EP0716921A1 - Device for changing printing plates - Google Patents

Device for changing printing plates Download PDF

Info

Publication number
EP0716921A1
EP0716921A1 EP95117832A EP95117832A EP0716921A1 EP 0716921 A1 EP0716921 A1 EP 0716921A1 EP 95117832 A EP95117832 A EP 95117832A EP 95117832 A EP95117832 A EP 95117832A EP 0716921 A1 EP0716921 A1 EP 0716921A1
Authority
EP
European Patent Office
Prior art keywords
plate
printing
receptacle
printing plate
changer
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
EP95117832A
Other languages
German (de)
French (fr)
Other versions
EP0716921B1 (en
Inventor
Claus Simeth
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0716921A1 publication Critical patent/EP0716921A1/en
Application granted granted Critical
Publication of EP0716921B1 publication Critical patent/EP0716921B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206—Feeding to or removing from the forme cylinder

Definitions

  • the invention relates to a device for changing printing plates according to the preamble of claim 1.
  • the tension and clamping of the edge assigned to the printing end of the printing plate is first released in order then to be able to remove the printing plate by turning the plate cylinder backwards. After the printing start of the plate cylinder with the associated clamping rail has reached a certain position, the clamping of the printing plate front edge is released. After the pressure plate has been removed from the detection area of the clamping rail at the start of printing, a new pressure plate can be inserted and clamped in this detection area. By turning the plate cylinder forward, the new pressure plate is drawn onto its outer circumference. The rear edge of the pressure plate is then inserted into the associated clamping rail with subsequent clamping and tensioning.
  • a printing plate changer in the form of a magazine is known from DE 4 224 832 C2.
  • This printing plate changer is vertically displaceable on the delivery side of the printing unit and is additionally pivotable about a horizontal axis.
  • the cuboid-shaped magazine in this case contains printing plates to be fed and also receives a printing plate which is conveyed away by the plate cylinder.
  • This magazine extends into the space between two printing units, so that when implementing such a solution, efforts are made to keep the dimensions that protrude into the space between the printing units as small as possible.
  • this in turn means that the receptacle for the used printing plate - also cuboid - becomes relatively narrow or narrow.
  • a printing plate conveyed away from the plate cylinder has a partly pronounced curvature because of the cylinder curvature and the printing work performed on it. Furthermore, the edge areas of the used printing plate are additionally curved by the clamping devices, in particular of the printing end. The conveying of a curved and edged used printing plate into a too flat, cuboid-shaped receptacle counteracts the risk of tilting, so that any malfunctions caused by additional construction work must be counteracted.
  • a printing plate changer is also known from DE 3 940 796 C2, which has an integrated receptacle for a used printing plate.
  • the receptacle for the used printing plate is partially curved above the conveyor device designed as transport rollers towards the plate cylinder.
  • a curved shaped used printing plate can be conveyed into a receptacle shaped in this way much more easily.
  • the disadvantage of this device is that, on the one hand, the conveying device is arranged relatively close to the plate cylinder, so that not only is its accessibility impeded.
  • the upper part of the receptacle for the used printing plate is again designed as a straight, flat shaft, so that here again by tilting or the like blocking or damage to the used printing plate.
  • a printing plate changer pivotally mounted above a printing unit is known from JP 61-248834A.
  • This printing plate changer is in a normal position horizontally oriented above the printing unit. To change the printing plates, they are swung down and placed on the plate cylinder. Because of the cuboid, flat design of the printing plate changer, difficulties with the removal of curved and otherwise curved used printing plates are also to be feared here.
  • the object of the present invention is therefore to develop a printing plate changer in accordance with the preamble of claim 1 such that the disadvantages mentioned above can be avoided.
  • the receptacle for the used printing plates is designed as a separate part of the printing plate changer.
  • the receptacle is attached to the pressure plate changer and can be removed in relation to it. This measure makes it possible to design the printing plate changer for feeding the new but also removing the old printing plate on the delivery side of the printing unit with as little depth as possible, but to design the receptacle for the used printing plate in such a way that a printing plate having a curvature is largely undisturbed in it is to be promoted.
  • the receptacle has a curvature which is of the order of magnitude that a used one conveyed away from the plate cylinder Pressure plate has embossed due to the cylinder geometry.
  • the receptacle can be made essentially as a frame construction, the pressure plate being gently carried by brushing on both its printing and the rear side.
  • the used pressure plate can be removed from the side of the receptacle.
  • FIG. 1 shows the printing unit of a sheet-fed offset printing machine with a plate cylinder 1 arranged therein.
  • a printing plate 2 which is to be changed, is clamped on this plate cylinder 1. Clamping and tensioning devices for the pressure plates are not shown here.
  • a printing plate changer 3 On the delivery side of the printing unit, a printing plate changer 3 is arranged, which has a conveying device for new and used printing plates 2, 5 in the form of transport rollers. A new pressure plate 5 is provided in the pressure plate changer 3 through openings arranged on the top.
  • This receptacle 6 is designed as a curved shaft.
  • the plate cylinder 1 (arrow) is rotated backwards and the rear end of the printing plate 2 is conveyed out until it reaches the effective area of the conveying device 4.
  • the holding container 6 was previously pivoted from the position shown in FIG. 1 (basic position during printing) into the plate holding position according to FIG. 2 by actuating devices, not shown and articulated, for example, on the levers 9.
  • the receptacle 6 has a gap-shaped opening on the side shown in FIG. 2 below. Guide devices which guide the printing plate from the plate cylinder to the conveying device 4 are not shown.
  • the conveyor 4 takes over the pushing of the used printing plate 2 into the receptacle 6 attached to the printing plate changer 3.
  • the conveyor 4 (shown here for example as transport rollers) promote the used pressure plate 2 in the curved-shaped receptacle 6 (Fig. 3).
  • the receptacle 6 can be pivoted back into its basic position by actuating the adjusting means (not shown). Now the new printing plate 5 is fed by the conveyor 4 of the printing plate changer 3 to the plate cylinder 1. In a manner known per se, the front edge of the printing plate 5 is clamped to the plate cylinder. For this purpose, the plate cylinder 1 is rotated in the forward direction during the mounting of the new printing plate 5.
  • the receptacle 6 for the used printing plate is articulated two at its two outer ends by a five-bar linkage formed by the levers 7, 8, 9 above the printing unit.
  • a curve 10 is firmly attached to the lever 7, the concave side of which has a roller 11 rotatably attached to the lever 9 cooperates (Fig. 5 and 6). Due to this forced guidance of the curve 10 by the roller 11 and the geometry of the linkages and dimensions of the levers 7, 8, 9, the receptacle 6 leads the required adjusting movement from the basic position according to FIG. 5 to the receiving position for a used printing plate, not shown here Fig. 6 from.
  • the pressure plate changer from which the used pressure plate is conveyed into the receiving container 6 is not shown in FIGS. 5 and 6.
  • Fig. 7 shows a perspective view of the printing plate changer attached to the delivery side of the printing unit with a new printing plate 5 provided therein to be supplied to the plate cylinder (not shown) Insertion opening turned on.
  • the receiving container 6 After the used printing plate, not shown, has been fed into the receiving container 6, the latter is pivoted in its basic position according to FIG. 8.
  • the new printing plate 5 shown in FIG. 7 to be fed to the plate cylinder has already been fed to the plate cylinder in the representation according to FIG. 8 and has been clamped onto it.
  • the used printing plate conveyed into the receiving container 6 can now be removed from it during the printing of a new job.
  • the used printing plate can be removed through lateral removal slots, that is to say on the A or B side.
  • Fig. 9 shows that the printing plate changer 3 by each Side rails walls attached guide rails 12, which are designed as a telescopic guide, is vertically displaceable.
  • the printing plate changer 3 can thus be moved in particular beyond the printing unit, so that there is access to the inking unit and in particular the ink fountain.
  • the receptacle 6 in its basic position has been pivoted in such a way by the articulation according to the invention that it does not hinder the vertical mobility of the printing plate changer 3.
  • the receptacle 6 need not be a closed container, but rather can be designed as a largely open frame construction. It is essential that the receptacle 6 is on the pressure plate changer 3 and off with respect to this.
  • the receptacle 6 according to the invention also has a curvature which extends in the printing direction of the printing plates and which is in particular of the order of magnitude which a used printing plate takes up after the plate cylinder has been removed.
  • the curved shape of the receptacle 6 thus makes it much easier to bring in a used printing plate.
  • brushes are arranged in strips in the receptacle 6, which carry the printing plate on its printing but also on the rear side.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Printing Methods (AREA)

Abstract

The pick-up container (6) for the used plate (2) is mounted where it can be set on and removed from the printing plate changer (3). The container can swivel above the printing mechanism. It is pref. curved running in the printing direction of the used plate. The curvature of the container can be in the order of the curvature which a used plate has which is removed from the plate cylinder (1). A used plate can be removed from the container vertically relative to the conveyor direction of the used plate. The container pref. has brushes to guide the used plate.

Description

Die Erfindung betrifft eine Vorrichtung zum Wechseln von Druckplatten gemäß dem Oberbegriff von Anspruch 1.The invention relates to a device for changing printing plates according to the preamble of claim 1.

Bei Bogenoffsetdruckmaschinen wird zum Wechseln einer auf dem Plattenzylinder befindlichen Druckplatte zunächst die Spannung und Klemmung der dem Druckende der Druckplatte zugeordneten Kante gelöst um daraufhin die Druckplatte durch Rückwärtsdrehen des Plattenzylinders entnehmen zu können. Nachdem der Druckanfang des Plattenzylinders mit der dazugehörigen Klemmschiene eine bestimmte Stellung eingenommen hat, erfolgt das Lösen der Klemmung der Druckplattenvorderkante. Nachdem die Druckplatte aus dem Erfassungsbereich der Klemmschiene des Druckanfangs entnommen worden ist, kann eine neue Druckplatte in diesen Erfassungsbereich eingelegt und geklemmt werden. Durch Vorwärtsdrehen des Plattenzylinders wird die neue Druckplatte auf dessen Außenumfang aufgezogen. Sodann erfolgt das Einführen der hinteren Kante der Druckplatte in die zugeordnete Klemmschiene mit anschließendem Klemmen und Spannen.In sheet-fed offset printing machines, in order to change a printing plate located on the plate cylinder, the tension and clamping of the edge assigned to the printing end of the printing plate is first released in order then to be able to remove the printing plate by turning the plate cylinder backwards. After the printing start of the plate cylinder with the associated clamping rail has reached a certain position, the clamping of the printing plate front edge is released. After the pressure plate has been removed from the detection area of the clamping rail at the start of printing, a new pressure plate can be inserted and clamped in this detection area. By turning the plate cylinder forward, the new pressure plate is drawn onto its outer circumference. The rear edge of the pressure plate is then inserted into the associated clamping rail with subsequent clamping and tensioning.

In der Vergangenheit sind eine Vielzahl von automatischen Druckplattenwechslern bekannt geworden, bei welchen das zuvorstehend beschriebene Entnehmen sowie Zuführen einer Druckplatte von bzw. zum Plattenzylinder selbsttätig durch Fördereinrichtungen erfolgt. Der Plattenzylinder weist dazu entsprechende Betätigungseinrichtungen auf, vermittels den das Klemmen und Spannen der Druckplatte handhabungsfrei erfolgt. Eine neu zuzuführende Druckplatte ist dabei in dem Druckplattenwechsler bereitstellbar und die dem Plattenzylinder zu entnehmende Druckplatte wird durch die Fördereinrichtungen in einen Aufnahmebehälter gefördert.In the past, a large number of automatic printing plate changers have become known, in which the removal and supply of a printing plate described above are carried out automatically by conveying devices. For this purpose, the plate cylinder has corresponding actuating devices, by means of which the clamping and tensioning of the printing plate takes place without any handling. A new pressure plate to be supplied can be provided in the pressure plate changer, and the pressure plate to be removed from the plate cylinder is conveyed into a receiving container by the conveying devices.

Ein Druckplattenwechsler in Form eines Magazins ist aus der DE 4 224 832 C2 bekannt. Dieser Druckplattenwechsler ist hierbei an der Auslegerseite des Druckwerkes vertikal verschiebbar und zusätzlich noch um eine horizontale Achse verschwenkbar angeordnet. Das quaderförmig ausgebildete Magazin beinhaltet dabei zuzuführende Druckplatten und nimmt ferner auch eine vom Plattenzylinder abgeförderte Druckplatte auf. Dieses Magazin reicht in den Raum zwischen zwei Druckwerken, so daß man bei einer Realisierung einer derartigen Lösung bestrebt ist, die Baumaße, welche in den Raum zwischen den Druckwerken hineinragen, möglichst klein zu halten. Dies bedingt aber wiederum, daß der Aufnahmebehälter für die gebrauchte Druckplatte - ebenfalls quaderförmig - relativ schmal bzw. eng wird. Eine vom Plattenzylinder abgeförderte Druckplatte weist wegen der Zylinderkrümmung und der an ihr geleisteten Druckarbeit eine zum Teil ausgeprägte Wölbung auf. Ferner sind durch die Klemmeinrichtungen insbesondere des Druckendes die Kantenbereiche der gebrauchten Druckplatte noch zusätzlich gekrümmt. Das Einfördern einer gewölbten und gekanteten gebrauchten Druckplatte in ein zu flachen, quaderförmig ausgebildeten Aufnahmebehälter wirkt dabei die Gefahr des Verkantens, so daß evtl. Störungen durch zusätzlichen Bauaufwand entgegen gewirkt werden muß.A printing plate changer in the form of a magazine is known from DE 4 224 832 C2. This printing plate changer is vertically displaceable on the delivery side of the printing unit and is additionally pivotable about a horizontal axis. The cuboid-shaped magazine in this case contains printing plates to be fed and also receives a printing plate which is conveyed away by the plate cylinder. This magazine extends into the space between two printing units, so that when implementing such a solution, efforts are made to keep the dimensions that protrude into the space between the printing units as small as possible. However, this in turn means that the receptacle for the used printing plate - also cuboid - becomes relatively narrow or narrow. A printing plate conveyed away from the plate cylinder has a partly pronounced curvature because of the cylinder curvature and the printing work performed on it. Furthermore, the edge areas of the used printing plate are additionally curved by the clamping devices, in particular of the printing end. The conveying of a curved and edged used printing plate into a too flat, cuboid-shaped receptacle counteracts the risk of tilting, so that any malfunctions caused by additional construction work must be counteracted.

Aus der DE 3 940 796 C2 ist ebenfalls ein Druckplattenwechsler bekannt, der einen Aufnahmebehälter für eine gebrauchte Druckplatte integriert aufweist. Der Aufnahmebehälter für die gebrauchte Druckplatte ist oberhalb der als Transportrollen ausgebildeten Fördereinrichtung teilweise zum Plattenzylinder hin mit gekrümmt ausgebildet. In einen derartig geformten Aufnahmebehälter kann eine gekrümmt geformte gebrauchte Druckplatte wesentlich einfacher hereingefördert werden. Nachteilig ist aber bei dieser Einrichtung, daß zum einen die Fördereinrichtung relativ nah am Plattenzylinder angeordnet sind, so daß nicht nur dessen Zugänglichkeit behindert ist. Ferner ist der obere Teile des Aufnahmebehälters für die gebrauchte Druckplatte wiederum als gerader, flacher Schacht ausgeführt, so daß es hier wiederum durch Verkanten oder dgl. zu einem Blockieren oder Beschädigen der gebrauchten Druckplatte kommen kann.A printing plate changer is also known from DE 3 940 796 C2, which has an integrated receptacle for a used printing plate. The receptacle for the used printing plate is partially curved above the conveyor device designed as transport rollers towards the plate cylinder. A curved shaped used printing plate can be conveyed into a receptacle shaped in this way much more easily. The disadvantage of this device, however, is that, on the one hand, the conveying device is arranged relatively close to the plate cylinder, so that not only is its accessibility impeded. Furthermore, the upper part of the receptacle for the used printing plate is again designed as a straight, flat shaft, so that here again by tilting or the like blocking or damage to the used printing plate.

Ein oberhalb eines Druckwerkes verschwenkbar gelagerter Druckplattenwechsler ist aus der JP 61-248834A bekannt. Dieser Druckplattenwechsler befindet sich in einer Normalposition horizontal orientiert oberhalb des Druckwerkes. Zum Wechseln der Druckplatten wird dieser heruntergeschwenkt und an den Plattenzylinder angestellt. Wegen der quaderförmigen, flachen Ausbildung des Druckplattenwechslers sind hier ebenfalls Schwierigkeiten beim Abfördern gewölbter und sonstwie gekrümmter gebrauchter Druckplatten zu befürchten.A printing plate changer pivotally mounted above a printing unit is known from JP 61-248834A. This printing plate changer is in a normal position horizontally oriented above the printing unit. To change the printing plates, they are swung down and placed on the plate cylinder. Because of the cuboid, flat design of the printing plate changer, difficulties with the removal of curved and otherwise curved used printing plates are also to be feared here.

Aufgabe der vorliegenden Erfindung ist es daher, einen Druckplattenwechsler gemäß dem Oberbegriff von Anspruch 1 derartig weiterzubilden, so daß die voranstehend genannten Nachteile vermieden werden können.The object of the present invention is therefore to develop a printing plate changer in accordance with the preamble of claim 1 such that the disadvantages mentioned above can be avoided.

Gelöst wird diese Aufgabe durch die kennzeichnenden Merkmale von Anspruch 1. Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.This object is achieved by the characterizing features of claim 1. Further developments of the invention result from the subclaims.

Gemäß der Erfindung ist vorgesehen, deren Aufnahmebehälter für die gebrauchten Druckplatten als separaten Teil des Druckplattenwechslers auszuführen. Der Aufnahmebehälter ist dazu an den Druckplattenwechsler an- und bezüglich diesem abstellbar gelagert. Durch diese Maßnahme ist es möglich den Druckplattenwechsler zum Zuführen der neuen aber auch Abfördern der alten Druckplatte an der Auslegerseite des Druckwerkes möglichst mit geringer Bautiefe auszuführen, den Aufnahmebehälter für die gebrauchte Druckplatte aber derartig zu gestalten, so daß eine Wölbung aufweisende Druckplatte weitestgehend störungsfrei in diesen einzufördern ist.According to the invention it is provided that the receptacle for the used printing plates is designed as a separate part of the printing plate changer. For this purpose, the receptacle is attached to the pressure plate changer and can be removed in relation to it. This measure makes it possible to design the printing plate changer for feeding the new but also removing the old printing plate on the delivery side of the printing unit with as little depth as possible, but to design the receptacle for the used printing plate in such a way that a printing plate having a curvature is largely undisturbed in it is to be promoted.

Gemäß einer bevorzugten Weiterbildung der Erfindung ist vorgesehen, daß der Aufnahmebehälter eine Krümmung aufweist, die in der Größenordnung liegt, welche eine vom Plattenzylinder abgeförderte gebrauchte Druckplatte aufgrund der Zylindergeometrie aufgeprägt aufweist. Der Aufnahmebehälter kann dabei im wesentlichen als eine Rahmenkonstruktion gefertigt sein, wobei die Druckplatte schonungsvoll durch Bürsten sowohl auf Ihrer druckenden als auch der rückwärtigen Seite getragen wird. Insbesondere kann vorgesehen sein, daß die gebrauchte Druckplatte dem Aufnahmebehälter seitlich entnehmbar ist.According to a preferred development of the invention, it is provided that the receptacle has a curvature which is of the order of magnitude that a used one conveyed away from the plate cylinder Pressure plate has embossed due to the cylinder geometry. The receptacle can be made essentially as a frame construction, the pressure plate being gently carried by brushing on both its printing and the rear side. In particular, it can be provided that the used pressure plate can be removed from the side of the receptacle.

Des weiteren erfolgt die Erläuterung eines Ausführungsbeispieles der Erfindung anhand der Zeichnungen.Furthermore, an embodiment of the invention is explained with reference to the drawings.

Es zeigt:

Fig. 1 bis 4
die Arbeitsweise des erfindungsgemäßen Druckplattenwechslers,
Fig. 5 und 6
die getriebetechnische Anlenkung des Aufnahmebehälters, und
Fig. 7 bis 9
perspektivisch den Aufnahmebehälter in seinem Zusammenwirken mit dem Druckplattenwechsler.
It shows:
1 to 4
the operation of the printing plate changer according to the invention,
5 and 6
the transmission linkage of the receptacle, and
7 to 9
perspective of the receptacle in its interaction with the pressure plate changer.

Fig. 1 zeigt das Druckwerk einer Bogenoffsetdruckmaschine mit einem darin angeordneten Plattenzylinder 1. Auf diesem Plattenzylinder 1 ist eine Druckplatte 2 aufgespannt, welche gewechselt werden soll. Klemm- und Spanneinrichtungen für die Druckplatten sind hierbei nicht dargestellt.1 shows the printing unit of a sheet-fed offset printing machine with a plate cylinder 1 arranged therein. A printing plate 2, which is to be changed, is clamped on this plate cylinder 1. Clamping and tensioning devices for the pressure plates are not shown here.

An der Auslegerseite des Druckwerkes ist ein Druckplattenwechsler 3 angeordnet, der eine Fördereinrichtung für neue sowie gebrauchte Druckplatten 2, 5 in Form von Transportrollen aufweist. In den Druckplattenwechsler 3 ist durch eine an der Oberseite angeordnete Öffnungen eine neue Druckplatte 5 bereitgestellt.On the delivery side of the printing unit, a printing plate changer 3 is arranged, which has a conveying device for new and used printing plates 2, 5 in the form of transport rollers. A new pressure plate 5 is provided in the pressure plate changer 3 through openings arranged on the top.

Oberhalb des dargestellten Druckwerkes ist jeweils an den Seitengestellwanden durch Hebel 7, 8, 9, welche insgesamt ein Fünfgelenk bilden, ein Aufnahmebehälter 6 angelenkt. Dieser Aufnahmebehälter 6 ist dabei als ein gekrümmt geformter Schacht ausgebildet.Above the printing unit shown is the Sidebar walls articulated by levers 7, 8, 9, which together form a five-joint, a receptacle 6. This receptacle 6 is designed as a curved shaft.

Nachdem, ausgehend von der Situation gemäß Fig. 1, das Druckende der gebrauchten Druckplatte 2 freigegeben worden ist, erfolgt ein Rückwärtsdrehen des Plattenzylinders 1 (Pfeil) das Herausfördern des rückwärtigen Endes der Druckplatte 2 bis dieses in den Wirkbereich der Fördereinrichtung 4 gelangt. Zuvor wurde durch nicht dargestellte und beispielsweise an den Hebeln 9 angelenkte Betätigungseinrichtungen der Aufnahmebehälter 6 von der in Fig. 1 dargestellten Position (Grundposition während des Druckens) in die Plattenaufnahmeposition gemäß Fig. 2 verschwenkt. Der Aufnahmebehälter 6 weist dazu an der in Fig. 2 unten dargestellten Seite eine spaltförmige Öffnung auf. Leiteinrichtungen, welche die Druckplatte vom Plattenzylinder zu der Fördereinrichtung 4 leiten sind nicht dargestellt.After the printing end of the used printing plate 2 has been released, starting from the situation according to FIG. 1, the plate cylinder 1 (arrow) is rotated backwards and the rear end of the printing plate 2 is conveyed out until it reaches the effective area of the conveying device 4. The holding container 6 was previously pivoted from the position shown in FIG. 1 (basic position during printing) into the plate holding position according to FIG. 2 by actuating devices, not shown and articulated, for example, on the levers 9. For this purpose, the receptacle 6 has a gap-shaped opening on the side shown in FIG. 2 below. Guide devices which guide the printing plate from the plate cylinder to the conveying device 4 are not shown.

Nachdem die gebrauchte Druckplatte 2 mit ihrer hinteren Kante in den Wirkbereich der Fördereinrichtung 4 gelangt ist, übernimmt die Fördereinrichtung 4 das Hereinschieben der gebrauchten Druckplatte 2 in den an den Druckplattenwechsler 3 angestellten Aufnahmebehälter 6. Die Fördereinrichtung 4 (hier beispielsweise als Transportrollen dargestellt) fördern die gebrauchte Druckplatte 2 in den gekrümmt geformten Aufnahmebehälter 6 (Fig. 3).After the used printing plate 2 has reached with its rear edge in the effective area of the conveyor 4, the conveyor 4 takes over the pushing of the used printing plate 2 into the receptacle 6 attached to the printing plate changer 3. The conveyor 4 (shown here for example as transport rollers) promote the used pressure plate 2 in the curved-shaped receptacle 6 (Fig. 3).

Nachdem die Druckplatte 2 vollständig in den Aufnahmebehälter 6 reingefördert ist, kann durch Ansteuern der nicht dargestellten Stellmittel der Aufnahmebehälter 6 wieder in seine Grundposition verschwenkt werden. Nun erfolgt das Zuführen der neuen Druckplatte 5 durch die Fördereinrichtung 4 des Druckplattenwechslers 3 zum Plattenzylinder 1. In an sich bekannter Weise wird die Vorderkante der Druckplatte 5 am Plattenzylinder geklemmt. Während des Aufziehens der neuen Druckplatte 5 wird dazu der Plattenzylinder 1 in Vorwärtsrichtung gedreht.After the pressure plate 2 is completely conveyed into the receptacle 6, the receptacle 6 can be pivoted back into its basic position by actuating the adjusting means (not shown). Now the new printing plate 5 is fed by the conveyor 4 of the printing plate changer 3 to the plate cylinder 1. In a manner known per se, the front edge of the printing plate 5 is clamped to the plate cylinder. For this purpose, the plate cylinder 1 is rotated in the forward direction during the mounting of the new printing plate 5.

Wie voranstehend erwähnt ist der Aufnahmebehälter 6 für die gebrauchte Druckplatte zwei an seinen beiden formatäußeren Enden durch je ein durch die Hebel 7, 8, 9 gebildetes Fünfgelenk oberhalb des Druckwerkes angelenkt. Um dem an sich zwanglosen Fünfgelenk der Hebel 7, 8, 9 in Verbindung mit einem Teil des Aufnahmebehälters als Koppel eine Zwangsführung aufzuprägen, ist an dem Hebel 7 eine Kurve 10 fest angebracht, deren konkave Seite mit jeweils einem am Hebel 9 drehbar angebrachten Rolle 11 zusammenwirkt (Fig. 5 und 6). Durch diese Zwangsführung der Kurve 10 durch die Rolle 11 sowie die Geometrie der Anlenkungen und Abmessungen der Hebel 7, 8, 9 führt der Aufnahmebehälter 6 die geforderte Anstellbewegung ausgehend von der Grundposition gemäß Fig. 5 zu der Aufnahmeposition für eine hier nicht dargestellte gebrauchte Druckplatte gemäß Fig. 6 aus. Der Druckplattenwechsler, aus welchem heraus die gebrauchte Druckplatte in den Aufnahmebehälter 6 gefördert wird, ist in den Fig. 5 und 6 nicht dargestellt.As mentioned above, the receptacle 6 for the used printing plate is articulated two at its two outer ends by a five-bar linkage formed by the levers 7, 8, 9 above the printing unit. In order to impart a positive guidance to the per se informal five-bar linkage of the levers 7, 8, 9 in connection with a part of the receptacle as a coupling, a curve 10 is firmly attached to the lever 7, the concave side of which has a roller 11 rotatably attached to the lever 9 cooperates (Fig. 5 and 6). Due to this forced guidance of the curve 10 by the roller 11 and the geometry of the linkages and dimensions of the levers 7, 8, 9, the receptacle 6 leads the required adjusting movement from the basic position according to FIG. 5 to the receiving position for a used printing plate, not shown here Fig. 6 from. The pressure plate changer from which the used pressure plate is conveyed into the receiving container 6 is not shown in FIGS. 5 and 6.

Fig. 7 zeigt perspektivisch den an der Auslegerseite des Druckwerks angebrachten Druckplattenwechsler mit einer darin bereitgestellten dem Plattenzylinder (nicht dargestellt) zuzuführenden neuen Druckplatte 5. Der Aufnahmebehälter für die gebrauchte Druckplatte (nicht dargestellt) ist an den Druckplattenwechsler 3 (an dessen Oberseite) mit seiner Einführöffnung angestellt. Nachdem die nicht dargestellte gebrauchte Druckplatte in den Aufnahmebehälter 6 eingefördert worden ist, wird dieser in seiner Grundposition gemäß Fig. 8 verschwenkt. Die in Fig. 7 dargestellte dem Plattenzylinder zuzuführende neue Druckplatte 5 ist in der Darstellung gemäß Fig. 8 dem Plattenzylinder bereits zugeführt und auf diesen festgespannt worden. Die in den Aufnahmebehälter 6 hereingeförderte gebrauchte Druckplatte kann diesem nun während des Druckens eines neuen Auftrages entnommen werden. Dazu kann vorgesehen sein, daß die gebrauchte Druckplatte durch seitliche Entnahmeschlitze, also zu A- oder B-Seite entnehmbar ist.Fig. 7 shows a perspective view of the printing plate changer attached to the delivery side of the printing unit with a new printing plate 5 provided therein to be supplied to the plate cylinder (not shown) Insertion opening turned on. After the used printing plate, not shown, has been fed into the receiving container 6, the latter is pivoted in its basic position according to FIG. 8. The new printing plate 5 shown in FIG. 7 to be fed to the plate cylinder has already been fed to the plate cylinder in the representation according to FIG. 8 and has been clamped onto it. The used printing plate conveyed into the receiving container 6 can now be removed from it during the printing of a new job. For this purpose, it can be provided that the used printing plate can be removed through lateral removal slots, that is to say on the A or B side.

Fig. 9 zeigt, daß der Druckplattenwechsler 3 durch jeweils an den Seitengestellwänden angebrachte Führungsschienen 12, die als Teleskopführung ausgebildet sind, vertikal verschiebbar ist. Der Druckplattenwechsler 3 kann somit insbesondere über das Druckwerk hinaus verfahren werden, so daß sich eine Zugänglichkeit zum Farbwerk und insbesondere dem Farbkasten ergibt. Der in seiner Grundposition befindliche Aufnahmebehälter 6 ist durch die erfindungsgemäße Anlenkung dabei derartig verschwenkt worden, so daß er die vertikale Bewegbarkeit des Druckplattenwechslers 3 nicht behindert.Fig. 9 shows that the printing plate changer 3 by each Side rails walls attached guide rails 12, which are designed as a telescopic guide, is vertically displaceable. The printing plate changer 3 can thus be moved in particular beyond the printing unit, so that there is access to the inking unit and in particular the ink fountain. The receptacle 6 in its basic position has been pivoted in such a way by the articulation according to the invention that it does not hinder the vertical mobility of the printing plate changer 3.

Wie bereits weiter obenstehend angedeutet, muß es sich bei dem Aufnahmebehälter 6 nicht um einen geschlossenen Behälter handeln, sondern dieser kann vielmehr als eine weitgehend offene Rahmenkonstruktion ausgebildet sein. Wesentlich ist dabei, daß der Aufnahmebehälter 6 an den Druckplattenwechsler 3 an- und bezüglich diesen abstellbar ist. Der erfindungsgemäße Aufnahmebehälter 6 weist darüberhinaus eine in Druckrichtung der Druckplatten verlaufende Krümmung auf, welche insbesondere in der Größenordnung liegt, welche eine gebrauchte Druckplatte nach der Entnahme des Plattenzylinders einnimmt. Durch die gekrümmte Formgebung des Aufnahmebehälters 6 ist somit das Hereinfördern einer gebrauchten Druckplatte wesentlich vereinfacht. Zum schonungsvollen Transport aber auch Halten der Druckplatte kann insbesondere vorgesehen sein, daß innerhalb des Aufnahmebehälters 6 streifenförmig Bürsten angeordnet sind, welche die Druckplatte an ihrer druckenden aber auch rückwärtigen Seite tragen.As already indicated above, the receptacle 6 need not be a closed container, but rather can be designed as a largely open frame construction. It is essential that the receptacle 6 is on the pressure plate changer 3 and off with respect to this. The receptacle 6 according to the invention also has a curvature which extends in the printing direction of the printing plates and which is in particular of the order of magnitude which a used printing plate takes up after the plate cylinder has been removed. The curved shape of the receptacle 6 thus makes it much easier to bring in a used printing plate. For gentle transport but also for holding the printing plate, it can be provided in particular that brushes are arranged in strips in the receptacle 6, which carry the printing plate on its printing but also on the rear side.

BezugszeichenlisteReference list

11
PlattenzylinderPlate cylinder
22nd
Druckplatte (gebraucht)Pressure plate (used)
33rd
DruckplattenwechslerPrinting plate changer
44th
FördereinrichtungConveyor
55
Druckplatte (neu)Pressure plate (new)
66
AufnahmebehälterReceptacle
77
Hebellever
88th
Hebellever
99
Hebellever
1010th
KurveCurve
1111
Rollerole
1212th
FührungsschieneGuide rail

Claims (8)

Vorrichtung zum Wechseln von Druckplatten des Plattenzylinders einer Druckmaschine, insbesondere bei einer Bogenoffsetdruckmaschine, mit einem Druckplattenwechsler zum Zuführen einer neuen Druckplatte zum Plattenzylinder und zum Abfördern einer gebrauchten Druckplatte vom Plattenzylinder in einen Aufnahmebehälter,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) für die gebrauchte Druckplatte (2) an den Druckplattenwechsler (3) anstellbar und von diesem abstellbar gelagert ist.Device for changing printing plates of the plate cylinder of a printing machine, in particular in the case of a sheet-fed offset printing machine, with a printing plate changer for feeding a new printing plate to the plate cylinder and for removing a used printing plate from the plate cylinder into a receiving container,
characterized by
that the receptacle (6) for the used printing plate (2) can be placed on the printing plate changer (3) and can be removed from it. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) oberhalb des Druckwerkes verschwenkbar gelagert ist.Device according to claim 1,
characterized by
that the receptacle (6) is pivotally mounted above the printing unit. Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) eine in Druckrichtung der gebrauchten Druckplatte (2) verlaufend, gekrümmte Form aufweist.Device according to claim 1 or 2,
characterized by
that the receptacle (6) has a curved shape running in the pressure direction of the used pressure plate (2). Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet,
daß die Krümmung des Aufnahmebehälters (6) in der Größenordnung derjenigen Krümmung liegt, welche eine gebrauchte Druckplatte (2) aufweist, die von einem Plattenzylinder (1) abgefördert wird.Device according to claim 3,
characterized by
that the curvature of the receptacle (6) is of the order of magnitude of the curvature which has a used pressure plate (2) which is removed by a plate cylinder (1). Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) durch ein Fünfgelenk, bestehend aus Hebeln (7, 8, 9) nebst einer durch Kurve (10) mit Rolle (11) gebildete Zwangsführung, verschwenkbar gelagert ist.Device according to one of the preceding claims,
characterized by
that the receptacle (6) is pivotably supported by a five-bar linkage consisting of levers (7, 8, 9) together with a positive guide formed by a curve (10) with roller (11). Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß eine gebrauchte Druckplatte (2) dem Aufnahmebehälter (6) senkrecht zu der Förderrichtung der gebrauchten Druckplatte entnehmbar ist.Device according to one of the preceding claims,
characterized by
that a used pressure plate (2) can be removed from the receiving container (6) perpendicular to the conveying direction of the used pressure plate. Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) zur Führung der gebrauchten Druckplatte (2) Bürsten aufweist.Device according to one of the preceding claims,
characterized by
that the receiving container (6) for guiding the used pressure plate (2) has brushes. Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet,
daß der Aufnahmebehälter (6) als ein offener die gebrauchte Druckplatte (2) tragender Rahmen ausgebildet ist.Device according to one of the preceding claims,
characterized by
that the receptacle (6) is designed as an open frame carrying the used pressure plate (2).
EP95117832A 1994-12-15 1995-11-13 Device for changing printing plates Expired - Lifetime EP0716921B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4444629 1994-12-15
DE4444629A DE4444629C1 (en) 1994-12-15 1994-12-15 Pick=up container for used printing plates in printing machines

Publications (2)

Publication Number Publication Date
EP0716921A1 true EP0716921A1 (en) 1996-06-19
EP0716921B1 EP0716921B1 (en) 1998-05-27

Family

ID=6535842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95117832A Expired - Lifetime EP0716921B1 (en) 1994-12-15 1995-11-13 Device for changing printing plates

Country Status (3)

Country Link
EP (1) EP0716921B1 (en)
AT (1) ATE166614T1 (en)
DE (2) DE4444629C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19834783A1 (en) * 1998-08-01 2000-02-03 Koenig & Bauer Ag Process and device for ensuring occupational safety

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744457C1 (en) 1997-10-08 1999-06-24 Siemens Ag Remote operator with motor for circuit breaker
DE10238123A1 (en) * 2002-08-21 2004-03-11 Koenig & Bauer Ag Devices for mounting a printing form on a form cylinder of a printing press

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248834A (en) 1985-04-24 1986-11-06 Mitsubishi Heavy Ind Ltd Plate changer in sheet-fed printing press
JPH01320168A (en) * 1988-06-23 1989-12-26 Dainippon Printing Co Ltd Cartridge for replacing press plate
DE3940796C2 (en) 1989-12-09 1991-09-19 Koenig & Bauer Ag, 8700 Wuerzburg, De
DE4224832C2 (en) 1991-08-31 1993-10-28 Heidelberger Druckmasch Ag Device for positioning a magazine used for automatic plate change

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4140413C2 (en) * 1991-12-07 1995-03-16 Roland Man Druckmasch Device for changing printing plates in offset printing machines
JPH08501037A (en) * 1992-09-18 1996-02-06 ケーニッヒ ウント バウエル アクチエンゲゼルシャフト Device for supplying and discharging plate
DE4309658C1 (en) * 1993-03-25 1994-10-27 Roland Man Druckmasch Device for automatically changing printing plates in sheet-fed offset printing machines with several printing units

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61248834A (en) 1985-04-24 1986-11-06 Mitsubishi Heavy Ind Ltd Plate changer in sheet-fed printing press
JPH01320168A (en) * 1988-06-23 1989-12-26 Dainippon Printing Co Ltd Cartridge for replacing press plate
DE3940796C2 (en) 1989-12-09 1991-09-19 Koenig & Bauer Ag, 8700 Wuerzburg, De
DE4224832C2 (en) 1991-08-31 1993-10-28 Heidelberger Druckmasch Ag Device for positioning a magazine used for automatic plate change

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 11, no. 98 (M - 575) 27 March 1987 (1987-03-27) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 127 (M - 0947) 9 March 1990 (1990-03-09) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19834783A1 (en) * 1998-08-01 2000-02-03 Koenig & Bauer Ag Process and device for ensuring occupational safety
EP0978381A2 (en) * 1998-08-01 2000-02-09 Koenig & Bauer Aktiengesellschaft Method and device for garanteeing safe work
EP0978381A3 (en) * 1998-08-01 2000-06-07 Koenig & Bauer Aktiengesellschaft Method and device for garanteeing safe work

Also Published As

Publication number Publication date
EP0716921B1 (en) 1998-05-27
ATE166614T1 (en) 1998-06-15
DE59502331D1 (en) 1998-07-02
DE4444629C1 (en) 1996-01-18

Similar Documents

Publication Publication Date Title
DE4215969C2 (en) Device for feeding printing plates onto the plate cylinders of printing machines, in particular sheet-fed offset printing machines
EP0654349B1 (en) Cassette for automatically exchanging printing plates in a printing machine
EP0734859B1 (en) Device for exchanging printing plates
DE4309658C1 (en) Device for automatically changing printing plates in sheet-fed offset printing machines with several printing units
EP0667237B1 (en) Automated printing plate changing device
DE3347986C2 (en)
EP0660780B1 (en) Device for supplying printing plates to a plate cylinder and for carrying away the same from the plate cylinder
EP0660779B1 (en) Device for supplying printing plates to a plate cylinder and for carrying the same away from the plate cylinder
DE4201076A1 (en) DEVICE FOR DEPOSITING LEAVES
EP1208977B1 (en) Method for removing a printing plate from a plate cylinder
EP0704302B1 (en) Device for feeding printing plates to the plate cylinder of a printing machine
DE4444629C1 (en) Pick=up container for used printing plates in printing machines
DE4342359C1 (en) Magazine for the automatic printing plate change
EP0290747A2 (en) Filling station for a cartridge filling and closing machine
DE19941943A1 (en) Removal process for taking cleaning device out of printing press, involving moving traverse from position parallel to cylinder to one angled to it
DE3534664C2 (en)
DE3320552A1 (en) OFFSET PRINT PRESS WITH TWO PRINTING UNITS
EP1219419A1 (en) Device for loading and unloading printing plates to and from the plate cylinders in printing machines
DE2135714A1 (en) Method for controlling the clamping device of a rotating copy cylinder and copy cylinder for carrying out the method
DE3120977C2 (en) Offset printing machine
DE4344090A1 (en) Automatic feeding and removing device for cylinder forming machine
EP0535452B1 (en) Device for introducing the printing cylinder supporting carriages into the printing units of a rotary printing machine
EP1256449B1 (en) Printing unit with a plate cylinder and with an insertion bar
DE1452215B2 (en) Changing device for a die, in particular on a horizontal metal extrusion press
DE2525786A1 (en) MATRIX MULTIPLING DEVICE

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19951204

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB LI

17Q First examination report despatched

Effective date: 19970602

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB LI

REF Corresponds to:

Ref document number: 166614

Country of ref document: AT

Date of ref document: 19980615

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: E. BLUM & CO. PATENTANWAELTE

Ref country code: CH

Ref legal event code: EP

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19980528

REF Corresponds to:

Ref document number: 59502331

Country of ref document: DE

Date of ref document: 19980702

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20011012

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20011016

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20011026

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20011114

Year of fee payment: 7

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20021104

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021113

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021113

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021130

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20021130

BERE Be: lapsed

Owner name: *MAN ROLAND DRUCKMASCHINEN A.G.

Effective date: 20021130

GBPC Gb: european patent ceased through non-payment of renewal fee
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040730

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20091120

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 59502331

Country of ref document: DE

Effective date: 20110601

Ref country code: DE

Ref legal event code: R119

Ref document number: 59502331

Country of ref document: DE

Effective date: 20110531

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110531