EP0940485A2 - Procédé et dispositif pour le filage, l'étirage et le bobinage d'un fil - Google Patents

Procédé et dispositif pour le filage, l'étirage et le bobinage d'un fil Download PDF

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Publication number
EP0940485A2
EP0940485A2 EP99102844A EP99102844A EP0940485A2 EP 0940485 A2 EP0940485 A2 EP 0940485A2 EP 99102844 A EP99102844 A EP 99102844A EP 99102844 A EP99102844 A EP 99102844A EP 0940485 A2 EP0940485 A2 EP 0940485A2
Authority
EP
European Patent Office
Prior art keywords
thread
godet
spinning
stretch
stretch godet
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
EP99102844A
Other languages
German (de)
English (en)
Other versions
EP0940485B1 (fr
EP0940485A3 (fr
Inventor
Helmut Weigend
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Barmag AG
Barmag Barmer Maschinenfabrik 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 Barmag AG, Barmag Barmer Maschinenfabrik AG filed Critical Barmag AG
Publication of EP0940485A2 publication Critical patent/EP0940485A2/fr
Publication of EP0940485A3 publication Critical patent/EP0940485A3/fr
Application granted granted Critical
Publication of EP0940485B1 publication Critical patent/EP0940485B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
    • 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
    • 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
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
    • D02J13/005—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass by contact with at least one rotating roll

Definitions

  • the invention relates to a method for spinning, drawing and winding a synthetic thread according to the preamble of claim 1 and one Spinning device according to the preamble of claim 9.
  • Such a method and such a device are from DE 31 46 054 known.
  • a fully drawn multi-filament thread is immediately in front swirled in a swirling nozzle.
  • the vortex before the winding serves for the further processing of the thread produce the required weft.
  • the known method and the known device have the disadvantage that the thread tension when winding the thread depends on the intermingling and the thread is wound at a relatively high thread tension level got to. However, this means that the coils tend to bulge, so that only coils with a smaller diameter can be wound.
  • the particular advantage of the invention is that the thread tension for Winding of the thread adjustable by the stretch godet of the stretching unit is. Surprisingly, it has been shown that despite the relatively high Thread tension levels in the drawing zone a sufficiently high thread closure could be achieved by swirling the filaments. Since the Knot frequency is inversely proportional to the thread tension, the Whirling of the thread is advantageous shortly before the thread runs out of the Stretch zone, i.e. shortly before the thread from the last stretch godet runs out, carried out. Furthermore, the invention has the advantage that the distance between the stretching zone or stretching device and the winding zone or Winding device can be kept short, so that no essential Thread tension changes can occur due to air friction on the thread.
  • the method variant according to claim 2 is special advantageously applicable.
  • the thread Stretch godet unit reduces the thread tension from the point of impact of the Thread on the stretch godet to the point at which the thread runs from the Stretch godet steadily. This is the lowest in the last loop Thread tension level of the drawing zone reached. A swirling of the thread in the section of the last loop before the thread of the Stretch godet therefore leads to increased thread closure.
  • a particularly advantageous development of the invention provides that the Thread in the interlacing nozzle by an aligned in the direction of the thread Airflow is swirled. This gives the thread through the Swirl nozzle a promoting component. This effect favors the Smooth running of the thread.
  • the Swirled thread when heated.
  • This allows a further increase reach the number of knots in the thread because the warm filaments have a higher Elasticity and thus have a higher tendency to swirl.
  • the filaments of the thread can be heated by means of a Heating device or directly by a heated godet.
  • the particularly advantageous method variant according to claims 7 and 8 has the Advantage that the thread retarding effect of the swirl nozzle Wrapping the threads on the guide elements for the purpose of a quiet Thread run is supported. It is therefore also possible to wrap the Guide the thread as little as possible.
  • the method according to the invention can be applied to all common types of polymers such as Use polyamide, polyester or polypropylene.
  • Use polyamide such as Polyamide, polyester or polypropylene.
  • the thread tension in front of the winder can be reduced by more than 50% compared to the conventional method. It was reached a minimum thread tension of 4 cN before winding. This The method is therefore particularly suitable for threads with fine titers that are the lowest possible thread tension.
  • the spinning device according to the invention is characterized in particular by that in addition to the stretching device no additional driven Thread guide aids are required to thread the To lead winding device.
  • no additional driven Thread guide aids are required to thread the To lead winding device.
  • the arrangement of the Swirling nozzle in the stretching device an additional suction or additional thermal protection of the swirl nozzle is eliminated. This function is taken over by existing godet boxes of the stretching device.
  • the route pallet unit can here by the stretch godet and an overflow or a second Galette are formed.
  • the rest of the thread contacted In contrast, the area of the jacket surface has a greater roughness of approximately 5 ⁇ m on.
  • the Execution of the spinning device is particularly advantageous, in which the Stretch godet in one contacted by the thread in the last loop Partial area has a smaller diameter than in the remaining partial area the stretch godet. It has been shown that a Diameter difference of 0.5 to 1% to a substantial increase in Number of knots in the swirled thread.
  • the spinning device has to produce a Thread a spinning device 1, one downstream of the spinning device 1 Stretching device 2 and one provided for winding the thread Rewinder 3 on.
  • a thread 14 is made of a thermoplastic Material spun.
  • the thermoplastic material is made by a Filling device 6 given an extruder 4.
  • the extruder 4 is through one Drive 5 driven.
  • the spinning pump 8 conveys the melt flow to the heated spinning head 9.
  • the spinning pump 8 conveys the melt flow to the heated spinning head 9.
  • the filaments pass through one below the spinneret arranged cooling device 12.
  • the cooling device 12 the filaments cooled by an air stream.
  • the air flow can, as shown in FIG. 1, generated by blowing transversely or radially to the filament sheet be arranged or at the outlet of the cooling device Suction device.
  • Immediately below the cooling device 12 is one Preparation device 13 arranged that the filaments to a thread 14th merges.
  • the thread 14 is removed from the spinning zone by the stretching device 2 deducted.
  • the stretching device 2 has a first godet unit 15 on.
  • the godet unit 15 consists of a take-off godet 17 and one crossed over to the godet 17 arranged overflow roller 18.
  • the godet unit 15 is wrapped several times by the thread 14.
  • the deduction godet 17 by a godet drive with a preset speed driven. This take-off speed is many times higher than that natural exit velocity of the filaments 11 from the spinneret 10.
  • Die Overflow roller 18 is freely rotatable.
  • the thread passes from the take-off godet 17 to a stretch godet unit 16.
  • the stretch godet unit consists of a stretch godet 19 and one Overflow roller 20.
  • the stretch godet 19 is at a higher speed driven than the withdrawal godet 17 described above. This will thread stretched between the two godets 17 and 19. Galets 17 and 19 can be designed to be heated.
  • the thread 14 is removed from the Stretching godet 19 through between the overflow roller 20 and the stretching godet 19 swirl nozzle 21 arranged in the thread run.
  • the Filaments of thread 14 are swirled together by an air stream.
  • thread closure in the thread 14 between the filaments manufactured which is required for further processing in subsequent pores.
  • the thread 14 is removed from the stretching zone by means of the winding device 3 withdrawn and enters a winding zone via a head thread guide 22. From the head thread guide 22, the thread 14 enters the traversing triangle and the traversing device 23 arranged at the end of the traversing triangle Traversing device can be used as wing traversing or as Reverse thread shaft maneuvering. In both cases, the thread 14 back and forth within a traversing stroke by means of traversing thread guides brought forth.
  • the thread wraps around the thread behind the Traction device arranged pressure roller 24.
  • the pressure roller 24 lies on the surface of the coil 25. It is used to measure the Surface speed of the coil 25.
  • the coil 25 is on a sleeve formed, which is clamped on the winding spindle 26.
  • the winding spindle 26 will driven by a spindle motor 27.
  • the spindle motor 27 is here controlled such that the surface speed of the coil 25 is constant remains.
  • the speed of the freely rotatable pressure roller is used as the control variable 24 scanned.
  • the spinning device shown in Fig. 1 is particularly suitable for full to produce stretched threads.
  • the arrangement of the Swirling nozzle within the drawing zone the thread tension for winding of the thread is advantageous due to the stretch godet arranged in front of the winding zone to adjust. It is particularly advantageous here if the swirling nozzle 21 - as shown in Fig. 2 - in the last loop between the stretch godet 19th and the overflow roller 20 is arranged.
  • FIG. 2 schematically shows a side view of the stretch godet unit 16 from FIG. 1 shown.
  • the stretching godet unit consists of the stretching godet 17, which on one End is connected to the godet drive 28. At a distance from the stretch godet 17, the overflow roller 18 is arranged, which is freely rotatable at one end in the Bearing block 29 is mounted.
  • FIG. 2 the thread run to the stretch godet and away from the stretch godet by 90 ° shown pivoted.
  • the godet 19 is also executed heatable.
  • the thread 14 runs from the godet 19 to the overflow roller 20 and from the overflow roller 20 back to the stretching godet 19. This wrapping the thread 14 executes several times. Here it is heated by the jacket Stretching godet 19 warmed. In the last loop between the Overflow roller 20 and the stretching godet 19 is the swirling nozzle in the thread run 21 arranged.
  • the swirling nozzle 21 has a thread channel 30 in which the thread is guided.
  • An air duct 31 opens into the thread duct 30 such that an air flow 39 introduced through the air duct 31 in the thread running direction aligned with the thread 14 hits.
  • By the inflowing air flow the filaments of the thread 14 are swirled, and so-called individual soils are formed Knot in the thread.
  • heat treating the thread before Whirling can increase the number of knots per unit length. The subsequent short heat treatment after swirling also leads to a fixation of the knots and thus a stable thread closure.
  • the alignment of the air channel 31 in the thread running direction leads to the fact that the entering air frictional forces, which is a tensile force on the thread in the thread running direction cause generated in the thread running direction.
  • the thread tension becomes Maintaining or supporting stretching. That through the swirl however, thread tension additionally introduced into the thread can be advantageous about the looping of the thread on the stretch godet 19 through the stretch godet dismantle again so that the thread with a relatively low thread tension level can be wound up.
  • FIG. 3 is another embodiment of an inventive Spinning device shown.
  • the spinning device 1 and 3 shown in FIG Winding device 3 are with the spinning device and Winding device from Fig. 1 identical. In this respect, the description is too Fig. 1 referred.
  • the stretching device 2 consists in the spinning device shown in FIG. 3 from a take-off godet 33.
  • the take-off godet pulls the thread 14 out of the Spinning zone.
  • the thread passes from the take-off godet 33 to a Stretching godet unit, which is formed from the stretching godets 34 and 35.
  • the Stretch godets 34 and 35 are wrapped several times by the thread.
  • the string After the stretching godet 34 has passed, the winding device 3 14 withdrawn from the stretching zone.
  • the thread is cut between the Stretching godet 34 and stretching godet 35 arranged swirling nozzle 21 swirled.
  • the structure of the swirling nozzle 21 corresponds to that of FIG. 2 described swirling nozzle. In this respect, reference is made to the Description of Fig. 2nd
  • the thread 14 is already in front Pre-swirled inlet into the stretching zone by a swirling nozzle 32.
  • the Swirling nozzle 32 is designed such that an air flow against the Thread running direction is used to swirl the thread. This happens Braking effect on the thread 14 on the thread 14 can therefore be done by simple Pull off the loop on the take-off godet 33.
  • the before swirling the Fadens also has the advantage that the thread guide stabilizes and a smooth, even thread running even with small wraps around the Thread guide elements can be achieved.
  • the stretching godets 34 and 35 are heatable, so that the Swirling takes place on a heated thread.
  • FIG Stretching godet unit shown, which is arranged within a heating chamber.
  • the Heating chamber 41 is formed by a box 40 in which the stretch godets 34 and 35 are arranged.
  • the drive 36 of the stretch godet 34 and the drive 37 of the stretch godet 35 are arranged outside the heating chamber.
  • the thread 14 passes through the inlet opening 42 into the heating chamber and runs on the Extension godet 34.
  • the thread then runs at a distance from the stretching godet arranged second stretch godet 35. This looping repeats the Thread several times until after the stretching godet 34 has passed through the Outlet opening 42 exits.
  • the jacket surface is the Stretch godet 34 divided into two sections 38.1 and 38.2.
  • the Shell surface 38.1 has a slightly larger diameter than that Section 38.2.
  • the smaller area 38.2 of the diameter The surface of the jacket is covered by the thread 14 during the last loop contacted.
  • This diameter step in the stretch godet 34 achieves that the swirling of the thread in the upstream swirling nozzle 21st can be carried out at a lower thread tension level. This makes it possible to increase the knots in the thread because - as is known - the number of knots to the unit of length in the thread is inversely proportional to Thread tension behaves.
  • the swirl nozzle 21 is in this example again in the last loop of the thread before the stretch godet 34 arranged. With regard to the function, reference is made to the description of FIG. 2 referred.
  • this is the winding upstream stretch godets are designed in their surface condition so that in the area of the last loop the thread tension increase by the Turbulence can be absorbed by the stretch godet.
  • the inventive method could with roughness in this area Surface of approx. 0.1 ⁇ m a sufficient adjustability of the thread tension allow before winding up.
  • the stretch godet had in other surface area a roughness of approx. 5 ⁇ m.
  • the method according to the invention is not based on those shown here Spinning devices limited.
  • the shown in Figs. 1 and 3 Stretching devices are exemplary.
  • the last stretch godet of the The stretching unit can also have heating devices for the heat treatment of the Upstream of the thread or heating devices to relax the thread downstream.
  • the arrangement of the swirl nozzle in front of the Stretch godet flexible, i.e. the swirl nozzle could also be in another Wrap branch can be arranged.
  • the spinning devices according to the invention are particularly characterized by their compact design and the short thread run between the drawing unit and the winding up. An additional redirection or an additional one driven godet between the stretching unit and the take-up device not necessary.
  • Another advantage is that the swirl nozzles can be arranged in the godet boxes, so that an independent Thermal protection and an independent suction for the swirl nozzle is not necessary since these functions are fulfilled by the godet box.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
EP99102844A 1998-03-05 1999-03-01 Procédé et dispositif pour le filage, l'étirage et le bobinage d'un fil Expired - Lifetime EP0940485B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19809381 1998-03-05
DE19809381 1998-03-05

Publications (3)

Publication Number Publication Date
EP0940485A2 true EP0940485A2 (fr) 1999-09-08
EP0940485A3 EP0940485A3 (fr) 1999-12-29
EP0940485B1 EP0940485B1 (fr) 2005-02-02

Family

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EP99102844A Expired - Lifetime EP0940485B1 (fr) 1998-03-05 1999-03-01 Procédé et dispositif pour le filage, l'étirage et le bobinage d'un fil

Country Status (6)

Country Link
US (1) US6120715A (fr)
EP (1) EP0940485B1 (fr)
KR (1) KR100601346B1 (fr)
CN (1) CN1263903C (fr)
DE (1) DE59911539D1 (fr)
TW (1) TW518376B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1253222A2 (fr) * 2001-04-26 2002-10-30 B a r m a g AG Installation pour le filage au fondu et enroulement d'au moins un fil synthétique
WO2004015173A1 (fr) * 2002-08-06 2004-02-19 Saurer Gmbh & Co. Kg Dispositif de filage et d'enroulement
WO2006058667A1 (fr) * 2004-12-01 2006-06-08 Saurer Gmbh & Co. Kg Procede et dispositif de guidage et de tourbillonnement d'un fil multfilament
CN102373525A (zh) * 2010-08-06 2012-03-14 日本Tmt机械株式会社 丝线加热装置

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US20040012115A1 (en) * 2001-02-26 2004-01-22 Kazuyuki Minagawa Production method of synthetic and yarn traverse device
DE10227290A1 (de) * 2002-06-19 2004-01-08 Barmag Ag Vorrichtung zum Führen, Behandeln und Fördern von zumindest einem Faden
DE10343460A1 (de) * 2002-10-04 2004-04-15 Saurer Gmbh & Co. Kg Vorrichtung zum Spinnen und Aufwickeln zumindest eines synthetischen Fadens
DE10343462A1 (de) * 2002-10-11 2004-04-22 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Spinnen und Aufwickeln synthetischer multifiler Fäden
EP1585850A1 (fr) * 2003-01-24 2005-10-19 Saurer GmbH & Co. KG Dispositif et procede pour texturer plusieurs fils mixtes synthetiques
CN101120127B (zh) * 2005-02-04 2010-06-16 欧瑞康纺织有限及两合公司 用于制造卷曲变形的复合丝的方法和设备
WO2009141426A2 (fr) * 2008-05-23 2009-11-26 Oerlikon Textile Gmbh & Co. Kg Procédé de tirage et d'étirage d'un fil multifilament lors du filage à l'état fondu, et dispositif destiné à la réalisation du procédé
EP2318577B1 (fr) * 2008-08-27 2012-01-18 Oerlikon Textile GmbH & Co. KG Procédé de filage par fusion, d'étirage et d'enroulement un fil multifilament et dispositif de mise en oeuvre de ce procédé
CN103154334B (zh) * 2010-10-21 2015-09-02 欧瑞康纺织有限及两合公司 多丝复合纱线的制造方法和熔体纺丝设备
JP5855120B2 (ja) * 2010-11-30 2016-02-09 エーリコン テクスティル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトＯｅｒｌｉｋｏｎ Ｔｅｘｔｉｌｅ ＧｍｂＨ ＆ Ｃｏ． ＫＧ 交絡結節点を形成する装置及び方法
EP2463417B1 (fr) * 2010-12-13 2013-07-10 Oerlikon Textile GmbH & Co. KG Unité de galettes
JP5894871B2 (ja) * 2012-06-22 2016-03-30 Ｔｍｔマシナリー株式会社 紡糸延伸装置
CN103243400B (zh) * 2013-04-28 2016-03-16 浙江四通化纤有限公司 多元化bcf纺丝机
US11117303B2 (en) 2014-03-08 2021-09-14 Oerlikon Textile Gmbh & Co. Kg Method and device for melt-spinning, drawing, crimping and winding multiple threads
CN103935826B (zh) * 2014-04-21 2016-06-08 浙江万事发纺织机械有限公司 一种全自动缝纫线精密拉伸定型络筒机及其使用方法
WO2016058873A1 (fr) * 2014-10-18 2016-04-21 Oerlikon Textile Gmbh & Co. Kg Procédé et dispositif de production d'un fil multifilamentaire à partir d'une masse fondue de polyamide
WO2021079180A1 (fr) * 2019-10-24 2021-04-29 Sumit Agarwal Appareil de production d'une pluralité de fils distincts
CN116988174A (zh) * 2023-09-25 2023-11-03 江苏恒力化纤股份有限公司 一种高强低伸涤纶工业丝的制备方法

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
EP1253222A2 (fr) * 2001-04-26 2002-10-30 B a r m a g AG Installation pour le filage au fondu et enroulement d'au moins un fil synthétique
EP1253222A3 (fr) * 2001-04-26 2003-05-28 B a r m a g AG Installation pour le filage au fondu et enroulement d'au moins un fil synthétique
WO2004015173A1 (fr) * 2002-08-06 2004-02-19 Saurer Gmbh & Co. Kg Dispositif de filage et d'enroulement
US7322811B2 (en) 2002-08-06 2008-01-29 Saurer Gmbh & Co. Kg Apparatus for spinning and winding multifilament yarns
WO2006058667A1 (fr) * 2004-12-01 2006-06-08 Saurer Gmbh & Co. Kg Procede et dispositif de guidage et de tourbillonnement d'un fil multfilament
CN101057013B (zh) * 2004-12-01 2010-11-10 欧瑞康纺织有限及两合公司 用于引导和涡流变形复丝丝线的方法和设备
CN102373525A (zh) * 2010-08-06 2012-03-14 日本Tmt机械株式会社 丝线加热装置
CN102373525B (zh) * 2010-08-06 2015-10-07 日本Tmt机械株式会社 丝线加热装置

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KR100601346B1 (ko) 2006-07-13
TW518376B (en) 2003-01-21
CN1263903C (zh) 2006-07-12
EP0940485B1 (fr) 2005-02-02
DE59911539D1 (de) 2005-03-10
US6120715A (en) 2000-09-19
KR19990082716A (ko) 1999-11-25
EP0940485A3 (fr) 1999-12-29
CN1229151A (zh) 1999-09-22

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