EP0453909B1 - Procédé pour le positionnement et le réglage d'une plieuse - Google Patents

Procédé pour le positionnement et le réglage d'une plieuse Download PDF

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Publication number
EP0453909B1
EP0453909B1 EP91105884A EP91105884A EP0453909B1 EP 0453909 B1 EP0453909 B1 EP 0453909B1 EP 91105884 A EP91105884 A EP 91105884A EP 91105884 A EP91105884 A EP 91105884A EP 0453909 B1 EP0453909 B1 EP 0453909B1
Authority
EP
European Patent Office
Prior art keywords
sheet
machine
length
sensor
sensors
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.)
Expired - Lifetime
Application number
EP91105884A
Other languages
German (de)
English (en)
Other versions
EP0453909A2 (fr
EP0453909A3 (en
Inventor
Adolf Hornung
Wolfgang Matzner
Werner Reim
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.)
MBO Postpress Solutions GmbH
Original Assignee
Maschinenbau Oppenweiler Binder 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 Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Priority to DE9116823U priority Critical patent/DE9116823U1/de
Publication of EP0453909A2 publication Critical patent/EP0453909A2/fr
Publication of EP0453909A3 publication Critical patent/EP0453909A3/de
Application granted granted Critical
Publication of EP0453909B1 publication Critical patent/EP0453909B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/20—Controlling associated apparatus

Definitions

  • the invention relates to a method for setting up and controlling a folding machine with a sheet feeder, an alignment table and a parallel folding unit and optionally an additional sword folding unit.
  • the uppermost sheet in the feeder is sucked in by a suction wheel or suction belt system and transported into the machine.
  • the cycle for sucking the sheets depends on the respective sheet length and the distance from sheet to sheet.
  • the suction length for the suction system is specified depending on the size of the format.
  • the triggering time for the folding sword is also entered digitally. So e.g. the path of the sheet is entered from the sensing sensor to the sheet stop. Certain process-related variables have to be taken into account, for example the settling time of the arch at the stop.
  • Solutions are also known in which the sensor must be set to the appropriate format. For this the sensor is moved inside the machine.
  • the sensor can be arranged in the area of the front edge of the sheet (sheet stop) as well as on the rear edge of the sheet. However, the sensor must be set accordingly.
  • the sheets inside the machine are usually monitored by mechanical microswitches, e.g. caused by paper jamming. Sensors also serve to detect the change in distance or height of the paper. Another possibility is to compare the distance of a sheet with a distance also entered manually and to evaluate it accordingly.
  • EP-A-0 259 210 discloses a method for checking the positioning of sheets, in which a sheet is carried out between two rollers after an alignment table.
  • two sensors are arranged on a line running perpendicular to the conveying direction and a pulse generator is provided.
  • the sheet is ideally positioned, the rear edge of the sheet passes the two sensors simultaneously.
  • the two sensors pass signals to a counting device one after the other. This time interval between the two signals from the sensors is counted by the pulse generator. If the counted value exceeds a value specified by an addressing device, a command to remove the sheet is issued.
  • two sensors can also be provided, which are ideally covered by the sheet. If one of the sensors is not covered, a command to remove the sheet is also issued.
  • the invention is based on the object of specifying a method for setting up and controlling a folding machine by means of which the set-up process can be automated and simplified and with which it is possible to detect occurring errors with certainty and to remedy the respective causes.
  • This object is achieved in that the length of a sample sheet is measured by means of a sensor and a displacement sensor coupled to a drive element of the machine, and that the measured sheet length is stored and used for monitoring and control as the desired sheet length.
  • the sample sheet has passed the sensor using the method according to the invention, its length is known. So it is e.g. possible to monitor the entry of the sheets from the stack of paper onto the alignment table.
  • Several, possibly adjustable sensors are arranged along the paper path in the machine. When setting up the machine, the distance between individual or all sensors is then measured, stored and used to monitor and control the machine using the determined length dimension of the sample sheet as a comparison dimension.
  • the passage of the sheets through the machine can be monitored according to the tracking principle. It can be determined how many arcs are between two specific points, which in turn can be used for various monitoring purposes.
  • the folding machine shown in the drawing has a lifting table with a paper stack 1 placed thereon, which is placed in front of a feeder 3.
  • the feeder 3 is followed in the running direction of the paper by a feed table or alignment table 4, a parallel folding mechanism 6 and, finally, a transverse folding or sword folding mechanism 7.
  • a suction wheel 8 controlled by a valve 17 is used to lift off the topmost sheet of paper.
  • a displacement sensor 9 is coupled to a roller of the parallel folding unit 6, the peripheral speed of which is as close as possible to the movement speed of the paper.
  • the displacement sensor 9 emits a certain number of pulses per unit rotation angle, so that the number of pulses corresponds to the unit path of the paper sheets.
  • the sword of the sword folding unit 7 is via a brake coupling unit switched on to drive the machine and moved up and down in the direction of arrow 16.
  • Sensors 11, 13, 14 and 15 are arranged along the paper path and, like the suction wheel 8 and the valve 17, the displacement sensor 9 and the drive 10, are connected to a controller 18.
  • the controller 18 can be designed as a hardware controller, but preferably a microprocessor controller is used which works with specially developed software.
  • the top sheet of paper 2 is sucked off from the paper stack 1 by means of the suction wheel 8 and transported to the alignment table 4.
  • the sensor 11 arranged immediately behind the suction wheel 8 then first detects the front and then the rear edge of the paper sheet 2, so that its length is automatically determined in comparison with the pulses emitted by the displacement sensor 9 at the same time. With this first curve, a fixed value for the suction length is used. For the subsequent sheets, the suction length is automatically calculated in relation to the previously determined sheet length and saved in the computer as a setpoint. In principle, however, this value can also be corrected and saved manually.
  • the distances of the individual sensors 11, 13, 14 and 15 from one another are measured and stored, in particular the sensor 13 in front of the parallel folding unit, the sensor 14 behind the parallel folding unit and the sensor 15 is arranged behind the sword folding unit. So if one of the sensors had to be moved to a new position for certain work, the respective distance will be measured and saved accordingly.
  • the switching points are exactly maintained regardless of the speed driven.
  • the software for the control is designed so that process or speed-related parameters are taken into account accordingly, for example the settling times of the bends, switching times of the valves, response times of flaps and switches, etc. Settings for the switching points are not necessary.
  • the length of the sheet can be compared with that of the sample sheet. If a sheet gets stuck and corresponds to the sensor 11 longer than its length, this simulates a longer sheet, which is output as an error message.
  • the length of the sheet after the parallel folding unit 6 is detected by the sensor 14 and compared in narrow areas with the length of the sample sheet found there. In this way, the folding process is monitored. In the event of incorrect folds, the machine switches off immediately and the folded sheet no longer runs into the next unit. The same process is carried out on the downstream sword fold units repeated.
  • Another machine monitoring system works according to the tracking principle. E.g. the distance between the sensors 13 and 14 is measured by the sensor 13 at the inlet of the parallel folding unit 6 and the sensor 14 at the outlet of the same at the first sample sheet 2. Depending on the setting of the folding pockets, the front and possibly also the rear edge of the sheet covers a different path through the folding unit. Because the distance between the sensors 13, 14 was measured in the sample sheet 2, the computer knows the respectively set distance between the sensors 13, 14. In the following sheets, the path of the sheet from sensor 13 to sensor 14 is tracked and compared with the target length of the sample sheet. If there are deviations, the machine is switched off.
  • the same monitoring is also used between the sensors in the so-called combination area of the machine, i.e. the cross fold folder.
  • the inventive method allows further monitoring. It is based on the measurement between two sensors.
  • the computer divides this distance by the arc length and the arc distance and thus receives the maximum possible number of arcs running on this route.
  • the first sensor reports every incoming sheet to the control system and the second sensor reports each outgoing sheet. When the number of sheets running between the two sensors becomes larger than the previously calculated maximum possible number by a stopper, the machine is stopped again.
  • an operator display is provided, which shows the faults at the respective location in a schematic image of the machine.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (2)

  1. Procédé pour le positionnement et le réglage d'une plieuse comportant un margeur (3), une table d'alignement (4) et un mécanisme de pliage en parallèle (6) ainsi que, le cas échéant, un mécanisme supplémentaire de pliage en diagonale (7), procédé caractérisé en ce que la longueur d'une feuille servant de modèle est mesurée au moyen d'un capteur (11) et d'un palpeur de position (9) couplé à un élément de commande de la machine, et en ce que la longueur mesurée de la feuille est mémorisée et intervient, en tant que longueur théorique de la feuille, dans la surveillance et dans le réglage.
  2. Procédé selon la revendication 1, caractérisé en ce que, avec plusieurs capteurs disposés le long du chemin suivi par le papier dans la machine et pouvant, le cas échéant, être déplacés le long du chemin suivi par le papier, et par comparaison avec la mesure de la longueur déterminée de la feuille servant de modèle, la distance entre les capteurs (11, 13, 14, 15) est mesurée, mémorisée, et intervient dans la surveillance et dans le réglage de la machine.
EP91105884A 1990-04-26 1991-04-12 Procédé pour le positionnement et le réglage d'une plieuse Expired - Lifetime EP0453909B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9116823U DE9116823U1 (de) 1990-04-26 1991-04-12 Vorrichtung zum Einrichten und Steuern einer Falzmaschine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013401A DE4013401A1 (de) 1990-04-26 1990-04-26 Verfahren zum einrichten und steuern einer falzmaschine
DE4013401 1990-04-26

Publications (3)

Publication Number Publication Date
EP0453909A2 EP0453909A2 (fr) 1991-10-30
EP0453909A3 EP0453909A3 (en) 1993-03-10
EP0453909B1 true EP0453909B1 (fr) 1995-07-05

Family

ID=6405186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105884A Expired - Lifetime EP0453909B1 (fr) 1990-04-26 1991-04-12 Procédé pour le positionnement et le réglage d'une plieuse

Country Status (2)

Country Link
EP (1) EP0453909B1 (fr)
DE (2) DE4013401A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329680C1 (de) * 1993-09-02 1994-08-25 Binder & Co Masch Oppenweiler Verfahren zum Einrichten und Steuern einer Bogen verarbeitenden Maschine
NL9400381A (nl) * 1994-03-11 1995-10-02 Oce Nederland Bv Inrichting voor het vouwen van een vel in twee richtingen.
DE9405167U1 (de) * 1994-03-26 1994-05-26 Mathias Bäuerle GmbH, 78112 St Georgen Stauchfalzmaschine mit Papierabweiser
DE19516460B4 (de) * 1995-03-13 2008-02-14 Heidelberger Druckmaschinen Ag Verfahren zum Betreiben eines Falzmaschinen-Verbundes
EP0732293B1 (fr) * 1995-03-15 2002-01-30 Heidelberger Druckmaschinen Aktiengesellschaft Procédé pour optimiser le rendement d'exploitation d'une machine de pliage
DE19516437B4 (de) * 1995-03-15 2009-11-19 Heidelberger Druckmaschinen Ag Verfahren zur Optimierung der Betriebsleistung einer Falzmaschine
DE10059271A1 (de) * 2000-11-29 2002-06-06 Heidelberger Druckmasch Ag Falzschwertsteuerung
DE102004021960A1 (de) * 2004-05-04 2005-12-01 Heidelberger Druckmaschinen Ag Sammelhefter für Broschuren
GB2427851A (en) * 2005-07-01 2007-01-10 Acco Uk Ltd Binder which uses a measured document length to adjust the binder settings
DE102008009593A1 (de) * 2008-02-15 2009-08-27 Heidelberger Druckmaschinen Ag Komfortable Bedienungseinrichtung von Falzmaschinen
CN103223797B (zh) * 2013-04-15 2016-01-20 广州市益佳昌盛自动化科技有限公司 利用数码压痕机进行自动变量压痕的方法及装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259210A1 (fr) * 1986-09-02 1988-03-09 Cmb Packaging S.A. Machine de traitement d'objets plats

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099712A (en) * 1977-02-25 1978-07-11 Merrill David Martin Automatic sheet handling apparatus
US4167265A (en) * 1976-10-21 1979-09-11 Graphics Equipment International Corporation Folding machine and control
DE3301722C2 (de) * 1983-01-20 1985-03-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren und Vorrichtung zur paßgerechten Zuführung von Bogen an bogenverarbeitenden Maschinen
DE3610412A1 (de) * 1985-04-30 1986-10-30 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, 04318 Leipzig Einrichtung zur kontrolle des bogenlaufes
DD247641B1 (de) * 1986-04-04 1989-08-09 Polygraph Leipzig Einrichtung zur steuerung von arbeitsmagnetbetriebenen bogenleitelementen in stauchfalzwerken
EP0295648B1 (fr) * 1987-06-17 1993-09-01 Hitachi, Ltd. Methode et dispositif de transfert d'un médium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259210A1 (fr) * 1986-09-02 1988-03-09 Cmb Packaging S.A. Machine de traitement d'objets plats

Also Published As

Publication number Publication date
DE59105901D1 (de) 1995-08-10
DE4013401A1 (de) 1991-10-31
EP0453909A2 (fr) 1991-10-30
EP0453909A3 (en) 1993-03-10

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