WO2019030134A1 - Dispositif pour retirer et enrouler une nappe de fils - Google Patents

Dispositif pour retirer et enrouler une nappe de fils Download PDF

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Publication number
WO2019030134A1
WO2019030134A1 PCT/EP2018/071102 EP2018071102W WO2019030134A1 WO 2019030134 A1 WO2019030134 A1 WO 2019030134A1 EP 2018071102 W EP2018071102 W EP 2018071102W WO 2019030134 A1 WO2019030134 A1 WO 2019030134A1
Authority
WO
WIPO (PCT)
Prior art keywords
godet
winding
langgalette
short
yarn
Prior art date
Application number
PCT/EP2018/071102
Other languages
German (de)
English (en)
Inventor
Denis Bauer
Jen Supra
Detlev Schulz
Original Assignee
Oerlikon Textile Gmbh & Co. Kg
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 Oerlikon Textile Gmbh & Co. Kg filed Critical Oerlikon Textile Gmbh & Co. Kg
Priority to DE112018003992.7T priority Critical patent/DE112018003992A5/de
Priority to JP2020506146A priority patent/JP7203818B2/ja
Priority to CN201880050712.0A priority patent/CN110997990A/zh
Publication of WO2019030134A1 publication Critical patent/WO2019030134A1/fr

Links

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
    • 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

Definitions

  • the invention relates to a device for drawing and winding a group of threads to coils according to the preamble of claim 1.
  • a generic device for pulling and winding a group of threads to coils is known from WO 2013/013968 AI.
  • Such devices for drawing and winding a group of yarns into coils are used for the production of synthetic threads in a melt-spinning process.
  • a godet device is provided to pull the threads after extruding from a spinning device and to stretch depending on the thread type.
  • the physical properties desired for the type of thread such as, for example, the elongation at break and the boiling shrinkage, are influenced by a plurality of godets of the godet device.
  • two types of godets are distinguished, which are used to guide and treat a group of threads.
  • For stretching and thermal treatment of a group of threads preferably long projecting godets are used, at the periphery of the yarn sheet is guided with multiple wraps.
  • This type of godet is referred to here as Langgalette.
  • Such Langgalet- be combined to realize the wrap with a rotatably mounted auxiliary role or a second Langgalette for thread guidance.
  • godets are known in which the group of threads is guided on the circumference with a simple Fadenumschlingung.
  • Such godets are referred to here as short godets.
  • the short godets are preferably used in the production of partially drawn threads (POY).
  • POY partially drawn threads
  • the yarn sheet is withdrawn and stretched by several Langgaletten.
  • the threads are aftertreated via short godets and fed to a take-up device with several winding points.
  • the short godets in this case are held directly above the winding points substantially orthogonal to a winding spindle of the take-up, so that the distribution and separation of the threads of the yarn sheet can be done from a substantially horizontal plane out.
  • the long godets are aligned parallel to the winding spindle in order to be able to use the machine depth predefined by the winding device for the installation of the long godets.
  • Another object of the invention is to realize a compact as possible Galet- tenan extract immediately above the winding device.
  • This object is achieved in that the Langgalette and the Kurzgalette are arranged above the winding device such that an axis of the Langgalette and an axis of the Kurzgalette are offset by an angle in the range of 30 ° to 60 ° to each other.
  • the invention is based on the finding that a group of yarns can be safely guided in certain angular positions without additional thread guidance when transitioning from surfaces of the godets which are oriented at an angle to one another. For example, it was found that when the yarn bundle is rotated at an angle greater than 60 °, an additional thread guide is required for stabilization. In addition, to maintain a machine division a transverse Langgalette, which would then be axially parallel to the short roll, not feasible. In the production of synthetic threads such devices are arranged side by side to a machine side, wherein the winding device and the spinning device essentially define a machine width. Due to the relatively large installation length of Langgaletten a transverse to the winding locations arrangement is impossible.
  • the godet device has a plurality of short godets, wherein at least one of the short godets of Langgalette is upstream in the yarn path and wherein the upstream short godet parallel to the axis Langgalette is aligned.
  • the development of the invention is preferably carried out, in which the godet device has a yarn collecting device with a comb-shaped yarn guide, which is arranged substantially parallel to the Langgalette. This will be the leadership of the Threads desired treatment distance already generated parallel to the Langgalette.
  • the godet device In order to be able to hold the godet device as directly above the winding device as possible, it is further provided to arrange the short godet transversely to a winding spindle of the take-up device.
  • the advantageous distribution and separation of the yarn sheet is essentially ensured out of a horizontal distribution plane out.
  • the godet device can advantageously be arranged as a godet module directly above the take-up device.
  • the godet device is supported by a take-up device U-shaped enclosing underneath machine position and can be operated out of a trained before the take-up operation gear out.
  • the development of the invention is preferably carried out, in which the godet device for receiving the Langgalette has a relation to the operating passage obliquely oriented support wall, which partially on an adjacent machine frame of an adjacent Winder supports.
  • the Langgalette In order to be able to use the multiple wraps of the Langgalette for the treatment of the yarn sheet, the Langgalette on a jacket heating for tempering the godet shell on.
  • the multiple conversion Fengsitch the yarn sheet can be used advantageously to obtain an intense heat treatment.
  • the godet coat the Langgalette is disposed within a thermally insulated godet box, the godet box opposite the upstream Kurzgalette and the downstream Kurzgalette each having a plurality of thread openings.
  • the machine widths and machine depths available with today's rewinding devices make it possible to use a long roll which permits a multiple thread looping.
  • a godet shell of the long roll has at least one shell length, which is executed by a factor of 2 to 5 times longer than a shell length of a godet shell of the short godet.
  • the device according to the invention is particularly suitable for producing fully drawn threads with appropriate relaxation treatment.
  • the development of the invention is preferably carried out, in which the winding devices are formed by two mirror-inverted winding machines, wherein the yarn sheet supplied by the godet device can be fed to the winding stations of the two winding machines ,
  • the winding devices are formed by two mirror-inverted winding machines, wherein the yarn sheet supplied by the godet device can be fed to the winding stations of the two winding machines .
  • This allows a large number of threads simultaneously deduct and treat by a spinning device through the godet device.
  • the projecting length of the winding spindle can be limited.
  • the machine width increases to accommodate the godet device and compliance with the machine division.
  • the device according to the invention is particularly suitable for producing a plurality of synthetic threads in a melt spinning process for textile or technical applications, wherein the threads are guided parallel to one another on the godet sheaths of the short faces and long rolls as a group of threads.
  • 10 or 16 threads can be wound simultaneously into coils.
  • up to 32 threads can be withdrawn simultaneously by the godet device from a spinning device.
  • the combination of short godets and long godets enables intensive thermal treatments on the yarn sheet, which are required, for example, during relaxation to relieve stress.
  • the device according to the invention is particularly suitable for producing low-shrinkage yarns.
  • the operability of the godet device and the take-up device from an operating gear out is particularly advantageous in order to enable short downtimes after a fault.
  • the godet device and the take-up device can advantageously be constructed in such a modular manner that the godet device and the take-up device can be exchanged independently of one another.
  • Figure 1 shows schematically a side view of a first embodiment of the device according to the invention
  • FIG. 2 schematically shows a front view of the exemplary embodiment from FIG. 1
  • FIG. 3 shows a schematic plan view of the exemplary embodiment from FIG. 1
  • Figure 4 schematically shows a front view of another embodiment of the device according to the invention.
  • Figures 1, 2 and 3 a first embodiment of the device according to the invention for withdrawing and winding a yarn sheet in several views is shown schematically.
  • Figure 1 shows the embodiment in a side view
  • Figure 2 in a front view
  • Figure 3 the embodiment is shown in a plan view.
  • the embodiment of the device according to the invention is formed from a godet device 1 and a winding device 2.
  • the godet device 1 is held on a machine frame 3 that extends in a U-shape over the take-up device 2 arranged underneath the godet device 1.
  • the godet device 1 and the winding device 2 cooperate to deduct a group of threads after extrusion from a spinning device in a melt spinning process, to treat depending on the thread type and wind up the threads of the yarn sheet to form coils at the end.
  • the godet device 1 has a plurality of godet groups 6, 7 and 8 for pulling off a group of yarns.
  • a yarn collecting device 4 is arranged on an inlet side of the godet device 1, in order to bring the yarns of the yarn sheet 17 together to a thread pitch as equal as possible to one another.
  • the treatment distance between adjacent threads is in a range of 4 to 8 mm.
  • the yarn collecting device 4 has a comb yarn guide 4.1, which has a plurality of yarn guides for guiding the plurality of yarns.
  • the combing guide 4.1 is designed to be movable and cooperates with a cutting means 4.2 and a suction means 4.3.
  • the group of threads are received by the yarn collection device 4 and continuously fed to a suction.
  • an interruption of the melt spinning process is not required.
  • the yarn collecting device 4 is associated with a first godet group 6, which is formed from a plurality of unheated short godets 6.1.
  • the short-faces 6.1 are arranged together with the thread-collecting device 4 on a carrier wall 5.
  • the godet coats 6.2 project cantilevered out on a front side of the support wall five.
  • the short godets 6.1 are connected to drives, which are held on a rear side of the support wall 5 and are not shown here.
  • the first godet group 6 comprises in this embodiment three short godets 6.1.
  • a second godet group 7 is arranged on the support wall 5.
  • the second godet group 7 is formed by a long projecting Langgalette 7.1 and a Langgalette 7.1 associated overflow roller 7.2.
  • the long roll 7.1 is aligned coaxially with the short roll 6. 1 in front of the yarn path.
  • a tension zone formed, for example, to complete stretching the group of threads.
  • the yarn sheet 17 is performed with multiple wrapping.
  • the godet casing 7.4 of the long godet 7.1 is designed to be heated by a jacket heating 7.3, shown schematically.
  • the godet group 8 is formed by two unheated 8.1 short godets, which are arranged immediately above the take-up device 2.
  • the short godets 8.1 are arranged cantilevered with the godet sheaths 8.2 on a godet carrier 10 and connected to the arranged on the back of the godet carrier 10 godet drives 8.3.
  • a swirling device 9 is provided in order to swirl the yarns of the yarn sheet 17 independently of one another.
  • the short godets 8.1 are associated with a plurality of axially parallel to the short godets 8.1 arranged deflection rollers 1 1 on the winding device 2, which make a spreading and separation of the yarn sheet on several winding stations 12.
  • the number of threads and thus the number of winding points 12 are exemplary in the embodiment shown in Figure 1 to 3.
  • the group of threads can also comprise more than four threads.
  • the threads of the yarn sheet 17 are wound to a respective coil 18.
  • the winding stations 12 are identical and each have a arranged below the pulleys 1 1 traversing unit 13.
  • the coils 18 are wound simultaneously on a winding spindle 15.1.
  • the winding spindle 15.1 is held together with a second winding spindle 15.2 on a rotatably mounted winding turret 16.
  • the winding spindles 15.1 and 15.2 can be guided by rotation of the winding turret 16 alternately in an operating range and a change range.
  • a pressure roller 14 is provided, which rests on the circumference of the coil 18.
  • the pressure roller 14 is designed to be movable.
  • winding devices are indeed set up in a plurality of side by side, wherein a service gear 21 is formed parallel to a machine longitudinal side.
  • the operating gear 21 is essentially provided for the removal of the fully wound coils.
  • the winding devices 2 form a machine division in order to be able to produce a plurality of threads in parallel.
  • the godet group 8 is initially aligned with the short godets 8.1 substantially orthogonal to the winding spindle 15.1 and 15.2.
  • one of the short godets 8.1 is arranged directly at the front end of the winding device 2 such that the distribution and separation of the yarn sheet 17 through the deflection rollers 11 is possible from a substantially horizontally oriented distribution plane. This ensures a very short overall height Siert to allow an operator access to the godet device 1.
  • the longitudinal roll 7.1 of the second godet group 7 arranged in the yarn path is arranged obliquely to the short godet 8.1 of the third godet group 8 such that an angle exists between an axis of the long godet 7.1 and an axis of the short godet 8.1 established.
  • the angle is marked in Figure 3 with the code letter ⁇ .
  • the angle ⁇ is limited in size to a minimum value and a maximum value.
  • an angular position with an angle of at least 30 ° between the Langgalette 7.1 and the Kurzgalette 8.1 is required in order to comply with the predetermined by the take-up device 2 machine pitch can.
  • the angle in the range of 30 ° to 60 ° between the axis of the Langgalette 7.1 and the axis of the Kurzgalette 8.1 must be observed.
  • the support wall 5 is arranged obliquely in such a way that the short godets 6.1 arranged laterally next to the long handler 7.1 face the operating passage 21.
  • the number and choice of godets per godet 6, 7 and 8 is exemplary. In principle, it is possible to carry out the short godets 6.1 of the first godet cluster heated or unheated. Likewise, the number of Langgaletten 7.1 of the second Galettengmppe 7 is exemplary. Thus, advantageously several heated Langgaletten 7.1 can be used to perform an intensive heat treatment.
  • FIG. 4 schematically shows a further embodiment of the device according to the invention in a front view.
  • the embodiment according to FIG. 4 is essentially identical to the embodiment according to FIGS. 1 to 3, so that only the differences are explained at this point and otherwise reference is made to the aforementioned description.
  • the second Galettengmppe 7 of the godet device 1 is formed by two long projecting Langgaletten 7.1, which is repeatedly wrapped by the yarn sheet 17.
  • the Langgaletten 7.1 are cantilevered with their Galettenmänteln 7.4 held on the support wall 5.
  • Each of the Langgaletten 7.1 has a jacket heater 7.3.
  • the galette coats 7.4 of the long godets 7.1 are arranged in a godet box 19 over the surroundings.
  • the godet box 19 is held on the support wall 5 and shown in Figure 4 only in a partial sectional view.
  • the godet box 19 has a first thread opening 22 opposite an upstream short chain 6.1 and a second thread opening (not shown here) opposite the downstream short chain 8.1.
  • the first godet group 6 with a total of three short godets 6.1 and the third godet group 8 with two short godets 8.1 are identical to the aforementioned embodiment.
  • the arranged below the godet device 1 take-up device 2 is formed in this embodiment by two winding machines 20.1 and 20.2.
  • the winding machines 20.1 and 20.2 are arranged in mirror image to each other, wherein the structure of the winder 20.1 and 20.2 is identical to the embodiment of Figure 1 and 2 is formed.
  • each of the winding machines 20.1 and 20.2 each have four winding points 12.1 and 12.2.
  • the yarn sheet 17 is previously divided on the circumference of the winding stations 12.1 and 12.2 upstream Kurzgalette 8.1, so that at the godet device 1 a total of eight threads are performed as a group of threads.
  • Fig. 4 an arrangement of a plurality of devices is shown side by side, which form parallel to the operating gear 21, a machine longitudinal side.
  • the winding device 2 each forms a machine width, which forms a division between the spinning positions.
  • the godet device 1 is not arranged symmetrically within the machine pitch.
  • the support wall 5 protrudes with a rear end into the adjacent device.
  • the support wall 5 is arranged obliquely on the machine frame 3, that the substantially orthogonal excellent Langgalette 7.1 a desired angular position from 30 ° to 60 ° to Kurzgalette 8.1 or in this case to the machine longitudinal side and thus to the operating gear 21 has.
  • the support wall 5 is supported at the rear end by an adjacent machine frame 3 of an adjacent device.
  • the resulting overlapping design favors the compact machine arrangement.
  • the exemplary embodiment of the device according to the invention shown in FIG. 4 is particularly suitable for producing low-shrink polyamide filaments in a melt-spinning process.
  • the Langgalette 7.1 of the second godet group 7 is executed with a larger by a multiple diameter godet casing 7.4.
  • the godet jacket 7.4 of the Langgalette 7.1 7.1 times by a factor of 2 to 5 times longer in the shell length and by a factor of 1.8 to 3 times larger in the mandrel diameter in Relationship to a godet shell 6.2 of the upstream short godet 6.1.
  • the shell length of Langgalette 7.1 the number of thread wraps can be determined.
  • the threads of the yarn sheet 17 are withdrawn by the first godet group 6 with preferably not heated short godets 6.1.
  • the total of three short godets 6.1 can be driven with low differential speeds to build a thread tension.
  • a strut of the threads of the group of threads 17 is then effected in the draw zone formed between the first godet group 6 and the second godet group 7.
  • the adjacent short godet 6.1 and the long roll 7.1 are held axially parallel to the support wall 5.
  • the short godets 6.1 are looped around by a loop of yarn at a maximum wrap angle of 300 °.
  • the Galettenmäntel 7.4 is set to a temperature range of 130 ° C to 190 ° C for the relaxation of the polyamide threads.
  • the threads of the yarn sheet 17 are taken up by the third godet group 8 and cooled.
  • the third godet group 8 has the two unheated short godets 8.1, which are preferably identical to the short godets 6.1 of the first godet group 6. To improve the thread closing the threads are swirled in the yarn path between the short godets 8.1 in the turbulizer 9.
  • the yarn sheet 17 is divided and fed to the winding stations 12.1 and 12.2 of the two winding machines 20.1 and 20.2.
  • the threads are wound into a coil.
  • the embodiment shown in Figure 4 is thus particularly suitable for the production of polyamide threads. In principle, however, it is also possible to use the device according to the invention for producing fully drawn threads made of polyester or another polymer.

Landscapes

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

Abstract

La présente invention concerne un dispositif pour retirer et enrouler une nappe de fils sur des bobines à l'aide d'un dispositif de galets muni de plusieurs galets pouvant être entraînés et à l'aide d'un dispositif d'enroulement ayant plusieurs positions d'enroulement. Pour séparer la nappe de fils, le dispositif de galets présente un galet court sur lequel la nappe de fils s'enroule une fois et le dispositif d'enroulement présente plusieurs poulies montées en aval du galet court. Le galet court agit sur le dispositif de galets conjointement avec au moins un galet long sur lequel la nappe de fils s'enroule plusieurs fois. Afin de garder un guidage des fils le plus délicat possible et une conception compacte du dispositif, le galet long et le galet court sont agencés, selon l'invention, au-dessus du dispositif d'enroulement, de telle sorte qu'un axe du galet long et un axe du galet court soient orientés l'un par rapport à l'autre de manière décalée selon un angle situé dans la plage de 30° à 60°.
PCT/EP2018/071102 2017-08-05 2018-08-03 Dispositif pour retirer et enrouler une nappe de fils WO2019030134A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112018003992.7T DE112018003992A5 (de) 2017-08-05 2018-08-03 Vorrichtung zum Abziehen und Aufwickeln einer Fadenschar
JP2020506146A JP7203818B2 (ja) 2017-08-05 2018-08-03 糸群を引き出しかつ巻き取る装置
CN201880050712.0A CN110997990A (zh) 2017-08-05 2018-08-03 用于抽出和卷绕纱片的装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017007432 2017-08-05
DE102017007432.1 2017-08-05

Publications (1)

Publication Number Publication Date
WO2019030134A1 true WO2019030134A1 (fr) 2019-02-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/071102 WO2019030134A1 (fr) 2017-08-05 2018-08-03 Dispositif pour retirer et enrouler une nappe de fils

Country Status (4)

Country Link
JP (1) JP7203818B2 (fr)
CN (1) CN110997990A (fr)
DE (1) DE112018003992A5 (fr)
WO (1) WO2019030134A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022208199A1 (fr) * 2021-03-30 2022-10-06 Stc Spinnzwirn Gmbh Installation de fabrication de fil

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JPH0740776U (ja) * 1993-12-27 1995-07-21 東レ株式会社 直接紡糸延伸巻取装置
JP2001200421A (ja) * 2000-01-13 2001-07-27 Toray Ind Inc 糸条引取装置
WO2011009498A1 (fr) * 2009-07-24 2011-01-27 Oerlikon Textile Gmbh & Co. Kg Procédé de filage à l'état fondu, d'étirage et de déroulement d'un filé multifilament, et procédé d'exécution du procédé
WO2013013968A1 (fr) 2011-07-26 2013-01-31 Oerlikon Textile Gmbh & Co. Kg Dispositif de filage à chaud
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Publication number Priority date Publication date Assignee Title
JPH0740776U (ja) * 1993-12-27 1995-07-21 東レ株式会社 直接紡糸延伸巻取装置
JP2001200421A (ja) * 2000-01-13 2001-07-27 Toray Ind Inc 糸条引取装置
WO2011009498A1 (fr) * 2009-07-24 2011-01-27 Oerlikon Textile Gmbh & Co. Kg Procédé de filage à l'état fondu, d'étirage et de déroulement d'un filé multifilament, et procédé d'exécution du procédé
WO2013013968A1 (fr) 2011-07-26 2013-01-31 Oerlikon Textile Gmbh & Co. Kg Dispositif de filage à chaud
WO2014139976A1 (fr) * 2013-03-15 2014-09-18 Oerlikon Textile Gmbh & Co. Kg Dispositif de filage à chaud, d'étirage et d'enroulement de plusieurs fils synthétiques
DE102015016800A1 (de) * 2015-12-23 2017-06-29 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Schmelzspinnen, Abziehen, Verstrecken, Relaxieren und Aufwickeln eines synthetischen Fadens für technische Anwendungszwecke und eine zugehörige Vorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022208199A1 (fr) * 2021-03-30 2022-10-06 Stc Spinnzwirn Gmbh Installation de fabrication de fil

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DE112018003992A5 (de) 2020-04-16
JP7203818B2 (ja) 2023-01-13
JP2020529533A (ja) 2020-10-08
CN110997990A (zh) 2020-04-10

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