EP3754064A1 - Machine textile dotée de plusieurs postes de travail, ainsi que procédé de surveillance d'une machine textile dotée de plusieurs postes de travail - Google Patents

Machine textile dotée de plusieurs postes de travail, ainsi que procédé de surveillance d'une machine textile dotée de plusieurs postes de travail Download PDF

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Publication number
EP3754064A1
EP3754064A1 EP20180135.4A EP20180135A EP3754064A1 EP 3754064 A1 EP3754064 A1 EP 3754064A1 EP 20180135 A EP20180135 A EP 20180135A EP 3754064 A1 EP3754064 A1 EP 3754064A1
Authority
EP
European Patent Office
Prior art keywords
textile machine
production
check
checked
work stations
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.)
Granted
Application number
EP20180135.4A
Other languages
German (de)
English (en)
Other versions
EP3754064B1 (fr
Inventor
Bert Hurtz
Dirk Schiffers
Ralf Siewert
Tai Mac
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 EP3754064A1 publication Critical patent/EP3754064A1/fr
Application granted granted Critical
Publication of EP3754064B1 publication Critical patent/EP3754064B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices
    • 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
    • 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
    • D01H13/26—Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
    • 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile; fibres
    • 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 consideration of the production figures determined by suitable sensors, such as piecing reliability, number of thread breaks, number of cleaner cuts, efficiency or the like over a definable period of time that encompasses the current operation, enables the machine operator to identify problematic workplaces at an early stage so that appropriate countermeasures can be initiated can, which are carried out, for example, by so-called service units, which can be moved along the workplaces on the textile machine and automatically carry out maintenance processes at the workplaces.
  • the invention is based on the object of providing a method for monitoring a textile machine with several workplaces and a textile machine with several workplaces, which allow rapid detection and identification of those workplaces whose production figures exceed predetermined limit values.
  • the invention solves the problem by a textile machine with the features of claim 1 and a method for monitoring a textile machine with the features of claim 6.
  • Advantageous developments of the textile machine are in the dependent claims 2 to 5, advantageous developments of the method in the dependent claims 7 to 9 specified.
  • the display unit has several signal units which are arranged on the textile machine control unit and / or the respective workplaces and are assigned to the individual workplaces, which are designed in such a way that the result of the check of the at least one selected production key figure to be checked is exceeded with regard to the assigned predetermined limit value is displayed by means of different light signals.
  • a production key figure is to be understood as a value which results from a predeterminable or predetermined combination of at least two or more defined values, in particular different from one another.
  • a signal unit is arranged at each work station, which shows the result of the check directly at the workplace.
  • the signal unit is arranged in the area that is clearly visible to the machine operator in such a way that it can also be clearly recognized from a distance, so that faulty jobs, i.e. those whose production key figures exceed predetermined limit values, can also be identified remotely if the The machine operator does not have a view of the display unit. Necessary maintenance work can thus be recognized and initiated.
  • the textile machine according to the invention also allows the signaling of an idling can containing a sliver for a spinning machine - from which a sliver is continuously fed to a spinning machine - with a sufficient advance warning time.
  • Corresponding measures such as requesting and providing a new can, can be initiated in good time by a machine operator either manually or automatically.
  • the change of a can is preferably to be acknowledged, it being possible to monitor emptying of the can subsequently, for example via the detectable production of the work station.
  • Production figures of the can to be monitored can be, for example, the length of the sliver of the can in meters, the weight of the sliver or the diameter of the take-up bobbin, which particularly reliably enable timely signaling of the need to replace the can.
  • the signal units arranged at the workplaces also enable the identification and identification of those workplaces at which matching product groups, for example the same yarns, are processed, as well as those workplaces that are not assigned to any product groups.
  • the signal units for signaling the results of the checking of the monitoring results can in principle be configured in any way by the signal units. According to an advantageous embodiment of the invention, however, the signal unit is designed to display the result of the check by means of light signals of different brightness and / or color.
  • these can also be designed to display the results of the check in color.
  • This embodiment enables a machine operator to immediately identify workplaces that require maintenance in a particularly advantageous manner. For example, workplaces that work within the specified framework can be identified by a signal unit displaying a green light signal. Workplaces that require maintenance or that work incorrectly can be identified by a different color, e.g. red.
  • This contrast of the signal units makes it easier for a machine operator to detect - in particular from a distance - those workplaces whose production key figures are outside the specified limit values.
  • a further development of the invention provides that the signal units are designed to display the result of the check by means of continuous light and flashing light.
  • This embodiment of the invention improves the visibility of maintenance-requiring jobs from a distance in a supplementary manner.
  • the frequency of the flashing light can be adapted to the need for maintenance. Workplaces that are primarily to be serviced can be identified by a signal light flashing at a high frequency, while workplaces that require maintenance are identified by a flashing light having a low frequency. A machine operator is thus shown in a particularly advantageous manner the need for maintenance of the individual workplaces.
  • the signal units are arranged at the workstations in such a way that they can be easily recognized by a maintenance worker even from a distance. According to a particularly advantageous embodiment of the invention, it is provided that the signal units are arranged at the work stations and the light signals are generated at the signal units in such a way that they can be used for the automatic identification and / or alignment of a service unit having an optical detection device with respect to the work stations.
  • the signal unit enables a service unit to automatically detect workplaces in need of maintenance.
  • the signal units are designed in such a way that the service unit, which automatically carries out maintenance work, aligns itself with the work site via the signal units.
  • the signal unit for example a light strip, has for this purpose special, for example brighter, signal points which enable the service unit to be optimally aligned with respect to the work station. Additional alignment elements for positioning the service units in relation to the workplace can thus be dispensed with.
  • the design of the signal units is basically freely selectable. According to a further development of the invention it is provided that the signal units have an LED display.
  • the use of LED displays is characterized by their good visibility from a distance. In addition, LED displays are particularly low-maintenance and energy-efficient.
  • a characteristic of the method according to the invention is that the display unit has a plurality of signal units assigned to the individual workstations, which are arranged on the textile machine control unit and / or the workstation and on which the result of the check is displayed by means of different light signals.
  • a signal unit is arranged at each work station and / or the textile machine control unit, which signal unit indicates the result of the check directly for each work station.
  • the signal unit is arranged in the area that is clearly visible to the machine operator in such a way that the operator can also clearly see from a distance when individual workplaces require maintenance. In the case of the arrangement of the signal unit at those workplaces, faulty workplaces, that is, those whose production key figures exceed predetermined limit values, can be identified particularly easily even from a distance and required maintenance work can be carried out in the Paths are guided.
  • the method according to the invention it is also possible to indicate in good time that a jug is approaching empty, so that the organization or provision of a new, full jug can be initiated in good time.
  • the time window for the advance warning on the signal unit can be set by a machine operator on the textile machine control unit. After changing the jug, this is acknowledged so that the corresponding counter is restarted.
  • the emptying of the can can, for example, be monitored via the detectable production at the work site, determined in meters or kilograms or via the diameter of the pay-off reel. For can monitoring, it can be provided, for example, that the signal unit lights up continuously when the can contents are sufficient and changes to flashing when a defined limit value is reached.
  • the optical output of the results of the check by the signal unit can in principle take place in any way, for example by means of continuous light and flashing light with different flashing frequencies.
  • the result of the check is displayed by means of light signals of different brightness and / or color.
  • a colored display is characterized by its particularly good perceptibility by a machine operator. For example, problematic workplaces can be marked with a red light and properly working workplaces with a green light, which the machine operator can see particularly well from a distance. Particularly serious faults can also be indicated by a red flashing light.
  • workplaces with the same product groups are identified by means of the light signals.
  • the workplaces that process the same product groups can be identified with correspondingly colored light signals will. This also enables jobs that are not assigned to any product group to be recorded quickly.
  • the processing of the production key figures determined at the work stations and their comparison with specifiable reference values can in principle take place in any way. According to a further embodiment of the invention, however, it is provided that the production key figures to be checked are determined from an average of at least two or more individual production key figures determined over a selectable period, in particular at selectable intervals or at selectable times.
  • the mean value of individual production figures e.g. the number of cleaner cuts or thread breaks or the efficiency, i.e. what percentage of the possible machine running time can be achieved, or the piecing reliability, i.e. the ratio of the number of successful piecings to the number of piecing attempts is constantly updated over a specified period of time.
  • the mean value is preferably determined from the arithmetic, geometric or harmonic mean value or from a combination of at least two of these mean values. This embodiment of the invention thus enables early detection of a deteriorating production process at the workplaces.
  • Fig. 1 a schematic representation of an embodiment of a textile machine designed as a spinning machine 1 with a plurality of adjacently arranged spinning stations 2, which form the individual work stations of the textile machine.
  • the spinning stations 2 are controlled and monitored via a central textile machine control unit 3.
  • An input unit, not shown here, on the textile machine control unit 3 allows a machine operator to enter process parameters and query production key figures, among other things.
  • a signal unit 4 connected to the textile machine control unit 3 is arranged at each spinning station 2, which via a colored Light signal identifies the operating state of the spinning station 2.
  • Spinning positions 2 operating within the framework of defined limit values are identified by a green light signal.
  • Spinning positions 2 to be serviced are marked with a continuous red light.
  • the signal units 4 are arranged in such a way that spinning stations 2 in need of maintenance can be easily detected remotely by a machine operator as well as can be detected by an automatically operating service unit, not shown here and movable along the spinning stations 2.
  • a spinning station 2 that requires maintenance is displayed in accordance with the settings made on the textile machine control unit 3. After selecting one or more key production figures from a specified quantity, for example the efficiency, an observation period is established.
  • the efficiency corresponds in a preferred manner to a ratio of actual production time, which is a time in which production was actually carried out, to a target production time, which is a time in which production could take place.
  • actually produced means in a more preferred manner that the corresponding spinning station 2 has spun yarn
  • could be produced describes a state in which the spinning station is in a productive state, but no yarn is spinning. The latter can be the case, for example, when the spinning station is in a waiting state in which the spinning station 2 is responding to something such as, for example, feeding a new spinning can, changing a completed winding bobbin, removing a blockage by the operator or the like, waiting.
  • a common point in time can be set as a reference point in time for both the actual production time and the target production time, such as the start of the observation period and a point in time at the start of the shift. If, purely by way of example, a spinning station 2 has been in a productive state for 60 minutes since the start of the shift, but has only produced 53 minutes of this since the start of the shift, the efficiency of the spinning station 2 is approx.
  • a definable production group consisting of a predeterminable number of spinning stations 2 or even the spinning machine comprising all spinning stations 2 can be used with regard to a selected production key figure such as e.g. the efficiency can be considered.
  • the mean efficiency of a number of spinning positions 2 combined to form a production group (which can also be the spinning machine) is preferably obtained from a sum of the actual production times of these spinning positions 2 divided by a sum of the production target times of these spinning positions 2.
  • a current efficiency defines an instantaneous value which, based on this number of spinning positions 2, indicates how many spinning positions 2 are currently producing or spinning a yarn.
  • the production group can include 600 spinning stations 2, of which 578 spinning stations 2 are currently producing or spinning a yarn. This results in the current efficiency of approx. 96.3%.
  • the average efficiency is particularly suitable for evaluating and assessing a production quality, while the current efficiency can be used to analyze a trend and to identify any problems at an early stage.
  • the quantity produced, length, weight or another suitable parameter can be used as the basis for calculation.
  • the reference to the quantity, the length or the weight proves to be advantageous if there is no linear relationship between a production time and a production quantity.
  • the textile machine control unit 3 records the benefits of all spinning stations 2 after the observation period has been determined at predetermined intervals, for example every 2 minutes, and stores these in a memory of the textile machine control unit 3. After the specified observation period of 4 hours, for example, 120 measurements are available. The textile machine control unit 3 now determines for the first time the mean value of the utility effect over the observation period. From then on, the mean value is determined with each new measured value, i.e. every 2 minutes over the last 4 hours. I.e. the mean value is constantly updated, so that the useful effect for each spinning position 2 over the last 4 hours is permanently available.
  • this spinning station 2 If the mean efficiency of a spinning station 2 falls below a previously defined lower limit value, this spinning station 2 is identified as requiring maintenance by a corresponding light signal on the signal unit 4. This spinning station 2 can be quickly identified remotely by a machine operator so that appropriate countermeasures can be initiated immediately. After the disruption has been eliminated, the mean efficiency increases again and this spinning position becomes 2 again after the defined lower limit value has been exceeded characterized as working properly by the textile machine control unit 3. As an alternative or in addition to recording the efficiency, other production indicators can also be used for monitoring. This can be, for example, the number of cleaner cuts or thread breaks as well as the security of piecing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP20180135.4A 2019-06-19 2020-06-16 Machine textile dotée de plusieurs postes de travail, ainsi que procédé de surveillance d'une machine textile dotée de plusieurs postes de travail Active EP3754064B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019116627.6A DE102019116627A1 (de) 2019-06-19 2019-06-19 Textilmaschine mit mehreren Arbeitsstellen sowie Verfahren zur Überwachung einer Textilmaschine mit mehreren Arbeitsstellen

Publications (2)

Publication Number Publication Date
EP3754064A1 true EP3754064A1 (fr) 2020-12-23
EP3754064B1 EP3754064B1 (fr) 2022-04-06

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EP20180135.4A Active EP3754064B1 (fr) 2019-06-19 2020-06-16 Machine textile dotée de plusieurs postes de travail, ainsi que procédé de surveillance d'une machine textile dotée de plusieurs postes de travail

Country Status (8)

Country Link
US (2) US11866854B2 (fr)
EP (1) EP3754064B1 (fr)
JP (1) JP7494021B2 (fr)
CN (1) CN112111822B (fr)
BR (1) BR102020012098A2 (fr)
DE (1) DE102019116627A1 (fr)
MX (1) MX2020006489A (fr)
PT (1) PT3754064T (fr)

Cited By (1)

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DE102021127096A1 (de) 2021-10-19 2023-04-20 Maschinenfabrik Rieter Ag Kreuzspulenherstellende Textilmaschine mit einer Vielzahl gleichartiger, nebeneinander angeordneter Arbeitsstellen und einer entlang der Arbeitsstellen verfahrbaren Bedieneinrichtung sowie Verfahren zum Betreiben einer solchen kreuzspulenherstellenden Textilmaschine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021127096A1 (de) 2021-10-19 2023-04-20 Maschinenfabrik Rieter Ag Kreuzspulenherstellende Textilmaschine mit einer Vielzahl gleichartiger, nebeneinander angeordneter Arbeitsstellen und einer entlang der Arbeitsstellen verfahrbaren Bedieneinrichtung sowie Verfahren zum Betreiben einer solchen kreuzspulenherstellenden Textilmaschine
EP4169859A1 (fr) 2021-10-19 2023-04-26 Maschinenfabrik Rieter AG Machine textile fabriquant des bobines croisées avec une pluralité de postes de travail adjacents similaires et un dispositif de commande mobile le long des postes de travail, et procédé de fonctionnement d'une telle machine textile produisant des bobines croisées

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MX2020006489A (es) 2020-12-21
CN112111822A (zh) 2020-12-22
DE102019116627A1 (de) 2020-12-24
JP7494021B2 (ja) 2024-06-03
BR102020012098A2 (pt) 2020-12-29
CN112111822B (zh) 2023-07-18
US20200399794A1 (en) 2020-12-24
EP3754064B1 (fr) 2022-04-06
US11866854B2 (en) 2024-01-09
US20240102208A1 (en) 2024-03-28
PT3754064T (pt) 2022-06-21
JP2021001427A (ja) 2021-01-07

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