EP0657287B1 - Magazine for automatically exchanging printing plates - Google Patents
Magazine for automatically exchanging printing plates Download PDFInfo
- Publication number
- EP0657287B1 EP0657287B1 EP94118935A EP94118935A EP0657287B1 EP 0657287 B1 EP0657287 B1 EP 0657287B1 EP 94118935 A EP94118935 A EP 94118935A EP 94118935 A EP94118935 A EP 94118935A EP 0657287 B1 EP0657287 B1 EP 0657287B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magazine
- printing
- printing plates
- plate
- printing plate
- 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
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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 magazine for the automatic printing plate change in printing presses, in particular sheetfed offset printing presses according to the preamble of claim 1.
- Such a magazine for automatic printing plate change is known for example from DE 4 129 022 C2 and EP 0 435 410 A2.
- the magazines described in the respective prior publications are designed to accommodate a plurality of printing plates to be fed to the plate cylinder.
- the new printing plates to be fed are placed on a base and the top printing plate is removed in each case by a transport device and fed to the plate cylinder.
- the transport devices are, for example, linearly movable suction devices.
- the magazine also has a removable cassette in which the printing plates to be newly inserted are inserted. It is thus possible to insert the new printing plates into the cassette at a location other than on the printing press and to insert the fully loaded cassette into the magazine on the respective printing unit.
- a disadvantage of this type of the known magazine for receiving a plurality of printing plates to be newly fed is that the top printing plate is removed by the transport device. The position of the printing plates, ie their layering, thus determines the sequence of the printing plates that can be removed.
- Such magazines are therefore only useful if the It is already known from the magazine which printing plates are to be used in which order in the next print jobs. The printing plates themselves must also be available.
- EP 0 100 778 B1 discloses a printing plate changer designed as a movable carriage, in which printing plates are attached to a revolving suspension device and are removed by a transport device.
- the ends of the pressure plates are hook-shaped, and the plate cylinders also have special fastening devices.
- the invention is therefore based on the object of improving a magazine in accordance with the preamble of claim 1 in such a way that a high degree of flexibility with regard to the removal of new printing plates is ensured.
- an individually switchable holding device is assigned to each printing plate to be accommodated.
- each individual new printing plate is placed in the magazine in a vertical orientation, for example on pivoting stop pins.
- the switchable holding devices can also be designed as actuatable suction cups, grippers or other clamping devices.
- the switchable holding devices assigned to the individual printing plates make it possible for the printing plates to be removed in any order regardless of the order in which they are inserted into the magazine.
- the individual printing plates are placed in the magazine, there is no specification regarding the sequence of the subsequent print jobs.
- the magazine according to the invention allows it not to be equipped with the maximum number of printing plates provided, that is to say no printing plates are provided on one or more switchable holding devices. These remaining empty spaces (no printing plate) thus allow a short-term rescheduling regarding the order of orders in such a way that an urgent and short-term order can be inserted. The corresponding printing plate of this order can thus be subsequently inserted into the correspondingly empty magazine compartment.
- the printing plate is placed in predominantly horizontal orientation with its front edge on corresponding stop means as holding devices, it is also possible to easily remove any printing plate from the magazine and replace it with another. This removal option ensures that an intended print job on a later appointment can be rescheduled.
- the single figure shows in principle a printing unit of a sheet-fed offset printing machine with a magazine according to the invention arranged in front of the printing unit cylinders.
- the figure shows a magazine 1, essentially designed as a box, on the so-called cantilever side of a symbolically represented printing unit 2.
- Individual printing plates 3.1, 3.2, 3.3, 3.4 can be inserted into the magazine 1 from above into compartments 4.1, 4.2, 4.3, 4.4 provided for this purpose.
- the individual printing plates 3.1 - 3.4 are placed vertically in the magazine 1 in the corresponding compartments 4.1 - 4.4.
- the individual subjects 4.1 - 4.4 are divided by walls 4.a, 4.b, 4.c. This ensures that the individual printing plates are securely in an upright position, although, as can be seen in the figure, the magazine 1 only takes up the printing plates 3.1-3.4 to a part of the format length.
- a switchable holding device 5.1-5.4 is arranged at the lower end of each compartment 4.1-4.4 and is designed as a pair of stops which can be swung downward.
- these switchable holding devices 5.1-5.4 are in the horizontal position shown in the figure, if they are designed as swiveling stops.
- the individual printing plates 3.1 - 3.4 are placed with their front edge on these holding devices 5.1 - 5.4.
- the individual switchable holding devices 5.1-5.4 and thus also the compartments 4.1-4.4 are offset in height from one another in the manner of a staircase in magazine 1 arranged.
- the printing plate 3.1 furthest away from the printing unit 2 is thus a certain amount higher than the printing plate 3.4 closest to the printing unit 2.
- the conveying surface 7 has, in particular, a surface structure which is gentle on the pressure plates 3.1-3.4, with in particular good sliding properties. Brushes can preferably be arranged here.
- a guide surface 6.2 - 6.4 is arranged in the area of the switchable holding devices 5.2 - 5.4 , which gently impresses a curvature on the respective pressure plate 3.1, 3.2, 3.3.
- the conveying surface 7 can have brushes or other devices for the gentle transport of the printing plates 3.1-3.4, but it can also be provided to provide an active conveying device here, for example in the form of a rotating conveyor belt, in particular in connection with a suction device.
- a pair of transport rollers 8, 9 is arranged between the side frame walls of the printing unit 2 or on the lower part of the magazine 1, a transport roller 8 or 9 being drivable.
- One that emerges from the compartments 1.1 to 1.4 after the corresponding switching of the holding device 5.1 to 5.4 via the conveying surface 7 from the magazine 1, in particular due to its gravity Pressure plate 3.1 to 3.4 is thus grasped by this driven pair of transport rollers 8, 9 and inserted into the corresponding tensioning rail of the beginning of the print, not shown here, via a guide device 10 which can be set on the plate cylinder 11.
- the corresponding pressure plate 5.1 - 5.4 is clamped via this clamping rail.
- the pressure plate is then pulled onto its outer circumference in a known manner.
- the plate cylinder 11 has remote-controlled devices for clamping and tensioning the front and rear ends of a pressure plate 3.1-3.4.
- a used printing plate previously removed from the plate cylinder 11 is also conveyed in a manner known per se by turning the plate cylinder backwards and is conveyed into a part of the magazine 1 which is not shown here.
- This part for receiving used printing plates is also designed as a box-shaped structure and is preferably arranged between the printing unit 2 and the compartments 4.1-4.4 of the magazine 1.
- the guide device 10 which can be set on the plate cylinder 11 is pivotally mounted, for example, parallel to the axis of the plate cylinder 11.
- the basic position of this guide device 10 is shown in dashed lines.
- the magazine 1 for the printing plates 3.1-3.4 is preferably mounted vertically in front of the printing unit 2 in corresponding vertical guides.
- the figure shows the working position of the magazine 1.
- the magazine 1 In the basic position during printing, the magazine 1 is in the position indicated by dashed lines. It can also be provided that the magazine 1 can be moved further upwards for accessibility to the plate cylinder 11 and to the remaining parts of the printing unit 2 (service position).
- the pressure plates 3.1 - 3.4 (the rear edges thereof) also project out of the top of the magazine 1 in stages.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Die Erfindung betrifft ein Magazin für den automatischen Druckplattenwechsel bei Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen gemäß dem Oberbegriff von Anspruch 1.The invention relates to a magazine for the automatic printing plate change in printing presses, in particular sheetfed offset printing presses according to the preamble of
Ein solches Magazin für den automatischen Druckplattenwechsel ist beispielsweise aus der DE 4 129 022 C2 sowie der EP 0 435 410 A2 bekannt. Die in den jeweiligen Vorveröffentlichungen beschriebenen Magazine sind zur Aufnahme von mehreren, dem Plattenzylinder zuzuführenden Druckplatten ausgebildet. Nach Art eines Stapels werden die neu zuzuführenden Druckplatten auf eine Unterlage gelegt und über eine Transporteinrichtung wird jeweils die oberste Druckplatte entnommen und dem Plattenzylinder zugeführt. Bei den Transporteinrichtungen handelt es sich beispielsweise um linear verfahrbare Saugeinrichtungen. Im Falle der DE 4 129 022 C2 weist das Magazin darüberhinaus eine herausnehmbare Kassette auf, in welcher die neu zuzuführenden Druckplatten eingelegt werden. Somit ist es möglich, die neu zuzuführenden Druckplatten an einem anderen Ort als an der Druckmaschine in die Kassette einzulegen und die vollbestückte Kassette in das Magazin am jeweiligen Druckwerk einzuschieben.Such a magazine for automatic printing plate change is known for example from DE 4 129 022 C2 and EP 0 435 410 A2. The magazines described in the respective prior publications are designed to accommodate a plurality of printing plates to be fed to the plate cylinder. In the manner of a stack, the new printing plates to be fed are placed on a base and the top printing plate is removed in each case by a transport device and fed to the plate cylinder. The transport devices are, for example, linearly movable suction devices. In the case of DE 4 129 022 C2, the magazine also has a removable cassette in which the printing plates to be newly inserted are inserted. It is thus possible to insert the new printing plates into the cassette at a location other than on the printing press and to insert the fully loaded cassette into the magazine on the respective printing unit.
Nachteilig bei dieser Art der vorbekannten Magazine zur Aufnahme von mehreren neu zuzuführenden Druckplatten ist dabei, daß jeweils die oberste Druckplatte durch die Transporteinrichtung entnommen wird. Die Lage der Druckplatten, also deren Schichtung, legt somit die Reihenfolge der jeweils entnehmbaren Druckplatten fest. Derartige Magazine sind somit nur dann sinnvoll einsetzbar, wenn beim Bestücken des Magazines bereits bekannt ist, welche Druckplatten in welcher Reihenfolge in den nächsten Druckaufträgen zu verwenden sind. Ferner müssen auch die Druckplatten selbst verfügbar sein.A disadvantage of this type of the known magazine for receiving a plurality of printing plates to be newly fed is that the top printing plate is removed by the transport device. The position of the printing plates, ie their layering, thus determines the sequence of the printing plates that can be removed. Such magazines are therefore only useful if the It is already known from the magazine which printing plates are to be used in which order in the next print jobs. The printing plates themselves must also be available.
In der Praxis von Druckereibetrieben kommt es dabei aber häufig vor, daß eine geplante Auftragsreihenfolge kurzfristig geändert oder gar ein nicht geplanter wichtiger Druckauftrag zusätzlich eingefügt wird. Bei einem Magazin, bei welchem die mehreren, neu zuzuführenden Druckplatten hinsichtlich der vorgesehenen Auftragsreihenfolge eingelegt werden müssen, bedingt dies aber, daß die im Magazin befindlichen Druckplatten von Hand entnommen und umsortiert bzw. eine Druckplatte eines eingeschobenen Druckauftrages hinzugefügt werden muß.In the practice of printing companies, however, it often happens that a planned order sequence is changed at short notice or that an unscheduled important print order is added. In the case of a magazine in which the plurality of new printing plates have to be inserted with regard to the intended order of order, however, this means that the printing plates in the magazine have to be removed and rearranged by hand or a printing plate of an inserted printing order has to be added.
Oft kommt es auch vor, daß Druckplatten für einen nächsten oder dem übernächsten Druckauftrag noch gar nicht hergestellt sind, während die Druckplatten für die anschließenden Aufträge bereits verfügbar sind. Auch hier entsteht bei einem herkömmlichen Magazin für mehrere neu zuzuführende Druckplatten erheblicher manueller und zeitintensiver Aufwand.It often happens that printing plates for a next or the next but one printing job have not yet been produced, while the printing plates are already available for the subsequent jobs. Here too, with a conventional magazine for several new printing plates to be fed, considerable manual and time-consuming effort is incurred.
Aus der EP 0 100 778 B1 ist ein als verfahrbarer Wagen ausgebildeter Druckplattenwechsler bekannt, bei dem Druckplatten an einer umlaufenden Aufhängevorrichtung angebracht sind und von einer Transporteinrichtung entnommen werden. Die Enden der Druckplatten sind dazu aber hakenförmig ausgebildet, ferner weisen die Plattenzylinder spezielle Befestigungseinrichtungen auf.EP 0 100 778 B1 discloses a printing plate changer designed as a movable carriage, in which printing plates are attached to a revolving suspension device and are removed by a transport device. However, the ends of the pressure plates are hook-shaped, and the plate cylinders also have special fastening devices.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Magazin gemäß dem Oberbegriff von Anspruch 1 derartig zu verbessern, so daß eine hohe Flexibilität hinsichtlich der Entnahme neu zuzuführender Druckplatten gewährleistet ist.The invention is therefore based on the object of improving a magazine in accordance with the preamble of
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
Beim erfindungsgemäßen Magazin ist jeder aufzunehmenden Druckplatte eine einzeln schaltbare Halteeinrichtung zugeordnet. Insbesondere wird jede einzelne neue Druckplatte in dem Magazin in vertikaler Orientierung beispielsweise auf wegschwenkbaren Anschlagstiften abgestellt. Die schaltbaren Halteeinrichtungen können dabei auch als betätigbare Sauger, Greifer oder anderweitige Klemmeinrichtungen ausgebildet sein.In the magazine according to the invention, an individually switchable holding device is assigned to each printing plate to be accommodated. In particular, each individual new printing plate is placed in the magazine in a vertical orientation, for example on pivoting stop pins. The switchable holding devices can also be designed as actuatable suction cups, grippers or other clamping devices.
Durch die den einzelnen Druckplatten zugeordneten schaltbaren Halteeinrichtungen ist es möglich, daß die Druckplatten unabhängig von der Reihenfolge des Einstellens in das Magazin in beliebiger Folge entnommen werden können. Es besteht also beim Einstellen der einzelnen Druckplatten in das Magazin keine Festlegung hinsichtlich der Reihenfolge der späteren Druckaufträge.The switchable holding devices assigned to the individual printing plates make it possible for the printing plates to be removed in any order regardless of the order in which they are inserted into the magazine. When the individual printing plates are placed in the magazine, there is no specification regarding the sequence of the subsequent print jobs.
Insbesondere erlaubt das erfindungsgemäße Magazin, daß dieses nicht mit der maximal vorgesehenen Zahl von Druckplatten bestückt werden muß, also an ein oder mehreren schaltbaren Halteeinrichtungen keine Druckplatten bereitgestellt werden. Diese verbleibenden Leerplätze (keine Druckplatte) ermöglichen somit ein kurzfristiges Umdisponieren hinsichtlich der Auftragsreihenfolge dahingehend, daß ein dringender und kurzfristig anstehender Auftrag eingeschoben werden kann. Die entsprechende Druckplatte dieses Auftrages kann somit nachträglich in das entsprechend leer gebliebene Fach des Magazins eingeschoben werden.In particular, the magazine according to the invention allows it not to be equipped with the maximum number of printing plates provided, that is to say no printing plates are provided on one or more switchable holding devices. These remaining empty spaces (no printing plate) thus allow a short-term rescheduling regarding the order of orders in such a way that an urgent and short-term order can be inserted. The corresponding printing plate of this order can thus be subsequently inserted into the correspondingly empty magazine compartment.
Bei einer bevorzugten erfindungsgemäßen Ausbildung des Magazins, nach welcher die Druckplatte in überwiegend horizontal er Orientierung mit ihrer Vorderkante auf entsprechenden Anschlagmitteln als Halteeinrichtungen abgestellt werden, ist es auch möglich, ohne weiteres eine beliebige Druckplatte aus dem Magazin herauszunehmen und durch eine andere zu ersetzen. Durch diese Herausnahmemöglichkeit ist gewährleistet, daß ein vorgesehener Druckauftrag auf einen späteren Termin verlegt werden kann.In a preferred embodiment of the magazine according to the invention, according to which the printing plate is placed in predominantly horizontal orientation with its front edge on corresponding stop means as holding devices, it is also possible to easily remove any printing plate from the magazine and replace it with another. This removal option ensures that an intended print job on a later appointment can be rescheduled.
Des weiteren erfolgt die Erläuterung eines Ausführungsbeispiels der Erfindung anhand der Zeichnung. Die einzige Figur zeigt dabei prinzipiell ein Druckwerk einer Bogenoffsetdruckmaschine mit einem vor den Druckwerkszylindern angeordneten Magazin gemäß der Erfindung.Furthermore, an embodiment of the invention is explained with reference to the drawing. The single figure shows in principle a printing unit of a sheet-fed offset printing machine with a magazine according to the invention arranged in front of the printing unit cylinders.
Die Figur zeigt ein im wesentlichen als Kasten ausgebildetes Magazin 1 an der sogenannten Auslegerseite eines symbolisch dargestellten Druckwerkes 2. In das Magazin 1 sind einzelne Druckplatten 3.1, 3.2, 3.3, 3.4 von oben in dafür vorgesehene Fächer 4.1, 4.2, 4.3, 4.4 einführbar. Die einzelnen Druckplatten 3.1 - 3.4 werden dabei vertikal in das Magazin 1 in die entsprechenden Fächer 4.1 - 4.4 eingestellt.The figure shows a
Die einzelnen Fächer 4.1 - 4.4 sind durch Wände 4.a, 4.b, 4.c voneinander unterteilt. So ist gewährleistet, daß die einzelnen Druckplatten sicher in einer aufrechten Position stehen, obwohl wie in der Figur zu erkennen - das Magazin 1 die Druckplatten 3.1 - 3.4 nur zu einem Teil der Formatlänge aufnimmt.The individual subjects 4.1 - 4.4 are divided by walls 4.a, 4.b, 4.c. This ensures that the individual printing plates are securely in an upright position, although, as can be seen in the figure, the
Jeweils am unteren Ende eines Faches 4.1 - 4.4 ist eine schaltbare Halteeinrichtung 5.1 - 5.4 angeordnet, welche jeweils als ein Paar nach unten abschwenkbare Anschläge ausgebildet ist. Beim Bestücken des Magazins 1 mit den einzelnen Druckplatten 3.1 - 3.4 befinden sich diese schaltbaren Halteeinrichtungen 5.1 - 5.4 - wenn diese als abschwenkbare Anschläge ausgebildet sind - in der in der Figur gezeigten horizontalen Stellung. Die einzelnen Druckplatten 3.1 - 3.4 werden mit ihrer Vorderkante auf diesen Halteeinrichtungen 5.1 - 5.4 abgestellt.A switchable holding device 5.1-5.4 is arranged at the lower end of each compartment 4.1-4.4 and is designed as a pair of stops which can be swung downward. When the
Wie in der Figur wiedergegeben, sind die einzelnen schaltbaren Halteeinrichtungen 5.1 - 5.4 und somit auch die Fächer 4.1 - 4.4 gegeneinander höhenversetzt nach Art einer Treppe im Magazin 1 angeordnet. Die am weitesten vom Druckwerk 2 entfernte Druckplatte 3.1 steht somit um einen bestimmten Betrag höher als die am nächsten dem Druckwerk 2 gelegene Druckplatte 3.4.As shown in the figure, the individual switchable holding devices 5.1-5.4 and thus also the compartments 4.1-4.4 are offset in height from one another in the manner of a staircase in
Unterhalb der in der Höhe gestuft angeordneten schaltbaren Halteeinrichtungen 5.1 - 5.4 ist im unteren Teil des Magazins 1 eine nach Art einer schiefen Ebene ausgebildete Förderfläche 7 angeordnet, über welche eine Druckplatte 3.1 - 3.4 aus dem jeweiligen Fach 4.1 - 4.4 nach einer Betätigung der entsprechenden schaltbaren Halteeinrichtung 5.1 - 5.4 über die Gewichtskraft in Richtung Druckwerk abgelenkt wird. Die Förderfläche 7 weist dazu insbesondere eine die Druckplatten 3.1 - 3.4 schonende Oberflächenstruktur auf, mit insbesondere guten Gleiteigenschaften. Vorzugsweise können hier Bürsten angeordnet sein.Beneath the switchable holding devices 5.1 - 5.4, which are arranged at different heights, is arranged in the lower part of the magazine 1 a conveying
Da eine Druckplatte 3.1 - 3.4, wenn sie aus dem entsprechenden Fach 4.1 - 4.4 durch Schalten der Halteeinrichtung 5.1 - 5.4 beim Übergang auf die geneigte Förderfläche 7 eine Krümmung aufweist, ist im Bereich der schaltbaren Halteeinrichtungen 5.2 - 5.4 jeweils eine Leitfläche 6.2 - 6.4 angeordnet, welche der jeweiligen Druckplatte 3.1, 3.2, 3.3 schonungsvoll eine Krümmung aufprägt.Since a pressure plate 3.1 - 3.4, if it has a curvature from the corresponding compartment 4.1 - 4.4 by switching the holding device 5.1 - 5.4 at the transition to the
Wie bereits erwähnt, kann die Förderfläche 7 zum schonungsvollen Transport der Druckplatten 3.1 - 3.4 Bürsten oder andere Einrichtungen aufweisen, es kann aber auch vorgesehen sein, hier eine aktive Fördereinrichtung vorzusehen, beispielsweise in Form eines umlaufenden Transportbandes, insbesondere in Verbindung mit einer Saugeinrichtung.As already mentioned, the conveying
Zwischen den Seitengestellwänden des Druckwerkes 2 oder an dem unteren Teil des Magazins 1 ist ein Paar Transportrollen 8, 9 angeordnet, wobei eine Transportrolle 8 oder 9 antreibbar ist. Eine aus den Fächern 1.1 bis 1.4 nach entsprechendem Schalten der Halteeinrichtung 5.1 bis 5.4 über die Förderfläche 7 aus dem Magazin 1 insbesondere durch ihre Schwerkraft heraustretende Druckplatte 3.1 bis 3.4 wird somit durch dieses angetriebene Paar Transportrollen 8, 9 erfaßt und über eine an den Plattenzylinder 11 anstellbare Leiteinrichtung 10 in die entsprechende und hier nicht dargestellte Spannschiene des Druckanfanges eingeführt. Sodann erfolgt das Klemmen der entsprechenden Druckplatte 5.1 - 5.4 über diese Spannschiene. Durch Vorwärtsdrehen des Plattenzylinders 11 erfolgt dann in bekannter Weise das Aufziehen der Druckplatte auf dessen Außenumfang.A pair of
An sich selbstverständlich und hier nur am Rande bemerkt sei, daß der Plattenzylinder 11 über fernbetätigbare Einrichtungen zum Klemmen und Spannen des vorderen und hinteren Endes einer Druckplatte 3.1 - 3.4 verfügt. Eine zuvor vom Plattenzylinder 11 entnommene gebrauchte Druckplatte wird in ebenfalls an sich bekannter Weise durch Rückwärtsdrehen des Plattenzylinders abgefördert und in ein hier nicht dargestellten Teil des Magazins 1 gefördert. Dieses Teil zum Aufnehmen gebrauchter Druckplatten ist dabei ebenfalls als ein kastenförmiges Gebilde ausgeführt und vorzugsweise zwischen Druckwerk 2 und den Fächern 4.1 - 4.4 des Magazins 1 angeordnet.As a matter of course and only marginally, it should be noted that the
Die an dem Plattenzylinder 11 anstellbare Leiteinrichtung 10 ist beispielsweise parallel zur Achse des Plattenzylinders 11 schwenkbar gelagert. Die Grundposition dieser Leiteinrichtung 10 ist dabei gestrichelt dargestellt.The
Das Magazin 1 für die Druckplatten 3.1 - 3.4 ist vorzugsweise vertikal vor dem Druckwerk 2 in entsprechenden Vertikalführungen gelagert. Die Figur zeigt hierbei die Arbeitsposition des Magazins 1. In der Grundposition während des Druckens befindet sich das Magazin 1 dabei in der gestrichelt angedeuteten Stellung. Ferner kann vorgesehen sein, daß das Magazin 1 zwecks Zugänglichkeit zum Plattenzylinder 11 sowie zu den übrigen Teilen des Druckwerkes 2 weiter nach oben verschoben werden kann (Serviceposition).The
Erfindungsgemäß kann weiterhin vorgesehen sein - in der Figur nicht dargestellt -, daß die gebrauchten und durch Rückwärtsdrehen des Plattenzylinders 11 von diesem abgeförderte Druckplatten durch zusätzliche Transportmittel sowie schaltbare Leitzungen in ein freies Fach 4.1 - 4.4 (keine neue Druckplatte 3.1 - 3.4) zurückgefördert werden. Dazu wird die jeweilige schaltbare Halteeinrichtung 5.1 - 5.4 betätigt (geöffnet) und die gebrauchte Druckplatte mit deren Druckende-Kante voran über eine dem jeweiligen Fach 4.1 - 4.4 an dessen Unterseite zugeordnete schaltbare Leitzunge in das entsprechende Fach 4.1 - 4.4 gefördert. Um die gebrauchte Druckplatte ganz in ein Fach 4.1 - 4.4 hineinzufördern - danach wird die jeweilige schaltbare Halteeinrichtung 5.1 - 5.4 wieder geschlossen - sind in den Fächern 4.1 - 4.4 zusätzliche Transportmittel angeordnet. Die Funktion der schaltbaren Leitzungen (Weichen) kann auch durch die entsprechend ausgebildeten schaltbaren Leiteinrichtungen 5.1 - 5.4 ausgeübt werden.According to the invention it can also be provided - not in the figure shown - that the used and by the backward rotation of the
Bei der Ausführung der Erfindung mit den gestuft im Magazin 1 angeordneten schaltbaren Halteeinrichtungen 5.1 - 5.4 ragen die Druckplatten 3.1 - 3.4 (deren Hinterkanten) ebenfalls gestuft aus der Oberseite des Magazins 1 heraus. Dadurch ergibt sich die Möglichkeit, mit einer oberhalb der Druckwerke 2 vefahrbaren Transportvorrichtung mit Greifern neue Druckplatten 3.1 - 3.4 in die vorgesehenen Fächer 4.1 - 4.4 einzustellen sowie gebrauchte Platten aus vorgesehenen Fächern 4.1 - 4.4 herauszunehmen. Da die Enden der Druckplatten gestuft aus dem Magazin 1 herausragen, können die Greifer (der Sauger) der verfahrbaren Transportvorrichtung auf die entsprechende Höhe einer vorgesehenen und in einem Fach 4.1 - 4.4 befindlichen Platte eingestellt werden. Die Greifer werden dann horizontal über dem Druckwerk 2 an die jeweilige Platte (deren Ende) herangeführt. Sobald ein Kontakt mit der Platte festgestellt wird (Sensor), erfolgt das Greifen des Plattenendes sowie das Herausziehen dieser Platte.In the embodiment of the invention with the switchable holding devices 5.1 - 5.4 arranged in stages in the
- 11
- Magazinmagazine
- 22nd
- DruckwerkPrinting unit
- 3.1 - 3.43.1 - 3.4
- Druckplatteprinting plate
- 4.1 - 4.44.1 - 4.4
- Fachsubject
- 4.a - 4.c4.a - 4.c
- Wandwall
- 5.1 - 5.45.1 - 5.4
- schaltbare Halteeinrichtungswitchable holding device
- 6.2 - 6.46.2 - 6.4
- LeitflächeGuide surface
- 77
- FörderflächeConveyor area
- 88th
- TransportrolleTransport roller
- 99
- TransportrolleTransport roller
- 1010th
- LeiteinrichtungControl device
- 1111
- PlattenzylinderPlate cylinder
Claims (12)
- Magazine (1) for the automatic printing plate change on printing presses, particularly offset sheet printing presses, wherein the magazine (1) serves to receive several new printing plates (3.1 - 3.4) which can be fed by a coordinated transport device (8, 9, 10) to the plate cylinder (11), characterised in that in the magazine (1), there is arranged relative to each new printing plate (3.1 - 3.4) to be received a switchable holding device (5.1 - 5.4).
- Magazine according to Claim 1, characterised in that the magazine (1) has a compartment (4.1 - 4.4) for each new printing plate (3.1 - 3.4) to be received.
- Magazine according to Claim 1 and 2, characterised in that the new printing plates (3.1 - 3.4) can be inserted into the magazine (1) in vertical orientation.
- Magazine according to Claim 3, characterised in that the printing plates (3.1 - 3.4) to be made ready in the magazine (1) can be set with their front edge on the correspondingly arranged switchable holding units (5.1 - 5.4).
- Magazine according to Claim 3 or 4, characterised in that the switchable holding devices (5.1 - 5.4) arranged relative to the printing plates (3.1 - 3.4) are arranged staggered with respect to one another in the vertical orientation.
- Magazine according to Claim 5, characterised in that there is arranged below the switchable holding devices (5.1 - 5.4) arranged vertically staggered with respect to one another is a feed surface (7) running inclined towards the printing unit (2).
- Magazine according to one of the preceding Claims, characterised in that the magazine (1) is installed vertically slidable in front of the printing unit (2).
- Magazine according to one of the preceding Claims, characterised in that the printing plate (3.1 - 3.4) removable by corresponding switching of the holding device (5.1 - 5.4) from the magazine (1) can be fed via a transport unit (8, 9, 10) set on the print unit to the plate cylinder (11).
- Magazine according to one of the preceding Claims, characterised in that the magazine (1) has a feed unit by means of which a printing plate (3.1 - 3.4) released by the corresponding holding device (5.1 - 5.4) can be fed out from the magazine (1).
- Magazine at least according to Claim 1 and 4, characterised in that the switchable holding devices (5.1 - 5.4) are constructed as stops which can be swung away downwardly.
- Magazine at least according to Claim 1 and 2, characterised in that additional transport means are provided by means of which a used printing plate to be fed away from the plate cylinder (11) and a correspondingly opened switchable holding device (5.1 - 5.4) is insertable into an empty compartment (4.1 - 4.4).
- Magazine at least according to Claim 1 and 5, characterised in that above the print unit (2) there is arranged a horizontally movable gripper unit adjustable in height for grasping the rear edge of a printing plate (3.1 - 3.4) located in the magazine (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4342359 | 1993-12-11 | ||
| DE4342359A DE4342359C1 (en) | 1993-12-11 | 1993-12-11 | Magazine for the automatic printing plate change |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0657287A1 EP0657287A1 (en) | 1995-06-14 |
| EP0657287B1 true EP0657287B1 (en) | 1997-01-15 |
Family
ID=6504805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94118935A Expired - Lifetime EP0657287B1 (en) | 1993-12-11 | 1994-12-01 | Magazine for automatically exchanging printing plates |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0657287B1 (en) |
| AT (1) | ATE147682T1 (en) |
| DE (2) | DE4342359C1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19852343A1 (en) * | 1998-11-13 | 2000-05-18 | Heidelberger Druckmasch Ag | Material packaging |
| DE20321720U1 (en) * | 2003-03-28 | 2009-03-12 | Koenig & Bauer Aktiengesellschaft | Device for storing an elevator to be exchanged on a cylinder of a printing machine |
| DE10314341B3 (en) * | 2003-03-28 | 2004-08-12 | Koenig & Bauer Ag | Storage device for interchangeable printing plate for printing machine cylinder has retaining element displaced sidewards for releasing vertical support allowing free-fall movement of printing plate |
| DE10314342B3 (en) * | 2003-03-28 | 2004-08-26 | Koenig & Bauer Ag | Storage device for elevator supplying print cylinder of printing press has second storage position below first one |
| DE10314344B3 (en) * | 2003-03-28 | 2004-08-26 | Koenig & Bauer Ag | Storage device for elevator supplying print cylinder of printing press stores elevators in at least two offset vertical planes |
| DE10314340B3 (en) | 2003-03-28 | 2004-08-12 | Koenig & Bauer Ag | Storage device for interchangeable printing plates for printing machine cylinder with code reader for checking printing plate identification code before fitting to printing machine cylinder |
| DE10338372A1 (en) * | 2003-08-21 | 2005-03-17 | Koenig & Bauer Ag | Printing plate feed process to supply plate cylinder of printing press involves moving printing plates axially sideways and horizontally into feed shaft |
| DE102005039773B4 (en) | 2005-08-22 | 2011-12-01 | Koenig & Bauer Aktiengesellschaft | Apparatus for feeding or discharging a single or double length elevator to or from a cylinder of a printing machine |
| DE102005042756A1 (en) | 2005-09-08 | 2007-03-29 | Maschinenfabrik Wifag | Printing form memory, printing unit with printing form memory and method for changing printing forms |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE100778T1 (en) * | 1982-08-10 | 1984-05-24 | Mitsubishi Jukogyo K.K., Tokio/Tokyo | DEVICE FOR AUTOMATICALLY REPLACING PRINTING PLATES. |
| JPS62221541A (en) * | 1986-03-25 | 1987-09-29 | Mitsubishi Heavy Ind Ltd | Automatic press plate installation device |
| EP0329871B1 (en) * | 1988-02-23 | 1992-06-10 | Tsubakimoto Chain Co. | Lithographic plate transfer system |
| DE3940796A1 (en) * | 1989-12-09 | 1991-06-13 | Koenig & Bauer Ag | METHOD AND DEVICE FOR AUTOMATICALLY CHANGING A PRINT PLATE |
| JP2844539B2 (en) * | 1989-12-15 | 1999-01-06 | 株式会社小森コーポレーション | Plate holding device for printing press |
| DE4129022A1 (en) * | 1991-08-31 | 1993-03-11 | Heidelberger Druckmasch Ag | MAGAZINE FOR AUTOMATIC CHANGE OF PRINTING PLATES |
-
1993
- 1993-12-11 DE DE4342359A patent/DE4342359C1/en not_active Expired - Fee Related
-
1994
- 1994-12-01 AT AT94118935T patent/ATE147682T1/en not_active IP Right Cessation
- 1994-12-01 EP EP94118935A patent/EP0657287B1/en not_active Expired - Lifetime
- 1994-12-01 DE DE59401598T patent/DE59401598D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59401598D1 (en) | 1997-02-27 |
| DE4342359C1 (en) | 1995-06-22 |
| ATE147682T1 (en) | 1997-02-15 |
| EP0657287A1 (en) | 1995-06-14 |
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