EP1673497B1 - Streckwerk mit von riemchen umschlungenen zwillings-ausgangsoberwalzen - Google Patents

Streckwerk mit von riemchen umschlungenen zwillings-ausgangsoberwalzen Download PDF

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Publication number
EP1673497B1
EP1673497B1 EP04790385A EP04790385A EP1673497B1 EP 1673497 B1 EP1673497 B1 EP 1673497B1 EP 04790385 A EP04790385 A EP 04790385A EP 04790385 A EP04790385 A EP 04790385A EP 1673497 B1 EP1673497 B1 EP 1673497B1
Authority
EP
European Patent Office
Prior art keywords
aprons
rollers
twin
drafting unit
unit according
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
EP04790385A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1673497A1 (de
Inventor
Stefan Krawietz
Larissa Ausheyks
Theo GRÜN
Peter Artzt
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.)
Deutsche Institute fuer Textil und Faserforschung Denkendorf DITF
Original Assignee
Deutsche Institute fuer Textil und Faserforschung Denkendorf DITF
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 Deutsche Institute fuer Textil und Faserforschung Denkendorf DITF filed Critical Deutsche Institute fuer Textil und Faserforschung Denkendorf DITF
Publication of EP1673497A1 publication Critical patent/EP1673497A1/de
Application granted granted Critical
Publication of EP1673497B1 publication Critical patent/EP1673497B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/70—Constructional features of drafting elements
    • D01H5/86—Aprons; Apron supports; Apron tensioning arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/26—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by one or more endless aprons

Definitions

  • the invention relates to a drafting system with twin-output top rollers looped around by straps, in which the straps are guided around deflecting members, which are arranged on the region facing away from the clamping surface of the pair of delivery rollers.
  • the drafting roller pairs consist of a lower corrugated steel roller, the so-called lower roller, and an upper roller, the so-called upper roller, which is pressed by a loading device on the lower roller.
  • This top roller usually has an elastic coating, so that no nip line is formed, but by the deformation of the elastic pad a clamping surface, which causes a much better fiber retention. There is a good clamping effect on the fiber structure without damaging the fibers.
  • soft roller coverings result in better distortion results, since the clamping surface is the greater, the softer the covering is.
  • the soft roll coverings have the disadvantage that they wear out very quickly and must be reground.
  • the geometry of the drafting roller and thus also the properties of the lining changed, which in turn adversely affects the draft conditions and thus on the yarn quality.
  • the regrinding of the roll coverings is also a complex measure.
  • straps are used, which endeavor to assume an approximately circular shape in the unloaded state in the circumferential direction. Since the straps are usually made of synthetic material, this endeavor is given.
  • the distance between the skilletoberwalzen and the running surfaces of the deflecting members is chosen so that the straps can bulge in the areas between the upper roller and deflecting by the endeavor to take approximately circular shape in the circumferential direction. They are then only at low pressure on the deflecting and stand accordingly only under low tension. They therefore experience virtually no deceleration, consume no noticeable drive energy and are subject to virtually no wear.
  • the low contact pressure of the straps on the deflecting can be achieved when the diameter of the aspired circular shape about 11 ⁇ 2 to 3 times the circumference of the looped top rollers and the distance between the looped top rollers and the deflection corresponds to half to twice the diameter of the looped top rollers.
  • the two deflecting members of a twin top roller can be formed on a one-piece, rigid holder, which is fastened to a component connected to the twin top roller, advantageously releasably.
  • the holder may have a connectable with the axis of the twin top roller retaining member or on the handlebar of the twin top roller or on Oberwalzentrag- and loading arm be fastened.
  • the invention relates to a drafting of common design with a running over the length of the machine steel output lower roller 1, rest on the Oberwalzenzwillinge 2, of which here in the front view of FIG. 1 only one is shown.
  • the two top rollers 3 and 4 of the upper roller twins have a preferably soft coating 5 in order to achieve the initially described advantageous draft conditions. They are connected by a shaft 6, which is clipped on a spring-loaded arm 7.
  • the handlebar 7 is arranged on a Oberwalzentrag- and loading arm, not shown.
  • one-piece holder 8 are provided, from which laterally two deflecting members 9 protrude from running over the straps 10, 11, which also wrap around the top rollers 3 and 4.
  • These deflecting elements 9 have recessed running surfaces 12, which are bounded by collars 13 and 14 and thus prevent the straps from running off the top rollers 3 and 4 during the course of the drafting system.
  • the straps it is sufficient if they have a circumference which corresponds approximately to 11 ⁇ 2 times the circumference of the top rollers 3, 4.
  • the distance a between the axis of rotation of the top rollers and the running surfaces 12 of the deflecting members 9 then corresponds approximately to the diameter of the top rollers.
  • the circumference of the straps can be increased to about three times the circumference of the top rollers or in some cases even further, in which case the - in FIG. 3 drawn - distance a between the axis of rotation of the upper rollers and the running surfaces 12 of the deflecting members 9 to at least about twice the diameter of the upper rollers would increase. It is understood that the distance a in each case in relation to the circumference and also to the stiffness the straps 10, 11 must stand. For stiffer straps, the distance a should be reduced.
  • the holder 8 of the embodiment of the FIGS. 1 and 2 have two holding members 15 which are alsklippsbar on the shaft 6 of the associated Oberwalzenzwillings 2 and lead the holder.
  • a device can be easily removed from a handlebar 7, if an exchange of the top rollers 3, 4 or the straps 10, 11 is required.
  • the shaft 6 is clipped down from the handlebar and the holding members 15 swung forwards from the shaft.
  • systems are provided which can be formed in the simplest form by the tops of the handlebars 7, on which the central region 16 of the holder 8 hangs up.
  • the holders 8 are alsklippsbar on the handlebar 7 by means of resilient clamps 17 which are connected to the holder.
  • the holder 8 are already held rotatably.
  • the holder 8 may also be hinged to the Oberwalzentrag- and loading arms. In this case, they can, for example, be used in the holders of the upper cleaning rollers which are generally no longer required when using the looping straps.
  • the straps 10, 11 preferably consist of at least two layers, of which the outer layer, which comes into contact with the fibers, meets the requirements of good fiber clamping and low wear, the inner layer running over the running surfaces 12 of the deflecting elements 9 adapts to the requirement of low-friction running is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP04790385A 2003-10-17 2004-10-14 Streckwerk mit von riemchen umschlungenen zwillings-ausgangsoberwalzen Expired - Lifetime EP1673497B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10348452A DE10348452B4 (de) 2003-10-17 2003-10-17 Streckwerk mit von Riemchen umschlungenen Zwillings-Ausgangsoberwalzen
PCT/EP2004/011522 WO2005038104A1 (de) 2003-10-17 2004-10-14 Streckwerk mit von riemchen umschlungenen zwillings-ausgangsoberwalzen

Publications (2)

Publication Number Publication Date
EP1673497A1 EP1673497A1 (de) 2006-06-28
EP1673497B1 true EP1673497B1 (de) 2008-09-03

Family

ID=34442075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04790385A Expired - Lifetime EP1673497B1 (de) 2003-10-17 2004-10-14 Streckwerk mit von riemchen umschlungenen zwillings-ausgangsoberwalzen

Country Status (8)

Country Link
US (1) US7475531B2 (enExample)
EP (1) EP1673497B1 (enExample)
JP (1) JP4639193B2 (enExample)
CN (2) CN103088483B (enExample)
AT (1) ATE407240T1 (enExample)
DE (2) DE10348452B4 (enExample)
ES (1) ES2313088T3 (enExample)
WO (1) WO2005038104A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006011128B4 (de) * 2006-03-08 2016-04-28 Deutsche Institute für Textil- und Faserforschung Stuttgart Walzenstreckvorrichtung
DE102008010364A1 (de) 2008-02-18 2009-08-20 Spindelfabrik Suessen Gmbh Riemchenführungseinrichtung für eine Streckwerksoberwalze
WO2010016808A1 (en) * 2008-08-04 2010-02-11 Ozdilek Alisveris Merkezleri Ve Tekstil Sanayi Anonim Sirketi Compact yarn manufacturing system
US8650718B2 (en) * 2009-03-31 2014-02-18 Ozdilek Ev Tekstil Sanayi Ve Ticaret Anonim Sirketi In yarn production, apron cladding mechanism and method to the rollers coated with elastic material and found in the drafting and guiding zone, having shift structure and pre-tensioning mechanism
CN101876110B (zh) * 2010-07-30 2011-12-28 宁波民丰实业有限公司 尾部机构可接插式全碳纤上销及其制作方法
CH710141A1 (de) * 2014-09-23 2016-03-31 Rieter Ag Maschf Käfigaggregat mit Führungselement für ein Streckwerk einer Textilmaschine.
DE102016210514B3 (de) * 2016-06-14 2017-08-24 Siemens Aktiengesellschaft Mehrteilige Schürze für ein Fahrzeug
CN114293291B (zh) * 2021-12-31 2022-12-09 安徽兰翔智能制造有限公司 一种便于更换的纺织胶圈组件

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2231526A (en) * 1941-02-11 Mechanism for
NL42235C (enExample) * 1900-01-01
US2193196A (en) * 1937-06-15 1940-03-12 H & B American Machine Company Mechanism for drawing textile slivers or rovings
DE816069C (de) * 1950-03-08 1951-10-08 Deutscher Spinnereimaschb Ingo Streckwerk fuer Spinnmaschinen
CH360327A (de) * 1956-08-31 1962-02-15 Oskar Dipl Phys Koenig Streckwerk zum Verziehen von Fasergebilden
GB841583A (en) * 1957-03-25 1960-07-20 Spintex Spinnerei Maschb G M B Improvements in or relating to an apron tensioning device for a fibre drawing arrangement
US2943361A (en) * 1957-04-15 1960-07-05 Machinecraft Inc Spinning frame apron guides
US2856643A (en) * 1958-02-10 1958-10-21 Whitin Machine Works Apparatus for drafting relatively long textile fibers
GB1184793A (en) * 1960-11-20 1970-03-18 Mackie & Sons Ltd J Improvements relating to Textile Drafting Apparatus
GB1184787A (en) * 1960-11-20 1970-03-18 Mackie & Sons Ltd J Improvements relating to Textile Drafting Apparatus
GB1250622A (enExample) * 1968-05-13 1971-10-20
FR1593755A (enExample) * 1968-11-28 1970-06-01
SU494454A1 (ru) * 1973-05-24 1975-12-05 Костромское Специальное Конструкторское Бюро Текстильных Машин Клеточка верхнего ремешка двухремешкового выт жного прибора
CH603840A5 (enExample) * 1975-09-12 1978-08-31 Rieter Ag Maschf
JPS5430937A (en) * 1977-08-05 1979-03-07 Shiyouhou Miwa Apron draft system of spinning machine
SU701181A1 (ru) * 1977-11-21 1981-09-07 Ташкентское Специальное Конструкторское Бюро Текстильных Машин Верхн клеточка двухремешкового выт жного прибора текстильной машины
GB2058850B (en) 1979-09-25 1984-02-15 Tashkentslspetsial Konstrukt B Pressure roll for a drafting device for a textile machine
DE3360782D1 (en) * 1982-07-23 1985-10-17 Rieter Ag Maschf Drawing frame for a spinning machine
US4513481A (en) * 1982-09-02 1985-04-30 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Easily displaceable bottom tenser
JPH0194473U (enExample) * 1987-12-10 1989-06-21
DE3908651A1 (de) * 1989-03-16 1990-09-20 Skf Textilmasch Komponenten Streckwerk fuer spinnereimaschinen mit einem doppelriemchenaggregat
JP3438584B2 (ja) * 1998-05-08 2003-08-18 株式会社豊田自動織機 紡機におけるトップエプロンクレードル
DE19837181A1 (de) * 1998-08-17 2000-02-24 Stahlecker Fritz Vorrichtung zum Verdichten eines verstreckten Faserverbandes
DE19907905C2 (de) * 1999-02-24 2002-06-20 Skf Textilmasch Komponenten Walze für Riemchenstreckwerke
DE10260025A1 (de) 2002-12-19 2004-07-08 Deutsche Institute für Textil- und Faserforschung (DITF) Belag für Streckwerkswalzen

Also Published As

Publication number Publication date
CN1906339A (zh) 2007-01-31
CN103088483B (zh) 2015-06-24
US7475531B2 (en) 2009-01-13
EP1673497A1 (de) 2006-06-28
JP4639193B2 (ja) 2011-02-23
CN103088483A (zh) 2013-05-08
DE10348452A1 (de) 2005-05-25
ES2313088T3 (es) 2009-03-01
DE502004007999D1 (de) 2008-10-16
US20070169459A1 (en) 2007-07-26
ATE407240T1 (de) 2008-09-15
JP2007508472A (ja) 2007-04-05
DE10348452B4 (de) 2008-07-03
WO2005038104A1 (de) 2005-04-28

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