EP4170076A1 - Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage - Google Patents

Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage Download PDF

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Publication number
EP4170076A1
EP4170076A1 EP21204177.6A EP21204177A EP4170076A1 EP 4170076 A1 EP4170076 A1 EP 4170076A1 EP 21204177 A EP21204177 A EP 21204177A EP 4170076 A1 EP4170076 A1 EP 4170076A1
Authority
EP
European Patent Office
Prior art keywords
spinning
winding
yarn
parameters
machines
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.)
Withdrawn
Application number
EP21204177.6A
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German (de)
English (en)
Inventor
Adalbert Stephan
Gerard Küsters
Nitin T PATIL
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to EP21204177.6A priority Critical patent/EP4170076A1/fr
Priority to PCT/EP2022/072711 priority patent/WO2023066544A1/fr
Publication of EP4170076A1 publication Critical patent/EP4170076A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present disclosure relates to an electronic device for adjusting operational parameters of a winding machine of a spinning mill and to a method for adjusting the same.
  • the present disclosure relates to an electronic device for adjusting one or more operational parameters of a winding machine of a spinning and winding section of a spinning mill and to a method for adjusting one or more operational parameters of a winding machine of a spinning and winding section of a spinning mill.
  • Spinning mills include various sections comprising different types of textile machines for converting natural and man-made fibers and their blends into yarns.
  • Spinning mills are designed to produce yarns in a form enabling a proper yarn performance in subsequent manufacturing steps. For this purpose, it is required that the yarn matches predefined quality parameters, and that the yarn is produced in a configuration which is adapted for subsequent manufacturing steps.
  • Quality parameters of yarns may relate to mass, thickness, number of filaments, etc.
  • Configurations of yarns produced by the spinning mill may relate to yarn bobbins, on which a large amount of yarn is wound up for efficient transportation and use.
  • a spinning and winding section of a spinning mill may include one or more spinning machines and one or more winding machines.
  • a spinning machine includes a plurality of spinning positions. At the spinning positions, roving bobbins are received from upstream textile machines. At the spinning positions, roving is unwound from the roving bobbins, stretched, twisted (spun) and wound as spun yarn onto a cop. During the production of the cops, spinning parameters may be monitored.
  • the winding machines are arranged downstream from the spinning machines and receive the cops produced by the spinning machines.
  • a winding machine typically includes a plurality of winding positions. At the winding positions, cops which were produced by upstream spinning machines are rewound one after the other onto a yarn bobbin with rewound yarn.
  • One purpose of rewinding is to produce large yarn bobbins that can be transported and used efficiently. During the rewinding, properties of the yarn can be monitored and compared with predefined quality criteria. If a quality criterion is not met, the defective part of the yarn can be removed. Socalled yarn clearing systems are known for this purpose, see e.g., WO2012051730 , which enable respective clearing operations.
  • the yarn bobbins are produced by the winding machines in a configuration which is adapted for subsequent manufacturing steps.
  • WO2019227241 discloses a method to operate a spinning system which contains a ring spinning machine having a plurality of spinning positions and a winding machine having a plurality of winding positions. Yarn is spun at one of the spinning positions and wound up to a cop. Values of a spinning parameter are determined at different times during the winding of the cop and stored as spinning data. At the winding position, the yarn is rewound from the cop onto a yarn bobbin. Values of a yarn parameter are determined at different times during the rewinding of the cop and stored as yarn data. The spinning data and the yarn data are automatically assigned to each other in such a way that they relate to the same yarn section. Based on the spinning data and yarn data assigned to each other, an intervention is made on the ring spinning machine.
  • EP3549892A1 discloses an automatic winder which includes a yarn winding unit including a yarn feeder configured to supply yarn and a winding apparatus configured to wind the yarn supplied from the yarn feeder and to form a package, and a receiving unit configured to receive a setting of target quality of the yarn to be wound by the winding apparatus.
  • An aspect of the invention relates to an electronic device for adjusting one or more operational parameters of a winding machine of a spinning and winding section of a spinning mill.
  • the spinning and winding section includes one or more spinning machines and one or more winding machines.
  • the one or more spinning machines are configured to produce cops with wound yarn.
  • the one or more winding machines are configured to receive cops with wound yarn produced by the one or more spinning machines to produce yarn bobbins with rewound yarn.
  • the electronic device is configured: to determine a quality measure of one or more of the produced cops based on winding parameters of the one or more winding machines and based on spinning parameters of the one or more spinning machines; to determine adjustment information related to the quality measure of the one or more of the produced cops; and to adjust one or more operational parameters of at least one of the winding machines based on the adjustment information.
  • winding parameters and spinning parameters enables determining a quality measure of produced cops.
  • winding parameters can relate to a hairiness of a cop received at a winding position and spinning parameters can relate to a cop identifier enabling determining a spinning position at which the cop has been produced.
  • determining adjustment information can relate to determining spinning positions of cops currently received at winding positions, thereby enabling estimating a respective quality measure, such as a hairiness.
  • operational parameters of winding units can be adjusted in accordance with the estimated quality measure of cops received in the winding units.
  • adjustment information includes customer information.
  • Production of yarn bobbins with rewound yarn can further be adapted to customer information.
  • a quality measure deviating from a predefined quality measure such as a hairiness deviating from a predefined hairiness, a predefined production rate, a quality level, an energy consumption, etc. can be adapted according to customer information.
  • adjustment information includes one or more of the spinning parameters and the winding parameters. For example, spinning parameters of a cop received at a winding position, and respective winding parameters, for example in order determine whether winding parameters match spinning parameters.
  • the electronic device is further configured to repeat adjusting at least one of the one or more operational parameters as long as at least some adjustment information remains within predefined limits. For example, a winding speed can be increased as long as a number of winding errors remains below a predefined threshold.
  • the quality measure enables determining a functional disorder at a spinning machine. For example, a number of cut out operations exceeding a predefined threshold can indicate a functional disorder at a spinning unit of a spinning machine.
  • one or more spinning parameters relate to performance parameters of the one or more spinning machines, selected from a group comprising a remaining time until the next doffing operation, a total number of cops delivered by at least one spinning machine during the next doffing operation, an expected total number of yarn breaks of all cops delivered by at least one spinning machine during the next doffing, and an information regarding an actual or scheduled downtime of at least one spinning position of at least one spinning machine.
  • adjustment information can include spinning parameters.
  • winding parameters can be adjusted according to e.g. the number of cops delivered during the next doffing operation.
  • one or more spinning parameters relate to cop parameters, selected from a group comprising a cop identifier, a yarn thickness, a yarn imperfection index, a yarn hairiness, a yarn length on a cop, a number of yarn breaks on a cop, a position of at least one yarn break on a cop, an indication for the probability of a quality problem of yarn on a cop, an indication for the probability of a quantity problem of yarn on a cop, a number of yarn breaks per unit of time, a number of yarn breaks per unit of yarn length, a variation coefficient of yarn mass, a variation index of yarn diameter, a number of thick places per unit of length, a number of thin places per unit of length, a number of periodic yarn faults per unit of length, a number of yarn count variants per unit of length, a number of foreign materials per unit of length.
  • adjustment information can include spinning parameters.
  • winding parameters can be adjusted according to e.g. a number of yarn breaks per unit of yarn length.
  • one or more spinning parameters relate to operational parameters of the one or more spinning machines, selected from a group comprising a a spindle speed, a drafting rate, a mode of movement of a ring bench and/or of a spindle bench, a rotation speed of a spinning pot, a rotation speed of a driven spinning ring, a rotation speed of a controlled rotating spinning ring, a ring traveler speed, an information on whether a yarn compaction module has been applied, a type of a ring traveler, an accumulated service life of a ring traveler, a remaining service life of a ring traveler, a condition score of a ring traveler, an air temperature during production of a cop, and an air humidity during production of a cop.
  • adjustment information can include spinning parameters.
  • winding parameters can be adjusted according to e.g. whether a yarn compaction module has been applied.
  • one or more winding parameters relate to performance parameters of the one or more winding machines, selected from a group comprising a consumption of energy, a number of produced yarn bobbins per unit of time, a number of yarn end searches in a cop preparation station, a number of winding errors of at least one winding station, and a pressure distribution and/or a flow rate of a vacuum system.
  • adjustment information can include winding parameters.
  • winding parameters can be adjusted to e.g. a consumption of energy.
  • one or more winding parameters relate to yarn bobbin parameters, selected from a group comprising a yarn tension, a number of clearing operations, a yarn imperfection index, and a hairiness.
  • adjustment information can include winding parameters.
  • winding parameters can be adjusted to e.g. a yarn tension.
  • one or more operational parameters relate to one or more of a winding speed, a number of active winding positions, a number of active cops preparation stations, a power of a vacuum system, a valve position of a vacuum system, and a speed of a conveyor system for cops and/or for yarn bobbins. Operation of winding machines can be varied according to various aspects.
  • the electronic device is further configured to determine a spinning position of a cop received at a winding position of a winding machine and to adjust at least one of the one or more operational parameters depending on the spinning position. For example, for cops produced at spinning position with recent maintenance, different operational parameters can be used than for spinning positions with obsolete maintenance.
  • the one or more operational parameters depend on one or more winding positions of the winding machines. For example, different operational parameters can be used for winding positions with recent or obsolete maintenance.
  • the electronic device is further configured to determine at least one of the spinning parameters and the winding parameters by accessing at least one of a controller of a spinning machine and a controller of a winding machine and a central database of a mill management system.
  • Spinning parameters and/or winding parameters can related to real time data, to trend data, etc.
  • adjusting the one or more operational parameters is based on one or more of a neural network algorithm and a fuzzy logic algorithm.
  • Powerful tools can be used for adjusting operational parameters of winding machines.
  • the invention also relates to a computer system for putting into practice an electronic device as described above.
  • the computer system comprises one or more computers, the one or more computers preferably comprising a graphical user interface.
  • the invention can be put into practice in the form of distributed devices.
  • the invention also relates to a method for adjusting one or more operational parameters of a winding machine of a spinning and winding section of a spinning mill.
  • the spinning and winding section includes one or more spinning machines and one or more winding machines.
  • the one or more spinning machines are configured to produce cops with wound yarn.
  • the one or more winding machines are configured to receive cops with wound yarn produced by the one or more spinning machines to produce yarn bobbins with rewound yarn.
  • the method includes the steps executed by an electronic device or a computer system of: determining a quality measure of one or more of the produced cops based on winding parameters of the one or more winding machines and based on spinning parameters of the one or more spinning machines; determining adjustment information related to the quality measure of the one or more of the produced cops; and adjusting one or more operational parameters of at least one of the winding machines based on the adjustment information.
  • adjustment information includes customer information.
  • adjustment information includes one or more of the spinning parameters and the winding parameters.
  • the method further includes the step of repeating adjusting at least one of the one or more operational parameters as long as at least some adjustment information remains within predefined limits.
  • Fig. 1 illustrates schematically an electronic device 10 for adjusting one or more operational parameters of a winding machine 7 of an exemplary spinning and winding section 1 of a spinning mill having arranged a spinning machine 5 and the winding machine 7.
  • the spinning and winding section 1 includes a plurality of spinning machines and a plurality of winding machines (not illustrated in Fig. 1 ).
  • the spinning machine 5 is arranged upstream from the winding machine 7.
  • the winding machine 7 is arranged downstream from the spinning machine 5.
  • a plurality of spinning machines and a plurality of winding machines are arranged respectively.
  • the spinning machine 5 may relate to a ring spinning machine.
  • the spinning machine 5 can also relate to another type of spinning machine producing yarn sections with a relatively limited length, which are then to be rewound by a winding machine to form bobbins comprising yarn of sufficient length.
  • the spinning machine 5 may also be a pot spinning machine.
  • the spinning machine 5 receives roving 4, which was produced by an upstream roving machine 3 (typically, a plurality of roving machines is arranged), and produces relatively small yarn supply bobbins having spun yarn wound on a tube, also known as cops 6.
  • the spinning machine 5 produces a plurality of cops 6.
  • the spinning machine 5 includes a plurality of spinning positions 51, 52, 53. At each spinning position 51, 52, 53, roving 41, 42, 43 is received. For example, roving 41, 42, 43 may be arranged on bobbins or another type of carrier, such as containers, of specific dimensions.
  • Each spinning position 51, 52, 53 includes a spinning unit 511, 521, 531.
  • Each spinning unit 511, 521, 531 can include a drafting device and a twisting device, wherein the drafting device is configured to draft the roving and the twisting device is configured to spin the drafted roving into spun yarn and to wind the spun yarn to produce a cop.
  • the drafting device is configured to draft the roving
  • the twisting device is configured to spin the drafted roving into spun yarn and to wind the spun yarn to produce a cop.
  • cops 61, 62, 63 are produced which each have wound up a specific amount of spun yarn.
  • the cops 61, 62, 63 are doffed from the spinning positions 51, 52, 53 for subsequent processing.
  • the winding machine 7 receives cops 6, which were produced by the upstream spinning machine 5 (typically, a plurality of upstream spinning machines is arranged), and produces yarn bobbins 8 with rewound yarn, also known as packages.
  • Various types of carriers are known in the prior art for providing yarn bobbins 8 with rewound yarn.
  • Yarn bobbins 8 can relate to flanged bobbins, cross-wound bobbins, etc.
  • the winding machine 7 includes a plurality of winding positions 71, 72. At each winding position 71, 72, cops 61, 65, 63, 68 are received. Each winding position includes a winding unit 711, 721.
  • Each winding unit 711, 721 may include a winding device, a tension applying device, a yarn monitoring device, an upper yarn catching device, a lower yarn catching device, a splicing device, a clearing system for removing yarn not matching a predefined quality criterion, etc.
  • a winding position 71, 72 one or more cops 61, 65, 63, 69 can be received.
  • two cops 61, 65, 63, 68 are received at each winding position 71, 72.
  • more or less cops can be received at winding positions of a winding machine.
  • each winding position 71, 72 yarn is unwound from cops 61, 65, 63, 68 and rewound on yarn bobbins 81, 82.
  • each winding position 71, 72 is configured to produce yarn bobbins 81, 82 with rewound yarn from cops 61, 65, 63, 69 received at the winding positions 71, 72.
  • the yarn bobbins 8 are unloaded from the winding positions 71, 72 for subsequent manufacturing steps.
  • the number of spinning positions 51, 52, 53 of a spinning machine 5 and the number of winding positions 71, 72 of a winding machine 7 are large and strongly exceed the small number of positions schematically illustrated in Fig. 1 .
  • the spinning machine 5 includes a spinning controller 50 for controlling operation of the spinning machine 5.
  • the spinning controller 50 is connected via signal line 5s with control units 510, 520, 530 of the spinning units 511, 521, 531 arranged at the spinning positions 51, 52, 53.
  • the control units 510, 520, 530 receive from the spinning controller 50 control signals via the signal line 5s for controlling operation of the spinning units 511, 521, 531 for producing cops 61, 62, 63 of a desired specification from roving 41, 42, 43.
  • the desired specification of the cops 61, 62, 63 may relate to a quality of yarn, a quantity of yarn, a number of produced cops 61, 62, 63 per unit of time, etc.
  • Control signals enable adjusting operational parameters of the spinning units 511, 512, 513, such as a spindle speed, a drafting rate, a mode of movement of a ring bench and/or of a spindle bench, a rotation speed of a spinning pot, a rotation speed of a driven spinning ring, a rotation speed of a controlled rotating spinning ring, a ring traveler speed, an information on whether a yarn compaction module has been applied, a type of a ring traveler, an accumulated service life of a ring traveler, a remaining service life of a ring traveler, a condition score of a ring traveler, etc. Control signals can also be used to control an auxiliary module of a spinning machine.
  • an auxiliary module may be a spindle monitor of a spinning machine or a service robot of a spinning machine.
  • a service robot can be instructed to drive to a specific spinning position and carry out a more detailed analysis of the spinning position and/or carry out certain maintenance actions (e.g. replace a ring traveler or clean the rollers of a drafting system, etc.).
  • the control units 510, 520, 530 transmit monitor signals to the spinning controller 50 via the signal line 5s.
  • Monitor signals may relate to the spinning units 511, 521, 531 (e.g. signals related to spindle speed, ring traveler speed, drafting rate, etc.), to the roving 41, 42, 43 (e.g. signals related to the presence and/or amount of roving at a specific spinning position (e.g. spindle position of a ring spinning machine, identifier of a roving carrier, etc.), to the yarn spun in the spinning units 511, 521, 531 (e.g. signals related to yarn imperfection index, hairiness, etc.), to the cops 61, 62, 63 (e.g.
  • Monitor signals may be based on or derived from signals generated by respective sensors. Monitor signals may relate to a cop identifier (cf. further description below), an imperfection index, a hairiness, a spinning position, a doffing time (time remaining until next doffing), a spindle speed, a number of yarn breaks per unit of time, a ring traveler speed, a rotation speed of a spinning pot, a rotation speed of a driven spinning ring, a rotation speed of a controlled rotating spinning ring, a number of yarn breaks per unit of time, a number of yarn breaks per unit of yarn length, an air temperature, an air humidity, etc.
  • the winding machine 7 includes a winding controller 70 for controlling operation of the winding machine 7.
  • the winding controller 70 is connected via signal line 7s with control units 710, 720 of the winding units 711, 721 arranged at the winding positions 71, 72.
  • the control units 710, 720 receive from the winding controller 70 control signals via the signal line 7s for controlling operation of the winding units 711, 721 for producing yarn bobbins 81, 82 of a desired specification from cops 61, 65, 63, 68.
  • the desired specification of the yarn bobbins 81, 82 may relate to a quantity of yarn per yarn bobbin 81, 82, a number of produced yarn bobbins 81, 82 per unit of time, an amount of energy required for producing a yarn bobbin 81, 82, etc.
  • Control signals enable adjusting operational parameters of the winding units 711, 721, 731, such as a winding speed, a number of active winding positions, a power of a vacuum system, a number of active cops (bobbin) preparation stations, etc.
  • the control units 710, 720 transmit monitor signals to the winding controller 70 via the signal line 7s.
  • Monitor signals may relate to the winding units 711, 721, to the cops 61, 65, 63, 68, to the yarn unwound from the cops 61, 65, 63, 68 and wound onto the yarn bobbins 81, 82, to the yarn bobbins 81, 82, etc.
  • Monitor signals may be based or derived from signals generated by respective sensors, in particular of a yarn clearer or of multiple yarn clearers (e.g. different types of yarn clearers).
  • Monitor signals may relate to cop identifiers of cops received in the winding units (cf. further description below), a yarn tension, a number of clearing operations performed by a clearing system, a consumption of energy, a number of produced yarn bobbins per unit of time, etc.
  • Monitor signals provided by or derived from one yarn clearer or multiple yarn clearers may relate to yarn count, thick places, thin places, twist level, yarn strength, yarn elongation properties, tenacity, twist and count, yarn hairiness, yarn imperfection index, yarn color and others.
  • a cop 6 can include an identifier unit, such as an RFID tag (RFID: Radio Frequency Identifier), a barcode, etc., having stored a cop identifier in the form of a unique identification number, for example.
  • RFID Radio Frequency Identifier
  • reader units such as an RFID reader, a barcode reader, etc., can be arranged for determining cop identifiers of cops 6 arranged at the spinning positions 51, 52, 53 respectively at the winding positions 71, 72 by reading the unique identification number from the identifier unit attached to the respective cop 6.
  • the spinning machine 5 produces cops with reference numerals 61, 62, 63, while the winding machine 7 has received cops having different reference numerals 61, 65, 63, 68.
  • the difference in the reference numerals illustrates that the cops received in the winding machine may relate to cops which were produced at various spinning positions of various upstream spinning machines.
  • the spinning position 51, 52 can be recorded in an electronic device 10 as described below, and for cops 61, 65, 63, 68 received in winding units 71, 72 the spinning position of these cops 61, 65, 63, 68 can be determined on the basis of recorded data.
  • an electronic device 10 is arranged.
  • the electronic device 10 is connected via signal line 1s to the spinning controller 50 of the spinning machine 5 and to the winding controller 70 of the winding machine 7.
  • the electronic device 10 is connected to a plurality of spinning machines and to a plurality of winding machines.
  • the electronic device 10 may be connected via signal line 1s to further upstream machines, such as the roving machine 3.
  • the electronic device 10, the spinning controller 50, the winding controller 70, the signal lines 1s, 5s, 7s, etc. may relate to computerized devices and computerized networks.
  • the computerized networks may relate to wired computer networks, wireless computer networks, etc.
  • the computerized networks enable transmission of control signals, monitor signals, etc. between respective devices, controllers, units, etc.
  • the computerized devices may relate to microcontrollers, computers, etc.
  • the computerized devices may include one or more processors and program instructions stored in a memory, which program instructions, when executed by the one or more processors, provide the functions as described in the present disclosure.
  • the devices, controllers, units, etc. may include user interfaces such as graphical user interfaces (GUI) for enabling displaying status information to an operator, for enabling receiving commands from an operator, etc.
  • GUI graphical user interfaces
  • the electronic device 10 may relate to a control and monitoring device of a spinning mill.
  • the roving 4 respectively the cops 6 may be transported automatically, semi-automatically or manually from the roving machine 3 to the spinning machine 5 (or a plurality of spinning machines) respectively from the spinning machine 5 to the winding machine 7 (or a plurality of winding machines).
  • the yarn bobbins 8 may be transported away from the winding machine 7 automatically, semi-automatically or manually.
  • the electronic device 10 is configured to determine one or more spinning parameters related to the production of cops 6 with spun yarn (or similar type of package comprising spun yarn) by the spinning machine 5.
  • the spinning controller 50 transmits spinning parameters to the electronic device 10, for example, upon request by the electronic device 10, by accessing respective information of the control units 510, 520, 530 of the spinning units 511, 521, 531.
  • Spinning parameters sp may relate to performance parameters of the spinning machine 5, to cop parameters of produced cops 6, to operational parameters of the spinning machine 5, etc.
  • the electronic device 10 is configured to determine one or more winding parameters wp of the winding machine 7 related to the production of yarn bobbins 8 with rewound yarn from cops 6 by the winding machine 7.
  • the winding controller 70 transmits winding parameters to the electronic device 10, for example, upon request by the electronic device 10, by accessing respective information of the control units 710, 720 of the winding units 711, 721.
  • Winding parameters wp may relate to performance parameters of the winding machine 7, to yarn bobbin parameters of produced yarn bobbins 8, to operational parameters of the winding machine 7, etc.
  • the electronic device 10 is configured to determine a quality measure qm of one or more of the produced cops 6 based on winding parameters wp and based on spinning parameters sp.
  • the quality measure qm may relate to an imperfection index, to a hairiness, to a number of yarn breaks on a cop, etc.
  • winding parameters wp may be used to determine a hairiness, and on the basis of a respective cop identifier and spinning parameters, the spinning position can be determined which produced the respective cop 6.
  • cops 6 produced at that spinning position have a specific quality measure qm as regards a specific hairiness.
  • winding parameters wp may indicate an anomality regarding the number of winding errors at one or more winding position 71, 72, .... While the winding parameters may indicate proper operation of respective winding positions 71, 72, ..., the spinning parameters, e.g. cop identifiers which enable determining the spinning position, may indicate that the anomality regarding the number of winding errors is caused by cops 6 which were produced at a particular spinning position 51, 52, 53, .... Thus, the quality measure qm may relate to spinning positions producing cops 6 which effect an anomality regarding the number of winding errors when rewound at winding positions.
  • the quality measure qm can relate to a classification determined by labels such as "high quality”, “normal quality”, “low quality”, “functional disorder”, etc.
  • labels such as "high quality”, “normal quality”, “low quality”, “functional disorder”, etc.
  • winding parameters wp such as winding errors, etc.
  • spinning parameters sp such as a cop identifier, a spindle speed, etc.
  • the electronic device 10 is configured to transmit, after determining the quality measure qm, a signal related to the quality measure qm, such as a signal requesting to resolve a functional disorder, which signal is transmitted, for example, to the spinning controller 50, to a display of a mobile device of a shift worker, etc.
  • a signal related to the quality measure qm such as a signal for resolving a functional disorder
  • Response to the signal related to the quality measure qm may occur automatically, semi-automatically, or manually.
  • signals for resolving a functional disorder automatically may be transmitted to the controller 50.
  • signals for resolving a functional disorder manually may relate to signals transmitted to a display assigned to a shift worker for displaying respective information to the shift worker.
  • the electronic device 10 is configured to determine adjustment information al related to the quality measure qm of the cops 6.
  • the adjustment information al may include spinning parameters such as cops build information, such as number and position of cuts, doffing time, spindle position.
  • the adjustment information al may include winding parameters, such as number and kind of cuts per cop, number and kind of additional events like tension breaks, a yarn tension profile when unwinding, efficiency of bobbin preparation, data determined at a clearer, such as a yarn imperfection index, a hairiness, kind and position of faults in the yarn which were not cut out, etc.
  • Spinning parameters, winding parameters may relate to real time data, trend data, etc.
  • Adjustment information al may include customer information, such as a priority as regards the production throughput, quality, energy consumption, etc., limits as regards a yarn imperfection index, a hairiness, etc.
  • the electronic device 10 is configured to adjust one or more operational parameters of the winding machine 7 based on the adjustment information al.
  • the electronic device 10 determines from the adjustment information al one or more operational parameter, such as a winding speed, and transmits respective control signals to the winding controller 70.
  • the winding controller 70 adjusts respective operational parameters of the winding units 711, 721 by transmitting respective control signals to the control units 710, 720 of the winding units 711, 721.
  • adjusting a control parameter may relate to reducing a winding speed at winding positions 71, 72, ... which have received cops 6 having a particular quality measure qm.
  • the operational parameter can be adjusted as long as the adjustment information al remains within predefined limits, for example a winding speed may be increased as long as a yarn imperfection index, a hairiness, etc. remains within limits (e.g. according to customer information), or as long as additional events such as tension breaks do not increase disproportionally, or as long as a yarn tension is adapted for a higher speed, etc.
  • Fig. 2 illustrates schematically an electronic device 10 for adjusting one or more operational parameters of a winding machine 7, 7', 7", ... of an exemplary spinning and winding section of a spinning mill having arranged a plurality of spinning machines 5, 5', 5", 5"', ... and a plurality of winding machines 7, 7', 7", .... Upstream from the spinning machines 5, 5', 5", 5"', ..., a plurality of roving machines 3, 3', ... can be arranged for producing roving 4.
  • Roving 4 is received at the spinning machines 5, 5', 5", 5"', ... for producing cops 6 with wound yarn.
  • Cops 6 with wound yarn is received at the winding machines 7, 7', 7", ... for producing yarn bobbins 8.
  • the electronic device 10 is configured to determine spinning parameters sp of the one or more spinning machines 5, 5', 5", 5"', ... producing cops 6.
  • the electronic device 10 can be configured to store for each cop 6 respective spinning parameters.
  • each cop 6 can include an identifier unit having stored a cop identifier as described above and the spinning parameters can be stored together with the cop identifier.
  • the electronic device 10 can store spinning parameters after lapse of a predefined time interval, after production of a predefined amount of yarn, etc.
  • the time interval, amount of yarn, etc. may be variable. For example, during a first phase of the production of a cop 6, a different time interval, amount of yarn, etc. may be selected than during a second phase. For example, during an initial phase of the production of a cop 6, a smaller time interval may be selected than during an end phase of the production of a cop 6.
  • the electronic device 10 in accordance with the yarn wound on a cop 6, the electronic device 10 can have stored different imperfection indices, hairiness values, etc. for different sections of the yarn wound on the cop 6.
  • the electronic device 10 can have stored spinning parameters assigned to yarn and/or sections of yarn wound on the cop 6, together with the cop identifier of the cop 6.
  • the spinning parameters can include an identification of the spinning machine 5, 5', 5", 5"', ..., an identification of the spinning position 51, 52, 51', 52', ..., etc.
  • the electronic device 10 can determine spinning parameters of the cops 6 received in the winding position.
  • the electronic device 10 is configured to determine winding parameters wp of the one or more spinning machines 7, 7', 7", ... For this purpose, for example, the electronic device 10 accesses the winding controllers 70 of the winding machine 7, 7', 7", ... for receiving respective information from the control units 710, 720 of the winding positions 711, 721 of the winding machines 7, 7', 7", 7"', ....
  • the electronic device 10 is configured to determine a quality measure qm of the produced cops 6 based on winding parameters wp of the one or more winding machines 7, 7', 7", ... and based on spinning parameters sp of the one or more spinning machines 5, 5', 5", 5"', ....
  • winding parameters wp may indicate an excessive number of winding errors at particular windings positions
  • the spinning parameters may indicate that the winding errors occur when cops 6 produced at a particular spinning position of a spinning machine 5a are received in a respective winding position.
  • the quality measure qm can relate to a hairiness and a yarn imperfection index being each at uncritical levels, but in combination effect an excessive number of winding errors.
  • the electronic device 10 is configured to transmit, after determining the quality measure qm, a signal related to the quality measure qm as described above.
  • Adjustment information al may include information as described above and in particular relates to the spinning machines 5, 5', 5", 5"', ..., the winding machines 7, 7', 7", ..., etc.
  • the electronic device 10 is configured to adjust one or more operational parameters of the one or more winding machines 7, 7', 7", ... based on adjustment information.
  • adjustment information may relate to cops 6 being produced at a particular spinning position, and having a hairiness above or below a predefined level, or having assigned labels such as "high quality", "normal quality", “low quality”, “functional disorder”, as described above.
  • adjusting one or more operational parameters may relate to adjusting a winding speed. Adjusting the winding speed may relate to an increase or a decrease of the winding speed. For example, for cops 6 having a hairiness above a predefined level, the winding speed may be decreased. For example, for cops 6 having a hairiness below a predefined level, the winding speed may be increased.
  • adjusting one or more operational parameters may relate to adjusting a number of active winding positions.
  • active winding position production of yarn bobbins 8 from cops 6 is enabled.
  • inactive winding position production is disabled.
  • the number of winding positions may be decreased for enabling a reduced energy consumption.
  • the number of winding positions may be increased for enabling an increased production throughput. Reducing energy consumption, increasing production throughput may be in accordance with customer information ci.
  • adjustment information al may relate to spinning parameters of sections of yarn wound on a cop 61 having a hairiness which is above a predefined limit requiring a reduced winding speed for producing the yarn bobbin 8.
  • the hairiness may be an actual measured hairiness or an estimated hairiness - for example, depending on the operating parameters (e.g. with or without compaction module) with which the yarn was processed at a particular spinning position.
  • Adjustment information al may further relate to winding parameters of a particular winding speed at the winding position 71, 72 having received the cop 61. Accordingly, the electronic device can adjust the winding speed of the respective winding unit 711, 721 of the winding machine 7, 7', 7", ... which has received the cop 61 with yarn above a predefined hairiness.
  • adjustment information may relate to spinning parameters of particular spinning positions 52 of a particular spinning machine 5, and to winding parameters indicating the occurrence of winding failures, such as an increased number of clearings of a yarn clearing system in case a cop 6 produced at the particular spinning position 52 of the particular spinning machine 5 is received in a winding position 71, 72 of a winding machine 7, 7', 7", ....
  • the electronic device 10 can adjust the winding speed of winding positions 71, 72 of winding machines 7, 7', 7", ...
  • adjustment information may relate to spinning parameters of yarn wound on cops 6 having a thickness which is above a predefined limit, thereby enabling a wide range of possible winding speeds.
  • the cops may be arranged in a large number of active winding positions and a slower winding speed may be selected for enabling yarn bobbins 8 of a high quality, or the cops may be arranged in a small number of active winding positions and a slower winding speed may be selected for enabling reduced energy consumption.
  • the electronic device 10 may include neural network algorithms, fuzzy logic algorithms, etc. for determining the quality measure based on spinning parameters and winding parameters, for determining adjustment information al related to the the quality measure qm, and for adjusting operational parameters based on adjustment information.
  • determining the quality measure qm enables classifying each cop 6 into classes such as “high quality”, “normal quality”, etc.
  • determining adjustment information ai enables locating winding positions having received cops 6 of a particular class such as “high quality, "normal quality”, etc.
  • adjusting one or more operational parameters op of winding machines enables adapting winding units in accordance with the particular class such as "high quality", "normal quality", etc. of the cops received in the winding units.
  • winding units having received cops 6 of a "high quality”, winding units having received cops 6 of a "normal quality”, etc. can be operated using operational parameters in accordance with the classification of the received cops 6, such as a "high winding speed", a "normal winding speed”, etc.
  • Fig. 3 illustrates schematically possible method steps of a method for adjusting a winding parameter of a winding machine of a spinning and winding section of a spinning mill.
  • a quality measure qm of one or more of the produced cops 6 is determined based on winding parameters wp of one or more winding machines 7, 7', 7", ... and based on spinning parameters sp of one or more spinning machines 5, 5', 5", 5"', ....
  • adjustment information ai related to the quality measure qm of the one or more of the produced cops 6 is determined.
  • one or more operational parameters op of at least one of the winding machines 7, 7', 7", ... is adjusted based on the adjustment information ai.
EP21204177.6A 2021-10-22 2021-10-22 Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage Withdrawn EP4170076A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21204177.6A EP4170076A1 (fr) 2021-10-22 2021-10-22 Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage
PCT/EP2022/072711 WO2023066544A1 (fr) 2021-10-22 2022-08-12 Dispositif électronique pour régler des paramètres opérationnels d'une machine d'enroulement d'une filature et son procédé de réglage

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EP21204177.6A EP4170076A1 (fr) 2021-10-22 2021-10-22 Dispositif électronique permettant de régler des paramètres opérationnels d'une machine d'enroulement d'un moulin à filer à et son procédé de réglage

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046013A (en) * 1988-03-01 1991-09-03 Murata Kikai Kabushiki Kaisha Quality control system in a spinning mill
WO2012051730A1 (fr) 2010-10-19 2012-04-26 Uster Technologies Ag Purgeur de fil et procédé de purge du fil
WO2018096427A2 (fr) * 2016-11-23 2018-05-31 Maschinenfabrik Rieter Ag Procédé et dispositif de fonctionnement d'une bobineuse
EP3549893A1 (fr) * 2016-12-02 2019-10-09 Murata Machinery, Ltd. Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil
EP3549892A1 (fr) 2016-12-02 2019-10-09 Murata Machinery, Ltd. Machine de bobinage de fil
WO2019227241A1 (fr) 2018-05-28 2019-12-05 Uster Technologies Ag Installation à filer à anneaux et procédé pour son fonctionnement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4306095A1 (de) * 1992-03-04 1993-10-07 Rieter Ag Maschf Verfahren und Einrichtung zum Steuern einer vernetzten Anlage
DE102012103282A1 (de) * 2012-04-16 2013-10-17 Maschinenfabrik Rieter Ag Spulmaschine sowie Verfahren zum Betrieb einer Spulmaschine
JP2017001780A (ja) * 2015-06-05 2017-01-05 村田機械株式会社 糸巻取システム、自動ワインダ、精紡機及び糸巻取方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046013A (en) * 1988-03-01 1991-09-03 Murata Kikai Kabushiki Kaisha Quality control system in a spinning mill
WO2012051730A1 (fr) 2010-10-19 2012-04-26 Uster Technologies Ag Purgeur de fil et procédé de purge du fil
WO2018096427A2 (fr) * 2016-11-23 2018-05-31 Maschinenfabrik Rieter Ag Procédé et dispositif de fonctionnement d'une bobineuse
EP3549893A1 (fr) * 2016-12-02 2019-10-09 Murata Machinery, Ltd. Enrouleur automatique, système d'enroulement de fil et procédé d'enroulement de fil
EP3549892A1 (fr) 2016-12-02 2019-10-09 Murata Machinery, Ltd. Machine de bobinage de fil
WO2019227241A1 (fr) 2018-05-28 2019-12-05 Uster Technologies Ag Installation à filer à anneaux et procédé pour son fonctionnement

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