EP1338687A1 - Mehrfachkomponentes Effektgarn und Verfahren und Vorrichtung zur Herstellung - Google Patents

Mehrfachkomponentes Effektgarn und Verfahren und Vorrichtung zur Herstellung Download PDF

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Publication number
EP1338687A1
EP1338687A1 EP03466001A EP03466001A EP1338687A1 EP 1338687 A1 EP1338687 A1 EP 1338687A1 EP 03466001 A EP03466001 A EP 03466001A EP 03466001 A EP03466001 A EP 03466001A EP 1338687 A1 EP1338687 A1 EP 1338687A1
Authority
EP
European Patent Office
Prior art keywords
component
rotor
yarn
continuous
fancy
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
EP03466001A
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English (en)
French (fr)
Other versions
EP1338687B1 (de
Inventor
Jiri Sloupensky
Josef Ludvicek
Milan Kubovy
Rudolf Hehl
Miroslav Halfar
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.)
Rieter CZ AS
Original Assignee
Rieter CZ AS
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.)
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Publication date
Priority claimed from CZ2002555A external-priority patent/CZ2002555A3/cs
Priority claimed from CZ2003148A external-priority patent/CZ2003148A3/cs
Application filed by Rieter CZ AS filed Critical Rieter CZ AS
Publication of EP1338687A1 publication Critical patent/EP1338687A1/de
Application granted granted Critical
Publication of EP1338687B1 publication Critical patent/EP1338687B1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns

Definitions

  • the invention relates to a multi-component fancy rotor yarn comprising a continuous component and a component spun in the rotor of a rotor spinning machine from singled-out fibres, the multi-component yarn being of varying thickness throughout its length.
  • the invention also relates to the method of production of such a multi-component fancy rotor yarn on a rotor spinning machine into the rotor of which there are fed a continuous component of a multi-component yarn and singled-out fibres from one sliver from which the spun component is spun out and in the rotor combined with the continuous component into the multi-component fancy rotor yarn.
  • the invention further relates to a rotor spinning machine for producing the multi-component fancy rotor yarn, the rotor spinning machine comprising a plurality of operating stations situated next to each other out of which each contains a device for feeding the sliver into a singling-out device, a device for feeding singled-out fibres into the rotor, and a device for feeding the continuous component into the rotor.
  • US 4,218,868 has disclosed the production of the fancy rotor yarn of varying thickness on a rotor spinning machine in which the alternating yarn deflection between the draw-off rollers and the outlet from the delivery tube from the rotor changes the yarn length between the collecting surface of the rotor where yarn is being formed and the draw-off rollers and thus changes the yarn delivery speed and, consequently, the thickness of the yarn on which thick and thin sections are formed in this way.
  • the drawback of the device consists in its constructional complexity and in the fact that the retaining means interferes into the stream of singled-out fibres fed into the rotor.
  • the retained and then released fibres that is to say, are not set in parallel at their entry into the rotor which is one of the basic conditions of the rotor spinning. Consequently, this solution, not known to have come into practical application, would lead to irregularities not only in the yarn appearance but also in the yarn strength, and to interruptions of the front yarn due to the supply of unparallel fibres.
  • DE 41 24 571 describes a method of production of fancy yarn comprising thick and thin sections on rotor spinning machines in which the sliver is led into a singling-out device in which it is singled-out to separate fibres which are through a transport channel fed into the rotating rotor where they are collected on its collecting groove, twisted into yarn which is from the rotor drawn by a pair of draw-off rollers and wound on a bobbin.
  • a nozzle adapted for interrupted supply of pressure air so as to increase or to reduce the number of singled-out fibres led into the rotor for spinning.
  • CZ 239510 discloses a rotor spinning device whose sliver feed device comprises two separate feed rollers situated on a common support shaft and a divided feed table.
  • One feed roller is fixed on the support shaft and serves to feed the basic fibre component while the other serves to supply the fancy component of the fibre and is adapted both to slide and to rotate on the support shaft.
  • Said other feed roller is fitted with an activating means actuated according to the programmed selection of the feed of the fibre fancy component.
  • a drawback consists in the displacing arrangement of the second feed roller in the area of the fibre or roving feed since it involves the deposition of dust, broken-away fibre particles and impurities coming from the sliver or roving with the ensuing faults of the device.
  • Also known in the rotor spinning machines is the production of multi-component yarns comprising a continuous component, in particular an elastic component, and a component spun in the rotor from singled-out fibres.
  • CS 218925 B1, CS 221970 B1, and CS 222553 B1 disclose a multi-component yarn comprising a spun component consisting of the rotor yarn made from staple fibres which is in the sense of its windings wound around by one or more continuous components.
  • the lead angle of the continuous components can be different, or the continuous components can be wound around in an irregular helix.
  • the spun component acts as a core of the multi-component yarn and has a constant cross section.
  • the invention aims at increasing the range of multi-component fancy rotor yarns, proposing a method of production, and creating a device, for the production of such yarns.
  • the goal of the invention has been achieved by a multi-component fancy rotor yarn comprising a continuous component according to the invention whose principle consists in that along the length of the multi-component yarn the amount of the component spun in the rotor from singled-out, and the position of the continuous component, both considered in cross section of the multi-component yarn, undergo changes.
  • the multi-component yarn comprising a continuous component and at the same time marked by varying thickness of the spun component and by varying mutual position of the continuous component and of the spun component in the cross-section of the multi-component yarn is a new generation in the range of well-known fancy multi-component rotor yarns since the properties of the continuous component have a marked influence on the properties of the resulting multi-component yarn; in particular, in the case of an elastic continuous component, the appearance of the resulting multi-component fancy rotor yarn changes with the tension of the multi-component yarn.
  • the principle of the method of production of the multi-component fancy rotor yarn comprising a continuous component consists in that during the spinning process, the amount of singled-out fibres supplied to the rotor undergoes sudden changes resulting in sudden and substantial changes in the thickness of the spun component and thus producing, while being combined in the rotor with the continuous component, further effects on the multi-component yarn consisting in particular in the changes of the mutual position of the continuous component and of the spun component in the cross section of the multi-component yarn.
  • the suddenly varying change in the thickness of the multi-component yarn due to the changes in the mass of the component spun in the rotor from singled-out fibres results in the variation of their mutual relations while being combined with the continuous component and, consequently, in the change of their mutual position, in the winding of one component by the other and vice versa.
  • This method of production of the multi-component yarn substantially increases the stability of the sections reinforced due to the irregular distribution of the mass of the continuous component in the resulting yarn.
  • the elastic continuous component is laid with smaller preload and they thus contain a mass amount of the continuous component superior to that of its linear proportion in the yarn..
  • the effect will be a multi-component fancy yarn with less sharp variations between the fancy effects.
  • the principle of the rotor spinning machine for producing the multi-component fancy rotor yarn comprising a continuous component and a component spun in the rotor from singled-out fibres consists in that the sliver feed device is coupled with a drive with quickly variable feed speed during the spinning.
  • This drive is preferably coupled with a control unit with which the drive of the feed device of the continuous component for controlling the feed speed of the continuous component during the spinning is coupled.
  • Examples of embodiment of the rotor spinning machine for carrying out the method according to the invention and for the production of the multi-component fancy rotor yarn comprising a continuous component, in particular an elastic component, and a component spun in the rotor from singled-out fibres on rotor spinning machines are schematically shown in the enclosed drawings showing the elements of the operating unit of the rotor spinning machine important for the production of the multi-component fancy rotor yarn comprising a continuous component consisting of one linear textile formation in Fig. 1, and in Fig. 2 for the production of the multi-component fancy rotor yarn in which the continuous component consists of two linear textile formations.
  • the rotor spinning machine comprises a plurality of substantially identical operating units arranged next to each other and comprising each a spinning unit for spinning multi-component yarn from singled-out fibres and from a continuous component.
  • the spinning unit 1 comprises a rotor 2 mounted on a hollow shaft 21 seated in the spinning unit 1 in a well-known manner by means of a not shown rolling-contact bearing.
  • the cavity of the hollow shaft 21 serves to feed the continuous component 31 of a multi-component yarn 3 into the spinning rotor 2 carried out by a well-known feed device 4 of the continuous component.
  • the spinning unit 1 also contains a feed device 5 for a sliver 6 seated in a container 7 situated under the spinning unit 1 .
  • the feed device 5 for the sliver 6 is followed by a well-known singling-out device 8 from which singled-out fibres are fed in a well-known manner into the rotor 2 to be spun.
  • the feed device 5 for the sliver 6 contains a driven feed roller 51 cooperating with a pressure member 52 pressed onto it and made for instance as a pressure feed roller as is the case in the illustrated embodiment, or as a well-known not illustrated feed table, or as another not illustrated member.
  • the fed sliver 6 is clamped between the circumferential surface of the feed roller 51 and that of the pressure member 52 .
  • the feed roller 51 is coupled with an individual or with a central drive 510 adapted for rapid changes in the rotation speed, for instance with an alternating current motor with a converter, a servomotor, a clutch with variable torque, a gear box with variable transmission ratio, etc., and is thus able to supply to a combing roller 81 of the singling-out device 8 an almost precipitously varying amount of the sliver 6 .
  • the rotor 2 receives varying amount of singled-out fibres 61 .
  • the continuous component 31 combines with a component 32 produced in the spinning rotor 2 from the singled-out fibres 61 thus forming the spun multi-component yarn 3 which is led from the rotor 2 in a well-known manner through a yarn delivery tube 91 , is drawn off by a yarn draw-off device 92 , and during the spinning process is on the operating unit wound by means of a winding device 93 onto a bobbin 94 .
  • the feed roller 51 of the feed device 5 of the sliver 6 is on each operating unit coupled with the individual drive 510 which is, in particular in the interest of the variability of its speed, coupled with a control unit 10.
  • the speed variations of the feed rollers 51 take place on all the operating units simultaneously.
  • the spinning rotor 2 receives in a well-known manner both the continuous component 31 , supplied at a constant tension, and singled-out fibres coming from the singling-out device 8 and in the rotor deposited in a well-known manner on its collecting surface, gathered in the collecting groove into a fibre band, twisted while being drawn off and thus creating the spun component 32 .
  • the two components, i.e., the continuous component 31 and the spun component 32 combine in the rotor 2 into the multi-component yarn 3 which is in a well-known manner drawn off and wound onto the bobbin 94 .
  • the singling-out device 8 receives the sliver 6 by means of the feed device 5 whose feed roller 51 is adapted for precipitous speed variation resulting in precipitous variations of the amount of the sliver 6 supplied to the singling-out device 8 so that the singling-out device produces a quantity of singled-out fibres 61 precipitously varying in time led into the rotor 2 .
  • the precipitous change in the amount of singled-out fibres 61 led into the rotor 2 involves precipitous change in the thickness of the spun component 32 in which thick and thin sections are formed depending on the amount of singled-out fibres 61 supplied. In process of combining the spun component 32 with the continuous component 31 , each of them is wound around the other one.
  • the two components 31 , 32 wind around each other irregularly and alternately so that for instance the spun component 32 winds around the continuous component 31 whereupon the continuous component 31 winds around the spun component 32 .
  • this gives rise to additional effects due to the irregularity in the winding of the winding of the components 31 , 32 and of their mutual alternating in the winding.
  • the multi-component yarn 3 with thick and thin sections and with other additional fancy effects is in the drawing shown only schematically.
  • fancy variants on the fancy multi-component yarn 3 according to the invention can be achieved by providing for regularity in the changes of the sliver feed speed or in the tension of the continuous component 31 , or in the variability of such changes and their mutual variations.
  • the continuous component 31 of the multi-component yarn consists of two linear textile formations 311 and 312 which are wound off from bobbins 313 , 314 .
  • the bobbins 313 , 314 with the winding of linear textile formation 311 , 312 are mounted on the winding-off device 315 consisting of two pairs of kinematically mutually coupled rollers 3151 , 3152 , and 3153 , 3154 out of which one of each pair is coupled with a drive 316 of the winding-off device 315 which is in its turn connected with the control unit 10 .
  • the two linear textile formations 311 , 312 are led through a transport tube 317 through the hollow shaft 21 into the rotor 2 .
  • the transport tube 317 is made as a shaped tube which is on its inlet end divided into two inlet sections 3171 , 3172 having inserted therein respectively one linear textile formation 311 , 312 .
  • linear textile formations can be combined elastic yarns or threads, various kinds of yarns, structured fibres, etc.
  • the winding-off device 315 can be made also in another suitable way, for instance by a pair of kinematically coupled rollers on which the bobbins with the winding of linear textile formations are seated along the machine length next to each other.
  • the continuous component 31 can consist also of a larger number of linear textile formations, limited, however by the actual possibility of being seated near each operating unit of the rotor spinning machine and by the actual possibility of their transport into the rotor 2 , in particular by the diameter of the cavity of the hollow shaft 21 and by the ensuing inner diameter of the transport tube 317 which is required to permit all the linear textile formations to pass into the rotor 2 .
  • the transport tube 317 can be made with one inlet section for all linear textile formations or with a number of inlet sections corresponding to the number of the transported linear textile formations.
  • the transport tube 317 can be made as a transport tube independent for each supplied linear textile formation, and these transport tubes join into their common direct section passing through the cavity of the hollow shaft into the rotor.
  • the operating unit of the rotor spinning machine is fitted with not illustrated means for monitoring the presence of each of the linear textile formations supplied to the spinning rotor 2 and means for monitoring the presence of the spun component 32 or, as the case may be, of the linear textile formations in the multi-component yarn 3 , said means being coupled with device for interrupting the spinning process on the operating unit in case of the absence of any of the components of the multi-component fancy rotor yarn.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP03466001A 2002-02-14 2003-02-12 Verfahren und Vorrichtung zur Herstellung eines Mehrfachkomponenten Effektgarnes Expired - Fee Related EP1338687B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CZ20020555 2002-02-14
CZ2002555A CZ2002555A3 (cs) 2002-02-14 2002-02-14 Složková příze obsahující kontinuální složku a vypřádanou složku, způsob její výroby a zařízení k provádění způsobu
CZ20030148 2003-01-17
CZ2003148A CZ2003148A3 (cs) 2003-01-17 2003-01-17 Efektní složková rotorová příze obsahující kontinuální složku a vypřádanou složku a způsob a zařízení pro její výrobu

Publications (2)

Publication Number Publication Date
EP1338687A1 true EP1338687A1 (de) 2003-08-27
EP1338687B1 EP1338687B1 (de) 2006-12-20

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ID=27664243

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EP03466001A Expired - Fee Related EP1338687B1 (de) 2002-02-14 2003-02-12 Verfahren und Vorrichtung zur Herstellung eines Mehrfachkomponenten Effektgarnes

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Country Link
EP (1) EP1338687B1 (de)
CN (1) CN1438368A (de)
DE (1) DE60310463D1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512651A2 (de) * 2003-09-04 2005-03-09 Rieter CZ a.s. Vorrichtung zum Abwickeln von in Textilmaschinen zur Produktion von Verbundgarn verwendetem kontinuierlichen Textilmaterial

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ300469B6 (cs) * 2004-02-16 2009-05-27 Oerlikon Czech S.R.O. Zpusob podávání pramene pri výrobe efektní príze a sprádací jednotka k jeho provádení
CZ200743A3 (cs) * 2007-01-19 2008-07-30 Rieter Cz A. S. Rotorový doprádací stroj na výrobu efektní príze
EP3026158A4 (de) * 2013-07-22 2017-06-14 Murata Machinery, Ltd. Garnherstellungsvorrichtung
CN103938322B (zh) * 2014-04-25 2017-03-15 嘉兴学院 一种转杯纺混色成纱方法及装置与产品
CN105088464A (zh) * 2015-05-13 2015-11-25 江南大学 一种新颖转杯扭辫纱生产方法
CN109205388A (zh) * 2018-08-31 2019-01-15 安徽日发纺织机械有限公司 一种转杯纺纱机卷绕和引纱控制装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2617563A1 (de) * 1976-02-09 1977-08-11 Nuova San Giorgio Spa Verfahren und vorrichtung zur herstellung von geflammten garnen in spinnturbinen
US4083173A (en) * 1973-12-22 1978-04-11 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Method and apparatus for the manufacture of core yarn in an open-end spinning device
JPS61231226A (ja) * 1985-04-05 1986-10-15 Mitsubishi Rayon Co Ltd 意匠空気紡績糸の製造方法
US4698962A (en) * 1985-10-16 1987-10-13 Schubert & Salzer Process and device for the production of a fancy yarn on open-end spinning devices
DE4040133A1 (de) * 1989-12-28 1991-07-04 Elitex Zavody Textilniho Verfahren zur herstellung eines elastischen mehrkomponentengarnes in einem spinnrotor und vorrichtung zur durchfuehrung des verfahrens

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083173A (en) * 1973-12-22 1978-04-11 Schubert & Salzer Maschinenfabrik Aktiengesellschaft Method and apparatus for the manufacture of core yarn in an open-end spinning device
DE2617563A1 (de) * 1976-02-09 1977-08-11 Nuova San Giorgio Spa Verfahren und vorrichtung zur herstellung von geflammten garnen in spinnturbinen
JPS61231226A (ja) * 1985-04-05 1986-10-15 Mitsubishi Rayon Co Ltd 意匠空気紡績糸の製造方法
US4698962A (en) * 1985-10-16 1987-10-13 Schubert & Salzer Process and device for the production of a fancy yarn on open-end spinning devices
DE4040133A1 (de) * 1989-12-28 1991-07-04 Elitex Zavody Textilniho Verfahren zur herstellung eines elastischen mehrkomponentengarnes in einem spinnrotor und vorrichtung zur durchfuehrung des verfahrens

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 011, no. 075 (C - 408) 6 March 1987 (1987-03-06) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1512651A2 (de) * 2003-09-04 2005-03-09 Rieter CZ a.s. Vorrichtung zum Abwickeln von in Textilmaschinen zur Produktion von Verbundgarn verwendetem kontinuierlichen Textilmaterial
EP1512651A3 (de) * 2003-09-04 2006-05-10 Rieter CZ a.s. Vorrichtung zum Abwickeln von in Textilmaschinen zur Produktion von Verbundgarn verwendetem kontinuierlichen Textilmaterial

Also Published As

Publication number Publication date
EP1338687B1 (de) 2006-12-20
DE60310463D1 (de) 2007-02-01
CN1438368A (zh) 2003-08-27

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