EP2640574B1 - Rotary printing press - Google Patents

Rotary printing press Download PDF

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Publication number
EP2640574B1
EP2640574B1 EP11779718.3A EP11779718A EP2640574B1 EP 2640574 B1 EP2640574 B1 EP 2640574B1 EP 11779718 A EP11779718 A EP 11779718A EP 2640574 B1 EP2640574 B1 EP 2640574B1
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EP
European Patent Office
Prior art keywords
forme cylinder
rotary printing
printing press
sealing body
axle
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.)
Not-in-force
Application number
EP11779718.3A
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German (de)
French (fr)
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EP2640574A1 (en
Inventor
Thomas Matzner
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.)
Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Publication of EP2640574A1 publication Critical patent/EP2640574A1/en
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Publication of EP2640574B1 publication Critical patent/EP2640574B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B41F9/068—End seals between cylinder and housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
    • B41F31/07—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders for rotogravure

Definitions

  • the invention relates to a rotary printing press according to the preamble of claim 1.
  • the forme cylinders are suspended either on sleeves which engage in openings in the end faces of the cylinders or on axes fixedly connected to the cylinders.
  • stub axles and sleeves are referred to as axle. This is true even if the "axis" transmits torque to the rotation of the forme cylinder and therefore could actually be referred to as a shaft.
  • the diameter of the axes is not much less than the diameter of the cylinder.
  • rotary printing presses which also with very can print different print lengths.
  • the range of cylinders of different diameters is limited by the following:
  • the level of the ink tray can not be higher than the lowest point of the edge of the ink tray.
  • the cylinder with the smallest possible diameter must reach sufficiently deep into the maximum filled ink tray to be colored.
  • the axis of the forme cylinder of the largest possible diameter must pass past the edge of the paint pan.
  • the object of the invention is to increase in rotary printing machines of the type described above, the difference of the minimum and maximum diameter of usable pressure cylinder with little design effort and to reduce the ink run-out.
  • the object is achieved by the inclusion of the features of the characterizing part of claim 1 to the features of these printing machines.
  • the ink tray of at least one inking unit is provided with a recess.
  • the recess is located on a side on which an end face of the roller is located.
  • the paint tray For form cylinders with two axes of the same diameter, the paint tray, the are in opposition to the faces of the format cylinder, such recesses are provided.
  • the recess should be large enough to accommodate part of the axis of the cylinder. It is advantageous, but not absolutely necessary, if the recess is of semicircular shape and thus adapted to the usual shape of the axle. It should be designed such that a minimum distance - z. B. a few millimeters - between the edge of the tub and the axis of the largest diameter remains.
  • the at least one inking unit contains at least one scraper, which is adjustable against the axis of the forme cylinder and suitable for stripping it.
  • this sealing device comprises at least one sealing body which can close at least a part of the recess.
  • This at least one body may be movably mounted to the tub or movably secured to the tub such that it can be moved to the sealing position.
  • Such a sealing body may be a plate which can be brought by a pivoting or linear movement in the sealing position when a forme cylinder is to be used in the inking unit, which has at least one axis having a diameter which is below the maximum diameter.
  • the lowest point of the upper edge of the ink tray is laid up with the sealing body, so that the color level in the ink tray can be higher. It is advantageous to provide sealing material in the area of contact between the ink tank and the sealing body, which may be fastened to one or both of the abovementioned objects. Further embodiments of the invention will become apparent from the description and the claims.
  • Fig. 1 shows a form cylinder 1, which has stub axles 2 at its end faces. Cylinders of this type are also called axle cylinders. In contrast, the form cylinder 1 in FIG. 2 a hollow cylinder with end-side recesses 4, can engage in the sleeves 3 (the input and Ausgreifterrorism the sleeves 3 is symbolized by the arrow 15). This circumstance is in FIG. 2 shown in explosion sketches.
  • rotary printing machines come form cylinder 1, which are constructed as axle or as a hollow cylinder.
  • Quill 3 and stub axle 2 are referred to as axles 2, 3.
  • the diameters of the axes d P and d A are often only slightly smaller than the diameter of the form cylinder D AZ and D HZ .
  • FIG. 3 shows the front side of a forme cylinder 1 with Achsstummeln 2, which is colored in a paint tray 5 with color 7.
  • T max denotes a maximum immersion depth of the forme cylinder 1 in the color 7.
  • FIG. 4 the same situation is shown as in FIG. 3 , wherein the forme cylinder 1 has a minimum diameter D FZ . If this diameter D FZ were even smaller, the minimum immersion depth T min of the forme cylinder 1 in color 7 would be undershot.
  • D FZ and d P and d A play an important role for the maximum possible depth. If D FZ is large and d P is small, the maximum immersion depth is possible. If D FZ is small and d P is small, the maximum immersion depth is not possible.
  • FIGS. 5 and 6 the consequences are shown, which has a recess 8 in a surface of the ink tray 5.
  • the recess is in opposition to an end face of the forme cylinder 1. It is in a plane which is parallel to such an end face, semicircular. Through the recess 8, however, 9 color can escape, as in FIG. 6 is shown.
  • FIG. 7 shows the same situation as FIG. 5 , wherein the recess from the view of the viewer of the Abdichtgroper 10 is upstream, which is shown transparent for illustrative reasons.
  • the sealing body 10 has a plate-like shape and in turn is advantageously provided with a recess 13 which is suitable for receiving the axis 2, 3 of the forme cylinder 1 and the only in FIG. 8 is shown hinted.
  • the sealing body 10 is movably mounted on the tub 5 or other parts of the rotary printing press and can therefore be completely or partially removed from the area of the recess 8 of the ink pan, when a forme cylinder with a maximum axle diameter d P , d A is used. It is advantageous to set the sealing body "from below" in the vertical direction y to the axis 2, 3, wherein in this "hiring" no contact must be made (more on this below).
  • the sealing body 10 may for example be mounted with rails on fixed machine parts.
  • FIGS. 9 and 10 is a Abdichtgroper shown, which acts both as a scraper and as a sealing body and can be made for this purpose directly against the stub axle 2 or the sleeve 3.
  • a further advantageous alternative is to position a scraper 11 between the forme cylinder 1 and the sealing body 10. In this way, stripped paint drops back into the ink tray 5.
  • An Abdichtgroper 10 will therefore lie relatively close to the wall of the ink tray 5, which is to be sealed. As already mentioned several times, it can be in operative connection with a flexible sealing material (between the sealing body 10 and the edge of the tub).
  • a sealing device in addition to the sealing body 10, may have other device components which are advantageous for the sealing process and serve, for example, for the movement and mounting of the at least one sealing body.
  • a scraper 11 is usually employed in contact with the axis 2, 3 of the forme cylinder. Often the contact surface is provided with a rubber lip or similar substance. This can also be done in the case of FIG. 10 sealing body 10 shown to be the case, which also serves as a stripper body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating Apparatus (AREA)

Description

Die Erfindung betrifft eine Rotationsdruckmaschine nach dem Oberbegriff des Anspruchs 1.The invention relates to a rotary printing press according to the preamble of claim 1.

Rotationsdruckmaschinen mit zumindest einem Farbwerk

  • welches einen Formzylinder und eine Farbwanne enthält,
  • wobei der Formzylinder und die Farbwanne so zueinander positionierbar sind, dass der Formzylinder durch in der Farbwanne enthaltene Farbe einfärbbar ist,
finden vor allem im Bereich des Tiefdrucks Verwendung. Hier wird der die Druckform tragende Zylinder Formzylinder oder auch Gravurzylinder genannt. Die Druckform besteht aus Vertiefungen in der harten, oft stählernen Umfangsfläche dieses Zylinders, in denen sich die Druckfarbe sammelt. Um diesen Zustand herbeizuführen, werden die Formzylinder oft direkt in einer Farbwanne eingefärbt, wie dies bereits oben skizziert ist.Rotary printing machines with at least one inking unit
  • which contains a forme cylinder and a paint tray,
  • wherein the forme cylinder and the ink tray are positionable relative to one another such that the forme cylinder can be colored by ink contained in the ink fountain,
find especially in the field of gravure use. Here, the cylinder carrying the printing form is called a form cylinder or a gravure cylinder. The printing form consists of recesses in the hard, often steel peripheral surface of this cylinder, in which collects the ink. In order to bring about this state, the forme cylinders are often inked directly in a paint tray, as already outlined above.

Die Formzylinder sind entweder an Pinolen, die in Öffnungen in den Stirnseiten der Zylinder greifen, oder an fest mit den Zylindern verbundenen Achsen aufgehängt. Für die Zwecke dieser Druckschrift werden Achsstummel und Pinolen als Achse bezeichnet. Dies gilt auch dann, wenn die "Achse" Drehmoment zur Rotation des Formzylinders überträgt und daher eigentlich auch als Welle bezeichnet werden könnte.The forme cylinders are suspended either on sleeves which engage in openings in the end faces of the cylinders or on axes fixedly connected to the cylinders. For the purposes of this document, stub axles and sleeves are referred to as axle. This is true even if the "axis" transmits torque to the rotation of the forme cylinder and therefore could actually be referred to as a shaft.

Bei vielen Formzylindern ist der Durchmesser der Achsen nicht viel geringer als der Durchmesser des Zylinders. Insbesondere im Verpackungsdruck besteht zunehmend Bedarf an Rotationsdruckmaschinen, die auch mit sehr unterschiedlichen Drucklängen drucken können. Um mit unterschiedlichen Drucklängen drucken zu können, muss man die Farbwerke dieser Rotationsdruckmaschinen mit das Druckbild tragenden Zylindern unterschiedlichen Durchmessers rüsten können. Bei Rotationsdruckmaschinen der vorstehend beschriebenen Art wird die Bandbreite an Formzylindern mit unterschiedlichen Durchmessern jedoch durch folgenden Umstand begrenzt:For many cylinders, the diameter of the axes is not much less than the diameter of the cylinder. Especially in packaging printing, there is an increasing demand for rotary printing presses, which also with very can print different print lengths. In order to be able to print with different printing lengths, it is necessary to be able to equip the inking units of these rotary printing presses with cylinders of different diameters carrying the printed image. However, in rotary printing presses of the type described above, the range of cylinders of different diameters is limited by the following:

Der Füllstand der Farbwanne kann nicht höher sein als der niedrigste Punkt des Randes der Farbwanne. Der Zylinder mit dem kleinsten möglichen Durchmesser muss hinreichend tief in die maximal gefüllte Farbwanne hineingreifen, um eingefärbt zu werden.The level of the ink tray can not be higher than the lowest point of the edge of the ink tray. The cylinder with the smallest possible diameter must reach sufficiently deep into the maximum filled ink tray to be colored.

Die Achse des Formzylinders mit dem größten möglichen Durchmesser muss an dem Rand der Farbwanne vorbeipassen.The axis of the forme cylinder of the largest possible diameter must pass past the edge of the paint pan.

Die Druckschrift US 2010/258015 A1 offenbart Druckwerk, bei dem Abdichtvorrichtungen vorgesehen sind, mit welcher Ausnehmungen in der Farbwanne zumindest teilweise verschließbar sind. Dennoch kann Druckfarbe austreten und außerhalb der Farbwanne zu nicht hinnehmbaren Verschmutzungen führen.The publication US 2010/258015 A1 discloses printing unit, are provided in the sealing devices, with which recesses in the ink tray are at least partially closed. Nevertheless, ink may leak and lead to unacceptable contamination outside of the ink tray.

Die Aufgabe der Erfindung besteht darin, bei Rotationsdruckmaschinen der vorstehend beschriebenen Art die Differenz des minimalen und maximalen Durchmessers der verwendbaren Druckzylinder bei kleinem konstruktivem Aufwand zu erhöhen und den Farbauslauf zu verringern.The object of the invention is to increase in rotary printing machines of the type described above, the difference of the minimum and maximum diameter of usable pressure cylinder with little design effort and to reduce the ink run-out.

Die Aufgabe wird durch die Beifügung der Merkmale des Kennzeichens des Anspruchs 1 zu den Merkmalen dieser Druckmaschinen gelöst.The object is achieved by the inclusion of the features of the characterizing part of claim 1 to the features of these printing machines.

Die Farbwanne zumindest eines Farbwerkes wird mit einer Ausnehmung versehen. Die Ausnehmung befindet sich auf einer Seite, auf der sich eine Stirnfläche der Walze befindet. Bei Formzylindern, die über zwei Achsen gleichen Durchmessers verfügen, sollten an beiden Seiten der Farbwanne, die in Opposition zu den Stirnseiten des Formatzylinders stehen, solche Ausnehmungen vorgesehen werden.The ink tray of at least one inking unit is provided with a recess. The recess is located on a side on which an end face of the roller is located. For form cylinders with two axes of the same diameter, the paint tray, the are in opposition to the faces of the format cylinder, such recesses are provided.

Die Ausnehmung sollte groß genug sein, um einen Teil der Achse des Zylinders aufzunehmen. Es ist vorteilhaft, aber nicht unbedingt notwendig, wenn die Ausnehmung halbkreisförmig geformt und damit an die übliche Form der Achse angepasst ist. Sie sollte derart gestaltet sein, dass ein Mindestabstand - z. B. wenige Millimeter - zwischen dem Rand der Wanne und der Achse größten Durchmessers verbleibt.The recess should be large enough to accommodate part of the axis of the cylinder. It is advantageous, but not absolutely necessary, if the recess is of semicircular shape and thus adapted to the usual shape of the axle. It should be designed such that a minimum distance - z. B. a few millimeters - between the edge of the tub and the axis of the largest diameter remains.

Erfindungsgemäß ist vorgesehen, dass das zumindest eine Farbwerk zumindest einen Abstreifer enthält, der gegen die Achse des Formzylinders anstellbar und zum Abstreifen derselben geeignet ist.According to the invention, it is provided that the at least one inking unit contains at least one scraper, which is adjustable against the axis of the forme cylinder and suitable for stripping it.

Ein weiteres Merkmal der vorliegenden Erfindung ist eine Abdichtvorrichtung, mit welcher die Ausnehmung zumindest teilweise verschließbar beziehungsweise abdichtbar ist. Vorteilhafterweise umfasst diese Abdichtvorrichtung zumindest einen Abdichtkörper, der zumindest einen Teil der Ausnehmung verschließen kann. Dieser zumindest eine Körper kann derart an der Wanne beweglich angebracht oder zu der Wanne beweglich befestigt sein, dass er in die abdichtende Position bewegt werden kann. Ein solcher Abdichtkörper kann eine Platte sein, die durch eine schwenkende oder lineare Bewegung in die dichtende Position gebracht werden kann, wenn ein Formzylinder im Farbwerk eingesetzt werden soll, der zumindest eine Achse hat, die einen Durchmesser aufweist, der unterhalb des Maximaldurchmessers liegt.Another feature of the present invention is a sealing device, with which the recess is at least partially closed or sealable. Advantageously, this sealing device comprises at least one sealing body which can close at least a part of the recess. This at least one body may be movably mounted to the tub or movably secured to the tub such that it can be moved to the sealing position. Such a sealing body may be a plate which can be brought by a pivoting or linear movement in the sealing position when a forme cylinder is to be used in the inking unit, which has at least one axis having a diameter which is below the maximum diameter.

In diesem Fall wird mit dem Abdichtkörper quasi der unterste Punkt des oberen Randes der Farbwanne nach oben verlegt, so dass der Farbspiegel in der Farbwanne höher liegen kann. Es ist vorteilhaft, in dem Berührungsbereich zwischen Farbwanne und Abdichtkörper Abdichtmaterial vorzusehen, das an einem oder beiden der vorgenannten Gegenstände befestigt sein kann. Weitere Ausführungsbeispiele der Erfindung gehen aus der gegenständlichen Beschreibung und den Ansprüchen hervor.In this case, the lowest point of the upper edge of the ink tray is laid up with the sealing body, so that the color level in the ink tray can be higher. It is advantageous to provide sealing material in the area of contact between the ink tank and the sealing body, which may be fastened to one or both of the abovementioned objects. Further embodiments of the invention will become apparent from the description and the claims.

Die einzelnen Figuren zeigen:

Fig. 1
Eine Skizze eines Achszylinders
Fig. 2
Eine Skizze eines Hohlzylinders
Fig. 3
Eine erste Skizze der Stirnseite eines Formzylinders
Fig. 4
Eine zweite Skizze der Stirnseite eines Formzylinders
Fig. 5
Eine dritte Skizze der Stirnseite eines Formzylinders
Fig. 6
Die Schnittdarstellung A-A aus Figur 5
Fig. 7
Eine vierte Skizze der Stirnseite eines Formzylinders
Fig. 8
Die Schnittdarstellung A-A aus Figur 7 (mit zusätzlichen Merkmalen)
Fig. 9
Eine fünfte Skizze der Stirnseite eines Formzylinders
Fig. 10
Die Schnittdarstellung A-A aus Figur 5
The individual figures show:
Fig. 1
A sketch of an axle cylinder
Fig. 2
A sketch of a hollow cylinder
Fig. 3
A first sketch of the face of a forme cylinder
Fig. 4
A second sketch of the face of a forme cylinder
Fig. 5
A third sketch of the face of a forme cylinder
Fig. 6
The sectional view AA off FIG. 5
Fig. 7
A fourth sketch of the face of a forme cylinder
Fig. 8
The sectional view AA off FIG. 7 (with additional features)
Fig. 9
A fifth sketch of the face of a forme cylinder
Fig. 10
The sectional view AA off FIG. 5

Fig. 1 zeigt einen Formzylinder 1, der an seinen Stirnseiten Achsstummel 2 aufweist. Zylinder dieser Art werden auch Achszylinder genannt. Demgegenüber ist der Formzylinder 1 in Figur 2 ein Hohlzylinder mit stirnseitigen Ausnehmungen 4, in die Pinolen 3 eingreifen können (die Ein- und Ausgreifbewegung der Pinolen 3 ist durch den Pfeil 15 symbolisiert). Dieser Umstand ist in Figur 2 explosionsskizzenartig gezeigt. Bei Rotationsdruckmaschinen kommen Formzylinder 1 vor, die als Achszylinder oder als Hohlzylinder aufgebaut sind. Pinolen 3 und Achsstummel 2 werden als Achsen 2, 3 bezeichnet. Die Durchmesser der Achsen dP und dA sind oft nur unwesentlich kleiner als die Durchmesser der Formzylinder DAZ und DHZ. Fig. 1 shows a form cylinder 1, which has stub axles 2 at its end faces. Cylinders of this type are also called axle cylinders. In contrast, the form cylinder 1 in FIG. 2 a hollow cylinder with end-side recesses 4, can engage in the sleeves 3 (the input and Ausgreifbewegung the sleeves 3 is symbolized by the arrow 15). This circumstance is in FIG. 2 shown in explosion sketches. In rotary printing machines come form cylinder 1, which are constructed as axle or as a hollow cylinder. Quill 3 and stub axle 2 are referred to as axles 2, 3. The diameters of the axes d P and d A are often only slightly smaller than the diameter of the form cylinder D AZ and D HZ .

In Figur 3 zeigt die Stirnseite eines Formzylinders 1 mit Achsstummeln 2, der in einer Farbwanne 5 mit Farbe 7 eingefärbt wird. Mit 6 ist ein Mindestabstand des Formzylinders 1 von dem Grund der Wanne bezeichnet. Tmax bezeichnet eine maximale Eintauchtiefe des Formzylinders 1 in der Farbe 7. In Figur 4 ist dieselbe Situation gezeigt wie in Figur 3, wobei der Formzylinder 1 einen minimalen Durchmesser DFZ aufweist. Wenn dieser Durchmesser DFZ noch kleiner wäre, würde die minimale Eintauchtiefe Tmin des Formzylinders 1 in der Farbe 7 unterschritten.In FIG. 3 shows the front side of a forme cylinder 1 with Achsstummeln 2, which is colored in a paint tray 5 with color 7. With 6, a minimum distance of the forme cylinder 1 is designated by the bottom of the tub. T max denotes a maximum immersion depth of the forme cylinder 1 in the color 7. In FIG. 4 the same situation is shown as in FIG. 3 , wherein the forme cylinder 1 has a minimum diameter D FZ . If this diameter D FZ were even smaller, the minimum immersion depth T min of the forme cylinder 1 in color 7 would be undershot.

Insgesamt spielen DFZ und dP beziehungsweise dA für die maximal mögliche Tauchtiefe eine wichtige Rolle. Wenn DFZ groß ist und dP klein ist, ist die maximale Eintauchtiefe möglich. Wenn DFZ klein ist und dP klein ist, ist die maximale Eintauchtiefe nicht möglich.Overall, D FZ and d P and d A play an important role for the maximum possible depth. If D FZ is large and d P is small, the maximum immersion depth is possible. If D FZ is small and d P is small, the maximum immersion depth is not possible.

In den Figuren 5 und 6 werden die Konsequenzen aufgezeigt, die eine Ausnehmung 8 in einer Fläche der Farbwanne 5 hat. Die Ausnehmung steht in Opposition zu einer Stirnfläche des Formzylinders 1. Sie ist in einer Ebene, die parallel zu einer solchen Stirnfläche verläuft, halbkreisförmig. Durch die Ausnehmung 8 kann jedoch Farbe 9 austreten, wie dies in Figur 6 gezeigt ist.In the FIGS. 5 and 6 the consequences are shown, which has a recess 8 in a surface of the ink tray 5. The recess is in opposition to an end face of the forme cylinder 1. It is in a plane which is parallel to such an end face, semicircular. Through the recess 8, however, 9 color can escape, as in FIG. 6 is shown.

Figur 7 zeigt dieselbe Situation wie Figur 5, wobei der Ausnehmung aus der Sicht des Betrachters der Abdichtköper 10 vorgelagert ist, der aus darstellerischen Gründen transparent dargestellt ist. FIG. 7 shows the same situation as FIG. 5 , wherein the recess from the view of the viewer of the Abdichtköper 10 is upstream, which is shown transparent for illustrative reasons.

Der Abdichtkörper 10 weist eine plattenartige Form auf und ist seinerseits vorteilhafterweise mit einer Ausnehmung 13 versehen, die zur Aufnahme der Achse 2, 3 des Formzylinders 1 geeignet ist und die lediglich in Figur 8 andeutungsweise gezeigt ist. Der Abdichtkörper 10 ist an der Wanne 5 oder anderen Teilen der Rotationsdruckmaschine beweglich befestigt und kann daher ganz oder teilweise aus dem Bereich der Ausnehmung 8 der Farbwanne entfernt werden, wenn ein Formzylinder mit einem maximalen Achsdurchmesser dP, dA zum Einsatz kommt. Vorteilhaft ist es, den Abdichtkörper "von unten" in vertikaler Richtung y an die Achse 2, 3 anzustellen, wobei bei diesem "Anstellen" keine Berührung zustande kommen muss (hierzu weiter unten mehr). Hierzu kann der Abdichtkörper 10 zum Beispiel mit Schienen an feststehenden Maschinenteilen angebracht sein.The sealing body 10 has a plate-like shape and in turn is advantageously provided with a recess 13 which is suitable for receiving the axis 2, 3 of the forme cylinder 1 and the only in FIG. 8 is shown hinted. The sealing body 10 is movably mounted on the tub 5 or other parts of the rotary printing press and can therefore be completely or partially removed from the area of the recess 8 of the ink pan, when a forme cylinder with a maximum axle diameter d P , d A is used. It is advantageous to set the sealing body "from below" in the vertical direction y to the axis 2, 3, wherein in this "hiring" no contact must be made (more on this below). For this purpose, the sealing body 10 may for example be mounted with rails on fixed machine parts.

Figur 8, die von der Perspektive her wieder einen Schnitt A-A aus Figur 7 zeigt, zeigt in diesem Zusammenhang zusätzliche Merkmale:

  • Es ist ein zusätzlicher Abstreifer 11 vorgesehen, der in der axialen Richtung z des Formzylinders 1 weiter von diesem beanstandet ist als der Abdichtkörper 10. Der Abstreifer 11 ist gegen den Achsstummel 2 berührend angestellt und streift Farbe 5 von diesem ab. Abstreifer 11 und Abdichtkörper 10 sind durch die Koppelstange 12 mechanisch miteinander verbunden. Sie werden gemeinsam in ihre Arbeitspositionen bewegt. In dem in Figur 8 gezeigten Ausführungsbeispiel ist der Abdichtkörper 10 noch einige Millimeter, mindestens aber 2 mm, von der Umfangsfläche des Achsstummels 2 entfernt, während der Abstreifer 11 gegen dieselbe angestellt ist und Farbe 5 abstreift. Dieser Abstand des Abdichtkörpers 10 von der Umfangsfläche des Achsstummels 2 wird durch die Art der Anbringung der Koppelstange 12 an Abstreifer 11 und Abdichtkörper 10 definiert. Die Haltevorrichtung 14 hält die Koppelstange 12, den Abstreifer 11 und den Abdichtkörper 10 und ermöglicht die Bewegung dieser Körper im Rüstprozess.
FIG. 8 , which from the perspective again a section AA from FIG. 7 shows additional features in this context:
  • An additional scraper 11 is provided, which in the axial direction z of the forme cylinder 1 is further spaced apart from the latter than the sealing body 10. The scraper 11 is made to contact the stub axle 2 and strips color 5 therefrom. Wiper 11 and sealing body 10 are mechanically connected by the coupling rod 12. They are moved together in their working positions. In the in FIG. 8 shown Embodiment, the sealing body 10 is still a few millimeters, but at least 2 mm, away from the peripheral surface of the stub axle 2, while the scraper 11 is made against the same and color strip 5. This distance of the sealing body 10 from the peripheral surface of the stub axle 2 is defined by the type of attachment of the coupling rod 12 to scraper 11 and sealing body 10. The holding device 14 holds the coupling rod 12, the wiper 11 and the sealing body 10 and allows the movement of these bodies in the setting-up process.

In den Figuren 9 und 10 ist ein Abdichtköper dargestellt, der sowohl als Abstreifer als auch als Abdichtkörper fungiert und zu diesem Zweck direkt gegen den Achsstummel 2 oder die Pinole 3 angestellt werden kann. Eine weitere vorteilhafte Alternative besteht darin, einen Abstreifer 11 zwischen Formzylinder 1 und Abdichtkörper 10 zu positionieren. Auf diese Weise tropft abgestreifte Farbe in die Farbwanne 5 zurück. Aus den vorgenannten Ausführungen zu Abdichtkörper 10, Abdichtvorrichtung 10, 11, 12, 14 und Abstreifer 11 folgt bereits, dass diese Begriffe funktional definiert sind. Ein Abdichtköper 10 wird daher relativ dicht an der Wandung der Farbwanne 5 anliegen, die abgedichtet werden soll. Wie bereits mehrfach erwähnt kann er in einer Wirkverbindung mit einem flexiblen Abdichtstoff (zwischen Abdichtkörper 10 und Wannenrand) stehen. Eine Abdichtvorrichtung kann neben dem Abdichtkörper 10 andere für den Abdichtprozess vorteilhafte Vorrichtungsbestandteile haben, die beispielsweise der Bewegung und Halterung des zumindest einen Abdichtkörpers dienen. Ein Abstreifer 11 wird in der Regel gegen die Achse 2, 3 des Formzylinders berührend angestellt. Oft ist die Berührungsfläche mit einer Gummilippe oder einem ähnlichen Stoff versehen. Dies kann auch bei dem in Figur 10 gezeigten Abdichtkörper 10 der Fall sein, der ja auch als Abstreifkörper dient.In the FIGS. 9 and 10 is a Abdichtköper shown, which acts both as a scraper and as a sealing body and can be made for this purpose directly against the stub axle 2 or the sleeve 3. A further advantageous alternative is to position a scraper 11 between the forme cylinder 1 and the sealing body 10. In this way, stripped paint drops back into the ink tray 5. From the aforementioned explanations on the sealing body 10, sealing device 10, 11, 12, 14 and scraper 11 already follows that these terms are defined functionally. An Abdichtköper 10 will therefore lie relatively close to the wall of the ink tray 5, which is to be sealed. As already mentioned several times, it can be in operative connection with a flexible sealing material (between the sealing body 10 and the edge of the tub). A sealing device, in addition to the sealing body 10, may have other device components which are advantageous for the sealing process and serve, for example, for the movement and mounting of the at least one sealing body. A scraper 11 is usually employed in contact with the axis 2, 3 of the forme cylinder. Often the contact surface is provided with a rubber lip or similar substance. This can also be done in the case of FIG. 10 sealing body 10 shown to be the case, which also serves as a stripper body.

Wie bereits erwähnt, ist es vorteilhaft, zwischen Abdichtkörper 10 und der Wandung der Wanne ein flexibles Dichtmaterial vorzusehen. Bezugszeichenliste 1 Formzylinder 2 Achsstummel 3 Pinole 4 Ausnehmungen Hohlzylinder 5 Farbwanne 6 Mindestabstand Formzylinderumfangsfläche Farbwannengrund 7 Farbe 8 Ausnehmung Farbwanne 9 Auslaufende Farbe 10 Abdichtkörper 11 Abstreifer 12 Mittel zur mechanischen Zwangskopplung/Koppelstange 13 Ausnehmung des Abdichtkörpers 14 Halter des Abstreifers 15 Pfeil Bewegungsrichtung der Pinole z Axialkoordinaten des Formzylinders y Vertikale Richtung DAZ Durchmesser des Achszylinders DHZ Durchmesser des Hohlzylinders DFZ Durchmesser des Formzylinders dA Durchmesser des Achsstumpfes dP Durchmesser der Pinole Tmax maximale Eintauchtiefe des Formzylinders Tmin minimale Eintauchtiefe des Formzylinders As already mentioned, it is advantageous to provide a sealing material between the sealing body 10 and the wall of the tub. LIST OF REFERENCE NUMBERS 1 form cylinder 2 stub axle 3 Pinole 4 Recesses hollow cylinder 5 paint tray 6 Minimum distance for mold cylinder peripheral surface Color bath base 7 colour 8th Recess color tray 9 Expiring color 10 sealing body 11 scraper 12 Means for mechanical positive coupling / coupling rod 13 Recess of the sealing body 14 Holder of the scraper 15 Arrow Movement direction of quill z Axial coordinates of the forme cylinder y Vertical direction D AZ Diameter of the axle cylinder D HZ Diameter of the hollow cylinder D FZ Diameter of the forme cylinder d A Diameter of the stub axle d P Diameter of the quill T max maximum immersion depth of the forme cylinder T min minimal immersion depth of the forme cylinder

Claims (12)

  1. Rotary printing press having at least one inking unit
    - which comprises an ink trough (5) and a forme cylinder (1) which is mounted on at least one axle (2, 3),
    - it being possible for the forme cylinder (1) and the ink trough (5) to be positioned with respect to one another in such a way that the forme cylinder (1) can be inked by ink (7) which is contained in the ink trough (5),
    - the ink trough (5) having at least one recess (8) in one of its side faces which are situated on the end side of the forme cylinder (1),
    - the said recess (8) being suitable for receiving at least one part of the axle (2, 3) of the forme cylinder (1),
    - and the inking unit having a sealing apparatus (10, 11, 12, 14), by way of which the recess (8) can be closed at least partially,
    characterized in that the at least one inking unit comprises at least one stripper (11) which can be set against the axle (2, 3) of the forme cylinder (1) and is suitable for stripping said axle (2, 3).
  2. Rotary printing press according to Claim 1, characterized in that the recess (8) has a size which is adapted to the maximum axle diameter (dA, dP).
  3. Rotary printing press according to the preceding claims, characterized in that the edge of the recess (8) runs in an arcuate or semicircular manner in the plane which is parallel to the end side of the forme cylinder (1).
  4. Rotary printing press according to the preceding claims, characterized in that the sealing apparatus (10, 11, 12, 14) has a sealing body (10) which is movable and by way of which the recess (8) can be sealed at least partially.
  5. Rotary printing press according to the preceding claim, characterized in that the edge of the sealing body (10) of the sealing apparatus (10, 11, 12, 14) which runs in the direction of the axle (2, 3) of the forme cylinder (1) runs in an arcuate or semicircular manner in the plane which is parallel to the end side of the forme cylinder (1).
  6. Rotary printing press according to either of the two preceding claims, characterized in that the sealing body (10) can be moved parallel to the at least one side face of the ink trough (5) which is situated on the end side of the forme cylinder (1) or to the end face of the forme cylinder (1).
  7. Rotary printing press according to one of the three preceding claims, characterized in that the sealing apparatus (10, 11, 12, 14) comprises guiding means, by way of which the sealing body (10) can be moved in the vertical direction (z).
  8. Rotary printing press according to one of the three preceding claims, characterized in that the sealing apparatus (10, 11, 12, 14) comprises a flexible sealing means which is situated between the sealing body (10) and the side face of the ink trough (5).
  9. Rotary printing press according to one of the preceding Claims 4 to 8, characterized in that the at least one stripper (11) and the at least one sealing body (10) are attached on one side of the forme cylinder (1).
  10. Rotary printing press according to the preceding claim, characterized in that the at least one stripper (11) is spaced apart further from the forme cylinder (1) in the axial direction (z) of said forme cylinder (1) than the at least one sealing body (10).
  11. Rotary printing press according to either of the two preceding claims, characterized by a means (12) for mechanical positive coupling of the setting-on and setting-off movements of the at least one sealing body (10) and the at least one stripper (11) against the axle (2, 3) of the forme cylinder (1).
  12. Rotary printing press according to the preceding claim, characterized in that the means (12) for mechanical positive coupling sets the position of the at least one sealing body (10) and the at least one stripper (11) with respect to one another in such a way that the sealing body (10) is spaced apart from the axle (2, 3) of the forme cylinder (1) by at least 2 mm when the stripper (11) passes into contact with said axle (2, 3).
EP11779718.3A 2010-11-15 2011-11-11 Rotary printing press Not-in-force EP2640574B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010043913 2010-11-15
DE201110017258 DE102011017258A1 (en) 2010-11-15 2011-04-15 Rotary printing machine and inking unit
PCT/EP2011/069947 WO2012065918A1 (en) 2010-11-15 2011-11-11 Rotary printing press and inking unit

Publications (2)

Publication Number Publication Date
EP2640574A1 EP2640574A1 (en) 2013-09-25
EP2640574B1 true EP2640574B1 (en) 2015-01-21

Family

ID=45999033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11779718.3A Not-in-force EP2640574B1 (en) 2010-11-15 2011-11-11 Rotary printing press

Country Status (4)

Country Link
EP (1) EP2640574B1 (en)
DE (1) DE102011017258A1 (en)
ES (1) ES2533600T3 (en)
WO (1) WO2012065918A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109572154A (en) * 2018-12-28 2019-04-05 云南华红印刷有限公司 A kind of intaglio printing press distributor rollers increasing Water wool jacket

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014114466A2 (en) 2013-01-24 2014-07-31 Windmöller & Hölscher Kg Gravure printing machine and inking unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2068839A (en) * 1935-09-09 1937-01-26 Speedry Gravure Corp Seal for ink housings of printing presses
GB532875A (en) * 1939-07-25 1941-02-03 Cecil George Quick Improvements in intaglio printing machines
US8240250B2 (en) * 2009-04-09 2012-08-14 Flxon Incorporated Ink pan system for a rotogravure printing press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109572154A (en) * 2018-12-28 2019-04-05 云南华红印刷有限公司 A kind of intaglio printing press distributor rollers increasing Water wool jacket

Also Published As

Publication number Publication date
EP2640574A1 (en) 2013-09-25
ES2533600T3 (en) 2015-04-13
WO2012065918A1 (en) 2012-05-24
DE102011017258A1 (en) 2012-05-16

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