EP0749503B1 - Breithalter für eine strickmaschine - Google Patents

Breithalter für eine strickmaschine Download PDF

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Publication number
EP0749503B1
EP0749503B1 EP95909628A EP95909628A EP0749503B1 EP 0749503 B1 EP0749503 B1 EP 0749503B1 EP 95909628 A EP95909628 A EP 95909628A EP 95909628 A EP95909628 A EP 95909628A EP 0749503 B1 EP0749503 B1 EP 0749503B1
Authority
EP
European Patent Office
Prior art keywords
section
spreader
fibers
holding
spreader 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.)
Expired - Lifetime
Application number
EP95909628A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0749503A1 (de
Inventor
Karl Flad
Gerda Braun
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 FLAD (Inhaber Gerda Braun Geb Flad) Firma
Original Assignee
KARL FLAD (Inhaber Gerda Braun Geb Flad) Firma
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 FLAD (Inhaber Gerda Braun Geb Flad) Firma filed Critical KARL FLAD (Inhaber Gerda Braun Geb Flad) Firma
Publication of EP0749503A1 publication Critical patent/EP0749503A1/de
Application granted granted Critical
Publication of EP0749503B1 publication Critical patent/EP0749503B1/de
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
    • 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 invention relates to a spreader for a knitting machine with movable knock-off boards, which has a rigid holding section for holding the spreader on the knitting machine and an elongated, vertically arranged guide section for discharging the knitted fabric, and a holding device for guiding the guide section in an area below the center of the guide section having.
  • Such a spreader device for a knitting machine with movable knock-off boards is shown, for example, in the machine manual CMS 400 selectanit knitting machine systems from H. Stoll GmbH & Co., Reutlingen, from 1988 on drawing sheets 203 205 to 203 207.
  • Such a plug-in spreader which is held from below, with two strip plates and one longitudinal slot in each case in the working area of the movable knock-off boards is used for hanging up to the edge, for predominantly single-surface knitted fabrics and for processing synthetic yarns.
  • the knitting machine is equipped with a spreader on the left and a spreader on the right side of the needle bed.
  • Each spreader is assigned a counterholder as a guide on the lower part of the vertical guide section.
  • the counter-holder is provided with a guide channel and with guide elements which, arranged at a certain distance, leave a gap between three staggered guide rollers.
  • the guide section held in the counter holder allows the knitted edge to pass through, but prevents the guide section of the spreader from evading laterally.
  • the spreader device and counter bracket must be adjusted at the same time.
  • the main purpose of using a spreader device is to prevent the vertical edges of the knitted fabric from bulging towards the inside of the knitting machine due to the pulling force of the knitted fabric being drawn off.
  • the spreader ensures that the respective edge of the knitted fabric vertically straight down runs.
  • a main disadvantage of the known spreader devices is that the puncture of the edge of the last active tee-off board in the spreader must be positioned extremely precisely, otherwise the corresponding, movable tee-off board does not hit the vertical slot provided in the guide section for the engagement of the board, but against the guide section strikes and is damaged or destroyed.
  • the smallest possible spacing of the tee-off boards is limited by the width of the webs delimiting the slot in the spreader. Such a spreader can no longer be used with finer knitted fabrics, which in turn leads to the above-mentioned bulging of the knitted edges inwards.
  • spreader devices are also known. For example, in GB-A-2 175 613 or in DE-A-1 947 007 knitting machines without movable knock-off boards are described. In addition, such a spreader device is shown in the machine instructions ANVH-B from H. Stoll GmbH & Co., Reutlingen, from 1969 in drawings No. 72 602/603 and 55 857/858.
  • This known spreader essentially consists of a rigid support section arranged at the top and a vertical guide section in the form of a spring steel wire.
  • the object of the present invention is to present a spreader for a modern knitting machine with movable knock-off boards, in which damage to the knock-off boards can be ruled out if the plate is not correctly positioned in the spreader, and in which the smallest possible distance between the knock-off boards cannot be avoided the geometric structure of the spreader is limited.
  • this object is achieved in that between the rigid mounting section and the elongated, vertically arranged guide section, an elastic section is provided in the working area of the movable tee-off boards, which can deflect in a horizontal direction, in particular laterally to the printing direction, when pressure is applied by a tee-off board.
  • the elastic section is formed by a bundle of fibers with high tensile strength, which are firmly anchored on the one hand on the holder section and on the other hand on the guide section.
  • the tensile strength of the fiber bundle should be at least so large that masses between 10 and 60 kg can be carried.
  • the moveable Tee-off boards can then easily push adjacent fibers to the left and right when entering the work area and run a path between the fibers without fear of damage to the tee-off boards.
  • the fibers can also form a unit in the rotated version and be pushed as a whole to the left or right.
  • the fibers are preferably synthetic fibers, since their elasticity and tensile strength can be substantially greater than that of natural fibers.
  • Synthetic fibers can consist, for example, of polyamide, such as nylon, or of aramid, such as Kevlar.
  • An embodiment is also preferred in which the mounting section and / or the guide section consists of plastic, which melts under high heat. As a result, in a further development of this embodiment, the plastic fibers can be welded to the mounting section and / or the guide section.
  • the fibers can be firmly clamped in the holding section and / or in the guide section.
  • the simple interchangeability of the elastic section is particularly advantageous.
  • the fibers are glued to the mounting section and / or to the guide section.
  • the guide section is cylindrical with a ratio of height to diameter greater than 100, preferably greater than 200.
  • the guide section consists of metal, preferably hardened stainless steel. This ensures the durability of the guide section with optimal functionality at the same time.
  • An embodiment of the spreader according to the invention is also preferred, in which a vertical longitudinal slot is provided in the elastic section in the working area of the movable tee-off boards, into which a tee-off board can engage.
  • the vertical longitudinal slot per se is already known from the prior art cited at the beginning. It allows the tapping plate to engage in the spreader.
  • the elastic section In the spreader according to the invention with an elastic section, it is not necessary in this embodiment that the elastic section must deflect as a whole when a striking plate strikes the spreader in the working area. This is particularly beneficial in a finer division of the knitting machine, in which case the tee-off boards are arranged with a smaller mutual distance.
  • the spreader according to the invention shown in FIGS. 1a and 1b for a knitting machine with movable knock-off boards has a rigid holding section 1 at the upper end for holding the spreader on the knitting machine.
  • a suitable holding element not shown in the drawing
  • the holding section 1 can be hung, for example, into the thread guide rail of the knitting machine, so that the spreader is suspended from above.
  • the mounting section 1 which can be made of metal or a rigid plastic, closes in the working area of the movable knock-off boards of the knitting machine an elastic section E.
  • the elasticity of the material used for the elastic section E must be at least so great that when the elastic section E is subjected to pressure by a knock-off plate, which takes place essentially in the horizontal direction, an at least partial horizontal deflection of the elastic section E in the area under pressure is made possible.
  • the elastic section E is formed by a plurality of elastic fibers 2, which on the one hand at their upper end on the mounting section 1, and on the other hand at their lower end on a receiving part 4 for receiving a wide holding wire 6 for straight , vertical deduction of the edge of the knitted goods are firmly anchored.
  • a vertical longitudinal slot 3 is left free in the working area of the movable tee-off boards, into which a tee-off board can engage when it moves towards the spreader from the front or from behind.
  • the spreader is not positioned exactly so that the striking plate exactly meets the longitudinal slot 3, then due to the elasticity of the elastic section E, a horizontal deflection of at least part of the elastic section against the horizontal pressure load by the striking plate is achieved, so that the striking plate at Impact on the spreader cannot be damaged.
  • the horizontal deflection can in particular also take place laterally with respect to the printing direction of the knock-off board, in that the knock-off board fits into the gap between placed two adjacent fibers 2 and if necessary pushes them away to both sides.
  • the fibers 2 must have a high tear strength (10-60 kg) and can in particular be synthetic fibers.
  • synthetic fibers for example, polyamide fibers, e.g. Nylon, or aramid fibers, e.g. Kevlar.
  • the fibers 2 can be welded to the mounting section 1 and / or the receiving part 4 if the mounting section 1 and / or the mounting part 4 consists of a material that melts under high heat.
  • the fibers 2 can also be firmly clamped in the mounting section 1 or the receiving part 4 or can be glued to the mounting section 1 or the receiving part 4. In any case, it must be ensured that the selected connection type has a sufficiently high tensile strength (10 - 60 kg).
  • the receiving part 4 and the wide holding wire 6 form a guide section 5, on which the edge of the knitted fabric is guided vertically downward from the working area of the knitting needles and knock-off sinkers.
  • the guide section 5 is preferably cylindrical and has a ratio of height to diameter greater than 100, better still greater than 200.
  • the guide section 5, in the exemplary embodiment of FIGS. 1a and 1b in particular the wide holding wire 6, is made of metal, preferably hardened stainless steel.
  • the elastic section E does not consist of fiber bundles, but in one piece from a suitable, elastic material with high tensile strength, preferably plastic.
  • a vertical longitudinal slot 3 ' is again provided, into which a tee-off board can engage. If the spreader has not been positioned precisely enough relative to the tapping plate so that the tapping plate does not exactly meet the longitudinal slot 3 ', the elastic section E, due to its elasticity, at least partially deviates horizontally in the direction of pressure of the tapping plate when it hits it. This will prevent damage to the tee board.
  • FIGS. 3a and 3b show an embodiment of the spreader according to the invention, in which the elastic section E is formed by fibers 2 'which are twisted together and form a unit.
  • FIGS. 5a and 5b An embodiment of the spreader is shown in FIGS. 5a and 5b, in which the elastic section E is formed by two approximately parallel bands 2 ′′ made of elastic material, which include a vertical longitudinal slot 3 ′′ for engaging a knock-off board.
  • bands 2 ′′ for example, elastic ones can also be used Cords, especially those made from round material, are used.
  • FIG. 4 shows a counter holding device 7 with guide rollers 8 which guide the wide holding wire 6 ′′ of the vertical guide section 5 ′′ in an area below the center of the guide section 5 ′′.
  • the counter-holding device 7 is arranged on a carriage 9, which in turn is rigidly connected to the needle bed 10 of the knitting machine.
  • the vertical withdrawal of the knitted fabric on the guide section 5 ′′ works without jamming, since again a wide-hold wire 6 ′′ which is round in cross section is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
EP95909628A 1994-03-08 1995-02-11 Breithalter für eine strickmaschine Expired - Lifetime EP0749503B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4407606A DE4407606C1 (de) 1994-03-08 1994-03-08 Breithalter für eine Strickmaschine
DE4407606 1994-03-08
PCT/DE1995/000176 WO1995024522A1 (de) 1994-03-08 1995-02-11 Breithalter für eine strickmaschine

Publications (2)

Publication Number Publication Date
EP0749503A1 EP0749503A1 (de) 1996-12-27
EP0749503B1 true EP0749503B1 (de) 1997-11-19

Family

ID=6512110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95909628A Expired - Lifetime EP0749503B1 (de) 1994-03-08 1995-02-11 Breithalter für eine strickmaschine

Country Status (6)

Country Link
EP (1) EP0749503B1 (tr)
AT (1) ATE160391T1 (tr)
AU (1) AU1804795A (tr)
DE (1) DE4407606C1 (tr)
TR (1) TR28638A (tr)
WO (1) WO1995024522A1 (tr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1947007C3 (de) * 1969-09-17 1975-07-31 H. Stoll & Co, 7410 Reutlingen Flachstrickmaschine
DE2128262C3 (de) * 1971-06-07 1973-12-13 Universal-Maschinenfabrik Dr. Rudolf Schieber Kg, 7081 Westhausen Flachstrickmaschine mit einer Vor richtung zum Breithalten des Gestricks
DE3518778A1 (de) * 1985-05-24 1986-11-27 H. Stoll Gmbh & Co, 7410 Reutlingen Strickbreithaltevorrichtung fuer flachstrickmaschinen

Also Published As

Publication number Publication date
WO1995024522A1 (de) 1995-09-14
EP0749503A1 (de) 1996-12-27
ATE160391T1 (de) 1997-12-15
AU1804795A (en) 1995-09-25
TR28638A (tr) 1996-12-04
DE4407606C1 (de) 1995-08-17

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