EP0820866B1 - Inking unit for a rotary printing machine - Google Patents

Inking unit for a rotary printing machine Download PDF

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Publication number
EP0820866B1
EP0820866B1 EP97112318A EP97112318A EP0820866B1 EP 0820866 B1 EP0820866 B1 EP 0820866B1 EP 97112318 A EP97112318 A EP 97112318A EP 97112318 A EP97112318 A EP 97112318A EP 0820866 B1 EP0820866 B1 EP 0820866B1
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EP
European Patent Office
Prior art keywords
roller
inking unit
unit according
ink
holding device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97112318A
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German (de)
French (fr)
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EP0820866A3 (en
EP0820866A2 (en
Inventor
Günter Koppelkamm
Dieter Wagner
Bernd Hennig
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Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0820866A2 publication Critical patent/EP0820866A2/en
Publication of EP0820866A3 publication Critical patent/EP0820866A3/en
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Publication of EP0820866B1 publication Critical patent/EP0820866B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/02Ducts, containers, supply or metering devices
    • B41F31/04Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/04Cleaning arrangements or devices for inking rollers

Definitions

  • the invention relates to an inking unit for rotary printing presses according to the preamble of claim 1.
  • DE-AS 26 29 331 is an inking unit with a rotatably mounted in the frame Roller in the form of a color ductor and one which can be pivoted away from it Paint container known in the form of a paint box.
  • An analogous device also shows DE 42 24 775 A1, in which the ink fountain deviating from the previous solution in one connected to the frame Traverse fixed bearings is pivotally mounted.
  • an inking unit in which a roller and a Paint container in a common holder slidable together in one Rack are stored.
  • the ink tank can be swiveled away from the roller.
  • An inking unit is disclosed in EP-A 0 422 350, in which an inking unit is attached to an ink tray Anilox roller is arranged and this ink tray on a pivoted Carrier is put on.
  • the invention has for its object an inking unit for rotary printing presses according to the preamble of claim 1 to create the both a largely color residue-avoiding, user-friendly Color emptying of the paint container as well as a thorough cleaning good accessibility of the latter and the roller.
  • the combination of the swiveling movements of the paint container and the die Roller bearing bracket allows favorable conditions for both the Color emptying of the paint container as well as the cleaning of the latter as well as the roller, including washing.
  • the roller and the ink tank together into a roller that drains off the ink releasing position can be pivoted so that the following Swiveling the ink container away from the roller prevents ink from escaping becomes.
  • the color emptying of a paint container or the Removal of an additional stake favors, and for a very good one Accessibility when washing is from the already swiveled roller the paint container can also be swung out.
  • the solution according to the invention also allows an interruption of the Contact of the still operational roller and ink duct Establishment of a downstream transfer roller. It is the roller can be driven as required in any swivel position.
  • the one working with a paint container in the form of a chambered doctor blade Roller can be equipped with recesses for ink absorption both as anilox roller for a short inking unit as well as a uniform structured Form roller for example for fund printing or as uneven structured form roller can be designed for general printing.
  • Fig. 1 shows in connection with Fig. 6 a rotatable in a holder 1 stored, drivable roller I in the form of an ink fountain roller 2, to the one Paint container II is pivoted in the form of a paint box 3.
  • Paint container II is pivoted in the form of a paint box 3.
  • the one lying on the inside of the frame Axis 8 has an axially matching bore 10 in frame 9 aligned fitting bore 11, in which one in the fitting bore 10 in the frame 9th engaging dowel pin 12 sits.
  • the axis 8 is in each case on the end face screwed to the frame 9 (Fig. 6).
  • a motor 13 is located on the side of the lever 6, coaxial with the ink fountain roller 2 flanged to the ink fountain roller 2 via a fixed coupling 14 connected is.
  • the frame 9 is for the motor 13 with the pivoting the bracket 1 enabling recess 15 equipped.
  • the ink fountain 3 is attached to the ink fountain roller 2 swiveled position lockable against the bracket 1.
  • To engages in the housing of the ink fountain axially displaceable locking bolt 16 into a bore 17 of the holder 1 that is aligned with this on.
  • the holder 1 In the operating position, the holder 1 lies against an adjustable stop 18 the contact of the ink fountain roller 2 to a downstream transfer roller 19 limiting.
  • bracket 1 and the locked paint box 3 together by means of a pressure medium operated, acting on the bracket 1 and on Frame pivoted working cylinder 20 is pivoted, this is done separately for unlocked ink fountain 3 by hand with the help one attached to this handle 21, the pivoting movement of the Color box 3 favorably by a stop, not shown or a lock relative to the bracket can be limited.
  • the color box 3 with a exchangeable ink fountain insert 22.
  • Fig. 6 are four ink boxes 3, each of a quarter-wide design arranged separately next to each other. These are alternative interchangeable with a full or one or two half-width ink boxes.
  • the storage 24 for the Ink fountain 3 in several parts, which can be screwed together radially on axis 8 Bearing shells 25; 26 are executed. This is also a quick one Exchange of different width ink boxes possible.
  • FIG. 3 shows, compared to FIG. 2, one after the locking bolt 16 has been released from the bore 17 of the bracket 1 from the ink fountain roller 3 additionally pivoted paint box 3, which the entire facility for the Cleaning is optimally accessible.
  • Fig. 4 shows the holder 1 with the ink fountain roller 2 in contact with Transfer roller 19 analog to FIG. 1 and the ink fountain 3 analog to FIG. 3 in which a cleaning, pivoted away from the ink fountain roller 3 Position.
  • Fig. 5 shows a parked by the transfer roller 19 and thus in Contact of the ink fountain roller 2 to the transfer roller 19 interrupted, otherwise, however, operational facility.
  • FIGS. 7 and 8 show a modified version with respect to FIGS. 1 and 6 Device that the bracket 1 'by means of one of the two levers 6', 7 ' connecting, mounted on the axis 8, the ink fountain 3 'pivotable bearing tube 29 is effectively stiffened as a crossbar.
  • the locking bolt 16 'of the ink fountain 3' engages in this version in the tube 29 arranged bore 17 '.
  • the ink fountain 3 'in FIG. 7 is on the one hand on one attached to the tube 29, the storage 24 'of the ink fountain 3' in one a recess 30 permitting a pivoting movement radially penetrating Lever 31 and on the other hand on the ink fountain 3 'articulated cylinder 32 swiveling.
  • Fig. 9 shows an axis parallel to the mounting of the bracket 1 " offset in this stored color box 3 ".
  • the tube 29 'and on the ink fountain 3 " mutually overlapping bearing levers 33, 34 attached, parallel to the axis 8 'of the bracket 1 "each by a Bearing bolts 35 are penetrated.
  • FIG. 10 shows a drive variant for an axle 36 that is fixed to the frame and equipped with a roller jacket 37 rotatably mounted on the latter Ink fountain roller 2 ', like a laterally attached to the lever 6 " Motor 38 by means of a worm 39 on the roller jacket 37 coaxially attached worm wheel 40 drives.
  • an ink fountain roller 2 "of similar design to FIG. 10 drives a disc rotor motor 41, whose rotor 42 coaxially on the roll shell 37 'is fixed and stator 43 is seated on the axis 36'.
  • the drive for the ink fountain roller 2 is not shown; 2 '; 2 "can also be designed in such a way that an arbitrarily drivable drive wheel is rotatably mounted on the axis 8 or the tube 29; 29 'coaxially to the pivot axis of the holder 1; 1';1" and is driven by the drive with the ink fountain roller 2; 2 '; 2 "is connected.
  • the drive wheel can be designed as a toothed disc, which drives a coaxial toothed disc which is firmly connected to the ink fountain roller 2 or its roller jacket 37; 37 'by means of positive traction means as a chain or toothed belt. It is also conceivable to replace the toothed disks by spur gears, which have at least one in the holder 1; 1'; 1 "mounted intermediate spur gear mesh with each other.
  • FIGS. 12 and 13 show a chamber doctor blade 44 in a schematic representation as ink container II '; 44 'and as roller I' an anilox roller 45; 45 ', in FIG. 12 the chamber doctor blade 44 analogously to the ink fountain 3 "in FIG. 9 to the pivot axis of the holder 46 carrying the anilox roller 45 offset axially parallel in the holder 46 and in FIG. 13 the chamber doctor blade 44' analogous to the ink fountain 3 3 'in FIGS. 1 to 8 is pivotally mounted coaxially to the pivot axis of the holder 46' carrying the anilox roller 45 '.
  • the anilox roller 45; 45 ' is particularly suitable for the short inking units working with chambered doctor blade and anilox roller, the anilox roller 45; 45 'a transfer roller 47'; 47 of the respective short inking system.
  • the anilox roller 45; 45' to provide a form roller equipped with recesses for ink absorption, which dyes a transfer roller in the indirect printing process.
  • the form roller can be designed both uniformly structured, for example for fund printing, or unevenly structured for general printing.

Description

Die Erfindung betrifft ein Farbwerk für Rotationsdruckmaschinen nach dem Oberbegriff von Anspruch 1.The invention relates to an inking unit for rotary printing presses according to the preamble of claim 1.

Aus der DE-AS 26 29 331 ist ein Farbwerk mit einer im Gestell drehbar gelagerten Walze in Gestalt eines Farbduktors und einem von diesem abschwenkbar gelagerten Farbbehälters in Gestalt eines Farbkastens bekannt.From DE-AS 26 29 331 is an inking unit with a rotatably mounted in the frame Roller in the form of a color ductor and one which can be pivoted away from it Paint container known in the form of a paint box.

Eine analoge Einrichtung zeigt auch die DE 42 24 775 A1, bei der der Farbkasten abweichend zur voranstehenden Lösung in auf einer mit dem Gestell verbundenen Traverse befestigten Lagern schwenkbar gelagert ist.An analogous device also shows DE 42 24 775 A1, in which the ink fountain deviating from the previous solution in one connected to the frame Traverse fixed bearings is pivotally mounted.

Bei den genannten Einrichtungen ist ein Farbwechsel im dazu ungünstig positionierten Farbkasten nur relativ umständlich durchführbar. In der DE 42 24 775 benutzt man zum Entleeren des Farbkasten eine Rakel, mit der die Farbe über eine unebene, steil ansteigende Bodenfläche in einen am oberen Rand des Farbkastens angeordneten Behälter gestrichen wird. Damit ist eine weitesgehend Farbrückstände vermeidende Entleerung des Farbkstens nur schwierig realisierbar.In the facilities mentioned, a color change is in an unfavorably positioned position Color box can only be carried out relatively cumbersome. DE 42 24 775 is used for Emptying the paint box a squeegee, with which the paint passes over an uneven, steep rising floor area in a arranged at the upper edge of the color box Container is painted. This means that color residues are largely avoided It is difficult to empty the ink fountain.

Ein gründliches Waschen des Farbkastens sowie des Farbduktors ist mangels guter Zugänglichkeit erschwert.A thorough washing of the ink fountain as well as the ink ductor is not good Accessibility difficult.

Ähnliche Probleme treten auch bei einem Farbbehälter in der allgemein bekannten Gestalt einer an einer Rasterwalze schwenkbar angeordneten Kammerrakel auf, bei deren Abschwenken von der Rasterwalze die Gefahr eines Austrittes von Restfarbe besteht und deren Reinigung wegen eingeschränkter Zugänglichkeit erschwert ist.Similar problems also occur with a paint container in the generally known one Shape of a chambered doctor blade arranged pivotably on an anilox roller, at their pivoting away from the anilox roller the risk of leakage of residual ink exists and whose cleaning is difficult due to restricted accessibility.

Aus der US-A 3,921,525 ist ein Farbwerk offenbart, bei dem eine Walze und ein Farbbehälter in einer gemeinsamen Halterung miteinander verschiebbar in einem Gestell gelagert sind. Der Farbbehälter ist von der Walze wegschwenkbar.From US-A 3,921,525 an inking unit is disclosed in which a roller and a Paint container in a common holder slidable together in one Rack are stored. The ink tank can be swiveled away from the roller.

Aus der EP-A 0 422 350 ist ein Farbwerk offenbart, bei dem an einer Farbwanne eine Rasterwalze angeordnet ist und diese Farbwanne auf einem schwenkbar gelagerten Träger aufgesetzt ist. An inking unit is disclosed in EP-A 0 422 350, in which an inking unit is attached to an ink tray Anilox roller is arranged and this ink tray on a pivoted Carrier is put on.

Der Erfindung liegt die Aufgabe zugrunde, ein Farbwerk für Rotationsdruckmaschinen gemäß dem Oberbegriff von Anspruch 1 zu schaffen, das sowohl eine weitestgehend Farbrückstände vermeidende, bedienfreundliche Farbentleerung des Farbbehälters als auch eine gründliche Säuberung bei guter Zugänglichkeit von letzterem sowie der Walze ermöglicht.The invention has for its object an inking unit for rotary printing presses according to the preamble of claim 1 to create the both a largely color residue-avoiding, user-friendly Color emptying of the paint container as well as a thorough cleaning good accessibility of the latter and the roller.

Die Aufgabe wird durch die kennzeichnenden Merkmale von Anspruch 1 sowie die Erfindung in vorteilhafter Weise ausgestaltenden Unteransprüche erfüllt.The object is achieved by the characterizing features of claim 1 as well as the subclaims which form the invention in an advantageous manner Fulfills.

Die Kombination der Schwenkbewegungen des Farbbehälters und der die Walze tragende Halterung ermöglicht günstige Bedingungen für sowohl die Farbentleerung des Farbbehälters als auch die Säuberung von letzterem sowie der Walze, inclusive Waschen. Insbesondere können die Walze und der Farbbehälter gemeinsam in eine die Walze von der abfließenden Farbe freisetzende Stellung geschwenkt werden, so daß beim nachfolgenden Abschwenken des Farbbehälters von der Walze ein Farbaustritt vermieden wird. Insbesondere wird die Farbentleerung eines Farbbehälters bzw. die Entnahme eines zusätzlichen Einsatzes begünstigt, und für eine sehr gute Zugänglichkeit beim Waschen ist von der bereits geschwenkten Walze zusätzlich der Farbbehälter abschwenkbar.The combination of the swiveling movements of the paint container and the die Roller bearing bracket allows favorable conditions for both the Color emptying of the paint container as well as the cleaning of the latter as well as the roller, including washing. In particular, the roller and the ink tank together into a roller that drains off the ink releasing position can be pivoted so that the following Swiveling the ink container away from the roller prevents ink from escaping becomes. In particular, the color emptying of a paint container or the Removal of an additional stake favors, and for a very good one Accessibility when washing is from the already swiveled roller the paint container can also be swung out.

Auch gestattet die erfindungsgemäße Lösung eine Unterbrechung des Kontaktes der weiterhin betriebsbereiten aus Walze und Farbduktor bestehenden Einrichtung von einer nachgeordneten Übertragungswalze. Dabei ist die Walze in jeder Schwenkstellung bedarfsweise antreibbar.The solution according to the invention also allows an interruption of the Contact of the still operational roller and ink duct Establishment of a downstream transfer roller. It is the roller can be driven as required in any swivel position.

Die mit einem Farbbehälter in Gestalt einer Kammerrakel zusammenarbeitende Walze kann mit Vertiefungen zur Farbaufnahme ausgestattet sowohl als Rasterwalze für ein Kurzfarbwerk als auch als gleichmäßige strukturierte Formwalze für beispielsweise einen Fondsdruck oder als ungleichmäßig strukturierte Formwalze für den allgemeinen Druck gestaltet sein.The one working with a paint container in the form of a chambered doctor blade Roller can be equipped with recesses for ink absorption both as anilox roller for a short inking unit as well as a uniform structured Form roller for example for fund printing or as uneven structured form roller can be designed for general printing.

Die Erfindung wird nachfolgend an Ausführungsbeispielen näher erläutert. In den zugehörigen Zeichnungen zeigen:

Fig. 1:
eine erfindungsgemäße Einrichtung mit einem schwenkbaren Farbbehälter als Farbkasten und einer koaxial zu diesem schwenkbar gelagerten, der Lagerung einer Walze als Farbkastenwalze dienenden Halterung in der Betriebsstellung als Seitenansicht;
Fig. 2:
die Einrichtung gemäß Fig. 1 in der Farbwechselstellung;
Fig. 3:
die Einrichtung mit gegenüber Fig. 2 zusätzlich von der Farbkastenwalze abgeschwenktem Farbkasten;
Fig. 4:
die Einrichtung mit in Betriebsstellung stehender Farbkastenwalze und zwecks Reinigung von dieser abgeschwenktem Farbkasten;
Fig. 5:
die Einrichtung gemäß Fig. 1 in einer von einer nachgeordneten Übertragungswalze abgestellten Stellung;
Fig. 6:
eine Vorderansicht der Einrichtung gemäß Fig. 1 mit teilweise in die Darstellungsebene gedrehten Funktionselementen;
Fig. 7:
eine Variante der Einrichtung gemäß Fig. 1 mit einem der Lagerung und als Traverse für die Halterung dienenden Rohr;
Fig. 8:
eine Vorderansicht der Einrichtung gemäß Fig. 7 mit teilweise in die Darstellungsebene gedrehten Funktionselementen;
Fig. 9:
eine Variante der Einrichtung gemäß Fig. 1 mit einem zur Lagerung der Halterung in dieser achsparallel versetzt gelagerten Farbkasten;
Fig.10:
eine Variante zu Fig. 6 und 8 der Lagerung und des Antriebes der Farbkastenwalze mittels Schneckentriebes;
Fig.11:
eine gegenüber Fig. 10 geänderte Variante mit einem Scheibenläufermotor;
Fig.12:
eine erfindungsgemäße Einrichtung mit einem schwenkbaren Farbbehälter als Kammerrakel, einer Walze als Rasterwalze und mit analog zu Fig. 9 achsparallel versetzt angeordneten Schwenkachsen der Kammerrakel und der Halterung der Rasterwalze in der Betriebsstellung als Seitenansicht;
Fig.13:
eine Variante zu Fig. 11 mit koaxial angeordneten Schwenkachsen.
The invention is explained in more detail below using exemplary embodiments. In the accompanying drawings:
Fig. 1:
a device according to the invention with a pivotable ink fountain as ink fountain and a coaxially mounted to this, the storage of a roller serving as ink fountain roller holder in the operating position as a side view;
Fig. 2:
the device of Figure 1 in the color change position.
Fig. 3:
the device with compared to Figure 2 additionally pivoted from the ink fountain roller.
Fig. 4:
the device with the ink fountain roller in the operating position and the ink fountain pivoted away for the purpose of cleaning;
Fig. 5:
1 in a position parked by a downstream transfer roller;
Fig. 6:
a front view of the device of Figure 1 with functional elements partially rotated into the plane of the illustration.
Fig. 7:
a variant of the device of Figure 1 with a storage and as a crossbar for the holder tube.
Fig. 8:
7 shows a front view of the device according to FIG. 7 with functional elements partially rotated into the representation plane;
Fig. 9:
a variant of the device of Figure 1 with a color box offset for storing the bracket in this axially parallel.
Figure 10:
a variant of Figures 6 and 8 of the storage and drive of the ink fountain roller by means of worm gear.
Figure 11:
a modified from Figure 10 variant with a disc motor;
Figure 12:
a device according to the invention with a pivotable ink tank as a chamber doctor blade, a roller as an anilox roller and with axially parallel offset axes of the chamber doctor blade and the holder of the anilox roller in the operating position as a side view;
Figure 13:
a variant of Fig. 11 with coaxially arranged pivot axes.

Fig. 1 zeigt in Verbindung mit Fig. 6 eine in einer Halterung 1 drehbar gelagerte, antreibbare Walze I in Gestalt einer Farbkastenwalze 2, an die ein Farbbehälter II in Gestalt eines Farbkastens 3 angeschwenkt ist. Die aus zwei mittels Traversen 4, 5 starr miteinander verbundenen Hebeln 6, 7 bestehende Halterung ist mit dem Farbkasten auf einer Achse 8 zu letzterem getrennt schwenkbar gelagert. Die jeweils innen am Gestell anliegende Achse 8 besitzt axial eine zu einer gleichartigen Paßbohrung 10 im Gestell 9 fluchtende Paßbohrung 11, in der ein in die Paßbohrung 10 im Gestell 9 eingreifender Paßbolzen 12 sitzt. Außerdem ist die Achse 8 jeweils stirnseitig mit dem Gestell 9 verschraubt (Fig. 6).Fig. 1 shows in connection with Fig. 6 a rotatable in a holder 1 stored, drivable roller I in the form of an ink fountain roller 2, to the one Paint container II is pivoted in the form of a paint box 3. From two levers 6, 7 rigidly connected to one another by means of crossbeams 4, 5 existing bracket is with the paint box on an axis 8 to the latter separately pivoted. The one lying on the inside of the frame Axis 8 has an axially matching bore 10 in frame 9 aligned fitting bore 11, in which one in the fitting bore 10 in the frame 9th engaging dowel pin 12 sits. In addition, the axis 8 is in each case on the end face screwed to the frame 9 (Fig. 6).

An dem Hebel 6 ist seitlich, koaxial zur Farbkastenwalze 2 ein Motor 13 angeflanscht, der mit der Farbkastenwalze 2 über eine feste Kupplung 14 verbunden ist. Das Gestell 9 ist für den Motor 13 mit einer das Schwenken der Halterung 1 ermöglichenden Aussparung 15 ausgestattet.A motor 13 is located on the side of the lever 6, coaxial with the ink fountain roller 2 flanged to the ink fountain roller 2 via a fixed coupling 14 connected is. The frame 9 is for the motor 13 with the pivoting the bracket 1 enabling recess 15 equipped.

Wie Fig. 1 zu entnehmen, ist der Farbkasten 3 in der an die Farbkastenwalze 2 angeschwenkten Stellung gegenüber der Halterung 1 arretierbar. Dazu greift ein im Gehäuse des Farbkastens axial verschiebbar geführter Arretierungsbolzen 16 in eine zu diesem fluchtende Bohrung 17 der Halterung 1 ein.As can be seen in FIG. 1, the ink fountain 3 is attached to the ink fountain roller 2 swiveled position lockable against the bracket 1. To engages in the housing of the ink fountain axially displaceable locking bolt 16 into a bore 17 of the holder 1 that is aligned with this on.

In der Betriebsstellung liegt die Halterung 1 an einem einstellbaren Anschlag 18 den Kontakt der Farbkastenwalze 2 zu einer nachgeordneten Übertragungswalze 19 begrenzend an.In the operating position, the holder 1 lies against an adjustable stop 18 the contact of the ink fountain roller 2 to a downstream transfer roller 19 limiting.

Während die Halterung 1 sowie der arretierte Farbkasten 3 gemeinsam mittels eines druckmittelbetrieben, an der Halterung 1 angreifenden und am Gestell angelenkten Arbeitszylinders 20 geschwenkt wird, erfolgt dies getrennt für den entarretierten Farbkasten 3 von Hand unter Zuhilfenahme eines an diesem befestigten Griffes 21, wobei die Schwenkbewegung des Farbkastens 3 günstigerweise durch einen nicht dargestellten Anschlag bzw. eine Arretierung gegenüber der Halterung begrenzbar ist.While the bracket 1 and the locked paint box 3 together by means of a pressure medium operated, acting on the bracket 1 and on Frame pivoted working cylinder 20 is pivoted, this is done separately for unlocked ink fountain 3 by hand with the help one attached to this handle 21, the pivoting movement of the Color box 3 favorably by a stop, not shown or a lock relative to the bracket can be limited.

Zur Erleichterung eines Farbwechsels ist der Farbkasten 3 mit einem wechselbaren Farbkasteneinsatz 22 ausgestattet.To facilitate a color change, the color box 3 with a exchangeable ink fountain insert 22.

Desweiteren ist unterhalb der Farbkastenwalze 2 eine sich im Betriebszustand bis zu dem axialen Spalt zwischen dieser und dem Farbkasten 3 erstreckende, wechselbar am Gestell befestigte Tropfwanne 23 angeordnet.Furthermore, one is in the operating state below the ink fountain roller 2 up to the axial gap between it and the ink fountain 3 extending drip tray 23 interchangeably attached to the frame.

In Fig. 6 sind vier Farbkästen 3 in jeweils viertelbahnbreiter Ausführung getrennt schwenkbar nebeneinander angeordnet. Diese sind alternativ gegen einen voll- oder einen bzw. zwei halbbahnbreite Farbkästen austauschbar. Zur Erleichterung der Montage des Farbkastens 3 kann gemäß der nur in Fig. 1 strichpunktiert dargestellten Variante mit einem dazu geringfügig geänderten Gehäuse des Farbkastens die Lagerung 24 für den Farbkasten 3 mehrteilig aus radial auf der Achse 8 miteinander verschraubbaren Lagerschalen 25; 26 ausgeführt werden. Damit ist auch ein schneller Austausch verschiedenbreiter Farbkästen möglich. In Fig. 6 are four ink boxes 3, each of a quarter-wide design arranged separately next to each other. These are alternative interchangeable with a full or one or two half-width ink boxes. To facilitate the assembly of the ink fountain 3 can according to of the variant shown only in dash-dotted lines in FIG. 1 with one slightly modified housing of the ink box the storage 24 for the Ink fountain 3 in several parts, which can be screwed together radially on axis 8 Bearing shells 25; 26 are executed. This is also a quick one Exchange of different width ink boxes possible.

In Fig. 2 ist die Halterung 1 mittels des Arbeitszylinders 20 gemeinsam mit dem gegenüber der Halterung arretierten Farbkasten 3 in eine Farbwechselstellung geschwenkt, in der die Farbe 27 völlig von der Farbkastenwalze 2 ab in den rückwärtigen Bereich des Farbkasteneinsatzes 22 geflossen ist, so daß dieser ohne die Gefahr eines Farbaustrittes an seiner zur Farbkastenwalze 2 offenen Seite dem Farbkasten 3 unter Zuhilfenahme eines Griffes 28 entnommen werden kann.In Fig. 2, the bracket 1 by means of the working cylinder 20 together with the ink fountain 3 locked against the holder in a color change position pivoted, in which the color 27 completely from the ink fountain roller 2 has flowed into the rear area of the ink fountain insert 22, so that this without the risk of ink leakage from it to the ink fountain roller 2 open side of the color box 3 with the help of a Handle 28 can be removed.

Fig. 3 zeigt gegenüber Fig. 2 einen nach dem Lösen des Arretierbolzens 16 aus der Bohrung 17 der Halterung 1 von der Farbkastenwalze 3 zusätzlich abgeschwenkten Farbkasten 3, womit die gesamte Einrichtung für die Reinigung optimal zugänglich ist.3 shows, compared to FIG. 2, one after the locking bolt 16 has been released from the bore 17 of the bracket 1 from the ink fountain roller 3 additionally pivoted paint box 3, which the entire facility for the Cleaning is optimally accessible.

Fig. 4 zeigt die Halterung 1 mit der Farbkastenwalze 2 im Kontakt zur Übertragungswalze 19 analog zu Fig. 1 und den Farbkasten 3 analog zu Fig. 3 in der eine Reinigung ermöglichenden, von der Farbkastenwalze 3 abgeschwenkten Stellung.Fig. 4 shows the holder 1 with the ink fountain roller 2 in contact with Transfer roller 19 analog to FIG. 1 and the ink fountain 3 analog to FIG. 3 in which a cleaning, pivoted away from the ink fountain roller 3 Position.

Fig. 5 zeigt eine von der Übertragungswalze 19 abgestellte und damit im Kontakt der Farbkastenwalze 2 zur Übertragungswalze 19 unterbrochene, ansonsten jedoch betriebsbereite Einrichtung.Fig. 5 shows a parked by the transfer roller 19 and thus in Contact of the ink fountain roller 2 to the transfer roller 19 interrupted, otherwise, however, operational facility.

Fig. 7 und 8 zeigen eine gegenüber den Fig. 1 und 6 dahingehend geänderte Einrichtung, daß die Halterung 1' mittels eines die beiden Hebel 6', 7' fest verbindenden, auf der Achse 8 gelagerten, den Farbkasten 3' verschwenkbar tragenden Rohres 29 als Traverse wirksam versteift ist. Der Arretierbolzen 16' des Farbkastens 3' greift bei dieser Ausführung in die in dem Rohr 29 angeordneten Bohrung 17' ein.FIGS. 7 and 8 show a modified version with respect to FIGS. 1 and 6 Device that the bracket 1 'by means of one of the two levers 6', 7 ' connecting, mounted on the axis 8, the ink fountain 3 'pivotable bearing tube 29 is effectively stiffened as a crossbar. The locking bolt 16 'of the ink fountain 3' engages in this version in the tube 29 arranged bore 17 '.

Zusätzlich ist in Fig. 7 der Farbkasten 3' mittels eines einerseits an einem an dem Rohr 29 befestigten, die Lagerung 24' des Farbkastens 3' in einer eine Schwenkbewegung ermöglichenden Aussparung 30 radial durchsetzenden Hebel 31 und anderenseits an dem Farbkasten 3'angelenkten Arbeitszylinders 32 verschwenkbar.In addition, the ink fountain 3 'in FIG. 7 is on the one hand on one attached to the tube 29, the storage 24 'of the ink fountain 3' in one a recess 30 permitting a pivoting movement radially penetrating Lever 31 and on the other hand on the ink fountain 3 'articulated cylinder 32 swiveling.

Fig. 9 zeigt einen gegenüber der Lagerung der Halterung 1" achsparallel versetzt in dieser gelagerten Farbkasten 3". Dazu sind an dem Rohr 29' und an dem Farbkasten 3" sich gegenseitig überlappende Lagerhebel 33, 34 befestigt, die parallel zur Achse 8' der Halterung 1" jeweils von einem Lagerbolzen 35 durchsetzt sind.Fig. 9 shows an axis parallel to the mounting of the bracket 1 " offset in this stored color box 3 ". For this purpose on the tube 29 'and on the ink fountain 3 "mutually overlapping bearing levers 33, 34 attached, parallel to the axis 8 'of the bracket 1 "each by a Bearing bolts 35 are penetrated.

Fig. 10 zeigt als Antriebsvariante für eine mit einer gestellfesten Achse 36 sowie einem auf letzterer verdrehbar gelagerten Walzenmantel 37 ausgestattete Farbkastenwalze 2', wie ein an dem Hebel 6" seitlich befestigter Motor 38 mittels einer Schnecke 39 ein an dem Walzenmantel 37 koaxial befestigtes Schneckenrad 40 antreibt.FIG. 10 shows a drive variant for an axle 36 that is fixed to the frame and equipped with a roller jacket 37 rotatably mounted on the latter Ink fountain roller 2 ', like a laterally attached to the lever 6 " Motor 38 by means of a worm 39 on the roller jacket 37 coaxially attached worm wheel 40 drives.

In Fig. 11 treibt eine zu Fig. 10 gleichartig gestaltete Farbkastenwalze 2" ein Scheibenläufermotor 41 an, dessen Rotor 42 koaxial am Walzenmantel 37' befestigt ist und Stator 43 auf der Achse 36' sitzt.In FIG. 11, an ink fountain roller 2 "of similar design to FIG. 10 drives a disc rotor motor 41, whose rotor 42 coaxially on the roll shell 37 'is fixed and stator 43 is seated on the axis 36'.

Nicht dargestellt ist der Antrieb für die Farbkastenwalze 2; 2'; 2" auch derart gestaltbar, daß auf der Achse 8 bzw. dem Rohr 29; 29' koaxial zur Schwenkachse der Halterung 1; 1'; 1" ein beliebig antreibbares Antriebsrad drehbar gelagert ist, das über einen Trieb mit der Farbkastenwalze 2; 2'; 2" in Verbindung steht. Dabei ist das Antriebsrad als Zahnscheibe ausführbar, die mittels formschlüssigen Zugmittels als Kette oder Zahnriemen eine mit der Farbkastenwalze 2 bzw. deren Walzenmantel 37; 37' fest verbundene, koaxiale Zahnscheibe antreibt.
Denkbar ist auch, die Zahnscheiben durch Stirnzahnräder zu ersetzen, die über mindestens ein in der Halterung 1; 1'; 1" gelagertes Zwischenstirnzahnrad miteinander im Eingriff stehen.
The drive for the ink fountain roller 2 is not shown; 2 '; 2 "can also be designed in such a way that an arbitrarily drivable drive wheel is rotatably mounted on the axis 8 or the tube 29; 29 'coaxially to the pivot axis of the holder 1; 1';1" and is driven by the drive with the ink fountain roller 2; 2 '; 2 "is connected. The drive wheel can be designed as a toothed disc, which drives a coaxial toothed disc which is firmly connected to the ink fountain roller 2 or its roller jacket 37; 37 'by means of positive traction means as a chain or toothed belt.
It is also conceivable to replace the toothed disks by spur gears, which have at least one in the holder 1; 1'; 1 "mounted intermediate spur gear mesh with each other.

Die Fig. 12 und 13 zeigen in schematischer Darstellung als Farbbehälter II' eine Kammerrakel 44; 44' und als Walze I' eine Rasterwalze 45; 45', wobei in Fig. 12 die Kammerrakel 44 analog zu dem Farbkasten 3" in Fig. 9 zur Schwenkachse der die Rasterwalze 45 tragenden Halterung 46 achsparallel versetzt in der Halterung 46 und in Fig. 13 die Kammerrakel 44' analog zu dem Farbkasten 3; 3'in den Fig. 1 bis 8 koaxial zur Schwenkachse der die Rasterwalze 45' tragenden Halterung 46' schwenkbar gelagert ist.
Die gleichmäßig strukturiert mit Vertiefungen zur Farbaufnahme ausgestattete Rasterwalze 45; 45' ist insbesondere für die mit Kammerrakel und Rasterwalze arbeitenden Kurzfarbwerke geeignet, wobei die Rasterwalze 45; 45' eine Übertragungswalze 47'; 47 des jeweiligen Kurzfarbwerkes einfärbt.
Es ist jedoch auch möglich, anstatt der Rasterwalze 45; 45'als Walze eine mit Vertiefungen zur Farbaufnahme ausgestattete Formwalze vorzusehen, die im indirekten Druckverfahren eine Übertragungswalze einfärbt. Die Formwalze kann dabei sowohl gleichmäßig strukturiert für beispielsweise einen Fondsdruck oder ungleichmäßig strukturiert für den allgemeinen Druck ausgeführt werden.
12 and 13 show a chamber doctor blade 44 in a schematic representation as ink container II '; 44 'and as roller I' an anilox roller 45; 45 ', in FIG. 12 the chamber doctor blade 44 analogously to the ink fountain 3 "in FIG. 9 to the pivot axis of the holder 46 carrying the anilox roller 45 offset axially parallel in the holder 46 and in FIG. 13 the chamber doctor blade 44' analogous to the ink fountain 3 3 'in FIGS. 1 to 8 is pivotally mounted coaxially to the pivot axis of the holder 46' carrying the anilox roller 45 '.
The anilox roller 45; 45 'is particularly suitable for the short inking units working with chambered doctor blade and anilox roller, the anilox roller 45; 45 'a transfer roller 47'; 47 of the respective short inking system.
However, it is also possible instead of the anilox roller 45; 45'to provide a form roller equipped with recesses for ink absorption, which dyes a transfer roller in the indirect printing process. The form roller can be designed both uniformly structured, for example for fund printing, or unevenly structured for general printing.

Die speziell für eine aus Farbkasten 3; 3'; 3" und Farbkastenwalze 2; 2'; 2" bestehende Einrichtung beschriebenen und dargestellten Lösungsvarianten gemäß Fig. 1 bis 11 sind bezüglich Halterung, Lagerung und Antrieb der Farbkastenwalze sowie Lagerung des Farbkastens auch auf die Kammerrakel 44; 44' und die Rasterwalze 45; 45' gemäß Fig. 11 und 12 übertragbar.The specially for one from color box 3; 3 '; 3 "and ink fountain roller 2; 2 '; 2" existing facility described and illustrated solution variants 1 to 11 are the bracket, storage and drive Ink fountain roller and storage of the ink fountain also on the chamber doctor blade 44; 44 'and the anilox roller 45; 45 'according to FIGS. 11 and 12 can be transferred.

Claims (25)

  1. Inking unit for rotary printing machines, comprising
    a drivable roller (I; I') rotatably supported in a separate holding device (1; 1'; 1"; 46; 46'),
    at least one ink container (II; II'), which to facilitate cleaning and ink changing is supported so as be capable of swivelling down from the roller (I; I'),
    characterized in that
    the holding device (1; 1'; 1"; 46; 46') is pivotally supported in a frame (9) and is capable of swivelling jointly with the ink container (II, II').
  2. Inking unit according to claim 1, characterized in that the ink container (II; II') is supported in the frame (9) so as to be capable of swivelling coaxially with the bearing arrangement of the holding device (1; 1'; 46').
  3. Inking unit according to claim 1, characterized in that the ink container (II; II') is supported in the holding device (1"; 46) so as to be capable of swivelling in a paraxially offset manner relative to the bearing arrangement of the latter.
  4. Inking unit according to claim 1 to 3, characterized in that the holding device (1; 1'; 1"; 46; 46') is capable of swivelling jointly with the ink container (II; II'), which is otherwise capable of swivelling away from the roller (I; I'), while maintaining the contact between roller (I; I') and ink container (II; II') out of the operating position into an ink changing position which separates the roller (I; I') from the ink (27) flowing down in the ink container (I' I') into the rear region of the latter.
  5. Inking unit according to claim 1 to 4, characterized in that the roller (I; I') is supported at each end in a lever (6; 6'; 6"; 7; 7'), the levers (6; 6'; 6"; 7; 7') as well as, in the case of its coaxial arrangement, the ink container (II; II') are disposed pivotally on a frame-fixed axle (8), and the levers (6; 6'; 6"; 7; 7') are rigidly connected to one another by means of cross members (4; 5).
  6. Inking unit according to claim 1 to 5, characterized in that fastened to the holding device (1; 1'; 46; 46') is a motor (13), which is coaxially drive-connected directly to the roller (I; I') supported in the holding device (1; 1'; 1"; 46; 46').
  7. Inking unit according to claim 1 to 5, characterized in that fastened to the holding device (1; 1'; 1"; 46; 46') is a motor (38), which via a worm (39) drives a worm wheel (40), which is disposed coaxially with the roller (I; I') and connected firmly to the latter.
  8. Inking unit according to claim 1 to 5, characterized in that a stator (43) of a disk-type rotor motor (41) is seated on a frame-fixed axle (36') of the roller (I; I') and a rotor (42) of the disk-type rotor motor (41) is connected firmly to a roller shell (37) of the roller (I; I'), which roller shell is supported rotatably on the axle (36).
  9. Inking unit according to claim 1 to 5, characterized in that a drive wheel of a drive connected to the roller (I; I') is rotatably supported coaxially with the swivelling axis of the holding device (1; 1'; 1"; 45; 46').
  10. Inking unit according to claim 9, characterized in that the drive wheel takes the form of a toothed disk, which via a positive traction means in the form of a chain or toothed belt drives a toothed disk, which is disposed coaxially with the roller (I; I') and firmly connected to the latter.
  11. Inking unit according to claim 9, characterized in that the drive is designed as a spur gear having at least one intermediate gearwheel supported in the holding device (1; 1'; 1"; 46; 46').
  12. Inking unit according to claim 5 to 11, characterized in that the axle (8; 8; 8'), which terminates in each case against the inside of the frame (9), and the frame (9) are each equipped with a fitting bore (10; 11), in which fitting bores a common fitted bolt (12) is seated.
  13. Inking unit according to claim 5 to 12, characterized in that the holding device (1'; 1") is supported on the axle (8; 8') by means of a tube (29; 29'), which firmly connects the two levers (6'; 7') and functions as a cross member, and the ink container (I; I') in the case of its coaxial arrangement is supported on the tube (29).
  14. Inking unit according to claim 13, characterized in that, in the case of an ink duct 3" supported in a paraxially offset manner relative to the holding device 1", mutually overlapping bearing levers 33; 34 are fastened to the ink duct and to the tube 29' and are penetrated in each case by a bearing bolt 35, which is paraxial to the axle 8' of the holding device 1'.
  15. Inking unit according to claim 5 to 14, characterized in that the ink container (II; II') is disposed exchangeably on the axle (8; 8') and/or the tube (29; 29') by means of a multi-component bearing arrangement (24; 24') comprising bearing shells (25; 26), which may be radially assembled using releasable connecting elements.
  16. Inking unit according to claim 1 to 15, characterized in that the ink container (II; II') positioned against the roller (I; I') is lockable relative to the holding device (1; 1'; 1"; 46; 46') in the region between the operating position and the ink changing position.
  17. Inking unit according to claim 16, characterized in that a locking bolt (16; 16'), which is guided displaceably in the housing of the ink container (II; II'), in the position of the ink container (II; II') in which the latter is swivelled against the roller (I; I'), engages into a bore (17; 17') of the holding device (1; 1'; 1"; 46; 46') aligned with the locking bolt (16; 16').
  18. Inking unit according to claim 1 to 17, characterized in that the holding device (1'; 1") by means of a pressure-medium-operated working cylinder (20), which is coupled to the frame (9), in one direction is placeable in the operating position against an adjustable stop, which delimits the contact of the roller (I; I') with a downstream transfer roller (19; 47; 47'), and in the other direction may be swivelled initially into a position which merely interrupts the contact with the transfer roller (19; 47; 47'), and then further into the ink changing position.
  19. Inking unit according to claim 1 to 18, characterized in that the ink container (II; II') may be swivelled relative to the roller (I; I') by means of a pressure-medium-operated working cylinder (32; 32'), which is coupled at one end to the ink container and at the other end to the holding device (1'; 1").
  20. Inking unit according to claim 1 to 19, characterized in that selectively ink containers (II; II') of full-, half- or quarter-web width are disposed so as to be capable of swivelling separately relative to the roller (I; I').
  21. Inking unit according to claim 1 to 20, characterized in that the ink container (II) takes the form of an ink duct (3; 3; 3') and the roller (I) takes the form of an ink duct roller (2; 2'; 2").
  22. Inking unit according to claim 21, characterized in that the ink duct (3; 3'; 3") is equipped with an exchangeable ink duct insert (22).
  23. Inking unit according to claim 1 to 20, characterized in that the roller (I') is equipped with indentations for receiving the ink and the ink container (II') takes the form of a chambered doctor blade.
  24. Inking unit according to claim 23, characterized in that the roller (I') equipped with indentations takes the form of a screen roller (45; 45').
  25. Inking unit according to claim 23, characterized in that the roller (I') equipped with indentations takes the form of a grooved roller.
EP97112318A 1996-07-24 1997-07-18 Inking unit for a rotary printing machine Expired - Lifetime EP0820866B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19629811 1996-07-24
DE19629811A DE19629811A1 (en) 1996-07-24 1996-07-24 Inking unit for rotary printing presses

Publications (3)

Publication Number Publication Date
EP0820866A2 EP0820866A2 (en) 1998-01-28
EP0820866A3 EP0820866A3 (en) 1998-07-15
EP0820866B1 true EP0820866B1 (en) 2002-04-10

Family

ID=7800668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112318A Expired - Lifetime EP0820866B1 (en) 1996-07-24 1997-07-18 Inking unit for a rotary printing machine

Country Status (3)

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US (1) US5848570A (en)
EP (1) EP0820866B1 (en)
DE (2) DE19629811A1 (en)

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DE19651816C2 (en) * 1996-12-13 1999-10-28 Roland Man Druckmasch Drive device for a roller of an ink container
DE10039279A1 (en) * 1999-09-09 2001-03-15 Heidelberger Druckmasch Ag Roller for printers has non-metal structured surface and forms a slip or siphon roller
JP4540183B2 (en) * 2000-05-24 2010-09-08 株式会社小森コーポレーション Ink device for rotary printing press
DE10243732B4 (en) 2001-10-19 2018-08-09 Heidelberger Druckmaschinen Ag Drive system for a cylinder of a printing machine
DE20118941U1 (en) 2001-11-20 2002-02-14 Roland Man Druckmasch Inking unit for a rotary printing press
CN1325257C (en) * 2004-01-08 2007-07-11 寿原株式会社 Ink fountain
JP2005297201A (en) * 2004-04-06 2005-10-27 Taiyo Kikai Seisakusho:Kk Ink supply unit for flexographic press
DE102006013636B4 (en) * 2006-03-22 2012-02-09 Siemens Ag Printing machine or electric machine for a printing press
DE102012012089A1 (en) * 2011-07-06 2013-01-10 Heidelberger Druckmaschinen Ag Method for operating an anilox printing unit and printing machine with an anilox printing unit

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US2514556A (en) * 1947-03-11 1950-07-11 Miehle Printing Press & Mfg Ink fountain structure
US3921525A (en) * 1973-10-30 1975-11-25 American Bank Note Co Adjustable and retractable ink supply mechanism for printing press
DE2629331C3 (en) * 1976-06-30 1979-03-08 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Ink metering device on printing machines
US4155303A (en) * 1978-02-17 1979-05-22 Johnston Willis K Detachable ink fountain
DE2951649C2 (en) * 1979-12-21 1982-11-18 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Ink box of printing machines
DD207521A1 (en) * 1982-06-03 1984-03-07 Hans Johne STORAGE OF COLOR CHEST
FR2527987B1 (en) * 1982-06-04 1986-06-20 Creusot Loire LOW BLADE INK DEVICE WITH REMOVABLE INK CUP
DE3400831C2 (en) * 1984-01-12 1986-03-06 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Ink box for a printing press
US4617865A (en) * 1985-08-07 1986-10-21 Ryco Graphic Manufacturing, Inc. Liquid coater for a printing press with moveable inking roller and tray
DE8912194U1 (en) * 1989-10-13 1989-11-23 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US5081928A (en) * 1990-07-23 1992-01-21 Ward Holding Company, Inc. Multiple ink roll system for flexographic printing stations
DE4224795C2 (en) * 1991-08-08 1994-08-25 Siemens Ag Method and device for generating a stable control behavior of a feed circuit
DE4224775A1 (en) * 1992-07-27 1992-12-10 Koenig & Bauer Ag METHOD, DEVICE AND Squeegee for emptying ink boxes for rotary printing presses

Also Published As

Publication number Publication date
DE19629811A1 (en) 1998-01-29
EP0820866A3 (en) 1998-07-15
US5848570A (en) 1998-12-15
EP0820866A2 (en) 1998-01-28
DE59706938D1 (en) 2002-05-16

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