EP1519888A1 - Tendeur de fils a frein - Google Patents

Tendeur de fils a frein

Info

Publication number
EP1519888A1
EP1519888A1 EP03737885A EP03737885A EP1519888A1 EP 1519888 A1 EP1519888 A1 EP 1519888A1 EP 03737885 A EP03737885 A EP 03737885A EP 03737885 A EP03737885 A EP 03737885A EP 1519888 A1 EP1519888 A1 EP 1519888A1
Authority
EP
European Patent Office
Prior art keywords
drum
thread
brake
threads
thread brake
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
EP03737885A
Other languages
German (de)
English (en)
Other versions
EP1519888B1 (fr
Inventor
Markus Berger
Rainer Oehl
Klaus Binder
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.)
ContiTech Luftfedersysteme GmbH
Original Assignee
ContiTech Luftfedersysteme GmbH
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 ContiTech Luftfedersysteme GmbH filed Critical ContiTech Luftfedersysteme GmbH
Publication of EP1519888A1 publication Critical patent/EP1519888A1/fr
Application granted granted Critical
Publication of EP1519888B1 publication Critical patent/EP1519888B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
    • B65H59/16—Braked elements rotated by material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
    • B65H81/06—Covering or wrapping elongated cores
    • B65H81/08—Covering or wrapping elongated cores by feeding material obliquely to the axis of the core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires

Definitions

  • the invention relates to a thread brake with a rotationally mounted drum and with means for adjusting the torque of the drum.
  • a thread brake for textile machines is known from DE 299 07 679 U1, in which a single thread is at least partially wrapped around a ball-bearing brake roller which is rotatably supported. To set a defined thread tension, the braking torque of the thread brake can be adjusted with an adjusting screw. A separate thread brake is required for a large number of threads. A uniform setting of the thread tensions for the threads cannot be guaranteed, since each thread brake must be set individually.
  • US Pat. No. 2,093,206 describes a bobbin creel in which the threads drawn from a bobbin are passed directly to a first deflection ring and from there to a second deflection ring.
  • the two deflection rings can be displaced relative to one another in such a way that the thread tension can be adjusted. Since the threads from the thread spools but are not pulled off tangentially, the wrap angle changes constantly during operation of the creel, so that even thread tension cannot be guaranteed.
  • the object of the invention was therefore to provide a thread brake with which a large number of threads with a manipulated variable could be set to constant and mutually simultaneous thread tensions.
  • the object is achieved in that a plurality of circumferential receiving grooves for threads spaced apart in the direction of the drum axis are provided.
  • the tension of a plurality of threads from a common drum at the drum outlet can thus be reduced or increased compared to the drum inlet.
  • the threads are preferably wrapped around the drum several times per receiving groove.
  • the torque of the drum or several drums is preferably set synchronously by means of a common drive element, for example a belt drive, chain drive or gear train.
  • a means for adjusting the torque can be provided for each thread brake, for example a clutch / brake combination with an electric motor.
  • the receiving grooves are arcuate in cross-section, the diameter of the drum being larger at the thread inlet than at the thread outlet. A thread that is wound several times in the receiving groove is thus pushed from the thread inlet to the thread outlet, so that it does not close Overwinds come and a defined spring tension is built up in the outlet.
  • the drum can be designed as a cylindrical drum mounted on one side or as a shaft supported on both sides.
  • an additional shaft can be arranged adjacent to the drum at an angle to the drum axis.
  • the threads each loop around the combination of drum and additional shaft equally, so that a thread from the drum is returned to the drum via the additional shaft. Because the additional shaft is arranged at an angle to the drum axis, the thread is laid on the drum in the axial direction and over-winding is prevented. As a result, the threads are forced to run synchronously from the drum.
  • Figure 1 - a perspective view of a thread brake according to the invention
  • Figure 2 is a perspective side view of a thread brake with drum shaft mounted on both sides;
  • Figure 3 a side view of a drum with curved profiled grooves
  • Figure 4 - a perspective view of a thread brake with an additional shaft.
  • FIG. 1 shows a thread brake 1 in a perspective view, which is essentially formed from a cylindrical drum 2 and from a drive wheel 3 with means 3 for adjusting the torque.
  • the means for adjusting the torque can be, for example, a clutch / brake unit with an electric motor. Belts, chains or gear train can be used as transmission element.
  • a plurality of receiving grooves 4 are provided, which extend around the outer circumference of the drum 2 and are each spaced apart from one another in the direction of the drum axis x.
  • the receiving grooves 4 run around the outer circumference of the drum 2.
  • One thread 5 is picked up for each receiving groove 4, which is wound several times around the drum 2 and inserted into the receiving groove 4. In this way, a thread 5 is driven by the thread brake 1 or braked, the thread tensions of all threads 5 of a thread brake 1 being set uniformly.
  • the drum 2 is supported on one side, so that the threads 5 can be easily inserted into the receiving grooves 4.
  • FIG. 2 shows an embodiment of the thread brake 1.
  • the drum 2 is designed as a drum shaft 6 mounted on both sides, which is supported at both ends of the drum shaft 6.
  • a drive wheel 3 which interacts with the means 3 for adjusting the torque.
  • the receiving grooves 4 are again provided at a distance from one another, which extend around the outer circumference of the drum shaft 6.
  • FIG. 3 shows a drum 2 in a side view.
  • the receiving grooves 4 have an arcuate profile.
  • the thread inlet 7 of the thread 5 is provided in the region of the larger diameter of the receiving groove 4 and the thread outlet 8 in the smaller diameter, so that the thread 5 moves axially when the drum 2 rotates in the direction of the smaller diameter of the receiving groove 4.
  • over-windings are avoided and a uniform thread tension can form.
  • FIG. 4 shows another embodiment of the thread brake, an additional shaft 9 being provided adjacent to the drum 2 at an angle to the drum axis X.
  • the threads 5 each wrap around the combination of drum 2 and additional shaft 9 and are thus, as shown, placed equally over drum 2 and additional shaft 9.
  • the additional shaft 9 arranged obliquely to the drum 2
  • the threads 5 are axially on the Drum 2 is moved so that the thread 5 in turn migrates axially from the thread inlet 7 to the thread outlet 8. Over-windings are avoided and a uniform thread tension is formed.

Landscapes

  • Tension Adjustment In Filamentary Materials (AREA)
  • Braking Arrangements (AREA)
  • Control Of Stepping Motors (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP03737885A 2002-06-28 2003-05-15 Tendeur de fils a frein Expired - Lifetime EP1519888B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10229077A DE10229077A1 (de) 2002-06-28 2002-06-28 Fadenbremse
DE10229077 2002-06-28
PCT/DE2003/001564 WO2004002866A1 (fr) 2002-06-28 2003-05-15 Tendeur de fils a frein

Publications (2)

Publication Number Publication Date
EP1519888A1 true EP1519888A1 (fr) 2005-04-06
EP1519888B1 EP1519888B1 (fr) 2006-11-15

Family

ID=29795948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03737885A Expired - Lifetime EP1519888B1 (fr) 2002-06-28 2003-05-15 Tendeur de fils a frein

Country Status (8)

Country Link
US (1) US7178753B2 (fr)
EP (1) EP1519888B1 (fr)
JP (1) JP2005537198A (fr)
KR (1) KR20050013152A (fr)
AT (1) ATE345301T1 (fr)
AU (1) AU2003245826A1 (fr)
DE (2) DE10229077A1 (fr)
WO (1) WO2004002866A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8263143B2 (en) * 2005-08-22 2012-09-11 Kraft Foods Global Brands Llc Degradable chewing gum
US8287928B2 (en) * 2005-08-22 2012-10-16 Kraft Foods Global Brands Llc Degradable chewing gum
ITBO20080551A1 (it) * 2008-09-11 2010-03-12 S I M A Societa Ind Meccani Che Affini A R Macchina per la torcitura di filati utilizzabile come torcitoio o come cordatrice

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US693196A (en) * 1901-03-06 1902-02-11 Peter J Westphal Thread-winding machine.
US2093206A (en) 1935-06-27 1937-09-14 Us Rubber Prod Inc Cord covered tube and apparatus for applying cords to tubes, cores, and the like
US2159635A (en) * 1937-06-23 1939-05-23 Percival K Ranney Coil winding apparatus
US2306660A (en) * 1941-10-09 1942-12-29 Filatex Corp Process for handling materials
US2717285A (en) * 1952-05-23 1955-09-06 Western Electric Co Capstans for advancing strands
GB770037A (en) * 1954-02-13 1957-03-13 Dunlop Rubber Co Apparatus for tensioning filamentary material
US2936877A (en) * 1954-09-10 1960-05-17 Du Pont Strand processing
US3020621A (en) * 1959-12-03 1962-02-13 Du Pont Draw roll
GB921138A (en) * 1960-03-02 1963-03-13 Dunlop Rubber Co Apparatus for the manufacture of reinforced hose
DE1435237C3 (de) 1961-03-14 1974-06-12 Fa. W. & M. Ostermann, 5600 Wuppertalbarmen Maschine zum Herstellen bewehrter Schläuche
US3113739A (en) * 1962-01-02 1963-12-10 Del Mar Eng Lab Cable winding device
US3337930A (en) * 1966-01-21 1967-08-29 Foster Grant Co Inc Method and apparatus for processing yarn
GB1424632A (en) * 1973-02-16 1976-02-11 Ostermann W M Winding apparatus for sheathing tubing or cable strands
DE2335416A1 (de) * 1973-04-09 1974-10-24 Avon Rubber Co Ltd Vorrichtung zum zufuehren und spannen von draehten fuer drahtverstaerkte einlagen, insbesondere fuer fahrzeugreifen
US4056240A (en) * 1977-02-18 1977-11-01 E. I. Du Pont De Nemours And Company Yarn guide
US4324607A (en) 1978-05-24 1982-04-13 Bandag Incorporated Hose building machine
FR2606003B1 (fr) * 1986-10-29 1989-06-30 Aerospatiale Dispositif de mise en tension a effet actif, de fils, fibres ou nappes pour enroulement
DE3828798A1 (de) * 1987-10-06 1990-03-01 Erich Brosa Fadenspanner
DE9110360U1 (de) * 1991-08-22 1991-12-05 Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal Rollenbremse für Textilfäden
BE1011113A4 (nl) * 1997-04-17 1999-04-06 Wiele Michel Van De Nv Draadspan en terugtrekinrichting voor een weefmachine.
DE29907679U1 (de) 1999-04-30 2000-09-07 Saurer Allma Gmbh Fadenbremse für Textilmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004002866A1 *

Also Published As

Publication number Publication date
WO2004002866A1 (fr) 2004-01-08
KR20050013152A (ko) 2005-02-02
US20050184183A1 (en) 2005-08-25
JP2005537198A (ja) 2005-12-08
DE50305697D1 (de) 2006-12-28
US7178753B2 (en) 2007-02-20
ATE345301T1 (de) 2006-12-15
AU2003245826A1 (en) 2004-01-19
EP1519888B1 (fr) 2006-11-15
DE10229077A1 (de) 2004-01-29

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