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WO2014090617A1 - Procédé et système de commande d'une machine de production de fibres - Google Patents

Procédé et système de commande d'une machine de production de fibres Download PDF

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Publication number
WO2014090617A1
WO2014090617A1 PCT/EP2013/075236 EP2013075236W WO2014090617A1 WO 2014090617 A1 WO2014090617 A1 WO 2014090617A1 EP 2013075236 W EP2013075236 W EP 2013075236W WO 2014090617 A1 WO2014090617 A1 WO 2014090617A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
control unit
sensors
control
detection signal
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.)
Ceased
Application number
PCT/EP2013/075236
Other languages
German (de)
English (en)
Inventor
Arnulf Sauer
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
Oerlikon Textile GmbH and 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 and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Priority to JP2015546936A priority Critical patent/JP6351613B2/ja
Priority to DE112013005971.1T priority patent/DE112013005971A5/de
Priority to CN201380065021.5A priority patent/CN104955993B/zh
Publication of WO2014090617A1 publication Critical patent/WO2014090617A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices

Definitions

  • the invention relates to a method for controlling a fiber production machine according to the preamble of claim 1 and to a device for carrying out the method for controlling a fiber production machine according to the preamble of claim 8.
  • the production of, in particular, synthetic fibers and threads is carried out with different production machines depending on the respective process.
  • the production of the fibers and filaments is generally carried out by means of so-called melt spinning apparatus, in which the processing units are formed by an extruder, spinning pumps, spinnerets, godets, drawers and winders. In this case, several threads are usually spun simultaneously, stretched and wound up into coils.
  • the process units are for this purpose able to lead and treat a plurality of fibers or filaments simultaneously.
  • processing machines used for processing usually processing units are used, leading individual filaments or fiber bundles.
  • fiber production machines for the production of textured yarns usually have a plurality of processing stations, in each of which a plurality of process units for guiding, treating and stretching the threads is provided.
  • the fiber production machines use actuators and sensors in their process units to monitor and control the particular manufacturing process.
  • the actuators and sensors form functional units which are coupled to a control device via independent lines for the transmission of control or sensor signals.
  • the information exchange between the sensors and the control device is limited to sensor signals that contain information about the process or the process unit. In this case, it is assumed that the information transmitted by the respectively relevant sensor can be used directly for evaluation and control.
  • sensors are fundamentally also subject to production tolerances, which could lead to individual signal deviations.
  • Another object of the invention is to provide a method for controlling a fiber production machine and a control device in which, or in which a swapping of sensors is avoided.
  • the invention is characterized in that, at the beginning of the process, a comparison is made between the hardware used for detecting process parameters and the stored control software for evaluating the measured values. This can be advantageously avoided erroneous measurements or incorrect evaluations. Particularly for the production of artificial threads, the observance and the monitoring of process parameters such as the peripheral speeds of godets or the treatment temperatures of heating means are decisive for the Quality of the produced fiber products.
  • the sensor For comparison between the sensor hardware and the stored control software, the sensor generates a detection signal when activated, which is transmitted to the control unit. This makes it possible to identify the sensors used in the respective process unit.
  • the information about the identity of the sensor can be used within the control unit to trigger, for example, a process release.
  • the control unit could trigger a control command to indicate to an operator the replacement of the unidentifiable sensor. This makes it possible to realize high production reliability in the production of fibers and threads.
  • the recognition signal can be advantageously generated as a binary code or a sequence of binary codes.
  • intelligent sensors which have different software updates depending on their date of manufacture, can advantageously be identified by means of a sequence of binary codes.
  • the activation of the sensor is usually carried out by applying a supply voltage s, so that immediately after switching on the power supply, a comparison between the sensor hardware and the control software takes place.
  • the sensor emits a detection signal only when a release generated by the control unit.
  • a release signal to the sensor is derived via the control unit, which is requested to deliver a detection signal.
  • the development of the invention is particularly preferably carried out, in which a specific control program coordinated with the sensor is assigned to the detection signal within the control unit.
  • a specific control program coordinated with the sensor is assigned to the detection signal within the control unit.
  • sensor-specific properties such as a calibration can be taken into account individually.
  • the sensors are assigned depending on the state of manufacture or the product type specific detection signals in order to be able to call specific control programs within the control unit.
  • the control device has at least one microcontroller in one of the sensors, which generates a sensor-specific detection signal.
  • the detection signal is triggered when the sensor is activated and transmitted to the control unit.
  • an evaluation unit is contained in the control unit, by means of which a control program assigned to the detection signal can be activated.
  • each specific sensor is assigned a corresponding control program.
  • the development of the control device is preferably used, in which product-specific detection signals can be generated upon activation of the sensors by associated microcontrollers, to which within the control device stored different control programs are reserved. In this way, appropriate control programs can be assigned to each of the sensors involved in the process control.
  • the control device according to the invention can be used particularly advantageously in fiber production machines for the production of synthetic threads.
  • Such fiber production machines have to wind the threads processing units, which have several driven winding spindles as a winding machine.
  • the sensor is preferably designed as a speed sensor and the actuator as a spindle motor.
  • the godets of drafting devices can be incorporated into the control concept according to the invention, so that the sensor could be designed as a speed sensor and the actuator as a godet motor.
  • the control device is basically not limited to specific types of sensors. So there is also the possibility that the sensor as a yarn tension sensor and the actuator are designed as a texturing motor, which is usually in the processing unit for Texturing threads are used. What is important here is that an actual value recording coordinated with the process management is guaranteed.
  • Fig. 1 shows schematically a view of a fiber production machine for producing synthetic threads
  • FIG. 2 schematically shows a godet drive of the drawing device from FIG.
  • Fig. 3 shows schematically a view of a fiber production machine for texturing synthetic threads
  • FIG. 1 schematically shows a view of a fiber production machine for the production of synthetic threads.
  • Such melt-spinning machines usually have a plurality of spinning positions, which are independently controllable for producing a group of threads.
  • the melt spinning machine has in the spinning position a spinning device 1, a drawing device 2 and a winding device 3, which are usually arranged vertically to each other to a yarn path.
  • the spinning device 1 has a heated spinning beam 8, on whose underside a plurality of spinnerets 9 are held.
  • a spinning pump 7 is arranged, which is designed as a multiple pump and is connected via a distributor system not shown here in detail with the spinnerets 9.
  • each spinneret 9 is supplied with a separate flow of a polymer melt.
  • the spinning pump 7 has a pump drive 7.1 and a pump control unit 7.2.
  • the polymer melt is produced by an extruder 5 in this embodiment.
  • the extruder 5 is operated via an extruder drive 5.1 and an extruder control device 5.2.
  • a measuring head On the outlet side of the extruder 5 usually a measuring head is arranged, which contains at least one pressure sensor and a temperature sensor. In this embodiment, by way of example only the pressure sensor 5. 3 is shown.
  • the spinnerets 9 arranged on the underside of the spinneret 8 each have on their undersides a nozzle plate (not illustrated here) with a plurality of nozzle bores in order to extrude a multiplicity of filaments from the nozzle bores.
  • a nozzle plate not illustrated here
  • the cooling of the filaments is carried out by a cooling device 19, which is formed directly below the spinning beam 8.
  • the cooling device 19 has blowing means, not shown here, in order to cool the freshly extruded filament strands by means of a cooling air.
  • a preparation device 10 is provided between the spinning device 1 and the drawing device 2 in order to wet the filament bundles.
  • the drawing device 2 has two driven godets 11 and 12, which are looped around several times by the yarn sheet.
  • each galette 11 and 12 are each a deflection roller
  • the godet 11 is driven by a godet motor 11.1 and the godet 12 via a godet motor 12.2.
  • Each of the godet motors 11.1 and 12.1 is assigned a godet control device 11.2 and 12.2.
  • For detecting the input speed of the godet 11 is a speed sensor 11.3 and the godet 12, a speed sensor 12.3 assigned.
  • the winding device 3 For receiving the drawn threads, the winding device 3 is provided with two winding spindles 13 and 14, which are held on a rotatable winding turret not shown here.
  • the winding spindle 13 is associated with a spindle drive 13.1 and a speed sensor 13.2.
  • the Spulspin- del 14 is another spindle drive 14.1 and another speed sensor
  • the control device 4 has for this purpose a main control unit 18.
  • the main control unit 18 is preferably formed by a microprocessor in the form of a PC s to visualizations and To allow operations by an operator.
  • the main control unit 18 are each assigned a spinning control unit 16, a godet control unit 21 and a winding control unit 17 in a so-called master-slave constellation.
  • the spinning control unit 16 is used to control and monitor the actuators and sensors of the spinning device 1. Accordingly, the actuators and sensors of the drawing device 2 are controlled by the godet control unit 21 and the actuators and sensors on the winding device 3 by the winding control unit 17 and monitored.
  • the sensors can generate a detection signal upon activation and supply them to the respective control device. This functionality is shown using the example of the godet 11 and the associated godet control unit 21 in FIG. 2.
  • the rotational speed sensor 11. 3 has a microcontroller 22.
  • the speed sensor 11.3 of the godet 11 is connected via a signal line 23 to the godet control unit 21.
  • the godet control unit 21 has an evaluation unit 24.
  • the godet control unit 21 is coupled via a control line 25 to the godet control unit 11.2 and the godet motor 11.1.
  • a Detection s signal generated upon activation of the speed sensor 11.3 by the microcontroller 22 a Detection s signal generated. The activation could be initiated for example by a voltage supply of the speed sensor 11.3.
  • the detection signal which is usually generated as a binary code or as a sequence of a plurality of binary codes, is supplied to the godet control unit 21 via the signal line 23.
  • the detection signal is received and analyzed via the evaluation unit 24. The analysis could be done by comparing the transmitted detection signal with stored and allowed detection s signals within the godet control unit 21.
  • a plurality of sensor-specific control programs are stored, so that after identification of the speed sensor 11.3, a corresponding assignment of the control program takes place.
  • the control program contains the characteristic variables which are specific to the respective sensor, for example measuring range, calibration, etc. The production process can now be started.
  • the godet control unit 21 could send a control command to the main control unit to notify an operator of an unidentified sensor.
  • FIG. 3 shows a further exemplary embodiment of a fiber production machine with the control device according to the invention.
  • the embodiment shown in FIG. 3 is a texturing machine having a plurality of processing stations. In each processing point a plurality of process units are arranged in a machine frame to a yarn path. A first group of process units is formed by a delivery mechanism 26, which deducts a thread from a supply spool of a gate 28.
  • the other process units of a processing station will be described below.
  • a heater 30 and a cooling device 31 In the thread running direction behind the first delivery mechanism 26 is a heater 30 and a cooling device 31.
  • the heater 30 and the cooling device 31 are arranged in a thread running plane above the first delivery mechanism 26 and span an operating gear 38.
  • the false twist unit 32 is driven by a Texturiermotor 33, which is associated with a Texturier horrinate 44.
  • the thread 29 is subsequently taken up by a second delivery mechanism 35 and guided via a third delivery mechanism 36 to a winding station 37.
  • the winding station 37 has a width which comprises the yarn path of three adjacent processing points.
  • the delivery mechanisms 26 and 35 are constructed identically in this exemplary embodiment and are each formed by a godet 39 and an overflow roller 40 assigned to the godet 39.
  • the godet 39 is driven by a godet motor 41.
  • the overrunning roller 40 is freely rotatably mounted, so that the yarn 29 is guided over the godet 39 and the overrunning roller 40 with a plurality of wraps.
  • the godet motors 41 are connected via godet controllers 42.1 and 42.2 to a machine control unit 43. Likewise, the thread tension transmitter 34 is coupled to the machine control unit 43.
  • the thread tension sensor 34 is designed with a microcontroller to generate a detection signal when activated.
  • the detection signal is given to the machine control unit 43, so that a comparison between the sensor hardware and the control software is possible before the start of the process.
  • a control program tuned thereto can be activated in the machine control unit 43 to monitor and control the texturing process.
  • the yarn tension sensor 34 and the machine control unit 43 are formed analogously to the embodiment of FIG. 2, so that no further explanation follows at this point.
  • the sensor signal of the thread tension sensor 34 can then be used to set a pressure medium change on the texturing motor 33 via the texturing control device 44.
  • the embodiments of the control device according to the invention for a fiber production machine shown in FIGS. 1 and 3 are exemplary.
  • the sensor process relevant for process control can be included in a recognition cycle.
  • the detection signal is sent when activating the sensors for a short period of time.
  • a time span of 20 seconds is sufficient to match all sensors involved in the process with the stored control software.
  • the adjustment can be performed in max. For 30 seconds.
  • control unit gives the associated sensor an enable signal. Only after receiving the enable signal within the sensor, the detection ssignal is generated and passed to the control unit. Thus, individual adjustments can be made after, for example, a process interruption and a replacement of one of the sensors.

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

L'invention concerne un procédé de commande d'une machine de production de fibres ainsi qu'un système de commande servant à mettre en œuvre ce procédé. Les machines de production de fibres de ce type comportent plusieurs groupes de traitement, équipés de plusieurs actionneurs et de plusieurs capteurs, qui sont couplés à au moins un module de commande afin d'échanger des informations. Selon l'invention, pour pouvoir effectuer un alignement du capteur installé avec le logiciel de commande chargé dans le module de commande, le capteur génère lors de son activation un signal d'identification qu'il envoie au module de commande. Pour cela, le capteur comporte un microcontrôleur qui génère le signal d'identification et assure sa transmission au module de commande.
PCT/EP2013/075236 2012-12-14 2013-12-02 Procédé et système de commande d'une machine de production de fibres Ceased WO2014090617A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2015546936A JP6351613B2 (ja) 2012-12-14 2013-12-02 繊維製造機を制御する方法及び装置
DE112013005971.1T DE112013005971A5 (de) 2012-12-14 2013-12-02 Verfahren und Einrichtung zur Steuerung einer Faserproduktionsmaschine
CN201380065021.5A CN104955993B (zh) 2012-12-14 2013-12-02 用于控制纤维生产设备的方法和装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012024525.4 2012-12-14
DE102012024525 2012-12-14

Publications (1)

Publication Number Publication Date
WO2014090617A1 true WO2014090617A1 (fr) 2014-06-19

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Application Number Title Priority Date Filing Date
PCT/EP2013/075236 Ceased WO2014090617A1 (fr) 2012-12-14 2013-12-02 Procédé et système de commande d'une machine de production de fibres

Country Status (4)

Country Link
JP (1) JP6351613B2 (fr)
CN (1) CN104955993B (fr)
DE (1) DE112013005971A5 (fr)
WO (1) WO2014090617A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119243350A (zh) * 2024-12-09 2025-01-03 山东鲁科新材料有限公司 一种连续纤维纺丝甬道系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544040B (zh) * 2016-03-04 2017-10-17 福建浔兴拉链科技股份有限公司 一种尼龙拉链改进型尼龙丝牵伸机
CN110777439B (zh) * 2019-11-04 2021-04-23 无锡金通高纤股份有限公司 化纤单丝拉伸张力在线控制系统及控制方法
CN118497909A (zh) * 2024-05-10 2024-08-16 苏州贤辉新纺织科技有限公司 一种超细聚酯牵伸定型的工艺方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044733A1 (de) * 2005-09-19 2007-03-22 Maschinenfabrik Rieter Ag Steuerung für Spinnmaschinen
WO2007112873A1 (fr) * 2006-03-28 2007-10-11 Oerlikon Textile Gmbh & Co. Kg Machine de filage a detecteurs et actionneurs raccordes sans fil
DE102007032237A1 (de) 2007-07-11 2009-01-15 Rieter Ingolstadt Gmbh Textilmaschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001118639A (ja) * 1999-10-18 2001-04-27 Murata Mach Ltd コネクタの誤接続検出装置
CN101218161A (zh) * 2005-07-27 2008-07-09 乌斯特技术股份公司 具有纱线监测功能的纺织机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044733A1 (de) * 2005-09-19 2007-03-22 Maschinenfabrik Rieter Ag Steuerung für Spinnmaschinen
WO2007112873A1 (fr) * 2006-03-28 2007-10-11 Oerlikon Textile Gmbh & Co. Kg Machine de filage a detecteurs et actionneurs raccordes sans fil
DE102007032237A1 (de) 2007-07-11 2009-01-15 Rieter Ingolstadt Gmbh Textilmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119243350A (zh) * 2024-12-09 2025-01-03 山东鲁科新材料有限公司 一种连续纤维纺丝甬道系统

Also Published As

Publication number Publication date
JP2016505726A (ja) 2016-02-25
CN104955993A (zh) 2015-09-30
DE112013005971A5 (de) 2015-08-20
CN104955993B (zh) 2017-07-28
JP6351613B2 (ja) 2018-07-04

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