EP3363939B1 - Métier à mailles jetées à double fonture - Google Patents

Métier à mailles jetées à double fonture Download PDF

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Publication number
EP3363939B1
EP3363939B1 EP18158768.4A EP18158768A EP3363939B1 EP 3363939 B1 EP3363939 B1 EP 3363939B1 EP 18158768 A EP18158768 A EP 18158768A EP 3363939 B1 EP3363939 B1 EP 3363939B1
Authority
EP
European Patent Office
Prior art keywords
warp
knitting machine
main shaft
drive
machine according
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
EP18158768.4A
Other languages
German (de)
English (en)
Other versions
EP3363939A3 (fr
EP3363939A2 (fr
Inventor
Martin Schorlemmer
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 EP18158768.4A priority Critical patent/EP3363939B1/fr
Priority to CN201810628489.5A priority patent/CN110195292B/zh
Publication of EP3363939A2 publication Critical patent/EP3363939A2/fr
Publication of EP3363939A3 publication Critical patent/EP3363939A3/fr
Priority to TW108102742A priority patent/TWI770347B/zh
Priority to KR1020190022257A priority patent/KR102174945B1/ko
Priority to JP2019032250A priority patent/JP6893618B2/ja
Application granted granted Critical
Publication of EP3363939B1 publication Critical patent/EP3363939B1/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
    • D04B27/10—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
    • D04B23/00—Flat warp knitting machines
    • D04B23/02—Flat warp knitting machines with two sets of needles
    • 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

Definitions

  • the present invention relates to a double-contour warp knitting machine with the features of the preamble of claim 1.
  • Such a warp knitting machine is for example off WO 03/071018 A1 known.
  • Such a warp knitting machine is used, for example, to produce spacer knitted fabrics.
  • a knitted spacer fabric has two cover layers, between which spacer threads are arranged. The two cover layers are each produced by knitting tools, the knitting tools used to produce a cover layer each being assigned to a needle contour.
  • the bar arrangement is used, which the Spacer threads between the first cover layer and the second cover layer, that is, between the first needle contour and the second needle contour, leads.
  • Each type of knitting tool of a needle contour is usually attached to a bar.
  • Each bar must perform a predetermined movement during a loop formation process. This movement is generated by drive units, which in turn are in operative connection with the main shaft.
  • a drive unit is the collective term for all moving parts that belong to a knitting tool type and a knitting tool movement and have a form of kinematics.
  • the invention is based on the object of specifying a double-contour warp knitting machine with high productivity.
  • At least one first drive unit is preferably arranged parallel to the main shafts in an intermediate space between two second drive units. It is thus possible to activate the bar arrangement alternately, so to speak, by the two main shafts.
  • at least one second drive unit can also be arranged between at least two first drive units.
  • the first and second drive units are arranged alternately along the length of the bar assembly. A point-symmetrical arrangement can be used.
  • each main shaft has several sections, each section being mounted in a gear box, adjacent gear boxes being connected to one another by intermediate shafts and at least two gear boxes being arranged offset from one another parallel to the main shafts.
  • the gear boxes which can also be referred to as “crank boxes", usually support the sections of the respective main shafts on their two end faces. If the gear boxes are offset from one another parallel to the main shafts, then the corresponding support points on the bar arrangement can also be easily offset parallel to the main shafts.
  • the offset can mean that the gear boxes are arranged with gaps to one another. But it is also possible that the gear boxes overlap each other in the direction parallel to the main shafts.
  • the bar arrangement is preferably driven with a movement which results from a superposition of two basic movements, each basic movement being controlled by drive units which act on both Main waves are distributed.
  • One of these basic movements is a pivoting movement that is used to form a stitch.
  • the loop formation takes place at least twice per main shaft revolution, i.e. once per needle contour, offset in time.
  • the other basic movement is then a movement between the two needle contours. This is used to overcome large distances between the needle contours. If the movement of the bar arrangement is combined by superimposing two basic movements, this makes it easier to control the movement and enables the production of spacer fabrics with a large thickness.
  • each main shaft controls the first basic movement and the second basic movement.
  • two different drive units are arranged on the section of the main shaft, each of which controls one of the two basic movements.
  • a drive unit controlling the first basic movement and a drive unit controlling the second basic movement are arranged one after the other on a main shaft. This also keeps the load on the respective main shaft small.
  • the drive units connected to the first main shaft engage the bar arrangement at a first position based on a depth of the warp knitting machine and the drive units connected to the second main shaft engage the bar arrangement at a second position based on the depth of the warp knitting machine attack, the first position and the second position on different sides on a parallel to the main shafts and between the main shafts Central plane are arranged.
  • the "depth" of the warp knitting machine is a direction between the two needle contours. The drive units then attack the bar arrangement off-center between the needle contours.
  • first position and the second position are arranged symmetrically to the center plane. In any case, this means that the warp knitting machine can largely be built up from two almost or completely identical machine parts that are arranged back to back. This makes production easier and thus keeps costs low.
  • Each main shaft preferably has its own drive motor. It is then only necessary to synchronize the two drive motors, which can be achieved with motor controls. This keeps the wear on the gear assembly between the two main shafts low.
  • a schematically illustrated double-contour warp knitting machine 1 has a first needle contour 2 and a second needle contour 3.
  • the first needle contour 2 has knitting tools that form, for example, a first cover layer of a knitted spacer fabric
  • the second needle contour 3 has knitting tools that form the second cover layer of the knitted spacer fabric.
  • the first needle contour 2 has knitting needles 4 which are arranged on a knitting needle bar 5, guide needles 6 which are arranged on a needle bar 7, and comb sinkers 8 which are arranged on a comb bar 9. All knitting tools arranged in each case on one of the bars 5, 7, 9 carry out the same movements. These movements are controlled by a first main shaft 10, which are each connected to the respective bars 5, 7, 9 via drive units 11, 12, 13.
  • the drive units 11, 12, 13 are shown here only as lines. In reality, the drive units usually include several elements, for example eccentrics or connecting rods on the first main shaft 10, as well as levers, joints and tappets, as is known per se.
  • the second needle contour has knitting needles 14, which are arranged on a knitting needle bar 15, locating needles 16, which are arranged on a knitting needle bar 17, and comb sinkers 18, which are arranged on a comb bar 19.
  • the bars 15, 17, 19 are driven by a second main shaft 20 which is connected to the bars 15, 17, 19 via drive units 21, 22, 23, respectively.
  • the two needle contours 2, 3 can be designed mirror-symmetrically to one another and can then be arranged back to back to one another.
  • the guide needles 6, 16 and, accordingly, the guide needle bars 7, 17 are not moved.
  • the associated drive units 12, 22 can then be omitted here.
  • the warp knitting machine 1 also has a bar arrangement 24 with which threads are laid back and forth between the two needle contours 2, 3 can.
  • the bar arrangement 24 is therefore intended to produce the spacer threads in the knitted spacer fabric.
  • the bar arrangement 24 has a plurality of bars 25, each of which has laying or punching needles 26. Laying needles 26 are only shown on one bar in order not to impair the overview.
  • the movement of the bar assembly 24 is composed of two basic movements.
  • a first basic movement is brought about via a first lever arrangement 27 on which a second lever arrangement 28 is articulated, which controls the second basic movement.
  • the first basic movement causes the bar arrangement to be moved back and forth between the two needle contours 2, 3.
  • the second basic movement has the effect that the bars 25 can form stitches with their laying needles 26.
  • the second basic movement is therefore very much smaller and basically only serves to guide the guide needles 26 around the knitting needles 4 of the first needle contour 2 or around the knitting needles 14 of the second needle contour 3.
  • the first lever arrangement 27 is controlled by first drive units 29 from the first main shaft 10 and by second drive units 30 from the second main shaft 20. However, both drive units 29, 30 convey the same movement to the first lever arrangement 27.
  • the first drive units 29 and the second drive units 30 act on the first lever arrangement 27 at different positions over the working width or length of the warp knitting machine (perpendicular to the plane of the drawing in the drawing). This achieves two things: on the one hand, the first lever arrangement 27 can be driven by the two main shafts 10, 20 at a relatively large number of support points. On the other hand, the load from the first lever arrangement 27 is evenly distributed between the two main shafts 10, 20, so that no torque differences, or at most only slight differences, are caused by the movement of the first lever arrangement 27 act on the two main shafts 10, 20. The fluctuations in the rotational speeds of the two main shafts 10, 20 can accordingly be kept small and they can run at least approximately similar to one another.
  • the second basic movement with which the second lever arrangement 28 is controlled is also brought about by the two main shafts 10, 20 via first drive units 31 and second drive units 32. These two drive units also drive the second lever arrangement 28 in the same way and act at different positions over the length or working width of the warp knitting machine 1. In both lever arrangements 27, 28, this is illustrated by the fact that the two drive units 29, 30 and 31, 32 act in front of and behind the lever arrangements 27, 28, respectively.
  • Fig. 2 shows a simplified embodiment of the warp knitting machine 1 in which only one basic movement of the bar arrangement 24 is required. Accordingly, only one lever arrangement 28 is provided, which is controlled by the two drive units 31, 32, the first drive unit 31 being in operative connection with the first main shaft 10 and the second drive unit 32 with the second main shaft 20.
  • the two drive units 31, 32 act at different positions distributed over the length or working width of the warp knitting machine 1, which is illustrated by the fact that the first drive unit 31 acts behind the lever arrangement 28 and the second drive unit 32 acts in front of the lever arrangement 28. Again, both drive units 31, 32 of the bar arrangement 24 convey the same movement.
  • Fig. 3 shows a highly schematic plan view of the warp knitting machine 1 according to FIG Fig. 2 .
  • the cutting comb sinkers 9, 19 are not shown here.
  • the main shaft 10 is driven by a drive motor 33.
  • the main shaft 20 is driven by a drive motor 34.
  • the two drive motors 33, 34 are electrically synchronized with one another, which is shown by a line 35. However, it is also possible to mechanically synchronize the two drive motors 33, 34 with one another or to use a single motor which drives both drive shafts 10, 20 via a transmission.
  • the main shaft 10 has a plurality of sections 35, 36, 37 which are each coupled to one another via an intermediate shaft 38.
  • the intermediate shaft 38 is shown only between the sections 36 and 37 and is connected to these two sections 36, 37 via couplings 39, 40.
  • a similar intermediate shaft is also provided between the sections 35, 36 and between the drive motor 33 and the section 35.
  • the section 35 of the main shaft 10 is arranged in a gear box 41, the section 36 is arranged in a gear box 42 and the section 37 is arranged in a gear box 43.
  • the gear boxes can also be referred to as "crank boxes”.
  • Each section 35, 36, 37 of the first main shaft 10 is connected to drive units 11, 12 for driving the knitting needle bar 5 and for driving the laying needle bar 7.
  • the first section 35 and the second section 37 are connected to the main shaft 10 via first drive units 31 with the lever arrangement 28, which controls the bar arrangement 24.
  • the second main shaft has a first section 44 and a second section 45, the first section 44 in a first Crankcase 46 and the second section 45 is mounted in a second crankcase 47.
  • the first section 44 is connected to the knitting needle bar 15 via a drive unit 21.
  • the first section 44 is also in operative connection with the locating needle bar 17 via a drive unit 22.
  • the second section 45 is operatively connected to the knitting needle bar 15 via a drive unit 21 and to the knitting needle bar 17 via a drive unit 22.
  • both sections 44, 45 are operatively connected to the lever arrangement 28 of the bar arrangement 24 via second drive units 32, so that the bar arrangement 24 is driven simultaneously and in the same way via both main shafts 10.
  • the two sections 46, 45 and the motor 34 are connected via intermediate shafts, which are not shown in more detail for reasons of clarity.
  • the gear boxes 41, 42, 43 of the first main shaft 10 and the gear boxes 46, 47 of the second main shaft 20 are arranged offset from one another parallel to the longitudinal direction of the main shafts 10, 20. They can still overlap. But they can also be arranged with a gap to one another.
  • more than the illustrated three sections 35, 36, 37 of the first main shaft 10 and the two sections 44, 45 of the second main shaft 20 can be provided.
  • the minimum distance from one crankcase to the next can be 300 to 350 mm, for example.
  • the distance between the units 11, 12, 31 or 21, 22, 32 within a crankcase can for example be 140 to 150 mm.
  • two second drive units 32 are arranged between two first drive units 31.
  • the first drive units 31 and the second drive units 32 can also be arranged alternately.
  • the embodiment of the warp knitting machine in the Fig. 2 and 3 operates only with a basic movement of the bar assembly 24.
  • a drive unit 29, 31 controlling the first basic movement and a drive unit 30, 32 controlling the second basic movement can be arranged on a main shaft 10, 20, which of course is also possible the other way round.
  • These two drive units are then preferably arranged in a gear box. But it is also possible to distribute these drive units to several gear boxes.
  • the drive units 29, 31 connected to the first main shaft 10 and the drive units 30, 32 connected to the second main shaft 20 engage the lever arrangements 27, 28 on both sides of a central plane, the central plane being parallel to the main shafts 10, 20 and between runs along the main waves.

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

Claims (9)

  1. Métier à mailles jetées à double fonture (1) avec une première fonture d'aiguilles (2), qui comporte un premier système d'outils de tricotage avec plusieurs types d'outil de tricotage (4, 6, 8), qui sont respectivement en liaison d'entraînement par le biais de groupes d'entraînement (11, 12, 13) avec un premier arbre principal (10), une deuxième fonture d'aiguilles (3), qui comporte un deuxième système d'outils de tricotage avec plusieurs types d'outils de tricotage (14, 16, 18), qui sont respectivement en liaison d'entraînement par le biais de groupes d'entraînement (21, 22, 23) avec un deuxième arbre principal (20) et un système de platine (24), qui peut être déplacé entre la première fonture d'aiguilles (2) et la deuxième fonture d'aiguilles (3), sachant que le système de platine (24) se trouve en liaison fonctionnelle par le biais de premiers groupes d'entraînement (29, 31) avec le premier arbre principal (10) et par le biais de deuxièmes groupes d'entraînement (30, 32) avec le deuxième arbre principal (20), caractérisé en ce que les deuxièmes groupes d'entraînement (30, 32) déclenchent le même mouvement du système de platine (24) que les premiers groupes d'entraînement (29, 31).
  2. Métier à mailles jetées selon la revendication 1, caractérisé en ce qu'au moins un premier groupe d'entraînement (31) est disposé parallèlement aux arbres principaux (10, 20) dans un espace intermédiaire entre deux deuxièmes groupes d'entraînement (32).
  3. Métier à mailles jetées selon la revendication 1 ou 2, caractérisé en ce que chaque arbre principal (10, 20) comporte plusieurs sections (35, 36, 37 ; 44, 45), sachant que chaque section (35, 36, 37 ; 44, 45) est logée dans un boîtier de transmission (41, 42, 43 ; 46, 47), que les boîtiers de transmission (42, 43) voisins sont reliés entre eux par des arbres intermédiaires (38) et au moins deux boîtiers de transmission (35, 36, 37 ; 46, 47) sont disposés décalés l'un par rapport à l'autre parallèlement aux arbres principaux (10, 20).
  4. Métier à mailles jetées selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le système de platine (24) est entraîné avec un mouvement, qui résulte d'une superposition d'un premier mouvement de base et d'un deuxième mouvement de base, sachant que chaque mouvement de base est commandé respectivement par des groupes d'entraînement (29, 30 ; 31, 32), qui sont répartis sur les deux arbres principaux (10, 20).
  5. Métier à mailles jetées selon la revendication 4, caractérisé en ce qu'au moins une section de chaque arbre principal entraîne un groupe d'entraînement commandant le premier mouvement de base et un groupe d'entraînement commandant le deuxième mouvement de base.
  6. Métier à mailles jetées selon la revendication 4 ou 5, caractérisé en ce que sur un arbre principal sont successivement disposés un groupe d'entraînement commandant le premier mouvement de base et un groupe d'entraînement commandant le deuxième mouvement de base ou inversement.
  7. Métier à mailles jetées selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les groupes d'entraînement (29, 31) reliés au premier arbre principal (10) viennent en prise à une première position eu égard à une profondeur du métier à mailles jetées (1) sur le système de platine (24) et les groupes d'entraînement (30, 32) reliés au deuxième arbre principal (20) viennent en prise sur une deuxième position eu égard à la profondeur du métier à mailles jetées sur le système de platine (24), sachant que la première position et la deuxième position sont disposées sur différents côtés d'un plan médian passant parallèlement aux arbres principaux (10, 20) et entre les arbres principaux (10, 20).
  8. Métier à mailles jetées selon la revendication 7, caractérisé en ce que la première position et la deuxième position sont disposées de façon symétrique par rapport au plan médian.
  9. Métier à mailles jetées selon l'une quelconque des revendications 1 à 8, caractérisé en ce que chaque arbre principal (10, 20) comporte un moteur d'entraînement (33, 34) propre.
EP18158768.4A 2018-02-27 2018-02-27 Métier à mailles jetées à double fonture Active EP3363939B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18158768.4A EP3363939B1 (fr) 2018-02-27 2018-02-27 Métier à mailles jetées à double fonture
CN201810628489.5A CN110195292B (zh) 2018-02-27 2018-06-19 双针床经编机
TW108102742A TWI770347B (zh) 2018-02-27 2019-01-24 雙桿經編機
KR1020190022257A KR102174945B1 (ko) 2018-02-27 2019-02-26 이중 바 경편기
JP2019032250A JP6893618B2 (ja) 2018-02-27 2019-02-26 ダブルバー経編機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18158768.4A EP3363939B1 (fr) 2018-02-27 2018-02-27 Métier à mailles jetées à double fonture

Publications (3)

Publication Number Publication Date
EP3363939A2 EP3363939A2 (fr) 2018-08-22
EP3363939A3 EP3363939A3 (fr) 2018-09-19
EP3363939B1 true EP3363939B1 (fr) 2021-04-07

Family

ID=61386759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18158768.4A Active EP3363939B1 (fr) 2018-02-27 2018-02-27 Métier à mailles jetées à double fonture

Country Status (5)

Country Link
EP (1) EP3363939B1 (fr)
JP (1) JP6893618B2 (fr)
KR (1) KR102174945B1 (fr)
CN (1) CN110195292B (fr)
TW (1) TWI770347B (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR744835A (fr) * 1931-11-03 1933-04-27
DE4020550C1 (en) * 1990-06-28 1991-10-17 Karl Mayer Textilmaschinenfabrik Gmbh, 6053 Obertshausen, De Warp knitting machine with needle bed with guide bars - provides knitted goods with stable surface
DE4129723A1 (de) * 1991-09-06 1993-03-11 Liba Maschf Mit hakennadeln ausgestattete kettenwirkmaschine
JPH0633347A (ja) * 1992-07-13 1994-02-08 Nippon Mayer Kk 複列針床経編機における筬運動装置
DE4414053C2 (de) * 1994-04-21 1996-05-30 Malimo Maschinenbau Antriebssystem für Schwing- und Versatzantriebe an Kettenwirkmaschinen
DE29811470U1 (de) * 1998-06-26 1998-08-20 Mayer Textilmaschf Kettenwirkmaschine
DE19962143B4 (de) * 1999-12-22 2009-02-19 Cetex Institut für Textil- und Verarbeitungsmaschinen gemeinnützige GmbH Wirkmaschine, insbesondere Kettenwirkmaschine
JP3704607B2 (ja) * 2002-02-22 2005-10-12 日本マイヤー株式会社 ダブルラッシェル機における導糸筬の振り位置調整装置
ITBS20060060A1 (it) * 2006-03-16 2007-09-17 Santoni & C Spa Macchina tessile lineare
CN201065458Y (zh) * 2007-03-19 2008-05-28 王伟丰 装有压纱板的双针床经编机
DE202010014672U1 (de) * 2010-10-23 2010-12-30 Karl Mayer China LTD., Changzhou Kettenwirkmaschine
CN203320243U (zh) * 2013-05-14 2013-12-04 常州市武进五洋纺织机械有限公司 双针床经编机
EP3205760B1 (fr) * 2016-02-10 2018-04-04 Karl Mayer Textilmaschinenfabrik GmbH Métier à tricoter à chaîne double fonture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
JP2019148051A (ja) 2019-09-05
EP3363939A3 (fr) 2018-09-19
TWI770347B (zh) 2022-07-11
KR20190103042A (ko) 2019-09-04
KR102174945B1 (ko) 2020-11-05
TW201937028A (zh) 2019-09-16
CN110195292A (zh) 2019-09-03
EP3363939A2 (fr) 2018-08-22
JP6893618B2 (ja) 2021-06-23
CN110195292B (zh) 2021-07-23

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