EP1132211A2 - Cleaning device for a rotary printing machine - Google Patents

Cleaning device for a rotary printing machine Download PDF

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Publication number
EP1132211A2
EP1132211A2 EP01102080A EP01102080A EP1132211A2 EP 1132211 A2 EP1132211 A2 EP 1132211A2 EP 01102080 A EP01102080 A EP 01102080A EP 01102080 A EP01102080 A EP 01102080A EP 1132211 A2 EP1132211 A2 EP 1132211A2
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EP
European Patent Office
Prior art keywords
cleaning device
trough
liquid
linear drive
roller
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.)
Granted
Application number
EP01102080A
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German (de)
French (fr)
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EP1132211A3 (en
EP1132211B1 (en
Inventor
Jürgen Schölzig
Uwe Püschel
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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Publication date
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
Application granted granted Critical
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 machine with one to be cleaned Roller adjustable squeegee, one of the roller scraped-off liquid collecting tray and a collecting container, which the doctored liquid from the tub is fed via a line.
  • a cleaning device of the specified type is from the DE 44 24 587 C2 known.
  • the known cleaning device consists of an open squeegee trough with a squeegee blade, to a paint-guiding roller, e.g. a paint grater is on and off.
  • a paint-guiding roller e.g. a paint grater is on and off.
  • the cover can be manually, with a guide gear or removed and placed on a swivel mechanism become.
  • the cover is with a piping system provided for the suction of the doctored liquid in serves a collection container.
  • a cleaning device is known from DE 298 13 146 U1 a printing press known with one to be cleaned Roller adjustable squeegee and one of the roller scraped off liquid collecting pan with a Lid that closes the tub in the rest position and when the tub is moved to the working position of an opening device is opened and kept open. This is supposed to be the liquid in the tub effectively protected against evaporation.
  • the invention has for its object a cleaning device of the type mentioned at the outset to create the can be automatically emptied and cleaned so that manual intervention and removal of the tub for the purpose cleaning is not necessary.
  • the scraped off liquid directly via the drain line drain into the lower-lying collection container, see above that there is no need to remove and empty the tub.
  • the collection container can be accessed on the side of the press be arranged so that it can be easily emptied when necessary or can be exchanged for an empty collection container. Scrapped liquid due to its viscosity only insufficient to get into the drain line, the Conveyor transported there. A cleaning of the Tub by hand and the formation of residues avoided. The cleaning device can thus automatically be emptied and kept ready for operation.
  • the conveyor can be according to an advantageous embodiment the invention consist of a slide, the Shape is adapted to the cross-sectional profile of the tub and with the help of a linear drive in the longitudinal direction in the Tub is movable back and forth. It is advantageous here if the tub is connected to the drain line at both ends has connected openings.
  • the slider can additionally be provided with a scraper that with a scraper edge abuts the top of the squeegee and when moving the slide fluid back and forth from the Scrapes the surface of the squeegee.
  • the linear drive of the Slider can be made from a traction device movable along the tub, e.g. a chain, a strap or a rope exist, which has suitable guide means, such as roles or the like is performed.
  • the conveyor from a rotating screw conveyor consist, the bottom of the tub one to the Rotary contour of the screw conveyor adapted cylindrical Shape.
  • the spiral wall of the screw conveyor can be rigid or be flexible, it can also be radial to the axis of rotation arranged bristles, the ends of which are cylindrical Touch the bottom of the tub.
  • the transport of the doctored liquid through the drain line can in the collection container by a Extraction system are supported.
  • the suction system serves at the same time to aspirate liquid vapors.
  • a collecting container a disposable container, e.g. a bag Serve plastic, which together with the filled, scraped off liquid is disposed of. But it can also a stationary collection container can be provided, which in is emptied at certain intervals.
  • the volume of the The collecting container can be sized so that it has the doctored liquid of 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 press shown.
  • a dampening unit 3 for coloring the plate cylinder 1 are a dampening unit 3 and an inking unit 4 are provided.
  • Inking unit 4 are inking rollers resting on the plate cylinder 5 and interacting with them 7 shown.
  • Adjustment device 6 adjustable and detachable cleaning device 10 arranged, the doctor blade 8 and the doctor blade Has liquid-absorbing, open tub 9.
  • FIG. 2 shows a first embodiment of the cleaning device 10, the trough 9 being more open, cuboid Box is formed, which at its the color grater 7 facing upper edge the squeegee 8 carries.
  • the tub 9 is connected at both ends to drain lines 11, that lead to a collection container 12.
  • the entry 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 Ends of the tub 9 is aligned and sliding abuts the bottom and the side walls of the tub 9.
  • the Slider 13 is with a protruding from the tub 9 Wipers 14 provided, which overlaps the doctor 8 and with a scraper edge abuts the doctor blade 8.
  • the slide 13 is held by a drive device 15 and in Longitudinal direction of the tub 9 moved back and forth.
  • 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 Guides, e.g. Guided and is by one Drive motor 17 movable in both directions of pull.
  • the inking unit 4 To clean the inking unit 4 using a spray device upstream in the single drum the inking unit 4 Cleaning liquid supplied.
  • the rollers are spinning displaced and transported through the single drum roller Cleaning liquid cleaned.
  • the doctored Liquid gets into the tub 9 and from there via the Drain lines 11 in the collection container 12.
  • the drive motor 17 To the Emptying the tub 9 to improve and after completion cleaning the doctor blade 8 and the tub 9 during the cleaning process, is, for example, about the control center of the printing press the drive motor 17 is controlled and the slide 13 with the scraper 14 several times in the longitudinal direction of the doctor tray 9 moved back and forth. As a result, remains of doctored liquid from the squeegee 8 and the side walls and stripped the bottom of the tub 9 and into the Drain lines 10 promoted.
  • FIG 3 shows an embodiment of the cleaning device 10, in which in the tub 9 by a motor 18th rotatably driven screw conveyor 19 is arranged.
  • the bottom of the tub 9 has the shape of a half cylinder, whose inside diameter is the outside diameter of the screw conveyor 19 corresponds.
  • the cleaning process of the Squeegee 8 is scraped off liquid by turning the screw conveyor 19 in the direction of the arrow to the end of the drive opposite end of the screw conveyor 19 transported and arrives there in the end wall of the tub 9 located entrance opening of the to the collecting container 12th leading drain line 11.
  • the screw conveyor 19 can at both ends or only at their drive end be rotatably mounted. In the latter case, storage takes place the free end of the screw conveyor 19 through the floor the tub 9, the spiral wall of the screw conveyor 19 lies loosely on the floor.
  • the spiral wall of the Screw conveyor 19 can be made of metal, a stiff or soft Plastic or 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 machine with one to be cleaned Roller adjustable squeegee, one of the roller scraped-off liquid collecting tray and a collecting container, which the doctored liquid from the tub is fed 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 from the DE 44 24 587 C2 known. The known cleaning device consists of an open squeegee trough with a squeegee blade, to a paint-guiding roller, e.g. a paint grater is on and off. There is one on the squeegee tray detachable cover that closes the squeegee tray. The cover can be manually, with a guide gear or removed and placed on a swivel mechanism become. The cover is with a piping system provided for the suction of the doctored liquid in serves a collection container. In addition, another Pipe system to be connected to the cover, through which Cleaning liquid from an upstream storage container is fed under high pressure and as an impact jet can be directed to the roller and the doctor blade trough. The problem with the known cleaning device is that that the doctored liquid is imperfect the squeegee can be removed and there is residue which can be removed by hand from time to time need to remove 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.A cleaning device is known from DE 298 13 146 U1 a printing press known with one to be cleaned Roller adjustable squeegee and one of the roller scraped off liquid collecting pan with a Lid that closes the tub in the rest position and when the tub is moved to the working position of an opening device is opened and kept open. This is supposed to be the liquid in the tub effectively protected against 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 has for its object a cleaning device of the type mentioned at the outset to create the can be automatically emptied and cleaned so that manual intervention and removal of the tub for the purpose cleaning is not necessary.

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 Trough through an emptying pipe opening near the floor is connected to the collection container and that in the tub a conveyor is arranged through which the doctored 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 off liquid directly via the drain line drain into the lower-lying collection container, see above that there is no need to remove and empty the tub. The collection container can be accessed on the side of the press be arranged so that it can be easily emptied when necessary or can be exchanged for an empty collection container. Scrapped liquid due to its viscosity only insufficient to get into the drain line, the Conveyor transported there. A cleaning of the Tub by hand and the formation of residues avoided. The cleaning device can thus automatically be emptied and kept ready for operation.

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 can be according to an advantageous embodiment the invention consist of a slide, the Shape is adapted to the cross-sectional profile of the tub and with the help of a linear drive in the longitudinal direction in the Tub is movable back and forth. It is advantageous here if the tub is connected to the drain line at both ends has connected openings. The slider can additionally be provided with a scraper that with a scraper edge abuts the top of the squeegee and when moving the slide fluid back and forth from the Scrapes the surface of the squeegee. The linear drive of the Slider can be made from a traction device movable along the tub, e.g. a chain, a strap or a rope exist, which has suitable guide means, such as roles or the like is performed. Can also be used as a linear actuator a spindle-nut gearbox, a hydraulic or pneumatic one Lift 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 Rotationskontur 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 rotating screw conveyor consist, the bottom of the tub one to the Rotary contour of the screw conveyor adapted cylindrical Shape. The spiral wall of the screw conveyor can be rigid or be flexible, it can also be radial to the axis of rotation arranged bristles, the ends of which are 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 doctored liquid through the drain line can in the collection container by a Extraction system are supported. The suction system serves at the same time to aspirate liquid vapors. As a collecting container a disposable container, e.g. a bag Serve plastic, which together with the filled, scraped off liquid is disposed of. But it can also a stationary collection container can be provided, which in is emptied at certain intervals. The volume of the The collecting container can be sized so that it has the doctored liquid of 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 is explained in more detail below on the basis of exemplary embodiments which are illustrated in the drawing. Show it
Figure 1
a section of the inking unit of a printing press with a cleaning device according to the invention,
Figure 2
an embodiment of a cleaning device according to the invention with a slide and
Figure 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 press 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 inking rollers resting on the plate cylinder 5 and interacting with them 7 shown. On the left color grater 7 is one by one Adjustment device 6 adjustable and detachable cleaning device 10 arranged, the doctor blade 8 and the doctor blade Has liquid-absorbing, open tub 9.

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.Figure 2 shows a first embodiment of the cleaning device 10, the trough 9 being more open, cuboid Box is formed, which at its the color grater 7 facing upper edge the squeegee 8 carries. The tub 9 is connected at both ends to drain lines 11, that lead to a collection container 12. The entry openings the drain lines 11 are located each in the bottom of the tub 9. In the tub 9 is a plate-shaped slider 13 which is parallel to the front Ends of the tub 9 is aligned and sliding abuts the bottom and the side walls of the tub 9. The Slider 13 is with a protruding from the tub 9 Wipers 14 provided, which overlaps the doctor 8 and with a scraper edge abuts the doctor blade 8. The slide 13 is held by a drive device 15 and in Longitudinal direction of the tub 9 moved back and forth. 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 Guides, e.g. Guided 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 using a spray device upstream in the single drum the inking unit 4 Cleaning liquid supplied. The rollers are spinning displaced and transported through the single drum roller Cleaning liquid cleaned. By hiring the Squeegee 8 to the ink fountain 7 located downstream the liquid mixture of cleaning liquid, dissolved Paint and water removed from the inking unit. The doctored Liquid gets into the tub 9 and from there via the Drain lines 11 in the collection container 12. To the Emptying the tub 9 to improve and after completion cleaning the doctor blade 8 and the tub 9 during the cleaning process, is, for example, about the control center of the printing press the drive motor 17 is controlled and the slide 13 with the scraper 14 several times in the longitudinal direction of the doctor tray 9 moved back and forth. As a result, remains of doctored liquid from the squeegee 8 and the side walls and stripped the bottom of the tub 9 and into the Drain 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.Figure 3 shows an embodiment of the cleaning device 10, in which in the tub 9 by a motor 18th rotatably driven screw conveyor 19 is arranged. The The bottom of the tub 9 has the shape of a half cylinder, whose inside diameter is the outside diameter of the screw conveyor 19 corresponds. The cleaning process of the Squeegee 8 is scraped off liquid by turning the screw conveyor 19 in the direction of the arrow to the end of the drive opposite end of the screw conveyor 19 transported and arrives there in the end wall of the tub 9 located entrance opening of the to the collecting container 12th leading drain line 11. The screw conveyor 19 can at both ends or only at their drive end be rotatably mounted. In the latter case, storage takes place the free end of the screw conveyor 19 through the floor the tub 9, the spiral wall of the screw conveyor 19 lies loosely on the floor. The spiral wall of the Screw conveyor 19 can be made of metal, a stiff or soft Plastic or bristles.

Claims (12)

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, dadurch gekennzeichnet, daß die Wanne (9) durch eine in Bodennähe mündende Entleerungsleitung (11) mit dem Sammelbehälter (12) verbunden ist und daß in der Wanne (9) eine Fördereinrichtung angeordnet ist, durch die die abgerakelte Flüssigkeit periodisch oder kontinuierlich in die Entleerungsleitung (11) transportierbar ist.Cleaning device for a roller of a rotary printing press with a squeegee which can be adjusted to the roller to be cleaned, a trough which collects the liquid doctored off the roller and a collecting container to which the doctored liquid 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) opening into the floor and that a conveyor is arranged in the trough (9) through which the scraped off liquid can be transported periodically or continuously into the emptying line (11). Reinigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Fördereinrichtung einen Schieber (13) aufweist, dessen Form an das Querschnittsprofil der Wanne (9) angepaßt ist und der mit Hilfe eines Linearantriebs (16, 17) in Längsrichtung in der Wanne (9) hin und her bewegbar ist.Cleaning device according to claim 1, characterized in that the conveying device has a slide (13), the shape of which is adapted to the cross-sectional profile of the trough (9) and with the aid of a linear drive (16, 17) in the longitudinal direction in the trough (9) and is movable here. Reinigungsvorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Schieber (13) mit einem Abstreifer (14) versehen ist, der mit einer Abstreifkante an der Oberseite der Rakel (8) anliegt und beim Hin- und Herbewegen des Schiebers (13) Flüssigkeit von der Oberfläche der Rakel (8) abstreift.Cleaning device according to one of claims 1 or 2, characterized in that the slide (13) is provided with a scraper (14) which bears with a scraper edge on the upper side of the squeegee (8) and when the slide (13 ) Scrapes liquid from the surface of the doctor blade (8). Reinigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Wanne (9) an ihren beiden Enden an eine Entleerungsleitung (11) angeschlossene Öffnungen hat. Cleaning device according to one of the preceding claims, characterized in that the trough (9) has openings connected at both ends to an emptying line (11). Reinigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Linearantrieb des Schiebers (13) ein längs der Wanne (9) bewegliches Zugmittel (16), z.B. eine Kette, einen Riemen oder ein Seil aufweist, welches über geeignete Führungsmittel, wie Rollen oder dergleichen geführt ist.Cleaning device according to one of the preceding claims, characterized in that the linear drive of the slide (13) has a traction means (16), for example a chain, a belt or a rope, which is movable along the trough (9) and which is guided by suitable guide means, such as rollers or the like is performed. Reinigungsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß als Linearantrieb ein Spindel-Mutter-Getriebe vorgesehen ist.Cleaning device according to one of claims 1 to 4, characterized in that a spindle-nut gear is provided as the linear drive. Reinigungsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß als Linearantrieb ein hydraulischer oder pneumatischer Hubzylinder oder ein elektrischer Linearantrieb vorgesehen ist.Cleaning device according to one of claims 1 to 4, characterized in that a hydraulic or pneumatic lifting cylinder or an electric linear drive is provided as the linear drive. Reinigungsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß ein elektrischer Linearantrieb vorgesehen ist.Cleaning device according to one of claims 1 to 4, characterized in that an electric linear drive is provided. Reinigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Fördereinrichtung aus einer drehend antreibbaren Förderschnecke (19) besteht, wobei der Boden der Wanne (9) eine an die Rotationskontur der Förderschnecke (19) angepaßte zylindrische Form hat.Cleaning device according to claim 1, characterized in that the conveying device consists of a screw conveyor (19) which can be driven in rotation, the bottom of the trough (9) having a cylindrical shape adapted to the rotational contour of the screw conveyor (19). Reinigungsvorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die gewendelte Wand der Förderschnecke (19) aus radial zur Drehachse angeordneten Borsten besteht, deren Enden den zylindrischen Boden der Wanne berühren.Cleaning device according to claim 9, characterized in that the coiled wall of the screw conveyor (19) consists of bristles arranged radially to the axis of rotation, the ends of which touch the cylindrical bottom of the trough. Reinigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zum Transport der abgerakelten Flüssigkeit durch die Entleerungs leitung (11) in den Sammelbehälter (12) eine Absaugeinrichtung vorgesehen ist.Cleaning device according to one of the preceding claims, characterized in that a suction device is provided for transporting the doctored liquid through the emptying line (11) into the collecting container (12). Reinigungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sammelbehälter (12) ein Einwegbehälter, z.B. eine Tüte aus Kunststoff ist, der zusammen mit der eingefüllten, abgerakelten Flüssigkeit entsorgt wird.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 filled, scraped-off liquid.
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 DE20002333U1 (en) 2000-02-10 2000-02-10 Cleaning device for a rotary printing machine
DE20002333U 2000-02-10

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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098891A1 (en) * 2003-05-08 2004-11-18 Kba-Giori S.A. Doctor blade device

Families Citing this family (1)

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

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098891A1 (en) * 2003-05-08 2004-11-18 Kba-Giori S.A. Doctor blade device
US7392744B2 (en) 2003-05-08 2008-07-01 Kba-Giori S.A Doctor blade device

Also Published As

Publication number Publication date
DE50107724D1 (en) 2005-11-24
EP1132211A3 (en) 2001-09-19
EP1132211B1 (en) 2005-10-19
DE20002333U1 (en) 2000-04-13
ATE307028T1 (en) 2005-11-15

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