EP0570702B2 - Device for feeding printing plates to the plate cylinder of a printing machine, in particular offset sheet-fed printing machine - Google Patents
Device for feeding printing plates to the plate cylinder of a printing machine, in particular offset sheet-fed printing machine Download PDFInfo
- Publication number
- EP0570702B2 EP0570702B2 EP93106206A EP93106206A EP0570702B2 EP 0570702 B2 EP0570702 B2 EP 0570702B2 EP 93106206 A EP93106206 A EP 93106206A EP 93106206 A EP93106206 A EP 93106206A EP 0570702 B2 EP0570702 B2 EP 0570702B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate cylinder
- printing
- rail
- plate
- guiding
- 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
Links
- 238000007639 printing Methods 0.000 title claims abstract description 78
- 239000002184 metal Substances 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 25
- 230000037431 insertion Effects 0.000 abstract description 25
- 238000001514 detection method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 235000013358 Solanum torvum Nutrition 0.000 description 2
- 240000002072 Solanum torvum Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 1
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1206—Feeding to or removing from the forme cylinder
Definitions
- the invention relates to a device for feeding from printing plates to the plate cylinders of printing machines.
- a printing plate is used on the plate cylinder by means of a cylinder channel arranged and each the beginning of printing and attached to the printing end associated clamping rails, first of all the printing start area of the printing plate in the detection area of a suitably trained Clamping rail inserted (clamped) and then the print end in the corresponding second clamping rail also clamped and then with force is excited.
- Printing plates are designed to introduce the printing start area the pressure plate into the corresponding one Pressure start clamping rail very tedious and time consuming, because the corresponding edge of the pressure plate across the entire width in a sometimes very narrow Slot of the detection area are introduced got to. A brightness of the printing start edge of the printing plate aggravates this fact.
- DE 3 940 795 C2 DE 3 940 796 C2 and EP 0 431 575 A2 are systems for automatic Known printing plate changes, in which the Pull off an old printing plate and feed it a new printing plate from or to the plate cylinder runs automatically. In addition to storage and receiving areas for the printing plates too Transport devices for feeding in and out Printing plates on. However, these systems are in the construction Effort very extensive and designed therefore very expensive.
- the object of the present invention is therefore a device for feeding printing plates on the plate cylinder of printing machines such to expand so that at the least structural Just inserting the leading edge of the printing plate into the corresponding pressure start clamping rail can be simplified.
- the plate cylinder the printing machine one on its outer circumference mounted on and off, on the Format width of the plate cylinder extending Entry rail is assigned.
- the plate cylinder will thereby move into a position in which the inventive Insertion rail to the area of the Bending of the start of printing of the plate cylinder is employable and thus with one over its entire Length-reaching area and with the corresponding Outer circumference of the plate cylinder a funnel-shaped Area that forms exactly in the detection area the open pressure start clamping rail of the plate cylinder flows.
- the new pressure plate to be fed thus only needs to be inserted into this insertion area through the surface the insertion rail on the one hand and the Outer circumference of the plate cylinder on the other hand in the open pressure start clamping rail inserted.
- the Pressure start clamping rail can then be for example in the cylinder pit Motors actuated, i.e. the detection area for clamping getting closed.
- the insertion rail is pivotable about an axis is arranged, the protection against the printing unit cylinders and especially at the level of the plate cylinder of this printing unit.
- the insertion rail is advantageously than the lower, pivotable End of an approximately arched and also over the format width of the plate cylinder Sheet metal profile formed, the pivot axis is located on the protection in front of the printing unit cylinder.
- Swiveling the insertion rail in and out the sheet metal profile can, for example, by two pneumatic cylinders are brought about, which preferentially to one side frame wall of the printing machine and their piston rods, for example, fixed to the frame mounted lever arms for pivoting on the Act on the sheet profile.
- Fig. 1 shows a section of the part of a printing unit a printing machine in series construction. Between the two side frame walls of this printing unit a plate cylinder 1 stored in a cylinder pit 2 a the print start DA and the print end DE assigned clamping rail 3, 4. Above the Plate cylinder 1 are the rollers of an inking unit, of which two inking rollers in FIG. 1 are indicated. Before changing the printing plate as is well known.
- a protection 6 slidable arranged In front of the printing unit with the plate cylinder 1 and the blanket cylinder 5 arranged below it one each on a side frame wall of the printing unit attached guide rail a protection 6 slidable arranged, which is shown in FIG. 1 in a Home position is during printing.
- the protection 6 extends across the width of the Printing unit.
- a swivel joint preferably a pivot axis 7 is attached, on which a sheet profile 8 is suspended.
- the sheet profile 8 has a slight curvature and has the Format width of the plate cylinder 1.
- an insertion rail 9 attached by pivoting the sheet profile 8 on the outer circumference of the plate cylinder 1 respectively. can be swung away from it (arrow).
- the embodiment according to FIG. 1 is the insertion rail 9 by appropriate profiling of the pivotable end of the sheet profile 8 were created.
- a Guide plate 11 attached, which almost to Upper edge of the sheet profile 8, that is, approximately up to the height the pivot axis 7 is pulled down. Opposite the guide plate 11 is also on protection 6 attached a guide plate 12, which two bent Has thighs.
- the guide plates 11 and 12 extend across the width of the protection 6 or over the format width of the plate cylinder 1 and form a gap for performing a printing plate. Here you can also choose one according to the format of the printing plate slidably mounted side stop provided his.
- Fig. 2 shows the sheet profile 8 with the one located thereon Guide rail 9 in format width.
- Guide rail 9 On the concave Inside of the curved sheet profile 8 are in several Strips spaced apart brushes 13 arranged over the bristles with the pressure plate can support their printing side.
- the brushes 13, 14 that are preferably used can be used to support the Pressure plate also provided other facilities his.
- the insertion rail 9 at the pivotable end of the Sheet profile 8 has the profile shown in Fig. 1 and has an insertion surface facing the plate cylinder 1 15 on that is roughly at the level of the bristles of the brushes 13 lies.
- the sheet profile 8 as shown in Fig. 1, on the plate cylinder 1 pivoted, for which purpose this previously in the corresponding Position is rotated.
- the insertion rail 9 has in their extension on both sides (Fig. 2) each Stop 16 on, with which they are on both Schmitz or. Measuring rings of the plate cylinder 1 supports.
- the Stops 16 are used to space the insertion rail 9 compared to the start of printing DA of the plate cylinder 1 designed so that the Insertion surface 15 at the same level as the open one Detection area 17 of the tensioning rail 3 lies.
- the Stops 16 point to the gentle support on the Bearings, for example, on polyamide blocks and can also be adjustable.
- a new pressure plate can be fed to the Top of the protection 6 between the guide plate 11 and the opposite guide plate 12 therethrough and the brushes 13 on the sheet metal profile 8 are inserted directly into the tensioning rail 3.
- the insertion surface 15 the insertion rail 9 on the one hand and the outer circumference of the plate cylinder 1 in the area of the start of printing DA on the other hand, one across the format width of the plate cylinder 1 reaching funnel that causes the front edge of the printing plate directly into the gap-shaped Detection area 17 can be introduced.
- Fig. 1 is a pressure roller 18 on the plate cylinder 1 provided on and off, through which the pressure plate during the mounting process pressed the outer circumference of the plate cylinder becomes.
- the pressure roller 18 extends over the entire Format width and is for example via two bearing levers (one on each side frame wall of the press) and on and over a pneumatic cylinder parkable. As is known from the prior art, can such a pressure roller 18 also the trailing End of the pressure plate in a corresponding to introduce designed clamping rail 4 of the printing end. This is then via remote-controlled devices closed in the plate cylinder.
- the sheet profile 8 in and out with the insertion rail 9 are, for example, on both side frame walls one pneumatic cylinder for each press 19 attached, each with a frame mounted angle lever 20 and one attached to each Driver pin (not shown) the corresponding Swiveling the sheet profile 8 causes.
- the pneumatic cylinders 19 also installed directly in the protection 6 and directly on the sheet profile 8 be articulated.
- the device according to the invention is not suitable only for feeding a new printing plate to the plate cylinder 1 but also for draining one the plate cylinder 1 located printing plate. Since that Sheet profile 8 with the insertion rail 9 in the rest position, i.e. in the non-pivoted state the in Fig. 1 position indicated by dashed lines (for example by a stop), a pressure plate can turn when reversed of the plate cylinder 1, open Tensioning rail 4 and pressure roller 18 itself over the brushes 13 of the sheet metal profile 8 between the guide plates 11 and 12 conveyed out on the protection 6 become.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Rotary Presses (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Zuführen von Druckplatten auf den Plattenzylinder von Druckmaschinen.The invention relates to a device for feeding from printing plates to the plate cylinders of printing machines.
Bei Bogenoffsetdruckmaschinen wird eine Druckplatte auf dem Plattenzylinder mittels in einem Zylinderkanal angeordneter und jeweils dem Druckanfang und dem Druckende zugeordneter Spannschienen befestigt, wobei zunächst der Druckanfangbereich der Druckplatte in den Erfassungsbereich einer entsprechend ausgebildeten Spannschiene eingelegt (geklemmt) und sodann das Druckende in der entsprechend zweiten Spannschiene ebenfalls geklemmt und sodann unter Kraftaufwendung gespannt wird. Gerade bei großformatigen Druckplatten gestaltet sich das Einführen des Druckanfangbereiches der Druckplatte in die entsprechende Druckanfang-Spannschiene sehr mühsam und zeitaufwendig, da die entsprechende Kante der Druckplatte über die gesamte Breite in einen zum Teil sehr-engen Schlitz des Erfassungsbereiches eingeführt werden muß. Eine Helligkeit der Druckanfang-Kante der Druckplatte verschlimmert diesen Umstand noch. Auch während des Aufziehvorgangs der Druckplatte, also beim langsamen Vorwärtslauf des Plattenzylinders sowie beim Abziehen einer alten Druckplatte (Rückwärtslauf des Plattenzylinders) muß die Druckplatte gehalten bzw. unterstützt werden, um nicht mit ihrer druckenden Seite an irgendwelchen Maschinenteilen aufzuliegen und unter Umständen beschädigt zu werden.In sheetfed offset printing machines, a printing plate is used on the plate cylinder by means of a cylinder channel arranged and each the beginning of printing and attached to the printing end associated clamping rails, first of all the printing start area of the printing plate in the detection area of a suitably trained Clamping rail inserted (clamped) and then the print end in the corresponding second clamping rail also clamped and then with force is excited. Especially with large format Printing plates are designed to introduce the printing start area the pressure plate into the corresponding one Pressure start clamping rail very tedious and time consuming, because the corresponding edge of the pressure plate across the entire width in a sometimes very narrow Slot of the detection area are introduced got to. A brightness of the printing start edge of the printing plate aggravates this fact. Even during the mounting process of the pressure plate, i.e. when slow forward running of the plate cylinder as well when removing an old pressure plate (reverse run of the plate cylinder) the pressure plate must be held or not be supported with their printing side to lie on any machine parts and may get damaged.
Aus der DE 3 940 795 C2, der DE 3 940 796 C2 sowie der EP 0 431 575 A2 sind Systeme zum automatischen Druckplattenwechsel bekannt, bei welchen das Abziehen einer alten Druckplatte sowie das Zuführen einer neuen Druckplatte von bzw. zum Plattenzylinder selbsttätig abläuft. Diese Systeme weisen neben Speicher- und Aufnahmebereichen für die Druckplatten auch Transporteinrichtungen zum Zu- bzw. Abfördern der Druckplatten auf. Diese Systeme sind aber im bautechnischen Aufwand sehr umfangreich und gestalten sich deswegen sehr kostenintensiv.From DE 3 940 795 C2, DE 3 940 796 C2 and EP 0 431 575 A2 are systems for automatic Known printing plate changes, in which the Pull off an old printing plate and feed it a new printing plate from or to the plate cylinder runs automatically. In addition to storage and receiving areas for the printing plates too Transport devices for feeding in and out Printing plates on. However, these systems are in the construction Effort very extensive and designed therefore very expensive.
Aus "Der Polygraph" 2/92, Seite 6, sowie der JP-A
63-191636 sind halbautomatische Druckplattenwechselsysteme
bekannt, bei denen der Plattenzylinder Einrichtungen
aufweist, um den Druckanfang und das
Druckende der Druckplatte zu klemmen und sodann zu
spannen. Ferner sind Vorrichtungen vorgesehen, durch
welche die Druckplatte mit einem reduzierten Handhabungsaufwand
auf dem Plattenzylinder aufgezogen werden
kann. Die aus der zuletzt genannten Schrift
bekannte Vorrichtung sieht hier insbesondere eine verschwenkbar
gelagerte und an den Außenumfang des
Plattenzylinders anstellbare Andrückrolle vor, durch welche
insbesondere das Druckende der Druckplatte in eine
entsprechend gestaltete Druckende-Spannschiene eingeführt
wird. Eine Einrichtung zur wesentlichen Vereinfachung
des Vorganges beim Einführen der Vorderkante
der Druckplatte in die entsprechende Spannschiene ist
jedoch nicht erkennbar. Ein halbautomatisches Druckplattenwechselsystem,
bei der eine neue Druckplatte
aus einer am hochschwenkbaren Schutz vor den Druckwerkszylindern
befindlichen Position dem Plattenzylinder
zugeführt wird ist ebenfalls aus der JP-A 59-22755
bekannt.From "Der Polygraph" 2/92,
Aufgabe der vorliegenden Erfindung ist es somit, eine Vorrichtung zum zuführen von Druckplatten auf den Plattenzylinder von Druckmaschinen derartig zu erweitern, so daß bei geringstem bautechnischen Aufwand gerade das Einführen der Druckplattenvorderkante in die entsprechende Druckanfang-Spannschiene vereinfacht werden kann.The object of the present invention is therefore a device for feeding printing plates on the plate cylinder of printing machines such to expand so that at the least structural Just inserting the leading edge of the printing plate into the corresponding pressure start clamping rail can be simplified.
Gelöst wird diese Aufgabe durch eine vorrichtung mit den
Merkmalen von Anspruch 1.
Bevorzugte Ausführungsformen der Erfindung ergeben sich
aus den Unteransprüchen.This task is solved by a device with the
Features of
Nach der Erfindung ist vorgesehen, daß dem Plattenzylinder der Druckmaschine eine an dessen Außenumfang an- und abstellbar gelagerte, über die Formatbreite des Plattenzylinders sich erstreckende Einführschiene zugeordnet ist. Der Plattenzylinder wird dabei in eine Stellung verfahren, bei welcher die erfindungsgemäße Einführschiene an den Bereich der Abkantung des Druckanfanges des Plattenzylinders anstellbar ist und somit mit einer über ihre gesamte Länge reichenden Fläche und mit dem entsprechenden Außenumfang des Plattenzylinders einen trichterförmigen Bereich bildet, der genau in den Erfassungsbereich der geöffneten Druckanfang-Spannschiene des Plattenzylinders mündet. Die neu zuzuführende Druckplatte braucht somit lediglich in diesen Einführbereich eingeschoben werden und wird quasi selbsttätig durch die Fläche der Einführschiene einerseits sowie den Außenumfang des Plattenzylinders andererseits in die geöffnete Druckanfang-Spannschiene eingeführt. Die Druckanfang-Spannschiene kann dann durch entsprechende, beispielsweise in der Zylindergrube befindliche Motore betätigt, d.h. der Erfassungsbereich zum Klemmen geschlossen werden.According to the invention it is provided that the plate cylinder the printing machine one on its outer circumference mounted on and off, on the Format width of the plate cylinder extending Entry rail is assigned. The plate cylinder will thereby move into a position in which the inventive Insertion rail to the area of the Bending of the start of printing of the plate cylinder is employable and thus with one over its entire Length-reaching area and with the corresponding Outer circumference of the plate cylinder a funnel-shaped Area that forms exactly in the detection area the open pressure start clamping rail of the plate cylinder flows. The new pressure plate to be fed thus only needs to be inserted into this insertion area through the surface the insertion rail on the one hand and the Outer circumference of the plate cylinder on the other hand in the open pressure start clamping rail inserted. The Pressure start clamping rail can then be for example in the cylinder pit Motors actuated, i.e. the detection area for clamping getting closed.
Nach der Erfindung kann insbesondere vorgesehen sein, daß die Einführschiene schwenkbar um eine Achse angeordnet ist, die sich am Schutz vor den Druckwerkszylindern und insbesondere in Höhe des Plattenzylinders dieses Druckwerkes befindet. Die Einführschiene ist dabei in vorteilhafter Weise als das untere, schwenkbare Ende eines in etwa bogenförmig profilierten und ebenfalls über die Formatbreite des Plattenzylinders reichenden Blechprofiles gebildet, dessen Schwenkachse sich an dem Schutz vor dem Druckwerkszylinder befindet. An der konkaven Seite des Blechprofils können zur schonenden Führung der Druckplatte Bürsten angeordnet seien, durch welche die Druckplatte sich mit ihrer druckenden Seite an dem Blechprofil abstützt.According to the invention can be provided in particular be that the insertion rail is pivotable about an axis is arranged, the protection against the printing unit cylinders and especially at the level of the plate cylinder of this printing unit. The insertion rail is advantageously than the lower, pivotable End of an approximately arched and also over the format width of the plate cylinder Sheet metal profile formed, the pivot axis is located on the protection in front of the printing unit cylinder. On the concave side of the sheet profile you can gentle guidance of the pressure plate brushes arranged through which the printing plate with its printing side supported on the sheet profile.
Das An- und Abschwenken der Einführschiene bzw. des Blechprofils kann beispielsweise durch zwei Pneumatikzylinder bewirkt werden, die sich vorzugsweise an je einer Seitengestellwand der Druckmaschine befinden und deren Kolbenstangen über beispielsweise gestellfest gelagerte Hebel arme zum Verschwenken auf das Blechprofil einwirken. Swiveling the insertion rail in and out the sheet metal profile can, for example, by two pneumatic cylinders are brought about, which preferentially to one side frame wall of the printing machine and their piston rods, for example, fixed to the frame mounted lever arms for pivoting on the Act on the sheet profile.
Desweiteren erfolgt die Erläuterung eines Ausführungsbeispieles der Erfindung anhand der Zeichnungen.Furthermore, an exemplary embodiment is explained the invention with reference to the drawings.
Es zeigt:
- Fig. 1
- die erfindungsgemäße Vorrichtung im Schnitt an einem Druckwerk,
- Fig. 2
- eine Darstellung der erfindungsgemäßen Einführschiene nebst Blechprofil über die Formatbreite.
- Fig. 1
- the device according to the invention in section on a printing unit,
- Fig. 2
- a representation of the insertion rail according to the invention along with the sheet profile over the format width.
Fig. 1 zeigt als Ausschnitt den Teil eines Druckwerkes
einer Druckmaschine in Reihenbauweise. Zwischen
den zwei Seitengestellwänden dieses Druckwerkes ist
ein Plattenzylinder 1 gelagert, der in einer Zylindergrube
2 eine dem Druckanfang DA und dem Druckende DE
zugeordnete Spannschiene 3, 4 aufweist. Oberhalb des
Plattenzylinders 1 befinden sich die Walzen eines Farbwerkes,
von dem in Fig. 1 zwei Farbauftragswalzen
angedeutet sind. Vor einem Druckplattenwechsel werden
diese bekanntlich abgestellt.Fig. 1 shows a section of the part of a printing unit
a printing machine in series construction. Between
the two side frame walls of this printing unit
a
Vor dem Druckwerk mit dem Plattenzylinder 1 und
dem darunter angeordneten Gummituchzylinder 5 ist
über je eine an einer Seitengestellwand des Druckwerkes
angebrachte Führungsschiene ein Schutz 6 verschiebbar
angeordnet, der sich gemäß Fig. 1 in einer
Grundstellung während des Druckbetriebes befindet.
Zur Zugänglichkeit zu den Druckwerkszylindern, insbesondere
um das Gummituch zu wechseln, kann dieser,
wie durch den Pfeil angedeutet, hochgeschoben werden.
Der Schutz 6 erstreckt sich über die Breite des
Druckwerkes.In front of the printing unit with the
An einem oberen Teil des Schutzes 6 ist als Drehgelenk
vorzugsweise eine Schwenkachse 7 angebracht,
an der ein Blechprofil 8 aufgehängt ist. Das Blechprofil
8 weist dabei eine leichte Krümmung auf und besitzt die
Formatbreite des Plattenzylinders 1. An dem schwenkbaren
Ende des Blechprofiles 8 ist eine Einführschiene
9 angebracht, die durch Verschwenken des Blechprofiles
8 an den Außenumfang des Plattenzylinders 1 anbzw.
von diesem abschwenkbar ist (Pfeil). In der dargestellten
Ausführungsform gemäß Fig. 1 ist die Einführschiene
9 durch eine entsprechende Profilierung des
schwenkbaren Endes des Blechprofiles 8 entstanden.On an upper part of the
An der oberen Traverse 10 des Schutzes 6 ist ein
Führungsblech 11 angebracht, welches fast bis zur
Oberkante des Blechprofiles 8, also in etwa bis zur Höhe
der Schwenkachse 7 heruntergezogen ist. Gegenüberliegend
dem Führungsblech 11 ist ebenfalls am Schutz
6 ein Führungsblech 12 angebracht, welches zwei abgebogene
Schenkel aufweist. Die Führungsbleche 11 und
12 erstrecken sich dabei über die Breite des Schutzes 6
bzw. über die Formatbreite des Plattenzylinders 1 und
bilden einen Spalt zum Durchführen einer Druckplatte.
Hier kann auch ein entsprechend dem Format der Druckplatte
verschiebbar gelagerter Seitenanschlag vorgesehen
sein.On the
Fig. 2 zeigt das Blechprofil 8 mit der daran befindlichen
Einführschiene 9 in Formatbreite. Auf der konkaven
Innenseite des gekrümmten Blechprofiles 8 sind in mehreren
Streifen voneinander beabstandet Bürsten 13
angeordnet, über deren Borsten sich die Druckplatte mit
ihrer druckenden Seite abstützen kann. Am Führungsblech
11 der Traverse 10 sind ebenfalls zur schonenden
Abstützung der Druckplatte Bürsten 14 angebracht.
Anstelle der vorzugsweise verwendeten Bürsten 13, 14
können zur kratz- und verschleißfreien Abstützung der
Druckplatte auch andere Einrichtungen vorgesehen
sein.Fig. 2 shows the
Die Einführschiene 9 am schwenkbaren Ende des
Blechprofiles 8 weist das in Fig. 1 dargestellte Profil auf
und besitzt eine zum Plattenzylinder 1 weisende Einführfläche
15 auf, die etwa in der Höhe der Borsten der Bürsten
13 liegt.The
Zum Einführen einer neuen Druckplatte wird somit
das Blechprofil 8, wie in Fig. 1 gezeigt, an den Plattenzylinder
1 angeschwenkt, wozu dieser vorher in die entsprechende
Position verdreht wird. Die Einführschiene 9
weist in ihrer beidseitigen Verlängerung (Fig. 2) je einen
Anschlag 16 auf, mit denen sie sich an beiden Schmitz-bzw.
Meßringen des Plattenzylinders 1 abstützt. Die
Anschläge 16 sind dabei zur Beabstandung der Einführschiene
9 gegenüber dem Druckanfang DA des Plattenzylinders
1 derartig ausgebildet, so daß die
Einführfläche 15 auf einer Höhe mit dem geöffneten
Erfassungsbereich 17 der Spannschiene 3 liegt. Die
Anschläge 16 weisen zur schonenden Auflage an den
Schmitzringen beispielsweise Polyamid-Klötzchen auf
und können ebenfalls einstellbar sein.Thus, to insert a new pressure plate
the
Eine neu zuzuführende Druckplatte kann an der
Oberseite des Schutzes 6 zwischen dem Führungsblech
11 und dem gegenüberliegenden Führungsblech 12 hindurch
und sich über die Bürsten 13 am Blechprofil 8
abstützend direkt in die Spannschiene 3 eingeführt werden.
Wie in Fig. 1 erkennbar stellen die Einführfläche 15
der Einführschiene 9 einerseits und der Außenumfang
des Plattenzylinders 1 im Bereich des Druckanfanges
DA andererseits einen über die Formatbreite des Plattenzylinders
1 reichenden Trichter dar, der bewirkt, daß
die Vorderkante der Druckplatte direkt in den spaltförmigen
Erfassungsbereich 17 eingeführt werden kann.A new pressure plate can be fed to the
Top of the
Nachdem die Druckplatte in die vordere Spannschiene
3 eingeführt wurde und diese durch Schließen
des Erfassungsbereiches 17 den Druckanfang der
Druckplatte geklemmt hat, kann das Blechprofil 8 mit der
Einführschiene 9 wieder abgeschwenkt werden. Der
Plattenzylinder 1 wird nun über entsprechende Ansteuerung
des Hauptantriebs der Druckmaschine in eine langsame
Vorwärtsdrehung versetzt, wobei sich die
Druckplatte um den Außenumfang des Plattenzylinders
1 aufzieht. In Fig. 1 ist eine Andrückrolle 18 an den Plattenzylinder
1 an- und abstellbar gelagert vorgesehen,
durch welche die Druckplatte beim Aufziehvorgang an
den Außenumfang des Plattenzylinders angedrückt
wird. Die Andrückrolle 18 erstreckt sich über die gesamte
Formatbreite und ist beispielsweise über zwei Lagerhebel
(je einer an einer Seitengestellwand der Druckmaschine)
und über je einen Pneumatikzylinder an- und
abstellbar. Wie aus dem Stand der Technik bekannt, vermag
eine derartige Andrückrolle 18 auch das nachlaufende
Ende der Druckplatte in eine entsprechend
gestaltete Spannschiene 4 des Druckendes einzuführen.
Diese wird sodann über fernbetätigbare Einrichtungen
im Plattenzylinder geschlossen.After the pressure plate in the front clamping rail
3 was introduced and this by closing
of the
Zum An- und Abschwenken des Blechprofils 8 mit
der Einführschiene 9 sind beispielsweise an beiden Seitengestellwänden
der Druckmaschine je ein Pneumatikzylinder
19 angebracht, der über je einen gestellfest
gelagerten Winkelhebel 20 und je einen daran angebrachten
Mitnehmerzapfen (nicht dargestellt) das entsprechende
Verschwenken des Blechprofiles 8 bewirkt.
Selbstverständlich können die Pneumatikzylinder 19
auch direkt im Schutz 6 angebracht und direkt am Blechprofil
8 angelenkt sein.For swiveling the
Die erfindungsgemäße Vorrichtung eignet sich nicht
nur zum Zuführen einer neuen Druckplatte zum Plattenzylinder
1 sondern ebenfalls zum Abführen einer auf
dem Plattenzylinder 1 befindlichen Druckplatte. Da das
Blechprofil 8 mit der Einführschiene 9 in der Ruhestellung,
d.h. im nicht angeschwenkten Zustand die in Fig.
1 gestrichelt angedeutete Lage einnimmt (beispielsweise
durch Anschlag), kann eine Druckplatte bei Rückwärtsdrehung
des Plattenzylinders 1, geöffneter
Spannschiene 4 sowie angestellter Andrückrolle 18 sich
über die Bürsten 13 des Blechprofils 8 abstützend zwischen
den Führungsblechen 11 und 12 am Schutz 6 herausgefördert
werden.The device according to the invention is not suitable
only for feeding a new printing plate to the
- 11
- PlattenzylinderPlate cylinder
- 22nd
- ZylindergrubeCylinder pit
- 33rd
- Spannschiene (Druckanfang)Tensioning rail (start of printing)
- 44th
- Spannschiene (Druckende)Tensioning rail (printing end)
- 55
- GummituchzylinderBlanket cylinder
- 66
- Schutzprotection
- 77
- SchwenkachseSwivel axis
- 88th
- BlechprofilSheet profile
- 99
- EinführschieneInsertion rail
- 1010th
- Traversetraverse
- 1111
- FührungsblechGuide plate
- 1212th
- FührungsblechGuide plate
- 1313
- Bürstento brush
- 1414
- Bürstento brush
- 1515
- EinführflächeInsertion surface
- 1616
- Anschlagattack
- 1717th
- ErfassungsbereichDetection area
- 1818th
- AndrückrollePressure roller
- 1919th
- PneumatikzylinderPneumatic cylinder
- 2020th
- WinkelhebelAngle lever
- DATHERE
- DruckanfangStart of printing
- DEDE
- DruckendeEnd of printing
Claims (6)
- Device for feeding printing plates to the plate cylinder of printing presses, particularly offset sheet printing presses, in which the plate cylinder (1) has in a cylinder channel (2) a tensioning rail (3) arranged for the print start (DA), which for receiving the front edge of the printing plate has a grasping region (17) which can be opened in the form of a slot extending across the format width, which in substantially tangential direction debouches at the exterior periphery of the plate cylinder (1) and a running-in surface (15) for a new printing plate which is laid against the plate cylinder (1) and can be set against this is provided, wherein the guiding-in surface (15) is constructed as a guiding-in rail (9) extending across the format width of the plate cylinder (1), which can be set against the exterior periphery of the plate cylinder (1) in the region of the print start (DA) so that via the guiding-in surface (15) of the guiding rail (9) directed towards the plate cylinder (1) the front edge of a printing plate can be introduced into the opened grasping region (17) of the tensioning rail (3), wherein the guiding-in rail (9) is attached at the swivellable end of a profiled metal sheet (8) extending over the format width of the plate cylinder (11), which is suspended with one side about a swivel axis running parallel to the axis of the plate cylinder (1), and wherein the shaped metal sheet (8) has a curvature in the direction transverse to the format width and is suspended on the swivel axis (7) with the concave side of this curvature is directed to the plate cylinder (1).
- Device according to Claim 1, characterised in that the swivel axis (7) is attached to a protective cover (6) arranged in front of the printing unit cylinders, which is displaceable particularly via means of a linear guide installed in each case on one side frame wall of the printing unit.
- Device according to Claim 1 or 2, characterised in that the guiding-in surface (15) of the guiding-in rail (9) is constructed as a shaped region of the swivellable end of the shaped metal sheet (8).
- Device according to one of the preceding Claims, characterised in that on the side of the shaped metal sheet (8) directed towards the plate cylinder (1) brushes (13) are attached via which the printing plate to be fed in can be supported on its printing side.
- Device according to one of the preceding Claims, characterised in that on both ends of the guiding-in rail (9) stops (16) are attached via which the guiding-in rail (9) is supportable on the bearer rings of the plate cylinder (1).
- Device according to one of the preceding Claims, characterised in that the guiding-in rail (9) can be set against the plate cylinder (1) in each case via a pneumatic cylinder (19) attached to a side wall of the printing press.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4215969 | 1992-05-18 | ||
| DE4215969A DE4215969C2 (en) | 1992-05-18 | 1992-05-18 | Device for feeding printing plates onto the plate cylinders of printing machines, in particular sheet-fed offset printing machines |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0570702A1 EP0570702A1 (en) | 1993-11-24 |
| EP0570702B1 EP0570702B1 (en) | 1996-03-13 |
| EP0570702B2 true EP0570702B2 (en) | 2001-12-19 |
Family
ID=6458887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93106206A Expired - Lifetime EP0570702B2 (en) | 1992-05-18 | 1993-04-16 | Device for feeding printing plates to the plate cylinder of a printing machine, in particular offset sheet-fed printing machine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5331892A (en) |
| EP (1) | EP0570702B2 (en) |
| JP (1) | JP2941598B2 (en) |
| AT (1) | ATE135298T1 (en) |
| DE (2) | DE4215969C2 (en) |
| ES (1) | ES2086150T5 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010008658A1 (en) | 2009-03-13 | 2010-09-16 | Heidelberger Druckmaschinen Ag | Method and device for feeding printing plates |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4309658C1 (en) * | 1993-03-25 | 1994-10-27 | Roland Man Druckmasch | Device for automatically changing printing plates in sheet-fed offset printing machines with several printing units |
| DE4322027A1 (en) * | 1993-07-02 | 1995-01-19 | Zirkon Druckmaschinen Gmbh | Device for automatically changing a printing plate |
| DE4338664C2 (en) * | 1993-11-12 | 1995-09-14 | Roland Man Druckmasch | Method and device for controlling an automated printing plate changing process in printing machines |
| DE4339344C1 (en) * | 1993-11-18 | 1995-03-30 | Roland Man Druckmasch | Device for the automated exchange of printing plates in a printing machine |
| WO1995019263A1 (en) * | 1994-01-17 | 1995-07-20 | Koenig & Bauer-Albert Aktiengesellschaft | Device for mounting, dismounting and transporting curved objects that are easy to bend and have hanging up edges |
| EP0740607B1 (en) * | 1994-01-17 | 1998-04-01 | KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT | Device for assembling, dismantling and transporting easily bent, arc-shaped objects with folded suspension edges |
| DE4404558C2 (en) * | 1994-02-12 | 1996-02-01 | Roland Man Druckmasch | Device for automatically changing printing plates |
| FR2718675B1 (en) * | 1994-04-18 | 1996-07-12 | Heidelberg Harris Sa | Device for exchanging pictures of rotary printing machines. |
| DE9415751U1 (en) * | 1994-09-29 | 1994-11-17 | Man Roland Druckmaschinen Ag, 63069 Offenbach | Device for feeding a printing plate to the plate cylinder of a printing machine |
| DE4442574C2 (en) * | 1994-11-30 | 1996-11-28 | Koenig & Bauer Albert Ag | Method and device for providing a printing plate |
| DE19505630A1 (en) * | 1995-02-18 | 1996-08-22 | Roland Man Druckmasch | Device for changing printing plates |
| DE19508846C2 (en) * | 1995-03-11 | 2002-10-31 | Koenig & Bauer Ag | Device for inserting a leading edge of a printing plate |
| DE19511075A1 (en) * | 1995-03-25 | 1996-09-26 | Roland Man Druckmasch | Method and device for mounting flexible printing forms |
| FR2732268B1 (en) * | 1995-03-31 | 1997-06-20 | Heidelberg Harris Sa | DEVICE FOR EXCHANGING PRINTING PLATES |
| US6113346A (en) | 1996-07-31 | 2000-09-05 | Agfa Corporation | Method for loading and unloading a supply of plates in an automated plate handler |
| DE59802993D1 (en) * | 1997-03-04 | 2002-03-21 | Roland Man Druckmasch | Offset printing machine for fast production changes |
| 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 |
| DE19818666B4 (en) * | 1998-04-27 | 2010-09-02 | Goss International Montataire S.A. | Pressing device in printing units of rotary printing machines |
| DE10008489B4 (en) * | 1999-03-19 | 2006-08-24 | Heidelberger Druckmaschinen Ag | Method and device for feeding a printing plate |
| JP3817090B2 (en) * | 1999-06-30 | 2006-08-30 | 富士写真フイルム株式会社 | Printing plate mounting equipment |
| DE29912599U1 (en) * | 1999-07-20 | 1999-09-09 | Roland Man Druckmasch | Sheet printing machine |
| DE19933943A1 (en) | 1999-07-20 | 2001-01-25 | Roland Man Druckmasch | Method and device for printing form change |
| JP4410347B2 (en) * | 1999-09-17 | 2010-02-03 | 株式会社小森コーポレーション | Printer |
| CZ297967B6 (en) * | 2000-08-25 | 2007-05-09 | Heidelberger Druckmaschienen Ag | Device for setting at least one register element in a printing machine and method of making the same |
| DE10052773B4 (en) * | 2000-10-25 | 2005-02-17 | Koenig & Bauer Ag | Apparatus for feeding a printing plate onto a plate cylinder of a printing machine |
| DE10158158A1 (en) * | 2001-11-28 | 2003-06-18 | Koenig & Bauer Ag | Device for winding an elevator |
| DE50202871D1 (en) * | 2001-11-28 | 2005-05-25 | Koenig & Bauer Ag | DEVICES AND METHOD FOR ORIENTING OR MOUNTING AN ELEVATOR MADE TO A CYLINDER OF A PRINTING MACHINE |
| US6900826B2 (en) * | 2002-02-19 | 2005-05-31 | Presstek, Inc. | Multiple resolution helical imaging system and method |
| US6722280B2 (en) * | 2002-08-09 | 2004-04-20 | Agfa Corporation | Method and system for simultaneous loading and unloading of substrates in platestter |
| US6941863B2 (en) | 2003-11-21 | 2005-09-13 | Shinohara Machinery Co., Ltd. | Plate transfer apparatus |
| DE10354967B3 (en) * | 2003-11-25 | 2005-05-19 | Shinohara Machinery Co., Ltd. | Printing plate transfer device for printing press has transfer band rotated in opposite directions for removal of used printing plate and supply of new printing plate respectively |
| US20080314274A1 (en) * | 2007-06-19 | 2008-12-25 | Cummings Calvin D | Method and apparatus for unloading printing plates |
| DE102008043725A1 (en) | 2008-11-13 | 2010-06-02 | Manroland Ag | Device for exchanging and for receiving printing plates at rotary printing presses, comprises manipulator arm with holding element for holding printing plate |
| DE202008015082U1 (en) | 2008-11-13 | 2009-01-15 | Manroland Ag | Device for changing and receiving printing forms on rotary printing machines |
| DE102021109488A1 (en) | 2021-04-15 | 2022-10-20 | Koenig & Bauer Ag | Device for supplying printing plates and method for carrying out a plate change |
| DE102021122827A1 (en) | 2021-09-03 | 2023-03-09 | Koenig & Bauer Ag | Apparatus and method for feeding printing plates to a plate cylinder |
| DE102022109489A1 (en) | 2022-04-20 | 2023-10-26 | Koenig & Bauer Ag | Sheetfed offset rotary printing machine in aggregate design |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609031Y2 (en) * | 1978-06-26 | 1985-04-01 | 株式会社サト−研究所 | Printing device for hand labeler |
| JPS5922755A (en) * | 1982-07-30 | 1984-02-06 | Komori Printing Mach Co Ltd | Apparatus for holding press plate of sheet-fed rotary press |
| JPS62221541A (en) * | 1986-03-25 | 1987-09-29 | Mitsubishi Heavy Ind Ltd | Automatic press plate installation device |
| JP2726661B2 (en) * | 1986-09-18 | 1998-03-11 | 三菱重工業株式会社 | Plate insertion device for sheet-fed printing press |
| DE69022822T2 (en) * | 1989-12-06 | 1996-05-23 | Komori Printing Mach | Plate loading device for printing presses. |
| JP2884245B2 (en) * | 1989-12-06 | 1999-04-19 | 株式会社 小森コーポレーション | Plate holding device for printing press |
| DE3940796A1 (en) * | 1989-12-09 | 1991-06-13 | Koenig & Bauer Ag | METHOD AND DEVICE FOR AUTOMATICALLY CHANGING A PRINT PLATE |
| DE3940795A1 (en) * | 1989-12-09 | 1991-06-13 | Koenig & Bauer Ag | METHOD AND DEVICE FOR AUTOMATIC FEEDING OR REMOVING 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 |
| 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 |
-
1992
- 1992-05-18 DE DE4215969A patent/DE4215969C2/en not_active Expired - Fee Related
-
1993
- 1993-04-16 AT AT93106206T patent/ATE135298T1/en not_active IP Right Cessation
- 1993-04-16 DE DE59301844T patent/DE59301844D1/en not_active Expired - Fee Related
- 1993-04-16 EP EP93106206A patent/EP0570702B2/en not_active Expired - Lifetime
- 1993-04-16 ES ES93106206T patent/ES2086150T5/en not_active Expired - Lifetime
- 1993-05-17 JP JP5114529A patent/JP2941598B2/en not_active Expired - Fee Related
- 1993-05-18 US US08/064,752 patent/US5331892A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010008658A1 (en) | 2009-03-13 | 2010-09-16 | Heidelberger Druckmaschinen Ag | Method and device for feeding printing plates |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0570702B1 (en) | 1996-03-13 |
| ES2086150T3 (en) | 1996-06-16 |
| ES2086150T5 (en) | 2002-05-01 |
| ATE135298T1 (en) | 1996-03-15 |
| JPH0631901A (en) | 1994-02-08 |
| DE4215969C2 (en) | 1994-10-13 |
| DE59301844D1 (en) | 1996-04-18 |
| JP2941598B2 (en) | 1999-08-25 |
| US5331892A (en) | 1994-07-26 |
| DE4215969A1 (en) | 1993-12-02 |
| EP0570702A1 (en) | 1993-11-24 |
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