EP1132211B1 - Cleaning device for a rotary printing machine - Google Patents

Cleaning device for a rotary printing machine Download PDF

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Publication number
EP1132211B1
EP1132211B1 EP01102080A EP01102080A EP1132211B1 EP 1132211 B1 EP1132211 B1 EP 1132211B1 EP 01102080 A EP01102080 A EP 01102080A EP 01102080 A EP01102080 A EP 01102080A EP 1132211 B1 EP1132211 B1 EP 1132211B1
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EP
European Patent Office
Prior art keywords
cleaning device
trough
liquid
linear drive
doctored
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
EP01102080A
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German (de)
French (fr)
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EP1132211A3 (en
EP1132211A2 (en
Inventor
Jürgen Schölzig
Uwe Püschel
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Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1132211A2 publication Critical patent/EP1132211A2/en
Publication of EP1132211A3 publication Critical patent/EP1132211A3/en
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Publication of EP1132211B1 publication Critical patent/EP1132211B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/04—Cleaning arrangements or devices for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/21—Scrapers, e.g. absorbent pads

Definitions

  • the invention relates to a cleaning device for a Roller of a rotary printing press with one to be cleaned Roller adjustable squeegee, one of the roller scraped-off liquid collecting tray and a collecting container, the scrubbed liquid from the tub is supplied via a line.
  • a cleaning device of the specified type is known from DE 44 24 587 C2.
  • the known cleaning device consists of an open top squeegee with a squeegee blade, to a paint-carrying roller, e.g. an ink driver is switched on and off.
  • On the squeegee tray is one detachable cover attached, which closes the squeegee tray.
  • the cover can be manual, with a guide gear or a swivel mechanism removed and placed become.
  • the cover is with a piping system provided for the extraction of the bringssakelten liquid in a collection container is used.
  • From DE 298 13 146 U1 is a cleaning device in a printing machine known with a to be cleaned Roller adjustable squeegee and one of the roller scoured liquid collecting pan with a Lid, which closes the tub in the rest position and when adjusting the tub in the working position of an opening device is opened and kept open. This is intended to be the liquid in the tub be effectively protected from evaporation.
  • the invention is based on the object, a cleaning device to create the type mentioned, the can be automatically emptied and cleaned so that manual intervention and removal of the pan for the purpose cleaning is not required.
  • the scraped liquid immediately above the drain line drain into the deeper collecting container, so that eliminates a removal and emptying of the tub.
  • the collection container can be accessed on the side of the printing press be arranged so that it can be easily emptied if necessary or can exchange for an empty container. Scoured liquid, due to its viscosity only insufficiently gets into the drain line, is of the Conveyor transported there. A cleaning of the Pan by hand and the formation of residues is thereby avoided. The cleaning device can thus automatically emptied and kept operational.
  • the conveyor may according to an advantageous embodiment the invention consist of a slide whose Form is adapted to the cross-sectional profile of the tub and by means of a linear drive in the longitudinal direction in the Tub is movable back and forth. It is advantageous if the tub at its two ends to the drain line has connected openings.
  • the slider can additionally be provided with a scraper with a wiper edge on the top of the doctor rests and when moving the slider back and forth, liquid from the Surface of the squeegee strips off.
  • the linear drive of the Slider can be made of a moving along the tub traction means, e.g. a chain, a belt or a rope exist, which has suitable guide means, such as rollers or the like is guided.
  • a linear drive a spindle-nut transmission, a hydraulic or pneumatic Lifting cylinder or an electric linear drive be provided.
  • the conveyor from a rotationally driven screw conveyor exist, with the bottom of the tub a to the Rorationskontur the screw adapted cylindrical Has shape.
  • the coiled wall of the screw conveyor can be rigid or be flexible, it can also be radial to the axis of rotation arranged bristles consist whose ends the cylindrical Touch the bottom of the tub.
  • the transport of the scraped off liquid through the drainage pipe in the collecting container can by a Extraction system to be supported.
  • the extraction system is used at the same time to suck liquid vapors.
  • a collection container For example, a disposable container, e.g. a bag Serve plastic, which together with the filled, discarded liquid is discarded. But it can too a stationary collecting container may be provided which is in is emptied at certain intervals.
  • the volume of Collection container can be sized so large that he scoured liquid from several cleaning devices can record.
  • FIG. 1 is a plate cylinder 1 and a blanket cylinder 2 of an offset printing unit of a rotary printing machine shown.
  • a dampening unit 3 for coloring the plate cylinder 1 are a dampening unit 3 and an inking unit 4 are provided.
  • an inking unit 4 are provided.
  • the Inking unit 4 are applied to the plate cylinder inking rollers 5 and with these interacting color drivers 7.
  • On the left color driver 7 is one through a Actuator 6 on and off adjustable cleaning device 10, which has a squeegee 8 and a squeegee Fluid receiving, open trough 9 has.
  • FIG. 2 shows a first embodiment of the cleaning device 10, wherein the trough 9 as open at the top, cuboid Box is formed, which at its the color driver 7 facing upper edge of the squeegee 8 carries.
  • the tub 9 is connected at its two ends to drain lines 11, leading to a collection container 12.
  • the entrance openings the drain lines 11 are located each in the bottom of the tub 9.
  • a plate-shaped slider 13 which is parallel to the front side Ends of the tub 9 is aligned and sliding the bottom and the side walls of the tub 9 abuts. Of the Slider 13 is protruding with a from the tub 9 Provided scraper 14 which engages over the doctor blade 8 and with a scraping edge rests against the doctor blade 8.
  • the slider 13 is held by a drive means 15 and in Longitudinal direction of the tub 9 reciprocates.
  • the drive device has a led through the tub, flexible traction means 16 on which the slider 13 is attached is.
  • the traction means 16 is not shown above Guides, e.g. Rolls led and is by one Drive motor 17 movable in both directions of pull.
  • FIG. 3 shows an embodiment of the cleaning device 10, in which in the tub 9 one of a motor 18th rotatably driven screw conveyor 19 is arranged.
  • the inner diameter of the outer diameter of the screw conveyor 19 corresponds.
  • the cleaning process of the Squeegee 8 scraped off liquid by turning the screw conveyor 19 in the arrow direction to the drive end transported opposite end of the screw conveyor 19 and enters there in the front wall of the trough. 9 located inlet opening of the collection container 12th leading discharge line 11.
  • the screw conveyor 19 can at its two ends or even at its drive end be rotatably mounted.
  • the coiled wall of the Conveyor screw 19 may be made of metal, a stiff or soft Plastic or made of bristles.

Abstract

The printing machine has a trough (9) mounted on movable arms (6) for adjustment with respect to the roller (7). Ink scraped off the roller by a doctor blade falls into the trough. There are drains (11) in the ends of the floor of the trough, leading to a collecting tank (12). There is a paddle (13) which is moved along the trough by a drive motor (17) pulling on a wire.

Description

Die Erfindung betrifft eine Reinigungsvorrichtung für eine Walze einer Rotationsdruckmaschine mit einer an die zu reinigende Walze anstellbaren Rakel, einer die von der Walze abgerakelte Flüssigkeit auffangenden Wanne und einem Sammelbehälter, dem die abgerakelte Flüssigkeit aus der Wanne über eine Leitung zugeführt wird.The invention relates to a cleaning device for a Roller of a rotary printing press with one to be cleaned Roller adjustable squeegee, one of the roller scraped-off liquid collecting tray and a collecting container, the scrubbed liquid from the tub is supplied via a line.

Eine Reinigungsvorrichtung der angegebenen Art ist aus der DE 44 24 587 C2 bekannt. Die bekannte Reinigungsvorrichtung besteht aus einer oben offenen Rakelwanne mit einem Rakelblatt, das an eine farbführende Walze, z.B. einen Farbreiber an- und abstellbar ist. Auf die Rakelwanne ist eine lösbare Abdeckung aufgesetzt, die die Rakelwanne verschließt. Die Abdeckung kann manuell, mit einem Führungsgetriebe oder einem Schwenkmechanismus abgenommen und aufgesetzt werden. Die Abdeckung ist mit einem Leitungssystem versehen, das zur Absaugung der abgerakelten Flüssigkeit in einen Sammelbehälter dient. Zusätzlich kann ein weiteres Leitungssystem mit der Abdeckung verbunden sein, durch welches Reinigungsflüssigkeit aus einem vorgeordneten Vorratsbehälter unter Hochdruck zugeführt wird und als Prallstrahl auf die Walze sowie die Rakelwanne gerichtet werden kann. Bei der bekannten Reinigungsvorrichtung besteht das Problem, daß die abgerakelte Flüssigkeit nur unvollkommen aus der Rakelwanne entfernt werden kann und sich Rückstände bilden können, die von Zeit zu Zeit von Hand entfernt werden müssen, wozu das Ausbauen der Rakelwanne erforderlich ist.A cleaning device of the specified type is known from DE 44 24 587 C2. The known cleaning device consists of an open top squeegee with a squeegee blade, to a paint-carrying roller, e.g. an ink driver is switched on and off. On the squeegee tray is one detachable cover attached, which closes the squeegee tray. The cover can be manual, with a guide gear or a swivel mechanism removed and placed become. The cover is with a piping system provided for the extraction of the abgesakelten liquid in a collection container is used. In addition, another Line system to be connected to the cover through which Cleaning fluid from an upstream reservoir is supplied under high pressure and as an impact jet can be directed to the roller and the squeegee tray. In the known cleaning device, the problem is that the scraped off liquid only imperfectly The squeegee tray can be removed and become residue can be removed from time to time by hand which requires removing the squeegee tray is.

Aus der DE 298 13 146 U1 ist eine Reinigungsvorrichtung in einer Druckmaschine bekannt mit einer an eine zu reinigende Walze anstellbaren Rakel und einer die von der Walze abgerakelte Flüssigkeit auffangenden Wanne mit einem Deckel, der die Wanne in der Ruhestellung verschließt und der bei Verstellung der Wanne in die Arbeitsstellung von einer Öffnungseinrichtung geöffnet und offen gehalten wird. Hierdurch soll die in der Wanne befindliche Flüssigkeit wirksam vor Verdunstung geschützt werden.From DE 298 13 146 U1 is a cleaning device in a printing machine known with a to be cleaned Roller adjustable squeegee and one of the roller scoured liquid collecting pan with a Lid, which closes the tub in the rest position and when adjusting the tub in the working position of an opening device is opened and kept open. This is intended to be the liquid in the tub be effectively protected from evaporation.

Der Erfindung liegt die Aufgabe zugrunde, eine Reinigungsvorrichtung der eingangs genannten Art zu schaffen, die automatisch entleert und gereinigt werden kann, so daß manuelles Eingreifen und das Ausbauen der Wanne zum Zwecke der Reinigung nicht erforderlich ist.The invention is based on the object, a cleaning device to create the type mentioned, the can be automatically emptied and cleaned so that manual intervention and removal of the pan for the purpose cleaning is not required.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Wanne durch eine in Bodennähe mündende Entleerungsleitung mit dem Sammelbehälter verbunden ist und daß in der Wanne eine Fördereinrichtung angeordnet ist, durch die die abgerakelte Flüssigkeit periodisch oder kontinuierlich in die Entleerungsleitung transportierbar ist.This object is achieved in that the Tub through a discharge line opening near the floor is connected to the sump and that in the tub a conveyor is arranged, through which the scraped off liquid periodically or continuously in the drain line is transportable.

Bei der erfindungsgemäßen Reinigungsvorrichtung kann die abgerakelte Flüssigkeit unmittelbar über die Entleerungsleitung in den tieferliegenden Sammelbehälter abfließen, so daß ein Ausbauen und Entleeren der Wanne entfällt. Der Sammelbehälter kann zugänglich an der Seite der Druckmaschine angeordnet sein, damit man ihn bei Bedarf leicht leeren oder gegen einen leeren Sammelbehälter austauschen kann. Abgerakelte Flüssigkeit, die aufgrund ihrer Viskosität nur ungenügend in die Entleerungsleitung gelangt, wird von der Fördereinrichtung dorthin transportiert. Eine Reinigung der Wanne von Hand und die Bildung von Rückständen wird dadurch vermieden. Die Reinigungsvorrichtung kann somit automatisch entleert und betriebsbereit gehalten werden.In the cleaning device according to the invention, the scraped liquid immediately above the drain line drain into the deeper collecting container, so that eliminates a removal and emptying of the tub. The collection container can be accessed on the side of the printing press be arranged so that it can be easily emptied if necessary or can exchange for an empty container. Scoured liquid, due to its viscosity only insufficiently gets into the drain line, is of the Conveyor transported there. A cleaning of the Pan by hand and the formation of residues is thereby avoided. The cleaning device can thus automatically emptied and kept operational.

Die Fördereinrichtung kann nach einer vorteilhaften Ausgestaltung der Erfindung aus einem Schieber bestehen, dessen Form an das Querschnittsprofil der Wanne angepaßt ist und der mit Hilfe eines Linearantriebs in Längsrichtung in der Wanne hin und her bewegbar ist. Hierbei ist es vorteilhaft, wenn die Wanne an ihren beiden Enden an die Entleerungsleitung angeschlossene Öffnungen hat. Der Schieber kann zusätzlich mit einem Abstreifer versehen sein, der mit einer Abstreifkante an der Oberseite der Rakel anliegt und beim Hin- und Herbewegen des Schiebers Flüssigkeit von der Oberfläche der Rakel abstreift. Der Linearantrieb des Schiebers kann aus einem längs der Wanne beweglichen Zugmittel, z.B. einer Kette, einem Riemen oder einem Seil bestehen, welches über geeignete Führungsmittel, wie Rollen oder dergleichen geführt ist. Ebenso kann als Linearantrieb ein Spindel-Mutter-Getriebe, ein hydraulischer oder pneumatischer Hubzylinder oder ein elektrischer Linearantrieb vorgesehen sein.The conveyor may according to an advantageous embodiment the invention consist of a slide whose Form is adapted to the cross-sectional profile of the tub and by means of a linear drive in the longitudinal direction in the Tub is movable back and forth. It is advantageous if the tub at its two ends to the drain line has connected openings. The slider can additionally be provided with a scraper with a wiper edge on the top of the doctor rests and when moving the slider back and forth, liquid from the Surface of the squeegee strips off. The linear drive of the Slider can be made of a moving along the tub traction means, e.g. a chain, a belt or a rope exist, which has suitable guide means, such as rollers or the like is guided. Likewise, as a linear drive a spindle-nut transmission, a hydraulic or pneumatic Lifting cylinder or an electric linear drive be provided.

Nach einem weiteren Vorschlag der Erfindung kann die Fördereinrichtung aus einer drehend antreibbaren Förderschnecke bestehen, wobei der Boden der Wanne eine an die Rorationskontur der Förderschnecke angepaßte zylindrische Form hat. Die gewendelte Wand der Förderschnecke kann starr oder flexibel sein, sie kann auch aus radial zur Drehachse angeordneten Borsten bestehen, deren Enden den zylindrischen Boden der Wanne berühren.According to a further proposal of the invention, the conveyor from a rotationally driven screw conveyor exist, with the bottom of the tub a to the Rorationskontur the screw adapted cylindrical Has shape. The coiled wall of the screw conveyor can be rigid or be flexible, it can also be radial to the axis of rotation arranged bristles consist whose ends the cylindrical Touch the bottom of the tub.

Der Transport der abgerakelten Flüssigkeit durch die Entleerungsleitung in den Sammelbehälter kann durch eine Absauganlage unterstützt werden. Die Absauganlage dient gleichzeitig dazu, Flüssigkeitsdämpfe abzusaugen. Als Sammelbehälter kann ein Einwegbehälter, z.B. eine Tüte aus Kunststoff dienen, der zusammen mit der eingefüllten, abgerakelten Flüssigkeit entsorgt wird. Es kann aber auch ein stationärer Sammelbehälter vorgesehen sein, der in bestimmten Zeitabständen entleert wird. Das Volumen des Sammelbehälters kann so groß bemessen sein, daß er die abgerakelte Flüssigkeit mehrerer Reinigungsvorrichtungen aufnehmen kann.The transport of the scraped off liquid through the drainage pipe in the collecting container can by a Extraction system to be supported. The extraction system is used at the same time to suck liquid vapors. As a collection container For example, a disposable container, e.g. a bag Serve plastic, which together with the filled, discarded liquid is discarded. But it can too a stationary collecting container may be provided which is in is emptied at certain intervals. The volume of Collection container can be sized so large that he scoured liquid from several cleaning devices can record.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert, die in der Zeichnung dargestellt sind. Es zeigen

Figur 1
einen Ausschnitt des Farbwerks einer Druckmaschine mit einer Reinigungsvorrichtung gemäß der Erfindung,
Figur 2
eine Ausführungsform einer erfindungsgemäßen Reinigungsvorrichtung mit einem Schieber und
Figur 3
eine Ausführungsform einer erfindungsgemäßen Reinigungsvorrichtung mit einer Förderschnecke.
The invention will be explained in more detail by means of embodiments which are illustrated in the drawing. Show it
FIG. 1
a detail of the inking unit of a printing press with a cleaning device according to the invention,
FIG. 2
an embodiment of a cleaning device according to the invention with a slider and
FIG. 3
an embodiment of a cleaning device according to the invention with a screw conveyor.

In Figur 1 ist ein Plattenzylinder 1 und ein Gummituchzylinder 2 eines Offset-Druckwerks einer Rotationsdruckmaschine gezeigt. Zur Einfärbung des Plattenzylinders 1 sind ein Feuchtwerk 3 und ein Farbwerk 4 vorgesehen. Von dem Farbwerk 4 sind an dem Plattenzylinder anliegende Farbauftragwalzen 5 und mit diesen zusammenwirkende Farbreiber 7 gezeigt. An dem linken Farbreiber 7 ist eine durch eine Stellvorrichtung 6 an- und abstellbare Reinigungsvorrichtung 10 angeordnet, die eine Rakel 8 und eine die abgerakelte Flüssigkeit aufnehmende, offene Wanne 9 aufweist. In Figure 1 is a plate cylinder 1 and a blanket cylinder 2 of an offset printing unit of a rotary printing machine shown. For coloring the plate cylinder 1 are a dampening unit 3 and an inking unit 4 are provided. Of the Inking unit 4 are applied to the plate cylinder inking rollers 5 and with these interacting color drivers 7. On the left color driver 7 is one through a Actuator 6 on and off adjustable cleaning device 10, which has a squeegee 8 and a squeegee Fluid receiving, open trough 9 has.

Figur 2 zeigt eine erste Ausführungsform der Reinigungsvorrichtung 10, wobei die Wanne 9 als oben offener, quaderförmiger Kasten ausgebildet ist, der an seinem dem Farbreiber 7 zugekehrten oberen Rand die Rakel 8 trägt. Die Wanne 9 ist an ihren beiden Enden an Entleerungsleitungen 11 angeschlossen, die zu einem Sammelbehälter 12 führen. Die Eintrittsöffnungen der Entleerungsleitungen 11 befinden sich jeweils im Boden der Wanne 9. In der Wanne 9 befindet sich ein plattenförmiger Schieber 13, der parallel zu den stirnseitigen Enden der Wanne 9 ausgerichtet ist und gleitend an dem Boden und den Seitenwänden der Wanne 9 anliegt. Der Schieber 13 ist mit einem aus der Wanne 9 herausragenden Abstreifer 14 versehen, der die Rakel 8 übergreift und mit einer Abstreifkante an der Rakel 8 anliegt. Der Schieber 13 wird von einer Antriebseinrichtung 15 gehalten und in Längsrichtung der Wanne 9 hin und her bewegt. Die Antriebseinrichtung weist ein durch die Wanne hindurchgeführtes, flexibles Zugmittel 16 auf, an dem der Schieber 13 befestigt ist. Das Zugmittel 16 wird über nicht dargestellte Führungen, z.B. Rollen geführt und ist durch einen Antriebsmotor 17 in beiden Zugrichtungen bewegbar.FIG. 2 shows a first embodiment of the cleaning device 10, wherein the trough 9 as open at the top, cuboid Box is formed, which at its the color driver 7 facing upper edge of the squeegee 8 carries. The tub 9 is connected at its two ends to drain lines 11, leading to a collection container 12. The entrance openings the drain lines 11 are located each in the bottom of the tub 9. In the tub 9 is located a plate-shaped slider 13, which is parallel to the front side Ends of the tub 9 is aligned and sliding the bottom and the side walls of the tub 9 abuts. Of the Slider 13 is protruding with a from the tub 9 Provided scraper 14 which engages over the doctor blade 8 and with a scraping edge rests against the doctor blade 8. The slider 13 is held by a drive means 15 and in Longitudinal direction of the tub 9 reciprocates. The drive device has a led through the tub, flexible traction means 16 on which the slider 13 is attached is. The traction means 16 is not shown above Guides, e.g. Rolls led and is by one Drive motor 17 movable in both directions of pull.

Zum Reinigen des Farbwerks 4 wird mit Hilfe einer Sprüheinrichtung stromaufwärts im Walzenzug dem Farbwerk 4 eine Reinigungsflüssigkeit zugeführt. Die Walzen werden in Drehung versetzt und durch die über den Walzenzug transportierte Reinigungsflüssigkeit gereinigt. Durch Anstellen der Rakel 8 an den stromabwärts befindlichen Farbreiber 7 wird das Flüssigkeitsgemisch aus Reinigungsflüssigkeit, gelöster Farbe und Wasser aus dem Farbwerk entfernt. Die abgerakelte Flüssigkeit gelangt in die Wanne 9 und von dort über die Entleerungsleitungen 11 in den Sammelbehälter 12. Um die Entleerung der Wanne 9 zu verbessern und nach Beendigung des Reinigungsvorgangs die Rakel 8 und die Wanne 9 zu reinigen, wird beispielsweise über den Leitstand der Druckmaschine der Antriebsmotor 17 angesteuert und der Schieber 13 mit dem Abstreifer 14 mehrfach in Längsrichtung der Rakelwanne 9 hin und her bewegt. Hierdurch werden Reste der abgerakelten Flüssigkeit von der Rakel 8 sowie den Seitenwänden und dem Boden der Wanne 9 abgestreift und in die Entleerungsleitungen 10 gefördert.To clean the inking unit 4 is using a spray upstream in the compactor the inking unit 4 a Supplied cleaning fluid. The rollers are turning offset and transported by the over the compactor Cleaning fluid cleaned. By hiring the Squeegee 8 to the downstream color driver 7 is the liquid mixture of cleaning liquid, dissolved Color and water removed from the inking unit. The scraped off Liquid enters the tub 9 and from there via the Emptying 11 into the sump 12. To the Emptying the tub 9 to improve and after completion cleaning the squeegee 8 and the tub 9, for example, via the control station of the printing press the drive motor 17 is driven and the slider 13th with the scraper 14 several times in the longitudinal direction of the doctor blade 9 moved back and forth. As a result, remains of the doctored off liquid from the doctor blade 8 and the side walls and the bottom of the tub 9 and stripped in the Discharge lines 10 promoted.

Figur 3 zeigt eine Ausführungsform der Reinigungsvorrichtung 10, bei der in der Wanne 9 eine von einem Motor 18 drehend angetriebene Förderschnecke 19 angeordnet ist. Der Boden der Wanne 9 hat hierbei die Form eines Halbzylinders, dessen Innendurchmesser dem Außendurchmesser der Förderschnecke 19 entspricht. Die beim Reinigungsvorgang von der Rakel 8 abgerakelte Flüssigkeit wird durch Drehen der Förderschnecke 19 in Pfeilrichtung zu dem dem Antriebsende entgegengesetzten Ende der Förderschnecke 19 transportiert und gelangt dort in die in der Stirnwand der Wanne 9 befindliche Eintrittsöffnung der zu dem Sammelbehälter 12 führenden Entleerungsleitung 11. Die Förderschnecke 19 kann an ihren beiden Enden oder auch nur an ihrem Antriebsende drehbar gelagert sein. In letzteren Falle erfolgt die Lagerung des freien Endes der Förderschnecke 19 durch den Boden der Wanne 9, wobei die gewendelte Wand der Förderschnecke 19 auf dem Boden lose aufliegt. Die gewendelte Wand der Förderschnecke 19 kann aus Metall, einem steifen oder weichen Kunststoff oder auch aus Borsten bestehen.FIG. 3 shows an embodiment of the cleaning device 10, in which in the tub 9 one of a motor 18th rotatably driven screw conveyor 19 is arranged. Of the Bottom of the tub 9 in this case has the shape of a half-cylinder, the inner diameter of the outer diameter of the screw conveyor 19 corresponds. The cleaning process of the Squeegee 8 scraped off liquid by turning the screw conveyor 19 in the arrow direction to the drive end transported opposite end of the screw conveyor 19 and enters there in the front wall of the trough. 9 located inlet opening of the collection container 12th leading discharge line 11. The screw conveyor 19 can at its two ends or even at its drive end be rotatably mounted. In the latter case storage takes place the free end of the screw conveyor 19 through the bottom the tub 9, wherein the coiled wall of the screw conveyor 19 rests loosely on the floor. The coiled wall of the Conveyor screw 19 may be made of metal, a stiff or soft Plastic or made of bristles.

Claims (12)

  1. Cleaning device for a roll of a rotary printing machine, having a doctor that can be set against the roll to be cleaned, a trough to collect liquid doctored off the roll and a collecting container, to which the liquid doctored off is fed from the trough via a line, characterized in that the trough (9) is connected to the collecting container (12) by an emptying line (11) that opens close to the bottom; and in that in the trough (9) there is arranged a conveying device, by means of which the liquid doctored off can be transported periodically or continuously into the emptying line (11).
  2. Cleaning device according to Claim 1, characterized in that the conveying device has a sliding plate (13) of which the shape is matched to the cross-sectional profile of the trough (9) and which can be moved to and fro in the longitudinal direction in the trough (9) with the aid of a linear drive (16, 17).
  3. Cleaning device according to either of Claims 1 and 2, characterized in that the sliding plate (13) is provided with a wiper (14) which bears on the top side of the doctor (8) with a wiping edge and, during the to and fro movement of the sliding plate (13), wipes liquid off the surface of the doctor (8).
  4. Cleaning device according to one of the preceding claims, characterized in that the trough (9) has openings connected to an emptying line (11) at both its ends.
  5. Cleaning device according to one of the preceding claims, characterized in that the linear drive of the sliding plate (13) has a pulling means (16), for example a chain, a belt or a cable, which can be moved along the trough (9) and which is guided over suitable guide means, such as rollers or the like.
  6. Cleaning device according to one of Claims 1 to 4, characterized in that the linear drive provided is a spindle-nut mechanism.
  7. Cleaning device according to one of Claims 1 to 4, characterized in that the linear drive provided is a hydraulic or pneumatic reciprocating cylinder or an electric linear drive.
  8. Cleaning device according to one of Claims 1 to 4, characterized in that an electric linear drive is provided.
  9. Cleaning device according to Claim 1, characterized in that the conveying device comprises a screw conveyor (19) that can be driven in rotation, the bottom of the trough (9) having a cylindrical shape matched to the rotational contour of the screw conveyor (19).
  10. Cleaning device according to Claim 9, characterized in that the spiral wall of the screw conveyor (19) comprises bristles arranged radially with respect to the axis of rotation, the ends of which touch the cylindrical bottom of the trough.
  11. Cleaning device according to one of the preceding claims, characterized in that, in order to transport the liquid doctored off through the emptying line (11) into the collecting container (12), an extraction device is provided.
  12. Cleaning device according to one of the preceding claims, characterized in that the collecting container (12) is a disposable container, for example a plastic bag, which is disposed of together with the doctored-off liquid put in.
EP01102080A 2000-02-10 2001-01-31 Cleaning device for a rotary printing machine Expired - Lifetime EP1132211B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20002333U 2000-02-10
DE20002333U DE20002333U1 (en) 2000-02-10 2000-02-10 Cleaning device for a rotary printing machine

Publications (3)

Publication Number Publication Date
EP1132211A2 EP1132211A2 (en) 2001-09-12
EP1132211A3 EP1132211A3 (en) 2001-09-19
EP1132211B1 true EP1132211B1 (en) 2005-10-19

Family

ID=7937092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01102080A Expired - Lifetime EP1132211B1 (en) 2000-02-10 2001-01-31 Cleaning device for a rotary printing machine

Country Status (3)

Country Link
EP (1) EP1132211B1 (en)
AT (1) ATE307028T1 (en)
DE (2) DE20002333U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10321189B4 (en) * 2003-05-08 2007-04-05 Koenig & Bauer Ag doctor device
DE202004001174U1 (en) * 2004-01-27 2004-04-08 Man Roland Druckmaschinen Ag Supply device for a cleaning device in a processing machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691344A (en) * 1949-10-20 1954-10-12 Journal Company Ink roll cleaning scraper for printing presses

Also Published As

Publication number Publication date
DE20002333U1 (en) 2000-04-13
DE50107724D1 (en) 2005-11-24
EP1132211A3 (en) 2001-09-19
EP1132211A2 (en) 2001-09-12
ATE307028T1 (en) 2005-11-15

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