EP1560961A1 - Metier a filer equipe d'un dispositif de serrage - Google Patents

Metier a filer equipe d'un dispositif de serrage

Info

Publication number
EP1560961A1
EP1560961A1 EP03757629A EP03757629A EP1560961A1 EP 1560961 A1 EP1560961 A1 EP 1560961A1 EP 03757629 A EP03757629 A EP 03757629A EP 03757629 A EP03757629 A EP 03757629A EP 1560961 A1 EP1560961 A1 EP 1560961A1
Authority
EP
European Patent Office
Prior art keywords
guide
fiber structure
machine according
drafting
compression
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
EP03757629A
Other languages
German (de)
English (en)
Other versions
EP1560961B1 (fr
Inventor
Rudolf Wehrli
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.)
Mondgenast Peter
Maschinenfabrik Rieter AG
Original Assignee
Mondgenast Peter
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 Mondgenast Peter, Maschinenfabrik Rieter AG filed Critical Mondgenast Peter
Publication of EP1560961A1 publication Critical patent/EP1560961A1/fr
Application granted granted Critical
Publication of EP1560961B1 publication Critical patent/EP1560961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
    • 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 spinning machine according to the preamble of the independent claim, it is also proposed for use in compression spinning machines according to claim 4.
  • Spinning machines of this type either have a drafting system with a special outlet roller which is connected to a suction device, or a compression device working with negative pressure is connected to a conventional two-stage drafting system with three pairs of cylinders.
  • the compression takes place on an air-permeable compression element which is moved with the fiber structure and which is subjected to negative pressure from the inside, the compression being effected by the suction air flowing transversely against the fiber structure.
  • a special guide is provided in the main draft of the drafting system and / or before reaching the compression device, which allows the drawn fibers to drift apart less than in conventional drafting systems without forcing the individual fibers to change direction substantially.
  • this is achieved by a deflecting element, the surface of which is coated with at least some of the fibers, preferably in such a way that all fibers of a fiber assembly are deflected in the same way and / or in the same direction.
  • a prismatic deflection element - rod-shaped with essentially uniform cross sections which is arranged transversely to the direction of flow of the fiber stream and is arranged in the longitudinal direction of the drafting cylinder.
  • This guide element can be arranged immediately before the fiber structure runs onto a compression element.
  • the change in direction of the fiber structure by the guide element is preferably 1.5 to 5 °.
  • the spinning machine according to the invention in use in a multi-cylinder drafting system, with at least 3 pairs of drafting rollers and double straps on one of the pairs of rollers, wherein for guiding a fiber assembly one of the straps is directed as close as possible to an outlet cylinder against a pair of outlet cylinders, which cage from the strappy is looped, is characterized by an additional rod-shaped guide either for the fiber structure or for the strap, which guide is arranged between the strap and the outlet cylinder.
  • the guide can be concave towards the outlet cylinder and convex towards the fiber structure.
  • the guide can be arranged between two top rollers towards the apron so that, viewed from the outside, the strap undergoes a concave deflection.
  • the additional guide for the fiber structure can be arranged in the transport direction of the fiber structure in or after a stretching area and before a compression area, in particular before the fiber structure emerges on a compression element of the compression device.
  • Figure 1 and Figure 5 shows a cross section and a side view of a conventional two-stage drafting system, in which the guide element is integrated.
  • Figure 2 shows a detail from Figure 1, showing the essential elements in the vicinity of the guide element.
  • Figure 2a the guide element with the fiber structure.
  • Figure 3 shows the attachment of the guide to elements of the drafting system.
  • FIG. 4 shows another exemplary embodiment for a drafting arrangement with a compression device, the latter being arranged downstream of the drafting arrangement.
  • Figure 6 shows a guide element on an apron, which allows a longer guidance of the fiber structure through the straps.
  • Figure 7 different mounting options for the guide
  • the spinning machine is equipped with a compression device 1, which is connected to a drafting system 1a of the spinning machine, and is characterized by an additional guide 34 for the fiber structure, which in the transport direction of the fiber structure is after a stretching area 4, 5 and before a compression area, in particular before emergence of the fiber structure 11 is arranged on a compression element 19 of the compression device.
  • the guide element 34 of the guide is a prismatic rod which is arranged in the longitudinal direction of the drafting cylinder and has a cross section which is rounded on the functional side,
  • the guide element 34 is arranged such that it is penetrated by a connecting line or tangent to a nip 23 between an outlet cylinder 2 and an upper roller 2 'pressed against it and the outlet nip between an upper apron 5 and lower apron 4 of the drafting system 1a,
  • outlet cylinder 2 of the drafting unit 1a is optionally designed as a compression element 19 of a compression device 1 with an air-permeable cylindrical surface
  • the guide element 34 is fastened by means of holding elements 340 to holding parts for straps, in particular a cage 30 for a straps 4, 5 of the drafting system 1a,
  • leaf springs are attached to the ends of a guide element 34, fastened with a snap connection at the ends of a cage 30 for an apron 5 of the drafting system 1 a,
  • a guide 34 for a fiber structure 11 with a deflection element 33 sits on an edge of a cage 30 for an upper apron 5 of the drafting system 1a on an edge of the cage 30 at a spacer 32,
  • the drafting system 1a with the compression device 1 according to FIG. 1 transports a fiber structure 11 via an inlet cylinder 42 with a first top roller 42 'pressed against it through a pre-drafting field to a center cylinder 3 with a second top roller 3'.
  • the middle cylinder 3 is wrapped by a lower belt 4 which, driven by the middle cylinder, runs over a bridge 40.
  • a loading device 10 according to Figure 4 against the lower belt Chen 4 is pressed by means of a loading device 10 according to Figure 4, the upper roller 3 'with an upper strap 5 and a cage 30.
  • the upper apron 5 is driven by it in contact with the lower apron 3, the fibers of the fiber composite 11 coming from the pre-drafting area between the inlet cylinder 42 and the middle cylinder 3 being retained in the main drafting area against the pull of the outlet cylinder 2.
  • the outlet cylinder 2 is designed as a compression element 19, ie as a perforated drum with internal suction.
  • the upper strap 5 wraps around the second upper roller 3 ', on the one hand, and a spacer 32, which sits on the cage 30.
  • a guide element 34 is arranged between the outlet point of the fiber bandage 11 from the lower apron 4 or upper apron 3 and the outlet cylinder 2 with the third upper roller 2 ', which deflects the fiber bandage 11 a little, as shown in FIG. 1, as a result of which the fibers of the Fiber dressing 11 is reached and in particular shorter fibers are prevented from detaching from the dressing.
  • a round rod in particular with a diameter between 3 and 6 mm, is preferably used as the guide element 34.
  • the guide element 34 is arranged as close as possible to the surface of the discharge cylinder 2 or the compression element 19, with a distance of less than 1 mm.
  • the fiber structure After being deflected by the guide element 34, the fiber structure runs up a few degrees on the surface of the compacting element 19, the looping path between the nip point of the third upper roller 2 'and the fourth upper roller 1' lying on the compacting element 19.
  • a screen 19 'above the compression element 19 ensures that the incoming suction air is guided as parallel as possible to the axis of the outlet cylinder 2.
  • the fiber structure is then preferably screwed in by means of a ring spinning device 40 and wound onto a yarn spool.
  • yarns in the fineness range Ne 3 to 100, preferably 3 ... 50, in particular 3 to 30, can be spun.
  • the template can consist of all known spinnable fiber materials also with a high short fiber content, especially carded cotton, also MMF, PES, blends. Thanks to the guide 34, good yarn quality Actual values achieved.
  • the reference symbols in FIGS. 2 and 2a apply analogously to those in FIG. 1.
  • FIG. 3 shows two embodiments for fastening the guide 34 in the drafting system.
  • the cage 30 for guiding the top straps 5 is mounted in a stationary but pivotable manner on the load device 10 mentioned with second top rollers 3 '. In the first exemplary embodiment of the guide element of the guide 34, this extends over the entire length of a section of the cage 30 in FIG. 3.
  • the ends of the guide element 34 are held by holding elements 340, 340 '.
  • the holding elements 340 are fixed in place at the ends of the cage 30, for example with the aid of fastening elements 342 in the form of pins or screws.
  • the holding elements 340 can be made, for example, as leaf springs from spring steel. They can be snapped laterally into the ends of the cages by means of fastening pins 342 in bores in alignment with the fastening elements 342.
  • a comparatively short guide element 34 is attached to the right longitudinal edge of the cage 30 by means of two holding elements 340, 340 ', at the ends of which riders 342 are seated.
  • the riders 342 sit directly next to riders 320 of the spacer 32.
  • the spacer serves to guide the top strap 5, which is deflected by the deflection element 33 between the riders 320.
  • the riders 342, like the riders 320 of the spacer, shown in perspective view, can be designed with a greater distance between the riders 342 than between the riders 320.
  • a holding element 340 is seated next to the rider 342 in the manner shown in FIG Spacer 32 on the cage 30.
  • the spacer 32 is shown in perspective and the short guide element 34 with the holding elements 340 in perspective / schematic representation.
  • the guide element of the guide 34 is a preferably circular-cylindrical prismatic element.
  • the guide 34 can also be fastened directly on the deflection element 33.
  • FIG 4. Another embodiment of a drafting system with a compression device is shown in Figure 4. Of the drafting system 1a, only the middle cylinder 3 and the outlet cylinder 2 are shown with the upper rollers 3 '(second upper roller) and 2' (third upper roller) pressed on by the loading device 10. Between the third top roller 2 'and the fourth top roller 1' sits a further roller 27 which serves to drive the fourth top roller V through the third top roller 2 '.
  • the outlet cylinder 2 is not designed as a compression element; this is to the left of it, a vacuum system 15 being wrapped around by a compression element 9 in the form of an air-permeable strap.
  • the compacting element 19 is moved forwards along the compacting zone 13 by the fourth top roller 1 'with the fiber structure 11 or the yarn 25.
  • the compression of the fiber structure 11 in the compression zone 13 takes place along a suction slot 17 through which air is drawn into the vacuum system 15.
  • the axes 8 and 21 of the third upper roller 2 'and the fourth upper roller 21 are held by the loading device 10.
  • the fiber structure 11 is held by an upper strap 5 on the second
  • This guide element can, for example, like the guide element 34 described, be designed as a circular cylindrical rod or, as indicated by dashed lines, as a flat, more or less flat guide part which extends at least in the region of the fiber structure 11 along the spinning machine.
  • the first guide element 34 improves the cohesion of the fibers in the main draft zone of the drafting system between the middle cylinder 3 and the outlet cylinder 2, while the second guide element 34 ′ serves as a guide table for the fiber structure between the outlet cylinder 2 and the compression element 19.
  • the second nip 24 between the compression device 1 and the fourth top roller 1 ' limits the twist in the yarn 25, which originates from a downstream spinning device.
  • the guide 34 is to be arranged in such a way that a connecting line between the clamping gap 23 of the outlet cylinder pair 2, 2 'and the outlet-side clamping point of the strappy pair 4, 5 partially penetrates the guide element 34.
  • the surface quality of the deflection or guide is to be selected depending on the desired effect and raw material.
  • the deflection can be fixed or rotatable.
  • the guide element 34 can also be attached to the deflection bridge 40.
  • the guide 34 can be arranged between two top rollers 2 ', 3' towards the apron 5 in such a way that, viewed from the outside, this leads to a concave deflection through the guide 34. It is thus possible to bring the strap closer to the upper roll 2 ', with which the fiber structure 11 is guided over a longer distance if not additionally.
  • the additional guide 34 for the fiber structure in the transport direction of the fiber structure can be arranged in or after a stretching area 4, 5 and before a compression area, in particular before the fiber structure 11 runs onto a compression element 19 of the compression device ,
  • the guide 34 can be fastened with holding elements 340a and 340c to axes of upper rollers 2 ', 3' or to a loading arm 344.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP03757629A 2002-11-11 2003-11-06 METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres Expired - Lifetime EP1560961B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10252631A DE10252631A1 (de) 2002-11-11 2002-11-11 Spinnmaschine mit Verdichtungseinrichtung
DE10252631 2002-11-11
PCT/CH2003/000728 WO2004044292A1 (fr) 2002-11-11 2003-11-06 Metier a filer equipe d'un dispositif de serrage

Publications (2)

Publication Number Publication Date
EP1560961A1 true EP1560961A1 (fr) 2005-08-10
EP1560961B1 EP1560961B1 (fr) 2010-01-06

Family

ID=32115464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03757629A Expired - Lifetime EP1560961B1 (fr) 2002-11-11 2003-11-06 METIER A FILER EQUIPE D'UN DISPOSITIF DE condensation de fibres

Country Status (7)

Country Link
EP (1) EP1560961B1 (fr)
JP (1) JP4582637B2 (fr)
CN (3) CN101423989B (fr)
AT (1) ATE454487T1 (fr)
AU (1) AU2003273720A1 (fr)
DE (3) DE10252631A1 (fr)
WO (1) WO2004044292A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006041770A1 (de) * 2006-09-04 2008-03-06 Maschinenfabrik Rieter Ag Faserverdichtungsvorrichtung in einem Steckwerk einer Spinnmaschine
DE102007049337A1 (de) * 2007-10-12 2009-04-16 Wilhelm Stahlecker Gmbh Streckwerk zum Verziehen eines Faserverbandes
DE102009018125A1 (de) 2009-04-09 2010-10-14 Wilhelm Stahlecker Gmbh Käfigaggregat für ein Streckwerk einer Textilmaschine
JP5526977B2 (ja) * 2010-04-23 2014-06-18 株式会社豊田自動織機 紡機のドラフト装置
DE102010034314A1 (de) 2010-08-13 2012-02-16 Wilhelm Stahlecker Gmbh Streckwerk und Trag- und Belastungsarm dafür
JP2012132105A (ja) * 2010-12-20 2012-07-12 Toyota Industries Corp 紡機におけるドラフト装置
CN103757763A (zh) * 2014-01-06 2014-04-30 天津工业大学 一种纺制包芯纱的设备及方法
CH710141A1 (de) * 2014-09-23 2016-03-31 Rieter Ag Maschf Käfigaggregat mit Führungselement für ein Streckwerk einer Textilmaschine.
CH711153A1 (de) * 2015-06-01 2016-12-15 Rieter Ag Maschf Käfig mit verstellbarer Druckstangenbefestigung für ein Druckwalzenpaar eines Streckwerks.
DE102016109170A1 (de) 2016-05-19 2017-11-23 Maschinenfabrik Rieter Ag Käfigaggregat und Führungselement
DE102019110881A1 (de) * 2019-04-26 2020-10-29 Saurer Intelligent Technology AG Riemchenstreckwerk

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DE877876C (de) * 1950-09-22 1953-05-28 Deutscher Spinnereimaschb Ingo Luntenverdichter fuer Streckwerke von Spinnmaschinen
US3001241A (en) * 1957-05-21 1961-09-26 Aymerich Juan Comerma Drafting train on continuous spinning machines
FR1310600A (fr) * 1961-10-16 1962-11-30 Alsacienne Constr Meca Dispositif de contrôle des fibres dans les systèmes de laminage de mèches de fibres textiles
JPS5547879Y2 (fr) * 1975-12-13 1980-11-10
US4051577A (en) * 1976-02-27 1977-10-04 Progressive Equipment, Inc. Fiber condenser
JPS5723504Y2 (fr) * 1977-10-07 1982-05-21
JPS5723505Y2 (fr) * 1977-10-07 1982-05-21
JPS5623682U (fr) * 1979-07-30 1981-03-03
JPS5668118A (en) * 1979-11-08 1981-06-08 Murata Mach Ltd Drafting apparatus in spinning machine
JPS606448Y2 (ja) * 1980-08-09 1985-03-01 豊和工業株式会社 練条機における制御バ−装置
JPS5953726A (ja) * 1982-09-22 1984-03-28 Toyota Central Res & Dev Lab Inc 繊維束のドラフト装置
JPS60189571U (ja) * 1984-05-23 1985-12-16 株式会社　石川製作所 練篠機ドラフト装置におけるプレツシヤ−バ−
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DE19906139B4 (de) * 1999-02-13 2008-01-10 TRüTZSCHLER GMBH & CO. KG Regulierstreckwerk für einen Faserverband, z. B. Baumwolle, Chemiefasern o. dgl., mit mindestens einem Verzugsfeld
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DE10104784A1 (de) * 2001-01-26 2002-08-08 Fritz Stahlecker Vorrichtung an einer Spinnmaschine zum Verdichten eines Faserverbandes

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Also Published As

Publication number Publication date
ATE454487T1 (de) 2010-01-15
CN102212901B (zh) 2013-02-06
CN101423989A (zh) 2009-05-06
CN102212901A (zh) 2011-10-12
CN101423989B (zh) 2011-12-28
CN1774529B (zh) 2011-12-14
WO2004044292A1 (fr) 2004-05-27
AU2003273720A1 (en) 2004-06-03
DE10252631A1 (de) 2004-05-19
EP1560961B1 (fr) 2010-01-06
CN1774529A (zh) 2006-05-17
JP2006505703A (ja) 2006-02-16
JP4582637B2 (ja) 2010-11-17
AU2003273720A8 (en) 2004-06-03
DE20221912U1 (de) 2009-06-10
DE50312325D1 (de) 2010-02-25

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