EP3702503B1 - Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart - Google Patents

Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart Download PDF

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Publication number
EP3702503B1
EP3702503B1 EP19159742.6A EP19159742A EP3702503B1 EP 3702503 B1 EP3702503 B1 EP 3702503B1 EP 19159742 A EP19159742 A EP 19159742A EP 3702503 B1 EP3702503 B1 EP 3702503B1
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EP
European Patent Office
Prior art keywords
stitch presser
base
knitting machine
flat knitting
disposed
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
EP19159742.6A
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German (de)
English (en)
Other versions
EP3702503A1 (fr
Inventor
Chih-Chiang Lee
Chih-Hsuan Chan
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.)
Pai Lung Machinery Mill Co Ltd
Original Assignee
Pai Lung Machinery Mill Co Ltd
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Publication date
Application filed by Pai Lung Machinery Mill Co Ltd filed Critical Pai Lung Machinery Mill Co Ltd
Priority to EP19159742.6A priority Critical patent/EP3702503B1/fr
Publication of EP3702503A1 publication Critical patent/EP3702503A1/fr
Application granted granted Critical
Publication of EP3702503B1 publication Critical patent/EP3702503B1/fr
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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
    • D04B15/88—Take-up or draw-off devices for knitting products
    • D04B15/90—Take-up or draw-off devices for knitting products for flat-bed knitting machines

Definitions

  • the present invention relates to a flat knitting machine stitch presser device, and particularly relates to a flat knitting machine stitch presser device with position varying with gap size.
  • the stitch presser position cannot be changed after a stitch presser device of the current flat knitting machine is set.
  • the stitch presser device has the problem of not being able to press the cloth if the gap size is changed in the knitting process of the flat knitting machine.
  • EP 0 472 341 A2 discloses a generic flat knitting machine stitch presser device.
  • the flat knitting machine is provided with swing sinkers and presser bars which can move into and out from a space provided between two needle beds in relative relationship so that they effectively urge the loops or stitches of yarn.
  • EP 0 597 548 A1 discloses a knitted fabric presser provided with pressers corresponding to respective reciprocal directions and installed in a carriage as one unit to be switchable.
  • a first presser presses a knitted fabric when the carriage is being moved in the left direction to knit.
  • a second presser is waiting in a resting position.
  • the first presser moves in conjunction with displacement of a sliding plate for driving in one direction on which provided with a follower engaged with a grooved cam for driving in one direction.
  • the second presser moves in conjunction with displacement of a sliding plate for driving in the other direction on which provided with a follower.
  • Displacement of a grooved cam plate is caused by driving via a rack engaged with a pinion fixed at a rotation axis of a motor. Movement traces of the first pressure and the second presser are determined so that both pressers are prevented from interfering with each other on movement thereof between a pressing position and a resting position.
  • EP 3 034 665 A1 discloses a flat knitting machine having at least one needle bed and a carriage movable along the needle bed on which at least one knitting system is arranged, wherein on the slide a device is provided for the stripping and / or insertion of weft, warp and / or fleece threads in a knitted fabric and / or for holding down a knitted fabric in the stitch formation and wherein the contact region of the device is arranged at one end and outside the knitting system.
  • EP 0 110 646 A1 discloses an approach for facilitating the control of a presser foot between knocking over bits in a flat V-bed knitting machine. At least some of the knocking over bits have inner edges whose lower portions have a smooth profile and are inwardly inclined, in the downward direction, with respect to the knocking over bits of the opposite needle bed.
  • the main purpose of the present invention is to solve the problem derived from gap size change of the flat knitting machine in the stitch presser device.
  • the flat knitting machine stitch presser device of the present invention is configured to change the stitch presser position when a gap size of the flat knitting machine structure is changed.
  • a flat knitting machine stitch presser device with position varying with gap size.
  • the flat knitting machine stitch presser device comprises a fixing (fixed) base disposed on a cam supporting base.
  • the position of the stitch presser device varies with gap size, wherein the flat knitting machine stitch presser device comprises a driving element, a sliding base disposed correspondingly to the fixing base, a limiting block combined with the fixing base and limiting the sliding base to only slide relative to the cam supporting base, a stitch presser sheet supporting arm and a stitch presser sheet.
  • the driving element is started when a knock-over bit cam makes a displacement stroke.
  • the sliding base is disposed to correspond to the fixing base, is provided with a guide block and makes a regulation stroke relative to the cam supporting base when the driving element moves.
  • One end of the stitch presser sheet supporting arm is fixed to a yarn feeder guide rod and the other end is provided with an installing base.
  • a passage is formed in the installing base.
  • the stitch presser sheet includes a control section connected with the guide block, a connection section extending from the control section and penetrating through the passage, and a stitch presser section extending from the connection section and facing a needle bed, wherein the control section leads the stitch presser section to move when the sliding base makes the regulation stroke, so as to change a stitch presser position.
  • the present invention comprises the following characteristics: the flat knitting machine stitch presser device of the present invention can change the stitch presser position when a gap size of the flat knitting machine structure is changed.
  • the present invention provides a flat knitting machine stitch presser device 40 with position varying with gap size.
  • a gap 10 of the present invention is defined by a plurality of knock-over bits 16 that face each other in two needle beds 11 and 12 disposed in a flat knitting machine 100.
  • the plurality of knock-over bits 16 are respectively driven by a knock-over bit cam 132 to move, so as to change the size of the gap 10.
  • a plurality of flat knitting machine stitch presser devices 40 are configured on the flat knitting machine 100 structure.
  • Each of the plurality of flat knitting machine stitch presser devices 40 is respectively disposed on a cam supporting base 137 included in one cam system 13.
  • Each of the plurality of flat knitting machine stitch presser devices 40 includes a driving element 41, a fixing base 42 disposed on the cam supporting base 137, a sliding base 43 disposed correspondingly to the fixing base 42 a limiting block 44 combined with the fixing base 42 and limiting the sliding base 43 to only slide relative to the cam supporting base 137, a stitch presser sheet supporting arm 45 and a stitch presser sheet 46 disposed on the stitch presser sheet supporting arm 45 and driven by the sliding base 43.
  • the driving element 41 is started when the knock-over bit cam 132 makes a displacement stroke 133. Namely, the driving element 41 is started based on whether the knock-over bit cam 132 makes the displacement stroke 133. Therefore, if the knock-over bit cam 132 moves, the driving element 41 also moves.
  • the sliding base 43 is disposed to correspond to the fixing base 42, and also makes a regulation stroke 431 relative to the cam supporting base 137 when the driving element 41 moves. Meanwhile, the sliding base 43 is provided with a guide block 432.
  • the sliding base 43 needs to move simultaneously.
  • the displacement made by the sliding base 43 is the regulation stroke 431 herein.
  • the sliding base 43 may be a U-shaped structure, and is disposed on the cam supporting base 137 in an inverted U manner.
  • the fixing base 42 can be disposed at a recess of the U-shaped structure.
  • the sliding base 43 may have a first long hole 436 in which the fixing base 42 is disposed.
  • the first long hole 436 is not the recess of the U-shaped structure, but is a hole disposed to corresponding to the recess.
  • the size of the first long hole 436 is set to at least provide an extent to which the sliding base 43 makes the regulation stroke 431.
  • the height of the fixing base 42 is the same as the height of the sliding base 43, so that the limiting block 44 is able to limit the sliding base 43 more specifically.
  • one end of the stitch presser sheet supporting arm 45 is fixed to the yarn feeder guide rod 30 and the other end is provided with an installing base 451; and a passage 452 is formed in the installing base 451.
  • the installing base 451 may be composed of a first component 453 and a second component 454 combined with the first component 453 and jointly defining the passage 452.
  • the stitch presser sheet 46 includes a control section 461 connected with the guide block 432, a connection section 462 extending from the control section 461 and penetrating through the passage 452, and a stitch presser section 463 extending from the connection section 462 and facing one of the needle bed 11 (or 12).
  • the control section 461 and the guide block 432 form a linkage relationship.
  • the control section 461 leads the stitch presser section 463 to move when the sliding base 43 makes the regulation stroke 431, so as to change a stitch presser position.
  • the stitch presser sheet 46 comprises a guide rod 464 disposed on the control section 461.
  • the guide block 432 is provided with a groove 437 in which the guide rod 464 is disposed.
  • the form of the groove 437 conforms to the guide rod 464.
  • the groove 437 can be implemented in a form of a rail.
  • the width of the connection section 462 corresponds to the width of the passage 452, so that the connection section 462 can slide in the passage 452.
  • the stitch presser section 463 generates a working surface for stitch presser the cloth through obvious size change related to the connection section 462.
  • the flat knitting machine stitch presser device 40 and the knock-over bit cam 132 move simultaneously since the time point when the flat knitting machine stitch presser device 40 changes the stitch presser position is the time when the gap 10 is changed. Therefore, when the driving element 41 is started when the knock-over bit cam 132 is controlled to move, the driving element 41 leads the sliding base 43 to make the regulation stroke 431. Next, the guide block 432 moves because the sliding base 43 moves. The control section 461 is driven by the guide block 432 to make the connection section 462 slide in the passage 452, so as to change the position of the stitch presser section 463 in the gap 10.
  • the driving element 41 comprises a combining part 411 connected with the knock-over bit cam 132 and a pushing part 412 connected with the combining part 411, wherein the pushing part 412 only makes one-dimensional motion.
  • the driving element 41 makes a driving stroke 413 for allowing the pushing part 412 to move when the knock-over bit cam 132 makes the displacement stroke 133.
  • the driving element 41 in the present embodiment may be formed in one-piece or formed by assembling a plurality of members. If the driving element 41 is formed by assembling the plurality of members, the combining part 411 and the pushing part 412 may be respectively different members.
  • the driving element 41 may have a push rod 414 disposed on the pushing part 412.
  • the sliding base 43 comprises an inclined guide path 433 which is positioned at one side of the sliding base 43 and in which the pushing part 412 is disposed.
  • the sliding base 43 comprises a first surface 434 that faces the cam supporting base 137, and a second surface 435 that faces the limiting block 44.
  • the inclined guide path 433 is disposed at one side of the sliding base 43 adjacent to the driving element 41.
  • the inclined guide path 433 extends from the first surface 434 to the second surface 435 toward the knock-over bit cam 132.
  • the inclined guide path 433 has the push rod 414 disposed therein, and the width of the inclined guide path 433 can correspond to the width of the push rod 414, so that the pushing part 412 can push the sliding base 43 specifically.
  • the driving element 41 is composed of a motor 415 and a gear 416 connected with the motor 415.
  • One side of the sliding base 43 is provided with a rack 438 that comes into contact with the gear 416.
  • the motor 415 is connected with a control device (not shown in the figure).
  • the control device controls the motor 415, and also controls a displacement mechanism used to drive the knock-over bit cam 132.
  • the control unit sends a working signal to the displacement mechanism
  • the control unit also sends a starting signal to the motor 415 to start the motor 415 and rotate the gear 416.
  • the gear 416 pushes the rack 438 while rotating, so that the sliding base 43 makes the regulation stroke 431.
  • the stitch presser sheet 46 comprises a second long hole 465 disposed on the connection section 462; and the installing base 451 comprises at least one installing hole 456 communicated with the passage 452 and providing an installing element 47 corresponding to the second long hole 465 to limit the stitch presser sheet 46. In this way, the stitch presser sheet 46 is prevented from separating from the passage 452 abnormally.

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

Claims (11)

  1. Dispositif de presse-maille (40) de machine à tricoter rectiligne, comprenant:
    une base de fixation (42) disposée sur une base de support de came (137);
    caractérisé en ce que la position du dispositif de presse maille varie avec la dimension du trou (10) et en ce qu'il comporte
    un élément d'entraînement (41) démarré lorsqu'une came de trépan de renversement (132) effectue une course de déplacement (133);
    une base coulissante (43) disposée en correspondance avec la base de fixation (42) et pourvue d'un bloc de guidage (432), la base coulissante (43) effectuant une course de régulation (431) par rapport à la base de support de came (137) lors du démarrage de l'élément d'entraînement (41);
    un bloc de limitation (44) combiné avec la base de fixation (42) et limitant la base coulissante (43) dans un seul coulissement par rapport à la base de support de came (137);
    un bras de support de feuille de presse-maille (45) fixé à une tige de guidage d'alimentation de fil (30) avec une extrémité du bras de support de feuille de presse-maille (45) et pourvue d'une base d'installation (451) sur l'autre extrémité du bras de support de feuille de presse-maille (45), dans lequel un passage (452) est formé dans la base d'installation (451); et
    une feuille de presse maille (46) comprenant une section de commande (461) reliée au bloc de guidage (432), une section de connexion (462) s'étendant depuis la section de commande (461) et pénétrant à travers le passage (452), et une section presse-maille (463) s'étendant à partir de la section de connexion (462) et faisant face à un lit à aiguilles, dans lequel la section de commande (461) amène la section presse-maille (463) à se déplacer lorsque la base coulissante (43) effectue la course de régulation (431), de manière changer une position de presse-maille.
  2. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de la revendication 1, dans lequel l'élément d'entraînement (41) comprend une partie de combinaison (411) connectée à la came de trépan de renversement (132) et une partie de poussée (412) connectée à la partie de combinaison (411);
    l'élément d'entraînement (41) effectue une course d'entraînement (413) pour permettre à la partie de poussée (412) de se déplacer lorsque la came à embout de renversement (132) effectue la course de déplacement (133);
    un côté de la base coulissante (43) est pourvu d'un chemin de guidage incliné (433) dans lequel la partie de poussée (412) est disposée; et
    la base coulissante (43) effectue la course de régulation (431) par rapport à la base de support de came (137) lorsque l'élément d'entraînement (41) effectue la course d'entraînement (413).
  3. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de la revendication 1, dans lequel l'élément d'entraînement (41) est composé d'un moteur (415) et d'un engrenage (416) connecté au moteur (415); et un côté de la base coulissante (43) est pourvu d'une crémaillère (438) qui vient en contact avec l'engrenage.
  4. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de l'une quelconque des revendications précédentes, dans lequel le bloc de limitation (44) comprend une première partie de crochet (441) qui fait saillie vers le bras de support de feuille de presse-maille (45); et le bras de support de feuille de presse-maille (45) comprend une seconde partie de crochet (455) disposée sur la base d'installation (451), faisant saillie vers le bloc de limitation (44) et combinée avec la première partie de crochet (441).
  5. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de les revendications 1 à 3, dans lequel la base coulissante (43) comprend un premier trou long (436) dans lequel la base de fixation (42) est disposée.
  6. Le dispositif de presse-maille (40) de machine à tricoter rectiligne (40) de la revendication 5, dans lequel la feuille de presse-maille (46) comprend un second trou long (465) disposé sur la section de connexion (462); et la base d'installation (451) comprend au moins un trou d'installation (456) communiquant avec le passage (452) et fournissant un élément d'installation (47) correspondant au deuxième trou long (465) pour limiter la feuille de presse-maille (46).
  7. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de la revendication 6, dans lequel la feuille de presse-maille (46) comprend une tige de guidage (464) disposée sur la section de commande (461); et le bloc de guidage (432) est pourvu d'une rainure (437) dans laquelle la tige de guidage (464) est disposée.
  8. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de l'une quelconque des revendications 1 à 3, dans lequel la feuille de presse-maille (46) comprend un second trou long (465) disposé sur la section de connexion (462); et la base d'installation (451) comprend au moins un trou d'installation (456) communiquant avec le passage (452) et fournissant un élément d'installation (47) correspondant au deuxième trou long (465) pour limiter la feuille de presse-maille (46).
  9. Le dispositif de presse-maille (40) de machine à tricoter rectiligne (40) de l'une quelconque des revendications 1 à 3, dans lequel la feuille de presse-maille (46) comprend une tige de guidage (464) disposée sur la section de commande (461); et le bloc de guidage (432) est pourvu d'une rainure (437) dans laquelle la tige de guidage (464) est disposée.
  10. Le dispositif de presse-maille (40) de machine à tricoter rectiligne (40) de la revendication 2, dans lequel la base coulissante (43) comprend une première surface (434) qui fait face à la base de support de came (137), et une seconde surface (435) qui fait face au bloc de limitation (44); et le chemin de guidage incliné (433) s'étend de la première surface (434) à la seconde surface (435) en direction de la came de trépan de renversement (132).
  11. Le dispositif de presse-maille (40) de machine à tricoter rectiligne de la revendication 10, dans lequel la feuille de presse-maille (46) comprend une tige de guidage (464) disposée sur la section de commande (461); et le bloc de guidage (432) est pourvu d'une rainure (437) dans laquelle la tige de guidage (464) est disposée.
EP19159742.6A 2019-02-27 2019-02-27 Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart Active EP3702503B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19159742.6A EP3702503B1 (fr) 2019-02-27 2019-02-27 Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19159742.6A EP3702503B1 (fr) 2019-02-27 2019-02-27 Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart

Publications (2)

Publication Number Publication Date
EP3702503A1 EP3702503A1 (fr) 2020-09-02
EP3702503B1 true EP3702503B1 (fr) 2021-07-28

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ID=65628685

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Application Number Title Priority Date Filing Date
EP19159742.6A Active EP3702503B1 (fr) 2019-02-27 2019-02-27 Dispositif de press-maille de machine à tricoter rectiligne à position variable selon la taille d'écart

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0110646B1 (fr) * 1982-11-22 1987-01-28 Courtaulds Plc Métier à tricoter
JPH0672347B2 (ja) * 1990-08-22 1994-09-14 株式会社島精機製作所 揺動シンカーとプレッサーバーを有する横編機
JP2602156B2 (ja) * 1992-11-09 1997-04-23 株式会社島精機製作所 横編機の編地プレッサー
EP3034665B1 (fr) * 2014-12-18 2024-01-24 KARL MAYER STOLL R&D GmbH Métier à tricoter rectiligne avec un dispositif presse-maille

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