EP3859067B1 - Métier à tricoter à mailles jetées - Google Patents

Métier à tricoter à mailles jetées Download PDF

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Publication number
EP3859067B1
EP3859067B1 EP21178973.0A EP21178973A EP3859067B1 EP 3859067 B1 EP3859067 B1 EP 3859067B1 EP 21178973 A EP21178973 A EP 21178973A EP 3859067 B1 EP3859067 B1 EP 3859067B1
Authority
EP
European Patent Office
Prior art keywords
bar
sections
knitting machine
warp knitting
main shaft
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
EP21178973.0A
Other languages
German (de)
English (en)
Other versions
EP3859067A3 (fr
EP3859067A2 (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 EP21178973.0A priority Critical patent/EP3859067B1/fr
Priority to CN202110818614.0A priority patent/CN115467081A/zh
Publication of EP3859067A2 publication Critical patent/EP3859067A2/fr
Publication of EP3859067A3 publication Critical patent/EP3859067A3/fr
Priority to TW111107352A priority patent/TWI805247B/zh
Priority to KR1020220070993A priority patent/KR20220167246A/ko
Application granted granted Critical
Publication of EP3859067B1 publication Critical patent/EP3859067B1/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
    • D04B27/08—Driving devices therefor
    • 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
    • D04B27/10—Devices for supplying, feeding, or guiding threads to needles
    • D04B27/24—Thread guide bar assemblies
    • D04B27/26—Shogging devices therefor
    • 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
    • D04B27/34—Take-up or draw-off devices for knitted products
    • 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
    • D04B37/00—Auxiliary apparatus or devices for use with knitting machines
    • D04B37/06—Auxiliary apparatus or devices for use with knitting machines with warp knitting machines

Definitions

  • the present invention relates to a warp knitting machine with a bar arrangement having a longitudinal direction, which is driven by a drive train, the bar arrangement being divided into at least two bar sections arranged next to one another and the drive train acting on both sections, the drive train having a number corresponding to the number of bar sections Has drive train sections, wherein the drive train sections with different phase positions having a phase difference, acting on the bar sections.
  • Such a warp knitting machine is, for example, from DE 10 2012 000 309 B4 known.
  • DE 41 29 723 A1 shows a double-head warp knitting machine in which each head has a knitting needle bar and the knitting needle bars are arranged parallel to one another.
  • the knitting needle bars are driven with different phase angles by two main shafts.
  • a warp knitting machine is used to produce warp knitted goods.
  • a sheet of threads which consists of a large number of threads arranged parallel to one another, is fed to a knitting area.
  • Knitting elements which include at least knitting needles and guide needles, work together in the knitting area.
  • the knitting needles are arranged on a knitting needle bar.
  • the guide needles are arranged on one or more guide bars. During a stitch formation process, the threads are guided around the knitting needles with the help of the guide needles.
  • the guide needles usually perform a pivoting movement transverse to the longitudinal direction. The knitting needles must be raised and lowered.
  • DE 20 2010 014 672 U1 shows a warp knitting machine with a machine frame in which a main shaft train is mounted.
  • the main shafting is driven by a drive motor, which acts on the main shafting between the two ends of the main shafting.
  • the object of the invention is to enable a high productivity of a warp knitting machine in a simple manner.
  • the bar arrangement here includes in particular the knitting needle bar, which must be raised and lowered in a stitch-forming process.
  • the individual bar sections will be raised and lowered at different times. Accordingly, those with the Movement of the knitting needle bar associated forces on the individual bar sections offset in time to each other, so that not all forces can act simultaneously in the same direction on the supporting structure of the warp knitting machine. By distributing the forces that occur over time, the overall load on the supporting structure can be reduced and a relatively high machine speed can be achieved at the same time. So you do not need different tools to manufacture the individual main shaft sections.
  • the bar arrangement preferably has two bar sections and the drive train has two drive train sections, which have a phase difference in the range from 150° to 210°, in particular in the range from 170° to 190°, to one another. In the ideal case, the phase difference is 180°.
  • the two bar sections are therefore driven in phase opposition to one another. When one section of the bar makes a rising move, the other section of the bar makes a falling move. Ideally, the resulting forces cancel each other out. Even if a complete compensation of the forces cannot be achieved, the anti-phase drive leads to a reduction in the forces that act on the supporting structure.
  • each bar section is associated with a pattern device. If the knitting needles rise and fall at different times in the individual bar sections, the guide needles (or other thread guides) must be controlled accordingly. This can easily be done by using a separate pattern setup for each bar section.
  • the pattern device of each bar section is preferably driven with a phase position corresponding to the bar section. This simplifies the control.
  • the pattern means of a bar section is driven by the drive train section associated with the bar section.
  • the corresponding phase position is thus automatically achieved.
  • the bar sections are preferably arranged next to one another in the longitudinal direction. In this way, the working width of the warp knitting machine can easily be increased, in particular doubled.
  • the bar sections are arranged one behind the other transversely to the longitudinal direction. So you arrange two needle formations back to back, so to speak. This also enables increased productivity to be achieved.
  • the drive train preferably has a main shaft which determines the phasing of each drive train section.
  • the main shaft has eccentrics, for example for individual connecting rods or multiple connecting rods. These eccentrics determine when the knitting needle bar is raised and lowered with the help of the connecting rod or rods. By aligning the eccentricity of the eccentrics, the phase position of the respective drive train section can be determined in a simple manner.
  • each main shaft section forms its own component and the components are connected to one another. This simplifies production.
  • Two main shaft sections are preferably connected to one another by a connecting device which causes the angular offset.
  • the connecting device can be designed, for example, as a shaft that is arranged between the main shaft sections.
  • the individual main shaft sections are now no longer mounted on the connecting device with the same angular orientation, but with the desired angular offset, which then defines the phase difference between the drive shaft sections.
  • a coupling between at least one main shaft section and a connecting device preferably enables a plurality of different angular positions between the main shaft section and the connecting device.
  • the coupling enables a first angular position, for example at 0°, and a second angular position at 180°. With that, the Assembly kept simple. You only have to stock a limited number of items.
  • Each bar section is preferably assigned its own yarn feed system, which is arranged between a warp beam and a knitting area.
  • the warp beam is not included in the yarn feed system here.
  • the thread feed system is also referred to simply as the "crosshair system”. This is subdivided accordingly, since it has to absorb different movements.
  • a goods take-off and/or a warp beam axis are designed together for at least two bar sections. This means that the goods take-off is designed in one piece or is only driven by one drive. The same also applies to the warp beam axis in the alternative or additional configuration. Goods take-off and/or the warp beam axis cannot therefore move completely independently of one another.
  • the bar arrangement comprises at least the knitting needle bar. If the knitting needles are designed as compound needles, the bar arrangement also includes a compound bar and possibly a pile sinker bar.
  • the warp knitting machine 1 has first foundation bars 4 and second foundation bars 5 . More guide bars can be provided.
  • the bar sections 2, 3 are driven by a drive train which in the present case has a main shaft 6 which is driven by a drive motor 7.
  • the main shaft 6 is mounted in a machine bed 8 and is lubricated by an oil supply 9 .
  • the first bar assembly 2 is connected to the mainshaft 6 via connecting rods 10-12 ( 2 ).
  • the second bar section 3 is connected to the main shaft 6 via connecting rods 13-15.
  • the main shaft 6 has a drive train section 16 for the first bar section 2 and a drive train section 17 for the second bar section 3.
  • the two drive train sections 16, 17 are in 2 shown with only part of their length.
  • Connecting rods 10-12 shown are arranged in connecting rod boxes 18.
  • four connecting rod boxes are provided for the first bar section 2 .
  • the connecting rods 13-15 are provided in connecting rod cases 19.
  • Four connecting rod boxes 19 are also provided for the second bar section 3 .
  • the first guide bars 4 are driven in a controlled manner by a first pattern device 20 .
  • the second guide bars 5 are driven in a controlled manner by a second pattern device 21 .
  • the first pattern device 20 is connected to the main shaft 6 , more precisely to the first main shaft section 16 , via a first transmission element 22 .
  • the second pattern device is connected to the second section 17 of the main shaft 6 via a second transmission element 23 .
  • the warp knitting machine 1 also has a plurality of warp beams 24-26 for the first bar section 2 and a plurality of warp beams 27-29 for the second bar section 3. Threads that are deducted from the partial warp beams 24-26 are guided through the first guide bar 4. Threads that are drawn off from the second partial warp beams 27-29 are guided through the second guide bars 5.
  • a knitted fabric formed by stitch formation with the threads drawn off from the partial warp beams 24-29 is, if necessary, relaxed by a first relaxation device 30 (for the knitted fabric produced with the aid of the first bar section 2) and by a second relaxation device 31 (for the knitted product produced with the aid of the second Bar section 3 produced knitwear) out and then wound up in a coil 32.
  • the partial warp beams 24-29 are arranged on a common warp beam axis 44.
  • the roll-up 32 is also uniform for the entire working width of the warp knitting machine 1.
  • a first crosshair system 33 is arranged between the partial warp beams 24-26 and the first bar section 2.
  • FIG. A second crosshair system 34 is arranged between the second partial warp beams 27-29 and the second bar section 3 .
  • the two reticle systems 33, 34 are designed separately from one another.
  • the connecting rods 10-12 are each mounted on the main shaft 6 on eccentrics.
  • An eccentric 35 is shown for the connecting rod 12 .
  • the eccentric has an axis of rotation 36 .
  • the connecting rod 12 is located (in the representation of 2 ) in its lowest position, also known as the "top layer”.
  • the connecting rod 15 is also mounted on an eccentric 37 which has an axis of rotation 38 .
  • the axis of rotation 38 of the second eccentric 37 coincides with the axis of rotation 36 of the first eccentric 35 . It can be seen that the connecting rod 15 in the second Main shaft section 17 is in its uppermost position. This position is also referred to as "extended position".
  • a corresponding arrangement of the eccentric is also provided for the connecting rods 10, 11 for the first main shaft section 16 and the connecting rods 13, 14 for the second main shaft section 17.
  • the eccentric 37 in the second main shaft section 17 is offset by 180° to the first eccentric 35 in the first main shaft section 16 .
  • a mainshaft member 39 is shown separate from eccentric 35.
  • This main shaft element 39 has a groove 40 which defines a "zero position”.
  • the second eccentric 37 is also connected to a main shaft element 41, which is shown separately here, the main shaft element 41 having a groove 42 which also defines a zero position.
  • the two grooves 40, 42 are offset from one another by 180° in the direction of rotation of the main shaft 6.
  • a corresponding main shaft element 39' or 41' is in turn provided at the other end of each main shaft section.
  • connection between the main shaft sections 16, 17 takes place with a connecting device 43, which is shown only schematically in 1 is shown.
  • the connecting device 43 can now be designed in such a way that its connection geometry with the main shaft sections 16, 17, ie with the main shaft elements 39', 41', allows a connection in two (or more) different angular positions.
  • the connecting device 43 can have two spring mounting positions that are offset by 180° from one another, with a spring being inserted into only one of the spring mountings in order to create a non-rotatable connection between the main shaft section 16 and the connecting device 43 or between the main shaft section 17 and the connecting device 43 to effect.
  • the pattern devices 20, 21 also act in phase opposition on the guide bars 4, 5, so that the forces acting in the longitudinal direction are at least largely compensated.
  • the exemplary embodiment shown has two bar sections 2, 3. However, it is easily possible to divide the warp knitting machine 1 into more than two sections, in which case other phase differences are then produced between the individual bar sections. For example, when using three bar sections, it may be appropriate to provide a phase difference of 120° between each bar section. In the case of four sections, a phase difference of 90° can be provided, for example.
  • the individual main shaft sections 16, 17 can be of the same design.
  • the phase offset is then brought about by the connecting device 43 .

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

Claims (14)

  1. Métier à tricoter à mailles jetées (1) avec un agencement de barre comportant une direction longitudinale, qui est entraîné par un groupe d'entraînement, sachant que l'agencement de barre est subdivisé en au moins deux sections de barre disposées l'une à côté de l'autre (2, 3) et le groupe d'entraînement agit sur les deux sections de barre (2, 3), sachant que le groupe d'entraînement comporte un nombre de section de groupe d'entraînement correspondant au nombre des sections de barre (2, 3), sachant que les sections de groupe d'entraînement avec des positions de phase différentes, comportant une différence de phase, agissent sur les sections de barre (2, 3), caractérisé en ce qu'au moins deux sections d'arbre principal (16, 17) sont constituées de façon identique et sont disposées l'une par rapport à l'autre avec un déport angulaire correspondant à la différence de phase.
  2. Métier à tricoter à mailles jetées selon la revendication 1, caractérisé en ce que l'agencement de barre comporte deux sections de barre (2, 3) et le groupe d'entraînement comporte deux sections de groupe d'entraînement, qui comportent une différence de phase l'une par rapport à l'autre de l'ordre de 150° à 210°, en particulier de l'ordre de 170° à 190°.
  3. Métier à tricoter à mailles jetées selon les revendications 1 ou 2, caractérisé en ce qu'un dispositif de dessin (20, 21) est attribué à chaque section de barre (2, 3).
  4. Métier à tricoter à mailles jetées selon la revendication 3, caractérisé en ce que le dispositif de dessin (20, 21) de chaque section de barre (2, 3) est activé avec une position de phase correspondant à la section de barre (2, 3).
  5. Métier à tricoter à mailles jetées selon la revendication 3 ou 4, caractérisé en ce que le dispositif de dessin (20, 21) d'une section de barre (2, 3) est entraîné par la section de groupe d'entraînement attribuée à la section de barre (2, 3).
  6. Métier à tricoter à mailles jetées selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les sections de barre (2, 3) sont disposées l'une à côté de l'autre dans la direction longitudinale.
  7. Métier à tricoter à mailles jetées selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les sections de barre (2, 3) sont disposées l'une derrière l'autre transversalement à la direction longitudinale.
  8. Métier à tricoter à mailles jetées, selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le groupe d'entraînement comporte un arbre principal (6), qui détermine la position de phase de chacun section de groupe d'entraînement.
  9. Métier à tricoter à mailles jetées selon la revendication 8, caractérisé en ce que l'arbre principal (6) comporte plusieurs sections d'arbre principal (16, 17), sachant que les sections d'arbre principal (16, 17) déterminent la position de phase de chaque section de groupe d'entraînement.
  10. Métier à tricoter à mailles jetées selon la revendication 9, caractérisé en ce que chaque section d'arbre principal (16, 17) forme un composant propre et les composants sont reliés entre eux.
  11. Métier à tricoter à mailles jetées selon l'une quelconque des revendications 1 à 10, caractérisé en ce que deux sections d'arbre principal (16, 17) sont reliées entre elles par un système de liaison (43), qui créée un déport angulaire.
  12. Métier à tricoter à mailles jetées selon la revendication 11, caractérisé en ce qu'un accouplement entre au moins une section d'arbre principal (16, 17) et un système de liaison (43) permet plusieurs positions angulaires différentes entre la section d'arbre principal (16, 17) et le système de liaison (43).
  13. Métier à tricoter à mailles jetées selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'à chaque section de barre (2, 3) est attribué un système d'alimentation de fil (33, 34) propre qui est disposé entre un ensouple (24-29) et une zone de tricotage.
  14. Métier à tricoter à mailles jetées selon l'une quelconque des revendications 1 à 13, caractérisé en ce qu'un enroulement de tissu (32) et/ou un axe d'ensouple (44) sont constitués en commun respectivement pour au moins deux sections de barre (2, 3).
EP21178973.0A 2021-06-11 2021-06-11 Métier à tricoter à mailles jetées Active EP3859067B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP21178973.0A EP3859067B1 (fr) 2021-06-11 2021-06-11 Métier à tricoter à mailles jetées
CN202110818614.0A CN115467081A (zh) 2021-06-11 2021-07-20 经编针织机
TW111107352A TWI805247B (zh) 2021-06-11 2022-03-01 經編針織機
KR1020220070993A KR20220167246A (ko) 2021-06-11 2022-06-10 경편기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21178973.0A EP3859067B1 (fr) 2021-06-11 2021-06-11 Métier à tricoter à mailles jetées

Publications (3)

Publication Number Publication Date
EP3859067A2 EP3859067A2 (fr) 2021-08-04
EP3859067A3 EP3859067A3 (fr) 2022-01-12
EP3859067B1 true EP3859067B1 (fr) 2023-08-02

Family

ID=76392257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21178973.0A Active EP3859067B1 (fr) 2021-06-11 2021-06-11 Métier à tricoter à mailles jetées

Country Status (4)

Country Link
EP (1) EP3859067B1 (fr)
KR (1) KR20220167246A (fr)
CN (1) CN115467081A (fr)
TW (1) TWI805247B (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266411A (en) * 1979-10-15 1981-05-12 Veb Wirkmaschinenbau Karl-Marx-Stadt Method and machine for forming plush-loop warp knit fabric
DE4129723A1 (de) * 1991-09-06 1993-03-11 Liba Maschf Mit hakennadeln ausgestattete kettenwirkmaschine
DE502006003709D1 (de) * 2006-01-25 2009-06-25 Groz Beckert Kg Wirknadel und Barre für diese
JP2008280630A (ja) * 2007-05-09 2008-11-20 Yoshida Sangyo Kk 経編機
DE202010014672U1 (de) * 2010-10-23 2010-12-30 Karl Mayer China LTD., Changzhou Kettenwirkmaschine
DE102012000309B4 (de) * 2012-01-10 2014-11-13 Karl Mayer Textilmaschinenfabrik Gmbh Wirkmaschine zum Abarbeiten von mindestens zwei Warenbahnen

Also Published As

Publication number Publication date
EP3859067A3 (fr) 2022-01-12
TW202248490A (zh) 2022-12-16
KR20220167246A (ko) 2022-12-20
TWI805247B (zh) 2023-06-11
EP3859067A2 (fr) 2021-08-04
CN115467081A (zh) 2022-12-13

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