EP0734859B1 - Device for exchanging printing plates - Google Patents
Device for exchanging printing plates Download PDFInfo
- Publication number
- EP0734859B1 EP0734859B1 EP96100378A EP96100378A EP0734859B1 EP 0734859 B1 EP0734859 B1 EP 0734859B1 EP 96100378 A EP96100378 A EP 96100378A EP 96100378 A EP96100378 A EP 96100378A EP 0734859 B1 EP0734859 B1 EP 0734859B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- plate
- printing form
- unit
- cylinder
- 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 device for changing of printing forms on cylinders of printing machines, the one Includes swiveling printing forme loading unit
- Printing form feed and a printing form removal unit includes, the printing forme loading unit in a Working position on the channel of a printing form cylinder with Clamping devices and pivotable into a loading position is in which the printing form loading unit from the working position withdrawn.
- a plate holding unit is replaced by one above of the printing unit arranged bevel gear moved.
- a rack on the rear part of the Plate holding unit is provided, meshes with one on one Bevel gear shaft arranged gear, creating a Vertical movement of the plate holding unit can be achieved.
- EP 0 530 577 A1 discloses a device for positioning one for automatic plate change Magazine.
- a magazine that can be moved into several positions inserts with this concept fits harmoniously into the overall machine on. It can be a printing plate change position, a Position for the exchange of the printing plates in the magazine, as well a service and a normal operating position become.
- the magazine can be moved in a vertical guide and pivotable about a horizontal axis; are also Drives for moving and tilting the magazine intended. With this configuration, the cover is Delivery side of a sheetfed printing unit in the Normal operating position of the magazine can be reached, so that it as Protection acts.
- EP 0 520 594 A1 shows a printing form changing device Printing machines.
- a printing form magazine is between one Working and a loading position pivoted.
- On the end of the magazine facing the printing unit rotatable rollers provided when changing the printing form - ie when placing the magazine on the clamping device of the Printing forme cylinders - the magazine on the printing form cylinder support the magazine during the printing plate change Hold position.
- the advantage of the solution according to the invention is above all the fact that in the contact area between the printing form and the holding element when removing the old and feeding the new one Printing form on moving adjustment elements can be dispensed with can, because the inherent elasticity of the printing form both when Losing weight is also used when applying.
- the Swiveling of the printing form magazine allows unimpeded Access to the printing unit and unhindered access to the Magazine in its loading position - for example from a platform out.
- Entry area of the holding element to the printing form removal compartment assign the printing form loading unit, so that a continuous Funding level is created.
- the funding agencies are on Holding element stored such that it is in the conveying plane of the Pass in the printing form removal compartment.
- a protective device can be inactive - during the printing form change - to support the Printing form loading unit used, a separate Support device or employment at the Printing unit cylinders can be omitted.
- To customize the Printing form on the surface of the printing form cylinder can be a roller already in the machine - for example the dampening roller - be used; A separate Pressure unit can be omitted.
- each in the Printing form loading unit located printing forms takes place over Locks, each via a separate actuator can be activated.
- detents are in Embodiment biased lever or hook provided. These can be moved on guides or stationary in the Printing form loading unit must be included.
- the swiveling printing form loading unit 2 comprises a Printing form removal tray 2.1 and a printing form feed tray 2.2.
- a movable locking device 3 is provided, with which one too removing printing form 14 completely into the Printing form removal compartment 2.1 can be drawn in.
- Means a hook 4 is a printing form 14 to be applied - with angled front and rear edge 15, 16 - in a vertical Position held in the printing form feeder 2.2.
- the trailing edge 16 is by an actuator 23 moving the hook 4 releasable.
- a swivel unit 21 - here represented schematically as a piston / cylinder unit - can the printing form loading unit 2 about a pivot axis 24 and one Breakpoint 26 can be made to a holding element 5.
- the Printing form loading unit 2 has above the Printing form removal compartment 2.1 via an actuating unit 29, with which the locking 3 by means of a link guide 31st is displaceable parallel to the printing form removal compartment 2.1.
- the lock 3 comprises a rotatably mounted lever 30, which is made resilient by means of a biasing element 28 and the trailing edge 16 one in that Printing form removal compartment 2.1 incoming to be removed Printing form 14 takes hold.
- a Protection device 8 which also serves as a support for the printing form loading unit swiveled into its working position 2 serves as a holding element 5 is provided.
- the Holding element 5 and the protective device 8 are both over Actuators 18 and 20 pivotable - it may be the actuators 18 and 20 as Pneumatic cylinders, electric motors or the like to train. The same applies to an actuating unit 19, with which a roller 7 to the surface of the Printing form cylinder 12 can be turned on and off again.
- pivotable holding element 5 has an upper Guide surface 9 and a lower guide surface 11, between which a funnel-shaped inlet area 13 is formed is.
- pivotable holding element 5 has an upper Guide surface 9 and a lower guide surface 11, between which a funnel-shaped inlet area 13 is formed is.
- Fig. 2 shows the printing form loading unit 2 in the Holding element employed state.
- the actuator 18 pivots the Protection device 8 such that this as a support for front part of the printing form loading unit 2 is used.
- the Conveyors 6 take the rear of the new printing form 22 to be applied; then by the Actuator 23 of the hook 4 actuated so that the Trailing edge 16 of the printing form 22 in the Printing form feed compartment 2.2 is exposed.
- the Actuating unit 19 now turns on the roller 7 the surface of those on the printing form cylinder 12 Printing form 14.
- This roller 7 can already be one act existing roller, such as one Moist application roller or similar, at least it is not separate pressure roller required.
- the printing cylinder 12 slowly rotate backwards until the channel 17 of the lower guide surface 11 of the Holding element 5 is opposite. Then there is the automatic Clamping device 1 clears the rear edge 16 of the printing form 14, to immediately close again, to the To continue to fix the leading edge 15.
- the trailing edge 16 runs into the inlet area 13, through which they according to Fig. 3 in the printing form removal 2.1 to the Holding element 5 provided printing form loading unit 2 arrives.
- the front area is the printing form 22 to be applied by the conveying devices 6 seized below the holding element 5, the new to be applied printing form 22 is in Printing form feed tray 2.2 fixed. Supported by the to the Surface of the printing plate to be removed 7 the printing plate 14 is inserted into the Printing form removal compartment 2.1 of the printing form loading unit 2.
- Printing form cylinder 12 printing form 14 to be removed by a Actuator 29 in the printing form removal compartment 2.1 to its End is promoted.
- the actuator 29 is with a Link guide 31, on which the locking device 3 including the pretensioned lever 30.
- the removed one In this way, printing form 14 becomes entry area 13 removed the holding element 5, with which the front area of the already seized, new ones to be applied 6 to the surface of the Printing forme cylinder 12 is turned on.
- a roller 7 to be set against the printing form 22 according to FIG. 7 facilitates the mounting of the printing form 22 considerably and nestles against the curvature of the surface of the Printing forme cylinder 12.
- the rear edge 16 is approached the new printing form 22 to the Give conveyors 6 below the holding element 5 this completely free the printing form 22, so that this supported by the roller 7 on the circumference of the Printing form cylinder 12 arrives. Since the inside of the Printing form feed compartment 2.2 and printing form removal compartment 2.1 with the top of the printing form, which reduces friction Coating is damage to the Printing forms excluded.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Camera Data Copying Or Recording (AREA)
- Electronic Switches (AREA)
- Dot-Matrix Printers And Others (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Einrichtung zum Wechseln von Druckformen auf Zylindern von Druckmaschinen, die eine schwenkbare Druckformladeeinheit umfaßt, die ein Druckformzuführ- und eine Druckformentfernungseinheit einschließt, wobei die Druckformladeeinheit in eine Arbeitsposition an den Kanal eines Druckformzylinders mit Klemmeinrichtungen und in eine Ladeposition verschwenkbar ist, in der die Druckformladeeinheit aus der Arbeitsposition zurückgezogen ist.The invention relates to a device for changing of printing forms on cylinders of printing machines, the one Includes swiveling printing forme loading unit Printing form feed and a printing form removal unit includes, the printing forme loading unit in a Working position on the channel of a printing form cylinder with Clamping devices and pivotable into a loading position is in which the printing form loading unit from the working position withdrawn.
Aus dem Stand der Technik, der EP 0519 583, ist eine Plattenwechseleinrichtung für Druckmaschinen bekannt geworden. Eine Plattenhalteeinheit wird durch ein oberhalb des Druckwerkes angeordnetes Kegelradgetriebe auf- und abbewegt. Eine Zahnstange, die am rückwärtigen Teil der Plattenhalteeinheit vorgesehen ist, kämmt mit einem auf einer Kegelradwelle angeordneten Zahnrad, wodurch eine Vertikalbewegung der Plattenhalteeinheit erzielbar ist.One of the prior art, EP 0519 583 Plate changing device for printing machines known become. A plate holding unit is replaced by one above of the printing unit arranged bevel gear moved. A rack on the rear part of the Plate holding unit is provided, meshes with one on one Bevel gear shaft arranged gear, creating a Vertical movement of the plate holding unit can be achieved.
EP 0 530 577 A1 offenbart eine Vorrichtung zur Positionierung eines dem automatischen Druckplattenwechsel dienenden Magazins. Ein in mehrere Positionen verfahrbares Magazin fügt sich bei dieser Konzeption harmonisch in die Gesamtmaschine ein. Es können eine Druckplattenwechselposition, eine Position für den Austausch der Druckplatten im Magazin, sowie eine Service- und eine Normalbetriebsposition eingenommen werden. Das Magazin ist in einer Vertikalführung verschiebbar und um eine horizontale Achse schwenkbar; ferner sind Antriebe für das Verschieben und das Kippen des Magazins vorgesehen. Mit dieser Ausgestaltung ist eine Abdeckung der Auslegerseite eines Bogenmaschinendruckwerkes in der Normalbetriebsposition des Magazins erreichbar, so daß es als Schutz fungiert.EP 0 530 577 A1 discloses a device for positioning one for automatic plate change Magazine. A magazine that can be moved into several positions inserts with this concept fits harmoniously into the overall machine on. It can be a printing plate change position, a Position for the exchange of the printing plates in the magazine, as well a service and a normal operating position become. The magazine can be moved in a vertical guide and pivotable about a horizontal axis; are also Drives for moving and tilting the magazine intended. With this configuration, the cover is Delivery side of a sheetfed printing unit in the Normal operating position of the magazine can be reached, so that it as Protection acts.
EP 0 520 594 A1 zeigt eine Druckformwechseleinrichtung an Druckmaschinen. Ein Druckformmagazin ist zwischen einer Arbeits- und einer Ladeposition verschwenkbar gelagert. An dem dem Druckwerk zugewandten Ende des Magazines sind drehbare Rollen vorgesehen, die beim Druckformwechsel - also bei Anstellung des Magazins an die Spanneinrichtung des Druckformzylinders - das Magazin am Druckformzylinder abstützen, um das Magazin während des Druckformwechsels in Position zu halten.EP 0 520 594 A1 shows a printing form changing device Printing machines. A printing form magazine is between one Working and a loading position pivoted. On the end of the magazine facing the printing unit rotatable rollers provided when changing the printing form - ie when placing the magazine on the clamping device of the Printing forme cylinders - the magazine on the printing form cylinder support the magazine during the printing plate change Hold position.
Ausgehend vom skizzierten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Druckformwechseleinrichtung derart zu optimieren, daß die Zugänglichkeit zu Druckwerkkomponenten durch die Druckformwechseleinrichtung nicht eingeschränkt wird.Based on the outlined state of the art Invention based on the object To optimize printing plate changing device so that the Access to printing unit components through the Printing form changing device is not restricted.
Erfindungsgemäß wird diese Aufgabe durch die Merkmale des
Patentanspruches 1 gelöst.According to the invention, this object is achieved through the features of
Von Vorteil bei der erfindungsgemäßen Lösung ist vor allem der Umstand, daß im Kontaktbereich zwischen der Druckform und dem Halteelement bei Abnahme der alten und Zufuhr der neuen Druckform auf mitbewegte Justageelemente verzichtet werden kann, da die Eigenelastizität der Druckform sowohl beim Abnehmen als auch beim Aufbringen ausgenutzt wird. Die Schwenkbarkeit des Druckformmagazins erlaubt ungehinderten Zugang zum Druckwerk und einen ungehinderten Zugang zum Magazin in dessen Ladeposition - etwa von einer Plattform aus. The advantage of the solution according to the invention is above all the fact that in the contact area between the printing form and the holding element when removing the old and feeding the new one Printing form on moving adjustment elements can be dispensed with can, because the inherent elasticity of the printing form both when Losing weight is also used when applying. The Swiveling of the printing form magazine allows unimpeded Access to the printing unit and unhindered access to the Magazine in its loading position - for example from a platform out.
In Ausgestaltung des Erfindungsgedankens, ist vorgesehen, den Einlaufbereich des Halteelements dem Druckformentfernungsfach der Druckformladeeinheit zuzuordnen, so daß eine durchgehende Förderebene geschaffen wird. Die Fördereinrichtungen sind am Halteelement derart gelagert, daß sie in die Förderebene des Druckformentfernungsfaches hineinreichen.In an embodiment of the inventive concept, it is provided that Entry area of the holding element to the printing form removal compartment assign the printing form loading unit, so that a continuous Funding level is created. The funding agencies are on Holding element stored such that it is in the conveying plane of the Pass in the printing form removal compartment.
Eine Schutzeinrichtung kann im inaktiven Zustand - während des Druckformwechsels - zur Abstützung der Druckformladeeinheit verwendet werden, eine separate Abstützeinrichtung oder eine Anstellung an den Druckwerkzylinder können entfallen. Zum Anpassen der Druckform an die Oberfläche des Druckformzylinders kann eine bereits in der Maschine befindliche Walze - beispielsweise die Feuchtauftragswalze - benutzt werden; eine separate Anpreßeinheit kann entfallen.A protective device can be inactive - during the printing form change - to support the Printing form loading unit used, a separate Support device or employment at the Printing unit cylinders can be omitted. To customize the Printing form on the surface of the printing form cylinder can be a roller already in the machine - for example the dampening roller - be used; A separate Pressure unit can be omitted.
Die Arretierung und Freigabe der jeweils in der Druckformladeeinheit befindlichen Druckformen erfolgt über Arretierungen, die über je eine separate Stelleinheit aktivierbar sind. Als Arretierungen sind im Ausführungsbeispiel vorgespannte Hebel oder Haken vorgesehen. Diese können an Führungen verschiebbar oder stationär in der Druckformladeeinheit aufgenommen sein.The locking and release of each in the Printing form loading unit located printing forms takes place over Locks, each via a separate actuator can be activated. As detents are in Embodiment biased lever or hook provided. These can be moved on guides or stationary in the Printing form loading unit must be included.
Anhand einer Zeichnung wird die Erfindung nachstehend im Detail erläutert.Using a drawing, the invention is hereinafter in Explained in detail.
Es zeigt:
- Fig. 1
- die Druckformladeeinheit in vertikaler Position mit senkrecht orientierter zuzuführender Druckform,
- Fig. 2
- die um eine Schwenkachse verschwenkte Druckformladeeinheit im an das Halteelement angestellten Zustand,
- Fig. 3
- den Einlauf eines rückwärtigen Endes einer vom Druckformzylinder anzunehmenden Druckform in die Druckformentfernungseinheit,
- Fig. 4
- den Einzug der abgenommenen Druckform in die Druckformentfernungseinheit,
- Fig. 5
- die Endposition der abgenommenen Druckform in der Druckformentfernungseinheit,
- Fig. 6
- die Anstellung des Vorderteils einer zuzuführenden Druckform an die Oberfläche des Druckformzylinders,
- Fig. 7
- das durch das Halteelement freigegebene Ende der neu aufzuziehenden Druckform und
- Fig. 8
- das Glattstreichen der aufgebrachten Druckform am sich in axialer Richtung erstreckenden Kanal des Druckformzylinders.
- Fig. 1
- the printing form loading unit in the vertical position with the printing form to be fed oriented vertically,
- Fig. 2
- the printing form loading unit pivoted about a pivot axis in the state in which it is in the state of the holding element,
- Fig. 3
- the entry of a rear end of a printing form to be accepted by the printing form cylinder into the printing form removal unit,
- Fig. 4
- the removal of the removed printing form into the printing form removal unit,
- Fig. 5
- the end position of the removed printing form in the printing form removal unit,
- Fig. 6
- the placement of the front part of a printing form to be fed onto the surface of the printing form cylinder,
- Fig. 7
- the end released by the holding element of the new printing form and
- Fig. 8
- the smoothing of the applied printing form on the channel of the printing form cylinder which extends in the axial direction.
In der Darstellung gemäß Fig. 1 befindet sich die verschwenkbare Druckformladeeinheit in einer senkrechten Ladeposition.1 is the swiveling printing form loading unit in a vertical Loading position.
Die schwenkbare Druckformladeeinheit 2 umfaßt ein
Druckformentfernungsfach 2.1 und ein Druckformzuführfach 2.2.
Im rückwärtigen Teil des Druckformentfernungsfaches 2.1 ist
eine bewegbare Arretierung 3 vorgesehen, mit welcher eine zu
entfernende Druckform 14 vollständig in das
Druckformentfernungsfach 2.1 eingezogen werden kann. Mittels
eines Hakens 4 wird eine aufzubringende Druckform 14 - mit
abgewinkelter Vorder- und Hinterkante 15, 16 - in senkrechter
Lage im Druckformzuführfach 2.2 gehalten. Die Hinterkante 16
ist durch einen den Haken 4 bewegende Stelleinheit 23
freigebbar. Mittels einer Schwenkeinheit 21 - hier
schematisch als Kolben/Zylindereinheit wiedergegeben - kann
die Druckformladeeinheit 2 um eine Schwenkachse 24 und einen
Haltepunkt 26 an ein Halteelement 5 angestellt werden. Die
Druckformladeeinheit 2 verfügt oberhalb des
Druckformentfernungsfaches 2.1 über eine Stelleinheit 29, mit
welcher die Arretierung 3 mittels einer Kulissenführung 31
parallel zum Druckformentfernungsfach 2.1 verschiebbar ist.
Die Arretierung 3 umfaßt einen drehbar gelagerten Hebel 30,
der mittels eines Vorspannelementes 28 federnd angestellt ist
und die Hinterkante 16 einer in das
Druckformentfernungsfach 2.1 einlaufenden abzunehmenden
Druckform 14 ergreift.The swiveling printing
Am Druckwerk, bestehend aus einem Übertragungszylinder 10 und
einem Druckformzylinder 12, ist sowohl eine
Schutzvorrichtung 8, die gleichzeitig als Abstützung für die
in ihre Arbeitsposition geschwenkte Druckformladeeinheit 2
dient, als auch ein Halteelement 5 vorgesehen ist. Das
Halteelement 5 sowie die Schutzeinrichtung 8 sind beide über
Stelleinheiten 18 bzw. 20 verschwenkbar - wobei es
dahingestellt sein kann, die Stelleinheiten 18 und 20 als
Pneumatikzylinder, Elektromotoren oder dergleichen
auszubilden. Entsprechendes gilt für eine Stelleinheit 19,
mit welcher eine Walze 7 an die Oberfläche des
Druckformzylinders 12 an- un wieder abstellbar ist. Die
gegenwärtig auf dem Umfang der Druckformzylinder 12
befindliche, jedoch von diesem abzunehmende Druckform 14 ist
mit Vorder- und Hinterkante 15, 16 in einem Kanal 17 des
Druckformzylinders 12 befestigt. In diesem Kanal 17 ist eine
automatische Klemmeinrichtung 1 vorgesehen, welche die
Druckformen 14 bzw. 22 klemmt. Das bereits erwähnte
schwenkbare Halteelement 5 verfügt über eine obere
Leitfläche 9 und eine untere Leitfläche 11, zwischen denen
ein trichterförmig verlaufender Einlaufbereich 13 gebildet
ist. An der Unterseite des Halteelementes 5 befinden sich
Fördereinrichtungen 6, mit deren Hilfe eine auf den Umfang
des Druckformzylinders 2 aufzubringende Druckform 22 an die
Oberfläche des Zylinders 12 anstellbar ist.On the printing unit, consisting of a
Fig. 2 zeigt die Druckformladeeinheit 2 im an das
Halteelement angestellten Zustand.Fig. 2 shows the printing
Bevor die Druckformladeeinheit 2 an das Halteelement 5
angestellt wird, verschwenkt die Stelleinheit 18 die
Schutzvorrichtung 8 derart, daß diese als Abstützung des
vorderen Teils der Druckformladeeinheit 2 dient. Die
Fördereinrichtungen 6 ergreifen die rückwärtige Seite der neu
aufzubringenden Druckform 22; anschließend wird durch die
Stelleinheit 23 der Haken 4 betätigt, so daß die
Hinterkante 16 der Druckform 22 in dem
Druckformzuführfach 2.2 freiliegt. Mittels der
Stelleinheit 19 erfolgt nunmehr die Anstellung der Walze 7 an
die Oberfläche der auf den Druckformzylinder 12 befindlichen
Druckform 14. Bei dieser Walze 7 kann es sich um eine bereits
vorhandene Walze handeln, wie beispielsweise eine
Feuchtauftragswalze oder ähnliche, jedenfalls ist keine
separate Andrückwalze erforderlich.Before the printing
Die Druckwerkzylinder 12 drehen sich langsam rückwärts, bis
der der Kanal 17 der unteren Leitfläche 11 des
Halteelementes 5 gegenüberliegt. Sodann gibt die automatische
Klemmeinrichtung 1 die Hinterkante 16 der Druckform 14 frei,
um sich gleich darauf wieder zu schließen, um die
Vorderkante 15 weiterhin zu fixieren. Die Hinterkante 16
läuft in den Einlaufbereich 13 ein, durch welchen sie gemäß
Fig. 3 in das Druckformentfernungsfach 2.1 der an das
Halteelement 5 gestellten Druckformladeeinheit 2 gelangt.The
Zu diesem Zeitpunkt ist der vordere Bereich der
aufzubringenden Druckform 22 von den Fördereinrichtungen 6
unterhalb des Halteelementes 5 ergriffen, die neu
aufzubringende Druckform 22 ist dadurch im
Druckformzuführfach 2.2 fixiert. Unterstützt durch die an die
Oberfläche der abzunehmenden Druckform angestellte Walze 7
erfolgt das Einschieben der Druckform 14 in das
Druckformentfernungsfach 2.1 der Druckformladeeinheit 2.At this point, the front area is the
In Fig. 4 ist gezeigt, wie nach Freigabe der Vorderkante 15
die abzunehmende Druckform 14 auf der unteren Leitfläche 11
des Halteelementes 5 aufliegend, durch den vorgespannten
Hebel 30 an der Hinterkante 16 ergriffen, in das
Druckformentfernungsfach 2.1 eingezogen wird. Die neu
aufzubringende Druckform 22 verbleibt, ergriffen durch die
Fördereinrichtung 6 unterhalb des Halteelementes 5 in ihrer
Lage, wobei deren Hinterkante 16 durch den Haken 4 bereits
freigegeben ist.4 shows how the
Der Darstellung gemäß Fig. 5 ist zu entnehmen, daß die vom
Druckformzylinder 12 abzunehmende Druckform 14 durch eine
Stelleinheit 29 im Druckformentfernungsfach 2.1 bis an dessen
Ende befördert wird. Die Stelleinheit 29 ist mit einer
Kulissenführung 31 versehen, an welcher die Arretierung 3
samt vorgespanntem Hebel 30 aufgenommen ist. Die abgenommene
Druckform 14 wird auf diese Weise aus dem Einlaufbereich 13
des Halteelementes 5 entfernt, mit welchem nunmehr der
vordere Bereich der bereits ergriffenen, neu aufzubringenden
Druckform 22 gemäß Fig. 6 an die Oberfläche des
Druckformzylinders 12 angestellt wird.5 that the dated
Die an die Mantelfläche des Druckformzylinders 12 angestellte
Vorderkante 15 der neu aufzubringenden Druckform 22 wird noch
von den Fördereinrichtungen 6 gehalten; nach Eintauchen in
den Kanal 17 erfolgt die Klemmung der Vorderkante 15 durch
die automatischen Halteeinrichtungen 1 und der Aufzug der
Druckform 22 auf dieden Zylinderumfang des
Druckformzylinders 12 kann erfolgen, da die Hinterkante 16
durch den Haken 4 freigegeben ist. The employed on the lateral surface of the
Eine gemäß Fig. 7 an die Druckform 22 anzustellende Walze 7
erleichtert das Aufziehen der Druckform 22 erheblich und
schmiegt diese an die Krümmung der Oberfläche des
Druckformzylinders 12 an. Bei Annäherung der Hinterkante 16
der neu aufzubringenden Druckform 22 an die
Fördereinrichtungen 6 unterhalb des Halteelementes 5 geben
diese die Druckform 22 vollständig frei, so daß diese
unterstützt durch die Walze 7 auf dem Umfang des
Druckformzylinders 12 gelangt. Da die Innenseiten vom
Druckformzuführfach 2.2 und Druckformentfernungsfach 2.1 mit
einer reibungsvermindernden die Druckformoberseite schonenden
Beschichtung versehen sind, ist eine Beschädigung der
Druckformen ausgeschlossen.A
In der Darstellung gemäß Fig. 8 ist gezeigt, wie sowohl die
Vorder- als auch die Hinterkante 15, 16 der Druckform 22
angedrückt werden, um einen minimalen Spalt zu erzielen. Über
die Stelleinheit 18 schwenkt die Schutzeinrichtung 8 in den
Spalt zwischen den Druckwerkzylindern 10, 12 zurück, mittels
der Stelleinheit 20 wird das Halteelement 5 in eine vom
Umfang des Druckformzylinders 12 abgestellte Lage gebracht,
die schwenkbare Druckformladeeinheit 2 kann nunmehr in ihre
Ladeposition zurückschwenken. 8 shows how both the
The front and
- 11
- automatische Klemmeinrichtungautomatic clamping device
- 22nd
- DruckformladeeinheitPrinting form loading unit
- 2.12.1
- DruckformentfernungsfachPrint form removal tray
- 2.22.2
- DruckformzuführfachPrinting form feeder
- 33rd
- ArretierungLocking
- 44th
- Hakenhook
- 55
- HalteelementHolding element
- 66
- FördereinrichtungConveyor
- 77
- Walzeroller
- 88th
- SchutzvorrichtungProtection device
- 99
- obere Leitflächeupper guide surface
- 1010th
- ÜbertragungszylinderTransfer cylinder
- 1111
- untere Leitflächelower guide surface
- 1212th
- DruckformzylinderPrinting form cylinder
- 1313
- EinlaufbereichInfeed area
- 1414
- abzunehmende Druckformprint form to be removed
- 1515
- VorderkanteLeading edge
- 1616
- HinterkanteTrailing edge
- 1717th
- Kanalchannel
- 1818th
- StelleinheitActuator
- 1919th
- StelleinheitActuator
- 2020th
- StelleinheitActuator
- 2121
- SchwenkeinheitSwivel unit
- 2222
- aufzubringende Druckformprinting form to be applied
- 2323
- StelleinheitActuator
- 2424th
- SchwenkachseSwivel axis
- 2525th
- Halterungbracket
- 2626
- HaltepunktBreakpoint
- 2727
- KolbenstangePiston rod
- 2828
- VorspannelementPreloading element
- 2929
- StelleinheitActuator
- 3030th
- Hebellever
- 3131
- KulissenführungScenery tour
Claims (11)
- Apparatus for changing printing plates on cylinders of printing machines, comprising a pivotable printing-plate loading unit, which includes a printing-plate feed compartment and a printing-plate removal compartment, it being possible for the printing-plate loading unit to be pivoted into a working position at the channel in a printing-plate cylinder having clamping devices, and into a loading position, in which the printing-plate loading unit is retracted from the working position, characterized in that the printing-plate loading unit (2), which can be pivoted into a vertical loading position, can be pivoted against a holding element (5), on which there are provided an inlet area (13) for a printing plate (14) to be taken off the printing-plate cylinder (12), and conveying devices (6) for a printing plate (22) to be fitted to the printing-plate cylinder (12).
- Apparatus according to Claim 1, characterized in that the inlet area (13) is assigned to the printing-plate removal compartment (2.1) of the printing-plate loading unit (2).
- Apparatus according to Claim 1, characterized in that the conveying devices (6) on the holding element (5) act in the conveying plane of the printing plate (22) that is to be fitted and is located in the printing-plate feed compartment (2.2).
- Apparatus according to Claim 1, characterized in that, in its working position, the printing-plate loading unit (2) is supported by a protective device (8).
- Apparatus according to Claim 1, characterized in that the operations of taking off the printing plate (14) and pulling on the printing plate (22) to be fitted are aided by a roll (7) which can be brought into contact with the printing-plate cylinder (12).
- Apparatus according to Claim 5, characterized in that the roll (7) which can be brought into contact with the cylinder is the damping-solution applicator roll of a printing unit.
- Apparatus according to Claim 1, characterized in that the printing-plate removal compartment (2.1) and the printing-plate feed compartment (2.2) of the printing-plate loading unit (2) are each assigned an actuating unit (23, 29), which actuate locking means (3, 4) for the printing plates (14, 22).
- Apparatus according to Claim 7, characterized in that the locking means (3) comprises a pre-tensioned lever (28, 30).
- Apparatus according to Claim 7, characterized in that the locking means (3) can be moved parallel to the printing-plate removal compartment (2.1).
- Apparatus according to Claim 7, characterized in that the locking means (3) can be moved in a slotted guide (31).
- Apparatus according to Claim 7, characterized in that the locking means (4), which is assigned to the printing-plate feed compartment (2.2), grips the trailing edge (16) of the printing plate (22) that is about to be fitted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9503828A FR2732267B1 (en) | 1995-03-31 | 1995-03-31 | DEVICE FOR CHANGING PRINTING FORMS |
| FR9503828 | 1995-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0734859A1 EP0734859A1 (en) | 1996-10-02 |
| EP0734859B1 true EP0734859B1 (en) | 1999-03-31 |
Family
ID=9477630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96100378A Expired - Lifetime EP0734859B1 (en) | 1995-03-31 | 1996-01-12 | Device for exchanging printing plates |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5701822A (en) |
| EP (1) | EP0734859B1 (en) |
| JP (1) | JP3032484U (en) |
| AT (1) | ATE178269T1 (en) |
| CA (1) | CA2172459A1 (en) |
| DE (1) | DE59601528D1 (en) |
| FR (1) | FR2732267B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113346A (en) | 1996-07-31 | 2000-09-05 | Agfa Corporation | Method for loading and unloading a supply of plates in an automated plate handler |
| JPH115297A (en) * | 1997-06-18 | 1999-01-12 | Komori Corp | Automatic setup device for printer |
| JPH11170485A (en) * | 1997-12-16 | 1999-06-29 | Komori Corp | Plate replacing apparatus |
| DE19803727A1 (en) * | 1998-01-30 | 1999-08-05 | Heidelberger Druckmasch Ag | Method and device for automatically feeding and / or removing printing plates to / from the plate cylinder of a printing press |
| US6125757A (en) * | 1998-10-19 | 2000-10-03 | Heidelberger Druckmaschinen Ag | Method and apparatus for performing a flying printing plate change |
| ATE255502T1 (en) | 1999-03-26 | 2003-12-15 | Heidelberger Druckmasch Ag | DEVICE FOR CLAMPING PRINTING PLATES IN REDUCED SIZE CLAMPING CHANNELS |
| DE10010056B4 (en) * | 1999-03-31 | 2012-11-08 | Heidelberger Druckmaschinen Ag | Printing plate changer |
| JP4024970B2 (en) * | 1999-09-14 | 2007-12-19 | 株式会社小森コーポレーション | Plate removal device in a rotary printing press |
| JP4410346B2 (en) | 1999-09-17 | 2010-02-03 | 株式会社小森コーポレーション | Plate holding device |
| JP4625559B2 (en) | 1999-09-17 | 2011-02-02 | 株式会社小森コーポレーション | Printer |
| JP4410344B2 (en) | 1999-09-17 | 2010-02-03 | 株式会社小森コーポレーション | Plate holding device |
| JP4410347B2 (en) | 1999-09-17 | 2010-02-03 | 株式会社小森コーポレーション | Printer |
| DE19947173B4 (en) * | 1999-10-01 | 2005-10-27 | Man Roland Druckmaschinen Ag | Apparatus and method for changing flexible printing forms |
| US6460457B1 (en) | 1999-11-22 | 2002-10-08 | Heidelberger Druckmaschinen Ag | Method and device for automatically providing a printing plate to a plate cylinder |
| US6318262B1 (en) * | 2000-02-25 | 2001-11-20 | Agfa Corporation | External drum imaging system |
| JP4987179B2 (en) * | 2000-05-17 | 2012-07-25 | 株式会社小森コーポレーション | Plate changer |
| JP2001322248A (en) | 2000-05-17 | 2001-11-20 | Komori Corp | Plate replacing device |
| FR2823652B1 (en) | 2001-04-18 | 2003-06-13 | Joseph Legeais | PROFILED BLADE FOR CURTAIN CLOSURE PROVIDED WITH NOISE LIMITING MEANS |
| US6595135B2 (en) * | 2001-05-07 | 2003-07-22 | Heidelberger Druckmaschinen Ag | Printing unit with automatically moveable tail tucker bar |
| DE10238106A1 (en) * | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Fitting a printing plate to the cylinder, of a rotary printing press, inserts the leading hanging leg into the holding slit to hook against the leading edge by radial force through relative movements |
| DE10238105A1 (en) * | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Printing machine with at least one printing unit |
| DE10261982A1 (en) * | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Method and device for removing an elevator from a cylinder of a printing press |
| 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 |
| DE10238107A1 (en) * | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | To remove a plate from the printing cylinder, at a rotary printing press, the trailing end is detached and brought against a limit stop by reverse cylinder rotation to push the leading end free |
| DE10261981A1 (en) | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Device for mounting a printing form on a form cylinder of a printing press |
| EP1900525A2 (en) | 2002-08-21 | 2008-03-19 | Koenig & Bauer Aktiengesellschaft | Method for mounting a printing form onto a plate cylinder in a printing press |
| DE10238125B3 (en) * | 2002-08-21 | 2004-03-18 | Koenig & Bauer Ag | Printing block magazine for a rotary printing machine comprises an ejector transporting a printing block completely inserted in a shaft so far out of a lateral entrance to the shaft |
| 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 |
| DE102004022866A1 (en) * | 2003-07-11 | 2005-01-27 | Koenig & Bauer Ag | Devices and methods for raising and/or lowering a printing form |
| US8051774B2 (en) | 2004-04-29 | 2011-11-08 | Goss Graphic Systems Limited | Printing plate module, printing press, and method of mounting plates |
| GB2413530A (en) * | 2004-04-29 | 2005-11-02 | Goss Graphic Systems Ltd | Printing plate module and printing press |
| JP4904018B2 (en) * | 2004-05-04 | 2012-03-28 | ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト | Method and apparatus for plate transport |
| GB2425987A (en) * | 2005-05-09 | 2006-11-15 | Goss Graphic Systems Ltd | Printing plate unloading apparatus and method |
| GB2428634B (en) * | 2005-08-04 | 2008-09-17 | Goss Graphic Systems Ltd | Printing press |
| DE102006006330B3 (en) * | 2006-02-11 | 2007-04-12 | Koenig & Bauer Ag | Printing mechanism with platen moving device for rotary printing press has fixed guide sector remote from platen cylinder |
| DE102006061316B4 (en) * | 2006-12-22 | 2014-11-20 | Koenig & Bauer Aktiengesellschaft | Device having a plurality of storage planes each arranged at a distance from one another |
| US7819060B2 (en) * | 2007-04-13 | 2010-10-26 | E.I. Du Pont De Nemours And Company | Method for mounting cylindrically-shaped printing forms |
| US20080314274A1 (en) * | 2007-06-19 | 2008-12-25 | Cummings Calvin D | Method and apparatus for unloading printing plates |
| CN109591453B (en) * | 2018-12-31 | 2020-08-11 | 高斯图文印刷***（中国）有限公司 | Automatic lower part plate changing device of book and periodical web printing machine |
| CN109591452A (en) * | 2018-12-31 | 2019-04-09 | 高斯图文印刷***（中国）有限公司 | A kind of semi-automatic replacing options of journalism printing machine forme |
| CN109591454B (en) * | 2018-12-31 | 2020-08-07 | 高斯图文印刷***（中国）有限公司 | Automatic upper plate changing device of book and periodical web printing machine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69018036T3 (en) * | 1989-12-06 | 2001-02-15 | Komori Printing Mach | Apparatus for changing printing plates for printing press. |
| 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 |
| JP2700364B2 (en) * | 1991-06-19 | 1998-01-21 | 株式会社小森コーポレーション | Plate changing device for printing press |
| JP2570485Y2 (en) * | 1991-06-24 | 1998-05-06 | 株式会社小森コーポレーション | Plate changing device for printing press |
| EP0530577B1 (en) * | 1991-08-31 | 1996-06-19 | Heidelberger Druckmaschinen Aktiengesellschaft | Device for positioning a loader used for automatically exchanging printing plates |
| DE4130359C2 (en) * | 1991-09-12 | 1997-04-17 | Heidelberger Druckmasch Ag | Device for removing and / or feeding printing plates from a printing press |
| DE4214049A1 (en) * | 1992-04-29 | 1993-11-04 | Heidelberger Druckmasch Ag | DEVICE FOR FEEDING A PRINT PLATE TO A PLATE CYLINDER OF A PRINTING MACHINE |
| DE4231901C2 (en) * | 1992-09-18 | 1996-02-08 | Koenig & Bauer Albert Ag | Device for feeding and discharging printing plates to and from a plate cylinder |
| JPH07148911A (en) * | 1993-11-26 | 1995-06-13 | Sakurai Graphic Syst:Kk | Auxiliary device for setting press plate for printer |
-
1995
- 1995-03-31 FR FR9503828A patent/FR2732267B1/en not_active Expired - Fee Related
-
1996
- 1996-01-12 DE DE59601528T patent/DE59601528D1/en not_active Expired - Lifetime
- 1996-01-12 EP EP96100378A patent/EP0734859B1/en not_active Expired - Lifetime
- 1996-01-12 AT AT96100378T patent/ATE178269T1/en not_active IP Right Cessation
- 1996-03-22 CA CA002172459A patent/CA2172459A1/en not_active Abandoned
- 1996-03-29 JP JP1996002347U patent/JP3032484U/en not_active Expired - Lifetime
- 1996-04-01 US US08/627,772 patent/US5701822A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0734859A1 (en) | 1996-10-02 |
| FR2732267B1 (en) | 1997-06-20 |
| DE59601528D1 (en) | 1999-05-06 |
| US5701822A (en) | 1997-12-30 |
| FR2732267A1 (en) | 1996-10-04 |
| CA2172459A1 (en) | 1996-10-01 |
| JP3032484U (en) | 1996-12-24 |
| ATE178269T1 (en) | 1999-04-15 |
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