EP1061166A1 - Frein de fil de trame pour métiers à tisser - Google Patents

Frein de fil de trame pour métiers à tisser Download PDF

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Publication number
EP1061166A1
EP1061166A1 EP00109852A EP00109852A EP1061166A1 EP 1061166 A1 EP1061166 A1 EP 1061166A1 EP 00109852 A EP00109852 A EP 00109852A EP 00109852 A EP00109852 A EP 00109852A EP 1061166 A1 EP1061166 A1 EP 1061166A1
Authority
EP
European Patent Office
Prior art keywords
weft
monitor
thread
brake
sensor
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
EP00109852A
Other languages
German (de)
English (en)
Other versions
EP1061166B1 (fr
Inventor
Rainer Schuster
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.)
Lindauer Dornier GmbH
Original Assignee
Lindauer Dornier 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 Lindauer Dornier GmbH filed Critical Lindauer Dornier GmbH
Publication of EP1061166A1 publication Critical patent/EP1061166A1/fr
Application granted granted Critical
Publication of EP1061166B1 publication Critical patent/EP1061166B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/18—Automatic stop motions
    • D03D51/34—Weft stop motions
    • 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
    • B65H59/20—Co-operating surfaces mounted for relative movement
    • B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
    • B65H59/24—Surfaces movable automatically to compensate for variation in tension
    • 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
    • B65H59/40—Applications of tension indicators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • 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

Definitions

  • the invention relates to a weft brake for weaving machines according to the preamble of Claim 1.
  • DE 34 46 567 C1 discloses a weft brake with controllable braking effect, the from two resiliently opposed, picking up the weft thread between them there are lamellar parts, each at the entrance and exit Weft brake thread guide eyelets are arranged, even when the brake is open represent permanent stress on the weft thread due to friction and deflection.
  • a variety of other types of thread brakes are known, e.g. with a brake band and a controllable brake body, between which the weft thread is guided, or so-called belt brakes, in which the braking force by changing the Wrap angle is adjustable.
  • weft brakes are part of an arrangement on the entry side for the Weft, which essentially consists of a winder, weft brake, weft monitor and weft addition, the weft precedes these devices before Entry through a corresponding entry organ in the shed. At the alternate entry of different weft threads, this arrangement exists several times.
  • a device for reducing the yarn load is known from DE 195 35 895 C1 become the one for a variety of weft thread types to be entered common weft monitor provides that only for a certain period of time during the Weft entry is brought into contact with the weft thread to be entered.
  • the described device thus reduces the contact time between weft and Weft monitor, however, it is structurally complex and does not lead to one Reduction of the required deflection points.
  • EP 0 634 509 A1 discloses a weft brake, which has a thread tension sensor is connected downstream, its measured values for regulating the braking force of the weft brake be used. This means that the braking force can be optimal with every weft insertion can be set, which, among other things, reduces the load on the weft thread. at this device also has the disadvantage that a total of at least three Thread guide eyelets are required and the thread tension sensor additional deflection points for mechanical force measurement, whereby the total load on the weft thread increases again.
  • the object of the present invention is to provide a weft brake with an output side Develop thread guide eyelet in such a way that the thread load on the weft thread is reduced can be.
  • the invention is based on the fact that the thread guide eyelet on the output side Weft brake is designed as a weft monitor.
  • weft brake and Weft monitor Another advantage of the combination of weft brake and Weft monitor is in the compact design and simplified assembly and Adjustment of the arrangement on the weaving machine.
  • the type of braking device used does not play an essential role in the invention.
  • all types of input called weft brakes, or other types, with an integrated Weft monitor are equipped.
  • the weft monitor is preferably designed as a piezoelectric sensor, which in the output-side guide eye of the weft brake is integrated.
  • the The weft monitor also includes an electro-mechanical sensor in a known manner include electro-optical sensor, a capacitive or inductive sensor.
  • the integrated weft thread monitor can advantageously be designed as a thread tension sensor be, its output signal for regulating the braking force to the weft brake is returned.
  • One weft type or one weft color used is one Assigned weft brake according to the invention.
  • the drawing figure shows the weft brake 1 according to the invention in a side view.
  • the Braking device consists of two resiliently opposed lamella-like Spring plates 4, 5, which receive the continuous weft thread 13 between them.
  • Both Spring plates 4, 5 are on one side on a base plate 2 by means of a spring plate fastening 10 attached, which in turn is attached to the weaving machine body by means of a holder 3. ever the stronger the spring plates 4, 5 are pressed together, the larger the on the Weft thread 13 applied braking force.
  • the rear one Spring plate 4 firmly attached to the base plate 2, while the front spring plate 5 through an eccentric 8 is applied, the front depending on the rotational position of the eccentric 8 Spring plate 5 is pressed more or less against the rear spring plate 4.
  • the Eccentric 8 is actuated by an eccentric drive 9 attached to the base plate 2 is controlled by control electronics 11.
  • the electronics 11 is also on the Base plate 2 is arranged and is connected to the weaving machine control via a connection 12 connected.
  • the weft brake 1 On the input side, the weft brake 1 has an inlet thread guide 6, which the Weft thread 13 between the spring plates 4, 5 leads. At the output end of the Spring sheets 4, 5, an output thread guide is arranged, which according to the invention as Weft monitor 7 is formed.
  • the weft monitor 7 consists of a Thread guide eyelet, which contains a suitable sensor that detects the presence of the Weft thread is detected and / or used to measure the thread tension.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Looms (AREA)
  • Braking Arrangements (AREA)
EP00109852A 1999-05-27 2000-05-10 Frein de fil de trame pour métiers à tisser Expired - Lifetime EP1061166B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29909242U 1999-05-27
DE29909242U DE29909242U1 (de) 1999-05-27 1999-05-27 Schussfadenbremse für Webmaschinen

Publications (2)

Publication Number Publication Date
EP1061166A1 true EP1061166A1 (fr) 2000-12-20
EP1061166B1 EP1061166B1 (fr) 2009-04-15

Family

ID=8074003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00109852A Expired - Lifetime EP1061166B1 (fr) 1999-05-27 2000-05-10 Frein de fil de trame pour métiers à tisser

Country Status (5)

Country Link
US (1) US6257284B1 (fr)
EP (1) EP1061166B1 (fr)
JP (1) JP2000355853A (fr)
AT (1) ATE428815T1 (fr)
DE (2) DE29909242U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097168A1 (fr) * 2005-03-15 2006-09-21 Iro Ab Systeme de traitement des fils et frein pour le fil commande

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10218059A1 (de) * 2002-04-23 2003-11-13 Dornier Gmbh Lindauer Vorrichtung und Verfahren zur Regelung der Fadenspannung eines Fadens bei Textilverarbeitungsmaschinen
DE102005022955A1 (de) * 2005-05-19 2006-11-23 Lindauer Dornier Gmbh Verfahren und Vorrichtung zum Halten eines nach einem Startvorgang einer Webmaschine, insbesondere Luftdüsenwebmaschine eingetragenen Schussfadens

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110654A (en) * 1974-07-12 1978-08-29 Gebr. Loepfe Ag Device for monitoring the travel of yarn-like structures at a textile machine
FR2568595A1 (fr) * 1984-08-02 1986-02-07 Alsacienne Constr Mat Tex Dispositif de commande positive pour frein de fil.
EP0333302A1 (fr) * 1988-03-16 1989-09-20 Picanol N.V. Machine à tisser à alimentation de fil de trame modifiée
EP0459322A1 (fr) * 1990-05-28 1991-12-04 ROJ ELECTROTEX S.p.A. Instrument pour mesurer la tension de fil et fournisseur de trame pourvu d'un tel instrument de mesure
EP0634509A1 (fr) * 1993-07-15 1995-01-18 Lindauer Dornier Gesellschaft M.B.H Dispositif de freinage du fil de trame pour métier à tisser
US5424557A (en) * 1991-09-27 1995-06-13 Rydborn; Sten A. O. Apparatus for monitoring wefts or threads

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS160330B1 (fr) 1972-06-12 1975-03-28
IT1054038B (it) 1976-01-09 1981-11-10 Lanerossi Spa Metodo e dispositivi per la rile vazione automatica della presenza o assenza del filo nelle macchine di filatura
CH622561A5 (fr) 1977-11-01 1981-04-15 Loepfe Ag Geb
CH643614A5 (de) * 1980-04-01 1984-06-15 Loepfe Ag Geb Elektronischer schussfadenwaechter.
JPS5785768A (en) * 1980-10-23 1982-05-28 Zairu Tekusuteirumashiinentsuu Yarn monitor device for fiber machine
US4362189A (en) * 1981-01-07 1982-12-07 Leesona Corporation Fluid weft insertion loom monitoring system
DE3446567C1 (de) 1984-12-20 1986-05-07 Lindauer Dornier Gmbh, 8990 Lindau Schussfadenbremse mit stufenweise steuerbarer Bremswirkung
SE8600360L (sv) 1986-01-27 1987-07-28 Iro Ab Foretredesvis vid en trad- eller garnlageranordning anordnad givare for indikering av rorelsen hos en trad resp ett garn
DE3820173A1 (de) 1988-06-14 1989-12-28 Wolfgang Stueber Fadenwaechter fuer textilmaschinen
US5476122A (en) * 1993-03-05 1995-12-19 Lindauer Dornier Gesellschaft Mbh Weft thread brake responsive to yarn characteristics in a loom
DE59408393D1 (de) * 1994-04-22 1999-07-15 Rueti Ag Maschf Vorrichtung zum Ueberwachen eines Kettfadens
DE19535895C1 (de) 1995-09-27 1996-06-13 Dornier Gmbh Lindauer Einrichtung zum Reduzieren der Belastung eines in das Webfach einer Webmaschine einzutragenden Schußfadens

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110654A (en) * 1974-07-12 1978-08-29 Gebr. Loepfe Ag Device for monitoring the travel of yarn-like structures at a textile machine
FR2568595A1 (fr) * 1984-08-02 1986-02-07 Alsacienne Constr Mat Tex Dispositif de commande positive pour frein de fil.
EP0333302A1 (fr) * 1988-03-16 1989-09-20 Picanol N.V. Machine à tisser à alimentation de fil de trame modifiée
EP0459322A1 (fr) * 1990-05-28 1991-12-04 ROJ ELECTROTEX S.p.A. Instrument pour mesurer la tension de fil et fournisseur de trame pourvu d'un tel instrument de mesure
US5424557A (en) * 1991-09-27 1995-06-13 Rydborn; Sten A. O. Apparatus for monitoring wefts or threads
EP0634509A1 (fr) * 1993-07-15 1995-01-18 Lindauer Dornier Gesellschaft M.B.H Dispositif de freinage du fil de trame pour métier à tisser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006097168A1 (fr) * 2005-03-15 2006-09-21 Iro Ab Systeme de traitement des fils et frein pour le fil commande
CN101160253B (zh) * 2005-03-15 2012-08-29 Iro有限公司 纱线加工系统和可控纱线制动器

Also Published As

Publication number Publication date
US6257284B1 (en) 2001-07-10
DE29909242U1 (de) 1999-09-16
JP2000355853A (ja) 2000-12-26
EP1061166B1 (fr) 2009-04-15
ATE428815T1 (de) 2009-05-15
DE50015619D1 (de) 2009-05-28

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