EP1757721B1 - Aiguille de transfert et méthode pour le transfert de maille - Google Patents

Aiguille de transfert et méthode pour le transfert de maille Download PDF

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Publication number
EP1757721B1
EP1757721B1 EP05018558A EP05018558A EP1757721B1 EP 1757721 B1 EP1757721 B1 EP 1757721B1 EP 05018558 A EP05018558 A EP 05018558A EP 05018558 A EP05018558 A EP 05018558A EP 1757721 B1 EP1757721 B1 EP 1757721B1
Authority
EP
European Patent Office
Prior art keywords
needle
transferring
hook
stitch
transfer
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
EP05018558A
Other languages
German (de)
English (en)
Other versions
EP1757721B2 (fr
EP1757721A1 (fr
Inventor
Thomas Dipl.-Ing. Stoll
Michael Dipl.-Ing. Sedlag
Martin Dipl.-Ing. Wörnle (FH)
Hans-Günther Haltenhof
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.)
H Stoll GmbH and Co KG
Original Assignee
H Stoll 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
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Application filed by H Stoll GmbH and Co KG filed Critical H Stoll GmbH and Co KG
Priority to EP05018558.6A priority Critical patent/EP1757721B2/fr
Priority to CNA2006101219191A priority patent/CN1920148A/zh
Priority to CN201310141875.9A priority patent/CN103320962B/zh
Publication of EP1757721A1 publication Critical patent/EP1757721A1/fr
Application granted granted Critical
Publication of EP1757721B1 publication Critical patent/EP1757721B1/fr
Publication of EP1757721B2 publication Critical patent/EP1757721B2/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
    • D04B35/04—Latch needles

Definitions

  • the invention relates to a transfer needle for flat knitting machines with at least two opposing needle beds, with a needle hook which can be closed by a tongue or a slide, an adjoining needle shaft which widens to form a needle breast to the needle body, and a method for transferring loops on a flat knitting machine. which is equipped with Umitatiadeln invention.
  • Um Stens on flat knitting machines Um suctionadeln are usually used with a needle tongue and a transfer spring. However, the transfer with these needles is only safe if the loop to be attached to the needle breast of the transferring needle is applied until it comes to rest on the needle neck of the receiving needle. This is only guaranteed if the necessary detachment force can act on the stitch to be looped, in particular if the transferring needle is in the return movement.
  • Knitting technically elaborate knits however, often have needle areas in which stitches are formed, and needle areas that do not participate in the stitching, but wear stitches.
  • the last-mentioned needle areas reduce the pull-off effect on those stitches which are formed in their neighboring area. If stitches are to be hung on which only a small pull-off force acts, then these stitches often do not lie exactly on the breast of the transfer needle and can therefore not be enclosed by the hook of the take-over needle. These mesh slide then in the retraction movement of the transfer needle on the closed needle hook and form drop stitches, ie errors in the fabric.
  • the present invention is based on the object to provide a transfer needle and a transfer method, which allow a safe transfer of stitches, on which a low withdrawal force acts.
  • the invention is achieved by a Um meetadel for flat knitting machines with at least two opposing needle beds with a closable by a tongue or slider needle hook, an adjoining needle shaft which expands to form a needle breast to the needle body, which is inventively characterized in that it its top in front of the needle breast has a substantially triangular elevation, the tip of which forms a Einsch Strukturkante and forms a mesh transfer area together with the needle breast.
  • the loop to be transferred is held in front of the needle breast even at a low withdrawal force acting on them in the stitch transfer area, so that they can be reliably detected by the needle hook of the acquiring needle.
  • the containment edge may be at the point where the hook tip of the receiving needle is in the loop stitching when the back inside of the hook of that needle is in registration with the needle face of the transferring needle.
  • the accepting needle reaches this position after being passed through the legs of the loop to be put on and at the same time moved back with the transferring needle.
  • the hook of the accepting needle together with the needle face and the elevation of the transferring needle, includes the stitch from all sides, so that it can be safely picked up can be done by the accepting needle.
  • the triangular elevation in the direction of the needle breast has a slope whose inclination is chosen such that a sufficiently large mesh transfer area results between it and the needle breast and the stitch to be looped can easily slide over the containment edge.
  • the survey must not lead to an excessive expansion of the mesh.
  • its shaping in the direction of the needle breast must be such that a stitch of a thicker or multifilament yarn can also be held in the stitch transfer area.
  • the triangular elevation may also have a slope in the direction of the needle hook, the slope of which is less than the inclination of the slope in the direction of the needle face and which is determined by the different retraction speeds of the transferring and receiving needle.
  • the slope in the direction of the needle hook must allow a safe and easy sliding of the loop to be folded in the direction of the trapping edge. Due to their relatively flat course, this is guaranteed.
  • the containment edge and the transitions of the slopes to the needle shaft may be rounded.
  • the high security of the method according to the invention can be achieved, in particular, by carrying out the withdrawal movements of the transferring and receiving needle simultaneously and / or in alternation, such that the tip of the hook of the receiving needle always overlaps the transferring needle from the containment edge until it reaches the tip of the transferring needle, thereby trapping the loop to be transferred in the space between the hook of the receiving needle and the transferring needle.
  • Fig. 1 Figure 12 shows two transfer needles 1 "and 1"'during the transfer of a stitch 5, the needle 1 "being the transferring needle and the needle 1""being the receiving needle.
  • the appearance of the prior art needles will now be described using the example of the needle 1 ".
  • the needle 1" has a needle hook 13 "which is closable by a tongue 15". This is followed by the needle shaft 12 ", which merges into a needle body 11" to form a needle breast 111 ".
  • the needle shaft 12" has a substantially smooth upper side between the needle breast 111 "and the point of articulation of the tongue 15".
  • the acquiring needle 1 "'with its hook 13"' through the legs of the mesh 5 has been driven through and now in its withdrawal movement in the direction of the arrow 103 '. Also, the needle 1 "is in retracting motion along arrow 102. The rear inside 121"'of the hook 13 "' of the receiving needle 1"'is in registration with the needle face 111 "of the transferring needle 1".
  • Fig. 2 shows a transfer needle 1 according to the invention in the side view, which avoids the described problems of Um yogaadeln according to the prior art.
  • the needle 1 has a needle hook 13, a needle tongue 15, a needle shaft 12 and a needle body 11.
  • the transition between the Needle shaft 12 and the needle body 11 forms the needle breast 111.
  • a transfer spring 2 is provided in a bearing groove 112 in the needle body 11.
  • the needle shaft 12 now has an approximately triangular elevation 129, the tip of which forms an enclosing edge 126.
  • the containment edge 126 is spaced from the closed end of the hook 13 at a distance X and from the bottom of the needle at a distance H1. This is where the hook tip of the take-up needle is located when the back inside of the hook of the take-over needle is congruent with the needle face of the transfer needle.
  • the needle cross-section can also taper upwards.
  • the elevation 129 includes a mesh transfer area 128 between itself and the needle face 111. In this area 128, a stitch is safe even if only a small pull-off force acts on it. This is ensured by a bevel 127 which extends from the containment edge 126 in the direction of the needle breast 111.
  • the inclination W2 of this bevel 127 is selected such that a sufficiently large mesh transfer area 128 results and the stitch to be looped can easily slide over the slope 127 and the containment edge 126.
  • the elevation 129 Towards the needle hook 13, the elevation 129 has a slope 125 with a slope W1. The slope W1 is determined by the different retraction speeds of the transferring and receiving needle.
  • the Einsch spakante 126 and the transitions of the bevels 125, 127 to the needle shaft 12 and the mesh transfer area 128 are rounded.
  • the needle shaft 12 can be provided on its underside, opposite the Einsch Strukturkante 126 with a recess not shown here.
  • Fig. 3 shows a Umitational 10 according to the invention, in which a triangular elevation 229 not on the needle shaft 12 but on the Cap spring 2 is located.
  • the containment edge 226 is at the same position as the needle 1 in FIG Fig. 2 .
  • the stitch transfer area 128, the angle W1 of the slope 225, the angle W2 of the slope 227 and the needle face 111 are also identical to the corresponding features of the needle 1.
  • Fig. 4 shows a Um healthyadel 100, in which a triangular elevation 329 is located on a small plate 3, which is connected to the needle longitudinal side opposite to the Um vonfeder and whose thickness corresponds to the capstan.
  • the location and the geometry of the elevation 329 and the mesh transfer area 128 are identical to those of the needle 1.
  • Fig. 5 shows a further transfer needle 1000, wherein the contour of a survey 429 is formed of a preferably round spring wire steel.
  • the elevation 429 is preferably located on the central axis of the shaft 2.
  • the location and geometry of the elevation 429 and the mesh transfer area 128 are identical to those of the needle 1.
  • the leg forming the slope 425 is fixedly connected to the needle shaft 12 and the slope 427 forming leg protrudes freely into an opening 113 in the needle body 11.
  • the contour of the survey 429 in the region of the leg 425 is resilient.
  • the rise height to the containment edge 426 may change as the needle 1000 makes its propulsion motion to cause the loop to be looped into the stitch transfer area 128.
  • the 6 to 12 now describe the use of two needles according to Fig. 2 for transferring a stitch 5 according to a method of the invention.
  • the initiation of the propulsion movement to the outermost position of the transferring needle 1 and the accepting needle 1 'and the retraction movements of both needles 1, 1' from the position at which the hook 13 'of the take-over needle 1' on the straight needle shaft 12 of the transfer needle 1 has coverage are identical to the prior art and therefore not shown.
  • Fig. 6 the transferring needle 1 has been driven in the direction of the arrow 100 in the mesh transfer position, which is the farthest Propulsion of the needle 1 corresponds.
  • the transferring needle 1 with the open needle tongue 15, the nose 21 of the transfer spring 2 and all areas of the needle shaft slipped through the loop 5, beginning with the needle neck 121, the bevel 122, the needle tongue 15, the horizontal shaft area 124 , the nose 21, the slope 125, the containment edge 126, the slope 127, until reaching the stitch transfer area 128 and the attachment to the needle face 111 through the stitch 5.
  • the stitch 5 is normally at the needle breast 111 on.
  • the mesh leg 51 lies above the cap spring 2.
  • the accepting needle 1 ' has been driven in the direction of the arrow 101 to its foremost transfer position, in which the tip 133' of the hook 13 'is at a safe distance above the stitch 5.
  • the tip 133' of the hook 13 ' is at a safe distance above the stitch 5.
  • Fig. 7 shows the transferring needle 1 in the first phase of its retraction movement in the direction of the arrow 102.
  • the accepting needle 1 ' is still in its foremost transfer position.
  • Fig. 8 the transferring needle 1 is still in its retraction movement in the direction of the arrow 102.
  • the accepting needle 1 has also begun its return movement in the direction of the arrow 103.
  • Fig. 9 the transferring needle 1 and accepting needle 1 'are in return movement corresponding to the arrows 102 and 103 in the phase in which the rear inner side 121' of the hook 13 'of the receiving needle 1' is congruent with the breast 111 of the transferring needle 1.
  • the tip 133 'of the hook 13' of the receiving needle 1 ' has overlap with the containment edge 126 of the transferring needle 1.
  • the loop 5 is enclosed in a space taken up by the rear and upper hook inside 121' and 122 'of the transferring needle Needle 1 ', the mesh transfer area 128, the slope 127 and the Einsch Strukturkante 126 of the transferring needle 1 is formed.
  • the tip 133' of the hook 13 'of the receiving needle 1' retains registration with the contour of the needle shaft 12 of the transferring needle 1, whereby the loop 5 is constantly enclosed in the hook 13 ' remains.
  • the transferring needle 1 moves back in the direction of the arrow 102, while the acquiring needle 1' has interrupted their return movement, wherein the hook tip 133 'is in the region of the nose 21 of the transfer spring 2.
  • the tip 133 'of the hook 13' of the receiving needle 1 ' has coverage with the last portion of the slope 125th
  • Fig. 12 It is shown how the tip 133 'of the hook 13' of the receiving needle 1 'has overlap with the horizontal shaft portion 124 of the transferring needle 1. From this area, the transferring needle 1 and the receiving needle 1 'return movements along the arrows 102, 103 as long as analogous to the method of the prior art, until the mesh 5 has left the transferring needle 1 and they only in the hook 13th 'the receiving needle 1' is located.
  • the transfer needle according to the invention and the transfer method according to the invention enable the stitch to be transferred to be entrapped with greater certainty by the receiving needle than is possible with needles and transfer methods of the prior art. In essence, this is accomplished by having the transferring needle and the accepting needle come to a mutual position during their withdrawal movements, in which the needle breast of the transferring needle is congruent with the rearward inside of the needle hook of the receiving needle and the hook tip of the hook of the receiving needle with the Einsch Strukturkante the transferring needle has an overlap. By covering the hook tip of the accepting needle with the containment edge of the transferring needle, the loop is trapped in the hook space of the receiving needle. The hook of the receiving needle grips the mesh as much as possible and in a position in which the hook tip is located above the mesh.

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

Claims (7)

  1. Aiguille de report pour des métiers à tricoter rectilignes, comprenant au moins deux fontures opposées ayant un bec (13) d'aiguille pouvant être fermé par un clapet (15) ou par un poussoir, une tige (12) d'aiguille qui s'y raccorde et qui s'élargit vers le corps (11) de l'aiguille avec formation d'une poitrinière (111) d'aiguille, caractérisée en ce qu'elle a, sur son côté supérieur avant la poitrinière (111) d'aiguille, une surélévation (129, 229, 329, 429) sensiblement triangulaire, dont la pointe forme un bord (126, 226, 326, 426) de cueillage et qui forme ensemble avec la poitrinière (111) d'aiguille une zone (128) de transfert de maille.
  2. Aiguille de report suivant la revendication 1, caractérisée en ce que le bord (126, 226, 326, 426) de cueillage se trouve à l'endroit où se trouve lors du report de maille la pointe (133') du bec de l'aiguille (1') de prise en charge, lorsque le côté intérieur tourné vers l'arrière du bec (13') de cette aiguille (1') se trouve à recouvrement avec la poitrinière (111) de l'aiguille (1) de transfert.
  3. Aiguille de report suivant la revendication 1 ou 2, caractérisée en ce que la surélévation (129, 229, 329, 429) triangulaire a, dans la direction de la poitrinière (111) d'aiguille, un biseau (127), dont l'inclinaison (W2) est choisie de manière à obtenir entre elle et la poitrinière (111) d'aiguille une zone (128) de transfert de maille suffisamment grande et de manière à ce que la maille (5) à reporter puisse glisser facilement sur le bord (126, 226, 326, 426) de cueillage en s'en écartant.
  4. Aiguille de report suivant l'une des revendications 1 à 3, caractérisée en ce que la surélévation (129, 229, 329, 429) triangulaire a, dans la direction des becs (13) d'aiguille, un biseau (125), dont l'inclinaison (W1) est plus petite que l'inclinaison (W2) du biseau (127) et qui est déterminée par les vitesses de retrait différentes des aiguilles (1, 1') de transfert et de prise en charge.
  5. Aiguille de report suivant la revendication 3 ou 4, caractérisée en ce que le bord (126, 226, 326, 426) de cueillage et les transitions des biseaux (125, 127) sont arrondis vers la tige (12) d'aiguille.
  6. Procédé de report de maille sur un métier à tricoter rectiligne, comprenant au moins deux fontures opposées, qui sont équipées d'aiguilles de report suivant l'une des revendications 1 à 5, caractérisé par les stades :
    - extraction de l'aiguille (1) de transfert jusqu'à ce que la maille (5) à reporter se trouve dans la zone (128) de transfert de maille entre la poitrinière (111) d'aiguille et la surélévation (129, 229, 329, 429) triangulaire de la tige (12) d'aiguille ;
    - extraction de l'aiguille (1') de prise en charge jusqu'à ce que son bec (13') soit séparé par la maille (5) à reporter ;
    - retrait des aiguilles (1, 1') de transfert et de prise en charge, de manière à ce que le côté (121') intérieur dirigé vers l'arrière du bec (13') de l'aiguille (1') de prise en charge vienne à recouvrement avec la poitrinière (111) de l'aiguille (1) de transfert, la pointe (133') du bec (13') de l'aiguille (1') de prise en charge recouvrant le bord (126, 226, 326, 426) de cueillage de l'aiguille (1) de transfert et la maille (5) à reporter étant ainsi incluse dans la zone (128) de transfert de maille ;
    - retrait supplémentaire des aiguilles (1, 1') de transfert et de prise en charge, la maille (5) à reporter étant déplacée sur le biseau (125) sur le bord (126, 226, 326, 426) de cueillage et, en outre, sur le clapet (15) fermé et sur le bec (13) de l'aiguille (1) de transfert, la maille (5) à reporter restant toujours enfermée entre le bec (13') de l'aiguille (1) jusqu'à ce que la maille (5) à reporter ait quitté l'aiguille (1) de transfert et ne pende plus que dans le bec (13') de l'aiguille (1') de prise en charge.
  7. Procédé suivant la revendication 6, caractérisé en ce que les mouvements de retrait des aiguilles (1, 1') de transfert et de prise en charge sont effectués simultanément et/ou en alternance, de manière à ce que la pointe (133') du bec (13') de l'aiguille (1') de prise en charge enjambe toujours l'aiguille (1) de transfert du bord (126, 226, 326, 426) de cueillage jusqu'à ce que la pointe de l'aiguille (1) de transfert soit atteinte et qu'ainsi la maille (5) à reporter soit maintenue enfermée dans l'espace compris entre le bec (13') de l'aiguille (1') de prise en charge et de l'aiguille (1) de transfert.
EP05018558.6A 2005-08-26 2005-08-26 Méthode pour le transfert de maille Active EP1757721B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05018558.6A EP1757721B2 (fr) 2005-08-26 2005-08-26 Méthode pour le transfert de maille
CNA2006101219191A CN1920148A (zh) 2005-08-26 2006-08-28 移圈织针和线圈的移圈方法
CN201310141875.9A CN103320962B (zh) 2005-08-26 2006-08-28 移圈织针和线圈的移圈方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05018558.6A EP1757721B2 (fr) 2005-08-26 2005-08-26 Méthode pour le transfert de maille

Publications (3)

Publication Number Publication Date
EP1757721A1 EP1757721A1 (fr) 2007-02-28
EP1757721B1 true EP1757721B1 (fr) 2011-08-17
EP1757721B2 EP1757721B2 (fr) 2015-12-30

Family

ID=35833553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05018558.6A Active EP1757721B2 (fr) 2005-08-26 2005-08-26 Méthode pour le transfert de maille

Country Status (2)

Country Link
EP (1) EP1757721B2 (fr)
CN (2) CN103320962B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106868699A (zh) * 2017-04-21 2017-06-20 陈仲纪 一种移圈织针
CN106987994A (zh) * 2017-06-05 2017-07-28 陈仲纪 一种弧形走针轨道的提花走针结构及走针方法
CN111286863A (zh) * 2020-01-14 2020-06-16 冯加林 一种织针

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292940A (en) * 1940-02-13 1942-08-11 Wildt & Co Ltd Loop transferring instrument for knitting machines
US2667770A (en) * 1950-08-23 1954-02-02 Ordnance Gauge Company Transfer needle for knitting machines
US2953914A (en) * 1950-08-23 1960-09-27 Rudolph E Zerumeith Stitch-transfer needle for knitting machines
GB1249976A (en) † 1967-11-25 1971-10-13 Cotton Ltd W A method and machine for producing rib and non-rib knitted fabric
ES256197Y (es) † 1981-01-27 1982-04-16 Aguja de transferencia de malla para maquinas de generos de punto
EP0103033A1 (fr) † 1982-09-09 1984-03-21 COMET MARTINELLI S.r.l. Dispositif pour reporter des mailles d'aiguilles à des métiers rectilignes
DE3629334A1 (de) * 1986-08-28 1988-03-10 Stoll & Co H Flachstrickmaschine
GB9418473D0 (en) * 1994-09-14 1994-11-02 Everett John Improvements in or relating to a flat or V-bed knitting machine
US6047569A (en) * 1997-05-27 2000-04-11 Shima Seiki Manufacturing, Ltd. Method for holding a stitch loop
CN2333724Y (zh) * 1998-09-17 1999-08-18 杨知新 编织机用的织针
FR2821093B1 (fr) † 2001-02-20 2003-05-09 Steiger S A C Atel Const Aiguille a coulisse pour machine a tricoter
CN2618930Y (zh) * 2003-04-24 2004-06-02 骏隆机械有限公司 纬编圆形针织机的舌针

Also Published As

Publication number Publication date
CN103320962A (zh) 2013-09-25
CN1920148A (zh) 2007-02-28
EP1757721B2 (fr) 2015-12-30
EP1757721A1 (fr) 2007-02-28
CN103320962B (zh) 2015-02-25

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