EP1362700A2 - Method and device for changing printing plates - Google Patents
Method and device for changing printing plates Download PDFInfo
- Publication number
- EP1362700A2 EP1362700A2 EP03010035A EP03010035A EP1362700A2 EP 1362700 A2 EP1362700 A2 EP 1362700A2 EP 03010035 A EP03010035 A EP 03010035A EP 03010035 A EP03010035 A EP 03010035A EP 1362700 A2 EP1362700 A2 EP 1362700A2
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- EP
- European Patent Office
- Prior art keywords
- printing
- plate
- changing
- gear train
- plate cylinders
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- 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.)
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- 238000007639 printing Methods 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims description 27
- 238000007645 offset printing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/008—Mechanical features of drives, e.g. gears, clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/005—Attaching and registering printing formes to supports
Definitions
- the invention relates to methods for changing printing plates on one at least two printing units existing printing machine, the printing units at least one plate cylinder equipped with one or more printing plates have, the drive of the plate cylinder via a closed Wheel pull from the main drive of the printing press takes place, the plate cylinder in Pressure position in at least two different phases to the gear train stand and the change of the printing plates in a uniform for all printing units Pressure plate change position takes place.
- EP 0 435 413 B1 describes a method for changing printing plates known in which the used printing plates are removed one after the other. This is done by entering a plate removal position first plate cylinder from the transmission-related combination of plate cylinders or is disengaged from the wheel train of the printing press drive. The used printing plate is removed, using a single plate cylinder drive is applied. The remaining plate cylinders rotate synchronously continue until another plate cylinder is in a plate removal position arrives and the next used printing plate is removed. In this way all used printing plates are successively removed.
- the relevant plate cylinder rotated to a plate feed position and the supply of the new printing plate initiated.
- the other plate cylinders continue to rotate synchronously, with the Rotary movement now takes place in the opposite direction. Arrived another plate cylinder in a plate feed position, another printing plate fed until the automatic plate changing process is completed is.
- DE 195 11 686 A 1 describes a method for changing printing plates described, in which the removal of the used printing plates also starts successively when a printing plate unclamping position is reached and continues while the remaining plate cylinders continue synchronously rotate. With printing units with the same phase angle, the removal can the used printing plates take place simultaneously. After removing all The printing plate becomes the plate cylinder of the first printing unit in a printing plate clamping position rotated and fed a new pressure plate. Only after This process is completed by the plate cylinder of another printing unit rotated into a printing plate clamping position and the next plate changing process initiated. In this way, the new printing plates of the following printing units.
- the object of the invention is to develop a method by which is the automatic change of printing plates on all printing units at the same time can be done. On the use of a separate drive for the plate cylinder should be avoided.
- the task continues to be development a suitable device for implementing the method.
- the invention has the advantage that it is through the inventive method is now possible with little effort, the printing plates on all printing units to switch at the same time.
- the separate drive of each plate cylinder is not more needed.
- FIG. 1 three printing units 1.1, 1.2, 1.3 of a sheet-fed offset printing machine are shown.
- Each of the printing units 1.1, 1.2, 1.3 consists of a sheet-guiding printing cylinder 6.1, 6.2, 6.3, which is operatively connected to two sheet-carrying transfer drums 7.1, 7.2, 7.3 .
- a rubber cylinder 5.1, 5.2, 5.3 and, in turn, a plate cylinder 4.1, 4.2, 4.3 are assigned to each printing cylinder 6.1, 6.2, 6.3 .
- the plate cylinders 4.1, 4.2, 4.3 each have an inking unit 2.1, 2.2, 2.3 and a dampening unit 3.1, 3.2, 3.3 in operative connection.
- At least one printing plate, not shown here, is attached to each plate cylinder 4.1, 4.2, 4.3 .
- the transfer drums 7.1, 7.2, 7.3, the pressure cylinders 6.1, 6.2, 6.3, the rubber cylinders 5.1, 5.2, 5.3 and the plate cylinders 4.1, 4.2, 4.3 with the assigned inking units 2.1, 2.2, 2.3 are connected to one another via a gear train. This is not shown in the figures. Only the drive wheel 11.1; 11.2, 11.3 of the plate cylinder 4.1, 4.2, 4.3 is indicated by a dashed line.
- Each printing unit 1.1, 1.2, 1.3 is equipped with a fully automatic printing plate changing device 12.1, 12.2, 12.3 .
- the printing units 1.1, 1.2, 1.3 are equipped with a coupling 8.1, 8.2, 8.3 . This is assigned to the drive shaft of the plate cylinder 4.1 , 4.2, 4.3 (not shown here). In the exemplary embodiment, a switchable pin coupling is used.
- the clutch 8.1, 8.2, 8.3 is assigned a brake, not shown here.
- a clutch-brake combination is used.
- FIG. 2 the clutch 8.1, 8.2, 8.3 is shown schematically.
- a coupling half 101 is assigned to the plate cylinder drive wheel 11.1, 11.2, 11.3 (see FIG. 1) of the plate cylinder 4.1, 4.2, 4.3 .
- the other coupling half 102 is firmly connected to the plate cylinder 4.1, 4.2, 4.3 .
- Both coupling halves 101, 102 can be brought into engagement with one another in two snap-in positions, the snap-in position I and in the snap-in position II. This process takes place here by means of an electromagnetically actuated locking pin 9 .
- a two-part tooth coupling applied.
- the tooth pitch of such a clutch is designed so that the required snap-in positions are determined.
- the coupling 8.1, 8.2, 8.3 is designed specifically for each printing unit or for each in-phase printing unit.
- a coupling 8.1, 8.2, 8.3 must therefore be manufactured for each printing unit.
- the snap-in positions correspond to the pressure position and the pressure plate change position, or to the wheel train in a position that is uniform for all printing units.
- the plate cylinders 4.1, 4.2, 4.3 are in the printing position, that is to say when the sheet-fed offset printing press is operating as intended, in at least two different positions with respect to the wheel train. These positions are usually referred to as phase positions.
- the clutch 8.1, 8.2, 8.3 is locked in the locked position I.
- the sheetfed offset printing press is operated at a speed which is substantially below the printing speed.
- the plate cylinders 4.1, 4.2, 4.3 are disengaged after reaching the pressure plate change position and stopped in this position. This means that after the relevant plate cylinders 4.1 4.2, 4.3 are separated from their drives, they are braked. This is done in such a way that they end their rotation exactly in the printing plate change position.
- a positive locking device can also be used in addition to or instead of the brake.
- the plate cylinders 4.1, 4.2, 4.3 remain connected to the main drive for the time being.
- the plate cylinders 4.1, 4.2, 4.3 are successively separated from the gear train and, when reaching the pressure position, that is to say in the snap-in position I, again incorporated into the gear train by actuating the clutch 8.1, 8.2, 8.3 in question .
- Another embodiment of the method according to the invention differs from the above-mentioned form in that the plate cylinders 4.1, 4.2, 4.3 are each separated from the main drive when a uniform position, which can be determined for all plate cylinders 4.1, 4.2, 4.3 , is reached. This does not correspond to the pressure plate change position.
- the plate cylinders 4.1, 4.2, 4.3 are braked and / or positively fixed in this position, as in the example given above.
- the main drive is then actuated and the plate cylinders 4.1, 4.2, 4.3 are brought into the pressure plate change position.
- the printing plates are changed there.
- the plate cylinders 4.1, 4.2, 4.3 are brought back into the printing position in the manner described above.
- all plate cylinders 4.1, 4.2, 4.3 are separated from their drives.
- the press continues to rotate at low speed.
- the connection to the gear train is restored.
- the main drive now brings the plate cylinders 4.1, 4.2, 4.3 into the printing plate change position, so that the pressure plate change can be carried out there.
- the plate cylinders 4.1, 4.2, 4.3 are disengaged again and reconnected to the gear train in the manner described above.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Rotary Presses (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Abstract
Description
Die Erfindung betrifft Verfahren zum Wechseln von Druckplatten an einer aus mindestens zwei Druckwerken bestehenden Druckmaschine, wobei die Druckwerke mindestens einen mit einer oder mehreren Druckplatten bestückten Plattenzylinder aufweisen, der Antrieb der Plattenzylinder über einen geschlossenen Räderzug vom Hauptantrieb der Druckmaschine erfolgt, die Plattenzylinder in Druckstellung in mindestens zwei verschiedenen Phasenlagen zum Räderzug stehen und der Wechsel der Druckplatten in einer für alle Druckwerke einheitlichen Druckplattenwechselstellung erfolgt.The invention relates to methods for changing printing plates on one at least two printing units existing printing machine, the printing units at least one plate cylinder equipped with one or more printing plates have, the drive of the plate cylinder via a closed Wheel pull from the main drive of the printing press takes place, the plate cylinder in Pressure position in at least two different phases to the gear train stand and the change of the printing plates in a uniform for all printing units Pressure plate change position takes place.
Aus der EP 0 435 413 B1 ist ein Verfahren zum Auswechseln von Druckplatten bekannt, bei dem die verbrauchten Druckplatten nacheinander entfernt werden. Das erfolgt, indem beim Erreichen einer Plattenentfernungsposition ein erster Plattenzylinder aus dem getriebemäßigen Verbund der Plattenzylinder bzw. aus den Räderzug des Druckmaschinenantriebs ausgekuppelt wird. Die verbrauchte Druckplatte wird entfernt, wobei hierzu ein Plattenzylinder-Einzelantrieb angewandt wird. Die verbleibenden Plattenzylinder drehen synchron weiter, bis ein weiterer Plattenzylinder in eine Plattenentfernungsposition gelangt und die nächste verbrauchte Druckplatte entfernt wird. Auf diese Weise werden aufeinanderfolgend alle verbrauchten Druckplatten entfernt.EP 0 435 413 B1 describes a method for changing printing plates known in which the used printing plates are removed one after the other. This is done by entering a plate removal position first plate cylinder from the transmission-related combination of plate cylinders or is disengaged from the wheel train of the printing press drive. The used printing plate is removed, using a single plate cylinder drive is applied. The remaining plate cylinders rotate synchronously continue until another plate cylinder is in a plate removal position arrives and the next used printing plate is removed. In this way all used printing plates are successively removed.
Nach dem Entfernen der letzten Druckplatte wird der betreffende Plattenzylinder in eine Plattenzuführposition gedreht und die Zufuhr der neuen Druckplatte eingeleitet. Die anderen Plattenzylinder drehen synchron weiter, wobei die Drehbewegung nunmehr in entgegengesetzter Richtung erfolgt. Gelangt ein weiterer Plattenzylinder in eine Plattenzuführposition, wird eine weitere Druckplatte zugeführt, bis der automatische Plattenwechselvorgang abgeschlossen ist.After removing the last printing plate, the relevant plate cylinder rotated to a plate feed position and the supply of the new printing plate initiated. The other plate cylinders continue to rotate synchronously, with the Rotary movement now takes place in the opposite direction. Arrived another plate cylinder in a plate feed position, another printing plate fed until the automatic plate changing process is completed is.
In der DE 195 11 686 A 1 wird ein Verfahren zum Wechseln von Druckplatten beschrieben, bei dem das Entfernen der verbrauchten Druckplatten ebenfalls nacheinander beim Erreichen einer Druckplattenausspannposition beginnt und fortgesetzt wird, während die verbleibenden Plattenzylinder synchron weiter drehen. Bei Druckwerken mit einem gleichen Phasenwinkel kann das Entfernen der verbrauchten Druckplatten gleichzeitig erfolgen. Nach dem Entfernen aller Druckplatten wird der Plattenzylinder des ersten Druckwerkes in eine Druckplatteneinspannposition gedreht und eine neue Druckplatte zugeführt. Erst nach Abschluss dieses Vorganges wird der Plattenzylinder eines weiteren Druckwerkes in eine Druckplatten-Einspannposition gedreht und der nächste Plattenwechselvorgang eingeleitet. Nacheinander werden auf diese Weise auch die neuen Druckplatten der nachfolgenden Druckwerke zugeführt.DE 195 11 686 A 1 describes a method for changing printing plates described, in which the removal of the used printing plates also starts successively when a printing plate unclamping position is reached and continues while the remaining plate cylinders continue synchronously rotate. With printing units with the same phase angle, the removal can the used printing plates take place simultaneously. After removing all The printing plate becomes the plate cylinder of the first printing unit in a printing plate clamping position rotated and fed a new pressure plate. Only after This process is completed by the plate cylinder of another printing unit rotated into a printing plate clamping position and the next plate changing process initiated. In this way, the new printing plates of the following printing units.
Die oben beschriebenen Lösungen haben den Nachteil, dass das Wechseln der Druckplatten nicht an allen Plattenzylindern gleichzeitig erfolgen kann. Weiterhin sind die erforderlichen Vorrichtungen sehr aufwändig, da in jedem Fall ein separater Antrieb des betreffenden Plattenzylinders erforderlich ist.The solutions described above have the disadvantage that changing the Printing plates cannot be done on all plate cylinders at the same time. Farther the necessary devices are very complex, since in any case separate drive of the plate cylinder in question is required.
Aus der EP 0 533 307 B1 ist eine Lösung bekannt geworden, bei der zum Wechsel der Druckplatte die aktuelle Position des Plattenzylinders gespeichert und der Plattenzylinder anschließend in eine Plattenwechsel-Lage gedreht wird. Der Plattenwechsel wird durchgeführt und der Plattenzylinder in die gespeicherte Lage zurückgebracht. Im Rahmen dieser Lösung wird als Option angeführt, dieses Verfahren gleichzeitig an allen Druckwerken durchzuführen und so diese Arbeitsgänge parallel ablaufen zu lassen. Eine Vorrichtung hierzu wird nicht beschrieben.A solution has become known from EP 0 533 307 B1, in which a change is made the current position of the plate cylinder is saved on the printing plate and the plate cylinder is then rotated into a plate change position. The Plate change is carried out and the plate cylinder in the saved Situation brought back. As part of this solution, this is mentioned as an option Perform procedures simultaneously on all printing units and so on To have operations run in parallel. A device for this is not described.
Nachteilig hierbei ist die aufwändige Steuerung, die für die Realisierung dieses Verfahrens erforderlich ist. Weiterhin ist auch hier zwingend eine Kupplung in Verbindung mit einem separaten Antrieb des Plattenzylinders erforderlich.The disadvantage here is the complex control required to implement this Procedure is required. Furthermore, a coupling is also mandatory here Connection with a separate drive for the plate cylinder required.
Die Aufgabe der Erfindung besteht darin, ein Verfahren zu entwickeln, durch welches der automatische Wechsel der Druckplatten an allen Druckwerk gleichzeitig erfolgen kann. Auf den Einsatz eines separaten Antriebs der Plattenzylinder soll verzichtet werden. Gegenstand der Aufgabe ist weiterhin die Entwicklung einer geeigneten Vorrichtung zur Realisierung des Verfahrens.The object of the invention is to develop a method by which is the automatic change of printing plates on all printing units at the same time can be done. On the use of a separate drive for the plate cylinder should be avoided. The task continues to be development a suitable device for implementing the method.
Erfindungsgemäß wird die Aufgabe durch die Merkmale der Ansprüche 1 bis 3 und 8, 9 gelöst. According to the invention, the object is achieved by the features of claims 1 to 3 and 8, 9 solved.
Die Erfindung hat den Vorteil, dass es durch das erfindungsgemäße Verfahren nunmehr durch wenig Aufwand möglich ist, an allen Druckwerken die Druckplatten gleichzeitig zu wechseln. Der separate Antrieb jedes Plattenzylinders ist nicht mehr erforderlich.The invention has the advantage that it is through the inventive method is now possible with little effort, the printing plates on all printing units to switch at the same time. The separate drive of each plate cylinder is not more needed.
Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Die dazugehörigen Zeichnungen haben folgende Bedeutung:
- Figur 1
- Schematische Darstellung von 3 Druckwerken einer Bogenoffsetdruckmaschine.
- Figur 2
- Schematische Darstellung einer in zwei Stellungen schaltbaren Kupplung.
- Figure 1
- Schematic representation of 3 printing units of a sheetfed offset press.
- Figure 2
- Schematic representation of a clutch that can be switched in two positions.
In Figur 1 sind drei Druckwerke 1.1, 1.2, 1.3 einer Bogenoffsetdruckmaschine dargestellt. Jedes der Druckwerke 1.1, 1.2, 1.3 besteht aus einem bogenführenden Druckzylinder 6.1, 6.2, 6.3, der mit je zwei bogenführenden Übergabetrommeln 7.1, 7.2, 7.3 in Wirkverbindung steht. Jedem Druckzylinder 6.1, 6.2, 6.3 ist ein Gummizylinder 5.1, 5.2, 5.3 und diesem wiederum ein Plattenzylinder 4.1, 4.2, 4.3 zugeordnet. Die Plattenzylinder 4.1, 4.2, 4.3 stehen mit je einem Farbwerk 2.1, 2.2, 2.3 und je einem Feuchtwerk 3.1, 3.2, 3.3 in Wirkverbindung. Auf jedem Plattenzylinder 4.1, 4.2, 4.3 ist mindestens eine hier nicht dargestellte Druckplatte angebracht.In Figure 1, three printing units 1.1, 1.2, 1.3 of a sheet-fed offset printing machine are shown. Each of the printing units 1.1, 1.2, 1.3 consists of a sheet-guiding printing cylinder 6.1, 6.2, 6.3, which is operatively connected to two sheet-carrying transfer drums 7.1, 7.2, 7.3 . A rubber cylinder 5.1, 5.2, 5.3 and, in turn, a plate cylinder 4.1, 4.2, 4.3 are assigned to each printing cylinder 6.1, 6.2, 6.3 . The plate cylinders 4.1, 4.2, 4.3 each have an inking unit 2.1, 2.2, 2.3 and a dampening unit 3.1, 3.2, 3.3 in operative connection. At least one printing plate, not shown here, is attached to each plate cylinder 4.1, 4.2, 4.3 .
Die Übergabetrommeln 7.1, 7.2, 7.3, die Druckzylinder 6.1, 6.2, 6.3, die Gummizylinder 5.1, 5.2, 5.3 und die Plattenzylinder 4.1, 4.2, 4.3 mit den zugeordneten Farbwerken 2.1, 2.2, 2.3 sind über einen Räderzug miteinander verbunden. Dieser ist in den Figuren nicht dargestellt. Lediglich das Antriebsrad 11.1; 11.2, 11.3 des Plattenzylinders 4.1, 4.2, 4.3 ist durch eine gestrichelte Linie angedeutet.The transfer drums 7.1, 7.2, 7.3, the pressure cylinders 6.1, 6.2, 6.3, the rubber cylinders 5.1, 5.2, 5.3 and the plate cylinders 4.1, 4.2, 4.3 with the assigned inking units 2.1, 2.2, 2.3 are connected to one another via a gear train. This is not shown in the figures. Only the drive wheel 11.1; 11.2, 11.3 of the plate cylinder 4.1, 4.2, 4.3 is indicated by a dashed line.
Jedes Druckwerk 1.1, 1.2, 1.3 ist mit einer vollautomatischen Druckplattenwechsel-Einrichtung 12.1, 12.2, 12.3 ausgerüstet. Each printing unit 1.1, 1.2, 1.3 is equipped with a fully automatic printing plate changing device 12.1, 12.2, 12.3 .
Die Druckwerke 1.1, 1.2, 1.3 sind mit einer Kupplung 8.1, 8.2, 8.3 ausgestattet. Diese ist der Antriebswelle des Plattenzylinders 4. 1, 4.2, 4.3 (hier nicht dargestellt) zugeordnet. Im Ausführungsbeispiel wird eine schaltbare Bolzenkupplung verwendet.The printing units 1.1, 1.2, 1.3 are equipped with a coupling 8.1, 8.2, 8.3 . This is assigned to the drive shaft of the plate cylinder 4.1 , 4.2, 4.3 (not shown here). In the exemplary embodiment, a switchable pin coupling is used.
Der Kupplung 8.1, 8.2, 8.3 ist eine hier nicht dargestellte Bremse zugeordnet. In einer anderen Ausführungsform wird eine Kupplungs-Brems-Kombination verwendet.The clutch 8.1, 8.2, 8.3 is assigned a brake, not shown here. In another embodiment, a clutch-brake combination is used.
In der Figur 2 ist die Kupplung 8.1, 8.2, 8.3 schematisch dargestellt. Dabei ist
eine Kupplungshälfte 101 dem Plattenzylinder-Antriebsrad 11.1, 11.2, 11.3
(siehe hierzu Figur 1) des Plattenzylinders 4.1, 4.2, 4.3 zugeordnet. Die andere
Kupplungshälfte 102 ist mit dem Plattenzylinder 4.1, 4.2, 4.3 fest verbunden.
Beide Kupplungshälften 101, 102 können in zwei Einrast-Stellungen, der
Einrast-Stellung I und in der Einrast-Stellung II, miteinander in Eingriff gebracht
werden. Dieser Vorgang erfolgt hier durch einen elektromagnetisch betätigbaren
Einrastbolzen 9.In Figure 2, the clutch 8.1, 8.2, 8.3 is shown schematically. A
In einer anderen Ausführung der Erfindung wird eine zweiteilige Zahnkupplung angewendet. Die Zahnteilung einer derartigen Kupplung ist so ausgeführt, dass die geforderten Einrast-Stellungen festgelegt werden.In another embodiment of the invention, a two-part tooth coupling applied. The tooth pitch of such a clutch is designed so that the required snap-in positions are determined.
In einer hier nicht dargestellten Ausführungsform ist die Kupplung 8.1, 8.2, 8.3 spezifisch für jedes Druckwerk bzw. für jedes phasengleiche Druckwerk ausgebildet. Für jedes Druckwerk muss also eine Kupplung 8.1, 8.2, 8.3 gefertigt werden. Bei dieser speziellen Kupplung korrespondieren die Einrast-Stellungen mit der Druckstellung und der Druckplattenwechselstellung bzw. mit einer für alle Druckwerke einheitliche Stellung zum Räderzug.In an embodiment not shown here, the coupling 8.1, 8.2, 8.3 is designed specifically for each printing unit or for each in-phase printing unit. A coupling 8.1, 8.2, 8.3 must therefore be manufactured for each printing unit. With this special coupling, the snap-in positions correspond to the pressure position and the pressure plate change position, or to the wheel train in a position that is uniform for all printing units.
Es besteht aber auch die Möglichkeit, für jedes Druckwerk eine universelle Kupplung 8.1, 8.2, 8.3 einzusetzen. Dabei werden mehrere Einrast-Stellungen vorgesehen. Das betrifft eine Einrast-Stellung für die Druckplattenwechselstellung und weitere Einrast-Stellungen für die Druckstellung in Abhängigkeit von der Anzahl der Phasenlagen bzw. mit einer Einrast-Stellung für die einheitliche Stellung zum Räderzug. But there is also the possibility to use a universal coupling 8.1, 8.2, 8.3 for each printing unit. Several snap-in positions are provided. This relates to a snap-in position for the pressure plate change position and other snap-in positions for the pressure position depending on the number of phase positions or with a snap-in position for the uniform position relative to the gear train.
Mit der oben beschriebenen Einrichtung kann ein Verfahren realisiert werden, bei dem alle Plattenzylinder 4.1, 4.2, 4.3 zum Wechseln der Druckplatten in eine Druckplattenwechselstellung gebracht werden, so dass dort der Druckplattenwechsel gleichzeitig erfolgen kann.With the device described above, a method can be implemented in which all plate cylinders 4.1, 4.2, 4.3 are brought into a printing plate changing position for changing the printing plates, so that the printing plate change can take place there at the same time.
Es wird davon ausgegangen, dass die Plattenzylinder 4.1, 4.2, 4.3 in der Druckstellung, also beim bestimmungsgemäßem Betrieb der Bogenoffsetdruckmaschine, in mindestens zwei verschiedenen Stellungen zum Räderzug stehen. Diese Stellungen werden in der Regel als Phasenlagen bezeichnet.It is assumed that the plate cylinders 4.1, 4.2, 4.3 are in the printing position, that is to say when the sheet-fed offset printing press is operating as intended, in at least two different positions with respect to the wheel train. These positions are usually referred to as phase positions.
Beim Drucken selbst ist die Kupplung 8.1, 8.2, 8.3 in der Einrast-Stellung I eingerastet. Nach Erledigung des Druckauftrags wird die Bogenoffsetdruckmaschine mit einer wesentlich unter der Druckgeschwindigkeit liegenden Geschwindigkeit betrieben. Die Plattenzylinder 4.1, 4.2, 4.3 werden nach Erreichen der Druckplattenwechselstellung ausgekuppelt und in dieser Stellung angehalten. Das heißt, immer nach der Trennung der betreffenden Plattenzylinder 4.1 4.2, 4.3 von ihren Antrieben werden diese gebremst. Das erfolgt so, dass diese exakt in der Druckplattenwechselstellung ihre Rotation beenden. Dabei kann auch zusätzlich oder an Stelle der Bremse eine formschlüssige Feststelleinrichtung eingesetzt werden.When printing itself, the clutch 8.1, 8.2, 8.3 is locked in the locked position I. After the print job has been completed, the sheetfed offset printing press is operated at a speed which is substantially below the printing speed. The plate cylinders 4.1, 4.2, 4.3 are disengaged after reaching the pressure plate change position and stopped in this position. This means that after the relevant plate cylinders 4.1 4.2, 4.3 are separated from their drives, they are braked. This is done in such a way that they end their rotation exactly in the printing plate change position. A positive locking device can also be used in addition to or instead of the brake.
Nachdem sich nunmehr alle Plattenzylinder 4.1, 4.2, 4.3 in der Druckplattenwechselstellung befinden, wird die Verbindung zum Hauptantrieb wieder hergestellt. Dazu wird die Kupplung 8.1, 8.2, 8.3 in der Einrast-Stellung II betätigt (siehe Figur 2). Damit sind alle Plattenzylinder 4.1, 4.2, 4.3 wieder mit dem Hauptantrieb verbunden und weisen die gleiche Stellung zum Räderzug auf.After all the plate cylinders 4.1, 4.2, 4.3 are now in the pressure plate change position, the connection to the main drive is restored. For this purpose, the clutch 8.1, 8.2, 8.3 is actuated in the engagement position II (see FIG. 2 ). This means that all plate cylinders 4.1, 4.2, 4.3 are again connected to the main drive and have the same position in relation to the gear train.
Durch die vollautomatische Druckplattenwechsel-Einrichtung 12.1; 12.2, 12.3 können nunmehr an allen Druckwerken 1.1, 1.2, 1.3 die Druckplatten gleichzeitig gewechselt werden.Due to the fully automatic printing plate changing device 12.1; 12.2, 12.3 , the printing plates can now be changed simultaneously on all printing units 1.1, 1.2, 1.3 .
Nach dem Wechsel der Druckplatten bleiben die Plattenzylinder 4.1, 4.2, 4.3 vorerst mit dem Hauptantrieb verbunden. Die Plattenzylinder 4.1, 4.2, 4.3 werden nacheinander vom Räderzug getrennt und beim Erreichen der Druckstellung, also in der Einrast-Stellung I, wieder in den Räderzug einbezogen, indem die betreffende Kupplung 8.1, 8.2, 8.3 betätigt wird.After changing the printing plates, the plate cylinders 4.1, 4.2, 4.3 remain connected to the main drive for the time being. The plate cylinders 4.1, 4.2, 4.3 are successively separated from the gear train and, when reaching the pressure position, that is to say in the snap-in position I, again incorporated into the gear train by actuating the clutch 8.1, 8.2, 8.3 in question .
Alternativ besteht die Möglichkeit, die Plattenzylinder 4.1, 4.2, 4.3 auch sofort nach dem Wechsel der Druckplatten gleichzeitig Räderzug zu trennen und danach den Hauptantrieb wieder in Betrieb zu nehmen. Anschließend wird bei jedem Plattenzylinder 4.1, 4.2, 4.3 die Verbindung zum Hauptantrieb wieder hergestellt, sobald sich dieser in seiner Druckstellung befindet.Alternatively, it is possible to immediately turn the plate cylinders 4.1, 4.2, 4.3 after changing the pressure plates, simultaneously disconnect the gear train and then to put the main drive back into operation. Then everyone will Plate cylinder 4.1, 4.2, 4.3 re-established the connection to the main drive, as soon as it is in its pressure position.
Eine weitere Ausführungsform des erfindungsgemäßen Verfahrens unterscheidet sich von der oben genannten Form dadurch, dass die Plattenzylinder 4.1, 4.2, 4.3 jeweils beim Erreichen einer für alle Plattenzylinder 4.1, 4.2, 4.3 festlegbaren, einheitlichen Stellung zum Räderzug vom Hauptantrieb getrennt werden. Diese entspricht dann nicht der Druckplattenwechselstellung. Dabei werden die Plattenzylinder 4.1, 4.2, 4.3 ebenso wie im oben angeführtem Beispiel gebremst und/oder formschlüssig in dieser Stellung fixiert. Anschließend wird der Hauptantrieb betätigt und damit die Plattenzylinder 4.1, 4.2, 4.3 in die Druckplattenwechselstellung gebracht. Dort erfolgt der Wechsel der Druckplatten. Nach dem Druckplattenwechsel werden die Plattenzylinder 4.1, 4.2, 4.3 auf die oben beschriebene Weise wieder in die Druckstellung gebracht.Another embodiment of the method according to the invention differs from the above-mentioned form in that the plate cylinders 4.1, 4.2, 4.3 are each separated from the main drive when a uniform position, which can be determined for all plate cylinders 4.1, 4.2, 4.3 , is reached. This does not correspond to the pressure plate change position. The plate cylinders 4.1, 4.2, 4.3 are braked and / or positively fixed in this position, as in the example given above. The main drive is then actuated and the plate cylinders 4.1, 4.2, 4.3 are brought into the pressure plate change position. The printing plates are changed there. After changing the printing plate, the plate cylinders 4.1, 4.2, 4.3 are brought back into the printing position in the manner described above.
In einer weiteren Ausführungsform werden alle Plattenzylinder 4.1, 4.2, 4.3 von ihren Antrieben getrennt. Die Druckmaschine dreht mit geringer Geschwindigkeit weiter. In einer festlegbaren, für alle Plattenzylinder 4.1, 4.2, 4.3 einheitlichen Stellung zum Räderzug wird die Verbindung zum Räderzug wieder hergestellt. Der Hauptantrieb bringt nun die Plattenzylinder 4.1, 4.2, 4.3 in die Druckplattenwechselstellung, so dass dort der Druckplattenwechsel vollzogen werden kann. Nach dem Druckplattenwechsel werden die Plattenzylinder 4.1, 4.2, 4.3 wieder ausgekuppelt und auf die oben beschriebene Weise wieder mit dem Räderzug verbunden. In a further embodiment, all plate cylinders 4.1, 4.2, 4.3 are separated from their drives. The press continues to rotate at low speed. In a definable, uniform position for all plate cylinders 4.1, 4.2, 4.3 to the gear train, the connection to the gear train is restored. The main drive now brings the plate cylinders 4.1, 4.2, 4.3 into the printing plate change position, so that the pressure plate change can be carried out there. After changing the printing plates, the plate cylinders 4.1, 4.2, 4.3 are disengaged again and reconnected to the gear train in the manner described above.
1.2 Druckwerk
1.3
2.1
2.2 Farbwerk
2.3
3.1
3.2 Feuchtwerk
3.3
4.1
4.2 Plattenzylinder
4.3
5.1
5.2 Gummizylinder
5.3
6.1
6.2 Druckzylinder
6.3
7.1
7.2 Übergabetrommel
7.3
8.1
8.2 Kupplung
8.3
9 Einrastbolzen
101 antriebseitige Kupplungshälfte
102 abtriebseitige Kupplungshälfte
11.1 Plattenzylinder-Antriebsrad
11.2
11.3
12.1
12.2 Druckplattenwechsel-Einrichtung
12.3
Einrast-Stellung I
Einrast-Stellung II 1.1
1.2 printing unit
1.3
2.1
2.2 inking unit
2.3
3.1
3.2 dampening system
3.3
4.1
4.2 plate cylinder
4.3
5.1
5.2 rubber cylinder
5.3
6.1
6.2 impression cylinder
6.3
7.1
7.2 transfer drum
7.3
8.1
8.2 Coupling
8.3
9 locking bolts
101 drive coupling half
102 output half of the coupling
11.1 Plate cylinder drive wheel
11.2
11.3
12.1
12.2 Pressure plate changing device
12.3
Lock position I
Lock position II
Claims (15)
dadurch gekennzeichnet, dass
characterized in that
dadurch gekennzeichnet, dass
characterized in that
dadurch gekennzeichnet, dass
characterized in that
dadurch gekennzeichnet, dass
die Einrast-Stellungen so gelegt sind, dass eine Einrast-Stellung I die Druckstellung und eine Einrast-Stellung II die für alle Druckwerke einheitliche Druckplattenwechselstellung der Plattenzylinder (4.1, 4.2, 4.3) zur gestellfesten Druckplattenwechsel-Einrichtung (12.1; 12.2, 12.3) festlegt.Device for changing printing plates on a printing press, the printing press consisting of a plurality of printing units having at least one plate cylinder (4.1, 4.2, 4.3) and having a closed gear train starting from a main drive, which also has switchable clutches (8.1, 8.2, 8.3) the plate cylinders (4.1, 4.2, 4.3) are connected and the switchable couplings (8.1, 8.2, 8.3) have snap-in positions,
characterized in that
the snap-in positions are set in such a way that a snap-in position I defines the printing position and a snap-in position II the printing plate change position of the plate cylinder (4.1, 4.2, 4.3), which is uniform for all printing units , for the frame-fixed pressure plate changing device (12.1; 12.2, 12.3) ,
dadurch gekennzeichnet, dass
die Einrast-Stellungen so gelegt sind, dass eine Einrast-Stellung I die Druckstellung und eine Einrast-Stellung II eine für alle Druckwerke einheitliche Stellung zum Räderzug festlegt.Device for changing printing plates on a printing press, the printing press consisting of a plurality of printing units (1.1, 1.2, 1.3) having at least one plate cylinder (4.1, 4.2, 4.3) and having a closed gear train which starts from a main drive and which can be switched via switchable couplings ( 8.1, 8.2, 8.3) is connected to the plate cylinders (4.1, 4.2, 4.3) and the switchable couplings (8.1, 8.2, 8.3) have snap-in positions,
characterized in that
the snap-in positions are set in such a way that a snap-in position I defines the pressure position and a snap-in position II a position that is uniform for all printing units with respect to the gear train.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2002122003 DE10222003A1 (en) | 2002-05-17 | 2002-05-17 | Method and device for changing printing plates |
| DE10222003 | 2002-05-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1362700A2 true EP1362700A2 (en) | 2003-11-19 |
| EP1362700A3 EP1362700A3 (en) | 2004-06-30 |
| EP1362700B1 EP1362700B1 (en) | 2006-08-02 |
Family
ID=29265343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20030010035 Expired - Lifetime EP1362700B1 (en) | 2002-05-17 | 2003-05-02 | Method and device for changing printing plates |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1362700B1 (en) |
| DE (2) | DE10222003A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005019539A1 (en) * | 2005-04-27 | 2006-11-09 | Koenig & Bauer Ag | Method and device for driving rotational bodies of a printing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435413B1 (en) | 1989-12-26 | 1995-09-13 | Komori Corporation | Method of replacing plate for printing press and apparatus therefor |
| EP0533307B1 (en) | 1991-09-19 | 1996-03-13 | Komori Corporation | Automatic plate exchange/plate registration method and apparatus |
| DE19511686A1 (en) | 1995-03-30 | 1996-10-02 | Heidelberger Druckmasch Ag | Printing plate change procedure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103145A (en) * | 1988-10-13 | 1990-04-16 | Mitsubishi Heavy Ind Ltd | Apparatus for independent driving of printing unit |
| DE4223583B4 (en) * | 1992-07-17 | 2005-02-24 | Heidelberger Druckmaschinen Ag | Method for driving the plate change in a sheet-fed press and drive for performing the method |
| DE19640649A1 (en) * | 1996-10-02 | 1998-04-16 | Roland Man Druckmasch | Drive for a sheet printing machine |
-
2002
- 2002-05-17 DE DE2002122003 patent/DE10222003A1/en not_active Ceased
-
2003
- 2003-05-02 EP EP20030010035 patent/EP1362700B1/en not_active Expired - Lifetime
- 2003-05-02 DE DE50304421T patent/DE50304421D1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0435413B1 (en) | 1989-12-26 | 1995-09-13 | Komori Corporation | Method of replacing plate for printing press and apparatus therefor |
| EP0533307B1 (en) | 1991-09-19 | 1996-03-13 | Komori Corporation | Automatic plate exchange/plate registration method and apparatus |
| DE19511686A1 (en) | 1995-03-30 | 1996-10-02 | Heidelberger Druckmasch Ag | Printing plate change procedure |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50304421D1 (en) | 2006-09-14 |
| EP1362700B1 (en) | 2006-08-02 |
| DE10222003A1 (en) | 2003-12-04 |
| EP1362700A3 (en) | 2004-06-30 |
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