WO2019243125A1 - Procédé de fabrication et de post-traitement de fils synthétiques - Google Patents

Procédé de fabrication et de post-traitement de fils synthétiques Download PDF

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Publication number
WO2019243125A1
WO2019243125A1 PCT/EP2019/065302 EP2019065302W WO2019243125A1 WO 2019243125 A1 WO2019243125 A1 WO 2019243125A1 EP 2019065302 W EP2019065302 W EP 2019065302W WO 2019243125 A1 WO2019243125 A1 WO 2019243125A1
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WO
WIPO (PCT)
Prior art keywords
follow
threads
product
data
thread
Prior art date
Application number
PCT/EP2019/065302
Other languages
German (de)
English (en)
Inventor
Detlev Schulz
Jörg HUTHMACHER
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 DE112019003089.2T priority Critical patent/DE112019003089A5/de
Priority to CN201980040694.2A priority patent/CN112334402B/zh
Publication of WO2019243125A1 publication Critical patent/WO2019243125A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/063—Marking or identifying devices for packages
    • 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
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • a multiplicity of very fine filament strands are extruded from a polymer melt in a melt spinning process and brought together to form a thread, treated and finally wound into a bobbin.
  • the melt spinning process is monitored in order to record as many process and product parameters as possible, which are assigned to the thread as a measure of a yarn quality.
  • Such data are recorded as one data record per wound coil and are assigned to the coil directly or by coding.
  • the coils are marked accordingly before packing, so that identification and data assignment is guaranteed in a subsequent process.
  • the data record that writes the history of the thread of the bobbin can be used directly for the further processing or further treatment of the thread in the subsequent process.
  • the subsequent product parameters and subsequent process parameters determined by monitoring during the subsequent process are then added to the data record at the end of the subsequent process and assigned to the subsequent product as an end data record. This means that all data relevant to the creation of the follow-up product is included in the end data record, starting with the raw material.
  • melt spinning process and the subsequent process are monitored and controlled independently of one another in such a way that the required qualities of the thread and the subsequent product are achieved in each case.
  • malfunctions occur in the subsequent process, which may be due to faulty process parameters or product parameters of the melt spinning process.
  • This object is achieved according to the invention by a method in that, in the event of an impermissible change in the follow-up product parameter and / or the follow-up process parameter, an analysis of the data set of the thread or the data sets of several threads that are involved in the follow-up product is initiated.
  • a device for carrying out the method, which achieves the object according to the invention in that the follow-up process control unit is connected to an analysis unit which, when the follow-up product parameter and / or the follow-up process parameter are changed inadmissible, is used to analyze the data record of the thread or of the data records of the threads involved in the subsequent product can be introduced.
  • the invention has the particular advantage that the quality defects occurring in the further processing of the threads in the subsequent process are not used alone to optimize the subsequent process, but for one Feedback to the melt spinning process can be used.
  • irregularities in the melt spinning process can be determined afterwards by analyzing the data sets of the threads.
  • the threads are produced in the melt spinning process via a large number of spinning positions, which produce the wound threads within predetermined manufacturing tolerances of the process parameters and product parameters.
  • the method according to the invention and the device according to the invention make it possible to use such impermissible changes in the follow-up product parameter or the follow-up process parameter for an analysis of the manufacturing data of the threads.
  • the method variant is particularly advantageous in which an immediate check of the melt spinning process is initiated taking into account a place of origin and / or a time of origin of the threads. A comparison of the threads produced in several spinning positions can thus be carried out in order to uncover possible weak points in the melt spinning process.
  • the development of the method according to the invention is particularly advantageous, in which after the analysis of the data set of the thread or the data sets of the threads, a change of at least one process parameter and / or a product parameter is generated in the melt spinning process.
  • a maintenance cycle for cleaning the spinnerets could be shortened as a process parameter.
  • a product parameter for example, the number of interlacing knots in the threads required for further processing could be equalized or increased.
  • all data records of the wound threads are stored in a data memory, so that several data records of several threads wound in a time interval can be analyzed simultaneously.
  • the threads affected by the change in the follow-up product parameter or the follow-up process parameter be taken into account in their production data, but also the threads generated in the time interval before or after at the same spinning position can be included in the analysis.
  • coding of the data set is provided, which e.g. by means of an RFID label on the spool or another machine-readable technology.
  • Each coil produced in the melt spinning process thus has a coding which corresponds directly to the relevant data record of the wound thread. In this way, the complete information of the data record can be called up at any time by the coding and, in particular, fed to the subsequent process.
  • the coding of the bobbins can advantageously be used to assign a specific position to the bobbins when packing in a transport unit and / or when loading a pull-off station. In this way, the bobbins can be identified immediately within the transport unit and later at a removal station.
  • the respective coding is assigned to the positions of the bobbins, so that when the transport unit is unloaded or when the threads are pulled off each spool can be identified by the respective position from the pull-off station.
  • the coding is transmitted digitally between the individual stations.
  • the follow-up product parameters and / or follow-up process parameters of the follow-up product measured during the monitoring of the follow-up process can be linked directly to the record of the thread or the records of the threads to form an end record. This means that the entire product history is available to the subsequent product.
  • the end data record of the follow-up product could, for example, be saved by an RFID chip and directly assigned to the follow-up product.
  • the subsequent product it is also possible for the subsequent product to be assigned a coding which is linked to the end data record.
  • the device for carrying out the process for the production and further processing of synthetic threads thus forms a direct link between the subsequent process and the upstream melt spinning process.
  • the analysis unit is connected to the process control unit of the melt spinning process according to an advantageous further development of the device for the transmission of control commands. So checks of the melt spinning process as well as direct changes to process parameters and product parameters.
  • the analysis unit is connected to a virtual data memory which contains the coded data sets of the threads wound per bobbin. This means that extensive analyzes can be carried out to reveal possible deviations in the melt spinning process.
  • Fig. 1 shows schematically a material flow of a melt spinning process and a follow-up process for producing a textured thread as a follow-up product
  • FIG. 2 schematically shows a further exemplary embodiment of a material flow of a melt spinning process and of a subsequent process for producing a knitted fabric as a subsequent product
  • FIG. 1 schematically shows a material flow for the manufacture of a follow-up product using the example of a textured thread.
  • the facilities for executing the individual process steps are shown as symbols.
  • the melt spinning process 1 is controlled and monitored by a process control unit 3.
  • the process control unit 3 is connected to several control modules 4.1 to 4.5 via a network.
  • the control modules 4.1 to 4.5 are assigned to the devices for executing individual process steps of the melt spinning process and monitor and control the respective process step.
  • Fig. 1 only the essential process steps for the production of synthetic threads are shown symbolically.
  • the extrusion device 5 is assigned to the control module 4.1.
  • the threads are drawn out of the extrusion device 5, drawn and treated and wound up into a bobbin at the end.
  • the process is monitored by a monitoring device 6.
  • the monitoring device 6 can be used to record and monitor both process parameters and product parameters.
  • the control module 4.2 is assigned to the monitoring device 6.
  • the winding of the threads at the end of the manufacturing process is carried out via a take-up device 7, which is controlled and monitored by the control module 4.3.
  • each of the bobbins receives a code that is linked to a data record.
  • the data record assigned to the bobbin contains all information about process parameters and product parameters relating to the wound thread of the bobbin. For example, a Doff time, a layer identification, an age of the nozzle packs, a running time of the spinning position after a last spinneret cleaning, a running time after last godet cleaning, a running time after last stretching field and last winding head cleaning etc. can be used as process parameters. contain. Data such as spinning temperature, spinning speed, godet temperature, winding speed and data on polymerization etc. can also be included.
  • the product parameters ter such as thread tension, elongation, titer, number of filaments, material etc. assigned to the data set.
  • This data record assigned to the coded bobbin is stored and can be assigned to the thread wound on the bobbin at any time by coding the bobbin.
  • the coil is coded by the coding station 8, which is connected to the control module 4.4.
  • the wound coil After the wound coil has been coded, it is fed into a packaging station 9 and packaged there in a transport unit.
  • the control module 4.5 is assigned to the packaging station.
  • the coding of the coil can be used to arrange the coils in specific positions and sequences in the transport unit. Each position thus continues coding the coil and can be identified in a subsequent process. Now the transport unit can be fed to the follow-up process.
  • the process control unit 3 is connected to a data memory 18 for storing the data sets of the coils.
  • the data memory 18 is formed by a virtual memory space, the process control unit 3 being wirelessly connected to the data memory 18.
  • the process control unit 3 has a transmitter 19 and the data memory 18 has a receiver 20.
  • a follow-up process 2 is provided for further processing.
  • the follow-up process 2 is controlled by a follow-up process control unit 10.
  • the subsequent process control unit 10 is connected via a network to a number of control modules 11.1 to 11.4 in order to control the devices of the subsequent process.
  • the synthetic thread is textured by an individual treatment in the subsequent process, so that at the end of the subsequent process there is a textured thread on an end spool.
  • the follow-up process 2 has a pull-off station 12. By coding of the bobbins, each position in the pull-off station 12 can be identified and is occupied by a predetermined bobbin.
  • the subsequent process control unit 10 is connected to the data memory 18.
  • the data memory 18 has a transmitter 19 and the subsequent process control unit 10 has a receiver 20.
  • the respective data records can be downloaded via the coding of the coils and taken into account in further processing in the subsequent process 2.
  • the automated assembly of the pull-off station 12 is controlled by the control module 11.1.
  • the threads are drawn off from the pulling station 12 and fed to a texturing machine 14. Monitoring is carried out here by a monitoring device 13. Control module 11.2 is assigned to monitoring device 13 and control module 11.3 is assigned to texturing machine 14. At the end of the texturing process, an end coil is wound, which represents the subsequent product 15.
  • the monitoring device 13 in the follow-up process 2 monitors the follow-up process parameters that are set for texturing the thread and the follow-up product parameters such as a thread tension.
  • such textures have a multiplicity of processing points, so that a multiplicity of threads are textured in parallel and processed into a subsequent product.
  • the clearing, marking and packaging of the subsequent product 15 is controlled by the control module 11.4.
  • the process control unit 3 is equipped with a Coupled analysis unit 17, in which if a processing point is noticeable, a data record of the thread being presented or if there are irregularities in a number of processing points, several data records of a number of threads being presented are analyzed. In this case, preferably several data records of the threads wound within a time interval are used for comparison.
  • the place of manufacture of the wound coil and the doff time of the wound coil are taken into account in particular.
  • a conspicuously frequent thread break in one of the processing points of the texturing machine could be determined as a subsequent product parameter.
  • the subsequent analysis of the data set of the thread produced in the melt spinning process it could be determined that during the intermingling of the threads to produce a thread closure, excessively strong interweaving knots were produced, which have a negative effect in the texturing process.
  • a change in the process parameters in the lowering of the air pressure in the turbulence could be carried out. By lowering the air pressure, the production of excessively strong knots is avoided.
  • the inadmissible deviations from follow-up process and follow-up product parameters that occur in the follow-up process can be used advantageously to reveal possible weaknesses in the melt spinning process.
  • the analysis unit 17 has a wireless connection to the process control unit 3 as a melt spinning process 1.
  • the process control unit 3 has a receiver 20 which communicates with the transmitter 19 of the analysis unit 17.
  • the process control unit 3 and the subsequent process control unit 10 are also connected to one another wirelessly.
  • the transmitter 19 of the process control unit 3 thus communicates with the receiver 20 of the subsequent process control unit 10.
  • the follow-up process parameters and follow-up product parameters determined during the follow-up process 2 can advantageously be linked to the data set or the data sets of the threads presented and in this case assigned to the end product as the end data set to the follow-up product 15.
  • further coding is advantageous at the end of the follow-up process in order to link the end coil to an end data set.
  • the method according to the invention is also particularly advantageous in follow-up processes in which a plurality of threads are used in parallel to produce a follow-up product, for example a knitwear.
  • a further exemplary embodiment of the device according to the invention for carrying out the method according to the invention is shown schematically in FIG. 2.
  • the exemplary embodiment shown in FIG. 2 is essentially identical to the aforementioned exemplary embodiment according to FIG. 1, so that only the differences are explained at this point in order to avoid repetitions.
  • the melt spinning process shown in FIG. 2 is identical to the exemplary embodiment according to FIG. 1.
  • the subsequent process 2 below has a knitting machine 14 which is controlled by the control module 11.3.
  • a large number of threads are drawn off from the bobbins held at the drawing-off station 12.
  • the knitting process is continuously monitored by a monitoring device 13. For example, each thread is monitored using a thread break monitor.
  • Control module 11.1 is assigned to pull-off station 12 and control module 11.2 to monitoring device 13.
  • a follow-up product 15 is produced in the form of a knitwear.
  • code quantities and packaging of the subsequent product 15 are carried out, for which purpose a control module 11.4 is provided.
  • the facilities for Coding and for packaging the subsequent product 15 are not shown in more detail here.
  • the entire follow-up process is controlled via the follow-up process control unit 10, which is connected to the control modules 11.1 to 11.4 via a network.
  • the follow-up process control unit 10 is coupled to the process control unit 3, as in the aforementioned exemplary embodiment, so that the production data of the coded coils can be fed to the follow-up process control unit 10 either directly via the process control unit 3 or alternatively via the data memory 18.
  • the follow-up process control unit 10 is assigned an analysis unit 17 in order to be able to carry out a corresponding analysis of the data records of the threads involved in the respective follow-on product 15 in the event of impermissible deviations from one or more follow-up process parameters and / or one or more follow-up product parameters.
  • an unusually high number of broken threads could be determined when processing the threads.
  • This inadmissible deviation of the follow-up process parameter could, when analyzing the data sets of the threads, lead to the fact that a majority of the bobbins that contained the defective thread could each be assigned to the same manufacturing location and thus to a specific spinneret within the melt spinning process. An inadmissible execution of the scraping cycle on the spinneret was determined, so that an operator in the melt spinning process was instructed to carry out the process of scraping a spinneret more carefully.
  • the method according to the invention is therefore particularly advantageous for a production chain in which a large number of coils are simultaneously further processed in the subsequent process.
  • a large number of bobbins are used in one warping and one following Warp knitting to produce a knitted fabric as a secondary product
  • Increased machine stops were found in the knitting mill, the increased stop threads all having their original origins in one of the five spinning positions of the pre-arranged melt spinning process.
  • Kl systems are preferably used to analyze the data sets in order to link the large number of data and the large number of possible causes.
  • the analysis unit in a virtual space independently of the subsequent process. Wireless communication enables faster and more secure implementation in the ongoing process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • General Factory Administration (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

L'invention concerne un procédé de fabrication et de post-traitement de fils synthétiques ainsi qu'un dispositif pour mettre en œuvre le procédé. Les fils sont produits au cours d'un processus de filage par fusion (1) et enroulés sous forme de bobines, un ensemble de données comprenant des données de processus et de produit du fil enroulé étant associé à chaque bobine. Les ensembles de données des bobines alimentent un processus de suivi (2) afin de produire un produit de suivi au cours du processus de suivi. Dans le processus de suivi (2), d'autres paramètres de produit de suivi et/ou paramètres de processus de suivi du produit de suivi sont contrôlés. Selon l'invention, pour permettre de faire des déductions relatives au processus de filage par fusion lors de modifications inacceptables du paramètre de produit de suivi et/ou du paramètre de processus de suivi, une analyse de l'ensemble de données du fil ou des ensembles de données de plusieurs fils, qui font partie du produit de suivi, est effectuée. Par ailleurs, une unité d'analyse (17) est reliée à l'unité de commande de processus de suivi (10).
PCT/EP2019/065302 2018-06-19 2019-06-12 Procédé de fabrication et de post-traitement de fils synthétiques WO2019243125A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112019003089.2T DE112019003089A5 (de) 2018-06-19 2019-06-12 Verfahren zur herstellung und weiterverarbeitung von synthetischen fäden
CN201980040694.2A CN112334402B (zh) 2018-06-19 2019-06-12 用于合成纱线的生产和进一步加工的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018004911 2018-06-19
DE102018004911.7 2018-06-19

Publications (1)

Publication Number Publication Date
WO2019243125A1 true WO2019243125A1 (fr) 2019-12-26

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CN (1) CN112334402B (fr)
DE (1) DE112019003089A5 (fr)
WO (1) WO2019243125A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114427120B (zh) * 2022-01-27 2023-01-06 青岛中科凯尔科技有限公司 一种静电纺丝溶液涂覆的监测系统及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712654A1 (de) * 1987-04-14 1988-10-27 Schlafhorst & Co W Verfahren zum ueberwachen der qualitaet von produktionsstellen, garnen und spulen an einem maschinenverbund aus wenigstens einer ringspinnmaschine und wenigstens einem spulautomaten
DE4113384A1 (de) * 1990-04-24 1991-11-07 Murata Machinery Ltd Anlage zur qualitaetsueberwachung in einer spinnerei
EP2388222A2 (fr) * 2010-05-21 2011-11-23 Oerlikon Textile GmbH & Co. KG Procédé de fabrication de cannettes de filature
WO2016120187A1 (fr) 2015-01-29 2016-08-04 Oerlikon Textile Gmbh & Co. Kg Procédé et dispositif de fabrication d'un fil texturé
DE102016007779A1 (de) * 2016-06-24 2017-12-28 Saurer Germany Gmbh & Co. Kg Verfahren zum Überwachen des ordnungsgemäßen Arbeitens der Spinnstellen einer Ringspinnmaschine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103569788A (zh) * 2012-07-24 2014-02-12 欧瑞康纺织技术(北京)有限公司 用于监控纺纱车间的方法和设备
TR201904577T4 (tr) * 2013-06-10 2019-04-22 Rieter Ag Maschf Bir tekstil makinesinin sarma işlemini iyileştirmek için yöntem ve sarma istasyonu.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712654A1 (de) * 1987-04-14 1988-10-27 Schlafhorst & Co W Verfahren zum ueberwachen der qualitaet von produktionsstellen, garnen und spulen an einem maschinenverbund aus wenigstens einer ringspinnmaschine und wenigstens einem spulautomaten
DE4113384A1 (de) * 1990-04-24 1991-11-07 Murata Machinery Ltd Anlage zur qualitaetsueberwachung in einer spinnerei
EP2388222A2 (fr) * 2010-05-21 2011-11-23 Oerlikon Textile GmbH & Co. KG Procédé de fabrication de cannettes de filature
WO2016120187A1 (fr) 2015-01-29 2016-08-04 Oerlikon Textile Gmbh & Co. Kg Procédé et dispositif de fabrication d'un fil texturé
DE102016007779A1 (de) * 2016-06-24 2017-12-28 Saurer Germany Gmbh & Co. Kg Verfahren zum Überwachen des ordnungsgemäßen Arbeitens der Spinnstellen einer Ringspinnmaschine

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CN112334402B (zh) 2023-05-16
DE112019003089A5 (de) 2021-03-04
CN112334402A (zh) 2021-02-05

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