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EP3788186B1 - Verfahren zum schmelzspinnen und aufwickeln synthetischer garne sowie vorrichtung zur durchführung des verfahrens - Google Patents

Verfahren zum schmelzspinnen und aufwickeln synthetischer garne sowie vorrichtung zur durchführung des verfahrens Download PDF

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Publication number
EP3788186B1
EP3788186B1 EP19720539.6A EP19720539A EP3788186B1 EP 3788186 B1 EP3788186 B1 EP 3788186B1 EP 19720539 A EP19720539 A EP 19720539A EP 3788186 B1 EP3788186 B1 EP 3788186B1
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EP
European Patent Office
Prior art keywords
control unit
wiping
winding
spinning
machine control
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.)
Active
Application number
EP19720539.6A
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English (en)
French (fr)
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EP3788186A1 (de
Inventor
Bernd Schumacher
Ren XIANMING
Shigang Li
Xudong Yang
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
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Oerlikon Textile GmbH and Co KG
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Publication of EP3788186A1 publication Critical patent/EP3788186A1/de
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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
    • D01D13/00—Complete machines for producing artificial threads
    • D01D13/02—Elements of machines in combination
    • 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
    • D01D4/00—Spinnerette packs; Cleaning thereof
    • D01D4/04—Cleaning spinnerettes or other parts of the spinnerette packs
    • 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

Definitions

  • Present invention relates to a method of melt-spinning and winding synthetic yarns, and an equipment for realizing the method.
  • melt-state thermoplastics are sprayed out, under an operating pressure by spinneret capillaries of spinneret nozzle plate.
  • Continuous long melts which are sprayed out along gravity direction are formed into continuous filaments under compulsive cooling air.
  • monomers or low polymers prone to linger on surface of spinneret nozzle plate of spinneret solidify into impurities or coking materials. Therefore it is necessary to clean spinneret nozzle plate on a regular basis.
  • one spinning zone is assigned with one operator who takes responsibility of wiping spinneret nozzle plates of said spinning zone.
  • the general workflow of wiping is, first scraping surface of spinneret nozzle plate, then spraying silicone oil onto surface of spinneret nozzle plate, afterwards second-time scraping, then second-time silicone oil spraying.
  • present invention provides a method of melt-spinning and winding synthetic yarns, and an equipment for realizing the method, to solve aforementioned problem.
  • Technical solutions which are used to achieve the aim are listed as follows.
  • a method of melt-spinning and winding synthetic yarns wherein a polymer melt is conveyed through a spin pump and fed to a plurality of spinnerets which extrude the polymer melt into a plurality of yarns respectively, wherein the yarns are wound into a plurality of bobbins by a winding device and wherein the spinnerets are regularly maintained by wiping a spinneret nozzle plate, the maintenance of at least one of the spinnerets is initiated by manual pressing a wiping button which is connected to a machine control unit and the machine control unit generates a control command which is transmitted to a wiping robot.
  • the machine control unit checks whether the winding device is in winding status and sends different control commands to the wiping robot based on different check results.
  • the machine control unit Prior to start of wiping action of the wiping robot, it is necessary that the machine control unit knows status of the winding device, given that spinneret nozzle plate wiping has to be performed with no influence on bobbin formation on the winding device. Based on abovementioned reason, if the machine control unit checks that the winding device is in winding status, the machine control unit sends to the wiping robot a signal to wait wiping action until bobbin is full. Another possibility is, if the machine control unit checks that the winding device is not in winding status, the machine control unit sends to the wiping robot a signal to immediately start wiping action.
  • the wiping robot is able to move out of a base station and stops in one of several maintenance positions and positions itself.
  • the wiping robot is stationed at the base station which is adjacent to the spinning zone in non-wiping time. After operator presses down the wiping button of corresponding spinning position, the wiping robot moves to corresponding spinning position in a manner of self-positioning.
  • present invention further provides an equipment for melt-spinning and winding a plurality of yarns, which could achieve automatic wiping of spinneret nozzle plate. It is equipped with a spinning device having at least one spinning pump and a plurality of spinnerets, with a spinning beam for receiving the detachably held spinnerets, with a winding device for winding the yarns to a plurality of bobbins and a machine control unit which is connected at least to a winding control unit of the winding device, wherein the spinning pump is controlled by a spinning pump control unit, wherein, a wiping button is connected with the machine control unit and the machine control unit is connected with a robot control unit of a wiping robot, which is moveable along a line parallel to the spinnerets.
  • a spinning device having at least one spinning pump and a plurality of spinnerets, with a spinning beam for receiving the detachably held spinnerets, with a winding device for winding the yarns to a
  • the machine control unit has a checking unit which is connected to the winding control unit of the winding device so as to check if the winding device is in winding status. Based on different check results, the machine control unit sends out different control commands to the robot control unit of the wiping robot.
  • Figure 1 schematically presents front view of an equipment for melt-spinning and winding synthetic yarns according to present invention, and exemplarily shows two spinning devices 1.1 and 1.2 which are side by side. Due to that a winding device below the spinning device 1.1 has the same configuration with a winding device 14 below the spinning device 1.2, only the winding device 14 below the spinning device 1.2 is shown for the sake of simplicity.
  • the spinning device 1.2 includes a spinning beam 23 with a heating function. Downside of the spinning beam 23 is maintained with multiple spinnerets 6.1-6.5. In present embodiment, five spinnerets are maintained at downside of the spinning beam 23.
  • a spinning pump 2.1 which is designed as a multi-pump is disposed above the spinning beam 23. The spinning pump 2.1 is connected with the spinnerets 6.1-6.5 via separate melt pipelines. The melt pipelines and the dismountable spinnerets 6.1 - 6.5 are disposed within the spinning beam 23 to ensure the melts are kept in melting state before being sprayed out.
  • the polymer melt in melting state is transported to the spinnerets 6.1-6.5 via the pipeline under a pressure generated by the spinning pump 2.1.
  • the spinning pump 2.1 is controlled by a spinning pump driver 3.1.
  • the spinning pump driver 3.1 is controlled by a spinning pump control unit 4.1.
  • the spinnerets 6.1-6.5 has multiple spinneret capillaries within a spinneret nozzle plate, from which the melts are sprayed out. Under cooling influence of a cooling device not shown the melt turns into continuous filament bundles after being spun out.
  • two godets 7 are disposed above the spinning device 12.
  • the filament bundles partially wrap around the two godets 7 which are respectively driven by a godet driver 8.
  • a winding device 14 is used to wind the filament bundles.
  • the winding device 14 is designed to have two bobbin shafts 11 and 12.
  • the bobbin shafts 11 and 12 are maintained on a rotatable rotation frame 13, so that the bobbin shafts 11 and 12 are alternately under winding status, whereby continuity of yarn winding is guaranteed.
  • the bobbin shaft 11 is driven by a bobbin shaft driver 11.1.
  • the bobbin shaft 12 is driven by a bobbin shaft driver 12.1.
  • the rotation frame 13 is driven by a rotation frame driver 13.1.
  • the inlet area of the winding device 14 is distributed with a traverse device 9 which provides a traverse yarn guider for each yarn.
  • the traverse device 14 is driven by a traverse device driver 9.1.
  • the bobbin shaft driver 11.1, the bobbin shaft driver 12.1, the rotation frame driver 13.1 and the traverse device driver 9.1 are controlled by a winding control unit 15.
  • the equipment is further equipped with a machine control unit 16 which is preferably configured by a micro-processor in the form of PC.
  • the machine control unit 16 is connected with the spinning pump control unit 4.1 and the winding control unit 15.
  • the equipment is further provided with a wiping robot 19 which is able to move along a direction parallel to the arrangement direction of the spinnerets 6.1-6.5.
  • the wiping robot 19 is moveably disposed on a guide rail 20 which is parallel to the arrangement direction of the spinnerets 6.1-6.5.
  • the wiping robot 19 Under non-working status, the wiping robot 19 is stationed at a base station outside spinning area. The base station is the place wherein the wiping robot 19 will return to eventually after finish of each wiping task.
  • Length of the guide rail 20 is chosen to be covering spinnerets of all spinning devices. From the front view perspective of figure 1 , height of the guide rail 20 is lower than the spinnerets 6.1-6.5.
  • FIG. 3 schematically shows partial side view diagram of an equipment for melt-spinning and winding synthetic yarns according to present invention, when the wiping robot is at wiping position before start of wiping action.
  • the wiping robot 19 is at a position underneath the spinning beam 23 but close to outer side, such that, during non-wiping time, the wiping robot 19 will not interfere with normal spun-out filaments.
  • Two sides of upper end of the wiping robot 19 is mounted with advancing wheels 22 which are driven by a motor not shown.
  • the advancing wheels 22 are able to move along length direction of the guide rail 20 under motor driving.
  • One side of the wiping robot 19 which faces the filaments is provided with a first telescopic arm 25 controllable to extend or retract.
  • End of the first telescopic arm 25 is provided with a base 26.
  • the base 26 has a second telescopic arm 27 inside, which is also controllable to extend or retract.
  • Wiping element 24.1 is disposed on end of the second telescopic arm 27.
  • the wiping robot 19 is controlled by a robot control unit 28.
  • the spinneret 6.1 is maintained at the downside of the spinning beam 23.
  • the bottom of the spinneret 6.1 is provided with a spinneret nozzle plate 29.1.
  • the spinneret nozzle plate 29.1 is outside the spinning beam 23, so that the wiping robot 19 is able to wipe the underside of the spinneret nozzle plate 29.1.
  • each spinning position 1.1 and 1.2 is configured with a wiping button 5.1 and 5.2 shown in figure 1 which are respectively electrically connected with the machine control unit 16.
  • the machine control unit 16 is provided with a wireless signal emitter 18 so as to send out control command signal.
  • the robot control unit 28 is provided with a wireless signal receiver 21 so as to receive control command signal from the wireless signal emitter 18. The robot control unit 28 controls actions of the wiping robot 19 according to the control command signal.
  • the machine control unit 16 has a checking unit 17.
  • the checking unit 17 is connected with the winding control unit 15 of the winding device 14 so as to check working status of the winding device 14. Based on the check result of the checking unit 17, the machine control unit 16 sends corresponding control command signal to the robot control unit 28 of the wiping robot 19.
  • the machine control unit 16 via the wireless signal emitter 18 sends out a control command signal of immediately start wiping action to the wireless signal receiver 21 of the robot control unit 28. Meanwhile the machine control unit 16 sends a signal regarding position of the spinning position to the robot control unit 28 of the wiping robot.
  • the wiping robot 19 under control the robot control unit 28 self-position to the position of corresponding spinning device 1.2 to perform wiping task.
  • the machine control unit 16 sends out a control command signal of waiting wiping action until bobbin is full to the wiping robot.
  • the checking unit17 maintains communication with the winding control unit 15, until the winding control unit 15 sends a signal of finished bobbin winding.
  • the machine control unit 16 initiate a process interruption and communicates with the spinning pump control unit 4.1 to stop the spinning pump 2.1.
  • the machine control unit 16 communicates to the robot control unit 28, so that the robot control unit 28 controls the wiping robot 19 to start moving and wiping action.
  • FIG. 4 schematically shows, when the wiping robot is at wiping position after start of wiping action, partial side view diagram of an equipment for melt-spinning and winding synthetic yarns according to present invention.
  • the first telescopic arm 25 under action of a driver not shown extends outwardly, until the wiping element 24.1 is pushed to a position right below the spinnerets 6.1.
  • the second telescopic arm 27 under a driver not shown extends upwardly, until the wiping element 24.1 is in contact with lower surface of the spinneret nozzle plate 29.1.
  • the wiping element 24.1 is preferably comprised of a turnable brush and an injector which could inject silicon oil.
  • the wiping element 24.1 is controllable to perform the following sequence: first scraping - first silicon oil injection - second scraping - second silicon oil injection.
  • FIG. 2 schematically shows front view diagram of present invention when wiping robot self-positions itself to the spinning position which needs wiping.
  • the wiping robot 19 has five wiping elements 24.1-24.5 which are spaced apart.
  • Each wiping element 24.1-24.5 could respectively align with the spinnerets 6.1-6.5, such that five spinneret nozzle plates could be simultaneously wiped, which could improve wiping efficiency and reduce wiping time for each spinning position.
  • the first telescopic arm 25 and the second telescopic arm 27 retract under the action of a driver not shown, the wiping robot 19 moves back to the base station under control of the robot control unit 28.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Claims (5)

  1. Verfahren zum Schmelzspinnen und Aufwickeln von synthetischen Garnen, bei welchem eine Polymerschmelze durch eine Spinnpumpe (2.1) gefördert und zu einer Mehrzahl von Spinndüsen (6.1-6.5) gespeist wird, welche die Polymerschmelze jeweils in eine Mehrzahl von Garnen extrudieren, wobei die Garne durch eine Wickelvorrichtung (14) in eine Mehrzahl von Spulen gewickelt werden und wobei die Spinndüsen (6.1-6.5) regelmäßig durch Abstreifen einer Spinndüsenplatte (29.1) gewartet werden, dadurch gekennzeichnet, dass die Wartung mindestens einer der Spinndüsen (6.1-6.5) durch manuelles Drücken einer Abstreiftaste (5.1) eingeleitet wird, welche mit einer Maschinensteuerungseinheit (16) verbunden ist, und die Maschinensteuerungseinheit (16) einen Steuerbefehl erzeugt, der zu einem Abstreifroboter (19) übertragen wird,
    und dadurch, dass nach manuellem Drücken der Abstreiftaste (5.1) die Maschinensteuerungseinheit (16) prüft, ob sich die Wickelvorrichtung (14) in einem Wickelzustand befindet, und basierend auf unterschiedlichen Prüfergebnissen unterschiedliche Steuerbefehle an den Abstreifroboter (19) sendet.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass, wenn die Maschinensteuerungseinheit (16) prüft, dass sich die Wickelvorrichtung (14) in einem Wickelzustand befindet, die Maschinensteuerungseinheit (16) an den Abstreifroboter (19) ein Signal sendet, mit dem Abstreifvorgang zu warten, bis die Spule voll ist.
  3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass, wenn die Maschinensteuerungseinheit (16) prüft, dass sich die Wickelvorrichtung (14) nicht in dem Wickelzustand befindet, die Maschinensteuerungseinheit (16) an den Abstreifroboter (19) ein Signal zum unmittelbaren Starten des Abstreifvorgangs sendet.
  4. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Abstreifroboter (19) in der Lage ist, sich aus einer Basisstation heraus zu bewegen, und in einer von mehreren Wartungspositionen stoppt und sich positioniert.
  5. Einrichtung zum Schmelzspinnen und Aufwickeln einer Mehrzahl von Garnen mit einer Spinnvorrichtung (1.1, 1.2), die mindestens eine Spinnpumpe (2.1) und eine Mehrzahl von Spinndüsen (6.1-6.5) aufweist, mit einem Spinnbalken (23) zum Aufnehmen der abnehmbar gehaltenen Spinndüsen (6.1-6.5), mit einer Wickelvorrichtung (14) zum Aufwickeln der Garne auf eine Mehrzahl von Spulen und einer Maschinensteuerungseinheit (16), die mit mindestens einer Wickelsteuerungseinheit (15) der Wickelvorrichtung (14) verbunden ist, wobei die Spinnpumpe (2.1) durch eine Spinnpumpensteuerungseinheit (4.1) gesteuert wird, dadurch gekennzeichnet, dass eine Abstreiftaste (5.1) mit der Maschinensteuerungseinheit (16) verbunden ist und die Maschinensteuerungseinheit (16) mit einer Robotersteuerungseinheit (28) eines Abstreifroboters (19) verbunden ist, der entlang einer Linie parallel zu den Spinndüsen (6.1-6.5) beweglich ist, und dadurch, dass die Maschinensteuerungseinheit (16) eine Prüfeinheit (17) aufweist, die mit der Wickelsteuerungseinheit (15) der Wickelvorrichtung (14) verbunden ist, und wobei die Maschinensteuerungseinheit (16) dazu ausgelegt ist, nachdem die Abstreiftaste (5.1) manuell gedrückt wurde, zu prüfen, ob sich die Wickelvorrichtung (14) in einem Wickelzustand befindet, und basierend auf unterschiedlichen Prüfergebnissen unterschiedliche Steuerbefehle an den Abstreifroboter (19) zu senden.
EP19720539.6A 2018-05-04 2019-04-26 Verfahren zum schmelzspinnen und aufwickeln synthetischer garne sowie vorrichtung zur durchführung des verfahrens Active EP3788186B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810418948.7A CN110438575B (zh) 2018-05-04 2018-05-04 一种熔体纺丝和纱线卷绕的方法以及用于实现该方法的设备
PCT/EP2019/060711 WO2019211181A1 (en) 2018-05-04 2019-04-26 A method of melt-spinning and winding synthetic yarns, and an equipment for realizing the method

Publications (2)

Publication Number Publication Date
EP3788186A1 EP3788186A1 (de) 2021-03-10
EP3788186B1 true EP3788186B1 (de) 2024-08-28

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EP19720539.6A Active EP3788186B1 (de) 2018-05-04 2019-04-26 Verfahren zum schmelzspinnen und aufwickeln synthetischer garne sowie vorrichtung zur durchführung des verfahrens

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EP (1) EP3788186B1 (de)
JP (1) JP7346452B2 (de)
CN (1) CN110438575B (de)
WO (1) WO2019211181A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113737291B (zh) * 2020-05-29 2023-12-19 欧瑞康纺织有限及两合公司 熔纺设备
JP7612376B2 (ja) 2020-10-26 2025-01-14 株式会社東芝 電界紡糸装置、及び、電界紡糸ヘッドの清掃方法
CN114293274B (zh) * 2021-12-28 2023-03-14 杭州汇云天丽实业有限公司 一种抗压皱高强度锦纶poy丝的生产装置及使用方法

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JPS6039404A (ja) * 1983-08-12 1985-03-01 Nippon Ester Co Ltd 溶融紡糸における紡糸口金面清掃方法
JPS6155207A (ja) * 1984-08-22 1986-03-19 Toray Ind Inc 溶融紡糸口金面の清浄化方法
US4916625A (en) * 1988-09-08 1990-04-10 E. I. Du Pont De Nemours And Company Inferential time-optimized operation of a fiber producing spinning machine by computerized knowledge based system
ATE490355T1 (de) * 2006-05-08 2010-12-15 Oerlikon Textile Gmbh & Co Kg Spinn-treck-texturiermaschine
JP2008095252A (ja) * 2006-10-13 2008-04-24 Toray Ind Inc 溶融紡糸口金の清掃方法
CN101805930B (zh) * 2010-04-28 2011-05-11 太原理工大学 一种聚苯硫醚熔融纺丝喷丝板的清洗方法
CN103361751A (zh) * 2012-04-06 2013-10-23 欧瑞康纺织技术(北京)有限公司 纺丝机
CN104213206B (zh) * 2014-09-19 2016-05-04 江苏恒科新材料有限公司 全自动清板系统
JP6681307B2 (ja) * 2015-10-30 2020-04-15 Ｔｍｔマシナリー株式会社 紡糸引取装置
DE102016014976A1 (de) * 2016-02-05 2017-08-10 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Schmelzspinnen eines Fadens
CN106012063B (zh) * 2016-07-29 2019-03-08 广东新会美达锦纶股份有限公司 一种自动清丝回收纺丝机
CN206607340U (zh) * 2017-03-17 2017-11-03 杭州锐冠科技有限公司 一种自动清板系统

Also Published As

Publication number Publication date
CN110438575B (zh) 2023-04-21
EP3788186A1 (de) 2021-03-10
JP7346452B2 (ja) 2023-09-19
CN110438575A (zh) 2019-11-12
WO2019211181A1 (en) 2019-11-07
JP2021522423A (ja) 2021-08-30

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