EP1039003B1 - Aiguille à coulisse double - Google Patents

Aiguille à coulisse double Download PDF

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Publication number
EP1039003B1
EP1039003B1 EP00105151A EP00105151A EP1039003B1 EP 1039003 B1 EP1039003 B1 EP 1039003B1 EP 00105151 A EP00105151 A EP 00105151A EP 00105151 A EP00105151 A EP 00105151A EP 1039003 B1 EP1039003 B1 EP 1039003B1
Authority
EP
European Patent Office
Prior art keywords
slider
slide
hook
parts
slot
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
EP00105151A
Other languages
German (de)
English (en)
Other versions
EP1039003A1 (fr
Inventor
Bernhard Schuler
Klaus Ruoff
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
Shima Seiki Mfg Ltd
Original Assignee
Groz Beckert KG
Shima Seiki Mfg Ltd
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 Groz Beckert KG, Shima Seiki Mfg Ltd filed Critical Groz Beckert KG
Publication of EP1039003A1 publication Critical patent/EP1039003A1/fr
Application granted granted Critical
Publication of EP1039003B1 publication Critical patent/EP1039003B1/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
    • 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
    • D04B35/06—Sliding-tongue needles

Definitions

  • the invention relates to a slide needle, in particular for use in stitch-forming textile machines.
  • Stitch-forming textile machines must have the desired ones Form stitches with the highest reliability. To step even a few malfunctions is the quality of the manufactured textiles immediately impermissible.
  • the stitch formation must be done at high speed run to make textile fabrics rational to be able to manufacture. The stitch formation process is allowed not go through despite the high speed Interferences are affected, as they result from changing Thread tensile forces, for example as a result of desired patterns, uneven thread thicknesses or other influences can originate.
  • the needles should be one if possible subject to low wear, i.e. reliable in the long run work. In this way, maintenance and Limit downtimes to a not too large extent.
  • the slide needle according to the invention has a divided one or slotted slider.
  • This slider is usually by two or more slide parts educated. Embodiments are also possible in which this slide is formed from a slotted part becomes.
  • the sliding parts or separated by a gap Areas of the slide are in the installed state of each other spring biased away. Not only do they spring the leg forming the funnel, but beyond also parts or areas adjoining the funnel. This is due to a resilient lateral bulge the slide parts reached that fixed elsewhere interconnected or integrally formed with each other could be. In the one following the funnel Area, however, they are not interconnected, to spring freely away from each other.
  • the curvature of the Both slide parts are designed so that the immediately following the funnel of the slide Areas of the two slide parts on the flanks of the slider slot. The resulting right and left attachment point form management or storage points for the slider and center it.
  • the management and storage points are by the appropriate Bend the slide parts very close to that arranged free end of the slide.
  • the slider is in Closed position, then the areas of the Slider, which form the attachment points, in the area of At the beginning of the slide slot. They are arranged in such a way that when the slider is in the transfer position, i.e. about the hook is pushed out, at least in sections come out of the slide slot.
  • the areas of the slide that form the contact points the beginning of the slot when the slide is in the tee position. preferably, however, these areas reach the beginning of the slot already in the closed position of the slide.
  • the narrow funnel enables the safe Slip the stitches over the hook when knocking what like the safe opening and closing of the slide Functional safety serves.
  • a smaller one Funnel allows the slide to run with little friction in the slide slot, especially when the funnel when the slide is pulled back into the slide slot entry. This in turn enables the slider slot to be interpreted relatively narrowly, i.e. that between the slider and to minimize existing channel play. A little Play in turn increases the positioning security and thus the functional safety of the slide needle.
  • the slide Due to the bend of the slide parts according to the invention the slide is centered in the slide slot, i.e. guided in the middle.
  • the slide stands with its two Slider parts with both flanks of the slider slot in Investment.
  • the system is localized and defined. When the slide moves back and forth during the work of the slide needle both flanks of the slider slot continuously stripped. Dirt deposits are avoided and the Slider slot is kept clean. This also comes Functional safety of the slide needle benefits.
  • the two slide parts are preferably symmetrical trained to each other and are at the end or At the bottom of the funnel. This leads to the subsequent bulged sections of the To a certain extent support slide parts against each other twice, namely at the end of the funnel and at a lower one in the Slider slot lying point. This will make it sufficient Spring forces even with slight initial bends the slide parts reached. In addition, the slide parts be very thin.
  • the desired lateral deflection of the slide parts can be achieved by a single bend if necessary, which is located close to the funnel.
  • the bending point roughly determines the management and storage location on Start of the slide slot.
  • Embodiment are two on each slide part Bends provided at a certain distance are arranged to each other. So it forms lateral bulge with a flat on the slide part out. The contact between the slide part and the flank of the slider slot becomes rather flat, causing wear on the slide due to material abrasion is reduced.
  • Another advantage of the embodiment with two Bending points for forming the deflection according to the invention is that the slider is beyond the hook be pushed into a transfer position (stitch transfer) can, without the two slide parts being too far spread apart.
  • the guidance of the protruding from the slide slot Slider tele is preferably in all positions the slide, i.e. both in open position and in Closed position, tee position or closed position or essentially at the beginning of the Slide slot. This way the length of the over the bearing part of the slide projecting freely minimized, which improved precision and thus increased Functional reliability enables.
  • the slider slot is narrow and is less than 3 times Material thickness of one of the slide parts. The side possible resilient deflection of the funnel, which by the two slide parts is formed, it becomes small held.
  • a slide needle 1 is illustrated in FIG. 1, the one shaft 2 with an end formed thereon Has hook 4.
  • the tip 5 is in the Usually arranged on a plane of symmetry of the shaft 2. If necessary, the slide needle 1 can also be cranked sideways, be angled or curved.
  • the shaft 2 contains a slider slot 6, which of two diaphragm walls 7, 8 is limited.
  • the diaphragm walls 7, 8 have spaced parallel planes trained inner surfaces 9, 10 on the flanks of the Form slide slot 6.
  • the slide slot 6 starts its side facing the hook 4 flat out by the height of the diaphragm walls 7, 8 reduced to zero.
  • the beginning of the slot 11 is in the area in which the diaphragm walls 7, 8 one for guiding one in the Slider slot 6 arranged slider 12 sufficient Have reached height. This amount is at the latest one Transition point 14 reached, from which the height the slit walls 7, 8 along the shaft 2 initially unchanged remains. Is one for guiding the slide 12 has reached sufficient height earlier, this can Place viewed as the beginning 11 of the slide slot 6 become.
  • the slide is formed from two slide parts 35, 15 which with respect to the The plane of symmetry of the shaft 2 is symmetrical to one another are. They are illustrated separately in FIG. 6, the or the slide member 35 again in Figure 7 is shown. Because of the symmetry of the two Slide parts 35, 15, the following description applies of the slide part 35 correspondingly for the or the slide part 15th
  • the slide member 35 is from seen concave on the outside, the bend about one Circular arc follows.
  • the slide parts form 35, 15 an open end of two legs 19, 20 limited funnel 17 which, as illustrated in FIG. 1 or 3, facing the tip 5 of the hook 4 and for it is set up the hook 4 or at least his Pick up tip 5.
  • Specifying the funnel 17 Sections or legs 19, 20 of the slide parts 35, 15 rest against each other at a contact point 18. From here starting from the legs extend 19, 20 of the two Slider parts 35, 15 away from each other up to one Funnel opening width, which is about the diameter of the top 5 of the hook 4 corresponds. This is particularly from figure 3 showing the closed position of the slide needle 1 can be seen in which the free ends of the legs 19, 20th stand immediately at or in front of the tip 5.
  • Section 23 and Area 25 form an obtuse angle with each other. Preferably this angle is slightly larger than the angle at the Bending point 22.
  • Slider parts 35, 15 the greatest distance from each other preferably at the bending point 24. Also at the bending point 22 is, however, the distance between the outside of the Slider parts 35, 15 larger than the width of the slider slot 6.
  • the slide parts 35, 15 spring due to the Bend in one of the funnel 17 and the contact point 18 adjacent area away from each other and in Funnel area towards each other.
  • the slide needle 1 described so far works as follows:
  • the Slide needle 1 While operating a stitch-forming machine, in which the needle 1 is used, the Slide needle 1 moves along its longitudinal axis. Thereon the slide 12 is moved longitudinally, i.e. by doing Slider slot 6 moved. From that illustrated in Figure 3 For example, it is in the closed position Tee off position shifted according to Figure 4. The slide 12 keeps itself centered in the slide slot 6 and the Legs 19, 20 of the funnel 17 move laterally over the Tip 5 and thus close the hook 4. Because of the The legs are at a small opening width of the funnel 17 19, 20 close to the hook 4 and are laterally from this hardly off. The result is a smooth outer contour, can easily slide over the stitches or knocked off become.
  • the slide needle 1 By advancing the slider 12 in relation on the hook 4, the slide needle 1 can be in the transfer position be transferred, as illustrated in Figure 2 is.
  • the slide parts 35, 15 move laterally on the Hook 4 over and are spread apart. Due to the extend through the bending points 22, 24 predetermined bend the areas 23 protruding beyond the hook 4 the slide parts 35, 15 approximately parallel to each other from the Hook 4 away.
  • the slide 12 is guided by the Interplay of investment points at the beginning 11 of the Slider slot 6 and the lateral contact of the slide parts 35, 15 given on the hook 4.
  • the slide 12 can be illustrated in FIG. 5 Withdrawal position to be postponed.
  • the Legs 19, 20 enter the slider slot 6. Because of the small opening width of the funnel 17, the Distance between the slide parts 35, 15 at the bending point 22 does not or only slightly exceeds, is the friction of the Ends of the legs 19, 20 on the flanks 9, 10 small. This has a wear-reducing effect and the slide runs as a result easily in the slider slot.
  • FIG. 8 A modified embodiment of the invention Slider needle 1 is illustrated in Figures 8 to 13. As far as the same or functionally identical parts are present, the reference numerals of the above Description used without a separate explanation. Because of The construction and functional description is based on the above Executions referenced.
  • the slide needle 1 points the funnel defined between the legs 19, 20 17 a width that is little or no greater than the diameter of the tip 5 of the hook 4.
  • the small distance between the bearing point 14 and the tip 5 of the hook 4 ensures centering.
  • the opening width of the funnel 17 is essential less than with previously used needles split or slotted slider. Therefore the Funnel when moving into the slider slot is essential be less compressed. This will kick the funnel 17 with little friction into the slider slot 6 a.
  • a slide needle 1 has one of two resilient Slider parts 35, 15 formed slider 12 on in a slide slot 6 of the slide needle 1 is slidably mounted.
  • the slide parts 35, 15 are arched or bent away from each other, the curvature is arranged close to the free end of the slide.
  • the Distance between one end of the slide part 35 or 15 up to a first bending point 22 agrees approximately the distance between the tip 5 of the hook 4 and the Beginning 11 of the slide slot 6 match. It will possible the distance between bent away from each other Legs 19, 20 of the slide parts 35, 15, one Form funnel 17 for receiving the tip 5 of the hook 4 are supposed to be kept very low. Both through the special Bend improved guidance of the slide 12 than also the only slight expansion of the funnel 17 increase the functional reliability and service life of the slide needle 1.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (10)

  1. Aiguille à coulisse (1) pour machines textiles à formation de mailles,
    avec un corps d'aiguille, dont la tige (2) porte à une extrémité un crochet (4) pourvu d'une pointe (4) et présente une fente à coulisse (6), dont le début est situé en regard du côté ouvert du crochet (4), qui présente deux flancs (9, 10) mutuellement parallèles et s'étend dans la direction opposée au crochet (4),
    avec une coulisse (12), qui comprend au moins deux éléments de coulisse (35, 15), se déplace longitudinalement dans la fente à coulisse (6) et dont l'extrémité libre, dans une position de fermeture, est située dans le voisinage immédiat de la pointe (5) du crochet (4),
    les éléments de coulisse (35, 15), avec leurs bras (19, 20) libres orientés en direction du crochet (4), étant cintrés dans des directions opposées aux fins de former un entonnoir (17) ouvert en direction du crochet (4),
    caractérisée en ce que
    les éléments de coulisse (35, 15), à la suite de l'entonnoir (17), sont cintrés dans des directions opposées, de telle sorte que les éléments de coulisse (35, 15), localement, prennent appui élastiquement en des points de contact sur les flancs (9, 10) de la fente à coulisse (6), le pliage étant choisi de telle sorte que les points d'appui soient situés dans le voisinage du début (11) de la fente à coulisse (6) lorsque la coulisse (12) est amenée dans la position de fermeture.
  2. Aiguille à coulisse selon la revendication 1, caractérisée en ce que les éléments de coulisse (35, 15) sont mutuellement symétriques et sont appliqués l'un contre l'autre à l'extrémité de l'entonnoir (17).
  3. Aiguille à coulisse selon la revendication 1, caractérisée en ce que le cintrage de l'élément de coulisse (35, 15) concerné est obtenu par au moins un point de pliage (22), au niveau duquel des parties voisines de l'élément de coulisse (35, 15) forment entre elles un angle obtus.
  4. Aiguille à coulisse selon la revendication 1, caractérisée en ce que le cintrage de l'élément de coulisse concerné est obtenu par un point de pliage (22) unique, au niveau duquel des parties voisines de l'élément de coulisse (35, 15) forment entre elles un angle obtus.
  5. Aiguille à coulisse selon la revendication 1, caractérisée en ce que le cintrage de l'élément de coulisse (35, 15) concerné est obtenu par seulement deux points de pliage (22, 24), au niveau desquels des parties voisines de l'élément de coulisse (35, 15) forment entre elles un angle obtus.
  6. Aiguille à coulisse selon la revendication 1, caractérisée en ce que la coulisse (12) peut être amenée dans une position de dépointage, dans laquelle les bras (19, 20) formant l'entonnoir (17) de la coulisse (12) sont glissés sur la pointe (5) du crochet (4).
  7. Aiguille à coulisse selon la revendication 6, caractérisée en ce que le point de contact de la coulisse (12), dans la position de dépointage, est situé au début (11) de la fente à coulisse (6).
  8. Aiguille à coulisse selon la revendication 1, caractérisée en ce que la pointe de crochet (5) est légèrement arrondie et en ce que l'entonnoir (17) formé par la coulisse (12) présente une largeur d'ouverture qui est sensiblement égale à un rayon d'arrondi déterminé par la pointe (5).
  9. Aiguille à coulisse selon la revendication 1 ou 5, caractérisée en ce que la coulisse (12) peut être amenée dans une position de report, dans laquelle les deux éléments de coulisse (35, 15) s'étendent latéralement au-delà du crochet (4), et en ce que la courbure des éléments de coulisse (35, 15) est telle que lesdits éléments de coulisse (35, 15) s'étendent au-delà du crochet (4) en étant essentiellement mutuellement parallèles.
  10. Aiguille à coulisse selon la revendication 1, caractérisée en ce que les portions des éléments de coulisse (35, 15) de la coulisse (12) qui, dans la position de fermeture, forment les points d'appui, sont situées en dehors de la fente à coulisse (6) lorsque la coulisse (12) est amenée dans la position de report.
EP00105151A 1999-03-26 2000-03-10 Aiguille à coulisse double Expired - Lifetime EP1039003B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19913822A DE19913822C2 (de) 1999-03-26 1999-03-26 Schiebernadel mit geteiltem Schieber
DE19913822 1999-03-26

Publications (2)

Publication Number Publication Date
EP1039003A1 EP1039003A1 (fr) 2000-09-27
EP1039003B1 true EP1039003B1 (fr) 2003-05-07

Family

ID=7902560

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105151A Expired - Lifetime EP1039003B1 (fr) 1999-03-26 2000-03-10 Aiguille à coulisse double

Country Status (5)

Country Link
US (1) US6233977B1 (fr)
EP (1) EP1039003B1 (fr)
JP (1) JP3232075B2 (fr)
DE (2) DE19913822C2 (fr)
ES (1) ES2198241T3 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178141B1 (fr) * 1999-04-15 2007-11-28 Shima Seiki Mfg., Ltd Aiguille composite de machine a tricoter
TW477845B (en) * 1999-10-27 2002-03-01 Shima Seiki Mfg Guide mechanism of knitting member and compound needle assembling the guide mechanism therein
TW528822B (en) * 1999-10-27 2003-04-21 Shima Seiki Mfg Compound needle
FR2821093B1 (fr) * 2001-02-20 2003-05-09 Steiger S A C Atel Const Aiguille a coulisse pour machine a tricoter
DE10130364C1 (de) * 2001-06-23 2003-02-13 Groz Beckert Kg Schiebernadel
DE10130365C1 (de) 2001-06-23 2003-01-23 Groz Beckert Kg Schiebernadel mit verbessertem Schieber
ITMI20012095A1 (it) * 2001-10-10 2003-04-10 Protti Fashiontronix S P A In Ago composito particolarmente per macchine rettilinee per maglieria
DE10150684C1 (de) * 2001-10-17 2003-04-24 Groz Beckert Kg Platine für das Spitzenschließen von Strümpfen
DE10227533C1 (de) * 2002-06-20 2003-12-11 Groz Beckert Kg Nadel mit Umhängefeder
US7152437B2 (en) * 2002-12-20 2006-12-26 Shima Seiki Manufacturing, Ltd. Compound needle
EP2096200B1 (fr) * 2008-02-27 2011-06-08 Groz-Beckert KG Aiguille de transfer avec pointe de ressort installée à l'intérieur
EP2305868B1 (fr) * 2009-09-30 2012-11-21 Groz-Beckert KG Aiguille à coulisse divisée par une cloison centrale
JP5525344B2 (ja) 2010-06-18 2014-06-18 株式会社島精機製作所 横編機の複合針
PT2581480T (pt) * 2011-10-12 2018-07-04 Groz Beckert Kg Agulha deslizante com cursor melhorado
JP5875347B2 (ja) * 2011-11-30 2016-03-02 株式会社島精機製作所 横編機の複合針
DE102013105239A1 (de) * 2013-05-22 2014-11-27 Groz-Beckert Kg Schiebernadel
DE102015105648A1 (de) * 2015-04-14 2016-10-20 Groz-Beckert Kg Schieberfeder, Schieber, Schiebernadel, Führungsanordnung und Verfahren zum Herstellen wenigstens einer Schieberfeder
EP3670725A1 (fr) * 2018-12-21 2020-06-24 Ulrich Hofmann Aiguille de formation de mailles sur un métier à tricoter ou un métier à mailles jetées et métier à tricoter ou métier à mailles jetées doté d'une pluralité de telles aiguilles
CN109706615B (zh) * 2019-02-28 2023-09-29 宁波慈星股份有限公司 一种横机中的复合针

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1673634A (en) * 1927-05-25 1928-06-12 Scott & Williams Inc Knitting-machine needle
GB1108527A (en) * 1966-03-05 1968-04-03 Monk Sutton In Ashfield Ltd Sa Improvements in or relating to straight-bar knitting machines and to needles therefor
US3584481A (en) * 1969-03-06 1971-06-15 Teihichi Kayashi Knitting needle for transferring stitches
DD114840A1 (fr) * 1974-09-04 1975-08-20
DE4430705A1 (de) * 1994-08-30 1996-03-07 Scheller Gmbh Strickmaschine
US5937673A (en) * 1997-05-01 1999-08-17 Shima Seiki Manufacturing, Ltd. Compound needle of a flat knitting machine
US6047569A (en) * 1997-05-27 2000-04-11 Shima Seiki Manufacturing, Ltd. Method for holding a stitch loop

Also Published As

Publication number Publication date
DE50002038D1 (de) 2003-06-12
JP2000282353A (ja) 2000-10-10
ES2198241T3 (es) 2004-02-01
DE19913822A1 (de) 2000-09-28
DE19913822C2 (de) 2001-02-22
US6233977B1 (en) 2001-05-22
EP1039003A1 (fr) 2000-09-27
JP3232075B2 (ja) 2001-11-26

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