EP3231903B1 - Verfahren zum betreiben einer textilmaschine und textilmaschine - Google Patents

Verfahren zum betreiben einer textilmaschine und textilmaschine Download PDF

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Publication number
EP3231903B1
EP3231903B1 EP17164551.8A EP17164551A EP3231903B1 EP 3231903 B1 EP3231903 B1 EP 3231903B1 EP 17164551 A EP17164551 A EP 17164551A EP 3231903 B1 EP3231903 B1 EP 3231903B1
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EP
European Patent Office
Prior art keywords
textile machine
energy resources
available
partial sequences
yarn
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17164551.8A
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German (de)
English (en)
French (fr)
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EP3231903A1 (de
Inventor
Adalbert Stephan
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.)
Rieter Ingolstadt GmbH
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Rieter Ingolstadt GmbH
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 Rieter Ingolstadt GmbH filed Critical Rieter Ingolstadt GmbH
Publication of EP3231903A1 publication Critical patent/EP3231903A1/de
Application granted granted Critical
Publication of EP3231903B1 publication Critical patent/EP3231903B1/de
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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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/08—Automatic end-finding and material-interconnecting arrangements
    • B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
    • B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/42—Control of driving or stopping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/74—Driving arrangements
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
    • D01H4/48—Piecing arrangements; Control therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • 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 invention relates to a method for operating a textile machine with a large number of similar work stations, the same yarn being produced with the help of the work stations during normal operation or being rewound from a delivery bobbin to a receiver bobbin, and normal operation at the individual work stations after a stop of the Textile machine initiated by a service operation or interrupted at certain time intervals by a service operation in the form of a piecing process, a tube changing process or a yarn joining process.
  • a textile machine with a large number of similar workstations for producing yarn or for rewinding yarn from a delivery spool to a receiver spool is proposed, with lines for transporting energy resources being provided, and with the workstations having devices for performing a piecing process, a tube changing process and / or of a yarn joining process.
  • Generic textile machines can be used as spinning machines (for example as a spinning machine, as in the EP 3 168 179 A1 is described), which are used to produce a yarn from a supplied fiber structure, or be designed as winding machines, the latter being designed to rewind yarn from delivery bobbins to receiver bobbins and preferably to remove yarn defects from the yarn.
  • the spinning machines can be, for example, ring, rotor or air-jet spinning machines. The normal operation of these textile machines is interrupted again and again.
  • the object of the present invention is therefore to improve the method for operating the textile machine in such a way that the productivity of the textile machine is increased.
  • the object is achieved by a method for operating a textile machine and a textile machine with the features of the independent claims.
  • a method for operating a textile machine with a large number of similar work stations With the help of the work stations, yarn is produced during normal operation of the work stations or yarn is rewound from a delivery bobbin to a receiver bobbin.
  • the textile machine is a spinning machine. It is irrelevant for the present invention whether it is a ring, a rotor, an air-jet spinning machine or some other spinning machine. In the event of rewinding from a supply reel to a receiver reel, the textile machine is then designed as a winding machine.
  • normal operation is initiated by a service operation.
  • this service operation is, for example, a piecing process.
  • normal operation can also be interrupted at certain time intervals by a service operation, for example a piecing process, a tube changing process or a yarn joining process.
  • These service operations can be carried out both by devices that are assigned to one or a few work stations, and also by service devices that can be driven to individual work stations.
  • the method is preferably carried out in textile machines whose workstations are each equipped individually or in pairs with workstation-specific service devices that are arranged in a stationary manner.
  • service devices that can be moved along the workplaces e.g. B. in the form of service robots known in principle in the prior art, are used.
  • At least one of the mentioned service operations is divided into several partial sequences. These partial sequences are carried out one after the other, but a pause can be inserted after each or individual partial sequences.
  • a pending sub-sequence is carried out independently of the other sub-sequences of the corresponding service operation if the energy resources required to carry out the pending sub-sequence are available. The energy resources required therefore only have to be available for the next partial sequence and not for the entire service operation. So can partial sequences a service operation can also be processed if the required energy resources for the entire service operation are not yet available. In this way, the energy resources of the textile machine are better utilized and the productivity of the textile machine is increased.
  • the energy resources required by the upcoming partial sequences exceed the available energy resources. It is then advantageous if the sub-sequence to be carried out next is selected in such a way that the productivity of the textile machine is maximized. For example, yarn joining processes are pending for two workplaces, with the first partial sequence pending at one workstation and the last partial sequence of this service operation pending at the other workstation. If the energy resources are not available for both partial sequences, then the partial sequence for the job at which the last partial sequence is due is carried out first, since this job can then continue with normal operation and productivity is increased.
  • the partial sequence that is assigned to the job that works fastest and / or most reliably and / or on is carried out next resumes normal operation in the fastest and / or most reliable manner. For example, if a piecing process is to be carried out for two work stations and the free energy resources are only sufficient for one piecing process, then the piecing process is first carried out at the work station that spins faster and / or more reliably or which experience has shown can be pieced faster and / or more reliably. This increases the productivity of the textile machine.
  • the amount of at least one consumed energy resource, one required energy resource and / or one is advantageously available standing energy resource is stored in a memory and is called up by this. It is possible to use a value for each partial sequence of a service operation or - which is more complex, but more precise - to use separately determined values for each job. With the help of this information, it can be calculated quickly and easily in both cases whether or not there are still enough energy resources available for an upcoming partial sequence.
  • the amount of at least one consumed energy resource and / or one available energy resource is measured while the textile machine is in operation.
  • the resulting measured values are then used to determine the required or available energy resources. In this way, fluctuations in the energy requirement and in particular in the available energy resources can be taken into account and the available energy resources can be used even better.
  • the energy resources are taken into account within their natural units of jobs.
  • the power supply to a textile machine is usually centrally regulated - in this case the natural units of workplaces would be all workplaces.
  • the supply of negative pressure is often implemented separately for each side of the machine.
  • the natural unit of jobs is the jobs on one side of the machine.
  • the energy resources advantageously include electrical power, compressed air and / or negative pressure, since these are the most frequently required energy resources in textile machines.
  • the method presented can also be used for other energy resources without any problems.
  • the partial sequences of the piecing process include a thread search process and a workstation run-up process. This division is advantageous for two reasons: on the one hand, it is easily possible to interrupt the piecing process after the thread search process; for holding the thread end that has been found, no or only very small energy resources are generally required. On the other hand, a lot of negative pressure is required for the thread search process, while more electrical power is required for the job start-up process. This division of the partial sequences means that the available energy resources can be optimally used.
  • a thread search process a splicing process and a job run-up process.
  • a yarn joining process is necessary after a thread break or a cleaner cut, for example.
  • a free thread end is first searched for on a partially wound tube, for example with one with negative pressure working suction tube.
  • This thread end is then brought together with a freshly spun thread (for spinning machines) or with a thread from the delivery bobbin (for winding machines) and connected in the splicing process.
  • the job start-up process follows again so that the job can start normal operation. This division of the partial sequences again enables interruptions between the partial sequences and the partial sequences have different energy requirements, which overall increases the productivity of the textile machine.
  • a textile machine is also proposed with a large number of similar work stations for producing yarn or for rewinding yarn from a supply bobbin to a receiving bobbin.
  • the textile machine can therefore be a spinning machine or a winding machine.
  • the textile machine has lines for transporting energy resources, for example electrical power, negative pressure or compressed air.
  • the workstations have devices for performing service operations. These service operations include a piecing process, a tube changing process and / or a yarn joining process.
  • the textile machine has a control unit or is in operative connection with a control unit.
  • the control unit is designed in such a way that it operates the textile machine according to the method described above.
  • the service operations are divided into several partial sequences.
  • the control unit then causes a pending partial sequence to be carried out independently of the other partial sequences of the corresponding service operation if the energy resources required for this are available.
  • FIG. 1 shows a textile machine 1 according to the invention with a plurality of work stations 2 (similar sections / components of the textile machine 1 are drawn identically and for reasons of clarity only some of the sections / components are usually provided with a reference number).
  • Each of these work stations 2 has a device 3 for performing a service operation, for example a piecing process.
  • a control unit 5 which, among other things, controls the implementation of the service operations.
  • a main power line 6 and two main vacuum lines 7 also extend from the end of the machine 4.
  • the main power line 6 is designed centrally for the entire textile machine 1 and branches off into several power lines 8 which supply the devices 3 with electrical power.
  • the vacuum main lines 7 are each assigned to one machine half. They branch into several vacuum lines 9, which supply the devices 3 with negative pressure.
  • a workstation 2 If a workstation 2 now needs a service operation, it makes a request to the control unit 5.
  • the control unit 5 checks whether the energy resources allow an upcoming partial sequence of this service operation to be carried out. In this case, the control unit 5 for the electrical current considers the consumption at all work stations 2 of the textile machine 1. For the consumption of negative pressure - due to the separate distribution of the negative pressure via two main negative pressure lines 7 - on the other hand, only the machine half of the textile machine 1 is considered, which is the Job 2 that requested the service operation is assigned.
  • control unit 5 instructs the device 3 to carry out this partial sequence of the service operation.
  • Figure 2a shows the consumption of electrical power in a single piecing process. The time is plotted in certain time units on the x-axis. On the y-axis is the consumption of electric power as Proportion of the electrical current available in this spinning machine is applied.
  • the piecing process begins with a thread search (FS), which only requires 5% of the available electrical current and lasts five time units.
  • the thread search is followed by the start-up (HF) of the spinning station. Starting up requires 40% of the available electrical power and takes three time units. After a total of eight time units, the piecing process is ended and the work station can start normal operation.
  • FS thread search
  • HF start-up
  • Figure 2b shows the to Figure 2a associated consumption of negative pressure.
  • the labels are the same as in Figure 2a except that the consumption of negative pressure is plotted on the y-axis as a proportion of the negative pressure available in this spinning machine. How out Figure 2b As can be seen, 30% of the available vacuum is required for the thread search. Starting up the workplace does not require a negative pressure.
  • Figures 3a and 3b show the consumption of electrical power or negative pressure of piecing processes at five work stations according to the conventional method.
  • the names are the same as in Figures 2a or 2b. It is assumed that all five jobs require a piecing process at zero time.
  • the number of piecing processes that can take place simultaneously is limited by the available electrical current. Since a piecing process requires 40% of the available electrical current when starting up, a maximum of two piecing processes can take place at the same time.
  • the piecing process is carried out for two work stations.
  • the thread search (FS1 and FS2) is followed by start-up (HF1 and HF2) of these jobs. Meanwhile, the three other jobs have to wait.
  • the piecing process for the first two work stations has ended after eight time units, the piecing process for the next two work stations begins.
  • the piecing process again includes the thread search (FS3 and FS4) and the start-up (HF3 and HF4) of the work stations. Meanwhile, the first two jobs are already working in normal operation and the fifth is still waiting.
  • the third and fourth work stations are finished with the piecing process and start normal operation.
  • the piecing process can now begin for the fifth job with thread search (FS5) and start-up (HF5). This is completed after a total of 24 time units.
  • the available energy resources are not used particularly well in the conventional method.
  • interruptions can occur between the individual partial sequences in the method according to the invention.
  • the thread search is limited by the available negative pressure and so in this example three work stations can start the thread search (FS1, FS2 and FS3). As soon as the thread search for these three jobs has been completed, the first two jobs can start starting up (HF1 and HF2). For booting up the third There is not enough electricity available at work. However, there are still enough energy resources available so that jobs four and five can start searching for threads (FS4 and FS5).
  • Job four can only start with the start-up (HF4) at the time ten, since the thread search was only then completed. At this point in time, job five has also completed the thread search. However, job five must wait to start up (HF5) until job three has finished starting up at eleven and enough electricity is available again. At times 13 and 14, jobs four and five have also completed the start-up.
  • the energy resources are used significantly better than with the conventional method.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP17164551.8A 2016-04-04 2017-04-03 Verfahren zum betreiben einer textilmaschine und textilmaschine Active EP3231903B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016106107.7A DE102016106107A1 (de) 2016-04-04 2016-04-04 Verfahren zum Betreiben einer Textilmaschine und Textilmaschine

Publications (2)

Publication Number Publication Date
EP3231903A1 EP3231903A1 (de) 2017-10-18
EP3231903B1 true EP3231903B1 (de) 2021-08-11

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EP17164551.8A Active EP3231903B1 (de) 2016-04-04 2017-04-03 Verfahren zum betreiben einer textilmaschine und textilmaschine

Country Status (5)

Country Link
US (1) US10400359B2 (zh)
EP (1) EP3231903B1 (zh)
JP (1) JP6885768B2 (zh)
CN (1) CN107265195B (zh)
DE (1) DE102016106107A1 (zh)

Families Citing this family (7)

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DE102018102135A1 (de) * 2018-01-31 2019-08-01 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben einer Textilmaschine und eine Textilmaschine
DE102018118654A1 (de) 2018-08-01 2020-02-06 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102019122609A1 (de) 2019-08-22 2021-02-25 Maschinenfabrik Rieter Ag Verfahren zum Bestimmen einer elektrischen Leistung oder eines elektrischen Energieverbrauchs einer Spinn- oder Spulmaschine und Spinn- oder Spulmaschine
DE102019007321A1 (de) * 2019-10-22 2021-04-22 Oerlikon Textile Gmbh & Co. Kg System zur Verwaltung der elektrischen Energieversorgung einer Textilfabrik mit einer Wicklervorrichtung
DE102020106835A1 (de) 2020-03-12 2021-09-16 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102021104676A1 (de) 2021-02-26 2022-09-01 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102022109107A1 (de) 2022-04-13 2023-10-19 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zur Leistungssteuerung einer Textilmaschine, Leistungssteuereinheit sowie Spinnmaschine

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Also Published As

Publication number Publication date
EP3231903A1 (de) 2017-10-18
US10400359B2 (en) 2019-09-03
US20170283993A1 (en) 2017-10-05
JP2017186727A (ja) 2017-10-12
CN107265195B (zh) 2021-04-02
DE102016106107A1 (de) 2017-10-05
CN107265195A (zh) 2017-10-20
JP6885768B2 (ja) 2021-06-16

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