EP3070038B1 - Verfahren, vorrichtung und computerprogramm zur zuteilung von saugluft auf saugluft anfordernde arbeitsstellen einer textilmaschine - Google Patents

Verfahren, vorrichtung und computerprogramm zur zuteilung von saugluft auf saugluft anfordernde arbeitsstellen einer textilmaschine Download PDF

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Publication number
EP3070038B1
EP3070038B1 EP16000484.2A EP16000484A EP3070038B1 EP 3070038 B1 EP3070038 B1 EP 3070038B1 EP 16000484 A EP16000484 A EP 16000484A EP 3070038 B1 EP3070038 B1 EP 3070038B1
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EP
European Patent Office
Prior art keywords
negative pressure
demand
demands
textile machine
requirement
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
EP16000484.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3070038A1 (de
Inventor
Bodo Hansen
Günter Scheer
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.)
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Publication of EP3070038A1 publication Critical patent/EP3070038A1/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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/707—Suction generating system
    • 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
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • 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
    • 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
    • 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
    • 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 allocating suction air provided by a suction air system of a textile machine to suction jobs of the textile machine.
  • the invention also relates to a device, a controller and a computer program for carrying out at least parts of this method.
  • Textile machines such as e.g. Automatic winder and spinning machines consist of a large number of similar jobs that u.a. for their various work organs at least temporarily need suction, which is usually provided by one or more Saugluftanlagen the textile machine available, wherein below without limitation of generality for the sake of simplicity is always spoken of only a single Saugluftstrom.
  • winder machines typically include e.g. via a thread catching and cleaning nozzle, which on the one hand causes a cleaning of loose particles during the winding process and on the other hand exercises the security function to catch the lower thread at certain yarn breaks.
  • the thread-catching and cleaning nozzle is thus continuously supplied with suction air, at least during the regular winding operation.
  • the rotor cup of an open-end spinning machine during the regular spinning operation but also during the piecing process, continuously supplied with suction air.
  • these work organs require at least during a shutdown of the workplace, e.g. due to a recoverable only by intervention of the operator disturbance no suction.
  • suction nozzles of winding and spinning machines only for receiving the upper thread from the package in case of yarn breakage or a change of the supply medium (Kops- or spinning can change) or a change of the package are required.
  • the DE102006050220A1 has the solution of the just discussed DE19511960A1 then expanded for a priority-driven queue. Concerning. productivity Critical Saug Kunststoffan petitionen is given a higher priority than uncritical and waiting in the queue on suction jobs vacuum is allocated primarily according to their priority and secondarily then, for example, according to the order of their request input. In particular, the waiting times of scarce resources such as the responsible for several jobs operating units and operating personnel can be shortened.
  • the DE102006050220A1 manages the suction air requirements of the work organization at the workstation level. Specifically, it allows a maximum of Saug Kunststoffzu füren to a certain number of jobs. If this maximum number is reached, suction air requirements of further jobs are put into the queue. Suction air can not be allocated to a waiting workstation until one of the workplaces just supplied has finished its work for which it had requested the suction air, ie the workstation announces the termination of its previous intake air requirement.
  • the object is also achieved by a device for carrying out this method, characterized in that the device comprises one or more controls, which are provided for generating or for receiving and the method further processing of Saug Kunststoffanjoen the jobs of the textile machine.
  • the inventors have realized that it is not important for the decision as to whether a suction air requirement can still be operated within the maximum capacity of the suction air system, how many work stations have just been assigned suction air. Because the suction air requirement of a job varies greatly depending on which process the job is currently working on. However, it should be noted that the suction air requirement can change and even increase during the execution of a process. Therefore, it must be ensured during the intake air allocation that sufficient suction air is available throughout the process in order to be able to process the process completely. Because otherwise the process would have to be stopped in the middle because of Saugluftband and then be completely repeated, which would lead to delays and duplication.
  • the suction nozzle must first locate the upper thread on the package and insert it into the withdrawal tube projecting into the spinning rotor and the overlying removal rollers of the yarn removal device. After that, the suction nozzle is no longer needed, but the storage nozzle, which is the initial during run-up compensates for the speed differences between the initially faster take-off rollers and the package by pneumatically drawing in excess yarn in a loop of thread.
  • the invention thus provides that a workstation does not simply request suction air in the sense of a digital request or not, but rather qualifies its suction air requirement with regard to the planned course of its suction air requirement. It is therefore necessary to plan in advance how the demand for suction air will develop during the execution of the process that requires the suction air.
  • the information about the scheduled course of Saug Kunststoff kits e.g. consist only of the indication of the maximum required during the process to be processed Saugluft loc.
  • Piecing process requires e.g. The suction nozzle about four times as much suction as the storage nozzle, so that the maximum demand here occurs right at the beginning and the further need decreases after switching off the suction nozzle to about a quarter.
  • the entity that decides on the allocation of a suction air request uses the information about the suction air requirement to judge whether the suction air system can service this suction air requirement in addition to the already allocated within its maximum capacity.
  • this assessment consists e.g. It is to add the maximum demand of the new Saugluftanschreib to the sum of the maximum demand of the already-operated Saugluftan petitionen, and allot the Saugluftangins only when the total sum is still within the maximum capacity of the Saugluftstrom.
  • more qualified information about the suction requirement also belongs to the scope of the invention. It is thus also possible, for example, to specify this information in detail as a suction air requirement over the process time, that is to specify in detail already at the first suction air request, in which period from the allocation onwards which intake air requirement prevails and in particular when the process will be ended.
  • the decision-making authority can then very differentiated plan which Saugluftan beauten within the maximum capacity of the Saugluftstrom can be allocated in parallel.
  • this instance can then also take into account which allocation order would lead to an overall optimum productivity of the textile machine.
  • the information about the scheduled course of the suction air requirement of a Saug Kunststoffankar can be coded in this case in a suitable manner. So it is e.g. It is also possible to deposit the scheduled course of the suction air requirement of the individual processes in one or more central or also distributed in decentralized memories, which can be accessed by the Saug Kunststoffzutilinstanz. Then it suffices to say in the suction air request the requesting process e.g. identified by a short code and the arbitration instance then retrieves the scheduled course of the suction air requirement of this process from the corresponding memory.
  • the invention provides in a development that, in the course of processing an assigned Saugluftanzip entering their requesting job change the scheduled course of Saugluft workings is used to update the Saugluftanjpg, which updated Saugluftanmark then the further assessment whether new Saugluftanbigen be allocated can, is based.
  • the workstation control which controls the processing of the process supplied with suction air, any completion of a partial activity, whether planned or unscheduled, e.g. in an error situation, monitor and report any change in the further intake air demand caused thereby for the future to the metering instance. In the simplest case, this happens e.g. by reporting the changed maximum suction air requirement still required for the subsequent process execution.
  • the invention proposes in a special embodiment to express the suction air requirement and the maximum capacity of the suction air system in volume flow units.
  • volume flow units abbreviated VSE
  • VSE volume flow units
  • the suction nozzle requires e.g. 80 VSE
  • the storage nozzle only requires 20 VSE.
  • the suction air system of a specific type of textile machine can be used as a maximum capacity depending on the level of expansion, e.g. 600 or 1200 VSE.
  • a limiting situation of the method according to the invention results when the suction air requirement of an already assigned intake air requirement exceeds its original scheduled course as a result of an unscheduled event.
  • a detailed Saug Kunststoff officesinformation this has already been discussed above, if due to a repetition of the attempt of Oberfadenfiguration on the package higher suction demand of 80 VSE, for example, longer than planned, while the metering authority in anticipation of the released 60 VSE forgive these already anticipating other Saugluftan Kunststoffen Has. But even in the case of information only about the maximum planned requirement such situations may occur.
  • the thread may break again or the piecing of the thread inserted into the withdrawal tube may already fail at the fiber ring located in the rotor cup. In all these cases, the suction nozzle must be put back into operation and the Saug Kunststoff home the piecing process increases by this unscheduled event again from 20 to 80 VSE.
  • the invention proposes two variants.
  • the invention provides in the alternative variant, in a caused by an unscheduled event exceeding the original scheduled course of Saug Kunststoffes already assigned Saug Kunststoffankar this allocation to revoke, if otherwise the maximum capacity of the Saug Kunststoffstrom would be exceeded. If a continuation of this work process with unscheduled high intake air demand would therefore lead to exceeding the maximum capacity of the suction air system, the work process would be aborted and he would have to direct his suction request again to the arbitration instance to start again after allotment.
  • the invention can also be used with the primarily priority-controlled queue of the initially mentioned type DE102006050220A1 be combined.
  • the priority of the suction air requirements can be taken into account for the decision as to which of the suction air requirements that have not yet been assigned, and in particular be used as the first decision criterion.
  • the suction air requirements of the highest priority class can be allocated first, and if an allocation is not possible for all of these suction air requirements, these are assigned secondarily, for example, in the order of their receipt.
  • the invention would be based on the z.Z. widespread textile machines preferred realized that the generation of Saug Kunststoffanssenen the workstations controls would leave, which they would also send to the central control of the textile machine, after which the central control take over the further processing to the allocation.
  • the invention proposes to use the programmability of these controllers and to realize the invention in corresponding computer programs for these controllers.
  • the scope of the invention also includes the realization, for example, in a purely distributed control network.
  • the use of the workstations controls which inform each other about their Saug Kunststoffer and agree by negotiation by the inventive method, which Saug Kunststoffen are ripened ready.
  • the intelligence can even be located directly at the individual work organs.
  • bundling because of the context within a process and also certain centralizations because of the allocation of the central resource the suction system certainly makes sense. If several suction air systems are used in a larger textile machine, these central intelligences could also be duplicated per suction air system and bundled together with their control system.
  • FIG. 1 schematically a front view of an entire textile machine, more specifically an open-end spinning machine, and in FIG. 2 in a perspective view one of their jobs, so one of their spinning stations represented.
  • the invention implemented in computer programs, for example, can be used on the workstation controls and the central control of this textile machine.
  • FIG. 1 shows an open-end rotor spinning machine 5 with their jobs 1; End frames 31 and 32; as a cleaning and changer car 7 trained operating unit; Central control unit 10; Suction unit 20 with vacuum source 30, whose electric motor drive 29 and more precisely whose inverter is controlled via a control line 33 from the central control unit 10; as well as with CAN bus 28 to connect the (in Fig. 1 not designated) control devices 25 of the jobs. 1
  • FIG. 2 shows next to some already in FIG. 1 mentioned components a spinning station 1 with open-end spinning device 2; Yarn draw-off tube 21; Anspinnorgan 16; Thread monitor 26; Thread withdrawal device 27; by means of stepper motor 6 pivotable suction nozzle 4; Thread 9; pneumatically actuable storage nozzle 60; Paraffining device 17; Cross-wound bobbin 8, winding device 3 with creel 22, via a reversible single drive 56 acted upon drive drum 23 and driven by a stepping motor 57 Fadenchangier Anlagen 24; and a device 35 with pneumatic connection lines 11, 12 and 13 connected to the central suction air system via shut-off means 14 and 15, wherein the workstation control 25 inter alia for sending the Saugluftan Kunststoffen SD via the CAN bus 28 to the central control unit 10 and via the lines 18 and 19 is provided for controlling the shut-off means 14 and 15.
  • shut-off 15 unlike the DE102006050220A1 , but not in the common for suction nozzle 4 and storage nozzle 60 connecting line 13, but in the own for the storage nozzle 60 connecting line 11. This then also allows the Saugluftmakers only the suction nozzle 4 with separated by the blocking means 15 of the central suction system 20 storage nozzle 60th
  • FIG. 3 schematically shows the structure of three CAN telegrams, which would send a workstation controller 25 via the CAN bus 28 to the central controller 10. It is in the upper part of FIG. 3 the CAN message for the initial Saugluftangins before the start of a process, while the middle and the lower part of each update of the Saugluftangins after the occurrence of a change in the Job represents.
  • the telegrams first identify the requesting workstation and, within the workstation, the requesting process. Then, a distinction is made between initial request and update and the maximum suction air requirement expected during the course of the process, more precisely the intake air requirement change from the previous expectation, is specified.
  • the initial request still gives priority, since in this example a priority-driven queue is used.
  • the central controller 10 In the telegram structure shown here, in particular the request update, the central controller 10 only needs to remember the sum of all already assigned VSEs (and the waiting processes). Because the updates each indicate their Saug Kunststoff locs selectedung directly, and in this example, an update should always be allocated, the central controller 10 must only offset this each with the stored VSE sum to always know the current status of the assigned VSE. Similarly, when assigning the example 80 VSE of the initial Saugluftankar this is in fact just as a change in the total Saugluft loc. Here, too, the central controller 10 has to balance this 80 VSE only to the stored VSE sum.
  • the CAN telegram can still be simplified by omitting the process ID. This is e.g. possible if at work at the same time always only a single process is active or if the job 1 in the first lack of Saugluftzu whatsoever no further suction air requirements for more of their processes. Because then the job 1 is always clear which of their processes is still waiting for suction and the central controller 10 can manage the not yet rationsMail Saug Kunststoffan Kunststoffen purely using the workstation IDs in the queue.
  • FIG. 4 to illustrate the Saugluftzumilungsvons an example of a possible sequence of Saugluftan horren represents and indicates the operated work organs and the respective state of the queue.
  • the suction air system can provide a maximum of 600 VSE, is started in line 1 at time 1 by a starting situation of 540 VSE allocated, of which twice each 100 VSE on the high-priority cleaning and changer car RWW accounts, four times each 80 VSE on the suction nozzles SD, which are given low priority in the automatic piecing process, and once 20 VSE on a storage nozzle which is also prioritized in the automatic piecing process.
  • the queue is still empty.
  • a storage nozzle stops operating and releases its 20 VSEs. These are used to deliver the now totally free 80 VSE to the waiting high priority manual suction nozzle request from line 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • General Factory Administration (AREA)
  • Looms (AREA)
EP16000484.2A 2015-03-19 2016-03-01 Verfahren, vorrichtung und computerprogramm zur zuteilung von saugluft auf saugluft anfordernde arbeitsstellen einer textilmaschine Active EP3070038B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015003552.5A DE102015003552A1 (de) 2015-03-19 2015-03-19 Verfahren, Vorrichtung und Computerprogramm zur Zuteilung von Saugluft auf Saugluft anfordernde Arbeitsstellen einer Textilmaschine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102015003552 Previously-Filed-Application 2015-03-19

Publications (2)

Publication Number Publication Date
EP3070038A1 EP3070038A1 (de) 2016-09-21
EP3070038B1 true EP3070038B1 (de) 2019-07-17

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EP16000484.2A Active EP3070038B1 (de) 2015-03-19 2016-03-01 Verfahren, vorrichtung und computerprogramm zur zuteilung von saugluft auf saugluft anfordernde arbeitsstellen einer textilmaschine

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Country Link
EP (1) EP3070038B1 (zh)
JP (1) JP6856319B2 (zh)
CN (1) CN105984751B (zh)
DE (1) DE102015003552A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125672A1 (de) * 2019-09-24 2021-03-25 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine und eine Kreuzspulen herstellende Textilmaschine
DE102020106835A1 (de) 2020-03-12 2021-09-16 Maschinenfabrik Rieter Ag Verfahren zum Betreiben einer Textilmaschine und Textilmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19511960C2 (de) 1995-03-31 2003-08-28 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
DE19653617A1 (de) * 1996-12-20 1998-06-25 Schlafhorst & Co W Verfahren zum Regeln des Unterdrucks in einer Saugluftanlage einer Textilmaschine
JPH11292399A (ja) * 1998-04-14 1999-10-26 Murata Mach Ltd ブロアを備えた巻取装置
DE102006050220B4 (de) 2006-10-25 2014-02-27 Saurer Germany Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
DE102007006679B4 (de) * 2007-02-10 2018-05-30 Saurer Germany Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine
IT1403276B1 (it) * 2010-12-20 2013-10-17 Savio Macchine Tessili Spa Sistema di pulizia individuale per unita' di roccatura
ITMI20120638A1 (it) * 2012-04-18 2013-10-19 Savio Macchine Tessili Spa Dispositivo di separazione delle polveri dai filacci per la raccolta e il recupero degli sfridi di roccatura e roccatrice con tale dispositivo
DE102012008691A1 (de) * 2012-04-28 2013-10-31 Oerlikon Textile Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben von Arbeitsstellen einer Offenend-Rotorspinnmaschine
DE102013003285A1 (de) * 2013-02-26 2014-08-28 Saurer Germany Gmbh & Co. Kg Verfahren zum Optimieren des Unterdrucks in einer Saugluftanlage einer Kreuzspulen herstellenden Textilmaschine

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CN105984751A (zh) 2016-10-05
JP6856319B2 (ja) 2021-04-07
CN105984751B (zh) 2019-03-01
JP2016176174A (ja) 2016-10-06
EP3070038A1 (de) 2016-09-21
DE102015003552A1 (de) 2016-09-22

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