EP1679186B1 - Liquid supply cabinet for offset printing machines - Google Patents

Liquid supply cabinet for offset printing machines Download PDF

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Publication number
EP1679186B1
EP1679186B1 EP20050020872 EP05020872A EP1679186B1 EP 1679186 B1 EP1679186 B1 EP 1679186B1 EP 20050020872 EP20050020872 EP 20050020872 EP 05020872 A EP05020872 A EP 05020872A EP 1679186 B1 EP1679186 B1 EP 1679186B1
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EP
European Patent Office
Prior art keywords
liquid
chamber
liquid supply
supply cabinet
chambers
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Expired - Fee Related
Application number
EP20050020872
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German (de)
French (fr)
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EP1679186A2 (en
EP1679186A3 (en
Inventor
Georg Lechner
Hans Wendt
Jürgen Lagger
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Baldwin Germany GmbH
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Baldwin Germany GmbH
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Publication of EP1679186A3 publication Critical patent/EP1679186A3/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/22—Means for cooling or heating forme or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/32—Ducts, containers, or like supply devices for liquids

Definitions

  • the invention relates to a liquid supply cabinet for offset printing machines according to the preamble of patent claim 1.
  • a liquid supply cabinet of this kind is from the EP 0 602 312 A1 known. Fluid supply cabinets for offset printing machines are also from the EP 0 711 661 A2 . DE 101 33 309 A1 . DE 200 22 561 U1 and G 91 01 888.9 U1 known.
  • a washing device for cleaning rotating cylinders and rollers is known from US 4,344,361 known.
  • the DE 196 27 458 A1 and the DE 198 60 855 A1 each show a washing device with several washing chambers for a printing press.
  • Printing presses require different process liquids, for example dampening water for dampening water, offset printing, tempering water, for example cooling water, for tempering or cooling printing press elements, in particular cylinders and rolls.
  • Process liquid is also washing liquid, z.
  • the detergent can be conventional detergent or UV detergent.
  • UV detergent is used to remove UV inks on rollers and cylinders of the press.
  • UV colors are colors which are caused by ultraviolet light on the printed fabric (paper web or paper sheets or Webs or sheets of other material) can be dried.
  • process liquids are stored and / or conditioned in containers in one or more liquid supply cabinets.
  • fountain solution is conditioned by mixing in a fountain solution tank alcohol or alcohol substitute and / or other additives in a certain amount with fresh water.
  • the problem to be solved is to provide a way by which process liquids can be accommodated in a single liquid supply cabinet under the smallest possible space requirements.
  • the solution should be as inexpensive as possible.
  • the invention has the advantage that the multi-chamber tank requires less space in the liquid supply cabinet than a plurality of individual containers corresponding to the chambers. This takes up less space. Furthermore, there is the advantage that the multi-chamber tank can be adapted to the internal space conditions in the liquid supply cabinet.
  • the chambers may be arranged at different heights or made of different heights or different widths, depending on the available space in the liquid supply cabinet.
  • Fig. 1 schematically a liquid supply cabinet according to the invention in combination with a schematically illustrated printing unit of a fountain solution offset printing machine.
  • Fig. 1 schematically illustrated liquid cabinet 2 according to the invention contains in a housing 4 a multi-chamber tank 6 with at least three chambers, wherein Fig. 1 shows an embodiment with five chambers 8, 10, 12, 14 and 16, in each of which a process fluid is located.
  • a process fluid for example, in the chamber 8 dampening water, in the chamber 10 conventional detergent, in the chamber 12 UV detergent, in the chamber 14 washing water (eg., Fresh water, eg., Tap water) and in the chamber 16 tempering, preferably cooling water.
  • washing water eg., Fresh water, eg., Tap water
  • the chambers are arranged side by side, preferably with the chamber bottoms 18 in a plane.
  • the liquid supply cabinet 2 includes a refrigeration system 20 for cooling at least one of the process liquids, for example, the fountain solution in the fountain solution 8 and / or the cooling water in the cooling water chamber 16.
  • the refrigeration system 20 includes a refrigerator, which is adapted to by alternately compressing and relaxing a Refrigerant temperatures lower than the ambient temperature of the liquid supply cabinet 2 to produce.
  • the refrigeration device includes, for example in the flow direction of the refrigerant sequentially a compressor 22, a backstop 24 (eg., A check valve), a refrigerant condenser 26 with a fan 28, a refrigerant accumulator 30, a refrigerant expansion valve 32 and a heat exchanger 34, which on the suction side of Compressor 22 is connected.
  • heat exchangers 34 which are connected in parallel or in series with each other.
  • Fig. 1 shows Fig. 1 a heat exchanger 34 for tempering the fountain solution in the fountain solution 8 and a heat exchanger 35 for controlling the temperature of the cooling water in the cooling water chamber 16th
  • a metering device 40 for adding alcohol or alcohol substitute and a metering device 42 for metering of at least one additional additive in the fountain solution of the fountain solution 8 in the liquid supply cabinet 2 is provided.
  • the liquid supply cabinet is provided with a flow connection 44 and a return connection 46, to which an external supply line 48 and an external return line 50 for recirculation of fountain solution from the fountain solution 8 to a printing machine 52 and from this back into the fountain solution chamber 8 are connected.
  • a line 66 with a conveyor for. B. a pump 68th
  • the liquid supply cabinet 2 is provided with a flow connection 54 and a return connection 56, to which external lines 58 and 60 can be connected for recirculation of cooling water from the cooling water chamber 16 to be cooled elements, for. B. cylinders or rollers of the printing machine 52.
  • a connecting line 62 between the cooling water chamber 16 and the flow connection 54 is a conveying device, for. B. a pump 64th
  • the fresh water chamber 14 is connected via a pump 70 in a line 71 to a Frischwasserauslassan gleich 72 of the liquid supply cabinet.
  • the one detergent chamber 10 is connected via a pump 73 in a line 74 to a Waschstoffauslassan gleich 75, and the other detergent chamber 12 is connected via a pump 76 in a line 77 to a Waschstoffauslassan gleich 78 of the liquid supply cabinet 2.
  • two or all three of the detergent chambers 10 and 12 and the fresh water chamber 14 could be connected to one of the outlet ports 72, 75, 78 by a common pump rather than separate pumps.
  • a valve may be disposed in lines 62, 66, 71, 74 and / or 77, as illustrated by valves 79, 80 and 81 as examples in the drawings.
  • Separate or a common external line 82 for supplying the relevant liquid to the printing press 52 can be connected to the detergent outlet connections 75 and 78 and the fresh water outlet connection 72.
  • the supply cabinet is provided with a fresh water inlet connection 84, via which the chamber 8, 10, 12, 14 and / or 16 fresh water (not shown for 16), can be fed.
  • a conduit 86 passes through valves 88 and 90 to each of the chambers which require fresh water, for example to the fresh water chamber 14 and the fountain solution chamber 8.
  • fresh water may also be supplied to the other chambers as required.
  • an electric control device 100 is provided in or on the liquid supply cabinet 2.
  • an electrical control device 102 for controlling one or more washing devices 104 of the printing press 52 is provided in or on the liquid supply cabinet 2.
  • washing devices are known, for example in the form of a washing bar, through which, for. Example by means of a wash cloth or a brush, cylinder 106, 108 or 110 of a printing unit and rollers 112 of an inking unit and / or rollers 114 of a dampening unit of the fountain solution offset printing machine 52 are cleaned.
  • the two control devices 100 and 102 may be individual modules, preferably plug-together modules, and may have separate or preferably a common electrical interface 120 in or on the liquid supply cabinet 20, by which they can be connected to a higher-level electrical control device 122 of the printing machine 52.
  • a single common electrical control device 100/102 is provided, which fulfills the functions of both individual control devices and can be connected to the higher-level control 122 of the printing machine 52 via the interface 120.

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

Description

Die Erfindung betrifft einen Flüssigkeitsversorgungsschrank für Offset-Druckmaschinen gemäß dem Oberbegriff von Patentanspruch 1.The invention relates to a liquid supply cabinet for offset printing machines according to the preamble of patent claim 1.

Ein Flüssigkeitsversorgungsschrank dieser Art ist aus der EP 0 602 312 A1 bekannt. Flüssigkeitsversorgungsschränke für Offset-Druckmaschinen sind auch aus den EP 0 711 661 A2 , DE 101 33 309 A1 , DE 200 22 561 U1 und G 91 01 888.9 U1 bekannt. Eine Waschvorrichtung zum Reinigen von rotierenden Zylindern und Walzen ist aus der US 4,344,361 bekannt. Die DE 196 27 458 A1 und die DE 198 60 855 A1 zeigen jeweils eine Waschvorrichtung mit mehreren Waschkammern für eine Druckmaschine.A liquid supply cabinet of this kind is from the EP 0 602 312 A1 known. Fluid supply cabinets for offset printing machines are also from the EP 0 711 661 A2 . DE 101 33 309 A1 . DE 200 22 561 U1 and G 91 01 888.9 U1 known. A washing device for cleaning rotating cylinders and rollers is known from US 4,344,361 known. The DE 196 27 458 A1 and the DE 198 60 855 A1 each show a washing device with several washing chambers for a printing press.

Druckmaschinen benötigen verschiedene Prozessflüssigkeiten, beispielsweise Feuchtwasser für den Feuchtwasser Offset-Druck, Temperierwasser, beispielsweise Kühlwasser, zum Temperieren oder Kühlen von Druckmaschinenelementen wie insbesondere Zylinder und Walzen. Prozessflüssigkeit ist ferner auch Waschflüssigkeit, z. B. frisches Wasser, insbesondere Leitungswasser, und flüssiges Waschmittel zum Reinigen von Zylindern und Walzen von Druckmaschinen. Bei dem Waschmittel kann es sich um konventionelles Waschmittel oder um UV-Waschmittel handeln. UV-Waschmittel wird zum Entfernen von UV-Farben auf Walzen und Zylindern der Druckmaschine verwendet. UV-Farben sind Farben, welche durch Ultraviolettlicht auf dem bedruckten Stoff (Papierbahn oder Papierbögen oder Bahnen oder Bögen aus anderem Material) getrocknet werden können. Diese Prozessflüssigkeiten werden in einem oder in mehreren Flüssigkeitsversorgungsschränken in Behältern bevorratet und/oder konditioniert. Beispielsweise wird Feuchtwasser konditioniert, indem in einem Feuchtwassertank Alkohol oder Alkoholersatzmittel und/oder andere Zusatzmittel in einer bestimmten Menge mit Frischwasser vermischt werden.Printing presses require different process liquids, for example dampening water for dampening water, offset printing, tempering water, for example cooling water, for tempering or cooling printing press elements, in particular cylinders and rolls. Process liquid is also washing liquid, z. As fresh water, especially tap water, and liquid detergent for cleaning cylinders and rolls of printing presses. The detergent can be conventional detergent or UV detergent. UV detergent is used to remove UV inks on rollers and cylinders of the press. UV colors are colors which are caused by ultraviolet light on the printed fabric (paper web or paper sheets or Webs or sheets of other material) can be dried. These process liquids are stored and / or conditioned in containers in one or more liquid supply cabinets. For example, fountain solution is conditioned by mixing in a fountain solution tank alcohol or alcohol substitute and / or other additives in a certain amount with fresh water.

Durch die Erfindung soll die Aufgabe gelöst werden, eine Möglichkeit zu schaffen, durch welche Prozessflüssigkeiten in einem einzigen Flüssigkeitsversorgungsschrank unter kleinstmöglichem Raumbedarf untergebracht werden können. Die Lösung sollte möglichst preiswert sein.By the invention, the problem to be solved is to provide a way by which process liquids can be accommodated in a single liquid supply cabinet under the smallest possible space requirements. The solution should be as inexpensive as possible.

Diese Aufgabe wird gemäß der Erfindung durch die Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the features of claim 1.

Weitere Merkmale der Erfindung sind in den Unteransprüchen enthalten.Further features of the invention are contained in the subclaims.

Die Erfindung hat den Vorteil, dass der Mehrkammertank im Flüssigkeitsversorgungsschrank weniger Platz benötigt als eine den Kammern entsprechende Vielzahl von einzelnen Behältern. Dadurch wird weniger Raum beansprucht. Ferner besteht der Vorteil, dass der Mehrkammertank den inneren Platzverhältnissen im Flüssigkeitsversorgungsschrank angepasst werden kann. Beispielsweise können die Kammern auf verschiedenen Höhen angeordnet sein oder verschieden hoch oder verschieden breit gestaltet werden, je nach verfügbarem Platz in dem Flüssigkeitsversorgungsschrank.The invention has the advantage that the multi-chamber tank requires less space in the liquid supply cabinet than a plurality of individual containers corresponding to the chambers. This takes up less space. Furthermore, there is the advantage that the multi-chamber tank can be adapted to the internal space conditions in the liquid supply cabinet. For example, the chambers may be arranged at different heights or made of different heights or different widths, depending on the available space in the liquid supply cabinet.

Die Erfindung wird im Folgenden mit Bezug auf die hier beigefügte Zeichnung anhand einer bevorzugten Ausführungsform als Beispiel beschrieben. In der Zeichnung zeigtThe invention will be described below with reference to the accompanying drawings with reference to a preferred embodiment as an example. In the drawing shows

Fig. 1 schematisch einen Flüssigkeitsversorgungsschrank nach der Erfindung in Kombination mit einem schematisch dargestellten Druckwerk einer Feuchtwasser-Offset-Druckmaschine. Fig. 1 schematically a liquid supply cabinet according to the invention in combination with a schematically illustrated printing unit of a fountain solution offset printing machine.

Der in Fig. 1 schematisch dargestellte Flüssigkeitsschrank 2 nach der Erfindung enthält in einem Gehäuse 4 einen Mehrkammertank 6 mit mindestens drei Kammern, wobei Fig. 1 eine Ausführungsform mit fünf Kammern 8, 10, 12, 14 und 16 zeigt, in welchen sich jeweils eine Prozessflüssigkeit befindet. Beispielsweise befindet sich in der Kammer 8 Feuchtwasser, in der Kammer 10 konventionelles Waschmittel, in der Kammer 12 UV-Waschmittel, in der Kammer 14 Waschwasser (z. B. frisches Wasser, z. B. Leitungswasser) und in der Kammer 16 Temperierwasser, vorzugsweise Kühlwasser.The in Fig. 1 schematically illustrated liquid cabinet 2 according to the invention contains in a housing 4 a multi-chamber tank 6 with at least three chambers, wherein Fig. 1 shows an embodiment with five chambers 8, 10, 12, 14 and 16, in each of which a process fluid is located. For example, in the chamber 8 dampening water, in the chamber 10 conventional detergent, in the chamber 12 UV detergent, in the chamber 14 washing water (eg., Fresh water, eg., Tap water) and in the chamber 16 tempering, preferably cooling water.

Die Kammern sind nebeneinander, vorzugsweise mit den Kammerböden 18 in einer Ebene, angeordnet.The chambers are arranged side by side, preferably with the chamber bottoms 18 in a plane.

Der Flüssigkeitsversorgungsschrank 2 enthält eine Kälteanlage 20 zur Kühlung von mindestens einer der Prozessflüssigkeiten, beispielsweise des Feuchtwassers in der Feuchtwasserkammer 8 und/oder des Kühlwassers in der Kühlwasserkammer 16. Die Kälteanlage 20 enthält einen Kälteerzeuger, der ausgebildet ist, um durch wechselweises Verdichten und Entspannen eines Kältemittels Temperaturen tiefer als die Außenumgebungstemperatur des Flüssigkeitsversorgungsschrankes 2 zu erzeugen. Der Kälteerzeuger enthält beispielsweise in Strömungsrichtung des Kältemittels nacheinander einen Verdichter 22, eine Rücklaufsperre 24 (z. B. ein Rückschlagventil), einen Kältemittelkondensator 26 mit einem Gebläse 28, einen Kältemittelsammler 30, ein Kältemittelexpansionsventil 32 und einen Wärmetauscher 34, welcher an die Saugseite des Verdichters 22 angeschlossen ist. Es können mehrere Wärmetauscher 34 vorgesehen sein, welche parallel oder in Serie zueinander geschaltet sind. Beispielsweise zeigt Fig. 1 einen Wärmetauscher 34 zur Temperierung des Feuchtwassers in der Feuchtwasserkammer 8 und einen Wärmetauscher 35 zur Temperierung des Kühlwassers in der Kühlwasserkammer 16.The liquid supply cabinet 2 includes a refrigeration system 20 for cooling at least one of the process liquids, for example, the fountain solution in the fountain solution 8 and / or the cooling water in the cooling water chamber 16. The refrigeration system 20 includes a refrigerator, which is adapted to by alternately compressing and relaxing a Refrigerant temperatures lower than the ambient temperature of the liquid supply cabinet 2 to produce. The refrigeration device includes, for example in the flow direction of the refrigerant sequentially a compressor 22, a backstop 24 (eg., A check valve), a refrigerant condenser 26 with a fan 28, a refrigerant accumulator 30, a refrigerant expansion valve 32 and a heat exchanger 34, which on the suction side of Compressor 22 is connected. There may be provided a plurality of heat exchangers 34, which are connected in parallel or in series with each other. For example, shows Fig. 1 a heat exchanger 34 for tempering the fountain solution in the fountain solution 8 and a heat exchanger 35 for controlling the temperature of the cooling water in the cooling water chamber 16th

Zur Konditionierung von Feuchtwasser in der Feuchtwasserkammer 8 ist eine Dosiervorrichtung 40 zur Zudosierung von Alkohol oder von Alkoholersatzstoff und eine Dosiervorrichtung 42 zur Zudosierung von mindestens einem weiteren Zusatzmittel in das Feuchtwasser der Feuchtwasserkammer 8 im Flüssigkeitsversorgungsschrank 2 vorgesehen.For conditioning dampening water in the fountain solution chamber 8, a metering device 40 for adding alcohol or alcohol substitute and a metering device 42 for metering of at least one additional additive in the fountain solution of the fountain solution 8 in the liquid supply cabinet 2 is provided.

Ferner ist der Flüssigkeitsversorgungsschrank mit einem Vorlaufanschluss 44 und einem Rücklaufanschluss 46 versehen, an welche eine externe Vorlaufleitung 48 bzw. eine externe Rücklaufleitung 50 zur Rezirkulation von Feuchtwasser aus der Feuchtwasserkammer 8 zu einer Druckmaschine 52 und von dieser wieder zurück in die Feuchtwasserkammer 8 angeschlossen sind. Zwischen der Feuchtwasserkammer 8 und deren Vorlaufanschluss 44 befindet sich eine Leitung 66 mit einer Fördervorrichtung, z. B. einer Pumpe 68.Furthermore, the liquid supply cabinet is provided with a flow connection 44 and a return connection 46, to which an external supply line 48 and an external return line 50 for recirculation of fountain solution from the fountain solution 8 to a printing machine 52 and from this back into the fountain solution chamber 8 are connected. Between the fountain solution chamber 8 and the flow connection 44 is a line 66 with a conveyor, for. B. a pump 68th

Der Flüssigkeitsversorgungsschrank 2 ist mit einem Vorlaufanschluss 54 und einem Rücklaufanschluss 56 versehen, an welche externe Leitungen 58 bzw. 60 anschließbar sind zur Rezirkulation von Kühlwasser von der Kühlwasserkammer 16 zu zu kühlenden Elementen, z. B. Zylinder oder Walzen der Druckmaschine 52. In einer Verbindungsleitung 62 zwischen der Kühlwasserkammer 16 und dem Vorlaufanschluss 54 befindet sich eine Fördervorrichtung, z. B. eine Pumpe 64.The liquid supply cabinet 2 is provided with a flow connection 54 and a return connection 56, to which external lines 58 and 60 can be connected for recirculation of cooling water from the cooling water chamber 16 to be cooled elements, for. B. cylinders or rollers of the printing machine 52. In a connecting line 62 between the cooling water chamber 16 and the flow connection 54 is a conveying device, for. B. a pump 64th

Die Frischwasserkammer 14 ist über eine Pumpe 70 in einer Leitung 71 an einen Frischwasserauslassanschluss 72 des Flüssigkeitsversorgungsschrankes angeschlossen. Die eine Waschmittelkammer 10 ist über eine Pumpe 73 in einer Leitung 74 an einen Waschmittelauslassanschluss 75, und die andere Waschmittelkammer 12 ist über eine Pumpe 76 in einer Leitung 77 an einen Waschmittelauslassanschluss 78 des Flüssigkeitsversorgungsschrankes 2 angeschlossen. Gemäß einer anderen Ausführungsform der Erfindung könnten zwei oder alle drei der Waschmittelkammern 10 und 12 und der Frischwasserkammer 14 durch eine gemeinsame Pumpe anstatt über separate Pumpen mit einem der Auslassanschlüsse 72, 75, 78 verbunden sein. In den Leitungen 62, 66, 71, 74 und/oder 77 kann ein Ventil angeordnet sein, wie dies durch die Ventile 79, 80 und 81 als Beispiele in den Zeichnungen dargestellt ist.The fresh water chamber 14 is connected via a pump 70 in a line 71 to a Frischwasserauslassanschluss 72 of the liquid supply cabinet. The one detergent chamber 10 is connected via a pump 73 in a line 74 to a Waschmittelauslassanschluss 75, and the other detergent chamber 12 is connected via a pump 76 in a line 77 to a Waschmittelauslassanschluss 78 of the liquid supply cabinet 2. According to another embodiment of the invention, two or all three of the detergent chambers 10 and 12 and the fresh water chamber 14 could be connected to one of the outlet ports 72, 75, 78 by a common pump rather than separate pumps. A valve may be disposed in lines 62, 66, 71, 74 and / or 77, as illustrated by valves 79, 80 and 81 as examples in the drawings.

An die Waschmittelauslassanschlüsse 75 und 78 und den Frischwasserauslassanschluss 72 sind separate oder eine gemeinsame externe Leitung 82 zur Zufuhr der betreffenden Flüssigkeit zur Druckmaschine 52 anschließbar.Separate or a common external line 82 for supplying the relevant liquid to the printing press 52 can be connected to the detergent outlet connections 75 and 78 and the fresh water outlet connection 72.

Ferner ist der Versorgungsschrank mit einem Frischwassereinlassanschluss 84 versehen, über welchen den Kammer 8, 10, 12, 14 und/oder 16 Frischwasser (für 16 nicht dargestellt), zuführbar ist.Furthermore, the supply cabinet is provided with a fresh water inlet connection 84, via which the chamber 8, 10, 12, 14 and / or 16 fresh water (not shown for 16), can be fed.

Von dem Frischwassereinlassanschluss 84 führt eine Leitung 86 durch Ventile 88 und 90 zu jeder der Kammern, welche Frischwasser benötigen, beispielsweise zu der Frischwasserkammer 14 und der Feuchtwasserkammer 8. Jedoch können auch die anderen Kammern mit Frischwasser versorgt werden, wenn dies erforderlich ist.From the fresh water inlet port 84, a conduit 86 passes through valves 88 and 90 to each of the chambers which require fresh water, for example to the fresh water chamber 14 and the fountain solution chamber 8. However, fresh water may also be supplied to the other chambers as required.

Zur Steuerung der Ventile und Pumpen, vorzugsweise auch der Dosiervorrichtungen 40 und 42 und/oder der Kälteanlage 20, ist eine elektrische Steuereinrichtung 100 im oder am Flüssigkeitsversorgungsschrank 2 vorgesehen. Ferner ist im oder am Flüssigkeitsversorgungsschrank 2 eine elektrische Steuereinrichtung 102 zur Steuerung von einer oder mehreren Waschvorrichtungen 104 der Druckmaschine 52 vorgesehen. Solche Waschvorrichtungen sind bekannt beispielsweise in Form eines Waschbalkens, durch welchen, z. B. mittels eines Waschtuches oder einer Bürste, Zylinder 106, 108 oder 110 eines Druckwerkes und Walzen 112 eines Farbwerkes und/oder Walzen 114 eines Feuchtwerkes der Feuchtwasser-Offset-Druckmaschine 52 reinigbar sind.For controlling the valves and pumps, preferably also the metering devices 40 and 42 and / or the refrigeration system 20, an electric control device 100 is provided in or on the liquid supply cabinet 2. Furthermore, an electrical control device 102 for controlling one or more washing devices 104 of the printing press 52 is provided in or on the liquid supply cabinet 2. Such washing devices are known, for example in the form of a washing bar, through which, for. Example by means of a wash cloth or a brush, cylinder 106, 108 or 110 of a printing unit and rollers 112 of an inking unit and / or rollers 114 of a dampening unit of the fountain solution offset printing machine 52 are cleaned.

Die beiden Steuereinrichtungen 100 und 102 können einzelne Module sein, vorzugsweise zusammensteckbare Module, und können getrennte oder vorzugsweise eine gemeinsame elektrische Schnittstelle 120 im oder am Flüssigkeitsversorgungsschrank 20 aufweisen, durch welche sie an eine übergeordnete elektrische Steuereinrichtung 122 der Druckmaschine 52 anschließbar sind.The two control devices 100 and 102 may be individual modules, preferably plug-together modules, and may have separate or preferably a common electrical interface 120 in or on the liquid supply cabinet 20, by which they can be connected to a higher-level electrical control device 122 of the printing machine 52.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist anstatt der beiden einzelnen Steuereinrichtungen 100 und 102 eine einzige gemeinsame elektrische Steuereinrichtung 100/102 vorgesehen, welche die Funktionen von beiden einzelnen Steuereinrichtungen erfüllt und über die Schnittstelle 120 mit der übergeordneten Steuerung 122 der Druckmaschine 52 verbindbar ist.According to a preferred embodiment of the invention, instead of the two individual control devices 100 and 102, a single common electrical control device 100/102 is provided, which fulfills the functions of both individual control devices and can be connected to the higher-level control 122 of the printing machine 52 via the interface 120.

Claims (10)

  1. Liquid supply cabinet for offset printing presses, comprising a multiple-chamber tank (6) having a plurality of chambers (8, 10, 12, 14, 16) for receiving in each case one printing-press process liquid; a refrigerating machine (20) for cooling at least one of the process liquids, the refrigerating machine (20) having a cold generator which is configured in order to produce temperatures lower than the external surrounding temperature of the liquid supply cabinet by alternate compressing and expanding of a refrigerant; one (8) of the chambers being a dampening-solution chamber for conditioning dampening solution for dampening-solution offset printing, and a fresh-water feed line (86) into the dampening-solution chamber (8), at least one metering apparatus (40, 42) for metering at least one dampening-solution conditioning agent into the dampening-solution chamber (8), an inflow connection (44) and a return connection (46) for recirculating dampening solution from the dampening-solution chamber (8) to a dampening-solution offset printing press and from the latter back into the dampening-solution chamber being provided; moreover, one of the chambers (16) being a cooling-water chamber which contains refrigerated cooling water, and the liquid supply cabinet being provided with an inflow connection (54) and with a return connection (56) for the cooling water for connection to an element to be cooled of a printing press; characterized in that at least one, preferably two of the chambers (10, 12, 14) are washing-liquid chambers, in that at least one washing-liquid outlet connection (72, 75, 78) is provided for connection of an external washing-liquid line (82) to a printing press (52), and in that liquid connections (71, 74, 77) are provided between the washing-liquid chambers (10, 12) and the at least one washing-liquid outlet connection (72, 75, 78).
  2. Liquid supply cabinet according to Claim 1, characterized in that the chambers (8, 10, 12, 14, 16) are arranged next to one another, preferably with the chamber bottoms (18) in one plane.
  3. Liquid supply cabinet according to Claim 1 or 2,
    characterized in that at least one washing-liquid chamber (10) is provided for conventional washing liquid and at least one washing-liquid chamber (12) is provided for UV washing liquid for removing UV inks.
  4. Liquid supply cabinet according to at least one of the preceding claims, characterized in that one of the chambers (14) is a fresh-water chamber for storing fresh water, and in that a fresh-water feed line (86) into the fresh-water chamber (14) and a fresh-water dispensing line (71) having a delivery apparatus (70) for dispensing fresh water from the fresh-water chamber (14) are provided.
  5. Liquid supply cabinet according to at least one of the preceding claims, characterized in that the multiple-chamber tank (6) is arranged at a service height which is ergonomically favourable for adult persons.
  6. Liquid supply cabinet according to at least one of the preceding claims, characterized by an electric control device (100) for controlling the supply of liquid from the chambers (8, 10, 12, 14, 16) to a printing press.
  7. Liquid supply cabinet according to at least one of the preceding claims, characterized by an electric control device (102) for controlling a cleaning apparatus (104) for cleaning rotating cylinders or rotating rolls of a printing press.
  8. Liquid supply cabinet according to Claims 6 and 7, characterized by a common interface (120) for both control devices (100, 102), by means of which common interface (120) the electric control devices can be connected to a printing-press controller (122) of a printing press.
  9. Liquid supply cabinet according to one of Claims 1 to 5, characterized by an electric control device (100/102) for controlling the supply of liquid from the chambers (8, 10, 12, 14, 16) to a printing press and for controlling a cleaning apparatus (104) for cleaning rotating cylinders or rotating rolls of a printing press.
  10. Liquid supply cabinet according to Claim 9, characterized in that the control device (100/102) has an interface (120), by means of which it can be connected to an electric control device (122) of a printing press.
EP20050020872 2004-12-30 2005-09-24 Liquid supply cabinet for offset printing machines Expired - Fee Related EP1679186B1 (en)

Applications Claiming Priority (1)

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DE200410063790 DE102004063790A1 (en) 2004-12-30 2004-12-30 Liquid supply cabinet for offset printing machines

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EP1679186A2 EP1679186A2 (en) 2006-07-12
EP1679186A3 EP1679186A3 (en) 2007-04-25
EP1679186B1 true EP1679186B1 (en) 2008-09-17

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DE (2) DE102004063790A1 (en)

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CN102729614B (en) * 2011-03-29 2016-07-06 海德堡印刷机械股份公司 For the method supplied water to the wash mill of printer

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Also Published As

Publication number Publication date
DE502005005391D1 (en) 2008-10-30
EP1679186A2 (en) 2006-07-12
DE102004063790A1 (en) 2006-07-13
EP1679186A3 (en) 2007-04-25

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