage du métier.
  7. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications 2 à 6, caractérisé en ce que le déplacement du boîtier de protection (5) et/ou de l'organe de guidage de fil (4) est effectué de manière motorisée, par l'intermédiaire d'un entraînement par courroie ou au moyen d'une coulisse de commutation.
  8. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que d'autres guides-fils (110) ou d'autres boîtiers de protection 5 du métier à tricoter rectiligne ou à bonneterie peuvent être déplacés au moyen du boîtier de protection (5).
  9. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que le boîtier de protection (5) et l'organe de guidage de fil (4) peuvent être déplacés dans la direction horizontale au moyen du bras de guide-fil (120).
  10. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que l'organe de guidage de fil (4) présente des éléments d'alimentation de fil (41) d'un seul type ou dans une combinaison quelconque d'oeillets, de passettes ou de petits tubes.
  11. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce que les éléments d'alimentation de fil (41) sont disposés de manière interchangeable sur l'organe de guidage de fil (4).
  12. Métier à tricoter rectiligne ou à bonneterie selon l'une des revendications précédentes, caractérisé en ce qu'un collecteur (3) comportant une pluralité d'ouvertures (30) pour le passage de fils est disposé au niveau de l'extrémité supérieure du guide-fil (100).
EP20216845.6A 2020-12-23 2020-12-23 Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil Active EP4019682B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20216845.6A EP4019682B1 (fr) 2020-12-23 2020-12-23 Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil
CN202111588119.1A CN114657687B (zh) 2020-12-23 2021-12-23 具有至少一个导纱器的编织机或针织机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20216845.6A EP4019682B1 (fr) 2020-12-23 2020-12-23 Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil

Publications (2)

Publication Number Publication Date
EP4019682A1 EP4019682A1 (fr) 2022-06-29
EP4019682B1 true EP4019682B1 (fr) 2023-08-30

Family

ID=73857003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20216845.6A Active EP4019682B1 (fr) 2020-12-23 2020-12-23 Métier à bonneterie ou à tricoter pourvu d'au moins un guide-fil

Country Status (2)

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EP (1) EP4019682B1 (fr)
CN (1) CN114657687B (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19514995C2 (de) * 1995-04-24 1997-06-19 Mayer Textilmaschf Kettenwirkmaschine
CN2595829Y (zh) * 2002-12-18 2003-12-31 东华大学 新型双轴向横机经纬纱喂入装置
CN101641468B (zh) * 2007-03-22 2011-06-29 株式会社岛精机制作所 针织纱切换方法以及针织纱切换装置
EP2037027B1 (fr) * 2007-09-11 2011-08-31 H. Stoll GmbH & Co. KG Guide-fil pour machine à tricoter rectiligne
EP2243871B1 (fr) 2009-04-23 2012-05-23 H. Stoll GmbH & Co. KG Machine à tricoter rectiligne dotée d'au moins un guide-fil pouvant être déplacé le long d'un rail de guide-fil
DE102010033024B4 (de) * 2010-07-31 2013-09-19 H. Stoll Gmbh & Co. Kg Fadenführer für eine Flachstrickmaschine und Flachstrickmaschine
CN103147221B (zh) * 2013-03-27 2014-10-22 卡尔迈耶（中国）有限公司 经编机
EP2813608B1 (fr) * 2013-06-11 2016-07-13 H. Stoll AG & Co. KG Machine à tricoter rectiligne
EP2843095A1 (fr) * 2013-08-29 2015-03-04 H. Stoll GmbH & Co. KG Métier à tricoter rectiligne doté de guide-fils mobiles transversalement par rapport à la planche d'aiguilles
EP3115491B2 (fr) * 2015-07-09 2022-08-03 H. Stoll AG & Co. KG Machine à tricoter rectiligne
US11401638B2 (en) 2018-05-22 2022-08-02 Fabdesigns, Inc. Method of knitting a warp structure on a flat knitting machine

Also Published As

Publication number Publication date
CN114657687A (zh) 2022-06-24
EP4019682A1 (fr) 2022-06-29
CN114657687B (zh) 2023-09-29

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