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EP0725850B2 - Dispositif d'amenee du fil pour machines textiles - Google Patents
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EP0725850B2 - Dispositif d'amenee du fil pour machines textiles - Google Patents

Dispositif d'amenee du fil pour machines textiles Download PDF

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Publication number
EP0725850B2
EP0725850B2 EP94930931A EP94930931A EP0725850B2 EP 0725850 B2 EP0725850 B2 EP 0725850B2 EP 94930931 A EP94930931 A EP 94930931A EP 94930931 A EP94930931 A EP 94930931A EP 0725850 B2 EP0725850 B2 EP 0725850B2
Authority
EP
European Patent Office
Prior art keywords
braking surface
feeding device
thin
storage body
constructed
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
EP94930931A
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German (de)
English (en)
Other versions
EP0725850B1 (fr
EP0725850A1 (fr
Inventor
Heinrich Fabschitz
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Individual
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Individual
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6501361&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0725850(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0725850A1 publication Critical patent/EP0725850A1/fr
Publication of EP0725850B1 publication Critical patent/EP0725850B1/fr
Application granted granted Critical
Publication of EP0725850B2 publication Critical patent/EP0725850B2/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
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • 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
    • D04B15/38—Devices for supplying, feeding, or guiding threads to needles
    • D04B15/48—Thread-feeding devices
    • D04B15/482—Thread-feeding devices comprising a rotatable or stationary intermediate storage drum from which the thread is axially and intermittently pulled off; Devices which can be switched between positive feed and intermittent feed

Definitions

  • the invention relates to a thread storage and delivery device for textile machines with primarily irregular Thread consumption, such as knitting and knitting machines the patterns, jacquard, curling, plating, commute and e.g. are semi or fully plushable, with one that loosely promotes the thread by one Motor driven storage body on which the thread to form a storage supply wrap tangentially - and depending on the badarf between its as Braking surface trained end face and one in same counter-rotating surface axially rotating
  • the counter braking surface is in axial Direction in relation to the accumulator brake surface adjustable to vary the thread take-up tension can.
  • a genus of known devices of this Art basically has the disadvantage that the dated Storage body thread pulled off in the axial direction by any ring-shaped, loose on the storage body seated arrangement (metal ring, plastic ring, comb-like plastic ring, brushes and the like Taking off or flying away from the storage body prevented will, however, the desired one and for a correct one Knitting process required thread take-off tension (inlet tension of the thread on the respective knitting system on the machine) the thread, although with much lower tension from the storage body than the storage body is fed for the final and most importantly knitted Inlet tension on the knitting machine system then an additional thread brake between the Storage device and the knitting machine.
  • the object of the invention is therefore a thread store - And delivery device of the above To create genus which the desired Features, is simple in structure and function and also in all areas of application intended for this works reliably.
  • the thread to be processed (3) is on a rotatably mounted, slip-free conveyor Storage body (9) to form a supply reel tangentially wound and then axially (depending on Requirement) between the braking surface (9 ') Face and one rotating in the same direction and axially displaceably mounted counter braking surface deducted.
  • thin, flexible disc (10) is formed.
  • This disc is used to make a more even one Contact pressure on each point of the front To reach the braking surface (9 ') of the storage body and that the thread through more or less strong Contact pressure more or less clamped i.e. decelerated is so that the thread take-off tension in wide Ranges is infinitely adjustable the thread prevented from flying away and an untwisting of the storage wrap prevented.
  • the thread is over the center of the disc (10), which has a wear-free feedthrough (25), withdrawn; the disc sits on a hub (13), which in turn is applied to a hollow shaft (17).
  • the entire structure is centric and flat in both Levels to the storage body or its front Braking surface (9 '), rotatable and displaceable in parallel, stored.
  • the thread guide means assigned to the storage body (5, 6, 7,) advantageous fixed with the device chassis (2) are therefore connected to the function block with the Counter braking surface preferably on one in the Slidable longitudinal axis of the storage body Carriage (26) mounted.
  • the purpose of this invention is, among others, practically everyone required value at standstill or during Set knitting machine effortlessly can, as well as this for a certain type of yarn once to hold the set value over long periods of time and this even after a change in the meantime another value to be able to reproduce again.
  • the disc (10) of the counter braking surface and the associated functional parts are understandable Establish an annular cover (33) protected against accidental contact at the same time extremely effectively prevents unwanted Winding the thread on the shaft of the Disc (10) of the counter braking surface, should be from which Whatever the reason, the wrap from the storage body falling, triggered e.g. due to one too low thread take-off value, so that the last thread turns of the storage reel (8) due the centrifugal forces and also the air resistance lift off the accumulator (9) at higher speeds, and the annoying and often mentioned thread balloon effect otherwise would occur.
  • the device according to the invention works like follows: Before starting the knitting machine, the device Switch off with switch (24). The thread to be processed (3) is through the eyelet (5), the thread brake (6), the eyelet (7) is threaded and then across the front of the storage body (9 ') and the disc (10) Counter braking surface over the center of the wear-free Implementation (25), approximately in the rear third The thread is pushed using a threading aid pulled through the hollow shaft (17) and to the designated Knitting point of the machine It is winding up a storage supply roll (8) advantageous if both on the thread infeed and outfeed side a small loop and a slightly higher one Clamping effect of the two braking surfaces is present.
  • Figures 1 and 2 show the overall view Device once with and once without various housing covers and from the side.
  • This kind of Device is usually by means of a bracket (1) on a handrail, which is common Has space for several devices and which in turn attached to the knitting machine nearby the knitting point to be supplied.
  • Storage wrap is axially between the Storage body end face (9 ') and the thin, flexible Disc (10) trained counter braking surface passed and more or less depending on the contact pressure clamped and over their ceramic eyelet (25) and the central hollow shaft (17), withdrawn from the outside.
  • Figure 2 is also the sliding carriage (26), on which in this embodiment the motor (14) for driving the formed as a thin, flexible disc (10) Counter braking surface is attached, visible. Turn the adjusting knob (18) over the threaded rod (16), the carriage depending on the position on the Chassis (2), ultimately the disc (10) Counter braking surface more or less on the front Braking surface (9 ') of the memory body (9) pressed.
  • Figure 5 finally shows a variant with only one drive motor, the disc (10) the counter braking surface via gear wheels (34, 34 ', 34' ', 34 '' '), driven by the motor (4) of the storage body (9) becomes.
  • Moving the disc of the counter braking surface is here instead of with a sled an adjusting screw (35) in which the hollow shaft (17) is stored.
  • the counter-braking surface designed as a circular, thin, flexible disc (10) can be driven directly by a speed-controlled / frequency-controlled electric motor (14) become.
  • the counter-brake surface designed as a circular, thin, flexible disc (10) can also indirectly via a gearbox from a speed-controlled and / or frequency-controlled one Electric motor are driven.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Looms (AREA)
  • Forwarding And Storing Of Filamentary Material (AREA)

Claims (16)

  1. Dispositif d'amenée de fil pour machines textiles façonnant un fil, en particulier pour machine à tricoter et métier à tricot à consommation de fil irrégulière, comprenant un corps de réserve (9) monté tournant, transportant le fil (3) pratiquement sans glissement, couplé directement ou indirectement à un moteur (4, 14) qui l'entraíne, et le fil (3) enroulé tangentiellement par le corps de réserve (8) et ensuite extrait en tête c'est-à-dire axialement est guidé pour passer entre la face frontale réalisée en tant que surface de freinage (9') du corps de réserve et une contre-surface de freinage (10) tournant dans le même sens que le corps de réserve et mobile en direction axiale par l'intermédiaire de son support, de telle sorte que le fil (3) est plus ou moins serré c'est-à-dire freiné par une pression d'appui plus ou moins forte, de sorte que la tension d'extraction du fil est réglable de manière continue dans des gammes étendues,
    caractérisé en ce que la contre-surface de freinage (10) est réalisée sous forme d'un disque circulaire mince flexible (10) d'un diamètre un peu plus grand que celui de la face frontale du corps de réserve, et il est fait appel à l'élasticité de ce disque pour obtenir une pression d'appui uniforme sur chaque point de la surface de freinage (9') du corps de réserve (9), et qu'en même temps on s'oppose à ce que le fil (3) s'échappe et on empêche un dévrillage de l'enroulement de réserve (8).
  2. Dispositif d'amenée de fil selon la revendication 1, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est entraínée directement par un moteur électrique (14) à vitesse commandée/fréquence régulée.
  3. Dispositif d'amenée de fil selon l'une des revendications 1 à 2, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est entraínée indirectement par un moteur électrique à vitesse commandée et/ou à fréquence régulée, par l'intermédiaire d'engrenages.
  4. Dispositif d'amenée de fil selon l'une des revendications 1 à 3, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est entraínée indirectement par le moteur principal (4) par l'intermédiaire de roues dentées (34, 34', 34'', 34''').
  5. Dispositif d'amenée de fil selon l'une des revendications 1 à 4, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est formée essentiellement en un matériau résistant à l'usure tel qu'une matière plastique mince flexible ou une tôle métallique.
  6. Dispositif d'amenée de fil selon l'une des revendications 1 à 5, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) présente un revêtement résistant à l'usure sur sa face toumée vers la surface de freinage du corps de réserve (9').
  7. Dispositif d'amenée de fil selon l'une des revendications 1 à 6, caractérisé en ce que l'arbre pour l'entraínement de la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est un arbre creux (17).
  8. Dispositif d'amenée de fil selon la revendication 7, caractérisé en ce que le fil (3) et la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) sont respectivement guidée et extrait par l'arbre creux (17).
  9. Dispositif d'amenée de fil selon l'une des revendications 7 ou 8, caractérisé en ce que les arbres creux (17 et 17a) sont les arbres menants de moteurs électriques (14, 4).
  10. Dispositif d'amenée de fil selon l'une des revendications 1 à 9, caractérisé en ce que la surface de freinage frontale (9') du corps de réserve (9) est alignée en direction axiale avec la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10), c'est-à-dire que leurs centres sont situés sur une ligne.
  11. Dispositif d'amenée de fil selon l'une des revendications 1 à 10, caractérisé en ce que la surface de freinage frontale (9') du corps de réserve (9) peut être déplacée dans sa direction axiale, directement ou par l'intermédiaire de son support, par rapport à la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) montée sur un arbre (17).
  12. Dispositif d'amenée de fil selon la revendication 11, caractérisé en ce qu'aussi bien l'arbre (17) que la surface de freinage (9') du corps de réserve (9) sont disposés mobiles l'un par rapport à l'autre dans leur direction axiale.
  13. Dispositif d'amenée de fil selon l'une des revendication 1 à 12, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) présente en son centre un passage traversant (25) exempt d'usure.
  14. Dispositif d'amenée de fil selon l'une des revendications 1 à 13, caractérisé en ce que la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10), y compris les éléments reliés à celle-ci de manière fixe en rotation, est recouverte totalement ou partiellement par un élément annulaire (33).
  15. Dispositif d'amenée de fil selon l'une des revendications 1 à 14, caractérisé en ce que le chariot (26) disposé de manière mobile sur le châssis (2) portant, par l'intermédiaire de l'arbre creux (17), la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10) est réglable de manière sensible par des moyens de réglage associés (18) à l'aide d'un agencement à crémaillère ou à tige filetée (16) et peut être arrêté en toute position souhaitée à l'intérieur de la course totale nécessaire, pour le recouvrement du domaine de réglage nécessaire.
  16. Dispositif d'amenée de fil selon l'une des revendications 1 à 15, caractérisé en ce qu'au dispositif sont associés des moyens pour rendre visible le mouvement relatif de la contre-surface de freinage réalisée sous forme de disque circulaire mince flexible (10), montée tournante sur le chariot (26) par rapport à la surface de freinage du corps de réserve (9'), et par suite l'effet dit de freinage ou de serrage, et enfin la tension d'extraction du fil qui en résulte, par exemple à l'aide d'une aiguille (15) sur une échelle (27).
EP94930931A 1993-10-29 1994-10-25 Dispositif d'amenee du fil pour machines textiles Expired - Lifetime EP0725850B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4336994 1993-10-29
DE4336994A DE4336994C1 (de) 1993-10-29 1993-10-29 Fadenliefervorrichtung mit stufenlos einstellbarer Fadenabzugspannung
PCT/DE1994/001258 WO1995012017A1 (fr) 1993-10-29 1994-10-25 Dispositif d'amenee du fil pour machines textiles

Publications (3)

Publication Number Publication Date
EP0725850A1 EP0725850A1 (fr) 1996-08-14
EP0725850B1 EP0725850B1 (fr) 1999-01-13
EP0725850B2 true EP0725850B2 (fr) 2003-04-16

Family

ID=6501361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94930931A Expired - Lifetime EP0725850B2 (fr) 1993-10-29 1994-10-25 Dispositif d'amenee du fil pour machines textiles

Country Status (8)

Country Link
US (1) US5727746A (fr)
EP (1) EP0725850B2 (fr)
JP (1) JPH09504058A (fr)
KR (1) KR960705975A (fr)
CN (1) CN1135777A (fr)
DE (2) DE4336994C1 (fr)
ES (1) ES2126791T3 (fr)
WO (1) WO1995012017A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537215C2 (de) * 1995-10-06 1999-09-02 Memminger Iro Gmbh Fadenliefergerät für elastische Garne
DE19638618A1 (de) * 1996-09-20 1998-03-26 Iro Ab Fadenbremse
DE10318931B4 (de) * 2003-04-26 2005-10-20 Memminger Iro Gmbh Fadenliefergerät
DE102004039415A1 (de) * 2004-08-13 2006-02-23 Iro Ab Fadenverarbeitendes System und Fadenliefergerät
EP1856303B1 (fr) * 2005-03-11 2009-01-07 Bekaert Advanced Coatings Bloc simple et a angle droit
CN104073959B (zh) * 2013-03-25 2015-12-23 杨欣圃 同轴电磁补偿张力器
EP2924156B1 (fr) * 2014-03-28 2016-11-23 L.G.L. Electronics S.p.A. Dispositif de freinage de fil pour dispositifs d'alimentation en fil de stockage
JP2018080406A (ja) * 2016-11-14 2018-05-24 村田機械株式会社 紡績ユニット及び紡績機
CN106835479B (zh) * 2017-01-21 2018-10-12 慈溪市赛美格针织器材有限公司 一种输纱器的张力器
CN109704146B (zh) * 2019-03-15 2020-09-01 厦门绫亚针织机械配件有限公司 送纱器的张力调整装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419225A (en) † 1967-03-22 1968-12-31 Rosen Karl Isac Joel Device for storing yarn for the immediate need of yarn of knitting machines
JPS4893757A (fr) † 1972-03-18 1973-12-04
DE2716017B1 (de) † 1977-04-09 1978-08-31 Barmag Barmer Maschf Fadenbremse an einem Fadenspeicher

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
CH374345A (de) * 1959-12-04 1963-12-31 Sulzer Ag Webmaschine
CH394899A (it) * 1961-10-31 1965-06-30 Sobrevin Soc De Brevets Ind Et Apparecchio per la regolazione della tensione all'uscita di un filo nel passaggio dal suo svolgimento al suo avvolgimento
DE1635899B1 (de) * 1967-03-22 1970-04-30 Rosen Karl I J Fadenspeicher- und -liefervorrichtung für Textilmaschinen
US4079759A (en) * 1974-08-14 1978-03-21 Zbrojovka Vsetin, Narodni Podnik Apparatus for measuring and adjusting the length of a continuously delivered weft thread
DE2540749B2 (de) * 1975-09-12 1977-07-07 Ab Iro, Ulricehamn (Schweden) Fadenspeicher- und -liefervorrichtung
DE2542824C2 (de) * 1975-09-25 1977-11-17 Ab Iro, Ulricehamn (Schweden) Fadenliefervorrichtung
IT1087411B (it) * 1977-09-29 1985-06-04 Savio & C Spa Dispositivo per il controllo della tensione di filo svolgentesi da un corpo di supporto di filo
IT1133900B (it) * 1980-10-15 1986-07-24 Roy Electrotex Spa Mezzi per effettuare la frenatura del filato in uscita in dispositivi alimentatori di filato a tensione costante e regolabile,particolarmente per macchine tessili
DE3429219A1 (de) * 1984-08-08 1986-02-20 Sobrevin Société de brevets industriels-Etablissement, Vaduz Fadenspeicher- und liefervorrichtung
CZ281873B6 (cs) * 1990-03-12 1997-03-12 Iro Ab Brzdný systém pro nanášecí válec příze s měnitelným účinkem
IT1247886B (it) * 1991-05-03 1995-01-05 Candia Ets Fornitore di trama per telai senza navetta
IT1268111B1 (it) * 1994-10-10 1997-02-20 Lgl Electronics Spa Dispositivo di frenatura modulata positiva del filato, per apparecchi alimentatori di trama
US5546994A (en) * 1994-10-14 1996-08-20 Sobrevin Societe De Brevets Industriels-Etablissement Thread storage drum with frustoconical brake strip
JPH11504608A (ja) * 1995-05-08 1999-04-27 ファプシッツ，ハインリッヒ 糸巻き取りドラム用駆動ユニットの回転速度を制御するための装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419225A (en) † 1967-03-22 1968-12-31 Rosen Karl Isac Joel Device for storing yarn for the immediate need of yarn of knitting machines
JPS4893757A (fr) † 1972-03-18 1973-12-04
DE2716017B1 (de) † 1977-04-09 1978-08-31 Barmag Barmer Maschf Fadenbremse an einem Fadenspeicher

Also Published As

Publication number Publication date
EP0725850B1 (fr) 1999-01-13
DE59407664D1 (de) 1999-02-25
WO1995012017A1 (fr) 1995-05-04
CN1135777A (zh) 1996-11-13
ES2126791T3 (es) 1999-04-01
JPH09504058A (ja) 1997-04-22
KR960705975A (ko) 1996-11-08
DE4336994C1 (de) 1995-03-30
EP0725850A1 (fr) 1996-08-14
US5727746A (en) 1998-03-17

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