EP1234902B1 - Méthode et dispositif dans un métier à filer pour étirer un matériau fibreux, par ex. coton ou des fibres chimiques - Google Patents

Méthode et dispositif dans un métier à filer pour étirer un matériau fibreux, par ex. coton ou des fibres chimiques Download PDF

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Publication number
EP1234902B1
EP1234902B1 EP01126350A EP01126350A EP1234902B1 EP 1234902 B1 EP1234902 B1 EP 1234902B1 EP 01126350 A EP01126350 A EP 01126350A EP 01126350 A EP01126350 A EP 01126350A EP 1234902 B1 EP1234902 B1 EP 1234902B1
Authority
EP
European Patent Office
Prior art keywords
fibre
pressure
drafting zone
pressure bars
main drafting
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.)
Revoked
Application number
EP01126350A
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German (de)
English (en)
Other versions
EP1234902A3 (fr
EP1234902A2 (fr
Inventor
Chokri Cherif
Burkhard Wulfhorst
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.)
Truetzschler GmbH and Co KG
Original Assignee
Truetzschler 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
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Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP1234902A2 publication Critical patent/EP1234902A2/fr
Publication of EP1234902A3 publication Critical patent/EP1234902A3/fr
Application granted granted Critical
Publication of EP1234902B1 publication Critical patent/EP1234902B1/fr
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
    • D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
    • D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
    • D01H5/20—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by contact with stationary or reciprocating surfaces
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies

Definitions

  • the invention relates to a method for drawing on a spinning machine a textile fiber dressing, e.g. B. from cotton, man-made fibers and. the like at least one sliver clamped between pairs of rollers by deduction increased speed is stretched, with a pressure rod at least deflects a sliver between the two clamping points of the main drafting zone and comprises an apparatus for performing the method.
  • a textile fiber dressing e.g. B. from cotton, man-made fibers and. the like at least one sliver clamped between pairs of rollers by deduction increased speed is stretched, with a pressure rod at least deflects a sliver between the two clamping points of the main drafting zone and comprises an apparatus for performing the method.
  • the invention particularly relates to an optimized design of a pressure rod for better guidance of textile fibers in draw frames, which are used for the warping of several slivers are designed and have a decisive influence on the Have uniformity of the drawn slivers.
  • the warping on fiber tapes is achieved by the tapes usually through three Roller pairs are guided, their peripheral speed in the direction of passage increases.
  • the doubling is intended to vary the fineness on short and large Compensate lengths.
  • Critical to the warping processes are those fibers the length of which is shorter than the clamping line distance of two successive ones Roller pairs. You will not be affected by the front or the front for a short time rear rollers are jammed and can thus cause an uncontrolled movement To run.
  • These so-called floating fibers are responsible for the formation of Distortion waves responsible, which negatively affect the uniformity of the tapes influence.
  • the number of floating fibers is different from that Fiber length distribution of the material and the set clamping line distances dependent. The larger these distances are selected, the higher the proportion of floating and uncontrolled fibers. Because of this, they are modern Drafting systems with an additional fixed compression rod in the main drafting zone fitted. As a result, the floating fibers are better guided and it becomes thus achieved significantly better band uniformity.
  • the compression rod geometry will reduce deposits on the Pressure rod achieved by using a pressure rod with a different cross-section which is fixedly arranged across the width of the stretching field.
  • the pressure rod has a rectangular cross-section, with its narrow end faces are rounded. The rounding of the end faces forms a semicircular shape Rounding.
  • a fiber guiding device consists of a Push rod, which has a bent skid pointing towards the pair of output rollers, the mouth of a suction channel being arranged at the end of the runner.
  • the invention is based on the object, a method and a To create device of the type described, which has the disadvantages mentioned avoid.
  • the object of the invention is, in particular, the execution of the to optimize the known pressure rod so that better guidance of the fibers, especially at very high production speeds (greater than 600 m / min), is ensured.
  • At least two compression bars are attached in the main draft zone, which are fixed across the width of the stretching field.
  • the pressure bars can be positioned one behind the other or one above the other or offset one above the other become. This will result in a significantly better guidance of the fibers in the Main default area achieved.
  • a reduction in fiber fly from unguided or floating fibers that detach from the nonwoven become. This means that fewer good fibers get into the outlet.
  • the pressure rod expediently has one in comparison to the previous embodiment new geometry in such a way that the fiber guide organ the fibers in the warping area deflected and in contact with the fibers over a surface.
  • the size of the Depending on the fiber material (material type, Fiber length distribution, proportion of floating fibers etc.) can be designed. This variant is particularly suitable for fiber tapes with a high proportion floating fibers and with further adjustment of the clamping point distances in the Suitable for arrears.
  • the sheet-like fiber guide element is fixed appropriate.
  • the contact surface of this organ can be both horizontal and Warp direction are inclined.
  • Fig. 1 shows the basic functioning of a route, for. B. Trützschler line HS.
  • a number of fiber slivers 1 are placed next to one another and pass through a drafting device 2, as a rule consisting of three pairs of rollers 21a, 21b; 22a, 22b; 23a, 23b; 24 existing, between which the actual delay takes place. These are the input roller pair 21a, 21b, the middle roller pair 22a, 22b and the delivery roller pair 23a, 23b; 24. Due to the different peripheral speeds of the pairs of rollers, the slivers 1 are warped in accordance with their ratio.
  • the drafting system 2 basically consists of a pre-draft zone 14 and a main draft zone 15.
  • two compression bars 3 1 , 3 2 are attached in the main draft zone 15, which touch and deflect the nonwoven fabric 1. This results in better guidance of the shorter (floating) fibers, which leads to the leveling of the stretch belts.
  • the pressure bars 3 1 , 3 2 are stationary during operation and are positioned over the entire width of the main drafting zone 15.
  • the warped fiber fleece is gripped into a draw frame 13 with the aid of a fleece funnel 4, drawn off by take-off rollers 5a, 5b and placed in a can 9 via belt guide members 6.
  • the pressure rods 3 1 , 3 2 are - seen in the working direction A - positioned one behind the other.
  • the tape guide members 6 include one rotating turntable 7 with a belt channel 8.
  • two pressure bars 3 1 , 3 2 are arranged above the fiber slivers 1 and one pressure bar 3 3 is arranged below the fiber slivers 1.
  • the slivers are deflected downwards by the pressure rods 3 1 , 3 2 and run between the pressure rods 3 1 , 3 2 on the one hand and the pressure rod 3 3 on the other.
  • the pressure rods 3 1 and 3 2 have an elongated shape, while the pressure rod 3 2 has a substantially circular cross section.
  • two pressure bars 3 4 are present, which are fused (integrated) into one component and form a fiber guide element.
  • the pressure bars 3 4 are attached to each other at an angle ⁇ .
  • the contact surface of the fiber slivers 1 and the pressure bars 3 4 is arranged inclined to the working direction A.
  • the pressure bars 3 4 are arranged above the slivers 1.
  • the pressure rod 3 4 is above and the pressure rod 3 3 is arranged below the slivers 1.
  • the pressure rods 3 1 to 3 4 have roundings and a smooth surface.
  • the invention was based on the example of pressure rods for the drafting system of a line shown. However, all drafting systems on spinning machines are included Pressure rods are used, e.g. B. ring spinning machines, combers and. etc. ..

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (15)

  1. Procédé pour étirer un composite textile de fibres, par exemple de coton, de fibres chimiques ou similaires, sur un métier à filer, dans lequel au moins un ruban de fibres pincé entre des paires de cylindres est étiré par enlèvement à vitesse accrue, dans lequel un barreau de compression fait dévier ledit au moins un ruban de fibres entre les deux points de pincement du champ d'étirage principal, caractérisé en ce que ledit au moins un ruban de fibres dans le champ d'étirage principal est dévié par au moins deux barreaux de compression.
  2. Procédé selon la revendication 1, caractérisé en ce que l'on étire un composite de fibres constitué par plusieurs rubans de fibres individuels.
  3. Dispositif prévu sur un métier à filer comportant un banc d'étirage pour étirer un composite textile de fibres, par exemple de coton, de fibres chimiques ou similaires, dans lequel au moins un ruban de fibres pincé entre des paires de cylindres est susceptible d'être étiré par enlèvement à vitesse accrue, et un barreau de compression est capable de faire dévier ledit au moins un ruban de fibres entre les deux points de pincement du champ d'étirage principal, pour mettre en oeuvre le procédé selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce qu'au moins deux barreaux de compression (31 à 34) sont agencés dans le champ d'étirage principal (15).
  4. Dispositif selon la revendication 3, caractérisé en ce qu'un composite de fibres constitué par plusieurs rubans de fibres individuels (1a à 1f) est susceptible d'être étiré.
  5. Dispositif selon l'une ou l'autre des revendications 3 et 4, caractérisé en ce que les barreaux de compression (31 à 34) sont stationnaires.
  6. Dispositif selon l'une des revendications 3 à 5, caractérisé en ce que les barreaux de compression (31 à 34) sont positionnés les uns derrière les autres.
  7. Dispositif selon l'une des revendications 3 à 6, caractérisé en ce que les barreaux de compression (31 à 34) sont positionnés les uns au-dessus des autres.
  8. Dispositif selon l'une des revendications 3 à 7, caractérise en ce que les barreaux de compression (31 à 34) sont positionnés les uns derrière les autres et les uns au-dessus des autres.
  9. Dispositif selon l'une des revendications 3 à 8, caractérisé en ce que dans le champ d'étirage principal (15) est prévu un organe de guidage de fibres (31 à 34) stationnaire et en forme de surface.
  10. Dispositif selon l'une des revendications 3 à 9, caractérisé en ce que dans le champ d'étirage principal (15) sont prévus deux organes de guidage de fibres (31 à 34) stationnaires et en forme de surface, entre lesquels est guidé le matériau de fibres (1) à étirer.
  11. Dispositif selon l'une des revendications 3 à 10, caractérisé en ce que la surface de contact des organes de guidage de fibres respectifs (31 à 34) est parallèle à la direction d'étirage (A).
  12. Dispositif selon l'une des revendications 3 à 11, caractérisé en ce que la surface de contact des organes de guidage de fibres respectives (31 à 34) est inclinée par rapport à la direction d'étirage (A).
  13. Dispositif selon l'une des revendications 3 à 12, caractérisé en ce qu'il est prévu une combinaison d'au moins un barreau de compression (31 à 34) stationnaire et en forme de surface et d'un organe de guidage de fibres (31 à 34) stationnaire et en forme de surface.
  14. Dispositif selon l'une des revendications 3 à 13, caractérisé en ce que le banc d'étirage (2) fait partie d'un étirage.
  15. Dispositif selon l'une des revendications 3 à 14, caractérisé en ce que le banc d'étirage (2) fait partie d'un métier continu à filer.
EP01126350A 2000-11-28 2001-11-07 Méthode et dispositif dans un métier à filer pour étirer un matériau fibreux, par ex. coton ou des fibres chimiques Revoked EP1234902B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10059117 2000-11-28
DE10059117 2000-11-28

Publications (3)

Publication Number Publication Date
EP1234902A2 EP1234902A2 (fr) 2002-08-28
EP1234902A3 EP1234902A3 (fr) 2003-01-02
EP1234902B1 true EP1234902B1 (fr) 2004-04-14

Family

ID=7665017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01126350A Revoked EP1234902B1 (fr) 2000-11-28 2001-11-07 Méthode et dispositif dans un métier à filer pour étirer un matériau fibreux, par ex. coton ou des fibres chimiques

Country Status (4)

Country Link
US (1) US6564431B2 (fr)
EP (1) EP1234902B1 (fr)
JP (1) JP2002201537A (fr)
DE (1) DE50101978D1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10307415A1 (de) * 2002-02-20 2003-09-18 Rieter Ingolstadt Spinnerei Textilmaschine mit einem Streckwerk
DE20221912U1 (de) * 2002-11-11 2009-06-10 Spindelfabrik Suessen Gmbh Spinnmaschine mit Verdichtungseinrichtung
EP1544332A1 (fr) * 2003-12-17 2005-06-22 Pinter, S.A. Procédé pour paralléliser des fibres dans un système d'étirage et appareil pour son implémentation
DE102005006273A1 (de) * 2004-04-21 2005-11-10 Trützschler GmbH & Co KG Vorrichtung zum Verfestigen eines förderbaren Faservlieses, z. B. aus Baumwolle, Chemiefasern o. dgl.
CN102443888B (zh) * 2004-05-29 2015-06-10 利特英格纺织机械制造股份公司 压力棒以及带压力棒的纺纱准备机器
DE102004042119A1 (de) * 2004-08-30 2006-03-02 Trützschler GmbH & Co KG Vorrichtung zur Herstellung eines Faservlieses, z.B. aus Baumwolle, Chemiefasern o.dgl.
JP2006200069A (ja) * 2005-01-20 2006-08-03 Murata Mach Ltd 空気式精紡機におけるドラフト装置
CN101403147B (zh) * 2007-11-09 2011-06-22 潘思敏 一种纺纱装置
KR100978531B1 (ko) * 2010-03-10 2010-08-27 주식회사 자영 복수개의 프론트탑롤러를 구비한 정방기
DE102014011210A1 (de) * 2014-07-29 2016-02-04 Saurer Germany Gmbh & Co. Kg Verfahren zur Herstellung eines luftgesponnenen Garnes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3016409A1 (de) * 1980-04-29 1981-11-05 W. Schlafhorst & Co, 4050 Mönchengladbach Walzenstreckwerk mit einer faserfuehrungsvorrichtung im hauptverzugsfeld
DE3048501C2 (de) * 1980-12-22 1983-06-30 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Kämmstrecke
CN1039632A (zh) * 1988-07-15 1990-02-14 里特机械公司 用于纺纱机的牵伸装置
DE58905669D1 (de) * 1988-08-30 1993-10-28 Rieter Ag Maschf Hochverzugsstreckwerk für ein flyerloses Spinnverfahren.
DE4242722A1 (de) 1992-12-17 1994-06-23 Rieter Ingolstadt Spinnerei Druckstab
CH693181A5 (de) * 1998-04-16 2003-03-27 Truetzschler Gmbh & Co Kg Vorrichtung am Ausgang einer Strecke.

Also Published As

Publication number Publication date
EP1234902A3 (fr) 2003-01-02
JP2002201537A (ja) 2002-07-19
DE50101978D1 (de) 2004-05-19
US20020066165A1 (en) 2002-06-06
US6564431B2 (en) 2003-05-20
EP1234902A2 (fr) 2002-08-28

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