WO2018234912A1 - Dispositif de compactage pour un métier à filer - Google Patents

Dispositif de compactage pour un métier à filer Download PDF

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Publication number
WO2018234912A1
WO2018234912A1 PCT/IB2018/054031 IB2018054031W WO2018234912A1 WO 2018234912 A1 WO2018234912 A1 WO 2018234912A1 IB 2018054031 W IB2018054031 W IB 2018054031W WO 2018234912 A1 WO2018234912 A1 WO 2018234912A1
Authority
WO
WIPO (PCT)
Prior art keywords
suction
axis
roller
rollers
protective
Prior art date
Application number
PCT/IB2018/054031
Other languages
German (de)
English (en)
Inventor
Hanspeter KAPPELER
Robert Nägeli
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
Priority to EP18734963.4A priority Critical patent/EP3642403A1/fr
Priority to JP2019570916A priority patent/JP2020524756A/ja
Priority to US16/624,324 priority patent/US20200216985A1/en
Priority to CN201880041760.3A priority patent/CN110741112A/zh
Publication of WO2018234912A1 publication Critical patent/WO2018234912A1/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
    • D01H5/72—Fibre-condensing guides
    • 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
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • 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
    • D01H5/60—Arrangements maintaining drafting elements free of fibre accumulations
    • D01H5/62—Non-rotary cleaning pads or plates; Scrapers
    • 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
    • D01H1/02—Spinning or twisting machines in which the product is wound-up continuously ring type
    • D01H1/025—Spinning or twisting machines in which the product is wound-up continuously ring type with a condensing device between drafting system and spinning unit

Definitions

  • the invention relates to a compacting device for two juxtaposed drafting units of a spinning machine according to the preamble of the independent claim and to a equipped with a compacting machine textile machine.
  • a compacting device for compacting (compacting) the fiber material discharged from a drafting unit (fiber strand) a compacting device is arranged downstream. Subsequent to such a compacting device, the compacted fiber material, after passing through a nip, a swirl-generating device is supplied.
  • a swirling device consists e.g. in a ring spinning machine from a rotor, which rotates on a ring, wherein the yarn produced is wound on a rotating sleeve.
  • compression means are substantially evacuated circumferential, perforated suction drums or circumferential, provided with perforations straps used.
  • a special suction region is defined on the compression element using corresponding inserts within the suction drum, or within the circumferential straps.
  • Such inserts may e.g. be provided with correspondingly shaped suction slots, to which a negative pressure is applied, whereby a corresponding air flow is generated at the periphery of the respective compression element.
  • a compaction roller with a rotation locking roller are received in a bearing element which is connected via a plate via screws with a pivotable loading arm of a drafting device.
  • the drive In mounted and locked position, the drive is driven by friction from a directly connected to a drive gear roller and its associated pressure roller transferred to the compaction roller and the rotation locking roller.
  • the compacting device shown here is also intended for retrofitting to existing drafting equipment of spinning machines without compression.
  • the attachment of the compression unit shown here to an existing drafting unit via a screw connection, as well as the threading at the axis of the pressure roller is relatively time consuming and requires an additional Einjusttechnik the distances.
  • the connection to a vacuum source must be made separately.
  • the suction elements which are associated with a defined compression area for compressing the fiber material, are acted upon by additionally arranged lines, which are connected to a vacuum source, with a negative pressure.
  • the compacting device In order to produce a drive connection between the drafting rollers and the dismountably mounted compacting device, the compacting device is pivoted about the support member about a pivot axis in the direction of the output roller pair of the drafting system, wherein in each case a coaxially mounted on the respective suction drum friction wheel with the lower roller of the output roller pair of the drafting a frictional connection ( over friction).
  • the compacting device By means of appropriately arranged spring elements (eg on the loading arm of the drafting system), the compacting device is held in this drive connection.
  • WO2012068692A1 further proposes to provide a second gear between the drive element of the compression element of the first gear stage and the compression element.
  • a disadvantage of this embodiment is that there is occasionally on the clamping axis of the pinch roller to a winding formation. Presentation of the invention
  • the invention is based on the object of simplifying and improving the compacting devices known from WO2012068692A1 for two drafting units arranged next to one another in order to prevent the formation of a lap on the axis of the pinch roller.
  • this object is achieved by a compacting device according to the preamble of the independent claim, which is characterized in that there is a protective shield on the axis of the pinch rollers to prevent winding formation.
  • the shield can consist of two protective elements, which are located on both sides of the storage between the respective pinch roller and the central storage.
  • Both protective elements can be U-shaped and connected to each other via at least one web. They can be releasably connected to the pinch roller.
  • the shield can be easily attached to the pinch roller in this way and removed, for example, for cleaning purposes.
  • Both protective elements can be connected to one another via two webs, wherein the geometry of the webs provides for a rotation of the shield on the pinch roller, on the other hand that the shield can be releasably secured to the clamping roller in only one way.
  • the object is also achieved by a protective shield to prevent winding formation on the axis of the pinch rollers of a compacting device, wherein the protective shield is detachably fastened to the clamping axis.
  • the shield may consist of two U-shaped protective elements which are releasably fastened to the axis of the pinch rollers and which are interconnected by a web.
  • it may consist of plastic, wherein both protective elements are designed as a hollow profile. It can be made by injection molding.
  • the above object is further achieved by a textile machine according to the preamble of the independent textile machine claim, which is characterized in that there is a protective shield on the axis of the pinch rollers to prevent winding formation. Further advantages of the invention will be apparent from an embodiment described below and shown.
  • Figure 1 is a schematic side view of a drafting system with a support element according to the invention
  • FIG. 2 shows a plan view of a compression device according to the invention with a protective shield on the shaft of the clamping axis;
  • Fig. 3 is a protective shield according to the present invention. represent. Only features important to the invention are shown. Like reference numerals designate like features in different figures.
  • FIG. 1 shows a schematic side view of a spinning station 1 of a spinning machine (ring spinning machine) with a drafting unit 2, which is provided with an input roller pair 3, 4, a middle roller pair 5, 6 and a pair of output rollers 7, 8.
  • a strap 12, 13 out which are each held around a cage, not shown in detail in its illustrated position.
  • the upper rollers 4, 6, 8 of said pairs of rollers are designed as pressure rollers which are rotatably mounted on the axes 4a, 6a, 8a on a pivotally mounted pressure arm 10.
  • a pressure arm 10 is assigned to two adjacent drafting unit units 2 (twin drafting system).
  • the pressure arm 10 is pivotally mounted about an axis 15 and is, as shown schematically, via a spring element.
  • This spring element may for example also be an air hose.
  • the rollers 4, 6, 8 pressed against the lower rollers 3, 5 and 7 of the roller pairs.
  • the roller pairs 3, 5, 7 are driven by a drive, not shown. In this case, individual drives, as well as other forms of drive (gears, timing belts, etc.) can be used.
  • the driven lower rollers 3, 5, 7, the pressure rollers 4, 6, 8, and the belt 13 are driven via the belt 12 via friction.
  • the peripheral speed of the driven roller 5 is slightly higher than the peripheral speed of the driven roller 3, so that the drafting unit 2 supplied fiber material 1 1 in the form of a fuse between the input roller pair 3, 4 and the middle roller pair 5, 6 is subjected to a pre-delay.
  • the main delay of the fiber material 1 1 takes place between the middle roller pair 5, 6 and the pair of output rollers 7, 8, wherein the output roller 7 has a substantially higher peripheral speed than the center roller 5.
  • the drawn from the respective output roller pair 7, 8 stretched fiber material 1 1 is deflected downward and enters the region of a suction zone 16 of a subsequent suction drum 17, which is part of the inventive compression device.
  • the respective suction drum 17 is provided with perforations or openings 39 extending on its circumference.
  • a pinch roller 18 is provided for each of the suction drums 17, which rests on the respective suction drum 17 via a pressure load and forms a nip line therewith.
  • the respective pinch roller 18 is rotatably mounted on an axis 19, which is held in a guide slot 20 of a U-shaped receptacle of a pressure arm 21.
  • the axis 19 is slidably mounted transversely to its longitudinal axis within the guide slot 20.
  • a plunger which rests on the outer circumference of the axis 19 and is acted upon by a compression spring 22 shown schematically.
  • the opening is approximately centrally located at the end of the guide slot 20 and opens into a, substantially closed cavity of the pressure arm 21, in which the compression spring 22 is arranged.
  • the pressure arm 21 is pivotally mounted about a, attached to its end axis in a bearing element. In this pivotal position, the axes are held transversely to its pivot axis at the end of a respective guide via a stop edge shown schematically in Figure 1.
  • pinch rollers 18 are loaded against the respective suction drum 17, wherein the nip arises.
  • the pressure arm 21 is pivoted over dead center until it rests on a stop.
  • the pressure lever 10 is pivoted about its pivot axis 15 of a dashed upper position in a lower position, in which via a fixed by means of screws 23 on the pressure lever 10 leaf spring 24 and the leaf spring fixed to the web 25 a compressive force on the compression device in the direction the roller 7 is exercised.
  • a drive element 40 described below the suction drum 17 connected thereto is driven by the roller 7 via friction.
  • a vacuum source 26 is provided which communicates with a central suction channel 27.
  • the suction channel 27 is connected via a line 28, a flexible coupling element 29 with the respective, in the direction of the suction channel 27 projecting end of Saugka- nals 31 of the compacting device, in conjunction. Due to the flexibility of the coupling element 29, the pivoting of the compression device about an axis 30 is made possible.
  • the coupling element 29 shown schematically may be formed on its outer circumference, so that it is connected in a form-fitting manner when joining two half-shells and with a formed suction channel 31 outwardly. The construction and assembly of the half-shells in such a support element are known from WO2012068692A1.
  • the spinning machine can be advantageously retrofitted with the compacting device.
  • the nip line generated by the pinch roller 18 at the same time forms a so-called "rotation lock nip", from which the fiber material 11 is fed in the conveying direction in the form of a compressed yarn 32 with rotation of a schematically shown ring spinning device
  • the yarn is wound on a sleeve 35 to form a bobbin 36.
  • a yarn guide 37 is arranged between the nip line and the runner 34.
  • the ring 33 is fastened to a ring frame 38, which during the process of FIG Spinning process performs an up and down movement.
  • Fig. 2 shows a plan view of a compression device according to the invention with a protective shield 42 on the shaft of the axis 19 of the pinch rollers 18 and Fig. 3 shows the shield 42 in a single view.
  • the shield 42 consists of two protective elements 43, which are located on both sides of the storage / guide slot 20 between the respective pinch roller 18 and the central storage 20. Both protective elements 43 are U-shaped and connected via two webs 44 with each other. The geometry of the webs 44 provides for an anti-rotation of the shield 42 on the pinch roller 18, on the other hand that the shield 42 can be releasably secured to the pinch roller in only one way. Both protective elements 43 will be releasably connected to the axis 19 of the pinch roller 18.
  • the shield 42 can be easily attached to the axis 19 in this way and removed, for example, for cleaning or replacement.
  • Both protective elements 43 can be configured as a hollow profile, which allows a simple and cost-effective production. It can be made of plastic by injection molding. be presented.

Landscapes

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

Abstract

L'invention concerne au dispositif de compactage, comprenant deux tambours d'aspiration (17), chaque tambour d'aspiration (17) pouvant être associé à une paire de cylindres de sortie (7, 8) d'une unité de train d'étirage (2) d'un métier à filer, la paire de cylindres de sortie (7, 8) étant composée d'un cylindre inferieur de sortie (7) et d'un cylindre supérieur de sortie (8) ; les tambours d'aspiration (17) étant montés en rotation avec un palier sur un arbre fixé à un élément de support ; un canal d'aspiration (31) s'étendant à l'intérieur de l'élément de support, et les tambours d'aspiration (31) comprenant chacun un élément d'entraînement (40) qui forme, en position de fonctionnement, une connexion d'entraînement avec le cylindre inferieur de sortie (7). L'invention se caractérise en ce qu'un bouclier de protection (42) pour la prévention de la formation d'enroulement se trouve sur l'axe des rouleaux de pincement (18). Elle concerne aussi un bouclier de protection (42) et un métier à filer correspondant.
PCT/IB2018/054031 2017-06-23 2018-06-06 Dispositif de compactage pour un métier à filer WO2018234912A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18734963.4A EP3642403A1 (fr) 2017-06-23 2018-06-06 Dispositif de compactage pour un métier à filer
JP2019570916A JP2020524756A (ja) 2017-06-23 2018-06-06 紡績機械用の集束装置
US16/624,324 US20200216985A1 (en) 2017-06-23 2018-06-06 Compacting Device for a Spinning Machine
CN201880041760.3A CN110741112A (zh) 2017-06-23 2018-06-06 用于纺纱机的压实装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00824/17A CH713916A1 (de) 2017-06-23 2017-06-23 Verdichtungsvorrichtung für eine Spinnmaschine.
CH00824/17 2017-06-23

Publications (1)

Publication Number Publication Date
WO2018234912A1 true WO2018234912A1 (fr) 2018-12-27

Family

ID=62778961

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/054031 WO2018234912A1 (fr) 2017-06-23 2018-06-06 Dispositif de compactage pour un métier à filer

Country Status (6)

Country Link
US (1) US20200216985A1 (fr)
EP (1) EP3642403A1 (fr)
JP (1) JP2020524756A (fr)
CN (1) CN110741112A (fr)
CH (1) CH713916A1 (fr)
WO (1) WO2018234912A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018005732A1 (de) * 2018-07-20 2020-01-23 Saurer Technologies GmbH & Co. KG Fadenspannungsbeeinflussungseinrichtung für eine Zwirn- oder Kabliermaschine

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426249A1 (de) 1994-07-25 1996-02-01 Rieter Ag Maschf Spinnverfahren und Spinnmaschine mit abgedeckter Saugwalze am Streckwerk
DE10050089A1 (de) 2000-03-08 2001-10-11 Zinser Textilmaschinen Gmbh Streckwerk für eine Spinnereimaschine
DE10018480A1 (de) 2000-04-14 2001-10-18 Stahlecker Fritz Vorrichtung zum Verdichten eines Faserverbandes
DE19846268C2 (de) 1998-03-31 2002-07-04 Schurr Stahlecker & Grill Vorrichtung zum Verdichten eines verstreckten Faserverbundes
DE10227463C1 (de) 2002-06-20 2003-10-16 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit Streckwerken und Verdichtungsvorrichtungen
EP0947614B1 (fr) 1998-04-03 2004-05-06 Saurer GmbH & Co. KG Métier de filature avec un dispositif d'étirage pourvu d'un cylindre d'aspiration
CN2622207Y (zh) * 2003-06-04 2004-06-30 上海市纺织机械研究所 一种带防尘架的集聚纺纱装置上罗拉组件
DE60102742T2 (de) * 2000-06-08 2005-04-14 Marzoli S.P.A., Palazzolo Sull'oglio Halter zum Positionieren von Einheiten die Textilfasern strecken und verdichten
DE102005010903A1 (de) 2004-03-11 2005-09-29 Pinter, S.A., Santpedor Betätigungsvorrichtung für Faserverdichtungsmechanismen in Strecksystemen von Spinnmaschinen
CN1712588A (zh) 2004-06-23 2005-12-28 倪远 紧密纺纱须条凝聚的方法和装置
CN2851298Y (zh) 2005-11-04 2006-12-27 倪远 环锭精纺机紧密纺纱装置
EP1612309B1 (fr) 2004-06-22 2009-09-02 Kabushiki Kaisha Toyota Jidoshokki Dispositif condenseur de rubans de fibres dans un métier à filer
EP2412852A2 (fr) * 2010-07-27 2012-02-01 Maschinenfabrik Rieter Ag Banc d'étirage pour un ensemble de fibres discontinues et agrégat de rouleaux d'impression correspondant
WO2012068692A1 (fr) 2010-11-26 2012-05-31 Maschinenfabrik Rieter Ag Dispositif d'entraînement pour un dispositif de compression sur un métier à filer
WO2013013329A1 (fr) * 2011-07-25 2013-01-31 Maschinenfabrik Rieter Ag Dispositif de serrage pour un métier à filer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH706258A2 (de) * 2012-03-21 2013-09-30 Rieter Ag Maschf Tragelement für eine Verdichtungsvorrichtung.

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4426249A1 (de) 1994-07-25 1996-02-01 Rieter Ag Maschf Spinnverfahren und Spinnmaschine mit abgedeckter Saugwalze am Streckwerk
DE19846268C2 (de) 1998-03-31 2002-07-04 Schurr Stahlecker & Grill Vorrichtung zum Verdichten eines verstreckten Faserverbundes
EP0947614B1 (fr) 1998-04-03 2004-05-06 Saurer GmbH & Co. KG Métier de filature avec un dispositif d'étirage pourvu d'un cylindre d'aspiration
DE10050089A1 (de) 2000-03-08 2001-10-11 Zinser Textilmaschinen Gmbh Streckwerk für eine Spinnereimaschine
DE10018480A1 (de) 2000-04-14 2001-10-18 Stahlecker Fritz Vorrichtung zum Verdichten eines Faserverbandes
DE60102742T2 (de) * 2000-06-08 2005-04-14 Marzoli S.P.A., Palazzolo Sull'oglio Halter zum Positionieren von Einheiten die Textilfasern strecken und verdichten
DE10227463C1 (de) 2002-06-20 2003-10-16 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit Streckwerken und Verdichtungsvorrichtungen
CN2622207Y (zh) * 2003-06-04 2004-06-30 上海市纺织机械研究所 一种带防尘架的集聚纺纱装置上罗拉组件
DE102005010903A1 (de) 2004-03-11 2005-09-29 Pinter, S.A., Santpedor Betätigungsvorrichtung für Faserverdichtungsmechanismen in Strecksystemen von Spinnmaschinen
EP1612309B1 (fr) 2004-06-22 2009-09-02 Kabushiki Kaisha Toyota Jidoshokki Dispositif condenseur de rubans de fibres dans un métier à filer
CN1712588A (zh) 2004-06-23 2005-12-28 倪远 紧密纺纱须条凝聚的方法和装置
CN2851298Y (zh) 2005-11-04 2006-12-27 倪远 环锭精纺机紧密纺纱装置
EP2412852A2 (fr) * 2010-07-27 2012-02-01 Maschinenfabrik Rieter Ag Banc d'étirage pour un ensemble de fibres discontinues et agrégat de rouleaux d'impression correspondant
WO2012068692A1 (fr) 2010-11-26 2012-05-31 Maschinenfabrik Rieter Ag Dispositif d'entraînement pour un dispositif de compression sur un métier à filer
WO2013013329A1 (fr) * 2011-07-25 2013-01-31 Maschinenfabrik Rieter Ag Dispositif de serrage pour un métier à filer
CH705308A1 (de) 2011-07-25 2013-01-31 Rieter Ag Maschf Verdichtungsvorrichtung für eine Spinnmaschine.

Also Published As

Publication number Publication date
EP3642403A1 (fr) 2020-04-29
US20200216985A1 (en) 2020-07-09
CN110741112A (zh) 2020-01-31
JP2020524756A (ja) 2020-08-20
CH713916A1 (de) 2018-12-28

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