EP0472827B1 - Portable ink duct element for a printing machine - Google Patents

Portable ink duct element for a printing machine Download PDF

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Publication number
EP0472827B1
EP0472827B1 EP91108909A EP91108909A EP0472827B1 EP 0472827 B1 EP0472827 B1 EP 0472827B1 EP 91108909 A EP91108909 A EP 91108909A EP 91108909 A EP91108909 A EP 91108909A EP 0472827 B1 EP0472827 B1 EP 0472827B1
Authority
EP
European Patent Office
Prior art keywords
ink
ink fountain
insert
front wall
ink duct
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
EP91108909A
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German (de)
French (fr)
Other versions
EP0472827A1 (en
Inventor
K.L. Lindblom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0472827A1 publication Critical patent/EP0472827A1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices

Definitions

  • the invention relates to an ink fountain insert of a printing press with an underlying knife and with a gap extending over the length of the insert for the ink outlet at the bottom at the front of the insert.
  • An ink fountain is usually a constructive part of the inking unit of the machine in question, i.e. it is firmly connected to the inking unit.
  • a color change is usually only possible after the color of the ink fountain has been completely used up, if one does not want to clean the ink fountain in a very complex manner.
  • the US 512 562 describes a portable ink fountain insert with the features of the preamble of claim 1.
  • the closure element for the ink outlet gap is actuated there via a threaded rod which runs on the inside of the front wall of the ink fountain insert.
  • the threaded rod is actuated by a screwed nut.
  • the present invention seeks to propose a portable ink fountain insert with the features of the preamble of claim 1 requirements in practice, particularly with regard to keeping them clean, are well enough. A simple construction is also sought.
  • the pull cable acts on the spring plate, which is preferably provided with a handle. If you pull the handle, the front end of the spring plate bends from its rest position, in which it releases the ink outlet gap, into its closed position, in which it lies against the contact surface of the front wall.
  • the pull cable is routed in the receptacles on the front wall of the ink fountain insert, it always assumes its proper operating position and is well protected.
  • the ink fountain arrangement shown has a length such that one or more book pages can be printed with it.
  • an ink fountain insert shown as a whole in FIGS. 2 and 3 can be filled with printing ink.
  • the insert is portable and can then be used in a conventional ink fountain. This is shown in FIG. 1.
  • the ink outlet gap of the ink fountain insert opened and he then delivers ink to a Ductorwalze 1.
  • the ink fountain insert can be closed and the ink fountain insert can then be removed again.
  • the ink fountain insert is inserted into a conventional ink fountain 2 of the inking unit, on which an ink knife 3 is also provided, via which an ink film 4 is transferred to the duct roller 1 in a conventional manner.
  • the side wall of the ink fountain 2 is indicated at item 2a.
  • the portable ink fountain insert is open at the top. It has a front wall 5, a rear wall 6, side walls 7 and an inclined floor 8. Handles 9 are attached to the side walls.
  • a spring plate 10 lies on the inside of the base, which has a profiled front edge 11 (cf. FIG. 4).
  • the two pull cables 12 are connected to one another via a handle 13.
  • the spring plate rests on the top of the base 8, so that the outlet gap (outlet opening) is open for the paint.
  • the handle 13 is raised, as indicated by the broken line in FIG. 1.
  • the profiled edge 11 of the spring plate 10 then lies against the correspondingly profiled receptacle of the front wall 5, as a result of which the ink outlet gap is closed.
  • the measures described enable easy and clean handling of the printing ink.
  • the ink fountain insert described can be used on all machines with ink fountains with an underlying ink knife, regardless of whether they are roll or sheet machines or offset or high-pressure machines.
  • the invention offers a particularly economic advantage. This is mostly the case with rotary web presses.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Pens And Brushes (AREA)

Abstract

A portable ink fountain insert for an ink fountain of a printing press includes a body defining a volume for receiving ink, with a discharge gap being defined at the lower front end of the body. A pull is cable guided in a recess in the front wall. A gap control device is connected to the body and to the pull cable for selectively opening and closing the ink discharge gap in response to displacement of the pull cable. An actuating element engages the pull cable for controlling displacement of the pull cable and thus the opening and closing of the discharge gap.

Description

Die Erfindung betrifft einen Farbkasteneinsatz einer Druckmaschine mit unterliegendem Messer und mit einem sich über die Länge des Einsatzes erstreckenden Spalt für den Farbaustritt unten an der Vorderseite des Einsatzes.The invention relates to an ink fountain insert of a printing press with an underlying knife and with a gap extending over the length of the insert for the ink outlet at the bottom at the front of the insert.

Ein Farbkasten ist üblicherweise konstruktiver Teil des Farbwerks der betreffenden Maschine, d.h. er ist fest mit dem Farbwerk verbunden. Ein Farbwechsel ist üblicherweise erst nach vollständigem Verbrauch der Farbe des Farbkastens möglich, wenn man den Farbkasten nicht sehr aufwendig reinigen will.An ink fountain is usually a constructive part of the inking unit of the machine in question, i.e. it is firmly connected to the inking unit. A color change is usually only possible after the color of the ink fountain has been completely used up, if one does not want to clean the ink fountain in a very complex manner.

Die US 512 562 beschreibt einen tragbaren Farbkasteneinsatz mit den Merkmalen des Oberbegriffs von Patentanspruch 1. Das Verschlußelement für den Farbaustrittsspalt wird dort über eine Gewindestange betätigt, die an der Innenseite der Vorderwand des Farbkasteneinsatzes verläuft. Die Gewindestange wird durch auf eine aufgeschraubte Gewindemutter betätigt. Dies ist nicht nur umständlich und konstruktiv aufwendig, sondern insbesondere fällt bei dieser bekannten Konstruktion nachteilig ins Gewicht, daß die Mechanik zum Betätigen des Schließblechs in Kontakt mit der Farbe des Farbkasteneinsatzes kommt und daher nur schwierig zu reinigen ist.The US 512 562 describes a portable ink fountain insert with the features of the preamble of claim 1. The closure element for the ink outlet gap is actuated there via a threaded rod which runs on the inside of the front wall of the ink fountain insert. The threaded rod is actuated by a screwed nut. This is not only cumbersome and structurally complex, but is particularly disadvantageous in this known construction that the mechanism for actuating the striking plate comes into contact with the color of the ink fountain insert and is therefore difficult to clean.

Demgegenüber liegt der Erfindung die Aufgabe zugrunde, einen tragbaren Farbkasteneinsatz mit den Merkmalen des Oberbegriffs von Patentanspruch 1 vorzuschlagen, der den in der Praxis gestellten Anforderungen, insbesondere in Bezug auf Reinhaltung, gut genügt. Auch wird eine einfache Konstruktion angestrebt.In contrast, the present invention seeks to propose a portable ink fountain insert with the features of the preamble of claim 1 requirements in practice, particularly with regard to keeping them clean, are well enough. A simple construction is also sought.

Die Lösung dieser Aufgabe gelingt durch das Kennzeichen von Anspruch 1. Man kann somit den - mit der jeweils gewünschten Druckfarbe - gefüllten Farbkasteneinsatz in das jeweils gewünschte Farbwerk der Maschine einsetzen und durch Öffnen des Farbaustrittsspalts ist das Farbwerk druckbereit. Soll ein Farbwechsel stattfinden, so muß man den Einsatz lediglich austauschen. Die dabei anfallenden Reinigungsarbeiten sind gering.This problem is solved by the characterizing part of claim 1. You can thus insert the ink fountain insert - filled with the desired printing ink - into the desired inking unit of the machine and the inking unit is ready for printing by opening the ink outlet gap. If a color change is to take place, all you have to do is replace the insert. The cleaning work involved is minimal.

Für die Betätigung des Ventils greift am Federblech das Zugkabel an, das vorzugsweise mit einem Handgriff versehen ist. Zieht man am Handgriff, so verbiegt sich das Vorderende des Federblechs aus seiner Ruhelage, in der es den Farbaustrittsspalt freigibt, in seine Schließlage, in der es sich an die Anlagefläche der Vorderwand anlegt.To actuate the valve, the pull cable acts on the spring plate, which is preferably provided with a handle. If you pull the handle, the front end of the spring plate bends from its rest position, in which it releases the ink outlet gap, into its closed position, in which it lies against the contact surface of the front wall.

Weil das Zugkabel in den Aufnahmen der Vorderwand des Farbkasteneinsatzes geführt ist, nimmt es stets seine ordentliche Betriebslage ein und ist gut geschützt.Because the pull cable is routed in the receptacles on the front wall of the ink fountain insert, it always assumes its proper operating position and is well protected.

Weil die Vorderkante des Federblechs und die Anlagefläche der Vorderwand des Farbkasteneinsatzes entsprechend profiliert sind, ergibt sich eine einwandfreie Abdichtung, die ggfs. durch ein Dichtgummi an einer oder beiden profilierten Flächen unterstützt werden kann.Because the front edge of the spring plate and the contact surface of the front wall of the ink fountain insert are appropriately profiled, a perfect seal results, which can be supported by a rubber seal on one or both profiled surfaces if necessary.

Die Erfindung wird im folgenden anhand eines Ausführungsbeispiels näher erläutert, aus dem sich weitere wichtige Merkmale ergeben. Es zeigt:

Fig. 1 -
schematisch in einer teilweise geschnittenen Seitenansicht eine Farbkastenanordnung nach der Erfindung, eingesetzt in ein Farbwerk einer Rollendruckmaschine;
Fig. 2 -
eine Ansicht des in der Anordnung nach Fig. 1 verwendeten Farbkasteneinsatzes in Richtung des Pfeiles A von Fig. 1;
Fig. 3 -
eine Draufsicht auf den Farbkasteneinsatz in Richtung des Pfeiles B von Fig. 1;
Fig. 4 -
vergrößert in einer Seitenansicht den unteren Bereich der Vorderwand des Farbkasteneinsatzes mit dem Federblech in seiner Verschlußlage;
Fig. 5 -
eine Draufsicht in Richtung des Pfeiles C von Fig. 4, wobei zur Verdeutlichung das Federblech fortgelassen wurde.
The invention is explained in more detail below on the basis of an exemplary embodiment from which further important features result. It shows:
Fig. 1 -
schematically in a partially sectioned side view of an ink fountain arrangement according to the invention, used in an inking unit of a web printing press;
Fig. 2 -
a view of the ink fountain insert used in the arrangement of Figure 1 in the direction of arrow A of Fig. 1.
Fig. 3 -
a plan view of the ink fountain insert in the direction of arrow B of Fig. 1;
Fig. 4 -
enlarged in a side view the lower region of the front wall of the ink fountain insert with the spring plate in its closed position;
Fig. 5 -
a plan view in the direction of arrow C of Fig. 4, wherein the spring plate has been omitted for clarity.

Die gezeigte Farbkastenanordnung hat eine Länge derart, daß damit eine oder mehrere Buchseiten bedruckt werden können.The ink fountain arrangement shown has a length such that one or more book pages can be printed with it.

In geschlossenem Zustand seiner Öffnungen kann ein in Fig. 2 und 3 als Ganzes gezeigter Farbkasteneinsatz mit Druckfarbe gefüllt werden.When its openings are closed, an ink fountain insert shown as a whole in FIGS. 2 and 3 can be filled with printing ink.

Der Einsatz ist tragbar und kann dann in einen herkömmlichen Farbkasten eingesetzt werden. Dies zeigt Fig. 1.The insert is portable and can then be used in a conventional ink fountain. This is shown in FIG. 1.

In dieser in Fig. 1 zeichnerisch dargestellten Betriebslage wird der Farbaustrittsspalt des Farbkasteneinsatzes geöffnet und er gibt dann Druckfarbe an eine Ductorwalze 1 ab. Wenn die Druckfarbe ganz oder teilweise verbraucht ist, kann der Farbkasteneinsatz geschlossen werden und der Farbkasteneinsatz kann dann auch wieder herausgenommen werden.In this operating position shown graphically in Fig. 1, the ink outlet gap of the ink fountain insert opened and he then delivers ink to a Ductorwalze 1. When all or part of the ink has been used up, the ink fountain insert can be closed and the ink fountain insert can then be removed again.

Um dies zu erreichen wird der Farbkasteneinsatz in einen herkömmlichen Farbkasten 2 des Farbwerks eingesetzt, an dem auch ein unten liegendes Farbmesser 3 vorgesehen ist, über das in herkömmlicher Art und Weise ein Farbfilm 4 auf die Ductorwalze 1 übertragen wird. Die Seitenwand des Farbkastens 2 ist bei Pos. 2a angedeutet.In order to achieve this, the ink fountain insert is inserted into a conventional ink fountain 2 of the inking unit, on which an ink knife 3 is also provided, via which an ink film 4 is transferred to the duct roller 1 in a conventional manner. The side wall of the ink fountain 2 is indicated at item 2a.

Der tragbare Farbkasteneinsatz ist oben offen. Er weist eine Vorderwand 5, eine Rückwand 6, Seitenwände 7 und einen geneigten Boden 8 auf. An den Seitenwänden sind Handgriffe 9 befestigt.The portable ink fountain insert is open at the top. It has a front wall 5, a rear wall 6, side walls 7 and an inclined floor 8. Handles 9 are attached to the side walls.

Im vorderen Bereich des Bodens 8 liegt innen auf dem Boden ein Federblech 10 auf, das eine profilierte Vorderkante 11 hat (vgl. Fig. 4). An den Enden des Blechs 10 greifen Zugkabel 12 an, die in entsprechenden Aufnahmen der Vorderwand 5 geführt sind. Vgl. Fig. 5. Die beiden Zugkabel 12 sind über einen Handgriff 13 miteinander verbunden.In the front area of the base 8, a spring plate 10 lies on the inside of the base, which has a profiled front edge 11 (cf. FIG. 4). Pull cables 12, which are guided in corresponding receptacles in the front wall 5, engage at the ends of the sheet 10. See FIG. 5. The two pull cables 12 are connected to one another via a handle 13.

In nicht betätigtem Zustand liegt das Federbleche auf der Oberseite des Bodens 8 auf, so daß der Auslaßspalt (Auslaßöffnung) für die Farbe geöffnet ist.In the non-actuated state, the spring plate rests on the top of the base 8, so that the outlet gap (outlet opening) is open for the paint.

Soll der Farbaustrittsspalt verschlossen werden, so wird der Handgriff 13 angehoben, wie dies in Fig. 1 gestrichelt angedeutet ist. Es legt sich dann die profilierte Kante 11 des Federblechs 10 an die entsprechend profilierte Aufnahme der Vorderwand 5 an, wodurch der Farbaustrittsspalt verschlossen wird.If the ink outlet gap is to be closed, the handle 13 is raised, as indicated by the broken line in FIG. 1. The profiled edge 11 of the spring plate 10 then lies against the correspondingly profiled receptacle of the front wall 5, as a result of which the ink outlet gap is closed.

Durch die beschriebenen Maßnahmen ist ein leichtes und sauberes Handhaben der Druckfarbe möglich.The measures described enable easy and clean handling of the printing ink.

Der beschriebene Farbkasteneinsatz kann bei allen Maschinen mit Farbkästen mit unterliegendem Farbmesser eingesetzt werden, unabhängig davon, ob es Rollen- oder Bogenmaschinen sind oder Offset- oder Hochdruckmaschinen.The ink fountain insert described can be used on all machines with ink fountains with an underlying ink knife, regardless of whether they are roll or sheet machines or offset or high-pressure machines.

An Maschinen, die einen schnellen Farbwechsel verlangen, z.B. Zeitungsrotationsmaschinen, bietet die Erfindung einen besonders wirtschaftlichen Vorteil. Dies ist meist an Rollenrotationsmaschinen der Fall.On machines that require a quick color change, e.g. Newspaper web presses, the invention offers a particularly economic advantage. This is mostly the case with rotary web presses.

Zwischen der Vorderwand des Farbkasteneinsatzes und dem Ductor muß ein Luftspalt vorhanden sein.Dieser Luftspalt kann durch entsprechende Anschläge oder eine durchgehende Traverse zwischen den Seitenbacken des Farbkastens, an die sich die Farbkasteneinsätze anlegen, sichergestellt werden. Denkbar sind auch Abstützungen mit niederem Reibkoeffizienten, die sich direkt an die Ductorwalze anlegen.There must be an air gap between the front wall of the ink fountain insert and the duct, which can be ensured by means of appropriate stops or a continuous crossbar between the side jaws of the ink fountain to which the ink fountain inserts attach. Supports with a low coefficient of friction are also conceivable, which rest directly on the ductor roller.

Claims (2)

  1. Portable ink duct insert for the ink duct of a printing machine, having a front wall (5) and an ink outlet gap, which can be closed by means of an actuation element (13), on the lower, front end of the ink duct insert, characterised in that a pull cable (12) is connected to the actuation element (13) and is guided in a receiving portion of the front wall (5) of the ink duct insert, and actuates a flexible spring plate (10) which in the closure position abuts against a contact surface in the region of the lower edge of the front wall (5).
  2. Ink duct insert according to claim 1, characterised in that the actuation element is constructed as a U-shaped handle (13), to the ends of which the pull cable (12) is connected and actuates the spring plate, which in the closure position, in the region of the lower edge of the front wall (5), abuts a correspondingly profiled contact surface by way of a profiled front edge (11).
EP91108909A 1990-08-30 1991-05-31 Portable ink duct element for a printing machine Expired - Lifetime EP0472827B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027377 1990-08-30
DE4027377A DE4027377A1 (en) 1990-08-30 1990-08-30 INK BOX ARRANGEMENT OF A PRINTING MACHINE

Publications (2)

Publication Number Publication Date
EP0472827A1 EP0472827A1 (en) 1992-03-04
EP0472827B1 true EP0472827B1 (en) 1994-09-21

Family

ID=6413192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108909A Expired - Lifetime EP0472827B1 (en) 1990-08-30 1991-05-31 Portable ink duct element for a printing machine

Country Status (5)

Country Link
US (1) US5167188A (en)
EP (1) EP0472827B1 (en)
JP (1) JPH04234654A (en)
AT (1) ATE111814T1 (en)
DE (2) DE4027377A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327830A (en) * 1992-06-12 1994-07-12 Man Roland Druckmaschinen Ag Portable, removable and insertable ink fountain box for a printing machine
DE4315595C2 (en) * 1993-05-11 1995-02-16 Roland Man Druckmasch Use for wedge ink boxes of printing machines
DE4326593C2 (en) * 1993-08-07 2001-06-28 Roland Man Druckmasch Ink supply device
DE19928880A1 (en) * 1998-07-06 2000-01-13 Heidelberger Druckmasch Ag Ink box for printing press, with ink dosing device consisting of several dosing elements covered by ink box foil
DE19860641A1 (en) * 1998-12-29 2000-07-06 Koenig & Bauer Ag Ink feed device for an ink fountain pen
CA2300283C (en) 1999-03-31 2005-10-25 Mitsubishi Heavy Industries, Ltd. Ink supply apparatus for printing press and ink tray mounted on the same apparatus, and method for mounting contamination preventive surface cover to ink tray
JP3100374B1 (en) 1999-06-03 2000-10-16 三菱重工業株式会社 Ink supply device and ink key
JP2001212938A (en) * 2000-02-02 2001-08-07 Hamada Printing Press Co Ltd Ink supplying device
US6520082B1 (en) 2000-07-06 2003-02-18 Delaware Capital Formation, Inc. Removable ink cassette for a printing press
GB2430405A (en) * 2005-09-21 2007-03-28 Focus Label Machinery Ltd A printer ink cartridge
DE102007023463B4 (en) 2007-05-19 2009-06-25 Koenig & Bauer Aktiengesellschaft Ink fountain use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US512562A (en) * 1894-01-09 Ink-fountain
GB1220934A (en) * 1967-02-28 1971-01-27 Dick Co Ab Improvements relating to printing and duplicating
DE8813883U1 (en) * 1988-11-05 1988-12-22 Vural, Cetin, 8058 Erding, De

Also Published As

Publication number Publication date
ATE111814T1 (en) 1994-10-15
DE4027377A1 (en) 1992-03-12
EP0472827A1 (en) 1992-03-04
US5167188A (en) 1992-12-01
DE59103028D1 (en) 1994-10-27
JPH04234654A (en) 1992-08-24
DE4027377C2 (en) 1993-07-29

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