EP2499076B1 - Procédé pour faire fonctionner une enrouleuse - Google Patents

Procédé pour faire fonctionner une enrouleuse Download PDF

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Publication number
EP2499076B1
EP2499076B1 EP10754697.0A EP10754697A EP2499076B1 EP 2499076 B1 EP2499076 B1 EP 2499076B1 EP 10754697 A EP10754697 A EP 10754697A EP 2499076 B1 EP2499076 B1 EP 2499076B1
Authority
EP
European Patent Office
Prior art keywords
dancer
web
web tension
control
switch
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.)
Not-in-force
Application number
EP10754697.0A
Other languages
German (de)
English (en)
Other versions
EP2499076A1 (fr
Inventor
Stephan Schultze
Hans-Jürgen Doeres
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2499076A1 publication Critical patent/EP2499076A1/fr
Application granted granted Critical
Publication of EP2499076B1 publication Critical patent/EP2499076B1/fr
Not-in-force 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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • B65H23/1825—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/182—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations
    • B65H23/185—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in unwinding mechanisms or in connection with unwinding operations motor-controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/32—Torque e.g. braking torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/37—Elasticity modulus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the present invention relates to a method for operating a winder device of a processing machine for processing a material web and to an associated computing unit.
  • the invention is not limited thereto, but rather directed to all types of machine tools in which a web is processed.
  • the invention is particularly applicable to printing machines such as e.g. Newspaper printing machines, commercial printing machines, gravure printing machines, in-line flexographic printing machines, packaging printing machines or securities printing machines and in processing machines, such as Pouch machines, enveloping machines or packaging machines used.
  • the web can be made of paper, cloth, cardboard, plastic, metal, rubber, in foil form, etc.
  • winder devices are optionally used as winder or unwinder.
  • a winder device usually comprises at least one driven axle, eg a winding axle of a center winder, a drive axle of a peripheral winder, a tension roller or the like, an associated actuator or controller function, eg in a motion control (motion control) or programmable logic controller (PLC) and optionally measuring members for determining the web tension.
  • the winders are usually operated so that a web tension is impressed into the web, both regulations and only adjustments of the web tension are used.
  • different methods for web tension control or adjustment in winders of web-processing machines are known.
  • a dancer control or dancer control is used, in which the web tension is typically impressed by a weight force or a pressure on the dancer in the web.
  • the task of the dancer position control is to keep the dancer within predefined limits, the nominal value of the dancer position usually being set to a middle position.
  • a dancer position control is usually used to compensate for sudden disturbances, roundness in the winding or non-uniform web transport.
  • a method or structure with dancer position controller is usually used when the web is not running continuously or sudden disturbances must be compensated. Especially with a flying role change a dancer is usually essential.
  • the controller typically specifies either the drive torque or the speed of the axis.
  • a control of the drive torque is expediently used in rigid material with a high modulus of elasticity, such as paper, metal, whereas a control of the speed is advantageously used in elastic material, such as film or fabric.
  • Traction control offers the advantage of simpler implementability and lower component cost compared to dancer control.
  • a feedback-free adjustment of the web tension for example by setting the speed or drive torque setting, is known.
  • the position or control has the advantage of simplicity, since no mechanics, such as dancer or load cell, and measuring elements, such as dancer height measurement or force measurement, are needed. However, it is relatively inaccurate because disturbances can not be detected and compensated by a controller.
  • the structure or method with traction control / adjustment is usually used instead of a dancer position controller, if a constantly running web transport is to be expected without much disruption.
  • the known methods are relatively inflexible and can hardly be adapted to changing conditions, such as new material. Also, in productions where a flying role change is provided, always a complex dancer position control necessary.
  • the invention is essentially based on the finding that a flexible and adaptable to the particular conditions web tension control or adjustment for a winder device is available when online, ie during production, from a first web tension setting method to a second Brutemposvorgabemethode is switched.
  • the term "default method" includes both control and adjustment methods.
  • control structure can be particularly well matched to the web material.
  • special advantages can be achieved.
  • a web tension specification without dancers is used. Before the roll change is switched to a dancer position default to compensate for the disturbance caused by the roll change, particularly effectively. After the roll change is finally switched back from the dancer roll default to the original web tension specification.
  • An arithmetic unit according to the invention e.g. a control unit of a printing press, is, in particular programmatically, adapted to perform a method according to the invention.
  • Suitable media for providing the computer program are in particular floppy disks, hard disks, flash memories, EEPROMs, CD-ROMs, DVDs, etc. It is also possible to download a program via computer networks (Internet, intranet, etc.).
  • FIG. 1 and 2 are described in a cohesive and comprehensive manner, wherein like elements are provided with the same reference numerals.
  • a winder device 100 which, in accordance with a preferred embodiment of the invention, can be operated using different web tension preselection methods.
  • the following is intended to explain, such as for example a flying role change from a dancer 's attitude, as in FIG. 1 is shown, to a speed specification, as shown in FIG. 2 is shown, is switched.
  • the winder device 100 has a winding axis 101, onto which a material web 102 is wound. It is understood that the invention is equally applicable to an unwinding process.
  • the winder device 100 has a dancer 110 for specifying a web tension and a load cell 120 for detecting the web tension.
  • the measured by the load cell 120 web tension value is transmitted to a control unit 130, which is provided for web tension control.
  • the control unit 130 controls a dancer drive 111, which, for example, pneumatically exerts a specific pressure on the dancer 110.
  • the dancer position is detected by a dancer position controller 131, which on this basis predetermines or regulates the rotational speed or the drive torque of the drive axle 101. It is understood that the web tension controller 130 and the dancer controller 131 may also be embodied in a common control unit.
  • the dancer position control requires a large number of elements and is therefore to be regarded as oversized for conventional operation.
  • the essential advantage of the dancer position control is the possibility, in particular in the event of a flying roll change, to absorb the disturbance in the web tension behavior caused by the roll change by the web material stored in the dancer and to avoid damage to the material web.
  • After the roll change is often a speed control practicable.
  • According to the present embodiment of the invention is therefore after the roll change to a speed or drive torque setting (control), as shown FIG. 2 is shown, switched.
  • the dancer position setpoint is first set to a value that corresponds to the dancer stop.
  • the dancer 110 is, for example, fixed to the upper stop.
  • the structure or method switchover is started.
  • the dancer pressure is reduced because, after switching, the web tension is no longer specified by the dancer pressure.
  • the web tension controller 130 will control the speed or the drive member of the axle 101 based on the web tension detected by the load cell 120.
  • the structure switching during the production operation is expediently such that no jumps occur in the control loop at the time of switching.
  • a PID controller in a load cell structure with specification of a drive torque the instantaneous drive torque is read out and the I component of the controller is specified so that the same setpoint torque appears at the controller output after the switchover.
  • the instantaneous drive speed is expediently read out and the I component of the controller is set so that after switching the same setpoint speed appears at the controller output.
  • a changeover to a dancer position specification can also be effected in a comparable manner by predefining the I component in accordance with the actual rotational speed.
  • the dancer position setpoint can be set, for example, in the dancer center, and the dancer pressure can also be set at the same time with the control technology changeover.
  • a mechanical fixation of the dancer z. B. by means of a mechanical brake, elsewhere, for example, in the dancer center done.
  • the dancer advantageously does not have to first be driven to the stop or later be returned to the middle position.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (9)

  1. Procédé pour faire fonctionner une enrouleuse (100) d'une machine de traitement pour le traitement d'une bande de matière (102),
    dans lequel il est prévu une enrouleuse (100) pour l'enroulement et le déroulement de la bande de matière (102),
    dans lequel on fait fonctionner l'enrouleuse (100) pour la prédétermination d'une tension de bande,
    dans lequel, pendant le traitement de la bande de matière (102) avant et/ou après un changement de matière, on commute d'une première méthode de prédétermination de la tension de bande à une deuxième méthode de prédétermination de la tension de bande.
  2. Procédé selon la revendication 1, dans lequel la première et/ou la deuxième méthode de prédétermination de la tension de bande est sélectionnée dans le groupe comprenant une régulation et un réglage d'une position d'un rouleau de tension, d'une vitesse de rotation et d'un couple d'entraînement.
  3. Procédé selon la revendication 1 ou 2, dans lequel on commute de la première méthode de prédétermination de la tension de bande à la deuxième méthode de prédétermination de la tension de bande avant et/ou après un changement de rouleau au vol.
  4. Procédé selon la revendication 3, dans lequel on commute à une méthode de prédétermination de la position d'un rouleau de tension avant un changement de rouleau au vol.
  5. Procédé selon la revendication 3 ou 4, dans lequel on commute à une méthode de prédétermination de la position d'un rouleau de tension après un changement de rouleau au vol.
  6. Procédé selon la revendication 5, dans lequel on fixe le rouleau de tension (110) avant la commutation.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel on commute à une méthode de prédétermination de la vitesse de rotation lors d'un changement pour une matière avec un module d'élasticité plus faible.
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel on commute à une méthode de prédétermination du couple d'entraînement lors d'un changement pour une matière avec un module d'élasticité plus élevé.
  9. Unité de calcul, qui est conçue en vue d'exécuter un procédé selon l'une quelconque des revendications précédentes.
EP10754697.0A 2009-11-09 2010-09-16 Procédé pour faire fonctionner une enrouleuse Not-in-force EP2499076B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009052462A DE102009052462A1 (de) 2009-11-09 2009-11-09 Verfahren zum Betreiben einer Wicklereinrichtung
PCT/EP2010/005678 WO2011054415A1 (fr) 2009-11-09 2010-09-16 Procédé pour faire fonctionner une enrouleuse

Publications (2)

Publication Number Publication Date
EP2499076A1 EP2499076A1 (fr) 2012-09-19
EP2499076B1 true EP2499076B1 (fr) 2015-04-01

Family

ID=43302609

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10754697.0A Not-in-force EP2499076B1 (fr) 2009-11-09 2010-09-16 Procédé pour faire fonctionner une enrouleuse

Country Status (5)

Country Link
US (1) US20120280076A1 (fr)
EP (1) EP2499076B1 (fr)
CN (1) CN102596770A (fr)
DE (1) DE102009052462A1 (fr)
WO (1) WO2011054415A1 (fr)

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CN103086178B (zh) * 2013-02-19 2016-06-29 苏州东昇机电科技有限公司 一种收卷机及控制柔性材料收卷的方法
US9309081B2 (en) 2013-10-15 2016-04-12 Kimberly-Clark Worldwide, Inc. Active center pivot device for controlling sheet tension and method of using same
JP6268431B2 (ja) * 2013-12-17 2018-01-31 セイコーエプソン株式会社 テンション制御方法、印刷装置
JP6510914B2 (ja) * 2015-07-02 2019-05-08 株式会社タカゾノテクノロジー 薬剤包装装置
DE102018218453A1 (de) * 2018-10-29 2020-04-30 Robert Bosch Gmbh Drahtbremseinrichtung für eine Drahtwickelmaschine und Drahtwickelmaschine
CN109732993B (zh) * 2019-01-27 2020-11-20 浙江坤诚塑业有限公司 有节能环保功能的塑料编织袋切割机
CN110817549B (zh) * 2019-10-30 2022-02-08 苏州安驰控制***有限公司 一种收卷控制方法、设备、***及计算机存储介质

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Also Published As

Publication number Publication date
DE102009052462A1 (de) 2011-05-12
CN102596770A (zh) 2012-07-18
EP2499076A1 (fr) 2012-09-19
WO2011054415A1 (fr) 2011-05-12
US20120280076A1 (en) 2012-11-08

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