EP2567008B1 - Procédé et dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques - Google Patents

Procédé et dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques Download PDF

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Publication number
EP2567008B1
EP2567008B1 EP11718704.7A EP11718704A EP2567008B1 EP 2567008 B1 EP2567008 B1 EP 2567008B1 EP 11718704 A EP11718704 A EP 11718704A EP 2567008 B1 EP2567008 B1 EP 2567008B1
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EP
European Patent Office
Prior art keywords
threads
godets
winding
individual
godet
Prior art date
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EP11718704.7A
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German (de)
English (en)
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EP2567008A1 (fr
Inventor
Mathias STÜNDL
Marco Kaulitzki
Claus Matthies
Ludger Legge
Freddy Van Tricht
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Oerlikon Textile GmbH and Co KG
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Oerlikon Textile GmbH and Co KG
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Publication of EP2567008A1 publication Critical patent/EP2567008A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00—Collecting the newly-spun products
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
    • D01D10/0463—Supporting filaments or the like during their treatment while in continuous movement the filaments being maintained parallel
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D13/00—Complete machines for producing artificial threads
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/12—Stretch-spinning methods
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/225—Mechanical characteristics of stretching apparatus

Definitions

  • the invention relates to a method for melt-spinning, drawing and winding a plurality of synthetic threads according to the preamble of claim 1 and a device for carrying out the method according to the preamble of claim 7.
  • the spinnerets are held with a spinning distance to each other, so that the threads are guided within a vertical spinning distance with the spinning distance to each other.
  • a smaller distance is required, so that the transition distance between the spinning device and the drawing device is used to merge the threads.
  • it is necessary, in particular to deflect the threads in the outer regions of the yarn sheet.
  • this results in different take-off ratios of the filaments when extruding the filament strands on the spinnerets.
  • Such a method and such a device are for example from EP 0 845 550 A1 known.
  • the threads after stretching and before winding led by individually driven delivery mechanisms. Although this makes it possible to even out the thread tension differences in the threads of the group of threads caused by multiple deflection.
  • the different thread guides that already occur before and during stretching remain unconsidered and have a different effect immediately upon stretching of the threads on the individual side-by-side threads.
  • New developments such as from the DE 10 2009 021 131 A1 are known, are based on an arrangement in which the stretching device are arranged laterally next to the spinning device, wherein between the spinneret and the drawing device per thread deflection rollers are arranged.
  • the free thread line between the stretching device and the spinnerets are formed differently long for each thread. In that regard, differences are to be expected also in this process.
  • This object is achieved by a method such that the threads are withdrawn independently of each other by separate Einzelgaletten after extrusion and before the collective drawing.
  • the object can be achieved in that a plurality of juxtaposed individual godets of the stretching device are arranged upstream, wherein the individual godets are each assigned to one of the threads and are individually driven to deduct the respective thread.
  • the invention is based on the finding that, in particular during extrusion, cooling and stretching, the processes which are decisive for determining the physical properties of the filaments are due to the solidification of the amorphous molecular structure and the crystallization.
  • the molecular structure which forms on the threads during stripping thus forms the essential basis in order to achieve the desired effects with the further treatments.
  • a single godet is thus assigned to each thread, which determines the respective withdrawal of the thread from the spinneret.
  • the method variant is preferably used, in which the threads are withdrawn in a straight line run at the same withdrawal speeds on the individual godets.
  • high and uniform throughput rates can be achieved at the spinnerets.
  • the method variant has proven particularly useful, in which the threads are guided at the periphery of the single godet each with a Mehrfachumschlingung. This makes it possible to realize higher pull-off forces on each of the individual threads.
  • the yarns are combined after being pulled off to form the yarn sheet and that the yarn sheet is drawn by guiding it on a plurality of draw godets arranged one behind the other.
  • a collective stretching of the threads is possible.
  • inventive method and the device according to the invention are particularly suitable for such threads, which after the melt spinning process be fed directly to a final processing.
  • process variant in which the threads are crimped parallel to each other after drawing and before winding preferably used.
  • Such crimped threads can be used advantageously as carpet yarns.
  • the device according to the invention is preferably designed such that the individual godets are each assigned to the spinnerets at a distance in the middle.
  • each thread and in particular the filament strands forming the thread can be removed from the spinneret with a high degree of uniformity.
  • the development of the device according to the invention is provided, in which the individual godets for guiding the respective threads a plurality of rotatably mounted overflow rollers are assigned.
  • each of the threads can be led with multiple wrapping on the single godet.
  • a first temperature control of the thread is already possible in that the individual godets each have a heatable godet jacket.
  • preliminary heating preparatory to stretching can be introduced into the thread.
  • a first draw godet of the drafting means is arranged laterally next to the individual godets held in a row, wherein the draw godet on a feed side is assigned a multiple yarn guide.
  • the threads can be fed together as a group of threads with a narrow treatment distance side by side of the draw godet.
  • the device according to the invention is used in particular in the embodiment in which a crimping device is arranged between the stretching device and the winding device, which has a plurality of texturing means for collectively crimping the threads. This makes it advantageous to produce carpet yarns that can be presented directly to a further processing process.
  • FIG. 1 a first embodiment of the device according to the invention for carrying out the method according to the invention is shown schematically in several views.
  • Fig. 1 represents the embodiment in a front view and Fig. 2 schematically in a side view.
  • Fig. 1 represents the embodiment in a front view
  • Fig. 2 schematically in a side view.
  • the embodiment according to Fig. 1 and 2 has a spinning device 1 with a total of three juxtaposed spinnerets 4.1,4.2 and 4.3.
  • the number of spinnerets in the spinning device 1 is exemplary and can also significantly more than three threads per spinning position include.
  • the spinnerets 4.1, 4.2 and 4.3 are held on the underside of a heated spinneret 3.
  • the spinning beam 3 contains other melt-carrying parts, not shown here, in order to supply the melt supplied via an inlet 2 thermoplastic melt a melt source the spinnerets 4.1 to 4.3.
  • at least one or more spinning pumps and distribution lines is arranged in the spinning beam 3.
  • the spinnerets 4.1 to 4.3 have on their undersides a plurality of nozzle openings, from each of which a plurality of strand-shaped filaments are extruded.
  • a cooling device 6 is arranged, which extends with a cooling shaft 7 immediately below the spinneret 4.1 to 4.3.
  • the cooling device 6 is designed in this embodiment as a cross-flow blowing, in which a cooling air flow generated by means of a laterally arranged blow chamber 8 and directed to the filament strands of the threads 5.1, 5.2 and 5.3.
  • a collection thread guide 9.1, 9.2 and 9.3 as well as a preparation device 10.1, 10.2 and 10.3 are arranged at a distance below the spinnerets 4.1, 4.2 and 4.3.
  • the collecting thread guide 9.1, 9.2 and 9.3 are each held centrally to the spinnerets 4.1, 4.2 and 4.3.
  • the group thread guide 9.1 is held centrally to the spinneret 4.1.
  • the preparation devices 10.1, 10.2 and 10.3 as well as the collection thread guides 9.1, 9.2 and 9.3 can also advantageously be combined with each other so that the filament strands are brought together and the filament strands are prepared for example by a pencil oiler.
  • the spinnerets 4.1, 4.2 and 4.3 are assigned a plurality of individual godets 11.1, 11.2 and 11.3, which in this exemplary embodiment each combine with an overflow roller 12.1, 12.2 and 12.3 are.
  • the individual godets 11.1, 11.2 and 11.3 are held at a distance substantially centrally to the respective upstream spinnerets 4.1, 4.2 and 4.3.
  • the threads 5.1, 5.2 and 5.3 can each be deducted vertically in the straight yarn path of the spinnerets 4.1, 4.2 and 4.3 through the individual godets 11.1, 11.2 and 11.3.
  • the individual godet 11.1 is associated with the spinneret 4.1, which extrudes the filament strands to the yarn 5.1.
  • each individual godet 11.1 to 11.3 and the overflow rollers 12.1 to 12.3 are held cantilevered on a machine frame 25, wherein each individual godet 11.1 to 11.3 is associated with a drive 23.
  • the drives 23 in Fig. 2 if only one of the drives is shown, the individual godets 11.1, 11.2 and 11.3 are driven independently of each other.
  • the drives 23 can be controlled by individual control units or by a common control unit.
  • the individual godets 11.1 to 11.3 are arranged in a row next to each other.
  • a first draw godet 14.1 of a drawing device 13 is arranged laterally next to the single godet 11.3.
  • a multiple yarn guide 15 is arranged, which merges the running of the individual godets 11.1 to 11.3 threads 5.1 to 5.3 to a yarn sheet 29.
  • the threads 5.1 to 5.3 have a substantially short treatment distance from each other.
  • the drawing device 13 has a plurality of draw godets 14.1 to 14.4 for collective drawing of the yarns 5.1 to 5.3, with two draw godets 14.1 and 14.2 as well as 14.3 and 14.4 forming a godet pair on which the yarns are passed in multiple wrapping.
  • the draw godets 14.3 and 14.4 are driven with respect to the draw godets 14.1 and 14.2 at a higher peripheral speed, so that the threads between the draw godets 14.2 and 14.3 are stretched.
  • each of the draw godets 14.1 to 14.4 is assigned a separate drive.
  • Fig. 2 only the drives 24.1 and 24.2 of the first two draw godets 14.1 and 14.2 are shown.
  • the draw godets 14.1 to 14.4 are in this case preferably designed with heated godet coats.
  • a winding device 17 which has a plurality of winding points 18.1, 18.2 and 18.3.
  • the yarns guided as yarns 5.1, 5.2 and 5.3 are wound parallel to each other to form coils 21.1, 21.2 and 21.3.
  • the winding device 17 has for this purpose two winding spindles 19.1 and 19.2, on which alternately the coils 21.1, 21.2 and 21.3 are wound.
  • the winding spindles 19.1 and 19.2 are arranged cantilevering on a winding turret 20, which alternately pivots the winding spindles for continuous winding of the threads between an operating region and a change region.
  • the inventive method and device according to the invention is particularly advantageous to produce high quality threads in a melt spinning process, which can be used directly for further processing.
  • Fig. 3 and 4 a further preferred embodiment of the invention shown in which after the drawing of the threads, a crimping is produced on the threads.
  • the embodiment according to Fig. 3 and 4 is substantially identical to the aforementioned embodiment, so that at this point only the differences will be explained and otherwise referred to the aforementioned description.
  • a crimping device 26 is disposed between the drawing device 13 and the winding device 17.
  • the crimping device 26 has a plurality of texturing means 27 in order to texture the drawn threads 5.1 to 5.3 parallel to each other as a group of threads.
  • texturing 27 for example, texturing can be used, which consist of a delivery nozzle and a stuffer box.
  • each of the threads is 5.1 to 5.3 registeredstaucht to a yarn plug 30.1 to 30.3.
  • Such crimping devices are generally known, so that no further explanation takes place at this point.
  • the crimping device 26 comprises a cooling roller 28, on the circumference of three thread running tracks for receiving the yarn plugs 30.1 to 30.3 are formed. At the periphery of the cooling roller 28, the yarn plugs 30.1 to 30.3 are cooled.
  • the cooling roller 28 is driven by a roller drive 33.
  • the yarn plugs 30.1 to 30.2 are dissolved after the crimping to the threads 5.1 to 5.3 and withdrawn collectively from the chill roll 28 by a Abzugsgalette 31.1.
  • the withdrawal godet 31.1 which is also combined with an overflow roll, is followed by another withdrawal godet 31.2, wherein between the withdrawal godets 31.1 and 31.2 a swirling device 32 is held.
  • the withdrawal godets 31.1 and 31.2 are driven independently of each other, wherein in Fig. 4 only the drive 34 of the withdrawal godet 31.1 is shown.
  • the turbulizer 32 has to treat the yarn sheet 29 three separate treatment channels, in which each of the threads 5.1, 5.2 and 5.3 are individually swirled.
  • the method according to the invention and the device according to the invention are thus particularly advantageous in order to enable an individual withdrawal of the threads with subsequent collective treatment and joint use of the following devices.
  • the in the Fig. 1 to 4 show only exemplary some embodiments of the invention.
  • the threads drawn from the individual godets can also be formed from a plurality of filament bundles. It is essential here that the yarn guided and treated in the yarn sheet is previously removed individually during extrusion and cooling.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (12)

  1. Procédé de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques, dans lequel les fils synthétiques sont filés parallèlement les uns aux autres, refroidis et étirés par extrusion de fines sections de filaments et dans lequel les fils sont étirés collectivement sous forme de nappe de fils et sont enroulés en bobines,
    caractérisé en ce que
    les fils, après l'extrusion et avant l'étirage collectif, sont tirés indépendamment les uns des autres par des galettes individuelles séparées.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    les fils sont tirés sur les galettes individuelles suivant une trajectoire de fil droite avec des vitesses de traction respectives identiques.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    les fils sont guidés sur la périphérie des galettes individuelles à chaque fois avec plusieurs enveloppements.
  4. Procédé selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    les fils, après avoir été tirés, sont réunis pour former la nappe de fils et en ce que la nappe de fils est étirée par guidage sur plusieurs galettes d'étirage disposées les unes derrière les autres.
  5. Procédé selon la revendication 4,
    caractérisé en ce que
    la première galette d'étirage est entraînée à une vitesse périphérique qui est supérieure ou égale à la vitesse de traction des galettes individuelles.
  6. Procédé selon l'une quelconque des revendications 1 à 5,
    caractérisé en ce que
    les fils, après l'étirage et avant l'enroulement, sont frisés parallèlement les uns à côté des autres.
  7. Dispositif pour mettre en oeuvre le procédé selon l'une quelconque des revendications 1 à 6, comprenant un dispositif de filage (1) qui présente plusieurs filières (4.1, 4.2, 4.3) pour l'extrusion d'une pluralité de sections de filaments par fil (5.1, 5.2, 5.3), comprenant un dispositif d'étirage (13), qui présente plusieurs galettes d'étirage (14.1, 14.2, 14.3, 14.4) disposées les unes derrière les autres pour l'étirage collectif des fils et comprenant un dispositif d'enroulement (17), qui présente plusieurs zones de bobinage (18.1, 18.2, 18.3) pour le bobinage collectif des fils pour former plusieurs bobines (21.1, 21.2, 21.3),
    caractérisé en ce que
    plusieurs galettes individuelles (11.1, 11.2, 11.3) disposées les unes à côté des autres sont placées en amont du dispositif d'étirage (13), les galettes individuelles (11.1, 11.2, 11.3) étant associées à chaque fois à l'un des fils (5.2, 5.2, 5.3) et étant réalisées de manière à pouvoir être entraînées individuellement pour tirer le fil respectif.
  8. Dispositif selon la revendication 7,
    caractérisé en ce que
    les galettes individuelles (11.1, 11.2, 11.3) sont associées aux filières (4.1, 4.2, 4.3) à chaque fois centralement à distance de celles-ci.
  9. Dispositif selon la revendication 7 ou 8,
    caractérisé en ce que
    les galettes individuelles (11.1, 11.2, 11.3) pour le guidage des fils respectifs sont associées à plusieurs rouleaux de guidage montés à rotation (12.1, 12.2, 12.3).
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    les galettes individuelles (11.1, 11.2, 11.3) présentent à chaque fois une enveloppe de galette pouvant être chauffée.
  11. Dispositif selon l'une quelconque des revendications 7 à 10,
    caractérisé en ce
    qu'une première galette d'étirage (14.1) du dispositif d'étirage (13) est disposée latéralement à côté des galettes individuelles (11.1, 11.2, 11.3) montées en une rangée, et en ce que la galette d'étirage (14.1) est associée sur un côté d'amenée à un guide-fil multiple (15).
  12. Dispositif selon l'une quelconque des revendications 7 à 11,
    caractérisé en ce
    qu' entre le dispositif d'étirage (13) et le dispositif d'enroulement (17) est disposé un dispositif de frisage (26) qui présente plusieurs moyens de texturation (27) pour le frisage collectif des fils.
EP11718704.7A 2010-05-07 2011-05-03 Procédé et dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques Active EP2567008B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010019696 2010-05-07
PCT/EP2011/057002 WO2011138302A1 (fr) 2010-05-07 2011-05-03 Procédé et dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques

Publications (2)

Publication Number Publication Date
EP2567008A1 EP2567008A1 (fr) 2013-03-13
EP2567008B1 true EP2567008B1 (fr) 2014-01-15

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EP11718704.7A Active EP2567008B1 (fr) 2010-05-07 2011-05-03 Procédé et dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques

Country Status (6)

Country Link
US (1) US9243348B2 (fr)
EP (1) EP2567008B1 (fr)
CN (1) CN102884230B (fr)
BR (1) BR112012027642A2 (fr)
RU (1) RU2534897C2 (fr)
WO (1) WO2011138302A1 (fr)

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CN104805616B (zh) * 2015-04-13 2017-01-25 上海海事大学 一种成型装置
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CN109825886A (zh) * 2019-01-22 2019-05-31 桐昆集团浙江恒盛化纤有限公司 一种节能增效的卷绕设备的分板改造的方法

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CN101016656A (zh) * 2006-02-10 2007-08-15 苏拉有限及两合公司 用于制造和贮放丝束的方法和装置
DE102007003949A1 (de) * 2006-02-10 2007-08-23 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Herstellung und Ablage eines Spinnkabels
DE102009021131A1 (de) 2008-05-30 2009-12-03 Oerlikon Textile Gmbh & Co. Kg Vorrichtung zum Schmelzspinnen und Aufwickeln einer Mehrzahl von Fäden sowie ein Verfahren zum Führen mehrerer Fäden beim Schmelzspinnen und Aufwickeln

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019096625A1 (fr) 2017-11-17 2019-05-23 Oerlikon Textile Gmbh & Co. Kg Dispositif de filage à l'état fondu

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BR112012027642A2 (pt) 2019-09-24
EP2567008A1 (fr) 2013-03-13
WO2011138302A1 (fr) 2011-11-10
US9243348B2 (en) 2016-01-26
CN102884230B (zh) 2015-06-17
US20130049253A1 (en) 2013-02-28
RU2012152542A (ru) 2014-06-20
RU2534897C2 (ru) 2014-12-10

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