EP2251291A2 - Réserve de fil pour un poste de travail d'une machine à filer à fibres libérées - Google Patents

Réserve de fil pour un poste de travail d'une machine à filer à fibres libérées Download PDF

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Publication number
EP2251291A2
EP2251291A2 EP10004272A EP10004272A EP2251291A2 EP 2251291 A2 EP2251291 A2 EP 2251291A2 EP 10004272 A EP10004272 A EP 10004272A EP 10004272 A EP10004272 A EP 10004272A EP 2251291 A2 EP2251291 A2 EP 2251291A2
Authority
EP
European Patent Office
Prior art keywords
thread
leaf spring
spring element
yarn
spinning machine
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
EP10004272A
Other languages
German (de)
English (en)
Other versions
EP2251291A3 (fr
EP2251291B1 (fr
Inventor
Wilhelm Oehrl
Maximilian Preutenborbeck
Olaf Reissig
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Oerlikon Textile 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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2251291A2 publication Critical patent/EP2251291A2/fr
Publication of EP2251291A3 publication Critical patent/EP2251291A3/fr
Application granted granted Critical
Publication of EP2251291B1 publication Critical patent/EP2251291B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/20—Devices for temporarily storing filamentary material during forwarding, e.g. for buffer storage
    • 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
    • B65H59/36—Floating elements compensating for irregularities in supply or take-up of 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
    • 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 yarn store for a workstation of an open-end spinning machine according to the preamble of claim 1.
  • each thread storage are arranged in the workstations of these textile machines, which compensate for the Faden effets- / and thread tension fluctuations occurring during the Fadenchangtechnik.
  • Mechanical yarn stores can have, for example, a relatively complex control device and can be acted upon in a defined manner or have only one spring element which is deflected when the yarn speed changes.
  • Controllable mechanical thread stores are usually used when winding conical cheeses.
  • These yarn stores have, for example, arranged on a pivot lever thread deflection roller, which is positioned in the region of the yarn path and, if necessary, the length of the regular yarn path extended temporarily.
  • the pivot lever is usually movably mounted about an axis of rotation and controlled for example via a machine-length drive rod.
  • a pivotally mounted creel is provided with a measuring member which detects the pivot position of the creel and controls the position of the pivot lever of the thread store via a mechanical coupling member.
  • Such yarn stores have a leaf spring element which is equipped at the end with a thread deflection roller positioned in the region of the thread running path.
  • the Indian DE 28 03 378 C2 yarn store described has, for example, a leaf spring element, wherein the leaf spring is fixed via a holder in the form of two steel brackets on the machine frame of a textile machine and connected via a roller carrier with a Fadenumlenkrolle.
  • the leaf spring In the middle part between the holder and the roller carrier, the leaf spring is also embedded in rubber-elastic elements, which should prevent the occurrence of uncontrollable vibrations.
  • the leaf spring element has a plurality of superimposed, different length leaf springs, which are fixed in a corresponding, common support.
  • the upper, longest of the leaf springs is end equipped with a thread deflection roller and is supported by three shorter, that is, stepped stepped leaf springs.
  • a thread brake device which has a special device for deflecting a thread.
  • This device is equipped with special, spaced successively buckling springs, the front of the buckling springs has a thread guide element, for example in the form of a ring.
  • Such stressed during operation by the thread on bending buckling springs have the property that they produce up to a predetermined by the design buckling pressure point a much higher restoring force than after exceeding the buckling pressure point.
  • the present invention seeks to develop a mechanical yarn storage for a job of an open-end spinning machine, both during winding of cheeses having a relatively low yarn tension, for example when winding dye packages, as well as in Winding of so-called coarse yarn bobbins, in which the yarn tension during the winding process is significantly higher, can be successfully used.
  • the yarn store according to the invention with a first leaf spring element carrying the thread deflection roller and a second leaf spring element arranged at a distance from this first leaf spring element has the advantage that such a thread store can be used when winding different types of cheeses without the thread store being previously rebuilt or specifically new must be adjusted.
  • the first leaf spring element automatically applies when exceeding a certain thread tension to the second leaf spring element, with the result that in such a case, then both leaf spring elements act together.
  • the inventive design of the yarn store is ensured in a simple manner that both cheeses, which have a relatively low yarn tension, for example, dye packages, as well as cheeses can be wound, the thread tension is higher.
  • the first leaf spring element automatically sets when exceeding a certain thread tension to the second leaf spring element, with the result that then both leaf spring elements are effective together.
  • the spring force of the second leaf spring element is so high that even cheeses with a high
  • Thread tension for example, can be wound over 100 cN.
  • leaf spring elements with different spring force preferably have different thicknesses.
  • the first leaf spring element for example, a thickness of 0.2 to 0.3 mm, while the thickness of the second leaf spring element is at least 0.4 mm.
  • Leaf spring elements are equipped, easily quite different cheeses are wound, that is, cheeses that differ significantly with respect to their thread tension.
  • the leaf spring elements of the yarn store according to the invention are arranged on a pivotally mounted adjusting lever, which is positionable by means of a thrust piston in an operating position.
  • the thread store can, for example, for Wiederanspinnen after a yarn breakage, first pivoted to a repair position outside the yarn path and then easily be positioned back in its operating position.
  • Fig. 1 is a workstation 10 of a cheese-producing textile machine, in the present case an open-end rotor spinning machine shown.
  • Such open-end rotor spinning machines have a multiplicity of such workstations 10, which are arranged next to one another in a row and in each case identically formed.
  • a thread 17 is spun by means of an open-end spinning device 12 from a (not shown) original fiber tape, which is stored in sliver cans, which is then wound on a winding device 18 to form a cheese 19.
  • the winding devices 18 of these jobs 10 have inter alia a coil frame 8 for rotatably supporting a cross-wound bobbin 19, a Fadenchangier noticed 22 with a motor driven Einzelierisch traversing yarn guide 1 and a bobbin drive device 23, the bobbin drive roller 14, for example, by an electric motor 27 is driven.
  • Each of the open-end rotor spinning machine workstations 10 also includes a number of other, different thread handling devices necessary to facilitate proper operation of such workstations.
  • the work stations 10 are each equipped, for example, with a thread monitor 3, a thread withdrawal device 20, a mechanical thread store 2 and a waxing device 5.
  • the work stations 10 each have a suction nozzle 21, which is designed so that, for example, after a thread break on the cheese 19 accumulated thread 17 pneumatically recorded and the open-end spinning device 12 can be submitted to re-spinning.
  • the inventive mechanical yarn store 2 has two stationary, for example, on the housing of the waxing device 5 supported thread guide rollers 38, 39 and a movably mounted, acted upon during the spinning operation by the thread 17 Fadenumlenkrolle 36.
  • the thread deflection roller 36 is arranged on a first leaf spring element 32, which in turn is fixed to a lever 35.
  • the first leaf spring element 32 preferably has a thickness d 1 of only 0.2 to 0.3 mm and thus a relatively low spring force.
  • the first leaf spring member 32 is a relatively soft spring.
  • a second leaf spring element 34 is arranged on the adjusting lever 35 spaced from the first leaf spring member 32, the thickness d 2 is at least 0.4 mm above the thickness of the first leaf spring member 32.
  • the spring force of the second leaf spring element 34 is thus significantly above the spring force of the first leaf spring element 32. That is, the second leaf spring element 34 is a relatively hard spring.
  • a drive preferably a thrust piston 37 is articulated, which a defined displacement of the control lever 35 and thus optionally a positioning of the Fadenumlenkrolle 36 in a (not shown) Anspinngna or in Fig.1 illustrated operating position I allows.
  • the yarn 17 produced in the open-end spinning device 12 is withdrawn from the open-end spinning device 12 by the yarn withdrawal device 20 at a constant yarn delivery speed and wound on the winding device 18 to form a cylindrical cross-wound bobbin 19.
  • the cross-wound bobbin 19 is rotatably mounted between the arms of a creel 8 and lies with its surface on the motor driven single-motor, rotating at a constant speed bobbin drive roller 14, which carries the cross-wound bobbin 19 via frictional engagement.
  • the accumulating on the cheese 19 thread 17 is simultaneously traversed by the traversing yarn 1 of the Fadenchangier worn 22 so that it runs in criss-crossing layers on the surface of the cheese 19.
  • first leaf spring element 32 which is end equipped with a Fadenumlenkrolle 36, positioned in its operating position I in the thread running path that the current thread 17 deflects something by the Fadenumlenkrolle 36 and the thread 17 with one of the spring force of the first leaf spring member 32 and the spring forces of the leaf spring elements 32 and 34 dependent yarn tension is applied.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
EP10004272.0A 2009-05-13 2010-04-22 Réserve de fil pour un poste de travail d'une machine à filer à bout libre Active EP2251291B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009021066A DE102009021066A1 (de) 2009-05-13 2009-05-13 Fadenspeicher für eine Arbeitstelle einer Offenend-Spinnmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102009021066 Previously-Filed-Application 2009-05-13

Publications (3)

Publication Number Publication Date
EP2251291A2 true EP2251291A2 (fr) 2010-11-17
EP2251291A3 EP2251291A3 (fr) 2014-02-19
EP2251291B1 EP2251291B1 (fr) 2017-05-31

Family

ID=42651432

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10004272.0A Active EP2251291B1 (fr) 2009-05-13 2010-04-22 Réserve de fil pour un poste de travail d'une machine à filer à bout libre

Country Status (3)

Country Link
EP (1) EP2251291B1 (fr)
CN (1) CN101885434B (fr)
DE (1) DE102009021066A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134785B (zh) * 2011-04-01 2013-01-02 厉力永 横机纱线自动上蜡装置
DE102016121746A1 (de) * 2016-11-14 2018-05-17 Saurer Germany Gmbh & Co. Kg Fadenumlenkrolle für einen im Bereich des Fadenchangierdreieckes einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine angeordneten mechanischen Fadenspeicher
CN107663711B (zh) * 2017-10-31 2019-02-15 宁波源生针织有限公司 针织品加工送线装置
DE102018115601A1 (de) 2018-06-28 2020-01-02 Saurer Spinning Solutions Gmbh & Co. Kg Fadenumlenkeinheit
CN110040571B (zh) * 2019-05-17 2021-04-06 常州市新创智能科技有限公司 一种纱线恒张力控制装置、方法及系统
CN110040578B (zh) * 2019-05-17 2020-02-21 常州市新创智能科技有限公司 一种纱线缠绕系统及控制方法
CN113684594B (zh) * 2021-08-17 2022-08-30 广东邦诚纺织科技有限公司 经完经断即时检测自停装置和圆织机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454917C2 (de) 1974-11-20 1981-11-19 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und Vorrichtung zum Wickeln konischer Kreuzspulen bei konstanter Fadenzuführgeschwindigkeit
DE2803378C2 (fr) 1977-03-01 1987-02-12 Maschinenfabrik Rieter Ag, Winterthur, Ch
DE3519945C2 (fr) 1985-06-04 1987-03-19 F.M.N. Schuster Gmbh & Co Kg, 5030 Huerth, De
EP0790208B1 (fr) 1996-02-16 1999-06-16 Iro Ab Dispositif pour dévier un fil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE788480A (fr) * 1971-09-23 1973-03-06 Rieter Ag Maschf Dispositif d'envidage avec changement automatique de bobine et moyens pour la compensation des variations de tension du fil au changement de bobine
FR2303204A1 (fr) * 1975-03-06 1976-10-01 Commissariat Energie Atomique Dispositif de mise sous tension de rubans ou cables pour telemanipulateur
CA1113067A (fr) * 1979-01-11 1981-11-24 Ralph C. Wirsig Bobineuse a haute vitesse pour fil inextensible
JPS60113612A (ja) * 1983-11-24 1985-06-20 三菱重工業株式会社 板バネ型電線リ−ルストッパ−装置
DE4235203A1 (de) * 1992-10-19 1994-04-21 Rieter Ingolstadt Spinnerei Spinnereivorrichtung
EP1975106B1 (fr) * 2007-03-26 2012-07-18 Lunatone Industrielle Elektronik GmbH Tension de fil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2454917C2 (de) 1974-11-20 1981-11-19 W. Schlafhorst & Co, 4050 Mönchengladbach Verfahren und Vorrichtung zum Wickeln konischer Kreuzspulen bei konstanter Fadenzuführgeschwindigkeit
DE2803378C2 (fr) 1977-03-01 1987-02-12 Maschinenfabrik Rieter Ag, Winterthur, Ch
DE3519945C2 (fr) 1985-06-04 1987-03-19 F.M.N. Schuster Gmbh & Co Kg, 5030 Huerth, De
EP0790208B1 (fr) 1996-02-16 1999-06-16 Iro Ab Dispositif pour dévier un fil

Also Published As

Publication number Publication date
CN101885434B (zh) 2013-08-14
DE102009021066A1 (de) 2010-11-18
EP2251291A3 (fr) 2014-02-19
EP2251291B1 (fr) 2017-05-31
CN101885434A (zh) 2010-11-17

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