EP0530488A1 - Machine à crocheter des galons - Google Patents

Machine à crocheter des galons Download PDF

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Publication number
EP0530488A1
EP0530488A1 EP92112785A EP92112785A EP0530488A1 EP 0530488 A1 EP0530488 A1 EP 0530488A1 EP 92112785 A EP92112785 A EP 92112785A EP 92112785 A EP92112785 A EP 92112785A EP 0530488 A1 EP0530488 A1 EP 0530488A1
Authority
EP
European Patent Office
Prior art keywords
pattern
needle
knitting
thread guides
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.)
Granted
Application number
EP92112785A
Other languages
German (de)
English (en)
Other versions
EP0530488B1 (fr
Inventor
Francisco Speich
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.)
Textilma AG
Original Assignee
Textilma AG
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 Textilma AG filed Critical Textilma AG
Publication of EP0530488A1 publication Critical patent/EP0530488A1/fr
Application granted granted Critical
Publication of EP0530488B1 publication Critical patent/EP0530488B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B25/00—Warp knitting machines not otherwise provided for
    • D04B25/06—Galloon crocheting machines
    • D04B25/10—Galloon crocheting machines for producing patterned fabrics
    • D04B25/12—Galloon crocheting machines for producing patterned fabrics with independently-movable weft-thread guides controlled by Jacquard mechanisms

Definitions

  • the invention relates to a crochet galloon machine according to the preamble of claim 1.
  • Crochet gallon machines of the type mentioned are known several times, for example from WO 85/04911.
  • the crochet gallon machine described there has sample thread guides which are arranged analogously to the warp thread guides, i.e. are in front of the knitting needles.
  • the pattern threads are placed over the warp threads in the knitting needle and worked together.
  • controllable thread retainers prevent the pattern threads from being inserted into the knitting needles and thus prevent the pattern threads from acting.
  • the thread retainers are controlled, for example, by a jacquard device.
  • This crochet gallon machine is relatively complicated.
  • the object of the invention is to further improve a crochet galloon machine of the type mentioned.
  • the object is achieved according to the invention by the characterizing features of claim 1. Because the pattern thread guides are arranged above the knitting needle path and can be controlled individually directly by means of the jacquard device, only the pattern thread guides are used at the knitting point, so that controllable thread retainers are no longer required. This results in a simplification of the crochet gallon machine, particularly in the knitting area, which has advantageous repercussions on the patterning of the knitted fabric that can be produced, the service life of the crochet galloon machine and in particular the working speed.
  • the pattern thread guides can be designed as perforated needles or according to claim 3 as tubular needles.
  • Claim 4 describes a particularly simple arrangement of the pattern thread guides on the pattern needle bar.
  • pattern thread guides can be moved out of and into the knitting needle path at an angle, but an embodiment according to claim 6 is advantageous.
  • the pattern thread guides can be bent in different ways, but an embodiment according to claim 7 is advantageous.
  • the pattern thread guides can also have different designs, for example cams can be attached to the shafts of the pattern thread guides.
  • Claim 8 describes a particularly simple embodiment of the pattern thread guide.
  • the displacement elements can be guided on components which are independent of the pattern needle bar. However, an embodiment according to claim 9 is more advantageous. It is expedient if the displacement elements according to claim 10 are biased against the knitting needle track. A development according to claim 11 is particularly advantageous since relative movements of the driven displacement elements on the pattern needle bar are then avoided.
  • the crochet gallon machine shown schematically in the figures has a knitting needle bar 2 in which a row of knitting needles 4 are arranged in parallel.
  • the knitting needle bar 2 moves the knitting needles 4 back and forth in the longitudinal direction thereof according to the arrow 6, the knitting needles being shown in the advanced position in FIG. 1.
  • the knitting needles 4 are guided in a knock-over comb 8.
  • the latter is preceded by a guide plate 10 which, together with the knock-off comb 8, forms a guide gap 12 through which the finished knitted fabric 14 is guided to a take-off device (not shown).
  • warp thread guides 16 Upstream of the knitting needles 4 are warp thread guides 16, which are designed as perforated needles and are fastened to a warp rod 18.
  • the warp thread guides 16 carry out a back-and-forth movement in the direction of the warp rod as well as a pivoting movement from a high position above the knitting needle plane (FIG. 1) to a low position below the knitting needle plane by means of the kettling bar 18.
  • the warp thread guides 16 can thus insert a warp thread 20 into the knitting needles in a movement encircling the knitting needles 4.
  • a weft laying rod 24 with weft thread guides 26 are fastened to a support 22 which can be moved up and down and which serve to feed weft threads 28.
  • the weft thread guides 26 are designed as tube needles 30.
  • a further thread laying rod 32 is attached to the support 22 and is equipped with thread guides 34 which are designed as perforated needles 36. These thread guides 34 serve to feed rubber threads 38.
  • a pattern needle bar 40 is arranged on the support 22 and carries the pattern thread guide 42.
  • the pattern thread guides are attached to the pattern needle bar so that they can be bent out laterally, stops 44 limiting the lateral deflection of the pattern thread guides 42 (FIGS. 2 to 4).
  • the pattern thread guides 42 each have a bend 48 on their shank 46, on each of which a displacement element 50 engages in order to cause the pattern thread guides 42 to bend out.
  • the displacement elements are cams, which are fastened to displacement boards 52, which in turn are connected to a jacquard device 56 via draw cords 54. Compression springs 58 bias the displacement elements 50 against the knitting needle plane.
  • the pull cords 54 are guided over a choir board 60 and each connected to a resilient board 62, which in turn is guided up and down in a board bottom 64. Knives 66, 68, which are moved up and down by the drive, and magnets are assigned to the boards 70.
  • Each circuit board 62 has a catch hook 72 with which it engages with the associated knife 66, 68 due to its own spring force as long as the magnet 70 is not activated. If the magnet 70 is activated, the associated board 62 is bent out of the movement path of the associated knife 66, 68 against its own spring force, so that the knife is moved up and down without taking the associated board with it.
  • the control of a pattern thread guide 72 in the sense of lateral bending by at least one knitting needle division thus takes place when the associated magnet 70 is not activated, so that the associated circuit board 62 engages with the associated hook 72 on the associated knife and is taken upward. This causes the associated pattern thread guide to bend out by a needle pitch, as can be seen from FIGS. 4 and 5.
  • the support 22 can be moved up and down in a manner not shown in terms of drive, as indicated by the arrow 74. And in a direction 76 that is practically perpendicular to the plane of the knitting needles 4.
  • the support 22 is lowered when the knitting needles 4 are moved forward from the rear position.
  • the threads guided by the thread guides on the support are guided under the knitting needles and engage in the needle lanes between the knitting needles 4 when the knitting needles 4 are advanced, as can be seen from FIG.
  • the warp threads are placed around the knitting needles 4, so that the threads lowered by the thread guides are fixed by means of the warp threads.
  • the thread guides attached to the support are also lifted up.
  • each individual pattern thread guide 42 can now be displaced laterally by at least one needle guide (FIGS. 3 and 4) by means of the associated displacement element 50, in order to produce a pattern, or not be displaced if no patterning is to take place , as shown in Figures 2 and 3.
  • the jacquard device 56 and the support 22 are matched to one another in terms of drive such that when the pattern thread guides 42 are activated, ie when the associated plate 62 is engaged with the associated knife 66 or 68, the knife and the support move practically synchronously that the displacer element 50 in the activated state carries out practically no relative movement to the pattern needle bar 40 and to the pattern thread guide 42 when these are moved up and down.
  • pattern needle bar 40 with the pattern guides 42 can also be moved back and forth in a controlled manner in a manner not known in more detail, in a manner known per se, via at least one needle pitch. In this way, layers of 1 to at least 3 needles can be created.
  • the support 22 and thus also the pattern needle bar 40 and the pattern thread guide 42 move perpendicular to the plane of the knitting needles 4.
  • the thread guide 42 it is also possible to arrange the thread guide 42 so that it deviates from the vertical by a ⁇ 30 ° Angle to the plane of the knitting needles 4 can be moved.
  • the pattern thread guides 42 have perforated needles, but they can also be equipped with tube needles, as is shown for the weft thread guide 6 in FIG. 1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
EP19920112785 1991-09-02 1992-07-27 Machine à crocheter des galons Expired - Lifetime EP0530488B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2570/91 1991-09-02
CH257091 1991-09-02

Publications (2)

Publication Number Publication Date
EP0530488A1 true EP0530488A1 (fr) 1993-03-10
EP0530488B1 EP0530488B1 (fr) 1997-01-22

Family

ID=4236772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920112785 Expired - Lifetime EP0530488B1 (fr) 1991-09-02 1992-07-27 Machine à crocheter des galons

Country Status (4)

Country Link
EP (1) EP0530488B1 (fr)
JP (1) JPH05195392A (fr)
DE (2) DE4140004A1 (fr)
ES (1) ES2097838T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406630C (zh) * 2005-11-30 2008-07-30 江苏宏源纺机股份有限公司 微电脑控制花式纱钩编机
CN102154780B (zh) * 2011-04-26 2013-05-15 绍兴市三纺机械有限公司 一种多功能花边钩编机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315669C (fr) *
DE3321733A1 (de) * 1983-06-16 1984-12-20 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Kettenwirkmaschine mit jacquard-lochnadeln
US4549414A (en) * 1982-10-21 1985-10-29 Comez S.P.A. Knitting machine to produce figured fabrics
WO1985004911A1 (fr) * 1984-04-26 1985-11-07 Textilma Ag Procede de fabrication d'un tissu a motifs tricote en chaine et metier chaine pour sa mise en oeuvre
US4841750A (en) * 1987-07-31 1989-06-27 Comez, S.P.A. Control member for threading tube lifters in crochet galloon looms

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224863B (de) * 1960-06-13 1966-09-15 Liebrandt Karl Kettenwirkmaschine, insbesondere Raschelmaschine, mit durch eine Jacquardmaschine einzeln verstellbaren Lochnadeln
IT1194242B (it) * 1983-05-13 1988-09-14 Antonio Bonaschi Procedimento e macchina tessile per formare tessuti con ricami

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE315669C (fr) *
US4549414A (en) * 1982-10-21 1985-10-29 Comez S.P.A. Knitting machine to produce figured fabrics
DE3321733A1 (de) * 1983-06-16 1984-12-20 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Kettenwirkmaschine mit jacquard-lochnadeln
WO1985004911A1 (fr) * 1984-04-26 1985-11-07 Textilma Ag Procede de fabrication d'un tissu a motifs tricote en chaine et metier chaine pour sa mise en oeuvre
US4841750A (en) * 1987-07-31 1989-06-27 Comez, S.P.A. Control member for threading tube lifters in crochet galloon looms

Also Published As

Publication number Publication date
EP0530488B1 (fr) 1997-01-22
JPH05195392A (ja) 1993-08-03
ES2097838T3 (es) 1997-04-16
DE4140004A1 (de) 1993-03-04
DE59207931D1 (de) 1997-03-06

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