EP1673497A1 - Banc d'etirage comprenant des cylindres superieurs delivreurs jumeles, autour desquels passent des lanieres - Google Patents

Banc d'etirage comprenant des cylindres superieurs delivreurs jumeles, autour desquels passent des lanieres

Info

Publication number
EP1673497A1
EP1673497A1 EP04790385A EP04790385A EP1673497A1 EP 1673497 A1 EP1673497 A1 EP 1673497A1 EP 04790385 A EP04790385 A EP 04790385A EP 04790385 A EP04790385 A EP 04790385A EP 1673497 A1 EP1673497 A1 EP 1673497A1
Authority
EP
European Patent Office
Prior art keywords
straps
rollers
drafting system
aprons
twin
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
EP04790385A
Other languages
German (de)
English (en)
Other versions
EP1673497B1 (fr
Inventor
Stefan Krawietz
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 Stuttgart
Original Assignee
INST TEXTILCHEMIE und CHEMIEFA
Deutsche Institute fuer Textil und Faserforschung Stuttgart
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 INST TEXTILCHEMIE und CHEMIEFA, Deutsche Institute fuer Textil und Faserforschung Stuttgart filed Critical INST TEXTILCHEMIE und CHEMIEFA
Publication of EP1673497A1 publication Critical patent/EP1673497A1/fr
Application granted granted Critical
Publication of EP1673497B1 publication Critical patent/EP1673497B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 straps wrapped twin exit top rollers, in which the straps are guided around deflection elements which are arranged on the area facing away from the clamping surface of the pair of exit rollers.
  • the drafting roller pairs therefore consist of a lower corrugated steel roller, the so-called lower roller, and an upper roller, the so-called upper roller, which is pressed onto the lower roller by a loading device.
  • this top roller has an elastic covering so that no clamping line is created, but rather a clamping surface due to the deformation of the elastic covering, which results in a significantly better fiber retention.
  • a good clamping effect is exerted on the fiber structure without damaging the fibers.
  • soft roller coverings result in better warping results, since the softer the covering, the larger the clamping surface.
  • the soft roller coverings have the disadvantage that they wear out very quickly and have to be reground. This changes the geometry of the drafting roller and thus also the properties of the covering, which in turn has a disadvantageous effect on the draft conditions and thus on the yarn quality.
  • the regrinding of the roller 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 effort is given.
  • the distance between the top output rollers and the running surfaces of the deflection elements is selected such that the straps can bulge in the areas between the top roller and the deflection element due to the attempt to assume an approximately circular shape in the circumferential direction. You are then only with little pressure on the deflection and stand accordingly only under low tension. You therefore experience practically no braking, do not consume any noticeable drive energy and are practically not subject to wear.
  • the low contact pressure of the straps on the deflection elements can be achieved if the diameter of the desired circular shape is approximately V / 2 to 3 times the circumference of the wrapped top rollers and the distance between the wrapped top rollers and the deflection elements is half to twice the diameter of the wrapped top rollers equivalent.
  • the two deflection members of a twin top roller can be formed on a one-piece, rigid holder, which is attached to a component connected to the twin top roller - advantageously detachably -.
  • the holder may have a bondable with the axis of Zwilüngsoberwalze 'holding member or be attachable to the handlebar of the Zwilüngsoberwalze or at Oberwalzentrag- and loading.
  • Contact surfaces are provided for the lateral guidance of the straps.
  • FIG. 1 shows the front view of a drafting system in a first embodiment of the invention in section in plane AA;
  • Fig. 2 is a side view of the subject of Fig. 1; 3 shows a further possibility for fastening a holder in a front view; 4 shows the side view of the object of FIG. 3.
  • the invention is based on a drafting system of common design with a steel output lower roller 1 which runs over the length of the machine and on which top twin rollers 2 rest, of which only one is shown here in the front view of FIG.
  • the two top rollers 3 and 4 of the top roller twins have a preferably soft coating 5 in order to achieve the advantageous drafting conditions described at the beginning. They are connected by a shaft 6 which is clipped onto a spring-loaded link 7.
  • the link 7 is arranged on a top roller support and loading arm, not shown.
  • one-piece holders 8, preferably made of injection molding, are provided, from which two deflection members 9 protrude laterally, run over the straps 10, 11, which also loop around the upper rollers 3 and 4.
  • These deflection elements 9 have recessed running surfaces 12 which are delimited by frets 13 and 14 and thus prevent the straps from running sideways from the upper rollers 3 and 4 when the drafting system runs.
  • the straps For the desired mode of operation of the straps, it is sufficient if they have a circumference which corresponds to approximately 1/2 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 deflection elements 9 then corresponds approximately to the diameter of the top rollers.
  • the circumference of the straps can, however, be increased to approximately three times the circumference of the top rollers or in some cases even further, in which case the distance a - shown in FIG. 3 - between the axis of rotation of the top rollers and the running surfaces 12 of the deflection elements 9 is at least approximately would be to increase twice the diameter of the top rollers. It goes without saying that the distance a is in a corresponding relationship to the circumference and also to the stiffness the straps 10, 11 must stand. The distance a should be reduced for stiffer straps.
  • the holders 8 of the embodiment of FIGS. 1 and 2 have two holding members 15, which can be clipped onto the shaft 6 of the associated top roller twin 2 and guide the holders.
  • a device can be easily removed from a handlebar 7 when an exchange of the top rollers 3, 4 or the straps 10, 11 is required.
  • the shaft 6 is clipped down out of the handlebar and the holding members 15 are swung forward from the shaft.
  • the holders 8 endeavor to rotate clockwise with the top rollers 3, 4 in the side view of FIG.
  • systems are provided which can be formed in the simplest form by the upper sides of the links 7, on which the middle area 16 of the holder 8 lies.
  • the holders 8 can be clipped onto the handlebars 7 by means of resilient clamps 17 which are connected to the holder.
  • the holders 8 are already held in a rotationally fixed manner.
  • the holder 8 can also be articulated on the upper roller support and loading arms. In this case, they can, for example, be inserted into the holders of the upper cleaning rollers, which are generally no longer required when using the wrapping straps.
  • the straps 10, 11 preferably consist of at least two layers, of which the outer layer, which comes into contact with the fibers, is adapted to the requirements of good fiber clamping and low wear, the inner layer, which runs over the running surfaces 12 of the deflection elements 9, is adapted to the need for low-friction operation is.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Treatment Of Fiber Materials (AREA)
EP04790385A 2003-10-17 2004-10-14 Banc d'etirage comprenant des cylindres superieurs delivreurs jumeles, autour desquels passent des lanieres Not-in-force EP1673497B1 (fr)

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 (fr) 2003-10-17 2004-10-14 Banc d'etirage comprenant des cylindres superieurs delivreurs jumeles, autour desquels passent des lanieres

Publications (2)

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

Family

ID=34442075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04790385A Not-in-force EP1673497B1 (fr) 2003-10-17 2004-10-14 Banc d'etirage comprenant des cylindres superieurs delivreurs jumeles, autour desquels passent des lanieres

Country Status (8)

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

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 (fr) * 2008-08-04 2010-02-11 Ozdilek Alisveris Merkezleri Ve Tekstil Sanayi Anonim Sirketi Système de fabrication de fil compact
WO2010114503A1 (fr) 2009-03-31 2010-10-07 Ozdilek Alisveris Merkezleri Ve Tekstil Sanayi Anonim Sirketi Mécanisme et procédé de production de manchon pour rouleaux revêtus de matière élastique utilisés dans les zones d'étirage et de guidage comprenant une structure de décalage et un mécanisme de pré-tension
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)

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Publication number Priority date Publication date Assignee Title
NL42235C (fr) * 1900-01-01
US2231526A (en) * 1941-02-11 Mechanism for
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 (fr) * 1968-05-13 1971-10-20
FR1593755A (fr) * 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 (fr) * 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 (fr) * 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

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Title
See references of WO2005038104A1 *

Also Published As

Publication number Publication date
WO2005038104A1 (fr) 2005-04-28
DE10348452B4 (de) 2008-07-03
US7475531B2 (en) 2009-01-13
CN1906339A (zh) 2007-01-31
US20070169459A1 (en) 2007-07-26
CN103088483B (zh) 2015-06-24
ATE407240T1 (de) 2008-09-15
JP4639193B2 (ja) 2011-02-23
EP1673497B1 (fr) 2008-09-03
DE502004007999D1 (de) 2008-10-16
CN103088483A (zh) 2013-05-08
JP2007508472A (ja) 2007-04-05
ES2313088T3 (es) 2009-03-01
DE10348452A1 (de) 2005-05-25

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