EP2746440B1 - Module d'outil pour machine textile - Google Patents

Module d'outil pour machine textile Download PDF

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Publication number
EP2746440B1
EP2746440B1 EP13198166.4A EP13198166A EP2746440B1 EP 2746440 B1 EP2746440 B1 EP 2746440B1 EP 13198166 A EP13198166 A EP 13198166A EP 2746440 B1 EP2746440 B1 EP 2746440B1
Authority
EP
European Patent Office
Prior art keywords
groove
tool module
module according
contact surfaces
tool
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
EP13198166.4A
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German (de)
English (en)
Other versions
EP2746440A1 (fr
Inventor
Mario Gläsel
Michael Schink
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.)
Groz Beckert KG
Original Assignee
Groz Beckert KG
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Application filed by Groz Beckert KG filed Critical Groz Beckert KG
Publication of EP2746440A1 publication Critical patent/EP2746440A1/fr
Application granted granted Critical
Publication of EP2746440B1 publication Critical patent/EP2746440B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • 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
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D05C15/20—Arrangements or devices, e.g. needles, for inserting loops; Driving mechanisms therefor
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
    • D05C15/04—Tufting
    • D05C15/08—Tufting machines
    • D05C15/16—Arrangements or devices for manipulating threads
    • D05C15/22—Loop-catching arrangements, e.g. loopers; Driving mechanisms therefor

Definitions

  • the invention relates to a tool module for a textile machine, in particular for attachment to a bar of a textile machine, such as a tufting machine or a machine.
  • the bar of a tufting machine or a knitting machine carries a large number of tools, such as grippers, needles, hole needles, knives, Rietfinger or the like, which are grouped together in modules.
  • Each module comprises a base body in or to which a number of tools are attached.
  • modules are connected to the bar.
  • the shows DE 103 92 189 T5 Tool modules for attachment to a bar said tool modules having a first, horizontally oriented abutment surface formed on a nose away from a back rib on the bottom.
  • a second abutment surface divided by the rib is provided, which is vertically oriented and spaced from the first abutment surface.
  • US Pat. No. 3,857,345 is a tufting machine with a double eccentric known.
  • the eccentrically mounted eccentric lever is coupled via an adjusting device for adjusting the bottom dead center pivotally connected to a push rod.
  • a bar with needles is arranged at the opposite end of the push rod.
  • the adjusting device includes a pivot pin which is slidably received in slots on the opposite cheeks of a fork part.
  • Each cheek is associated with an adjustment plate with a hole through which the pivot pin protrudes.
  • the adjusting plates each have several grooves. By selecting a groove and attaching the adjusting plate on the associated rib on the fork part, the position of the pivot pin along the slots and thus the bottom dead center of the stroke movement of the bar is set.
  • the proposed design of the groove facilitates precise production of the modules.
  • the special arrangement of the groove of the flatness of the adjoining the groove contact surface benefits. This is particularly the case when the areal smaller of the two contact surfaces separated by the groove is defined as that contact surface which extends into the groove in a straight extension. This is especially true in the manufacture of modular bodies made of castable metals, such as aluminum, zinc or their alloys, as well as plastic or a plastic composite material.
  • the groove surrounds the larger of the contact surfaces at least on two sides. With regard to the cooling and shrinkage behavior of the materials used, this can increase the flatness of the contact surface. In a solution according to the invention it is provided that at least one of the contact surfaces is completely covered by the groove.
  • At least one of the contact surfaces is preferably a plane surface.
  • the contact surface can be formed continuous or divided.
  • the groove running along the edge of the contact surface can be branched and have branches which divide the plane surface into partial surfaces.
  • the partial surfaces can be connected to one another or completely divided by the branch of the groove.
  • the contact surface can also be a curved surface, For example, a cylindrical surface, a frusto-conical surface or the like.
  • the cone angle is preferably small, for example less than 5 °.
  • the module body is preferably a cast body, for example an injection-molded body, for example made of a metal.
  • the groove may have a rectangular, square or trapezoidal cross-section. The corners of this cross section can be rounded. Such cross-sections result in a groove with a plane, i. not rounded bottom. Preferably, this flat bottom is arranged parallel to at least one of the contact surfaces. This results in a clear undercut-free construction and releases the contact surfaces to such an extent that the module body is subject to minimal distortion during cooling.
  • the groove may have two opposite flanks. These are preferably oriented parallel to each other or they form an acute angle with each other, which opens away from the groove. This results in a undercut-free structure, which easily allows the molding of the module body even in very simple forms with little or no moving parts.
  • the module body can be seamlessly formed in one piece, so that the contact surfaces are formed on one and the same body. But it is also possible to construct the module body in two or more parts by first a base body is provided, in which an arrangement element is inserted.
  • the locating element may be cast into the body or otherwise secured therein. While the one contact surface formed on the body is, the other contact surface is preferably formed on the arrangement element.
  • the arrangement element may be a pin, a pin with or without a head, a cuboid body or another body. It can be placed in the mold for the module body and thus joined to the molded body during casting.
  • FIG. 1 is a Barre 10 illustrates how it occurs in textile machines, such as tufting machines or knitting machines.
  • the bar of a tufting machine is illustrated here.
  • the following explanations apply accordingly to knitting machines or other textile machines, for example stitchbonding machines or the like, which have moving bars with which tools 11 are moved together.
  • On the Barre 10 in FIG. 1 sit as tools 11 loop grippers 12, 13, 14, which are held on a common module body 15 and form a tool module 16 with this.
  • the tool module 16 can hold one, several or even many tools 12 to 14, depending on fineness and work task.
  • the tools 12 to 14 are formed in a conventional manner. It can, as shown, to gripper, but also any other tools such as hole needles, slider, needle, Rietfinger or the like act.
  • the module body 15 is adapted to come with positioning of the Barre 10 in matching facility. Positioning surfaces, for example, a front plane surface 17 or cylindrical wall surfaces 18, 19, 20 ( FIG. 3 ) of bores mounted in the bar 10. Other surfaces of the bar 10, such as its upper narrow side 21, may also serve as locating surfaces.
  • FIGS. 2 and 3 can be seen, the module body 15 on a flat contact surface 22, which is intended to bear against the flat surface 17.
  • the first planar contact surface 22 is formed on the back of the module body 15 facing the bar 10 in order to come into contact with the planar surface 17.
  • the module body 15 has on its rear side further contact surfaces. These may be formed, for example, on a rectangular projection 23 and / or on one or more pins 24, 25 projecting from the rear side.
  • a contact surface 26 as a flat surface on an in FIG. 2 masked, but out FIG. 3 be formed at an angle, for example, a right angle to the contact surface 22 standing underside.
  • the pins 24 and / or 25 may on their cylindrical or frustoconical shell bearing surfaces 27, 28 have.
  • the tool module 16 is characterized in that at least two contact surfaces 22, 26 and / or 22, 27 and / or 22, 28 are separated from each other by a groove 29, 30, 31 ( FIG. 2 ).
  • the respective groove 28 to 31 is preferably formed so that it completely separates the respective contact surface pair from each other.
  • the module body 15 consists for example of a metal, such as zinc die-casting. However, it may also be manufactured as an aluminum injection molding, plastic injection molding, plastic composite material or another material. Preferably, it is produced in a corresponding casting process. However, other manufacturing processes that can not be assigned to the primary molds but are also to be assigned to the forming or machining are also suitable.
  • the groove 29 to 31 By means of the groove 29 to 31, incorrect positioning is avoided and it is ensured that the contact surface 22 comes into full-surface secure contact with the plane surface 17. It is also ensured that the tool modules 16 can be easily detached from the bar 10, if a fixing screw from the in FIG. 1 shown fastening opening 32 is turned out.
  • FIG. 4 illustrates the tool module 16 accordingly FIG. 3 again omitting the hatching for further clarification and explanation.
  • the tool 14 is, as can be seen embedded in the module body 15, for example, cast.
  • the grooves 29, 30 (31) are rectangular grooves in this case.
  • a planar groove bottom 33 is adjoined by an also first planar flank 34 and opposite a further planar flank 35.
  • the smaller contact surface 26 passes without offset and straight into the first flank 34 and thus extends into the groove 29.
  • the second, larger contact surface 22 with the adjoining flank 35 encloses an angle, for example a right angle or a slightly larger slightly obtuse angle.
  • the groove 29 from the rear view perpendicular au the flat contact surface 22) undercuts.
  • the groove 29 can be very easily produced by casting, without moving moldings would be necessary.
  • the contact surface 27 extends into the groove 30 and forms in the groove 30, a pin-side flank 36 of the groove 30.
  • the annular edge 36 opposite a further annular edge 37 is arranged.
  • Between the flanks 36, 37 a preferably flat bottom 38 is arranged.
  • the bottom 38 may be oriented parallel to the abutment surface 22. It can also be frusto-conical and, for example, rise towards the pin 24.
  • a minimal resilient compliance of the pin 24 can be effected to, in particular when using two pins 24, 25, to prevent jamming of the tool module 16 to the bar 10 and on the other hand, a play-free fit of the contact surface 27, 28 in corresponding positioning holes of the bar 10 to enable.
  • FIG. 4 the cross sections of the grooves 29, 30 are shown as almost square rectangles.
  • the cross sections may differ from this form, as already mentioned.
  • the module body 15 is according to FIG. 4 integrally formed seamlessly from one and the same material. However, it can also be composed of several parts, as it is FIG. 5 shows. While maintaining the geometry of the contact surfaces 22, 26, 27 and the grooves 39, 30 (31), the pin 24 (25) may be formed as a separate arrangement element 39. It may be, for example, a steel pin or the like, which is encapsulated with the module body 15.
  • the pin can also be connected in some other way to the module body 15, for example by pressing, screwing, gluing, welding, soldering or the like.
  • a modified embodiment shows FIG. 6 , This differs in particular by the formation of the arrangement element 39 of the embodiment FIG. 5 with which it otherwise agrees, which is why the previous description, including all the modifications explained applies accordingly.
  • the arrangement element 39 has a head 40, on which the contact surface 27 is formed. From the cylindrical head 27, a shaft 40 extends, which projects into the module body 15 and is anchored in this.
  • the groove 30 is now radially open, while it was axially open in the embodiments described above. It behind the head 40 there is an undercut.
  • the contact surface 22 extends into the groove 30.
  • FIG. 7 illustrates another embodiment based on the embodiment of FIG. 4 ,
  • the groove 30 is formed here particularly flat. Otherwise, the previous description applies accordingly.
  • the pin 24 both in accordance with FIG. 4 one-piece component of the module body 15 or alternatively also based on FIG. 5 can be used as a separate element in these. In addition, the pin 24 can be stepped, as it FIG. 6 suggests.
  • FIG. 8 illustrates that the groove 30, regardless of its cross-sectional shape does not necessarily have to be formed as a closed ring, but may also be branched. It branches off from the groove 30 at least one branch 41, de may extend to a side surface 42 of the module body 15. Thus, the branch 41 cuts through the contact surface 22 at least on one side of the pin 24. The contact surface 22 is thus still partially coherent. However, further branches can branch off from the groove 30 and lead to the central attachment opening 43 (FIG. FIG. 2 ) or extending to the other groove 31 and / or the groove 29. The contact surface 22 can thus be divided partially or simply or even several times. The latter leads to increased relaxation of the contact surface 2 during cooling of the module body 15 from its casting heat.
  • FIG. 9 illustrates a module body 45 with a T-shaped projection 46 which fits in corresponding recesses of a bar (not shown). At one in FIG. 9 facing away from the viewer side 47 one or more tools can be attached.
  • the T-shaped projection 46 of the module body 45 may at an angle, for example.
  • a right angle to each other stationary contact surfaces 47, 48 and 49, 50 which are adjacent to each other in pairs and each separated by a groove 51, 52.
  • These grooves are, for example, seen parallel to the respective grooves 51, 52, undercuts.
  • none of the contact surfaces 47 to 50 must extend into the respective groove 51, 52, wherein it is also possible for at least one of the contact surfaces 47, 48 to extend in a straight extension into the groove 51.
  • bearing surfaces 53, 54 may be provided, which preferably lie in a common plane.
  • the contact surface 53 is separated from the contact surface 47 and the contact surface 48 by a groove 55 and spaced.
  • a groove 56 separates and spaces the abutment surface 54 from the abutment surfaces 49, 50.
  • the abutment surfaces 47, 48 extend into the groove 55 in a straight extension.
  • the contact surfaces 49, 50 extend into the groove 56 in a straight extension.
  • a corresponding branch 57 of the groove 55 can subdivide the abutment surface 53, so that two, for example, rectangular or square partial surfaces 53a, 53b are formed.
  • a tool module 16 comprises a module body 15 with at least two contact surfaces 22, 27. These are separated by a groove 30, one of which extends into the groove 30 inside. Through this groove a firm and accurate fit of the tool module 16 is ensured at each bar. Yarn filaments or the finest dirt particles, burrs or wear on the receptacles can be absorbed by the groove. In addition, a simple and trouble-free installation is ensured.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Knitting Machines (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Claims (14)

  1. Module d'outil (16) pour une machine textile, en particulier à fixer sur une barre (10) d'une machine textile, comprenant un corps de module (15) sur lequel est maintenu ou fixable au moins un outil (14) et qui comporte au moins deux surfaces d'appui (22, 27, 53, 54) qui sont disposées selon un angle l'une par rapport à l'autre et qui sont séparées l'une de l'autre par une rainure (29, 30, 31, 55, 56), caractérisé en ce qu'au moins une des surfaces d'appui (22, 27) est entièrement entourée par la rainure (30, 31) ou en ce que la rainure (55, 56) entoure la plus grande des surfaces d'appui (53, 54) au moins sur deux côtés.
  2. Module d'outil selon la revendication 1, caractérisé en ce qu'au moins une des surfaces d'appui (22, 27) est une surface plane.
  3. Module d'outil selon une des revendications précédentes, caractérisé en ce qu'au moins une des surfaces d'appui (22, 27) est une surface bombée.
  4. Module d'outil selon la revendication 3, caractérisé en ce que la surface d'appui bombée (27) est une surface cylindrique ou une surface tronconique.
  5. Module d'outil selon une des revendications précédentes, caractérisé en ce que le corps de module (15) est un corps moulé.
  6. Module d'outil selon une des revendications précédentes, caractérisé en ce que le corps de module
  7. Module d'outil selon une des revendications précédentes, caractérisé en ce que la rainure (30, 31, 55, 56) présent un fond plat (33).
  8. Module d'outil selon la revendication 7, caractérisé en ce que le fond (33) est disposé parallèlement à une des surfaces d'appui (22).
  9. Module d'outil selon la revendication 7, caractérisé en ce que le fond (33) est disposé parallèlement à la surface d'appui plane (22).
  10. Module d'outil selon une des revendications précédentes, caractérisé en ce que la rainure (29) comporte deux flancs (34, 35) en vis-à-vis parallèles entre eux.
  11. Module d'outil selon une des revendications précédentes, caractérisé en ce que la rainure (29) présente une largeur qui est au plus égale à sa profondeur.
  12. Module d'outil selon une des revendications précédentes, caractérisé en ce que, vue parallèlement à une ouverture de fixation (43), la rainure (29) est réalisée sans contre-dépouille.
  13. Module d'outil selon une des revendications précédentes, caractérisé en ce que le corps de module (15) est conçu d'un seul tenant sans soudure.
  14. Module d'outil selon une des revendications précédentes, caractérisé en ce que le corps de module (15) comporte un corps de base sur lequel est réalisée au moins une des surfaces d'appui (22, 27), et en ce que dans le corps de base est inséré un élément d'agencement (39) sur lequel est réalisée une autre des surfaces d'appui (22, 27).
EP13198166.4A 2012-12-18 2013-12-18 Module d'outil pour machine textile Active EP2746440B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012112553.8A DE102012112553B3 (de) 2012-12-18 2012-12-18 Werkzeugmodul für Textilmaschine

Publications (2)

Publication Number Publication Date
EP2746440A1 EP2746440A1 (fr) 2014-06-25
EP2746440B1 true EP2746440B1 (fr) 2016-03-23

Family

ID=49911229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13198166.4A Active EP2746440B1 (fr) 2012-12-18 2013-12-18 Module d'outil pour machine textile

Country Status (4)

Country Link
US (2) US9080270B2 (fr)
EP (1) EP2746440B1 (fr)
CN (1) CN103866504B (fr)
DE (1) DE102012112553B3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019016134A1 (fr) 2017-07-17 2019-01-24 Groz-Beckert Kommanditgesellschaft Module d'outils pour machines textiles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012112553B3 (de) * 2012-12-18 2014-02-13 Groz-Beckert Kg Werkzeugmodul für Textilmaschine
US11585029B2 (en) 2021-02-16 2023-02-21 Card-Monroe Corp. Tufting maching and method of tufting

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757709A (en) * 1972-04-27 1973-09-11 B & J Machinery Co Knife block for a tufting machine
GB1417130A (en) * 1972-12-30 1975-12-10 Singer Co Tufting machines
US4817541A (en) * 1988-04-04 1989-04-04 Tuftco Corporation Knife holder clamp apparatus for cut pile tufting machine
US5295450A (en) * 1992-05-01 1994-03-22 Card-Monroe Corp. Tufting machine with self-aligning gauging modules
GB9306924D0 (en) * 1993-04-02 1993-05-26 Cobble Blackburn Ltd Improvements in or relating to tufting machines
GB2277325A (en) 1993-04-23 1994-10-26 Unilever Plc Detergent bar
DE29506953U1 (de) * 1995-04-28 1995-08-10 Zimmermann Jos Gmbh & Co Kg Barre mit Modulen für Tuftingwerkzeuge (III)
DE29506820U1 (de) * 1995-04-28 1995-07-06 Zimmermann Jos Gmbh & Co Kg Barre mit Modulen für Tuftingwerkzeuge (I)
DE29520281U1 (de) * 1995-12-21 1996-03-14 Zimmermann Jos Gmbh & Co Kg Modul und Barre für Tuftingwerkzeuge
DE19928885C1 (de) * 1999-06-24 2001-03-29 Groz Beckert Kg Modul mit Adapter für unterschiedliche Barren
GB9924840D0 (en) * 1999-10-20 1999-12-22 Cobble Blackburn Ltd Cut pile tufting machine cutting elements
US6672230B2 (en) * 2002-01-03 2004-01-06 Tuftco Corporation Modular block assembly for tufting machine
EP1836337A1 (fr) * 2005-01-13 2007-09-26 Card Monroe Corporation Modules de crochets interchangeables
US7398739B2 (en) * 2005-01-13 2008-07-15 Card-Monroe Corp. Replaceable hook module
EP1837430A1 (fr) * 2006-03-22 2007-09-26 Groz-Beckert KG Support d'aiguille pour une machine à coudre
DE102012112553B3 (de) * 2012-12-18 2014-02-13 Groz-Beckert Kg Werkzeugmodul für Textilmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019016134A1 (fr) 2017-07-17 2019-01-24 Groz-Beckert Kommanditgesellschaft Module d'outils pour machines textiles

Also Published As

Publication number Publication date
US20150308025A1 (en) 2015-10-29
CN103866504A (zh) 2014-06-18
US9284671B2 (en) 2016-03-15
DE102012112553B3 (de) 2014-02-13
EP2746440A1 (fr) 2014-06-25
CN103866504B (zh) 2018-03-27
US20140165892A1 (en) 2014-06-19
US9080270B2 (en) 2015-07-14

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