EP3967797A1 - Textilmaschine sowie verfahren zum betreiben einer derartigen textilmaschine - Google Patents

Textilmaschine sowie verfahren zum betreiben einer derartigen textilmaschine Download PDF

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Publication number
EP3967797A1
EP3967797A1 EP21194206.5A EP21194206A EP3967797A1 EP 3967797 A1 EP3967797 A1 EP 3967797A1 EP 21194206 A EP21194206 A EP 21194206A EP 3967797 A1 EP3967797 A1 EP 3967797A1
Authority
EP
European Patent Office
Prior art keywords
textile machine
power consumption
spinning
working
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21194206.5A
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German (de)
English (en)
French (fr)
Inventor
Detlef Schelter
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.)
Saurer Spinning Solutions GmbH and Co KG
Original Assignee
Saurer Spinning Solutions GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saurer Spinning Solutions GmbH and Co KG filed Critical Saurer Spinning Solutions GmbH and Co KG
Publication of EP3967797A1 publication Critical patent/EP3967797A1/de
Pending legal-status Critical Current

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Classifications

    • 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
    • B65H54/70—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
    • 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
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • 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
    • D01H4/04—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 imparting twist by contact of fibres with a running surface
    • D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor

Definitions

  • the invention relates to a textile machine with a control unit, working elements and an energy supply device which can be connected to a spinning power supply system and includes electrical power packs for supplying the working elements.
  • the invention also relates to a method for operating the textile machine.
  • the invention relates in particular to a textile machine that produces cross-wound bobbins and has a large number of work stations, each of which has an open-end rotor spinning device with work elements that can be acted upon by individual motors.
  • Textile meshes that produce cross-wound bobbins which have a control unit, in particular a central control unit, and a large number of workstations, each of which is equipped with working elements that can be acted upon by individual motors and whose power supplies are connected to the power supply of a corresponding industrial plant, are known in various embodiments and are described in the patent literature in disclosed in numerous applications.
  • an automatic winder which is equipped with a plurality of work stations, which in turn have a large number of electrical components and drives.
  • the automatic winder also has a control and evaluation device in which load information from the various components is recorded and stored in such a way that a later error analysis is possible if necessary.
  • This load information includes, for example, the temperature, the voltage and the electric current, with the electric power being calculated from the voltage and the current and also being stored. If there is an unexpected increase in one or more of these variables, it is concluded that there is an error.
  • the status data of the drives of a textile machine can not only, as in the EP 2 562 114 A2 described, can be used for the subsequent creation of an error analysis, but can also be used elsewhere. Since it is necessary to measure the currents and voltages precisely for correct control of the frequency converters of variable-speed drives in a textile machine, the status data of the drives can also be used sensibly during ongoing operation of the textile machine. Furthermore, in connection with the operation of such textile machines, the optimization of the energy consumption of these textile machines is also becoming increasingly important.
  • the textile machine has a correspondingly designed digital control device. This means that the status data required for calculating the total power consumption are permanently stored in the digital control of this known textile machine, so that only a corresponding software input is required to calculate the total power consumption.
  • the object of the invention is to develop a device or a method that gives the operator of the textile machine the opportunity to check in advance how the power consumption of a power pack or a working element is developing, if one or more parameters of the family of characteristics of the working body is/are changed.
  • the operating personnel can check in advance whether a change in one or more parameters of the family of characteristics of a working element threatens to exceed the permissible power consumption of the power supply unit or the relevant working element of the textile machine, with the result that the textile machine Overheating is turned off by an "emergency stop" circuit.
  • control unit of the textile machine has a control and evaluation device in which the respective power consumption of a power supply unit or a working element is stored on the basis of characteristic curves that were created from various specifiable parameters, the control and evaluation device is designed in such a way that it calculates from the family of characteristics how the power consumption of the electrical power supply unit or of the working body develops when one or more parameters of a family of characteristics of a working body is/are adjusted.
  • the invention has the particular advantage that the operating personnel can use the control and evaluation device to check in advance in a simple manner how the energy consumption of the power supplies and the working elements would develop if one or more parameters of the family of characteristics of the working elements are changed/ will.
  • control and evaluation device preferably includes a display that is designed to display the precalculated power consumption.
  • the control and evaluation device is preferably designed to compare the precalculated power consumption with a permissible power consumption and to signal a warning if the permissible power consumption is exceeded. As part of this warning, the operating personnel can be prompted, for example by means of the display, not to carry out the entered change in the parameters or to set or enter other parameters.
  • the textile machine preferably comprises a large number of work stations, the work stations having working elements which can be acted upon by individual motors and whose power consumption is calculated in advance.
  • the textile machine can also have central working elements whose power consumption is calculated in advance.
  • a central working element can, for example, be the drive of an intake system.
  • the suction system can, for example, provide a predetermined negative spinning pressure.
  • the working elements that can be acted upon by an electric motor are assigned to the work station of an open-end rotor spinning device.
  • the working elements that can be acted upon by an electric motor preferably include the individual drive for the sliver draw-in cylinder, the individual drive for the sliver opening roller, the individual drive for the spinning rotor and the individual drive for the thread draw-off device.
  • the yarn count, the fiber type, the twist coefficient, the rotor diameter, the rotor speed, the opening roller speed and/or the negative spinning pressure are taken into account as parameters for the characteristic curves of these working elements. This means that the power consumption of the working elements is characterized by one or more of the parameters described above, depending on which of the working elements is to be reset.
  • the power consumption of the spinning rotor drive is, for example, primarily dependent on the rotor diameter and the rotor speed, while the power consumption of the opening roller drive z. B. is strongly dependent on the speed of the opening rollers, the fiber type and/or the yarn count.
  • the power consumption of the individual drives also influence the power consumption of a feeding power pack, the power consumption of which is preferably also calculated in advance.
  • the textile machine according to the invention does not necessarily have to be in the form of an open-end rotor spinning machine, but can also be in the form of a ring spinning machine.
  • the spindle speed, the rotor weight and/or the ring diameter can then be taken into account as parameters for the family of characteristic curves of the working elements.
  • the textile machine can also be designed as a winding machine.
  • the winding speed can be taken into account as a parameter for the family of characteristic curves of the working elements.
  • control and evaluation device of the textile machine also takes into account special operating states of the textile machine when determining the power consumption of the power supply units or the working elements.
  • special operating conditions to be taken into account are, for example, interruptions in spinning occurring during the spinning/winding operation of the textile machine and/or the statistical average number of work stations simultaneously in operation during the spinning/winding operation of the textile machine.
  • the power consumption of an electrical power pack or a working element is also determined for such special operating states, with the control and evaluation device of the textile machine working, for example, with empirical values. This means that when calculating the total power consumption of a textile machine or the power consumption of a power supply unit, the power consumption of the working elements stored as an empirical value is taken into account when the working elements are in the ON operating state.
  • control unit of the textile machine has a control and evaluation device in which, based on characteristic curves that are created from various parameters, the Power consumption of power supplies or individual working bodies is stored, the control and evaluation device calculates how the power consumption of the electrical power supply or the working body develops when one or more parameters of the family of characteristics of a working body is adjusted / are.
  • the operating personnel can thus quickly, easily and reliably check whether, when one or more parameters of the family of characteristics of a working element are readjusted, there is a risk that the power consumption of a power supply unit or a working element and/or the total power consumption of the textile machine will increase to such an extent that a permissible power consumption individual components is exceeded and an "emergency stop" of the textile machine is imminent.
  • the figure 1 shows a perspective representation of a textile machine producing cross-wound bobbins, in the exemplary embodiment an open-end rotor spinning machine 1, with a central control unit 11, which is equipped with a control and evaluation device 41 designed according to the invention.
  • open-end rotor spinning machines 1 have a large number of work stations 2 , each of which is equipped with an open-end rotor spinning device 3 and a winding device 4 , among other things.
  • Such open-end rotor spinning machines 1 are also often supplied by service units 5, which intervene when there is a need for action at a job 2. Such a need for action exists, for example, if a finished cheese 7 has to be exchanged for a fresh empty tube 9 at one of the work stations 2 .
  • slivers which are stored in sliver cans 6, are spun into threads 30, which are then wound up on the winding devices 4 to form cross-wound bobbins 7.
  • the winding devices 4 are for this purpose, as in the figures 2 and 3 shown schematically, each equipped with a creel 8 for rotatably supporting an empty tube 9 or a cross-wound bobbin 7, a winding drum 10 for defined rotation of these elements, and with a yarn traversing device 26.
  • the illustrated open-end rotor spinning machine 1 also has, as already indicated above, a central control unit 11 which is equipped with a control and evaluation device 41 designed according to the invention.
  • the central control unit 11 is connected to the control devices 13 of the work stations 2 and to the control devices 19 of the service units 5 via a bus system 12 .
  • open-end rotor spinning machines 1 are often equipped with a cheese transport device 14 for disposing of finished cheeses 7 and an empty tube supply device, which essentially consists of an empty tube magazine 15 and tube feed tracks 16 .
  • the service units 5 can be moved on guide rails 17, 18, which are arranged on the open-end rotor spinning machine 1, along the work stations 2 and, if necessary, can be positioned at a requesting work station 2, as is shown in figure 2 is shown schematically.
  • the open-end rotor spinning machine 1 has an energy supply device 43 for supplying the electrical components with electrical energy.
  • the energy supply device 43 is connected to a power supply system 25 for the spinning mill.
  • the energy supply device 43 comprises a plurality of power supplies which are adapted to the structure and the type of drives used in the open-end rotor spinning machine 1 .
  • the open-end rotor spinning machine 1 includes an internal DC voltage network 45, via which the individual work stations 2 are supplied with electrical energy.
  • the DC voltage network 45 is fed via the central power supply unit 24 from the spinning mill power network 25 .
  • the power pack 24 is designed as a rectifier. To supply the work stations 2, each work station 2 has its own power pack 35, which lowers the voltage of the DC voltage network 45.
  • the energy supply device 43 has a further central power supply unit 32 which is also fed by the spinning power supply system 25 .
  • the power pack 32 is designed as an inverter.
  • the power pack 32 supplies the motor 33 of a central intake system, not shown, with electrical energy.
  • the suction system provides a vacuum that is required for the open-end rotor spinning devices 3 of the work stations 2 .
  • the figure 2 shows a highly schematic side view of a work station 2 of an open-end rotor spinning machine 1 with a service unit 5 positioned in front of the work station 2.
  • the work stations 2 of such open-end rotor spinning machines 1 each have an open-end rotor spinning device 3, with different ones, as in figure 3 shows in more detail, working elements that can be driven by a single motor, and a winding device 4 with a creel 8 in which a cross-wound bobbin 7 or an empty tube 9 is rotatably mounted.
  • a winding device 4 with a creel 8 in which a cross-wound bobbin 7 or an empty tube 9 is rotatably mounted.
  • the cross-wound bobbin 7 or the empty tube 9 rests on a winding drum 10, which drives the cross-wound bobbin 7 or the empty tube 9 by friction.
  • Such winding devices 4 are usually also equipped with a yarn traversing device 26 which ensures that the yarn 30 produced in the open-end rotor spinning device 3 is wound in intersecting layers onto the winding package mounted in the creel 8 .
  • each workstation 2 also has a workstation-specific control device 13, which is connected via a bus system 12 to the central control unit 11 of the open-end rotor spinning machine 1, a thread take-off device 21 that can be driven by a single motor, and a workstation-specific, pivotably mounted suction nozzle 29.
  • a cheese transport system 14 and tube feed tracks 16 are also arranged behind or above the work stations 2 .
  • the service units 5, which are usually of identical design and are mounted on guide rails 17, 18 so that they can be moved along the work stations 2, are used in particular when a cheese/empty tube change is pending at one of the work stations 2.
  • the service units 5 each have various handling devices which enable the service unit 5 to carry out a proper cheese/empty tube change if necessary and while also making a piecing thread available to the open-end rotor spinning device 3 of the job 2 in question.
  • Such a service unit 5 has, for example, a so-called frame opener (not shown) and an ejector and drive arm (also not shown) that can be placed on the surface of the cheese 7 .
  • the service unit 5 also has a tube gripping device 20 with which empty tubes 9, which are conveyed via the tube feed tracks 16 into the area of the work stations 2, can be picked up and transferred to the creel 8.
  • such service units 5 are equipped with an auxiliary thread delivery device 22 for providing a piecing thread, a thread feed and thread laying device 23 and a thread transfer device 28 .
  • the figure 3 shows an open-end rotor spinning device 3 with an associated yarn take-off device 21 on a larger scale, partially in section.
  • both the various working elements of the open-end rotor spinning device 3 and the yarn take-off device 21 are each driven by individual motors.
  • This means that the spinning rotor 40 which is mounted without contact in a magnetic bearing, for example, is acted upon by an individual electric motor drive 34 .
  • the individual drive 34 of the spinning rotor 40 is connected directly to the power pack 35 of the work station 2 in order to be supplied with electrical energy.
  • the individual drive 34 of the spinning rotor 40 has its own control device, not shown, which controls the spinning rotor 40 as required.
  • the workplace 2 has its own workplace control device 13, which is also supplied by the power pack 35 of the workplace 2 with electrical energy.
  • the control device 13 is in turn connected via a bus system 12 to the central control unit 11 of the open-end rotor spinning machine 1 and thus to the control and evaluation device 41 .
  • the control device 13 of the workstation 2 controls the operation of further individual drives of the workstation 2.
  • the thread take-off device 21 is driven by the individual drive 44 which in turn is connected to the control device 13 via the control line 36 .
  • the individual electric motor drives 31, 34, 38, 44 of the various working elements of an open-end rotor spinning device 3 can be driven at a defined speed as required.
  • the power consumption of such drives increases, depending on various parameters, e.g. B. the speed, sometimes strongly.
  • the Figures 4A and 4B use diagrams to show examples of characteristic curves that are stored in the control and evaluation device 41 of the central control unit 11 of the open-end rotor spinning machine 1 and with the help of which the electrical power consumption of the individual drives 31, 34, 38, 44 of the various drive components of the Open-end rotor spinning device 3 can be determined at certain speeds. Accordingly the electrical power consumption of the power supply unit 35 of the workplace 2 also results from the sum of the electrical power consumption of the individual components to be supplied.
  • the Figure 4A shows, for example, a family of characteristics that is used to determine the development of the power consumption of the individual drive 34 of an open-end spinning rotor 40.
  • the rotor diameter and the rotor speed are taken into account as parameters to be taken into account.
  • the curve 48 shows the development of the power consumption of the individual drive 34 with a spinning rotor 40 whose diameter is relatively small.
  • the curves 49 and 50 correspondingly show the development of the power consumption of the individual drive 34 for spinning rotors with medium-sized and large diameters.
  • the area of the critical power consumption of the spinning rotor drive 34 is also marked with the reference number 51 in the diagram.
  • the Figure 4B shows the development of the power consumption of the individual drive 31 of a sliver opening roller 27 on the basis of a family of characteristics.
  • the curves 53, 54, 55 show, by way of example, the development of the power consumption of the individual drive 31 with different yarn counts, with curve 53 showing the development with fine yarn counts, curve 54 with medium yarn counts and curve 55 with somewhat coarser yarn counts.
  • Other parameters influencing the power consumption of an individual drive can also be, for example, the fiber type and/or spinning interruptions that occur during the spinning/winding operation of the textile machine 1 .
  • the power consumption of the individual drives of an open-end rotor spinning device 3 or the total power consumption of the textile machine 1 in a specific operating state can be determined relatively easily in advance by means of corresponding characteristic curves.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP21194206.5A 2020-09-15 2021-09-01 Textilmaschine sowie verfahren zum betreiben einer derartigen textilmaschine Pending EP3967797A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020123977.7A DE102020123977A1 (de) 2020-09-15 2020-09-15 Textilmaschine sowie Verfahren zum Betreiben einer derartigen Textilmaschine

Publications (1)

Publication Number Publication Date
EP3967797A1 true EP3967797A1 (de) 2022-03-16

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Application Number Title Priority Date Filing Date
EP21194206.5A Pending EP3967797A1 (de) 2020-09-15 2021-09-01 Textilmaschine sowie verfahren zum betreiben einer derartigen textilmaschine

Country Status (3)

Country Link
EP (1) EP3967797A1 (zh)
CN (1) CN114182400B (zh)
DE (1) DE102020123977A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261330A1 (de) * 2022-04-13 2023-10-18 Saurer Spinning Solutions GmbH & Co. KG Verfahren zur leistungssteuerung einer textilmaschine, leistungssteuereinheit sowie spinnmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040892A1 (de) 2006-08-31 2008-03-13 Saurer Gmbh & Co. Kg Energieverbrauchsoptimierung
EP2562114A2 (en) 2011-08-24 2013-02-27 Murata Machinery, Ltd. Textile machine and information transmission system for textile machine
DE102014016785A1 (de) 2014-11-13 2016-05-19 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102015014177A1 (de) * 2015-11-03 2017-05-04 Saurer Germany Gmbh & Co. Kg Textilmaschine mit einer Vielzahl nebeneinander angeordneter Arbeitsstellen
EP3260584A1 (de) * 2016-06-15 2017-12-27 Rieter Ingolstadt GmbH Verfahren zum optimieren der produktion einer rotorspinnmaschine

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DE102007018536B4 (de) * 2007-04-19 2018-05-30 Saurer Germany Gmbh & Co. Kg Offenend-Spinnmaschine
DE102007053711A1 (de) * 2007-11-10 2009-05-14 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
DE102010044901A1 (de) * 2010-09-09 2012-03-15 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine und Kreuzspulen herstellende Textilmaschine
BE1023597B1 (nl) * 2015-11-10 2017-05-11 Nv Michel Van De Wiele Werkwijze voor het gecontroleerd tot stilstand brengen van een textielmachine en textielmachine voorzien om volgens die werkwijze tot stilstand gebracht te worden
DE102018112802A1 (de) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine sowie Textilmaschine
DE102018112797A1 (de) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Ermitteln von Betriebszuständen einer Textilmaschine sowie eine 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006040892A1 (de) 2006-08-31 2008-03-13 Saurer Gmbh & Co. Kg Energieverbrauchsoptimierung
EP2562114A2 (en) 2011-08-24 2013-02-27 Murata Machinery, Ltd. Textile machine and information transmission system for textile machine
DE102014016785A1 (de) 2014-11-13 2016-05-19 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Textilmaschine und Textilmaschine
DE102015014177A1 (de) * 2015-11-03 2017-05-04 Saurer Germany Gmbh & Co. Kg Textilmaschine mit einer Vielzahl nebeneinander angeordneter Arbeitsstellen
EP3260584A1 (de) * 2016-06-15 2017-12-27 Rieter Ingolstadt GmbH Verfahren zum optimieren der produktion einer rotorspinnmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261330A1 (de) * 2022-04-13 2023-10-18 Saurer Spinning Solutions GmbH & Co. KG Verfahren zur leistungssteuerung einer textilmaschine, leistungssteuereinheit sowie spinnmaschine

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CN114182400B (zh) 2023-12-12
CN114182400A (zh) 2022-03-15
DE102020123977A1 (de) 2022-03-17

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