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EP2738123A2 - Procédé de régulation de l'accélération d'un rouleau d'entraînement de bobine - Google Patents

Procédé de régulation de l'accélération d'un rouleau d'entraînement de bobine Download PDF

Info

Publication number
EP2738123A2
EP2738123A2 EP13005339.0A EP13005339A EP2738123A2 EP 2738123 A2 EP2738123 A2 EP 2738123A2 EP 13005339 A EP13005339 A EP 13005339A EP 2738123 A2 EP2738123 A2 EP 2738123A2
Authority
EP
European Patent Office
Prior art keywords
acceleration
drive roller
package
bobbin drive
bobbin
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
EP13005339.0A
Other languages
German (de)
English (en)
Other versions
EP2738123A3 (fr
EP2738123B1 (fr
Inventor
Torsten Forche
Manfred Mund
Bernd-Rüdiger Theele
Hans-Günter Wedershoven
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 Germany 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 Germany GmbH and Co KG filed Critical Saurer Germany GmbH and Co KG
Publication of EP2738123A2 publication Critical patent/EP2738123A2/fr
Publication of EP2738123A3 publication Critical patent/EP2738123A3/fr
Application granted granted Critical
Publication of EP2738123B1 publication Critical patent/EP2738123B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/42—Arrangements for rotating packages in which the package, core, or former is rotated by frictional contact of its periphery with a driving surface
    • 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
    • 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 controlling the acceleration of a bobbin drive roller at a workstation of a cross-wound producing textile machine, wherein the bobbin drive roller drives a package friction frictionally.
  • Cheese-making textile machines have long been known; They usually consist of a large number of similar workstations arranged next to each other in series. On the jobs, for example, an automatic winder spinning cops that have relatively little thread material, rewound to large-volume cheeses, which are required in the production process downstream textile machines, such as looms.
  • such winding units are also present in other textile machines, for example in rotor spinning machines, friction spinning machines or air spinning machines in connection with spinning stations, in order to allow the winding of cheeses.
  • Thread supplier is then instead of a spinning cop or a supply spool the appropriate spinning station.
  • the cheese referred to in this context as a package
  • a job is driven at the periphery by a coil drive roller.
  • the bobbin drive roller may be formed, for example, as a yarn guide drum and leads the yarn during the winding process before emergence on the cross-wound bobbin back and forth.
  • the thread is changed by means of a separate thread guide in front of the cross-wound bobbin, wherein the bobbin drive roller is then not provided with Faden arrangementsnuten.
  • the yarn quality of the pre-winder is improved by cleaning out yarn defects, for example from thick and thin areas.
  • the current thread is monitored by a so-called thread cleaner, which initiates a cleaning step and a cleaning of the thread error when discovering a thread error.
  • run-up is divided into two phases.
  • the first phase of the run-up is referred to as a soft start and includes the acceleration of the bobbin drive roller, for example, up to the yarn speed of 100 m * min -1 .
  • the further acceleration, until reaching the winding speed, is called run-up and is the subject of the present invention.
  • Such a method for controlling the winding speed or the acceleration to the winding speed is the DE 42 30 984 C2 removable.
  • this patent application it is disclosed that several start-up acceleration commands with different characteristics of the startup speeds whose slopes are below a limit value are stored in a central control unit. Before start of winding, the start-up acceleration command is selected with the steepest increase in speed, in which disadvantages, such as too high slip or yarn breaks, are still avoided.
  • a disadvantage of this known method is that one must be selected by the operator from predetermined characteristics and this characteristic specifies an acceleration that was not determined individually for the respective package.
  • predetermined characteristics can only cover areas to which the packages are then assigned and are therefore not always optimal.
  • manual entry also always entails the risk that errors will be made and a wrong characteristic curve selected.
  • the invention has the object to further optimize the winding process, in particular to improve the acceleration of the package to the winding speed.
  • the bobbin drive roller is sequentially accelerated to predetermined acceleration levels, the angular velocities of both the bobbin drive roller and the package are detected and compared with each other and depending on the result of this comparison, the acceleration to the next acceleration stage is started and in the last third of the run-up within a Acceleration stage, the time is measured until one of the package and the bobbin drive roller the synchronization of the peripheral speeds representing value or an adjustable value is achieved below, and that at a predetermined deviation from a target period of the start of the acceleration stages, that is, a limit for the peripheral speed or Circumferential acceleration is changed for the following startup processes.
  • This type of acceleration of the bobbin drive roller with constantly changing slip is ideal for avoiding winding patterns even during run-up.
  • the comparison of the angular speeds of the package and the bobbin drive roller, which correlate with the peripheral speeds, is the basis for the initiation of the next acceleration stage and ensures that only the next acceleration stage is initiated when either the package falls below an acceleration value or a speed difference to the bobbin drive roller.
  • the so-called ramp-up time value determined in this way is an indication of how much slippage set in at the end of the ramp-up and allows conclusions to be drawn the possible acceleration without loss of quality.
  • the comparison of the time duration until a value representing the synchronization of the peripheral speeds of the package and the bobbin drive roller or an adjustable value below is reached, with a set value can be used in the context of a control loop. In this case, a change takes place when the inertia of the coil has increased as a result of the winding progress, so that the slip approaches a detrimental level or the slip is also influenced by winding-specific events (eg failure or fluctuation of the paraffin application).
  • the time required to reach a value representing the tracking of the peripheral speeds of the bobbin drive roller through the package or a more adjustable value below is determined only in the last stage of acceleration in which the bobbin drive roller reaches the final winding speed, since At the end of the run-up, the safest value can be determined and, if the correction is necessary, the least loss of production can be expected.
  • this acceleration stage there is no intervention in the run-up, for example, by unnecessary extension of an intermediate stage for the acceleration time determination, since this is extended anyway to the final production speed. Furthermore, aborted ramp-ups that would falsify the result are not recorded thereby and thus are not included in the regulation of the acceleration.
  • the start of the acceleration stages is delayed by a predetermined value when the set time period is exceeded, so that the slip decreases.
  • claim 4 discloses that, however, when the setpoint time span is undershot, the acceleration stages are started by a predefinable value, so that the ramp-up time is shortened.
  • the target time period is repeatedly measured before an adjustment taking into account the current winding conditions. This procedure ensures that it is not frequently switched back and forth between different settings due to so-called outliers. So only certain deviations are taken into account.
  • FIG. 1 shows that at each workstation from a feed bobbin 1, in particular a spinning cop generated on a ring spinning machine, a yarn 2 is withdrawn, which is wound onto a cheese 3, for example a conical cheese.
  • the cross-wound bobbin 3 which is held by means of a pivotable creel, not shown, rests on a bobbin drive roller 4, in particular on a so-called yarn guide drum, by means of which the cheese 3 rotates and the yarn 2 in the axial direction of the cross-wound bobbin 3 is supplied.
  • Conceivable in the context of the present invention but would also be another type of Fadenchangier observed, for example, a so-called Fingerfaden discussing.
  • the yarn 2 which is usually a yarn formed on a ring spinning machine, passes through a yarn guide 5, a controlled yarn tensioner 6, a yarn tension sensor 9 and a sensor in the form of a cleaner 8.
  • Der Thread tensioner 6 acts on the running thread 2 with a predetermined clamping force.
  • the cleaner 8 monitors the running thread 2 for errors, especially on thick or thin areas.
  • a paraffin worker 14 and optionally another yarn guide 10 are arranged in the yarn path after the yarn tension sensor 9, a paraffin worker 14 and optionally another yarn guide 10 are arranged.
  • paraffin wax 14 paraffin particles are applied to the yarn, which improve the running and sliding properties of the yarn, which is of considerable importance in particular in subsequent processing operations, for example in knitting and knitting.
  • the thread tensioner 6, the thread tension sensor 9, the cleaner 8 and a splicer 7 for connecting the thread ends before the next run-up are connected to a control and regulation unit 11, a so-called workstation computer.
  • the bobbin drive roller 4 of each work station is driven by its own drive motor 12, which is equipped with a speed control, in particular a Trommelmotorendnote13.
  • the control of the Trommelmotorendrun 13 is carried out by the workstation computer 11 in dependence on job-specific parameters such as the thread tension.
  • An unillustrated central computer of the automatic winder is connected, for example via a bus line with the workstation computers 11 of the numerous jobs.
  • the running yarn 2 is interrupted by a cleansing cut and the defective yarn piece is cut out.
  • the package 3 is lifted from the bobbin drive roller 4 and both package 3 and bobbin drive roller 4 are braked to a standstill.
  • the now existing two thread ends are connected to each other by means of a known splicer 7.
  • the package 3 is lowered back to the bobbin drive roller 4 and the bobbin drive roller 4 is accelerated. Up to a yarn speed of, for example, 100 m * min -1 , the so-called soft start takes place, after which the startup according to the invention follows.
  • the bobbin drive roller 4 is accelerated to a predetermined level and remains there.
  • the peripheral speed or the circumferential acceleration of the package 3 is detected. For example, if the acceleration of the package 3 falls below a limit, the next acceleration stage starts. Once the bobbin drive roller 4 has reached the final winding speed, is no longer accelerated and it is detected, the time required for the package 3 to also reach their final winding speed. This ramp-up time is compared with a so-called ramp-up time limit. If, for example, the ramp-up time limit value is 900 ms and the run-up time of the package 3 took 1000 ms, the acceleration for the subsequent run-ups is reduced, that is, the acceleration stages are delayed. The acceleration time value is recorded after every completed startup.
  • FIG. 2 illustrates, for example, a change in the limits of the acceleration of the package 3, which initiate the next acceleration stage of the bobbin drive roller 4, which essentially adjusts itself depending on the package diameter on the basis of the ramp-up time according to the invention.
  • the acceleration limits of the package 3 are shown on the ordinate.
  • the abscissa scales the package diameter starting with the diameter of the empty shell.
  • the acceleration of the spool drive roller is carried out on the basis of stored, part-related specifications. As a rule, this corresponds to the maximum acceleration of the engine. After a small number of completed ramp-ups with corresponding time recording and comparison with a set time period, a regulation of the acceleration stages then takes place on the basis of the determined results for the next ramp-up.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Winding Filamentary Materials (AREA)
EP13005339.0A 2012-12-01 2013-11-13 Procédé de régulation de l'accélération d'un rouleau d'entraînement de bobine Active EP2738123B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012023558.5A DE102012023558A1 (de) 2012-12-01 2012-12-01 Verfahren zum Regeln der Beschleunigung einer Spulenantriebswalze

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
DE102012023558 Previously-Filed-Application 2012-12-01

Publications (3)

Publication Number Publication Date
EP2738123A2 true EP2738123A2 (fr) 2014-06-04
EP2738123A3 EP2738123A3 (fr) 2015-03-25
EP2738123B1 EP2738123B1 (fr) 2016-03-23

Family

ID=49709415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13005339.0A Active EP2738123B1 (fr) 2012-12-01 2013-11-13 Procédé de régulation de l'accélération d'un rouleau d'entraînement de bobine

Country Status (4)

Country Link
EP (1) EP2738123B1 (fr)
JP (1) JP6230888B2 (fr)
CN (1) CN103848278B (fr)
DE (1) DE102012023558A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018112797A1 (de) * 2018-05-29 2019-12-05 Maschinenfabrik Rieter Ag Verfahren zum Ermitteln von Betriebszuständen einer Textilmaschine sowie eine Textilmaschine
CN109693972B (zh) * 2018-12-29 2021-03-16 国家电网有限公司 线缆张力放线装置
CN112960477B (zh) * 2021-02-03 2022-05-06 浙江理工大学 一种实时检测和动态调节张力的绕线成型控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4230984C2 (de) 1991-09-17 1996-10-24 Murata Machinery Ltd Verfahren zum Steuern der Aufspulgeschwindigkeit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1262150B (de) * 1959-02-07 1968-02-29 Reiners Walter Dr Ing Spulmaschine mit Antrieb der Spulen am Umfang
JPS59177257A (ja) * 1983-03-24 1984-10-06 Toray Eng Co Ltd 巻取機の速度制御方法
JPS63306163A (ja) * 1987-06-08 1988-12-14 Murata Mach Ltd ドラムの駆動制御方法
JPH0281874A (ja) * 1988-09-19 1990-03-22 Murata Mach Ltd パッケージ巻取起動方法
JP2871278B2 (ja) * 1992-03-05 1999-03-17 村田機械株式会社 自動ワインダの巻取ユニット
DE19625511A1 (de) * 1996-06-26 1998-01-02 Schlafhorst & Co W Verfahren und Vorrichtung zum Herstellen von Kreuzspulen in wilder Wicklung
JP3147820B2 (ja) * 1997-06-05 2001-03-19 村田機械株式会社 紡糸巻取機
DE19735581A1 (de) * 1997-08-16 1999-02-18 Schlafhorst & Co W Spultrommelantrieb einer Kreuzspulen herstellenden Textilmaschine
DE19757009A1 (de) * 1997-12-20 1999-06-24 Schlafhorst & Co W Verfahren zur Überwachung des Paraffinauftrags auf einen laufenden Faden
JP2002338138A (ja) * 2001-03-12 2002-11-27 Murata Mach Ltd 糸条巻取機、及び減速停止制御装置
ITMI20060288A1 (it) * 2006-02-16 2007-08-17 Savio Macchine Tessili Spa Dispositovo e procedimento per la regolazione della pressione di contatto di una rocca in avvolgimento
DE10321774A1 (de) * 2003-05-15 2004-12-02 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Betreiben einer Spulstelle einer Kreuzspulen herstellenden Textilmaschine
DE102008056288A1 (de) * 2008-11-08 2010-05-12 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Offenend-Spinnmaschine und Offenend-Spinnmaschine

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE4230984C2 (de) 1991-09-17 1996-10-24 Murata Machinery Ltd Verfahren zum Steuern der Aufspulgeschwindigkeit

Also Published As

Publication number Publication date
CN103848278B (zh) 2017-08-11
CN103848278A (zh) 2014-06-11
JP2014108895A (ja) 2014-06-12
EP2738123A3 (fr) 2015-03-25
JP6230888B2 (ja) 2017-11-15
DE102012023558A1 (de) 2014-06-05
EP2738123B1 (fr) 2016-03-23

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