EP0568536A1 - Machine a tricoter rectiligne. - Google Patents

Machine a tricoter rectiligne.

Info

Publication number
EP0568536A1
EP0568536A1 EP91920893A EP91920893A EP0568536A1 EP 0568536 A1 EP0568536 A1 EP 0568536A1 EP 91920893 A EP91920893 A EP 91920893A EP 91920893 A EP91920893 A EP 91920893A EP 0568536 A1 EP0568536 A1 EP 0568536A1
Authority
EP
European Patent Office
Prior art keywords
hold
knitting machine
flat knitting
machine according
plates
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
EP91920893A
Other languages
German (de)
English (en)
Other versions
EP0568536B1 (fr
Inventor
Reinhold Universal Mas Schimko
Roland Universal Masch Wittwer
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.)
Henkel Dorus GmbH and Co KG
Original Assignee
Dr Rudolf Schieber GmbH and Co KG
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 Dr Rudolf Schieber GmbH and Co KG filed Critical Dr Rudolf Schieber GmbH and Co KG
Publication of EP0568536A1 publication Critical patent/EP0568536A1/fr
Application granted granted Critical
Publication of EP0568536B1 publication Critical patent/EP0568536B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • D04B15/10—Needle beds
    • 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
    • D04B15/06—Sinkers
    • 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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B7/00—Flat-bed knitting machines with independently-movable needles
    • D04B7/04—Flat-bed knitting machines with independently-movable needles with two sets of needles

Definitions

  • the invention relates to a flat knitting machine with at least one needle bed, in
  • Needle bed movable needles and immovable comb sinkers Needle bed movable needles and immovable comb sinkers.
  • Knitting styles and subtleties also require different forms of the bow, which require frequent replacement of the bow, is particularly disadvantageous that the bow must also be switched when the sled is reversed.
  • the strings' wires bend slightly, collide with the tongue brushes and make access and view of the comb gap more difficult.
  • Flat knitting machines are known, for example from documents DE-A39 17 934, DE-PS 233 559, CH-PS 343 573, DE-AS 15 85 281, DE-A 20 61 502 or DE-A-36 09 539, in which the Comb sinkers are designed to be movable and are referred to in this context as trigger sinkers.
  • take-off sinkers have the task of serving as comb sinkers, that is to say to provide the wedge edges for stitch formation, and also to hold down the old stitches and to prevent them from swelling in the stitch formation area. Because of their function as a curling edge, they must therefore also be provided and operated, that is to say controlled, if a hold-down is not necessary, for example, if simple knitted fabrics are to be produced without additional loose stitches. An alternative work with and without a trigger board is therefore not possible.
  • the invention is therefore based on the object of creating a flat knitting machine which, with simple constructional, production-technical and control-related means, reliably ensures that stitches are held down.
  • this object is achieved according to the invention by movable hold-down plates which are provided in addition to the immovable comb sinkers.
  • the feature according to the invention is the function of holding down and the function of stitch formation or wiping, in contrast to conventional flat knitting machines, completely separate.
  • the stitches are formed by means of the immovable comb sinkers which form the wedge edges for the wiping process, without being responsible for holding down the stitches.
  • the hold-down boards have no function in stitch formation; they have no wedge edges and are only intended for holding down the old mesh.
  • Another important advantage of the present invention namely to provide movable hold-down plates in addition to immovable comb sinkers, is that the hold-down sinkers can remain inoperative when it is not necessary to hold down the stitches, for example when knitted fabrics are being produced in which there are no loose stitches in the knitted or pattern type.
  • the immovable comb boards are sufficient in these cases. If they are not required for the hold-down process, the movable hold-down boards can be held in the rear position across the entire machine width by a control or locking device. This also reduces wear on both the hold-down boards themselves and the lock parts required to control the hold-down boards. This increases the functional reliability and service life of a flat knitting machine.
  • the movable hold-down plates have a hold-down finger which, in the forward position of the hold-down plate, covers the comb gap from a needle bed.
  • a hold-down finger which, in the forward position of the hold-down plate, covers the comb gap from a needle bed.
  • the movable retaining boards are only provided on a needle bed. Due to the fact that the comb gap is already covered by a hold-down board, so that two opposing take-off boards are not required in the conventional machines, hold-down boards on one of the two beds can be completely dispensed with in accordance with this embodiment of the invention, so that the hold-down boards not having needle bed only has the conventional comb sinkers.
  • This be ⁇ indicates that both of the effort to control the boards, and the boards and the platinum beds themselves fold increase an essential lou ⁇ is reached the flat knitting machine terms, would have to be taken without restrictions in function manner and in the functional safety into account with respect . Since, in this embodiment, no devices for movable sinkers are required on a needle bed, there is sufficient space for the nuts even when knitted plush knitted fabrics, ie plush knitted fabrics can be carried out with the flat knitting machine according to the invention.
  • the front ends of the hold-down plate do not touch the fixed comb plates of the opposite needle bed. This ensures that the boards are not damaged even if they are in the forward position when the needle bed is moved in the longitudinal direction of the machine, that is to say in the event of an offset.
  • the shape and / or movement path of the hold-down plates is selected such that they do not get into the movement path of the needle of the opposite needle bed. In this way, regardless of the offset position of the needle beds, it is ensured that contact and thus damage or breakage of the needles and / or the hold-down plates cannot occur.
  • the simplest path of movement of the hold-down plate is preferably given when the hold-down plate can be rotated about a pivot point.
  • the hold-down plate executes a combined rotary and longitudinal movement.
  • the path of movement of the hold-down plate can be optimized with regard to the existing conditions and a position in the front position can be achieved that cannot be achieved with an exclusive rotary movement.
  • the hold-down plates have an elongated hole for receiving the rotary shaft. In this way, there is an eccentric rotation with a rotational and longitudinal movement component, whereby the movement sequence and the position of the hold-down plate or the hold-down finger can be optimized according to the given requirements and wishes.
  • the hold-down boards have a guide arm which moves in a guide device.
  • the guide device preferably consists of two wires running in the longitudinal direction of the machine, which are provided in corresponding holes in the needle bed below the needle channels. The guide arm slides between these wires and is thereby defined in its movement sequence.
  • defined and more or less complicated movement curves of the hold-down boards or the hold-down fingers can be selected and achieved in a simple manner in order to optimize the movement sequence and / or positions to be assumed.
  • the hold-down plate preferably has at least one stop element for upper and / or lower limitation of the movement path.
  • the stop element is particularly advantageous for limiting the downward movement, ie into the front position.
  • the end positions of the hold-down boards are therefore defined and specified.
  • the hold-down finger, the hold-down plate and / or the movement control is flexible when pressure or tension is exerted on the hold-down finger through the stitches.
  • the elasticity and resilience during the movement of the finger reduces the risk of a thread breakage even if a relatively large pull is exerted on the thread, in particular during an offset operation and / or when being transferred.
  • Various arrangements are possible for fastening the hold-down boards.
  • An advantageous embodiment of this is that the comb boards and the hold-down boards are attached to a needle with a wire common to both boards. In this way, both the machine parts and the assembly result in little effort.
  • the figure shows a cross section through the needle beds 1 and 2 of a flat knitting machine.
  • Needles 5 and 6 are located in needle channels 3 and 4 of the needle beds 1 and 2, of which only the needle heads are shown for the sake of clarity.
  • both needle beds have the same comb sinkers 7, 8, which are clipped with elastic arms 9 and 10 into corresponding recesses 11 on the underside of the beds 1 and 2, the upper parts of the comb sinkers 7 and 8 respectively with corresponding recesses 13 and 14 formed in the comb sinkers 7 and 8 over wires 15 and 16 running in the longitudinal direction of the beds.
  • a hold-down plate 17 is shown in its front position with a thick solid line and in its rear position with a dashed line. The hold-down plate 17 is arranged on one needle bed 2 of the flat knitting machine in addition to comb plate 8 and preferably directly next to it.
  • the hold-down plate 17 has a hold-down finger 18 which covers a comb gap 19 when the hold-down plate 17 is in its forward position.
  • the front end of the hold-down finger 18 does not touch the opposite bed or the opposite ridge plate.
  • the old stitches already knocked off by the needles 5 and 6 are held down securely by the finger 18 in the forward position of the hold-down plate 17 and then also prevented from reaching the drive-out area of the needles 5 and 6 above the hold-down finger 18 if the old stitches are not deducted, for example if they have cam or other patterns, if there are several stitches were knitted by a needle, are not drawn off by a stitch or goods take-off device.
  • the holding-down sinker is moved to the lung for controlling dersel ⁇ ben provided cams, not shown, in the front and rear Stel ⁇ via a control lever 20th
  • the control of circuit boards is generally known and is not the subject of the present invention, so that a more detailed description of the control in this context can be dispensed with.
  • the hold-down plate 17 has a rotary arm 21 with a bore or a laugh hole 22, through or through which a wire 23 is inserted as a rotary shaft.
  • the wire 23 is located in a needle bed recess 24, the inner dimensions of which are larger than the diameter of the wire 23.
  • the hold-down plate 17 has at the lower end a guide arm 25 with a stop element 26 provided at the lower end, which can also serve as a low-pressure edge for the knitted goods.
  • the guide arm 25 is guided between two wires 1 6 and 27 serving as a guide device, the guide wire 16 simultaneously being the holding wire for the comb plate 8, and the guide wire 27 as a so-called punched wire, over which the finished stitches slide downward, serves.
  • the shape of the guide arm 25, which is guided between the guide wires 16, 27, defines a movement curve of the hold-down plate 17 and thus also of the hold-down finger 18, which corresponds to the specified requirements or desired movement sequences.
  • the hold-down plate 17 (not shown) has an elongated hole so that it can correspond to the longitudinal movement.
  • an edge of the body of the hold-down board 17 in the front board position strikes the guide wires 16 and / or 27, so that through the front position the hold-down plate 17 and thus the distance of the hold-down finger 18 to the opposite needle bed or to the opposite comb plate 7 is fixed.
  • the stop element 26 strikes the wire 16, so that the movement of the hold-down plate 17 into the rear position is thereby limited.
  • movable hold-down plates on the other needle bed 1 which can be freely selected in terms of their shape and their course of movement and can also be combined with or adapted to the hold-down plates 17 of the one needle bed Z in shape and movement sequence .

Landscapes

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

Abstract

Dans un métier à tricoter rectiligne comportant au moins un lit d'aiguilles, des aiguilles mobiles dans le lit, ainsi que des plaques à peigne immobiles, le maintien des aiguilles vers le bas est assuré par des moyens simples du point de vue conception, technique de fabrication et commande, car l'on a prévu, en plus des plaques de peigne immobiles (7, 8), des plaques de pression mobiles (17).
EP91920893A 1991-01-25 1991-12-02 Machine a tricoter rectiligne Expired - Lifetime EP0568536B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4102207 1991-01-25
DE4102207A DE4102207A1 (de) 1991-01-25 1991-01-25 Flachstrickmaschine
PCT/EP1991/002273 WO1992013126A1 (fr) 1991-01-25 1991-12-02 Machine a tricoter rectiligne

Publications (2)

Publication Number Publication Date
EP0568536A1 true EP0568536A1 (fr) 1993-11-10
EP0568536B1 EP0568536B1 (fr) 1995-01-04

Family

ID=6423699

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91920893A Expired - Lifetime EP0568536B1 (fr) 1991-01-25 1991-12-02 Machine a tricoter rectiligne

Country Status (4)

Country Link
US (1) US5408849A (fr)
EP (1) EP0568536B1 (fr)
DE (2) DE4102207A1 (fr)
WO (1) WO1992013126A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2700204B2 (ja) * 1992-12-15 1998-01-19 株式会社島精機製作所 横編機におけるシンカー装置
DE4243051C2 (de) * 1992-12-18 1996-03-14 Schieber Universal Maschf Verfahren zum Betreiben einer Textilmaschine
IT1264204B1 (it) * 1993-09-06 1996-09-23 Emm Srl Dispositivo per trattenere i ranghi di maglia in formazione in una macchina rettilinea per maglieria
DE4411724C2 (de) * 1994-04-05 1996-04-18 Schieber Universal Maschf Flachstrickmaschine
JP3498270B2 (ja) * 1994-04-28 2004-02-16 株式会社島精機製作所 横編機における糸案内方法及び装置
DE19531960A1 (de) * 1995-08-30 1997-03-06 Schieber Universal Maschf Flachstrickmaschine
DE19704644B4 (de) * 1997-02-07 2006-06-14 H. Stoll Gmbh & Co. Flachstrickmaschine und Verfahren zur Herstellung eines Gestricks
JP3044373B2 (ja) * 1997-09-12 2000-05-22 株式会社島精機製作所 ループプレッサーを備えた横編機およびループプレッサーを用いた編地編成方法
CA2660724A1 (fr) * 2006-08-17 2008-02-21 Yves Sauget Machine rotative a elements tronconiques
DE502008001941D1 (de) * 2008-06-04 2011-01-13 Groz Beckert Kg Stricksystem mit einer nadelgetriebenen Abschlagplatine
US8468855B2 (en) * 2011-09-16 2013-06-25 Pai Lung Machinery Mill Co., Ltd. Downward pressing mesh mechanism and sinker thereof for flat knitting machines

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1653886A (en) * 1926-05-24 1927-12-27 Fred F Billings Sinker for knitting machine
BE517723A (fr) * 1952-09-04
CH416912A (de) * 1963-11-15 1966-07-15 Paliz Ag Doppelbettstrickmaschine
US3362195A (en) * 1964-07-28 1968-01-09 Goisis Mario Method of and apparatus for forming loops in flat knitting machines
DE3609539A1 (de) * 1986-03-21 1987-10-01 Stoll & Co H Zweibettige flachstrickmaschine mit zwischen den nadeln angeordneten platinen
DE3629334A1 (de) * 1986-08-28 1988-03-10 Stoll & Co H Flachstrickmaschine
DE3917934A1 (de) * 1988-06-13 1989-12-14 Schieber Universal Maschf Flachstrickmaschine
DE3935763A1 (de) * 1989-10-27 1991-05-02 Stoll & Co H Flachstrickmaschine
JPH03234847A (ja) * 1990-02-09 1991-10-18 Shima Seiki Seisakusho:Kk 横編機における可動シンカー
DE4128016A1 (de) * 1991-08-23 1993-02-25 Stoll & Co H Zweibettige flachstrickmaschine mit nadeln und platinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9213126A1 *

Also Published As

Publication number Publication date
DE4102207A1 (de) 1992-07-30
WO1992013126A1 (fr) 1992-08-06
DE59104175D1 (de) 1995-02-16
US5408849A (en) 1995-04-25
EP0568536B1 (fr) 1995-01-04

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