EP2428602B1 - Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard - Google Patents

Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard Download PDF

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Publication number
EP2428602B1
EP2428602B1 EP10009428.3A EP10009428A EP2428602B1 EP 2428602 B1 EP2428602 B1 EP 2428602B1 EP 10009428 A EP10009428 A EP 10009428A EP 2428602 B1 EP2428602 B1 EP 2428602B1
Authority
EP
European Patent Office
Prior art keywords
guide
guide needle
needle assembly
driver device
bar
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.)
Not-in-force
Application number
EP10009428.3A
Other languages
German (de)
English (en)
Other versions
EP2428602A1 (fr
Inventor
Rüdiger Dr. Ballas
Matthias Zimmermann
Stefan Klump
Martin Rüttel
Hubertus Kremer
Jürgen GÜNTHER
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 Textilmaschinenfabrik GmbH
Johnson Matthey Catalysts Germany GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik GmbH
Johnson Matthey Catalysts Germany 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 Textilmaschinenfabrik GmbH, Johnson Matthey Catalysts Germany GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Priority to EP10009428.3A priority Critical patent/EP2428602B1/fr
Priority to CN201010587409.XA priority patent/CN102400281B/zh
Publication of EP2428602A1 publication Critical patent/EP2428602A1/fr
Application granted granted Critical
Publication of EP2428602B1 publication Critical patent/EP2428602B1/fr
Not-in-force 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
    • D04B27/32—Thread guide bar assemblies with independently-movable thread guides controlled by Jacquard mechanisms

Definitions

  • the invention relates to a guide needle assembly for a jacquard guide bar with a carrier, a plurality of guide needles, which are arranged on the carrier, each guide needle is provided with at least one offset drive, and a drive means which is electrically connected to the offset drives, wherein the drive means releasably with connected to the carrier.
  • the invention relates to a jacquard guide bar having a bar body and at least one such guide needle arrangement.
  • Such a guide needle arrangement for a jacquard guide bar and such a jacquard guide bar are made EP 2 192 218 A1 known.
  • the guide needles can be used individually in a guide bar.
  • the guide bar has a number of slots for this purpose on, which serve to position the guide needles with their Verstellantrieben.
  • Each guide needle has a plurality of electrical contacts, which are formed in the form of pins.
  • the pins of a group of guide needles can be connected to a common plug having a socket for each pin. With the help of the plug, the group of guide needles can be attached to the guide bar at the same time.
  • Another guide needle arrangement for a jacquard guide bar and such a jacquard guide bar are, for example DE 196 13 385 C2 known.
  • several guide needles are attached to a holder.
  • the holder is attached to a segment, which in turn is fixed to the body of the bar.
  • the segment points Contacts which are formed in the form of male or female terminal contacts that can come into contact with wires of a bus line, which is arranged on the bar body. The contact is made when the segment is attached to the body of the bar.
  • Jacquard guide bars are particularly suitable for producing knitwear with patterns, even if these patterns should have a more complicated structure.
  • the guide needles can be controlled individually by the offset drives, so that the movement of the guide needles produced by the offset drives is superimposed on the offset movement of the bar body. This results in additional muster possibilities.
  • the invention has for its object to keep repair costs low.
  • each offset drive has at least one spring contact against which the driver device bears with a contact surface.
  • the guide needles are arranged individually in this case in the carrier and can accordingly be removed individually from the carrier and used there again.
  • the spring contacts cause the electrical connection of an offset drive with a sufficient force applied to the driver device without causing destruction or damage to other parts, such as in a male or female contact. It is therefore possible to repeatedly solve and produce an electrical contact between the driver device and the offset drive. This keeps the repair costs relatively low.
  • At least one guide needle a mechanical abutment is provided in which the driver device is pivotable. It can thereby be achieved that the driver device is moved virtually perpendicular to the spring contacts, so that the springs of the spring contacts are acted against their effective direction. A lateral displacement of the driver device relative to the contact is avoided. This makes it possible to repeatedly produce or release electrical contacts without the risk of damage.
  • the driver device has an attachment to the carrier. This can achieve two effects. On the one hand, the driver device is fixed in a position on the carrier in which its contact surfaces lie in the correct position relative to spring contacts of the offset drives. On the other hand, the driver device can be used to additionally hold the guide needles on the carrier. Once the driver device is mounted, the guide needles can not be removed from the carrier.
  • similar contacts of all guide needles are arranged along a straight line. This facilitates the interchangeability of guide needles or units having the guide needles and offset drives. It is thus easy to make sure that you do not need different driver devices for different guide needles.
  • the driver device may be relatively simple in terms of their contact surfaces.
  • each guide needle has at least two offset drives, wherein each offset drive has its own spring contact and the spring contacts of the offset drives in the width direction and in the longitudinal direction of the guide needles are offset from one another.
  • the offset drives of a guide needle preferably have a common ground contact.
  • the offset drives a guide needle thus have a common ground and thus a common ground contact. This keeps the effort for the mechanical and electrical construction of the guide needle assembly low.
  • the spring contacts each have resilient levers.
  • Springing levers allow a relatively large travel with little mechanical effort.
  • a resilient lever may have a U- or V-shape, wherein a free end is electrically fixed to the offset drive, while the other free end forms a spring contact, which bears against the driver device.
  • the guide needles are arranged in holders for offset drives, which in particular have opening windows in the offset direction, in which the spring contacts are arranged.
  • the holders for offset drives may be formed at least partially from a plastic, so that they can be manufactured by means of an injection molding process. In such a plastic part can then easily accommodate the spring contacts.
  • the spring contacts are arranged offset from each other in the longitudinal direction of the guide needle. This results even in closely juxtaposed guide needles sufficient for electrical insulation distance between the spring contacts adjacent guide needles, so that short circuits are not to be feared.
  • the object is achieved in a jacquard guide bar of the type mentioned in that the guide needle assembly is formed as described above.
  • the body of the body is at least partially electrically conductive and the driver device is electrically conductively applied to a conductive region of the body of the body.
  • the body of the bar itself as a conductor, for example as a ground conductor. In simple cases, this can be realized, for example, in that the body of the bar is formed of a carbon-fiber-reinforced plastic or a metal. If the bar has a body made of an electrically non-conductive material, you can make them conductive that, for example, ladder, especially flat conductor, applied to the body.
  • the bar body forms a bus line.
  • control commands for the driver devices can be transmitted serially, so that you no longer need a large number of individual wires of a line, but basically manages with two or three lines. The addressing of the individual guide needles then takes place in that each command is preceded by an address.
  • a guide needle assembly 1 after Fig. 1 has a carrier 2, on which a plurality of guide needles 3 are arranged in the desired pitch.
  • Each guide needle 3 is arranged in a holder 4, for example, inserted into an opening at the top of the holder 4.
  • Each needle holder 4 has two offset drives 5, of which in Fig. 1 only one offset drive of an outer holder 4 can be seen.
  • a similar offset drive is arranged on the opposite side of the holder 4.
  • the offset drives 5 are formed in a conventional manner as piezo-ceramics, which cause an offset of the holder 4 when subjected to a predetermined voltage. This offset causes the guide needle to be moved in an offset direction.
  • the offset direction is the direction along which all Guide needles 3 a guide needle assembly 1 are arranged one behind the other.
  • the drive means 6 has in the present case a circuit substrate 7, for example, a board made of an epoxy resin, on which one or more electrical components 8, such as a microprocessor , are arranged. Lines 9 on the circuit board then provide electrical paths available, can be passed through the electrical signals from the electrical components to the individual offset drives 5.
  • the driver device 6 can be controlled via cable 10, so that the individual guide needles 3 can be moved in the desired manner.
  • Fig. 2 represents a slightly modified embodiment of a guide needle assembly 1 on a jacquard guide bar 11.
  • the jacquard guide bar 11 has a bar body 12, with a profile 13, in which the carrier 2 is mounted.
  • the carrier 2 is then by means not shown, for example, screws through an opening 14 (FIG. Fig. 1 ) can be guided, attached to the bar body 12.
  • the bar body 12 has two conductive areas 15, 16.
  • the conductive region 16 forms a ground line. If the ingot body 12 is electrically conductive as a whole, then the conductive region 16 can also be replaced by the ingot body 12 as a whole.
  • the conductive area 15 then only has to be electrically insulated from the body of the bar 12.
  • the conductive region 15 is designed as a bus line. Commands for controlling the offset drives can be transmitted serially via a bus line. For this purpose, it is only necessary that each command is also connected to an address indicating which needle assembly 1 is to be controlled on the body of the body 12 and which needle 3 is to be moved in this guide needle assembly.
  • the carrier 2 has a profile 17 into which a tip 18 on the holder 4 can be inserted. Furthermore, the carrier 2 has a projection 19 into which slots 20 are milled in accordance with the division into which a lug 21 engages. The grooves for the lugs 21 and 22 are consistent and are preferably made in the same operation, for example by milling.
  • An eccentric pin 23 is arranged between the projection 19 and the holder 4 and presses the holder 4 with its tip 18 in the profile 17 of the carrier second
  • Each holder 4 has a head 24.
  • the head 24 has at the end, which faces the guide needle 3, a hook-like extension 25, in which the circuit carrier 7 of the driver device 6 is inserted. If the circuit carrier 7 is inserted in this extension 25, then the circuit carrier 7 can be pivoted relative to the carrier 2. This is symbolized by a double arrow 26.
  • each offset drive 5 each have a normally open contact 27, 28 and for both offset drives together a ground contact 29 is provided.
  • the two working contacts 27, 28 are offset relative to each other in the width direction as well as in the longitudinal direction of the guide needles 3 and the holder 4, i. they have a comparatively large distance from each other.
  • All contacts 27-29 are designed as spring contacts. So they are designed resiliently yielding. For this purpose, as shown in the Fig. 2 to 4 can be seen, the normally open contact 27, a spring lever 30 and the working contact 28, a spring lever 31. A corresponding spring lever for the ground contact 29 is not shown.
  • the spring levers are arranged in windows 32 which open in the head 24 of the needle holder in the offset direction.
  • the spring lever 30, 31 are offset in the longitudinal direction of the guide needle 3 relative to each other. Since the guide needles 3 With respect to each other, this results in that all spring contacts 30 are located in a region which is closer to the guide needle 3, and all spring contacts 31 are in an area which is closer to the flag 21. This results even when the guide needles are closely adjacent, sufficient for electrical insulation distance between spring contacts 30, 31 adjacent guide needles. 3
  • the spring levers 30 have a V-shape ( 3 and 4 ) or a U-shape ( Fig. 2 ). In all cases, they allow a relatively large spring travel and ensure at the same time that their normally open contacts 27, 28 and the ground contact 29 reliably abut against contact surfaces on the circuit substrate 7.
  • the screw 34 can simultaneously make electrical contact with the conductive region 16.
  • a contact pin 35 is provided which is also resilient. The contact pin 35 then establishes an electrical connection between the driver 6 and the conductive region 15 on the body of the body 12. With a screw 36, an electrically conductive connection to the body bar 12 is made.
  • Similar contacts of the offset drives 5 are all on a line that extends in the offset direction. This can be in Fig. 1 detect by contact eyes 37 for the ground contacts 29, 38 for the normally open contacts 27 and 39 for the normally open contacts 28. Each contact eye 37-39 is opposite to a contact surface.
  • the guide needle assembly 1 can then be replaced by a new and intact needle assembly 1.
  • the defective guide needle arrangement can be examined in a workshop. After removing the driver device 6, the driver device 6 can be checked for proper functioning. After loosening the eccentric pin 23, each holder 4 can be removed individually from the carrier 2. For example, if only one offset drive of a holder 4 is defective, then it is sufficient to replace this holder 4. The remaining holders with their offset drives 5 can remain in the carrier 2.
  • the driver device 6 can again be attached to the extension 25 and pivoted there. With the system of the driver device 6 on the head 24 of all holders 4 then the electrical contact between the driver device 6 and the offset drives 5 is made. It is not necessary that the driver device actually abuts in identical manner on all heads 24, because the spring contacts allow 27-29 a certain balance.
  • stops 40 are provided on the carrier 2, which limit the movements of the guide needles 3 in the direction of displacement in each case.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Measuring Leads Or Probes (AREA)

Claims (12)

  1. Agencement d'aiguilles à passettes (1) pour une barre à passettes Jacquard (11) avec un support (2), avec plusieurs aiguilles à passettes (3) qui sont agencées sur le support (2), chaque aiguille (3) étant munie d'au moins un dispositif d'entraînement en décalage (5), et avec un dispositif d'attaque (6) qui est relié électriquement aux dispositifs d'entraînement en décalage (5), le dispositif d'attaque (6) étant relié de manière amovible au support (2), caractérisé en ce que chaque dispositif d'entraînement en décalage (5) comporte au moins un contact à ressort (27-29) contre lequel le dispositif d'attaque (6) s'appuie avec une surface de contact (33).
  2. Agencement d'aiguilles à passettes selon la revendication 1, caractérisé en ce qu'il est prévu pour au moins une aiguille à passettes (3) une butée mécanique (25) dans laquelle le dispositif d'attaque (6) peut pivoter.
  3. Agencement d'aiguilles à passettes selon la revendication 1 ou 2, caractérisé en ce que le dispositif d'attaque (6) comporte une fixation (34) sur le support (2).
  4. Agencement d'aiguilles à passettes selon l'une des revendications 1 à 3, caractérisé en ce que des contacts de même type (27-29) de toutes les aiguilles à passettes (3) sont agencés le long d'une ligne droite.
  5. Agencement d'aiguilles à passettes selon l'une des revendications 1 à 4, caractérisé en ce que chaque aiguille à passettes (3) comporte au moins deux dispositifs d'entraînement en décalage (5), chaque dispositif d'entraînement en décalage (5) comportant son propre contact à ressort et les contacts à ressort des dispositifs d'entraînement en décalage étant décalés les uns par rapport aux autres dans le sens de la largeur et dans le sens de la longueur des aiguilles à passettes (3).
  6. Agencement d'aiguilles à passettes selon la revendication 5, caractérisé en ce que les dispositifs d'entraînement en décalage (5) d'une aiguille à passettes (3) comportent un contact de masse commun (29).
  7. Agencement d'aiguilles à passettes selon l'une des revendications 1 à 6, caractérisé en ce que les contacts à ressort comportent à chaque fois des leviers faisant ressort (30, 31).
  8. Agencement d'aiguilles à passettes selon l'une des revendications 1 à 7, caractérisé en ce que les aiguilles à passettes (3) sont agencées dans des dispositifs de retenue (4) pour dispositifs d'entraînement en décalage qui comportent des fenêtres (32) qui s'ouvrent notamment dans la direction de décalage et dans lesquelles sont agencés les contacts à ressort (30, 31).
  9. Agencement d'aiguilles à passettes selon l'une des revendications 1 à 8, caractérisé en ce que les contacts à ressort (30, 31) sont agencés décalés les uns par rapport aux autres dans le sens de la longueur des aiguilles à passettes (3).
  10. Barre à passettes Jacquard (11) avec un corps de barre (12) et avec au moins un agencement d'aiguilles à passettes (1) selon l'une des revendications 1 à 9.
  11. Barre à passettes Jacquard selon la revendication 10, caractérisée en ce que le corps de barre (12) est conçu au moins en partie électriquement conducteur et en ce que le dispositif d'attaque (6) s'appuie de façon électriquement conductrice contre une zone conductrice (15, 16) du corps de barre (12).
  12. Barre à passettes Jacquard selon la revendication 10 ou 11, caractérisée en ce que le corps de barre constitue une ligne omnibus.
EP10009428.3A 2010-09-10 2010-09-10 Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard Not-in-force EP2428602B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP10009428.3A EP2428602B1 (fr) 2010-09-10 2010-09-10 Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard
CN201010587409.XA CN102400281B (zh) 2010-09-10 2010-12-10 用于一种提花梳栉的梳栉针装置和提花梳栉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10009428.3A EP2428602B1 (fr) 2010-09-10 2010-09-10 Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard

Publications (2)

Publication Number Publication Date
EP2428602A1 EP2428602A1 (fr) 2012-03-14
EP2428602B1 true EP2428602B1 (fr) 2015-08-26

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EP10009428.3A Not-in-force EP2428602B1 (fr) 2010-09-10 2010-09-10 Agencement d'aiguille d'alimentation pour une barre d'alimentation à jacquard et barre d'alimentation à jacquard

Country Status (2)

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EP (1) EP2428602B1 (fr)
CN (1) CN102400281B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108677372A (zh) * 2018-05-30 2018-10-19 江南大学 一种经编机用贾卡电子提花断电续编控制方法
DE202021105951U1 (de) 2021-10-29 2021-11-08 Karl Mayer Stoll R&D Gmbh Piezosegmentanordnung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108251956B (zh) * 2018-02-11 2023-12-12 江苏明朗星新能源科技发展有限公司 具有导电接触件的压电贾卡安装组件
CN108978022B (zh) * 2018-09-17 2019-11-15 武汉纺织大学 一种多挡位贾卡导纱针系统
CN109576894A (zh) * 2018-12-06 2019-04-05 福建宏宇电子科技有限公司 一种移除连接绳的贾卡提花装置
CN112877896B (zh) * 2020-12-31 2022-10-25 福建宏宇电子科技有限公司 一种提花装置及经编机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19613385C2 (de) * 1996-04-03 2001-08-23 Liba Maschf Kettenwirkmaschine mit mindestens einer Busleitungen aufweisenden Legebarre
DE19651053C1 (de) * 1996-12-09 1998-06-10 Mayer Textilmaschf Kettenwirkmaschine mit Jacquard-Legebarre
EP2796814B1 (fr) * 2007-09-26 2017-01-25 BSH Hausgeräte GmbH Appareil de refroidissement doté d'un réceptacle pour un module électronique
IT1391730B1 (it) * 2008-11-26 2012-01-27 Santoni & C Spa Dispositivo di connessione per attuatori piezoelettrici di barre jacquard di macchine tessili
CN101603242B (zh) * 2009-07-23 2011-04-06 王占洪 用于贾卡经编机的贾卡针块组件

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108677372A (zh) * 2018-05-30 2018-10-19 江南大学 一种经编机用贾卡电子提花断电续编控制方法
DE202021105951U1 (de) 2021-10-29 2021-11-08 Karl Mayer Stoll R&D Gmbh Piezosegmentanordnung

Also Published As

Publication number Publication date
CN102400281B (zh) 2015-04-01
CN102400281A (zh) 2012-04-04
EP2428602A1 (fr) 2012-03-14

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