EP0711664B1 - Device for fitting printing plates - Google Patents

Device for fitting printing plates Download PDF

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Publication number
EP0711664B1
EP0711664B1 EP95117028A EP95117028A EP0711664B1 EP 0711664 B1 EP0711664 B1 EP 0711664B1 EP 95117028 A EP95117028 A EP 95117028A EP 95117028 A EP95117028 A EP 95117028A EP 0711664 B1 EP0711664 B1 EP 0711664B1
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EP
European Patent Office
Prior art keywords
stops
stop
printing plate
plate
edge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95117028A
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German (de)
French (fr)
Other versions
EP0711664A1 (en
Inventor
Georg Hartung
Bernd Lindner
Nikola Pupic
Berthold Seib
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
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Publication date
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0711664A1 publication Critical patent/EP0711664A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/005Attaching and registering printing formes to supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/12Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1218Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
    • B41F27/1225Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly
    • B41F27/1231Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end substantially rectilinearly by translatory motion substantially tangential to support surface

Definitions

  • the invention relates to a device for the register Applying printing plates according to the preamble of claim 1.
  • the printing plates are used for the different colored drawing files on a plate cylinder assembled.
  • Each printing plate is assigned one with the start of printing Edge fastened (clamped) in a clamping rail and then around the outer circumference of the cylinder until the rear, the Printable associated edge can be fastened in turn in a clamping rail is. The pressure plate is then tensioned.
  • the object of the present invention is therefore a device to further develop in accordance with the preamble of claim 1, so that the above disadvantages can be avoided.
  • At least one of the Stops on the side facing the pressure plate at an angle to Feed direction of the printing plate has extending surfaces. This Surfaces run at an acute angle to the feed direction the pressure plate. Through these straight sections Surfaces on the side facing the printing plate leading edge the attacks are achieved that in particular not exactly in Plate fed in rare register direction when the stop is reached undergoes an alignment movement.
  • the proposed stops according to the invention each additionally one isolated from the plate cylinder or the clamping rail have embedded insert. It is intended that this contacts formed in this way, that is when the pressure plate is correctly attached these missions are available, can be queried individually. So that is Determine at which stop (A-side, B-side) the pressure plate is correctly applied or is not present. Especially with an automated one Pressure plate feeding process can thus targeted measures be taken so that the pressure plate at both stops is in register with the clamping rail.
  • Fig. 1 shows the top view of the clamping rail 1, which in the Pit of a plate cylinder, not shown, axially parallel is arranged.
  • This clamping rail 1 has a gap-shaped Detection area for the front edge of a printing plate 3.
  • the pressure plate 3 has on it Front edge two U-shaped punchings of different designs on.
  • the U-shaped punching 4.1 shown on the left has thereby a round contour.
  • the die cut shown on the right 4.2 is essentially rectangular, i.e. she points two parallel legs and one perpendicular the basic edge.
  • the stops 2.1 arranged in the clamping rail 1 according to FIG. 1 and 2.2 are in corresponding recesses of the upper part of the Clamping rail 1 inserted.
  • the stops 2.1 and 2.2 are there executed as a plate in the manner of a feather key and have In Your part facing away from the pressure plate 3 each has an elongated hole 10 on, by means of a screw 11 on the clamping rail 1 can be attached. By loosening the screw 11 it is possible both one and the other stop 2.1, 2.2 for example, in register for different plate formats to adjust.
  • this is the pressure plate 3 or the punched-out provided for this purpose 4.1 facing end of the stop 2.1 with two levels and at an angle Feed direction R of the new pressure plate surfaces 5 Mistake.
  • the end face 7 and the flat surfaces 5 subsequent areas of the stop 2.1 are again round or provided with a circular curvature. 1 is shown that the stop 2.1 with the one hand the flat surfaces 5 and on the other hand the round or cylindrical end face 7 interacts with a U-shaped punching 4.1, this has an exactly circular arc.
  • FIG. 1 shows a second embodiment in connection with FIG. 1 a stop 2.2 according to the invention.
  • this stop 2.2 acts with a U-shaped punching 4.2 together like a rectangle.
  • the base edge of this Die cut 4.2 is a parallel to the front edge of the Pressure plate 3.
  • FIGS. 2.1 and 2.2 each show the representations on the right a section through the formed according to the invention as a plate Stops 2.1 and 2.2.
  • On the pressure plate 3 (Fig. 1) facing End of the respective stops 2.1 and 2.2 is in each case an insert 8 made of electrically conductive material through an insulation layer 9 insulated from that also made of electrical made of conductive material 2.1 or 2.2.
  • an insert 8 made of electrically conductive material through an insulation layer 9 insulated from that also made of electrical made of conductive material 2.1 or 2.2.
  • the end faces 7 of the inserts 8 of the stops 2.1 and 2.2 are there shaped so that the contact forces of the pressure plate 3 in Feed direction R exclusively through these end faces 7 be included.
  • the sections of FIGS. 2.1 and 2.2 show that the stops 2.1 and 2.2 on the pressure plate 3 (Fig. 1) facing side still have a bevel. This On the one hand, beveling serves for tactile means, not shown to query the stops 2.1 or 2.2 (their electrically insulated Inserts 8). Furthermore, this bevel also ensures that the stops 2.1 and 2.2 are not from the outer circumference of the plate cylinder protrude.
  • FIG. 5 shows the registration of the pressure plate 3 in register their punching 4.1 on the front outer contour of the stop 2.1.
  • the pressure plate 3 can be seen on the end face 7 of the Insert 8 appropriately.
  • the flanks of the cutouts also touch 4.1 of the pressure plate 3, the two outermost flank ends the attack 2.1.
  • the electrically insulated is inserted Insert 8 to the same potential of the stop 2.1 brought what by hiring a corresponding not shown Button is noticeable.
  • FIG. 3 shows the alignment function of those provided according to the invention arranged obliquely to the feed direction R of the pressure plate 3 flat surfaces 5. It is shown that the pressure plate 3 in not exact page register direction the end of the stop 2.1 reached. If the feed is maintained in the R direction, now the left edge of the punch 4.1 on the flat surface 5 slide along until the end of the stop 2.1 in the punched 4.1 can immerse. A similar situation is shown here Fig. 6 in connection with the stop 2.2 and the punching 4.2. In this illustration, there is also an inclination of the Pressure plate 3 exaggerated when reaching the stop 2.2. Again, the pressure plate 3 with an edge of the Punch 4.2 on the corresponding flat surface 5 of the stop 2.2 slide along until the stop 2.2 in the punching 4.2 can immerse.
  • Fig. 4 shows the meaning or the function of the concave indentations 6 of the attack 2.1.
  • the printing plate is 3 with its punched out 4.1 with the end face 7 and can by concave indentations 6 still setting movements To run.
  • concave indentations 6 in the side flanks of the stop 2.1 receive the edges of the punch 4.1 a certain amount of space for corresponding setting movements.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Abstract

The device has a clamping rail axially parallel in the plate cylinder and with stops interacting with the curved punched areas on the edge of the printing plate. At least one of the stops (2.1,2.2) has flat surfaces running inclined to the supply direction (R) of the printing plate. One stop interacts with a U-shaped punched area (4.1) which has a circular arc-shaped contour area. The stop has a curved end side (7) adjoined by flat faces with adjoining circular-shaped transitions. One stop (2.2) interacts with a punched area (4.2) having an edge running parallel to the front edge of the printing plate (3). The stop has an end side formed by a flat face adjoined by flat faces (5) running inclined to the supply direction.

Description

Die Erfindung betrifft eine Vorrichtung für das registergerechte Anlegen von Druckplatten gemäß dem Oberbegriff von Anspruch 1.The invention relates to a device for the register Applying printing plates according to the preamble of claim 1.

Bei Bogenoffsetdruckmaschinen werden die Druckplatten für die verschieden farbigen Teilbilder auf je einem Plattenzylinder montiert. Jede Druckplatte wird mit einer dem Druckanfang zugeordneten Kante in einer Klemmschiene befestigt (geklemmt) und sodann um den Außenumfang des Zylinders gelegt, bis die hintere, dem Druckende zugeordnete Kante in wiederum einer Klemmschiene befestigbar ist. Daraufhin erfolgt das Spannen der Druckplatte.In sheetfed offset presses, the printing plates are used for the different colored drawing files on a plate cylinder assembled. Each printing plate is assigned one with the start of printing Edge fastened (clamped) in a clamping rail and then around the outer circumference of the cylinder until the rear, the Printable associated edge can be fastened in turn in a clamping rail is. The pressure plate is then tensioned.

Beim Einführen einer neuen Druckplatte In die geöffnete Klemmschiene ist es dabei von besonderer Wichtigkeit, daß diese eine registergerechte Position einnimmt. Dies gilt gerade für die in neuerer Zeit entwickelten automatischen oder halbautomatischen Druckplattenwechselsysteme. Die beim Wechseln der Druckplatten eingesparte Zeit würde, wenn auch nur eine einzige Druckplatte nicht registergerecht aufgezogen wird, durch langwierige und auch makulaturbedingende Korrekturvorgänge des Registers wieder aufgehoben.When inserting a new pressure plate into the open clamping rail it is of particular importance that this one occupies the correct position. This applies especially to those in recently developed automatic or semi-automatic Printing plate changing systems. The when changing the printing plates would save time, if only a single printing plate is not raised in accordance with the register, due to lengthy and too corrections to the register due to waste were canceled.

Aus diesem Grunde ist es bekannt, an der Vorderkante der Druckplatte insbesondere U-förmige Ausstanzungen anzubringen, welche mit Anschlägen innerhalb der Klemmschiene zusammenwirken. Als Plättchen ausgebildete und insbesondere noch innerhalb der Klemmschiene beweglich angeordnete Anschläge sind aus der DE 9 251 069 U1 bekannt. Diese Plättchen in der Klemmschiene des Druckanfanges sind dabei auf der zur Druckplatte hingewandten Seite wie Registerstifte rund ausgeführt. Ein größerer Versatz der Druckplatte in Seitenregisterrichtung bedingt bei diesen bekannten Anschlägen jedoch größere Kräfte um die Druckplatte registergerecht anzulegen.For this reason it is known on the front edge of the printing plate in particular to make U-shaped punchings, which with Interact stops within the clamping rail. As a tile trained and in particular still within the clamping rail Movable stops are from the DE 9 251 069 U1 known. These plates in the clamping rail of the The beginning of the print are on the side facing the pressure plate Round design like register pins. A larger offset of the Printing plate in the side register direction conditionally in these known However, stops greater forces around the pressure plate in register to create.

Aus der EP 0 581 212 A1 sind Anschläge In der dem Druckanfang der Druckplatte zugeordneten Klemmschiene in Form von elektrisch abfragbaren Registerstiften bekannt. Wegen der zylinderförmigen Außenkontur ergeben sich hier ebenfalls größere Anstellkräfte für die Druckplatte, wenn diese mit einem größeren Seitenregisterversatz zugeführt wird. Größere Kräfte zum Einführen der Druckplattenvorderkante In die Klemmschiene können aber Beschädigungen an den U-förmigen Ausstanzungen bzw. deren Ecken verursachen. Nachteilig Ist ferner bei dieser Einrichtung, daß die elektrisch abfragbaren Registerstifte hinsichtlich ihrer Kontaktfunktion in Reihe hintereinandergeschaltet sind, d.h. bei einer nur einseitig richtigen Anlage der Druckplatte ist nicht feststellbar, an welcher Seite bzw. an welchem Registerstift dies der Fall ist.From EP 0 581 212 A1, stops in the beginning of printing are Pressure plate associated clamping rail in the form of electrical queryable register pins known. Because of the cylindrical Outside contour there are also larger contact forces for the printing plate if this with a larger page register offset is fed. Greater forces for inserting the leading edge of the printing plate Damage can occur in the clamping rail at the U-shaped cut-outs or their corners. Another disadvantage of this device is that the electrical queryable register pins with regard to their contact function in Series are connected in series, i.e. only one-sided Correct installation of the pressure plate cannot be determined on which Page or on which register pin this is the case.

Aufgabe der vorliegenden Erfindung ist es daher, eine Vorrichtung gemäß dem Oberbegriff des Anspruch 1 derartig weiterzubilden, so daß sich die obengenannten Nachteile vermeiden lassen. Die Anschläge In der Klemmschiene sollen dabei insbesondere derartig ausgeführt sein, so daß auch eine nicht exakt zugeführte Druckplatte sich selbsttätig und registergerecht ausrichten kann.The object of the present invention is therefore a device to further develop in accordance with the preamble of claim 1, so that the above disadvantages can be avoided. The attacks In particular, such should be in the clamping rail be carried out so that a pressure plate not exactly fed can align itself automatically and in accordance with the register.

Gelöst wird diese Aufgabe durch die kennzeichnenden Merkmale von Anspruch 1. Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.This task is solved by the characteristic features of Claim 1. Further developments of the invention result from the Subclaims.

Gemäß der Erfindung ist vorgesehen, daß wenigstens einer der Anschläge auf der zur Druckplatte gewandten Seite schräg zur Zuführrichtung der Druckplatte verlaufende Flächen aufweist. Diese Flächen verlaufen dabei in einem spitzen Winkel zu der Zuführrichtung der Druckplatte. Durch diese abschnittsweise geraden Flächen auf der zu der Druckplattenvorderkante gewandten Seite der Anschläge wird erreicht, daß insbesondere eine nicht exakt in Seltenregisterrichtung zugeführte Platte bei Erreichen des Anschlages eine Ausrichtbewegung erfährt.According to the invention it is provided that at least one of the Stops on the side facing the pressure plate at an angle to Feed direction of the printing plate has extending surfaces. This Surfaces run at an acute angle to the feed direction the pressure plate. Through these straight sections Surfaces on the side facing the printing plate leading edge the attacks are achieved that in particular not exactly in Plate fed in rare register direction when the stop is reached undergoes an alignment movement.

Gemäß einer bevorzugten Weiterbildung der Erfindung ist vorgesehen, daß die erfindungsgemäße vorgeschlagenen Anschläge zusätzlich je einen isoliert gegenüber dem Plattenzylinder bzw. der Klemmschiene eingelassenen Einsatz aufweisen. Dabei ist vorgesehen, daß diese derartig gebildeten Kontakte, also wenn die Druckplatte korrekt an diesen Einsätzen anliegt, einzeln abfragbar sind. Somit ist also feststellbar, an welchem Anschlag (A-Seite, B-Seite) die Druckplatte korrekt anliegt bzw. nicht anliegt. Gerade bei einem automatisierten Druckplattenzuführvorgang können somit gezielte Maßnahmen getroffen werden, so daß die Druckplatte an beiden Anschlägen registergerecht in der Klemmschiene anliegt.According to a preferred development of the invention, that the proposed stops according to the invention each additionally one isolated from the plate cylinder or the clamping rail have embedded insert. It is intended that this contacts formed in this way, that is when the pressure plate is correctly attached these missions are available, can be queried individually. So that is Determine at which stop (A-side, B-side) the pressure plate is correctly applied or is not present. Especially with an automated one Pressure plate feeding process can thus targeted measures be taken so that the pressure plate at both stops is in register with the clamping rail.

Des weiteren erfolgt die Erläuterung eines Ausführungsbeispiels der Erfindung anhand der Zeichnungen. Es zeigt:

Fig. 1
eine Klemmschiene mit den erfindungsgemäßen Anschlägen,
Fig. 2.1+2.2
die Ausführung der erfindungsgemäßen Anschläge ab der A-Seite und B-Seite,
Fig. 3 - 7
Beispiele für das Zusammenwirken der Anschläge mit Ausstanzungen an der Druckplattenvorderkante.
Furthermore, an embodiment of the invention is explained with reference to the drawings. It shows:
Fig. 1
a clamping rail with the stops according to the invention,
Fig. 2.1 + 2.2
the execution of the stops according to the invention from the A side and B side,
3 - 7
Examples of the interaction of the stops with punched holes on the front edge of the printing plate.

Fig. 1 zeigt die Draufsicht auf die Klemmschiene 1, welche in der Grube eines nicht dargestellten Plattenzylinders achsparallel angeordnet ist. Diese Klemmschiene 1 weist einen spaltförmigen Erfassungsbereich für die Vorderkante einer Druckplatte 3 auf. Gemäß dem Ausführungsbeispiel weist die Druckplatte 3 an ihrer Vorderkante zwei U-förmige Ausstanzungen unterschiedlicher Gestaltung auf. Die links dargestellte U-förmige Ausstanzung 4.1 weist dabei eine runde Kontur auf. Die rechts dargestellte Ausstanzung 4.2 ist dabei im wesentlichen rechteckig gestaltet, d.h. sie weist zwei parallel zueinander verlaufende Schenkel und eine senkrecht dazu verlaufende Grundkante auf.Fig. 1 shows the top view of the clamping rail 1, which in the Pit of a plate cylinder, not shown, axially parallel is arranged. This clamping rail 1 has a gap-shaped Detection area for the front edge of a printing plate 3. According to the embodiment, the pressure plate 3 has on it Front edge two U-shaped punchings of different designs on. The U-shaped punching 4.1 shown on the left has thereby a round contour. The die cut shown on the right 4.2 is essentially rectangular, i.e. she points two parallel legs and one perpendicular the basic edge.

Die in der Klemmschiene 1 gemäß Fig. 1 angeordneten Anschläge 2.1 und 2.2 sind in entsprechenden Ausnehmungen des Oberteils der Klemmschiene 1 eingelassen. Die Anschläge 2.1 und 2.2 sind dabei als Plättchen nach Art einer Paßfeder ausgeführt und weisen In Ihrem der Druckplatte 3 abgewandten Teil jeweils ein Langloch 10 auf, vermittels dem sie über eine Schraube 11 an der Klemmschiene 1 befestigt werden können. Durch Lösen der Schraube 11 ist es möglich, sowohl den einen als auch den anderen Anschlag 2.1, 2.2 beispielsweise für unterschiedliche Plattenformate registergerecht einzujustieren.The stops 2.1 arranged in the clamping rail 1 according to FIG. 1 and 2.2 are in corresponding recesses of the upper part of the Clamping rail 1 inserted. The stops 2.1 and 2.2 are there executed as a plate in the manner of a feather key and have In Your part facing away from the pressure plate 3 each has an elongated hole 10 on, by means of a screw 11 on the clamping rail 1 can be attached. By loosening the screw 11 it is possible both one and the other stop 2.1, 2.2 for example, in register for different plate formats to adjust.

Wie in Fig. 1 angedeutet und in Fig. 2.1 genau dargestellt ist das der Druckplatte 3 bzw. der dazu vorgesehenen Ausstanzung 4.1 zugewandte Ende des Anschlages 2.1 mit zwei Ebenen und schräg zur Zuführrichtung R der neuen Druckplatte verlaufenden Flächen 5 versehen. Die Stirnseite 7 sowie die sich an die ebenen Flächen 5 anschließenden Bereiche des Anschlages 2.1 sind dabei wiederum rund bzw. mit einer kreisförmigen Krümmung versehen. In Fig. 1 ist dargestellt, daß der Anschlag 2.1 mit einerseits den ebenen Flächen 5 und andererseits der runden bzw. zylinderförmigen Stirnseite 7 mit einer U-förmigen Ausstanzung 4.1 zusammenwirkt, wobei diese einen exakt kreisförmigen Bogen aufweist.As indicated in Fig. 1 and shown exactly in Fig. 2.1, this is the pressure plate 3 or the punched-out provided for this purpose 4.1 facing end of the stop 2.1 with two levels and at an angle Feed direction R of the new pressure plate surfaces 5 Mistake. The end face 7 and the flat surfaces 5 subsequent areas of the stop 2.1 are again round or provided with a circular curvature. 1 is shown that the stop 2.1 with the one hand the flat surfaces 5 and on the other hand the round or cylindrical end face 7 interacts with a U-shaped punching 4.1, this has an exactly circular arc.

In Fig. 2.1 ist dargestellt, daß sich sowohl an die ebenen Flächen 5 als auch an die daraufhin folgenden Rundungen an beiden Seitenflanken des Anschlages 2.1 jeweils konkave Einbuchtungen 6 anschließen. Deren Bedeutung bzw. Funktion wird dabei noch weiter untenstehend erläutert.In Fig. 2.1 it is shown that both the flat surfaces 5 as well as the following curves on both sides of the stop 2.1 each connect concave indentations 6. Their meaning and function will continue to grow explained below.

Fig. 2.2 zeigt in Verbindung mit der Fig. 1 eine zweite Ausgestaltung eines erfindungsgemäßen Anschlages 2.2. Wie in Fig. 1 dargestellt wirkt dieser Anschlag 2.2 mit einer U-förmigen Ausstanzung 4.2 nach Art eines Rechteckes zusammen. Die Grundkante dieser Ausstanzung 4.2 ist dabei eine Paralle zu der Vorderkante der Druckplatte 3.2.2 shows a second embodiment in connection with FIG. 1 a stop 2.2 according to the invention. As shown in Fig. 1 this stop 2.2 acts with a U-shaped punching 4.2 together like a rectangle. The base edge of this Die cut 4.2 is a parallel to the front edge of the Pressure plate 3.

Wie in Fig. 2.2 genau dargestellt, weist das der Druckplatte 3 zugewandte Ende dieses Anschlages 2.2 ebenfalls zwei ebene Flächen 5 schräg bzw. im spitzen Winkel zur Zuführrichtung R der Druckplatte 3 verlaufend auf. Die Stirnseite 7 dieses Anschlages 2.2 ist dabei gerade ausgeführt, d.h. auch als ebene Fläche aber senkrecht zur Zuführrichtung der Druckplatte 3 verlaufend. Wie insbesondere in Fig. 7 zu erkennen ist, weist die mit diesem Anschlag 2.2 zusammenwirkende Ausstanzung 4.2 eine größere Breite auf als die Außenabmessungen, d.h. der Abstand der Seitenflanken des Anschlages 2.2. In Achsrichtung des nicht dargestellten Plattenzylinders bilden also der Anschlag 2.1 mit der dazugehörigen Ausstanzung 4.1 das Fest- und der Anschlag 2.2 mit Ausstanzung 4.2 das Loslager.As shown exactly in FIG. 2.2, that of the pressure plate 3 facing end of this stop 2.2 also two flat surfaces 5 obliquely or at an acute angle to the feed direction R Pressure plate 3 running on. The end face 7 of this stop 2.2 has just been executed, i.e. but also as a flat surface running perpendicular to the feed direction of the pressure plate 3. How can be seen in particular in FIG Stop 2.2 interacting punching 4.2 a larger width on than the outside dimensions, i.e. the distance of the side flanks of the attack 2.2. In the axial direction of the not shown Plate cylinders thus form the stop 2.1 with the associated one Punching 4.1 the fixed and the stop 2.2 with punching 4.2 the floating camp.

In den Figuren 2.1 und 2.2 zeigen jeweils die Darstellungen rechts einen Schnitt durch die erfindungsgemäß als Plättchen ausgebildeten Anschläge 2.1 bzw. 2.2. An dem der Druckplatte 3 (Fig. 1) zugewandten Ende des jeweiligen Anschlage 2.1 und 2.2 ist dabei jeweils ein Einsatz 8 aus elektrisch leitendem Material durch eine Isolationsschicht 9 isoliert gegenüber dem ebenfalls aus elektrisch leitendem Material gefertigten Anschlag 2.1 bzw. 2.2 eingelassen. Durch die Anbringung des Anschlages 2.1 bzw. 2.2 an der Klemmschiene 1 wird nun bei korrekt anliegender Druckplatte - vergleiche hierzu die Figuren 5 und 7 - der Einsatz 8 elektrisch mit dem Potential des Plattenzylinder bzw. der Klemmschiene 1 verbunden. Durch nicht dargestellte Kontaktmittel, beispielsweise an die Einsätze 8 anstellbare Taster, ist dies feststellbar. Die Stirnseiten 7 der Einsätze 8 der Anschläge 2.1 und 2.2 sind dabei dergestalt geformt, so daß die Anstellkräfte der Druckplatte 3 in Zufuhrrichtung R ausschließlich durch eben diese Stirnseiten 7 aufgenommen werden. Die Schnitte der Figuren 2.1 bzw. 2.2 zeigen, daß die Anschläge 2.1 bzw. 2.2 an der zur Druckplatte 3 (Fig. 1) hingewandten Seite jeweils noch eine Abschrägung aufweisen. Diese Abschrägung dient dabei einerseits um nicht dargestellte Tastmittel zur Abfrage der Anschläge 2.1 bzw. 2.2 (deren elektrisch isolierte Einsätze 8) anzustellen. Ferner wird durch diese Abschrägung auch gewährleistet, daß die Anschläge 2.1 bzw. 2.2 nicht aus dem Außenumfang des Plattenzylinders herausragen.FIGS. 2.1 and 2.2 each show the representations on the right a section through the formed according to the invention as a plate Stops 2.1 and 2.2. On the pressure plate 3 (Fig. 1) facing End of the respective stops 2.1 and 2.2 is in each case an insert 8 made of electrically conductive material through an insulation layer 9 insulated from that also made of electrical made of conductive material 2.1 or 2.2. By attaching the stop 2.1 or 2.2 to the clamping rail 1 is now with the pressure plate correctly fitted - compare Figures 5 and 7 - the insert 8 electrically with the Potential of the plate cylinder or the clamping rail 1 connected. By contact means not shown, for example to the 8 adjustable buttons, this is lockable. The end faces 7 of the inserts 8 of the stops 2.1 and 2.2 are there shaped so that the contact forces of the pressure plate 3 in Feed direction R exclusively through these end faces 7 be included. The sections of FIGS. 2.1 and 2.2 show that the stops 2.1 and 2.2 on the pressure plate 3 (Fig. 1) facing side still have a bevel. This On the one hand, beveling serves for tactile means, not shown to query the stops 2.1 or 2.2 (their electrically insulated Inserts 8). Furthermore, this bevel also ensures that the stops 2.1 and 2.2 are not from the outer circumference of the plate cylinder protrude.

Die Fig. 5 zeigt die registergerechte Anlage der Druckplatte 3 mit ihrer Ausstanzung 4.1 an der vorderen Außenkontur des Anschlages 2.1. Erkennbar liegt die Druckplatte 3 an der Stirnseite 7 des Einsatzes 8 passend an. Ferner berühren die Flanken der Ausstanzungen 4.1 der Druckplatte 3 die beiden äußersten Flankenenden des Anschlages 2.1. Dadurch wird der elektrisch isoliert eingelassene Einsatz 8 auf das gleiche Potential des Anschlages 2.1 gebracht, was durch Anstellen eines entsprechenden nicht dargestellten Tasters feststellbar ist.5 shows the registration of the pressure plate 3 in register their punching 4.1 on the front outer contour of the stop 2.1. The pressure plate 3 can be seen on the end face 7 of the Insert 8 appropriately. The flanks of the cutouts also touch 4.1 of the pressure plate 3, the two outermost flank ends the attack 2.1. As a result, the electrically insulated is inserted Insert 8 to the same potential of the stop 2.1 brought what by hiring a corresponding not shown Button is noticeable.

Fig. 3 zeigt die Ausrichtfunktion der erfindungsgemäß vorgesehenen schräg zur Zufuhrrichtung R der Druckplatte 3 verlaufend angeordneten ebenen Flächen 5. Dargestellt ist, daß die Druckplatte 3 in nicht exakter Seitenregisterrichtung das Ende des Anschlages 2.1 erreicht. Bei Aufrechterhaltung des Vorschubes in Richtung R kann nun die linke Kante der Ausstanzung 4.1 auf der ebenen Fläche 5 entlanggleiten, bis das Ende des Anschlages 2.1 in die Ausstanzung 4.1 eintauchen kann. Eine ähnliche Situation zeigt hierbei auch die Fig. 6 in Verbindung mit dem Anschlag 2.2 sowie der Ausstanzung 4.2. In dieser Darstellung ist hierbei noch eine Schrägstellung der Druckplatte 3 bei Erreichen des Anschlages 2.2 übertrieben wiedergegeben. Auch hier kann die Druckplatte 3 mit einer Kante der Ausstanzung 4.2 an der entsprechenden ebenen Fläche 5 des Anschlage 2.2 entlanggleiten, bis der Anschlag 2.2 in die Ausstanzung 4.2 eintauchen kann.3 shows the alignment function of those provided according to the invention arranged obliquely to the feed direction R of the pressure plate 3 flat surfaces 5. It is shown that the pressure plate 3 in not exact page register direction the end of the stop 2.1 reached. If the feed is maintained in the R direction, now the left edge of the punch 4.1 on the flat surface 5 slide along until the end of the stop 2.1 in the punched 4.1 can immerse. A similar situation is shown here Fig. 6 in connection with the stop 2.2 and the punching 4.2. In this illustration, there is also an inclination of the Pressure plate 3 exaggerated when reaching the stop 2.2. Again, the pressure plate 3 with an edge of the Punch 4.2 on the corresponding flat surface 5 of the stop 2.2 slide along until the stop 2.2 in the punching 4.2 can immerse.

Fig. 4 zeigt die Bedeutung bzw. die Funktion der konkaven Einbuchtungen 6 des Anschlages 2.1. In diesem Beispiel ist die Druckplatte 3 mit ihrer Ausstanzung 4.1 mit der Stirnseite 7 und kann durch die konkaven Einbuchtungen 6 dabei noch Schränkungsbewegungen ausführen. Durch diese konkaven Einbuchtungen 6 in den Seitenflanken des Anschlages 2.1 erhalten die Kanten der Ausstanzung 4.1 einen bestimmten Freiraum für entsprechende Schränkungsbewegungen.Fig. 4 shows the meaning or the function of the concave indentations 6 of the attack 2.1. In this example, the printing plate is 3 with its punched out 4.1 with the end face 7 and can by concave indentations 6 still setting movements To run. Through these concave indentations 6 in the side flanks of the stop 2.1 receive the edges of the punch 4.1 a certain amount of space for corresponding setting movements.

Da wie in Fig. 7 dargestellt die lichte Weite der Ausstanzung 4.2 größer ist als die Außenabmessungen des zugehörigen Anschlages 2.2, ist es bei diesen Anschlag 2.2 nicht nötig entsprechende konkave Ausbuchtungen vorzunehmen. Um diesen Anschlag 2.2 kann die Druckplatte 3 daher ebenfalls Schränkungsbewegungen bestimmten Maßes ausführen. Lediglich in der in Fig. 7 dargestellten exakten registergerechten Anlage an diesem Anschlag 2.2 liegt die Kante der Ausstanzung 4.2 in linienhafter Berührung an der Stirnseite 7 des Einsatzes 8 an. Since, as shown in FIG. 7, the clear width of the cutout 4.2 is larger than the outer dimensions of the associated stop 2.2, it is not necessary with this stop 2.2 corresponding concave Bulges. At this stop 2.2, the Pressure plate 3 therefore also determine setting movements Execute measure. Only in the exact shown in Fig. 7 the edge of the Die cut 4.2 in linear contact on the face 7 of the Insert 8.

BezugszeichenlisteReference list

11
KlemmschieneClamping rail
2.12.1
Anschlagattack
2.22.2
Anschlagattack
33rd
Druckplatteprinting plate
4.14.1
AusstanzungPunching
4.24.2
AusstanzungPunching
55
Flächesurface
66
Einbuchtungindentation
77
StirnseiteFace
88th
Einsatzcommitment
99
IsolationsschichtInsulation layer
1010th
LanglochLong hole
1111
Schraubescrew
RR
ZuführrichtungFeed direction

Claims (9)

  1. Device for the register correct lay-up of printing plates on the plate cylinders of printing presses, particularly offset sheet printing presses, consisting of a clamping rail arranged axially parallel in the plate cylinder which, for fixing the edge of the printing plate adjacent the print start has a grasping region which is to be closed and in the region of this grasping region stops are provided which cooperate with correspondingly shaped stampings out on the edge of the printing plate,
    characterised in that at least one of the stops (2.1, 2.2) has flat surfaces (5) which run at an angle to the feed direction (R) of the printing plate (3).
  2. Device according to Claim 1, characterised in that a stop (2.1) cooperates with a U-shaped stamping out (4.1) which has an arcuately shaped contour region and the stop (2.1) has an arcuately shaped arranged front edge (7) lying adjacent flat surfaces (5) therein with in turn adjacent arcuately shaped transitions thereon.
  3. Device according to Claim 1, characterised in that a stop (2.2) cooperates with a stamping out (4.2) which has an edge which runs parallel to the front edge of the printing plate (3) and that the stop (2.2) has a front face (7) in the form of a flat surface adjoining which are the flat surfaces (5) running obliquely relative to the feed direction (R) of the printing plate (3).
  4. Device according to one of the preceding Claims, characterised in that the surfaces (5) on one of the stops (2.1, 2.2) include between them an angle of 90° relative to one another, wherein the feed device (R) of the printing plate (3) represents the bisector.
  5. Device according to one of the preceding Claims, characterised in that the stops (2.1, 2.2) are constructed as a little plate fixed to the clamping rail (1) wherein the end of the little plate turned towards the printing plate (3) has the flat surfaces (5) as well as the end faces provided.
  6. Device according to Claim 5, characterised in that on the side flanks of the stop (2.1) constructed as a little plate concave recesses (6) are arranged.
  7. Device according to Claim 5 or 6, characterised in that the stops (2.1, 2.2) formed as little plates have at their end turned away from the printing plate (3) a slot (10) for adjustable fixing on to the clamping rail (1).
  8. Device according to one of the preceding Claims, characterised in that in the stops (2.1, 2.2) electrically insulated inserts (8) are let in which, in each case, form the end face (7) of the stops (2.1, 2.2).
  9. Device according to Claim 8, characterised in that the inserts (8) arranged electrically insulated with respect to the stops (2.1, 2.2) can be interrogated individually from a control.
EP95117028A 1994-11-11 1995-10-28 Device for fitting printing plates Expired - Lifetime EP0711664B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9418049U 1994-11-11
DE9418049U DE9418049U1 (en) 1994-11-11 1994-11-11 Device for registering printing plates

Publications (2)

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EP0711664A1 EP0711664A1 (en) 1996-05-15
EP0711664B1 true EP0711664B1 (en) 1998-03-25

Family

ID=6915968

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Application Number Title Priority Date Filing Date
EP95117028A Expired - Lifetime EP0711664B1 (en) 1994-11-11 1995-10-28 Device for fitting printing plates

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EP (1) EP0711664B1 (en)
AT (1) ATE164349T1 (en)
DE (2) DE9418049U1 (en)

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DE4238800A1 (en) * 1992-11-17 1994-05-19 Shinohara Machinery Co Multi-colour printing press printing plate alignment - determining registration information by comparison with optically-measured values of reference printing plate, for aligning of cylinder plates
DE19542156C1 (en) * 1995-11-11 1997-05-15 Kba Planeta Ag Flexible printing plate and clamp for plate cylinder of sheet-fed printing press
DE19803725A1 (en) * 1998-01-30 1999-08-05 Heidelberger Druckmasch Ag Device for accurate positioning of a printing plate
DE19921272A1 (en) * 1999-05-07 2000-11-09 Heidelberger Druckmasch Ag Piezoceramic clamping monitoring device for detecting a printing plate position
US6691616B2 (en) 1999-05-07 2004-02-17 Heidelberger Druckmaschinen Ag Device for detecting the position of a printing plate on a cylinder of a rotary printing machine
DE102007039824B4 (en) * 2007-08-23 2009-05-20 Manroland Ag Register web device for a sheet-fed press
DE102009012147A1 (en) 2008-03-27 2009-10-01 Heidelberger Druckmaschinen Ag Method and apparatus for feeding printing plates to a plate cylinder of a processing machine
ES2394445B1 (en) * 2010-02-17 2013-08-20 Comexi Group Industries S.A. POSITIONING SYSTEM FOR POSITIONING A HOSE ON A MANDRIL, HOSE, AND MANDRIL, APPLICABLE TO A ROLLER OF PRINTER MACHINE.
JP5570676B1 (en) * 2011-06-30 2014-08-13 ケーニツヒ ウント バウエル アクチエンゲゼルシヤフト How to place the plate on the plate cylinder
MX344390B (en) 2011-06-30 2016-12-13 Koenig & Bauer Ag Method of mounting and registering a printing plate on a plate cylinder of a multicolour offset printing press.
ES2560015T3 (en) 2011-06-30 2016-02-17 Koenig & Bauer Ag Cylinder holder
DE102012207109B3 (en) 2012-04-27 2013-05-02 Koenig & Bauer Aktiengesellschaft Method for placing a printing plate on a plate cylinder
DE102012207106B4 (en) 2012-04-27 2015-04-02 Koenig & Bauer Aktiengesellschaft plate cylinder
DE102012207101B4 (en) 2012-04-27 2016-06-23 Koenig & Bauer Ag plate cylinder
DE102012214585B4 (en) 2012-08-16 2014-09-04 Koenig & Bauer Aktiengesellschaft Method for registering in each case at least one printing plate on at least two plate cylinders of a printing press and a system for register control
DE102012214587B4 (en) 2012-08-16 2014-05-22 Koenig & Bauer Aktiengesellschaft Method for arranging each at least one printing plate on at least two plate cylinders
DE102012220736B4 (en) 2012-11-14 2017-01-05 Koenig & Bauer Ag Safety device of a plate cylinder of a printing press and a method for securing a plate cylinder of a printing press
IT202100014399A1 (en) 2021-06-01 2022-12-01 Expert S R L Flexographic printing machine

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DE7312511U (en) * 1973-09-13 Siebdruck A Gmbh Screen printing machine with a flat stencil
US3882775A (en) * 1973-07-02 1975-05-13 World Color Press Registration system for thin magnetic printing plates
DE3438931A1 (en) * 1984-10-24 1986-04-24 Heidelberger Druckmaschinen Ag, 6900 Heidelberg DEVICE FOR ADJUSTING A FLEXIBLE PRINT PLATE ON THE PLATE CYLINDER OF ROTARY PRINTING MACHINES
IT1183507B (en) * 1985-03-28 1987-10-22 Arnoldo Mandadori Editore Offi DEVICE FOR REGISTRATION OF THE PRINTING PLATES ON THE CYLINDERS OF FLAT OFFSET PRINTING MACHINES
JP3194199B2 (en) * 1992-01-17 2001-07-30 株式会社小森コーポレーション Plate mounting device on plate cylinder
DE4223908C2 (en) * 1992-06-30 1995-09-28 Lehner Gmbh Clamping device for clamping and adjusting a printing plate on a plate cylinder
JP2573523Y2 (en) 1992-07-31 1998-06-04 株式会社小森コーポレーション Plate mounting device for printing press
DE9215069U1 (en) 1992-11-05 1992-12-17 Man Roland Druckmaschinen Ag, 6050 Offenbach, De

Also Published As

Publication number Publication date
EP0711664A1 (en) 1996-05-15
DE59501698D1 (en) 1998-04-30
DE9418049U1 (en) 1994-12-22
ATE164349T1 (en) 1998-04-15

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