EP3279123B1 - Verfahren und vorrichtung zum zuführen von leeren rohren an versorgungsvorrichtungen einer textilmaschine - Google Patents

Verfahren und vorrichtung zum zuführen von leeren rohren an versorgungsvorrichtungen einer textilmaschine Download PDF

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Publication number
EP3279123B1
EP3279123B1 EP17184439.2A EP17184439A EP3279123B1 EP 3279123 B1 EP3279123 B1 EP 3279123B1 EP 17184439 A EP17184439 A EP 17184439A EP 3279123 B1 EP3279123 B1 EP 3279123B1
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EP
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Prior art keywords
tube
attending
tubes
conveyor
devices
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EP17184439.2A
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English (en)
French (fr)
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EP3279123A1 (de
Inventor
Pavel Kucera
Petr Poznik
Helmut Haunschild
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Rieter CZ sro
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Rieter CZ sro
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/068—Supplying or transporting 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a method for supplying empty tubes to attending devices of a textile machine, particularly of a spinning machine, in which empty tubes are supplied unidirectionally by means of a conveyor to the workstations of the textile machine, at which the attending devices requesting a new tube are positioned.
  • the invention relates to a device for supplying empty tubes to at least two attending devices arranged displaceably along at least one row of workstations of a textile machine, particularly of a spinning machine, in which each row of the workstations is provided with a container of empty tubes and a one-way conveyor of empty tubes, whereby the machine is equipped with a control unit which is coupled to the individual workstations of the machine, to the tube container, to the tube conveyor for the respective side of the machine and to the attending devices.
  • Automatic spinning machines which wind the spun-out yarn in their winding device on a final bobbin are usually equipped with several attending devices moving along rows of workstations.
  • FIG. 1 schematically represents a part of the spinning machine according to the background art and comprising a row of workstations A1 to A13 , whereby a one-way container C of the tubes D is provided at the end B of the machine. Next to the container C is located a belt conveyor E of the tubes which extends along a row of the workstations A . Three attending devices G are located on the travel rail F .
  • the attending device G2 moves to the workstation A9 and via the control unit of the machine requests supplying the tube D .
  • the tube D1 is placed by the container C on the conveyor E , which transports it in the direction S of its movement to the workstation A9 .
  • the attending device G1 stops at the workstation A4 and requests the tube D as well.
  • control unit evaluates the mutual position of the workstations A4 and A9 with the attending devices G1 , G2 , G3 positioned at the workstations A4 and A9 and suppresses the request of the attending device G1 and the tube D1 removal from the conveyor E is not allowed until the attending device G2 receives the tube D1 , or, optionally, until the tube D1 has passed by the attending device G1 .
  • the goal of the present invention is to improve the time utilization of the attending devices when replacing fully wound bobbins with empty tubes at the workstations of spinning machines.
  • the goal of the invention is achieved by a method for supplying empty tubes according to independent claim 1 and by a device for supplying empty tubes according to independent claim 7.
  • the principle of the method consists in that during the presence of at least one tube on the running conveyor and the simultaneous request of another attending device for supplying a tube, another tube is placed on the running conveyor and at least the mutual position of the machine workstations requesting a new tube, at which the attending devices are positioned, is evaluated and the control unit makes the decision on optimal assignment of the tubes present on the running conveyor to the attending devices requesting for a new tube with respect to the optimal use of the working time of the machine.
  • Another improvement is achieved in an advantageous embodiment, when prior to making the decision on the optimal order of assigning the tubes present on the running conveyor to the attending devices requesting a new tube the actual time point of the need for an empty tube and the current position of the tubes on the conveyor are evaluated.
  • the principle of the device for supplying empty tubes consists in that the control unit is provided with a decision algorithm for the optimal order of assignment of the tubes present on the conveyor to the individual attending devices requesting a new tube on the basis of at least the mutual comparison of the positions of the workstations of the machine, at which the attending devices requesting a new tube are positioned.
  • the decision algorithm is also provided with data sets for evaluating the actual time point of the need for empty tubes and the position of the tubes on the conveyor, whereby these data sets preferably contain information about types of the attending operations of the attending devices and their duration.
  • the decision algorithm is provided with data sets for evaluating the colour of the tube and its assignment to certain workstations.
  • Fig. 1 schematically represents a plan view of a part of one row of workstations of a spinning machine provided with three attending devices according to the background art.
  • the device according to the present invention is schematically represented in a plan view of Fig. 2
  • Fig. 3 is a block diagram of the mutual relation of the attending devices, a device for placing empty tubes on one-way conveyor and the control unit of the machine
  • Fig. 4 shows a table schematically illustrating examples of assignment of the tubes to the three attending devices according to their requirements, only considering the mutual position of the workstations and the current position of the tubes on the conveyor.
  • Fig. 2 schematically represents a part of a spinning machine equipped with a device according to the invention for improving the supply of empty tubes to attending devices which are able to move to the individual workstations of the machine.
  • the transport of fully wound bobbins from the workstation of the machine is not the subject of the device according to the present invention.
  • Figs. 2 and 3 show one row 1 of the workstations 11nn of the spinning machine 100 , which are in the illustrated embodiment attended to by three attending devices 2 , 3 , 4 .
  • the attending devices move along the row 1 of the workstations 11 along a guide rail 10 .
  • Each attending device 2 , 3 , 4 has its location and a range of motion, these parameters being adjustable.
  • a container 102 of empty tubes 5 is arranged at the end 101 of the machine 100 .
  • an endless one-way conveyor 6 of the tubes 5 is located along the row 1 of the workstations 11 , whose storage surface is within reach from an unillustrated handling means of the attending devices 2 , 3 , 4 . If all the preceding requests for an empty tube have been fulfilled, the conveyor is standing, whereby only one tube is ready on it outside the working area of the attending devices. With the number of three attending devices on one side of the machine, up to three tubes 5 can be transported on the conveyor 6 at the same time.
  • the attending device 2 , 3 , 4 comprises handling means 7 for stopping the empty tube 5 transported by the conveyor 6 and for its transfer to a standby position on the attending device 2 , 3 , 4 .
  • These known unillustrated means include a stop means 71 , which stops the tube 5 on the conveyor 6 relative the standing attending device, and a gripping means 72 , which transfers it to the above-mentioned standby position on the attending device 2 , 3 , 4 and, if necessary, inserts it into the winding device of the workstation 11nn .
  • the attending devices 2 , 3 , 4 and all the workstations 11nn of the spinning machine 100 are connected via bidirectional lines 21 , 31 , 41 to the control unit 8 of the spinning machine 100 , to which is also connected an unillustrated device 9 for transferring the empty tubes 5 on the one-way conveyor 6 via the line 81 , as well as other unillustrated means of the spinning machine 100 .
  • the first attending device 2 is situated near the container 102 next to the workstation 1103 in the direction away from the container 102 of the empty tubes 5 .
  • the second attending device 3 is situated downstream of the first attending device 2 , as shown in Fig. 2 , next to the workstation 1116 .
  • the third attending device 4 is situated at the workstation 1149 , downstream of the second attending device 3 , operating to look after the end portion of the row 1 of the workstations 11nn .
  • the attending devices 2 , 3 , 4 positioned at the workstations 11nn carry out various other attending operations (the cleaning of the workstations by blowing, detecting the yarn end and sucking it in, etc.). From the point of view of idle time, that is with respect to the efficiency of the machine, it is necessary to bring every non-spinning workstation, including a workstation with a fully wound bobbin, to production mode as soon as possible. Optimized transport of the empty tubes to the workstations 11nn contributes significantly to achieving this goal.
  • the workstation 1117 it is necessary to replace a fully wound bobbin with an empty tube 5 , or just insert the empty tube 5 into the winding device of the workstation, or transfer the empty tube 5 into a standby position of the attending device.
  • the second attending device 3 moves to this workstation 1117 and requests an empty tube 5 .
  • the conveyor 6 with the first tube 51 intended for the second attending device 3 starts moving.
  • the waiting second attending device 3 initially inserts its reserve tube 5 into the winding device of the workstation 1117 and performs further operations.
  • its unillustrated stop means 71 is extended to the area of the conveyor 6 .
  • the first attending device 2 stops at the workstation 1103 and before the preceding request of the attending device 3 has been fulfilled, requests an empty tube 5 .
  • the second tube 52 from the container 102 is placed on the running conveyor 6 .
  • the control unit 8 evaluates the optimal assignment of the tubes 51 , 52 to the attending devices 2 , 3 with respect to their mutual position and other criteria being judged.
  • the control unit 8 leaves the first tube 51 for the second attending device 3, and the tube 52 is assigned to the first attending device 2 .
  • the stop means 71 of the second attending device 3 may remain extended, whereas the stop means 71 of the first attending device 2 will be retracted until the first tube 51 has passed by it, whereupon it is extended.
  • both the attending devices 2 and 3, that is to say, the attending devices positioned at the specified workstations 1117 , 1103 wait for the delivery of the empty tubes intended for them - the second attending device 3 waiting for the tube 51 and the first attending device 2 waiting for the tube 52 .
  • the first attending device 2 stops at the workstation 1103 and requests an empty tube.
  • the conveyor with the first tube 51 intended for the first attending device 2 starts moving.
  • the first attending device 2 is waiting for the tube 51 , its unillustrated stop means being extended to the area of the conveyor 6 . Simultaneously, it inserts its reserve tube 5 into the winding device of the workstation 1103 and performs further operations.
  • the second attending device 3 stops at this workstation 1117 and before the preceding request has been fulfilled, requests an empty tube 5 .
  • the second tube 52 is placed on the running conveyor 6 .
  • the control unit 8 evaluates the optimal assignment of the tubes to the attending devices 2 , 3 , whereby two alternatives of fulfilling these requests may occur.
  • the first tube 51 will be intended for the second attending device 3 and the second tube 52 will be intended for the first attending device 2 .
  • the target attending devices since originally the first tube 51 was intended for the first attending device 2 , but after receiving the request from the second attending device 3 and after the decision according the decision algorithm, the first tube 51 will be intended for the second attending device 3 and the second tube 52 for the first attending device 2 .
  • the stop means 71 of the first attending device 2 must be retracted and after the passage of the first tube 51 intended for the second attending device 3 it must be extended. The attending devices 2 and 3 will wait for the delivery of the empty tubes 51 , 52 intended for them.
  • the first tube 51 will still be intended for the first attending device 2 and the second tube 52 will be intended for the second attending device 3 .
  • the stop means 71 of the first attending device 2 stops the first tube 51 on the conveyor 6 , whereupon after it is removed by the gripping means 72, the stop means 71 of the attending device 2 is retracted, the stop means 71 of the second attending device 3 may be extended immediately.
  • the attending devices 2 and 3 wait for the delivery of the empty tubes 51 , 52 intended for them.
  • the third attending device 4 stops at this workstation 1149 and requests an empty tube.
  • the conveyor with the first tube 51 intended for the third attending device 4 starts moving.
  • the third attending device 4 is waiting for the tube 51 , its unillustrated stop means 71 being extended to the area of the conveyor 6 .
  • it inserts its reserve tube 5 into the winding device of the workstation 1149 and carries out further operations.
  • the first attending device 2 stops at this workstation 1103 , and before the preceding request has been fulfilled, requests an empty tube 5 .
  • the second tube 52 is placed on the running conveyor 6 .
  • the control unit 8 evaluates the optimal assignment of the tubes to the attending devices 2 , 4 . After the evaluation of the current position of the workstations being attended to and the current position of the tubes on the tube conveyor, the tube 51 will be intended for the third attending device 4 and the tube 52 for the first attending device 2.
  • the first attending device 2 is waiting for the tube 52 , extending the stop means to the area of the conveyor 6 only after the passage of the first tube 51 intended for the third attending device 4 . Simultaneously, it inserts its reserve tube 5 into the winding device of the workstation 1103 and performs other operations.
  • the control unit 8 evaluates the optimal assignment of the tubes to the attending devices 2 , 3 , 4 . If we use for the evaluation only the current position of the workstations being attended to and the current position of the tubes on the tube conveyor, there may be two alternatives of meeting these requirements.
  • the first tube 51 will be still intended for the third attending device 4
  • the second tube 52 will be in this case intended for the second attending device 3
  • the third tube 53 will be intended for the first attending device 2 .
  • the stop means 71 of the third attending device 4 will remain extended, while the stop means 71 of the second attending device 3 will not be extended until the first tube 51 has passed by it, and finally the stop means 71 of the first attending device 2 will not be extended until the passage of the first tube 51 and the second tube 52 .
  • the attending devices 2 , 3 and 4 will wait for the delivery of the empty tubes 51 , 52 and 53 intended for them.
  • the first tube 51 will be intended for the third attending device 4
  • the second tube 52 will be intended for the first attending device 2
  • the third tube 53 will be intended for the second attending device 3
  • the stop means 71 of the third attending device 4 will remain extended, the stop means 71 of the first attending device 2 will be extended only after the first tube 51 has passed by it and the stop means 71 of the second attending device 3 will be extended only after the passage of the first tube 51 .
  • the second tube 52 is initially removed by the first attending device 2 and only then the third tube 53 for the attending device 3 moves past the first attending device 2 .
  • the attending devices 2 , 3 , and 4 wait for the delivery of the empty tubes 51 , 52 and 53 intended for them.
  • the algorithm for the optimal order of assignment of the tubes 5 present on the conveyor 6 to the individual attending devices 2 , 3 , 4 requesting a new tube 5 which contributes to the optimal use of the time of the spinning machine 100 , in this manner decides about the order of supplying the attending devices 2 , 3 , 4 with the empty tubes 5 .
  • the criteria such as, first of all, the current mutual comparison of the positions of the attending devices 2 , 3 and 4 , their current attending operation and expected duration of this operation, the following attending operation expected, the actual time point of the request for an empty tube, the current position of the tubes 5 on the conveyor 6 , or, as the case may be, other criteria, such as different colours of the tubes 5 from the point of their assignment to certain workstations, etc.
  • the operation of the device according to the invention is schematically represented in a table in Fig. 4 , wherein only the mutual position of the workstations being attended to and the current position of the tubes 5 on the conveyor 6 are evaluated.
  • the attending devices 2 , 3 , 4 which are in the direction away from the container 102 of the empty tubes 5 arranged in ascending order according to their reference numerals.
  • the attending devices 2 , 3 , 4 are arranged according to the order in which the requests for an empty tube 5 were made.
  • Indicated in the other tree columns are the variants of assignment of the tubes 51 , 52 , 53 to the respective attending device 2 , 3 , 4 according to the criteria which are evaluated by the control unit 8 of the spinning machine 100 .
  • the respective tube 5 intended for the attending device 2 , 3 , 4 with a failure to remove the tubes is transported to the end of the textile machine, where is located a collecting vessel (not shown) into which the unremoved tube is then placed.
  • the respective tube 5 which is intended for the defective attending device 2 , 3 , 4 failing to remove the tubes 5 , is transported to the initial position on the conveyor 6 , for example, by reverse movement of the conveyor 6 , where it waits until it is requested by another attending device 2 , 3 , 4 .
  • the new tube 5 is not placed on the conveyor 6 and the operation of the device is started, i.e., the transport of the tubes according to the present invention begins.
  • the invention is not limited to three attending devices. Using three attending devices serves only as a basic example of embodiment used here to explain the principle of the invention, and the actual number of the attending devices used in the machine depends on the specific requirements of the machine and automation of its operation.

Landscapes

  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (10)

  1. Verfahren zur Zuführung von leeren Hülsen (5) zu den Wartungseinrichtungen (2, 3, 4) einer Textilmaschine, insbesondere einer Spinnmaschine (100), bei dem die Hülsen (5) mit Hilfe eines Förderers (6) in einer Richtung zu den Arbeitsplätzen (1101-1151-11nn) der Textilmaschine (100) zugeführt werden, bei denen die Wartungseinrichtungen (2, 3, 4) anwesend sind, die eine neue Hülse (5) erfordern, dadurch gekennzeichnet, dass während der Anwesenheit von mindestens einer Hülse (5) auf dem laufenden Förderer (6) und unter der gleichzeitigen Anforderung der weiteren Wartungseinrichtung (2, 3, 4) bezüglich der Zuführung der Hülse (5) auf den laufenden Förderer (6) eine weitere Hülse (5) gelagert wird, wobei mindestens gegenseitige Lage der Arbeitsplätze (1101-11nn) der Maschine ausgewertet wird, bei denen die Wartungseinrichtungen (2, 3, 4) anwesend sind, die eine neue Hülse (5) erfordern, und in Bezug auf die optimale Ausnutzung der Maschinenarbeitszeit über optimale Reihenfolge der Zuordnung von auf dem laufenden Förderer (6) anwesenden Hülsen (5) den einzelnen Wartungseinrichtungen (2, 3, 4) entschieden wird, die eine neue Hülse (5) erfordern.
  2. Verfahren nach dem Anspruch 1, dadurch gekennzeichnet, dass vor der Entscheidung über eine optimale Reihenfolge der Zuordnung von auf dem laufenden Förderer (6) anwesenden Hülsen (5) den Wartungseinrichtungen (2, 3, 4), die eine neue Hülse (5) erfordern, weiter der Ist-Zeitpunkt des Bedarfs einer leeren Hülse (5) und Ist-Lagen der Hülsen (5) auf dem Förderer (6) ausgewertet werden.
  3. Verfahren nach dem Anspruch 2, dadurch gekennzeichnet, dass der Ist-Zeitpunkt des Bedarfes einer leeren Hülse (5) aufgrund der aktuellen und/oder zukünftigen Wartungstätigkeit der jeweiligen Wartungseinrichtung (2, 3, 4) und der vorausgesetzten Dauer dieser Tätigkeit/dieser Tätigkeiten ausgewertet wird.
  4. Verfahren nach dem Anspruch 1, dadurch gekennzeichnet, dass vor der Entscheidung über optimale Reihenfolge der Zuordnung von auf dem laufenden Förderer (6) anwesenden Hülsen (5) den einzelnen Wartungseinrichtungen (2, 3, 4), die eine neue Hülse (5) erfordern, die Farbe der Hülse (5) für ihre Zuordnung den entsprechenden Arbeitsplätzen (11nn) ausgewertet wird.
  5. Verfahren nach einem der vorangehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ob die Wartungseinrichtungen (2, 3, 4), die eine neue Hülse (5) erfordern, nach der Lagerung der Hülse (5) auf den Förderer (6) nicht fähig sind, diese Hülse (5) zu entnehmen, entnehmen die sonstigen Wartungseinrichtungen die ihnen bestimmten Hülsen ohne Unterbrechung, wobei die Hülse (5), die für angeführte Wartungseinrichtung (2, 3, 4) mit der Störung der Entnahme von Hülsen (5) bestimmt ist, ans Ende der Textilmaschine in einen Sammelbehälter gefördert wird.
  6. Verfahren nach einem der vorangehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass ob die Wartungseinrichtungen (2, 3, 4), die eine neue Hülse (5) erfordern, nach der Lagerung der Hülse (5) auf den Förderer (6) nicht fähig sind, diese Hülse (5) zu entnehmen, entnehmen die sonstigen Wartungseinrichtungen die ihnen bestimmten Hülsen ohne Unterbrechung, wobei die Hülse (5), die für angeführte Wartungseinrichtung (2, 3, 4) mit der Störung der Entnahme von Hülsen (5) bestimmt ist, in die Anfangslage auf dem Förderer (6) gefördert wird, wo sie auf die Anforderung durch weitere Wartungseinrichtung (2, 3, 4) wartet.
  7. Einrichtung zur Zuführung von leeren Hülsen (5) zu mindestens zwei Wartungseinrichtungen (2, 3, 4), die entlang mindestens einer Reihe der Arbeitsplätze (1101 - 11nn) der Textilmaschine, insbesondere einer Spinnmaschine (100), verstellbar angeordnet sind, bei der jeder Reihe der Arbeitsplätze (1101 - 11nn) ein Behälter (102) mit leeren Hülsen (5) und ein Eine-Richtung-Förderer (6) von leeren Hülsen (5, 51, 52, 53) zugeordnet sind, wobei die Maschine eine Steuereinheit (8) aufweist, die mit einzelnen Arbeitsplätzen (11nn), mit dem Behälter (102) von Hülsen (5) und mit dem Förderer (6) von Hülsen für die jeweilige Seite der Maschine (100) und mit den Wartungseinrichtungen (2, 3, 4) verkoppelt ist, dadurch gekennzeichnet, dass die Steuereinheit (8) einen Entscheidungsalgorithmus zur Bestimmung der optimalen Reihenfolge der Zuführung von auf dem Förderer (6) anwesenden Hülsen (5) den einzelnen Wartungseinrichtungen (2, 3, 4), die eine neue Hülse (5) erfordern, aufgrund mindestens eines gegenseitigen Vergleichs der Lagen von Arbeitsplätzen (11nn) der Maschine aufweist, bei denen die Wartungseinrichtungen (2, 3, 4) anwesend sind, die eine neue Hülse (5) erfordern.
  8. Einrichtung nach dem Anspruch 7, dadurch gekennzeichnet, dass der Entscheidungsalgorithmus weiter die Dateien zur Auswertung des Ist-Zeitpunktes des Bedarfes der leeren Hülse (5) und der Lage der Hülsen (5) auf dem Förderer (6) aufweist.
  9. Einrichtung nach dem Anspruch 8, dadurch gekennzeichnet, dass die Dateien zur Auswertung des Ist-Zeitpunktes des Bedarfs einer leeren Hülse (5) die Informationen über Arten der Wartungstätigkeit und ihre Dauer enthalten.
  10. Einrichtung nach dem Anspruch 7, dadurch gekennzeichnet, dass der Entscheidungsalgorithmus weiter die Dateien zur Auswertung der Farbe der Hülse und ihrer Zuordnung bestimmten Arbeitsplätzen (11nn) aufweist.
EP17184439.2A 2016-08-05 2017-08-02 Verfahren und vorrichtung zum zuführen von leeren rohren an versorgungsvorrichtungen einer textilmaschine Active EP3279123B1 (de)

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CZ2016-478A CZ2016478A3 (cs) 2016-08-05 2016-08-05 Způsob a zařízení k dodávání prázdných dutinek obslužným zařízením textilního stroje

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EP3279123B1 true EP3279123B1 (de) 2019-02-20

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JP (1) JP6968612B2 (de)
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DE102018121982A1 (de) * 2018-09-10 2020-03-12 Maschinenfabrik Rieter Ag Verfahren zum Zuführen einer Hülse zu einer Seite einer zweiseitigen Textilmaschine sowie Vorrichtung zum Zuführen einer Hülse zu einer Seite einer zweiseitigen Textilmaschine
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DE102019122881A1 (de) * 2019-08-27 2021-03-04 Saurer Spinning Solutions Gmbh & Co. Kg Hülsenversorgungseinrichtung für eine Kreuzspulen herstellende Textilmaschine

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CN107686030A (zh) 2018-02-13
CZ307257B6 (cs) 2018-05-02
CN107686030B (zh) 2021-03-09
EP3279123A1 (de) 2018-02-07
CZ2016478A3 (cs) 2018-05-02
JP6968612B2 (ja) 2021-11-17

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