WO2003044252A1 - Dispositif monte sur un metier a filer pour la condensation d'un assemblage de fibres - Google Patents

Dispositif monte sur un metier a filer pour la condensation d'un assemblage de fibres Download PDF

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Publication number
WO2003044252A1
WO2003044252A1 PCT/EP2002/011659 EP0211659W WO03044252A1 WO 2003044252 A1 WO2003044252 A1 WO 2003044252A1 EP 0211659 W EP0211659 W EP 0211659W WO 03044252 A1 WO03044252 A1 WO 03044252A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
conveyor belt
suction
pressure roller
suction housing
Prior art date
Application number
PCT/EP2002/011659
Other languages
German (de)
English (en)
Inventor
Gerd Stahlecker
Original Assignee
Maschinenfabrik Rieter Ag
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 Maschinenfabrik Rieter Ag filed Critical Maschinenfabrik Rieter Ag
Publication of WO2003044252A1 publication Critical patent/WO2003044252A1/fr

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
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control
    • 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
    • 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
    • D01H5/72—Fibre-condensing guides

Definitions

  • the invention relates to a device on a spinning machine for compacting a fiber structure, with a pair of output rollers which delimit the draft zone of a drafting system and contains a driven lower roller and a pressure roller, with a compression zone following the draft zone, with an air-permeable conveyor belt which transports the fiber structure through the compression zone and which has a
  • the roller of the pair of output rollers wraps around with a suction housing assigned to the compression zone and guiding the conveyor belt on a sliding surface, with a suction slot located in the sliding surface and with a clamping roller which delimits the end of the compression zone and forms a nip with the sliding surface.
  • a so-called spin triangle is created at the exit nip line of the exit roller pair. This is due to the fact that the stretched fiber structure leaves the drafting system with a certain width and is twisted into a thread of relatively small diameter.
  • the spinning triangle contains edge fibers that are not properly incorporated into the twisted thread and thus contribute little or nothing to the strength of the spun thread. It has therefore recently started to assign a so-called compression zone to the draft zone of the drafting system, which in turn is delimited on the outlet side by a clamping point. Only then will the thread the spin spin granted. The fibers are bundled or compacted in the compression zone, which means that the fiber structure is so narrow when it leaves the nip that the dreaded spinning triangle is no longer created. The spun thread then becomes more even, firmer and less hairy.
  • a device of the type mentioned at the outset for compacting a fiber structure is known from DE 198 37 181 A1.
  • the conveyor belt wraps around the lower roller of the pair of output rollers and is driven thereby.
  • the stretched fiber structure thus already reaches the " conveyor belt" at the exit nip line of the exit roller pair, so that the fiber structure to be bundled is supported from the start and guided in a controlled manner to the suction slot. This results in an increased thread quality.
  • a disadvantage of the known device is the fact that the lower roller wrapped in the conveyor belt runs in the machine longitudinal direction and thus drives a large number of conveyor belts. This is very cumbersome when a conveyor belt may need to be changed, since endless conveyor belts cannot be threaded because of the continuous lower roller.
  • the invention is based on the object of not obstructing the replacement of conveyor belts while maintaining the aforementioned advantages of the prior art.
  • the object is achieved in that the conveyor belt wraps around the pressure roller of the pair of output rollers of the drafting system.
  • the suction housing together with the conveyor belt is about the axis of the pressure roller pivotable.
  • the suction housing is expediently designed as a deflection guide for the conveyor belt.
  • the conveyor belt is thus held taut on the one hand by the pressure roller and on the other hand by the suction housing.
  • the pinch roller no separate drive needs to be provided for the pinch roller, since the conveyor belt can drive the pinch roller delimiting the compression zone.
  • the clamping roller is connected to its own drive.
  • the conveyor belt is driven on the one hand by the clamping roller and on the other hand by the lower cylinder, which in turn drives the printing roller wrapped around the conveyor belt.
  • the suction housing also extends over two spinning positions and is assigned to a pressure roller twin.
  • a twin suction housing can be connected to a suction pipe which is arranged on the load carrier.
  • Several such suction pipes can then be connected to a central pipeline which extends over a few spinning positions, for example a machine section.
  • Per Pipeline is then advantageously provided a single fan for generating the negative pressure.
  • FIG. 1 shows a partially sectioned side view of a device according to the invention
  • Figure 2 is a view in the direction of arrow II of Figure 1, some components of Figure 1 are omitted for clarity, especially various drafting rollers.
  • FIGS. 1 and 2 Of a spinning machine, in particular a ring spinning machine, only the end region of a drafting unit 2 is shown in FIGS. 1 and 2 in connection with a device for compacting a fiber structure 1. From the drafting unit 2 itself, only a pair of output rollers 3 and a pair of apron rollers 4 in front of it are drawn with a bottom strap 5 and an top strap 6.
  • the output roller pair 3 in turn consists of a driven lower roller 7 and a pressure roller 8, which defines an output nip line 9 with the lower roller 7.
  • the draft zone of the drafting unit 2 is ended at the output clamping line 9.
  • a sliver or roving 10 is drawn in the transport direction A to the desired fineness in a known manner.
  • a compression zone 11 in which the stretched, but still spinning-free fiber structure 1 is bundled or compressed.
  • An air-permeable conveyor belt 12 belongs to the compression zone 11 and can be designed as a thin, fine-mesh fabric belt made of polyamide threads.
  • the conveyor belt 12 transports the fiber structure 1 to be compressed through the compression zone 11 and is guided over a sliding surface 13.
  • the sliding surface 13 is preferably the outer contour of a suction housing 14 which is under vacuum and which extends over two spinning positions a, b.
  • the suction housing 14 is connected to a suction pipe 18 via a vacuum connection 15, which leads to a vacuum source, not shown.
  • the suction slot 16 per spinning position a, b, which extends essentially in the direction of transport A, but slightly obliquely to the direction of movement of the conveyor belt 12.
  • the suction slot 16 In its inner side in the running direction, the suction slot 16 has a so-called gathering edge 17, along which the fiber structure 1 to be compacted moves and at the same time rolls off easily.
  • a clamping roller 19 is provided which presses the fiber structure 1 together with the conveyor belt 12 against the sliding surface 13 at a clamping point 20 and which is driven by the conveyor belt 12.
  • the clamping point 20 thus delimits the compression zone 11 and at the same time acts as a swirl stop for the subsequent spin rotation, which should not run back into the compression zone 11.
  • the spun thread 21 is then formed, which is fed in the direction of delivery B to a swirl element, not shown, for example an annular spindle.
  • the drafting unit 2 includes, in a known manner, a load carrier 22 which, in addition to the pressure roller 8 and the other pressure rollers of the drafting unit 2, which are not described in more detail, also carries the suction housing 14.
  • the Load pressures are applied by suitable spring means 23, 24.
  • the conveyor belt 12 sliding over the outer contour of the suction housing 14 also wraps around the pressure roller 8 and is driven thereby, since the pressure roller 8 is in turn pressed against the driven lower roller 7 under the pressure of the spring means 23.
  • the stretched fiber assembly 1, which is still to be compressed, is thus guided continuously from the starting clamping line 9 and is transported in a controlled manner to the start of the suction slot 16.
  • the suction housing 14 is connected to the pressure roller 8 to form a common component and can be pivoted together with the conveyor belt 12 about the axis 25 of the pressure roller 8.
  • the conveyor belt 12 thus runs both around the suction housing 14 and the pressure roller 8.
  • the common component is supported on the one hand on the lower roller 7 and on the other hand on the pinch roller 19.
  • the suction housing 14 is connected via a connecting piece 29 to an adjacent suction housing 14 and, together with the latter, is pivotably mounted on the axis 25 of the pressure roller 8 via cheeks 27 and 28.
  • the suction housing 14 is at the same time designed as a deflection guide 26 for the conveyor belt 12. As indicated by dash-dotted lines in FIG. 1, it may alternatively be provided if necessary to connect the clamping roller 19 to its own drive 30 and to drive it in the direction of the arrow. This is useful if a slight tensioning delay is to be exerted on the fiber structure 1 to be compressed.

Landscapes

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

Abstract

Il est prévu, en aval d'une paire de cylindres délivreurs d'un dispositif d'étirage d'un métier à filer, une zone de condensation destinée à condenser un assemblage de fibres étirées et encore exemptes de torsion de filature. Une bande transporteuse perméable à l'air déplace l'assemblage de fibres à travers la zone de condensation. A cet effet, la bande transporteuse est guidée sur une surface de glissement d'un carter d'aspiration. Il est prévu, dans la surface de glissement, une rainure de succion s'étendant sensiblement en direction du déplacement de l'assemblage de fibres. La fin de la zone de condensation est limitée par un rouleau de serrage. La bande transporteuse entoure le cylindre de pression de la paire de cylindres délivreurs, guidant ainsi de manière sûre l'assemblage de fibres à condenser jusqu'à la rainure de succion. De préférence, le carter d'aspiration est monté pivotant autour de l'axe du cylindre de pression.
PCT/EP2002/011659 2001-11-22 2002-10-18 Dispositif monte sur un metier a filer pour la condensation d'un assemblage de fibres WO2003044252A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001158001 DE10158001A1 (de) 2001-11-22 2001-11-22 Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes
DE10158001.0 2001-11-22

Publications (1)

Publication Number Publication Date
WO2003044252A1 true WO2003044252A1 (fr) 2003-05-30

Family

ID=7707030

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/011659 WO2003044252A1 (fr) 2001-11-22 2002-10-18 Dispositif monte sur un metier a filer pour la condensation d'un assemblage de fibres

Country Status (4)

Country Link
CN (1) CN1589342A (fr)
DE (1) DE10158001A1 (fr)
IT (1) ITMI20022422A1 (fr)
WO (1) WO2003044252A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2467102C1 (ru) * 2011-06-29 2012-11-20 Государственное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия" (ИГТА) Вытяжной прибор прядильной машины
RU2471898C2 (ru) * 2011-02-09 2013-01-10 Государственное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия"(ИГТА) Устройство для выпуска мычки на прядильной машине
DE102012107892A1 (de) * 2012-08-28 2014-03-06 Maschinenfabrik Rieter Ag Vorrichtung zum Verdichtungsspinnen für eine Spinnmaschine und Spinnmaschine
CN105544025A (zh) * 2016-01-26 2016-05-04 张�浩 一种四罗拉负压集聚纺纱的装置
WO2019115346A1 (fr) * 2017-12-15 2019-06-20 Maschinenfabrik Rieter Ag Banc d'étirage pour un métier à filer

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010016808A1 (fr) * 2008-08-04 2010-02-11 Ozdilek Alisveris Merkezleri Ve Tekstil Sanayi Anonim Sirketi Système de fabrication de fil compact
CH704137A1 (de) 2010-11-26 2012-05-31 Rieter Ag Maschf Vorrichtung zum Verdichten eines Faserverbandes an einer Spinnmaschine sowie Spinnmaschine.
DE102012025176A1 (de) * 2012-12-24 2014-06-26 Rotorcraft Ag Verdichter
CH715157A1 (de) * 2018-07-09 2020-01-15 Rieter Ag Maschf Streckwerk einer Ringspinnmaschine mit einer Kompaktierzone.
JP7180333B2 (ja) * 2018-12-04 2022-11-30 株式会社豊田自動織機 紡機の繊維束集束装置
DE102019128326A1 (de) * 2019-10-21 2021-04-22 Saurer Spinning Solutions Gmbh & Co. Kg Verdichtungsvorrichtung für ein Streckwerk einer Spinnmaschine sowie Streckwerk für eine Verdichtungsvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323472A1 (de) * 1993-07-14 1995-01-19 Inst F Textil Und Verfahrenste Doppelriemchen-Streckwerk
DE19837181A1 (de) * 1998-08-17 2000-02-24 Stahlecker Fritz Vorrichtung zum Verdichten eines verstreckten Faserverbandes
EP0986659A1 (fr) * 1998-04-03 2000-03-22 Zinser Textilmaschinen GmbH Procede et metier a filer destines a la production de fils a ame

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323472A1 (de) * 1993-07-14 1995-01-19 Inst F Textil Und Verfahrenste Doppelriemchen-Streckwerk
EP0986659A1 (fr) * 1998-04-03 2000-03-22 Zinser Textilmaschinen GmbH Procede et metier a filer destines a la production de fils a ame
DE19837181A1 (de) * 1998-08-17 2000-02-24 Stahlecker Fritz Vorrichtung zum Verdichten eines verstreckten Faserverbandes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2471898C2 (ru) * 2011-02-09 2013-01-10 Государственное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия"(ИГТА) Устройство для выпуска мычки на прядильной машине
RU2467102C1 (ru) * 2011-06-29 2012-11-20 Государственное образовательное учреждение высшего профессионального образования "Ивановская государственная текстильная академия" (ИГТА) Вытяжной прибор прядильной машины
DE102012107892A1 (de) * 2012-08-28 2014-03-06 Maschinenfabrik Rieter Ag Vorrichtung zum Verdichtungsspinnen für eine Spinnmaschine und Spinnmaschine
CN105544025A (zh) * 2016-01-26 2016-05-04 张�浩 一种四罗拉负压集聚纺纱的装置
CN105544025B (zh) * 2016-01-26 2018-12-21 无锡万宝纺织机电有限公司 一种四罗拉负压集聚纺纱的装置
WO2019115346A1 (fr) * 2017-12-15 2019-06-20 Maschinenfabrik Rieter Ag Banc d'étirage pour un métier à filer

Also Published As

Publication number Publication date
CN1589342A (zh) 2005-03-02
DE10158001A1 (de) 2003-06-05
ITMI20022422A1 (it) 2003-05-23

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