EP1161579B1 - Falschdraller, insbesondere zum herstellen von spiralförmigen filamenten - Google Patents

Falschdraller, insbesondere zum herstellen von spiralförmigen filamenten Download PDF

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Publication number
EP1161579B1
EP1161579B1 EP00918812A EP00918812A EP1161579B1 EP 1161579 B1 EP1161579 B1 EP 1161579B1 EP 00918812 A EP00918812 A EP 00918812A EP 00918812 A EP00918812 A EP 00918812A EP 1161579 B1 EP1161579 B1 EP 1161579B1
Authority
EP
European Patent Office
Prior art keywords
filaments
twister
false twister
set forth
false
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
EP00918812A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1161579A1 (de
Inventor
Bernd Heisel
Siegfried Doujak
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.)
Drahtcord Saar GmbH and Co KG
Original Assignee
Drahtcord Saar 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 Drahtcord Saar GmbH and Co KG filed Critical Drahtcord Saar GmbH and Co KG
Publication of EP1161579A1 publication Critical patent/EP1161579A1/de
Application granted granted Critical
Publication of EP1161579B1 publication Critical patent/EP1161579B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/04Devices for imparting false twist
    • D02G1/08Rollers or other friction causing elements
    • D02G1/082Rollers or other friction causing elements with the periphery of at least one disc
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B3/00General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
    • DTEXTILES; PAPER
    • D07ROPES; CABLES OTHER THAN ELECTRIC
    • D07BROPES OR CABLES IN GENERAL
    • D07B7/00Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
    • D07B7/02Machine details; Auxiliary devices
    • D07B7/025Preforming the wires or strands prior to closing

Definitions

  • the present invention relates to a false twister, in particular for Manufacture of spiral filaments that have a rotatably drivable Twister with at least one of the filaments Has pulley.
  • the invention further relates to a method for the production of spiral filaments, especially under Use of such a false twister, in which at least two Filaments brought together and in a false twister with at least a deflection roller wrapped around by the filaments plastically deformed become.
  • filament is not to be considered restrictive, but rather should include both single and multiple filaments and strands.
  • a false twister and a manufacturing process of the aforementioned kind are from WO 97/12091 which goes back to the same applicant and WO 97/12092 and DE-A-195 35 595 are known.
  • the basic structure and the functioning of a false twister are also shown in JP-A-02-269885.
  • a false twist points a rotatably drivable twister with at least one deflection roller on.
  • Several are used to manufacture spiral filaments Filaments collected by a suitable device, in parallel passed through and to the axis of rotation of the twister the deflector pulley is looped.
  • a downstream puller serves through the false twister.
  • the rotation of the twister causes a plastic deformation of the Filaments brought about. This plastic deformation is already in the false twister.
  • the one located downstream of the false twister Extractor brings great forces to those that are already plastically deformed Filaments on. This affects the plastic deformation, and undesirable tensions are introduced into the filaments.
  • the object of the present invention is therefore that of the plastic Deformation forces acting on the filaments significantly reduce.
  • the filaments are wrapped around the pulley so that driving the pulley forces are transmitted to the filaments can. From the entry into the false twister up to and including the The filaments are twisted around each other and so support each other. In this area are beyond very large tensions in the filaments are required to achieve the desired to produce plastic deformation. In the area of the pulley until they run out of the false twister they become spiral deformed filaments separated from each other. The on the individual filaments acting forces are low because of the filaments looped pulley the necessary for moving the filaments Force is initiated. Depending on the application, can completely without a pull-out mechanism, so that the required space and investment costs can be reduced.
  • the deflection roller can advantageously be driven by rotating the twister. This allows a separate drive for the guide roller to be dispensed with, so that the mass of the twister and the investment costs can be kept low.
  • the speed of the driven Deflection roller and the speed of the twister in relation to each other adjustable. This enables an optimal adaptation to the respective Boundary conditions and a targeted setting of the spiral shape of the filaments to be produced.
  • a is to drive the deflection roller gearbox attached to the twister. This gear enables coupling the deflection roller to a separate drive element, so that flexibility is increased.
  • the transmission is in engagement with a gear wheel separate from the twister.
  • This construction is simple, robust, durable and inexpensive.
  • the gear wheel is advantageously upstream or downstream of the twister arranged. This arrangement enables optimal adaptation of the false twister according to the invention to different boundary conditions like the storage of the twister or the available standing installation space.
  • the gear wheel is stationary arranged.
  • a Coupling between the rotation of the pulley and the rotation of the Reached In particular, always sets the same speed ratio before that set by the translation of the gear and gear becomes.
  • a change in the speed of the twister becomes automatic transferred to the pulley, so that expensive control or Adjustments can be omitted. Fluctuations in speed of the twister are compensated automatically.
  • the gear is on a perforated disc attached to bring the filaments together. This can an additional bracket for the gear can be dispensed with, so that the investment costs decrease.
  • the gear is rotatable drivable.
  • the speed of the pulley independently can be set by the speed of the twister. This makes possible the production of different forms of spiral Filaments.
  • the flexibility of the false twister according to the invention is significantly increased.
  • the transmission advantageously has a rotatably mounted on the twister Wave on.
  • This wave makes it possible to dispense with large dimensions Gears with correspondingly large moments of inertia.
  • the shaft is essentially arranged parallel to the axis of rotation of the twister. This will Space requirement in the radial direction reduced.
  • the deflecting roller is radially projecting Provide flanges to guide the filaments. This will cause it to slip the filaments from the deflection roller prevented.
  • the deflection roller in an area between the flanges is advantageous conical.
  • the conical design of the pulley always pushes the incoming filaments to the same flange. On This will tangle the filaments in the area of the deflection roller reliably avoided.
  • the inventive method provides that for moving the Filaments required by the false twister at least partially is applied to the filaments in the false twister. hereby - becomes the force acting on the already plastically deformed filaments significantly reduced.
  • the force required to move the filaments is advantageous 10 to 100 percent in the false twister applied to the filaments.
  • the exact proportion the force applied to the filaments in the false twister depends on the individual case, in particular on the type of filament, the Diameter of the filaments, the material used and the desired one Spiral shape.
  • the method according to the invention enables an optimal adaptation to the different conditions of each Individual case.
  • the wrap angle of the filaments around the pulley especially the number of wraps, depending on the force applied in the false twister.
  • the maximum that can be transferred from the deflection roller to the filaments Force depends exponentially on the wrap angle.
  • the speed of the deflection roller and the speed of the twister with respect to each other Changing the spiral shape of the filaments varies. From the speed of the Twister calculates the time it takes to make a turn is required. The speed of the deflection roller together with its results Diameter the movement speed of the filaments the twister. From the time it takes to make a turn the pitch via the speed and the diameter of the pulley the spiral can be calculated.
  • the Speed of the deflection roller and / or the speed of the twister can Filaments of different pitches can be produced.
  • the spiral filaments after exiting the false twister directly on coils wound. This enables a downstream pull-out mechanism to be dispensed with, so that the space requirement and the investment costs decline.
  • Figure 1 shows schematically the manufacturing process for spiral filaments 11 '.
  • the filaments 11 are drawn off from spools 12 and via feed rollers 13 through a perforated disc 14 in the direction of arrow 32 guided by a false twister 10 and 18 around the pulleys False twist 10 looped.
  • the false twister 10 is, as schematically indicated, rotatably driven, so that the individual filaments 11 are twisted around one another and plastically deformed.
  • the filaments 11 ' are in a spiral shape and separate from each other.
  • FIG 2 shows a schematic diagram of the false twister 10 with driven deflection roller 18.
  • the false twister 10 has a twist 17, which in the arrow direction 29 about an axis of rotation 15 via a Motor 33 and a drive means 34 is rotatably driven.
  • the filaments 11 are inserted parallel to the axis of rotation 15 in the twister 17 and looped around the pulley 18.
  • the deflection roller 18 is mounted on a shaft 19, which over bearings 20, 21 is rotatably mounted on the twister 17.
  • the gear includes a gear 23, which is rotatably connected to a further gear wheel 24 via a shaft 26 connected is. This gear 24 meshes with a gear 25 the shaft 19 for the guide roller 18.
  • the shaft 26 is over bearings 27, 28 rotatable on the twister 17 substantially parallel to the latter Axis of rotation 15 arranged.
  • the gear 23, 24, 25, 26 is in engagement with another gear 22, which is separate from the twister.
  • the gear wheel 22 is downstream of the rotator 17 arranged.
  • the gear 22 can be stationary or rotatable in Arrow direction 43 can be driven.
  • the angular velocity of the deflection roller 18 depends on the transmission ratio between the gears 22 and 23 and 24 and 25.
  • This transmission ratio i is independent of the actual speed of the twist 17.
  • the deflection roller 18 can be driven in this way by rotating the rotator 17, the speed of the deflection roller 18 can be calculated from the speed of the twister 17 via the transmission ratio i.
  • the gear 22 can be rotatably driven, as schematically indicated by the arrow direction 43. In this way, the speed the driven pulley 18 and the speed of the twister 17 adjustable in relation to each other. If the gear 22 in the same Direction of rotation as the rotator 17 is driven, the The speed of the deflection roller 18 is reduced. With a drive in the opposite direction the speed of the deflection roller 18 is increased. This can different spiral shapes of the filaments 11 'can be set. From the speed of the twister 17, the time for the manufacture one turn can be calculated. The speed of the pulley 18 defines the speed of movement together with their diameter the filaments 11 in the direction of the arrow 32 by the twister 17 firmly. By varying the speed of the deflection roller 18 can thus the pitch or lay length of the spiral filaments 11 'is set become.
  • the driven deflection roller 18 brings about an application for moving the filaments 11 required force by the false twister 10 directly in the false twister 10.
  • the portion of the deflection roller 18 generated force depends on the individual case.
  • the guide roller 18 becomes the speed of movement of the filaments 11 set by the twister 10.
  • This speed of movement can be chosen slightly lower than the winding speed of the coils 16 in Figure 1.
  • the plastically deformed filaments 11 ′ downstream of the false twister 10 acted on with low voltages.
  • the speed the pulley 1 8 exactly on the winding speed of the spools 16 can be coordinated. In this case the load becomes plastic deformed filaments 11 'practically reduced to zero.
  • the speed of the deflection roller 18 and the rotator 17 can be a suitable Control or regulation, not shown, may be provided.
  • Figures 3 to 5 show a constructive embodiment of a False twister according to the invention 10. Same and functionally identical Components as in Figure 2 have been given the same reference numerals. For explanation, reference is made to the above statements.
  • the false twister 10 has a shaft 35, which by means of bearings 36, 37 is rotatably mounted about the axis 15. There is a groove for the drive 38 provided, in which the drive means 34 engages.
  • the filaments 11 are introduced in the direction of arrow 32 in the twister 17 to the Deflection roller 18 looped and then through an inner bore the shaft 35 continues to the coils 16.
  • the deflection roller 18 has two flanges 39 spaced apart from one another. 40 for guiding the filaments 11. In the area 41 between the Flanges 39, 40, the deflection roller 18 is conical. To this The filaments are always pushed in the direction of the flange 39. A tangling or tangling of the filaments 11 in the area the deflection roller 18 is reliably avoided.
  • the shaft 19 and the bearings 20, 21 is the twister 17 provided with a removable cover 42. The diameter of the cover 42 is larger than the outer diameter of the flanges 39, 40 of the deflection roller 18.
  • the gear 22 is fixed arranged and upstream of the rotator 17 on the perforated disc 14 attached to bring the filaments 11 together. This can an additional holder for the gear 22 can be dispensed with.
  • the filaments 11 are in the direction of arrow 32 through the perforated disk 14 introduced in the twister 17. In twister 17 they become one or wrapped around the deflection roller 18 several times.
  • the pulley 18 is driven in the direction of arrow 31, so that at least part of the required to move the filaments 11 through the false twister 10 Force applied in the false twister 10 to the filaments 11 becomes.
  • the wrap angle of the filaments 11 around the deflection roller 18, especially the number of wraps becomes dependent adjusted by the force applied in the false twister. Using only one deflection roller 18 can change the number of wraps become.
  • the wrap angle by the mutual arrangement and the diameter of the Deflection rollers 18 are changed. Thus, for every application inadmissible sliding of the filaments 11 on the deflection roller 18 prevented.
  • the present invention provides a significant reduction that after plastic deformation to the spiral Filaments reached 11 'acting forces.
  • the speed of the driven pulley 18 with the The rotational speed of the twister 17 can also have different spiral shapes of filaments 11 'are made so that the flexibility of the False twist 10 according to the invention is significantly increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Ropes Or Cables (AREA)
  • Wire Processing (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP00918812A 1999-03-18 2000-03-17 Falschdraller, insbesondere zum herstellen von spiralförmigen filamenten Expired - Lifetime EP1161579B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19912192 1999-03-18
DE19912192A DE19912192C2 (de) 1999-03-18 1999-03-18 Falschdraller und Verfahren insbesondere zum Herstellen von spiralförmigen Filamenten
PCT/EP2000/002420 WO2000056961A1 (de) 1999-03-18 2000-03-17 Falschdraller, insbesondere zum herstellen von spiralförmigen filamenten

Publications (2)

Publication Number Publication Date
EP1161579A1 EP1161579A1 (de) 2001-12-12
EP1161579B1 true EP1161579B1 (de) 2004-08-18

Family

ID=7901503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00918812A Expired - Lifetime EP1161579B1 (de) 1999-03-18 2000-03-17 Falschdraller, insbesondere zum herstellen von spiralförmigen filamenten

Country Status (15)

Country Link
US (1) US6681555B1 (cs)
EP (1) EP1161579B1 (cs)
JP (1) JP4575598B2 (cs)
KR (1) KR100591707B1 (cs)
CN (1) CN1109143C (cs)
AT (1) ATE274082T1 (cs)
AU (1) AU3962800A (cs)
BR (1) BR0009095B1 (cs)
CZ (1) CZ299927B6 (cs)
DE (2) DE19912192C2 (cs)
ES (1) ES2228495T3 (cs)
PL (1) PL202373B1 (cs)
RU (1) RU2220238C2 (cs)
SK (1) SK286113B6 (cs)
WO (2) WO2000055405A2 (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4597400B2 (ja) * 2001-02-28 2010-12-15 金井 宏彰 単線スチールコードの製造方法及びその装置
DE10349030B4 (de) * 2003-10-13 2005-10-20 Gkn Driveline Int Gmbh Axialverstellvorrichtung
FR3028872B1 (fr) * 2014-11-25 2017-05-19 Michelin & Cie Procede de fractionnement
FR3028873B1 (fr) * 2014-11-25 2016-12-23 Michelin & Cie Installation de fractionnement
CN106195139A (zh) * 2016-07-26 2016-12-07 贵州钢绳股份有限公司 一种成、股绳机多级变速装置
FR3099191A1 (fr) 2019-07-25 2021-01-29 Compagnie Generale Des Etablissements Michelin Câble ouvert renforçant à haute compressibilité
FR3099189A1 (fr) * 2019-07-25 2021-01-29 Compagnie Generale Des Etablissements Michelin Procédé de fractionnement et de réassemblage
FR3099192A1 (fr) * 2019-07-25 2021-01-29 Compagnie Generale Des Etablissements Michelin Procédé de fractionnement et de réassemblage d’un assemblage à deux couches

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE292331C (cs) * 1914-02-20 1916-06-07
US3782090A (en) * 1971-12-08 1974-01-01 Chadbourn Inc Method and apparatus for producing textured yarn
DE2552078C3 (de) * 1975-11-20 1981-10-29 Felten & Guilleaume Carlswerk AG, 5000 Köln Verseilkopf
DE7608694U1 (de) * 1976-03-20 1980-07-24 Drahtcord Saar Gmbh & Co Kg, 6640 Merzig Vorrichtung zum verdrillen von faeden
JPS6017856B2 (ja) * 1976-05-25 1985-05-07 貞彰 高木 立体カ−ルフイラメントの形成方法とその装置
DE2724419C2 (de) * 1977-05-28 1983-03-24 Fried. Krupp Gmbh, 4300 Essen Rohrverseilmaschine
US4385486A (en) * 1979-10-22 1983-05-31 Tokusen Kogyo Kabushiki Kaisha Apparatus for manufacturing open cord
US4397141A (en) * 1981-04-15 1983-08-09 National-Standard Company Method and apparatus for making balanced metallic strand
JPH02269885A (ja) * 1989-04-10 1990-11-05 Sumitomo Electric Ind Ltd スチールコードの製造方法
JP3070260B2 (ja) * 1991-06-21 2000-07-31 住友電気工業株式会社 ゴム物品補強用金属コードの製造装置及び製造方法
EP0627521B1 (en) * 1993-04-20 1997-11-19 N.V. Bekaert S.A. Treatment of steel cord
US5487262A (en) * 1993-04-20 1996-01-30 N.V. Bekaert S.A. Method and device for overtwisting and undertwisting a steel cord
DE19535598A1 (de) * 1995-09-25 1997-03-27 Drahtcord Saar Gmbh & Co Kg Verfahren zur Herstellung eines Stahlcords
DE19535595C2 (de) * 1995-09-25 2000-12-07 Drahtcord Saar Gmbh & Co Kg Verfahren zur Herstellung eines spiralförmigen Drahtfilament, insbesondere zur Verstärkung von Gummi- oder Kunststoffartikeln, Vorrichtung zur Durchführung des Verfahrens und nach dem Verfahren herstelltes Drahtfilament

Also Published As

Publication number Publication date
ATE274082T1 (de) 2004-09-15
BR0009095A (pt) 2001-12-26
PL202373B1 (pl) 2009-06-30
US6681555B1 (en) 2004-01-27
WO2000055405A2 (de) 2000-09-21
RU2220238C2 (ru) 2003-12-27
KR20010112345A (ko) 2001-12-20
SK12922001A3 (sk) 2002-11-06
AU3962800A (en) 2000-10-09
DE50007483D1 (de) 2004-09-23
WO2000056961A1 (de) 2000-09-28
CN1344338A (zh) 2002-04-10
KR100591707B1 (ko) 2006-07-03
EP1161579A1 (de) 2001-12-12
DE19912192C2 (de) 2001-03-08
JP2002540304A (ja) 2002-11-26
BR0009095B1 (pt) 2011-01-25
ES2228495T3 (es) 2005-04-16
DE19912192A1 (de) 2000-09-28
JP4575598B2 (ja) 2010-11-04
CZ299927B6 (cs) 2008-12-29
PL350624A1 (en) 2003-01-27
CZ20013236A3 (cs) 2002-10-16
CN1109143C (zh) 2003-05-21
SK286113B6 (sk) 2008-03-05

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