EP0498464A2 - Frein de fil à entraînement démultiplié pour le fournisseur de fil d'un métier à tricoter ou pareil - Google Patents

Frein de fil à entraînement démultiplié pour le fournisseur de fil d'un métier à tricoter ou pareil Download PDF

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Publication number
EP0498464A2
EP0498464A2 EP92102106A EP92102106A EP0498464A2 EP 0498464 A2 EP0498464 A2 EP 0498464A2 EP 92102106 A EP92102106 A EP 92102106A EP 92102106 A EP92102106 A EP 92102106A EP 0498464 A2 EP0498464 A2 EP 0498464A2
Authority
EP
European Patent Office
Prior art keywords
thread
brake
drive
winding body
axis
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
EP92102106A
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German (de)
English (en)
Other versions
EP0498464B1 (fr
EP0498464A3 (en
EP0498464B2 (fr
Inventor
Werner Schlaich
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25900869&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0498464(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19914103884 external-priority patent/DE4103884A1/de
Application filed by Individual filed Critical Individual
Publication of EP0498464A2 publication Critical patent/EP0498464A2/fr
Publication of EP0498464A3 publication Critical patent/EP0498464A3/de
Publication of EP0498464B1 publication Critical patent/EP0498464B1/fr
Application granted granted Critical
Publication of EP0498464B2 publication Critical patent/EP0498464B2/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
    • D04B15/44—Tensioning devices for individual threads

Definitions

  • the invention relates to a thread brake for the thread feeder of a knitting machine or the like. According to the preamble of claim 1.
  • a known thread brake of the generic type is mounted at a location on the feeder housing that lies after the knot catcher, usually on a fixed axis.
  • This has, for example, the shape of a deflecting bolt or pin, via which the thread is guided in its course from a supply point via a driven thread winding body to a processing point of the machine.
  • the thread brake usually consists of two brake actuators mounted on the axis mentioned, which are pressed against one another by adjustable spring pressure and between which the thread runs, namely braked in such a way that it always has the pretension desired for the thread run.
  • the thread abrasion is relatively large due to the braking pressure exerted on the thread by the brake actuators. This inevitably leads to undesirable contamination of the brake actuators, which cannot be avoided even if the brake actuators are allowed to run empty on their fixed axis.
  • a thread brake with a driven axle is already known, in which two coaxial upper plates rest on a lower plate (DE-GM 74 00 404).
  • the brake actuators of the thread brake which either consist of metal or ceramic or other suitable materials, already have so-called inlet grooves after a relatively short operating time. These are caused by the thread running through and naturally impair the actual function of the brake actuators, because it is then no longer possible to precisely adjust the braking force to be exerted on the thread by the brake actuators. In such a case, the brake actuators of the thread brake must be replaced prematurely, which also requires an unwanted stopping of the machine.
  • the invention is therefore based on the object to design the thread brake of the generic type without any significant construction and cost such that the thread abrasion is reduced and brake plate contamination is avoided, so that overall the function of the thread brake is improved and thus the operating times of the knitting machine or the like. are extended.
  • the drive for the thread brake can be designed in such a way that it is independent of the common drive for the thread winding body and can nevertheless be implemented with little material and construction effort.
  • the invention is based on the essential idea of designing the driven axis of the thread brake in such a way that the speed of the thread brake is constantly lower than that of the thread winding body.
  • Any suitable drive for example a separate stepper motor or the like, can be used as the drive for the axis.
  • the invention uses the already existing drive for the thread winding body in an incredibly simple manner.
  • the axis of the thread brake is advantageously coupled to the drive for the thread winding body via a deflection or reduction gear.
  • the configuration can be such that the axis of the thread brake is connected to an endless drive which simultaneously drives the thread brakes of the thread feeders at all work stations of the knitting machine.
  • the drive shaft of the thread winding body is coupled to a transmission axis of a deflection or reduction gear which is parallel thereto and which in turn drives the axis of the thread brake.
  • the drive connection between the drive shaft of the thread winding body and the gear axis of the thread brake then takes place, as already explained, either via a belt drive or via a gear train.
  • the thread winding body 10 which has a concavely drawn-in peripheral surface, is rotatably mounted on the underside of the feeder housing 2. For this purpose, it is connected in a rotationally fixed manner to one end of a drive shaft 11 which is rotatably mounted in the feeder housing 2, passing through it, and carries two drive wheels 12, 13 connected to it in a rotationally fixed manner on its part protruding from the upper side of the supplier housing 2. These in turn are driven by means of a drive belt 14, which is only indicated in FIG. 2.
  • This configuration ensures that the axes 17 of all the thread brakes 7 are driven together via the deflection gear 20 or their pulley 21, specifically - due to the configuration of the deflection gear 20 in the form of a reduction gear - at a lower speed than that of the thread winding body 10. This ensures a smooth transport of the thread 1 via the axis 17 of the thread brake 7, but at the same time prevents the thread 1 from becoming tangled due to the axis 17 rotating too quickly.
  • the V-belt 22, which drives the pulley 21 of the thread brake 7, is guided over a corresponding pulley 33, which is arranged between the drive wheels 12, 13 and, just like this, is rotatably connected to the drive shaft 11 of the thread winding body 10. Because of this arrangement, the drive for the thread brake 7 is thus tapped directly from the drive of the associated thread winding body 10.
  • the drive shaft 11 of the thread winding body 10 is coupled to the thread brake 7 or to the gear axis 30 of the deflection and reduction gear 20 via a gear train 34.
  • a pinion 35 is seated on the drive shaft 11 of the thread winding body 10 at a suitable point, which pinion meshes with a gear 37 fastened on an intermediate shaft 36.
  • the intermediate shaft 36 which is rotatably mounted in the feeder housing 2 at the location shown in FIG. 6 between the drive shaft 11 and the transmission axis 30, carries an intermediate pinion 38 concentrically with the intermediate gear 37, which meshes with a gear 39 arranged on the transmission axis 30 in a rotationally fixed manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Unwinding Of Filamentary Materials (AREA)
EP92102106A 1991-02-08 1992-02-07 Frein de fil à entraínement démultiplié pour le fournisseur de fil d'un métier à tricoter ou pareil Expired - Lifetime EP0498464B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4103884 1991-02-08
DE19914103884 DE4103884A1 (de) 1991-02-08 1991-02-08 Untersetzt angetriebene fadenbremse fuer den fadenzubringer einer strickmaschine o. dgl.
DE4114519A DE4114519A1 (de) 1991-02-08 1991-05-03 Untersetzt angetriebene fadenbremse fuer den fadenzubringer einer strickmaschine o. dgl.
DE4114519 1991-05-03

Publications (4)

Publication Number Publication Date
EP0498464A2 true EP0498464A2 (fr) 1992-08-12
EP0498464A3 EP0498464A3 (en) 1992-12-02
EP0498464B1 EP0498464B1 (fr) 1995-11-22
EP0498464B2 EP0498464B2 (fr) 2000-12-27

Family

ID=25900869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102106A Expired - Lifetime EP0498464B2 (fr) 1991-02-08 1992-02-07 Frein de fil à entraínement démultiplié pour le fournisseur de fil d'un métier à tricoter ou pareil

Country Status (3)

Country Link
EP (1) EP0498464B2 (fr)
DE (2) DE4114519A1 (fr)
ES (1) ES2081509T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301507A1 (de) * 1993-01-21 1994-08-11 Memminger Iro Gmbh Fadenbremse
EP0768413A1 (fr) * 1995-10-13 1997-04-16 Terrot Strickmaschinen GmbH Dispositif d'alimentation en fil pour machines textiles
CN112796024A (zh) * 2020-12-31 2021-05-14 厦门郑萌迈纺织有限公司 一种织布机用便于调节的束线结构

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH418922A (de) * 1964-12-28 1966-08-15 Zellweger Uster Ag Motorisch angetriebene Garnbremse für Spulmaschinen und dgl.
DE7400404U (de) * 1974-01-08 1974-04-11 Schlafhorst W & Co Angetriebene Fadenbremse
DE2830205A1 (de) * 1978-07-10 1980-01-24 Schlafhorst & Co W Fadenbremse
GB2026558A (en) * 1978-07-27 1980-02-06 Appalachian Electronic Instr Yarn tensioners
DE3228282A1 (de) * 1982-07-29 1984-02-09 W. Schlafhorst & Co, 4050 Mönchengladbach Aggregat von traeger und fadenspannvorrichtungen fuer ein spulengatter
US4548369A (en) * 1984-05-03 1985-10-22 Maschinenfabrik Benninger Ag Thread tensioning apparatus for warp creel
DE3528937A1 (de) * 1985-08-13 1987-02-26 Schlafhorst & Co W Rotierend angetriebene bremstelleranordnung eines fadenspanners
EP0252866A1 (fr) * 1986-06-23 1988-01-13 Jumberca, S.A. Fournisseur de fil pour machines textiles
EP0321377A1 (fr) * 1987-12-14 1989-06-21 Jumberca, S.A. Dispositif d'alimentation en fil pour des machines textiles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH418922A (de) * 1964-12-28 1966-08-15 Zellweger Uster Ag Motorisch angetriebene Garnbremse für Spulmaschinen und dgl.
DE7400404U (de) * 1974-01-08 1974-04-11 Schlafhorst W & Co Angetriebene Fadenbremse
DE2830205A1 (de) * 1978-07-10 1980-01-24 Schlafhorst & Co W Fadenbremse
GB2026558A (en) * 1978-07-27 1980-02-06 Appalachian Electronic Instr Yarn tensioners
DE3228282A1 (de) * 1982-07-29 1984-02-09 W. Schlafhorst & Co, 4050 Mönchengladbach Aggregat von traeger und fadenspannvorrichtungen fuer ein spulengatter
US4548369A (en) * 1984-05-03 1985-10-22 Maschinenfabrik Benninger Ag Thread tensioning apparatus for warp creel
DE3528937A1 (de) * 1985-08-13 1987-02-26 Schlafhorst & Co W Rotierend angetriebene bremstelleranordnung eines fadenspanners
EP0252866A1 (fr) * 1986-06-23 1988-01-13 Jumberca, S.A. Fournisseur de fil pour machines textiles
EP0321377A1 (fr) * 1987-12-14 1989-06-21 Jumberca, S.A. Dispositif d'alimentation en fil pour des machines textiles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4301507A1 (de) * 1993-01-21 1994-08-11 Memminger Iro Gmbh Fadenbremse
US5782424A (en) * 1993-01-21 1998-07-21 Memminger-Iro Gmbh Thread brake
EP0768413A1 (fr) * 1995-10-13 1997-04-16 Terrot Strickmaschinen GmbH Dispositif d'alimentation en fil pour machines textiles
CN112796024A (zh) * 2020-12-31 2021-05-14 厦门郑萌迈纺织有限公司 一种织布机用便于调节的束线结构

Also Published As

Publication number Publication date
EP0498464B1 (fr) 1995-11-22
DE59204382D1 (de) 1996-01-04
EP0498464A3 (en) 1992-12-02
DE4114519A1 (de) 1992-11-05
EP0498464B2 (fr) 2000-12-27
ES2081509T3 (es) 1996-03-16

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