EP1259379B1 - Device for cleaning a roller or a cylinder - Google Patents

Device for cleaning a roller or a cylinder Download PDF

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Publication number
EP1259379B1
EP1259379B1 EP01913556A EP01913556A EP1259379B1 EP 1259379 B1 EP1259379 B1 EP 1259379B1 EP 01913556 A EP01913556 A EP 01913556A EP 01913556 A EP01913556 A EP 01913556A EP 1259379 B1 EP1259379 B1 EP 1259379B1
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EP
European Patent Office
Prior art keywords
roller
cleaning
elements
carrier
toothed belt
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
EP01913556A
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German (de)
French (fr)
Other versions
EP1259379A1 (en
Inventor
Reinhold DI DÜNNINGER
Claus-Dieter Barrois
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP03101554A priority Critical patent/EP1342576B1/en
Priority to EP03101552A priority patent/EP1342575B1/en
Publication of EP1259379A1 publication Critical patent/EP1259379A1/en
Application granted granted Critical
Publication of EP1259379B1 publication Critical patent/EP1259379B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • 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
    • 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
    • B41P2235/23—Brushes
    • 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
    • B41P2235/26—Spraying devices

Definitions

  • the invention relates to a device for cleaning a roller or a cylinder according to the preamble of claim 1.
  • a device for cleaning rollers in which a rotatable brush roller can be guided by hand along the roller to be cleaned, wherein a cleaning liquid can be applied to the brush roller.
  • This well known Device contains a reservoir for the cleaning liquid and one Collecting container for the dirt particles to be removed.
  • the invention has for its object a device for cleaning a roller or to create a cylinder.
  • the advantages that can be achieved with the invention are, in particular, that at one comparatively simple structure of the device a high and reliable Cleaning effect can be achieved, in particular a liquid cleaning agent Can be used.
  • the cleaning agent can also be reprocessed and in Circulation are carried out, allowing self-cleaning of the device at the same time is.
  • the device according to the invention can be in a fixed position relative to the cleaning roller remain permanently on it, which means costly set-up times can be avoided.
  • Another advantage is that the cleaning effect of the device according to the invention in be easily adapted to the degree of contamination of the roller to be cleaned can.
  • the device 01 according to the invention is in the immediate vicinity of one to be cleaned Roller 02 or cylinder, for example a forme cylinder or a guide roller Printing machine, not shown, arranged.
  • the device 01 first of all points a first carrier element 03 in the form of a toothed belt, which has two axially spaced rotatable guide elements in the form of pulleys 04 or 05 to be led.
  • a loop-like, endlessly circulating carrier element a first strand 06 facing the roller 02 and one pointing away from the roller second run 07 formed.
  • a drive not shown, is provided, which at least one of the Belt pulleys 04 or 05 are subjected to a torque and thus a drive of the toothed belt 03 in the direction F of a longitudinal axis of the roller 02.
  • the two Pulleys 04 and 05 more precisely those running perpendicular to the plane of the drawing Central axes 08 and 09 have an axial distance, which is shown in the here Embodiment essentially the axial length of the roller 02 to be cleaned equivalent.
  • the illustrated Embodiment of the toothed belt 03 does not have its entire length Bristle elements 10 provided; rather, the timing belt is only 03 over half of it Bristled length. This allows the timing belt 03 from a position in which a part or essentially all of the bristle elements 10 with the surface of the to be cleaned Roller 02 engages or comes to rest against it (working position), into which in FIG. 2 shown position are brought, in which all the bristle elements 10 on the Roller 02 is on the technological strand 07 (rest position).
  • the device 01 is provided with a Provide a row of cleaning chambers 11, 12, 13, 14 and 15 arranged one behind the other, which successively pass through the toothed belt 03 and thus the bristle elements 10 become.
  • these cleaning chambers 11, 12, 13, 14 and 15 the Bristle elements 10 impurities picked up by the surface of the roller 02 at least partially exempt. This can be done, for example, by wipers, not shown be achieved or at least supported in the respective cleaning chambers are arranged.
  • each cleaning chamber 11, 12, 13, 14 and 15 an inlet 16 for a cleaning agent for cleaning the bristle elements 10 on.
  • a cleaning liquid for example, can be used as the cleaning agent Water, optionally with the addition of solvents, soaps, alkalis or the like, find use.
  • the cleaning agent is in the Cleaning chambers 11, 12, 13, 14 and 15 rinsed, the through the Cleaning chambers guided bristle elements 10 wetted and by their dirt load be freed.
  • each cleaning chamber 11, 12, 13, 14 and 15 has an outlet 17 for the the cleaning of the bristle elements 10 soiled cleaning agents.
  • a further chamber 18 is arranged, the is also run through by the toothed belt 03 and the bristle elements 10.
  • a controlled dehumidification takes place in chamber 18, into which no cleaning agent is supplied of the bristle elements 10 except for one depending on the respective application degree to be specified.
  • This dehumidification can not be done by a shown scraper element, which comes into engagement with the bristle elements 10, or by blowing compressed air or the like.
  • the stripped or Blown cleaning agent is discharged from the chamber 18 through a drain 19.
  • Der Collecting channel 20 is connected to a collecting vessel 22 via a line 21, in which the dirty detergent is directed.
  • the dirty cleaning agent is in or following the collecting vessel 22nd passed through a filter element 23 and cleaned of the impurities there. Subsequently, the reprocessed and if necessary replenished Detergent stored in a second collecting vessel 24 and from there by means of a pump 25 and a line 26 again via the inlets 16 in the Cleaning chambers 11, 12, 13, 14 and 15 given. Overall, therefore, can be in realize an essentially closed cleaning agent cycle.
  • the second timing belt 27 in the same way as the first toothed belt 03 over half its length Bristle elements 28 provided.
  • the toothed belt 27 is basically the same Way as the toothed belt 03 guided over pulleys, not shown, the Align the central axes with the central axes 08 and 09 of the pulleys 04 and 05.
  • At least one of the pulleys of the toothed belt 27 has a drive with which this pulley with a torque for driving the toothed belt 27th is acted upon.
  • the drive of the toothed belt 03 and the drive of the toothed belt 27 are basically independent. In the embodiment shown here the drive of the toothed belt 03 and the drive of the toothed belt 27 in opposite directions, so that also the direction of rotation of the pulleys and thus the toothed belt 03 and 27 itself are opposite. The directions of rotation of the drives can be reversible.
  • a guide element 29 is provided, which is shown here Embodiment substantially over the entire space between the respective pulleys extends.
  • the guide element 29 has on both sides superimposed groove-like depressions 30, 31 and 32, 33 in which the respective dreams of the timing belt 03 and 27 are guided. This involves both Guide perpendicular to the main planes formed by the toothed belt loops as well a support of the timing belts 03 and 27 against the groove base.
  • a component 34 arranged in which the cleaning chambers 11, 12, 13, 14 and 15 and the chamber 18 for the upper timing belt 03 and, in principle the same way, the cleaning chambers 35 and the chamber for the lower one Toothed belts 27 are formed. All chambers open with their drain 17 or 19 (upper toothed belt 03) and 36 (lower toothed belt 27) in the common Collection channel 20, which is also formed directly in the component 34.
  • inlets 16 In the component 34 are the inlets 16 (upper timing belt 03) and 37 (lower Timing belt 27) for the inflow of cleaning agent, the cleaning chamber 11, 12, 13, 14 and 15 and 35 respectively.
  • Inlets 16 and 37 open into the top and sides Bottom of the component 34 attached manifolds 38 and 39, the line 26 of Pump 25 can be supplied with detergent.
  • the roller 02 to be cleaned has a plate 40 for flexographic printing on its surface, the contamination after a designated printing process, especially paint residues should be freed.
  • the cleaning chambers 11, 12, 13, 14 and 15 rinsed with cleaning liquid and thereby the bristle elements 10 wetted.
  • the bristle elements 10 migrate the chambers arranged one behind the other and after washing with Wet detergent in the cleaning chambers 11, 12, 13, 14 and 15 Bristle elements 10 in the second chamber 19 just dehumidified to the one an undesirable leakage when painting over the roller surface Detergent from the gap between the roller 02 and the device 01 is largely prevented, but on the other hand when painting over the Plate 40 arranged with the bristle elements 10 a roller surface sufficient amount of detergent is transferred to the plate to pass through soften the paint to be removed during the cleaning process.
  • the bristle elements 10 With the further movement of the toothed belt 03 takes place through the bristle elements 10 first both a transfer of cleaning agent to the surface to be cleaned as well as a mechanically abrasive removal of the pollution. With increasing Release of the residual moisture of the bristle elements 10 onto the surface of the roller 02 or of the flexographic plate 40, the bristle elements 10 are able to remove the paint residues of the roller surface and the flushing into the Dispense cleaning chambers 11, 12, 13, 14 and 15 for separation.
  • the cycle time i.e.
  • the length of stay and amount of detergent on the Roller surface is particularly by adjusting the speed of the roller 02 and the speed of rotation of the toothed belt, but also by adjusting the Residual moisture content of the bristle elements 10 in the chamber 18 depending For example, the degree of contamination can be freely adjusted within wide limits.
  • a second toothed belt 27 which is basically the same Acts in a manner, but is driven in the opposite direction to the toothed belt 03, in particular the cleaning area is enlarged and the cleaning time is shortened. Due to the opposite movement of the two timing belts 03 and 27 are subject also those opposite in the direction of movement of the toothed belts 03 and 27 Flanks of the intended increases and / or depressions of the Roller surface of a more uniform cleaning effect, since "shadow areas" be largely prevented.
  • the device 01 is also provided with a housing 41 which is open towards the roller 02 is.
  • the edge regions of the housing 41 in the region of both end faces of the roller 02 have splash plates 42 and 43 which, depending on the direction of rotation of the Timing belts 03 and 27, an uncontrolled spraying of cleaning agent when it comes out the bristle elements 10 from the chamber 18 or from dirty cleaning agent prevent the bristle elements 10 from entering the housing 41.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Cleaning In General (AREA)

Abstract

At least one cleaning element (10,28) is movable in the lengthwise direction of the roller (02) being cleaned and has a support element (03,27) rotating in the roller's lengthwise direction. The support element has one stringer (06) facing the roller, and one stringer (07) facing away from the roller. At least two support elements are positioned behind each other in relation to the roller's peripheral direction. At least two, adjacent support elements are driven in contrary rotation.

Description

Die Erfindung betrifft eine Vorrichtung zum Reinigen einer Walze oder eines Zylinders nach dem Oberbegriff des Anspruches 1.The invention relates to a device for cleaning a roller or a cylinder according to the preamble of claim 1.

Durch die EP 06 93 378 B1 ist ein Gerät zur Reinigung von Walzen bekannt, bei welcher eine drehbare Bürstenwalze von Hand an der zu reinigenden Walze entlang führbar ist, wobei eine Reinigungsflüssigkeit auf die Bürstenwalze auftragbar ist. Dieses bekannte Gerät enthält einen Vorratsbehälter für die Reinigungsflüssigkeit und einen Auffangbehälter für die zu entfernenden Schmutzteilchen.From EP 06 93 378 B1 a device for cleaning rollers is known, in which a rotatable brush roller can be guided by hand along the roller to be cleaned, wherein a cleaning liquid can be applied to the brush roller. This well known Device contains a reservoir for the cleaning liquid and one Collecting container for the dirt particles to be removed.

Aus der DE 197 34 103 A1 ist eine Einrichtung zum Entwickeln von zylindrischen Oberflächen bekannt, bei der eine Bürstenwalze zur Reinigung der zylindrischen Oberfläche in Längsrichtung der Walze verfahrbar ist.DE 197 34 103 A1 describes a device for developing cylindrical ones Surfaces known in which a brush roller for cleaning the cylindrical Surface can be moved in the longitudinal direction of the roller.

Die US 5 568 768 A, die US 5 255 606 A, die DE 25 22 743 A1, die DE 23 17 174 B2, die US 2 171 631 A und die DE-AS 1 561 029 offenbaren Vorrichtungen zum Reinigen von Walzen mit einem in Längsrichtung der Walzen umlaufenden Reinigungselement.US 5 568 768 A, US 5 255 606 A, DE 25 22 743 A1, DE 23 17 174 B2, the US 2 171 631 A and DE-AS 1 561 029 disclose devices for cleaning Rolls with a cleaning element rotating in the longitudinal direction of the rolls.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zum Reinigen einer Walze oder eines Zylinders zu schaffen.The invention has for its object a device for cleaning a roller or to create a cylinder.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß bei einem vergleichsweise einfachem Aufbau der Vorrichtung eine hohe und zuverlässige Reinigungswirkung erzielbar ist, wobei ein insbesondere flüssiges Reinigungsmittel Verwendung finden kann. Das Reinigungsmittel kann zudem wiederaufbereitet und im Umlauf geführt werden, wobei gleichzeitig eine Selbstreinigung der Vorrichtung ermöglicht ist. The advantages that can be achieved with the invention are, in particular, that at one comparatively simple structure of the device a high and reliable Cleaning effect can be achieved, in particular a liquid cleaning agent Can be used. The cleaning agent can also be reprocessed and in Circulation are carried out, allowing self-cleaning of the device at the same time is.

Weiter kann die erfindungsgemäße Vorrichtung in fester Position relativ zur zu reinigenden Walze dauernd an dieser verbleiben, wodurch kostenintensive Rüstzeiten vermieden werden können.Furthermore, the device according to the invention can be in a fixed position relative to the cleaning roller remain permanently on it, which means costly set-up times can be avoided.

Ein weitere Vorteil ist, daß die Reinigungswirkung der erfindungsgemäßen Vorrichtung in einfacher Weise an den Verschmutzungsgrad der zu reinigenden Walze angepaßt werden kann.Another advantage is that the cleaning effect of the device according to the invention in be easily adapted to the degree of contamination of the roller to be cleaned can.

Im folgenden ist die Erfindung anhand lediglich ein Ausführungsbeispiel zeigender Zeichnungen näher erläutert. Es zeigen:

Fig. 1
in schematischer Darstellung eine Draufsicht auf eine erfindungsgemäße Vorrichtung
Fig. 2
in ebenfalls schematischer Darstellung einen Schnitt entlang der Schnittlinie I - I in Fig. 1
The invention is explained in more detail below with reference to drawings showing only one exemplary embodiment. Show it:
Fig. 1
a schematic representation of a top view of a device according to the invention
Fig. 2
also a schematic representation of a section along the section line I - I in FIG. 1

Die erfindungsgemäße Vorrichtung 01 ist in unmittelbarer Nähe einer zu reinigenden Walze 02 oder Zylinders, beispielsweise eines Formzylinders oder einer Leitwalze einer nicht dargestellten Druckmaschine, angeordnet. Die Vorrichtung 01 weist zunächst einmal ein erstes Trägerelement 03 in Form eines Zahnriemens auf, der über zwei axial beabstandete drehbare Führungselemente in Form von Riemenscheiben 04 bzw. 05 geführt wird. Dadurch wird ein schlaufenartig endlos umlaufendes Trägerelement mit einem zur Walze 02 weisenden ersten Trum 06 und einem von der Walze wegweisenden zweiten Trum 07 gebildet.The device 01 according to the invention is in the immediate vicinity of one to be cleaned Roller 02 or cylinder, for example a forme cylinder or a guide roller Printing machine, not shown, arranged. The device 01 first of all points a first carrier element 03 in the form of a toothed belt, which has two axially spaced rotatable guide elements in the form of pulleys 04 or 05 to be led. As a result, a loop-like, endlessly circulating carrier element a first strand 06 facing the roller 02 and one pointing away from the roller second run 07 formed.

Weiter ist ein nicht dargestellter Antrieb vorgesehen, der mindestens eine der Riemenscheiben 04 oder 05 mit einem Drehmoment beaufschlagt und so einen Antrieb des Zahnriemens 03 in Richtung F einer Längsachse der Walze 02 bewirkt. Die beiden Riemenscheiben 04 und 05, genauer deren senkrecht zur Zeichenebene verlaufende Mittelachsen 08 und 09, weisen einen axialen Abstand auf, der beim hier dargestellten Ausführungsbeispiel im wesentlichen der axialen Länge der zu reinigenden Walze 02 entspricht.Furthermore, a drive, not shown, is provided, which at least one of the Belt pulleys 04 or 05 are subjected to a torque and thus a drive of the toothed belt 03 in the direction F of a longitudinal axis of the roller 02. The two Pulleys 04 and 05, more precisely those running perpendicular to the plane of the drawing Central axes 08 and 09 have an axial distance, which is shown in the here Embodiment essentially the axial length of the roller 02 to be cleaned equivalent.

Wie insbesondere der Darstellung nach Fig. 2 zu entnehmen ist, ist der Zahnriemen 03 mit Reinigungselementen 10 in Form von stirnbürstenartigen Borstenelementen versehen, die so am Zahnriemen 03 angeordnet sind, daß sie nach radial außen, bezogen auf die durch den Zahnriemen 03 gebildet Schlaufe, weisen. Weiter ist beim dargestellten Ausführungsbeispiel der Zahnriemen 03 nicht über seine gesamt Länge mit Borstenelementen 10 versehen; vielmehr ist der Zahnriemen nur 03 nur über seine halbe Länge beborstet. Dadurch kann der Zahnriemen 03 aus einer Position, in der ein Teil oder im wesentlichen alle der Borstenelemente 10 mit der Oberfläche der zu reinigenden Walze 02 in Eingriff bzw. an dieser zur Anlage gelangen (Arbeitsposition), in die in Fig. 2 gezeigte Position gebracht werden, in der sämtliche Borstenelemente 10 auf dem von der Walze 02 wegweisenden Trum 07 liegen (Ruheposition).As can be seen in particular from the illustration according to FIG. 2, the toothed belt 03 provided with cleaning elements 10 in the form of forehead brush-like bristle elements, which are arranged on the toothed belt 03 in such a way that they are directed radially outwards in relation to loop formed by the toothed belt 03, have. Next is the illustrated Embodiment of the toothed belt 03 does not have its entire length Bristle elements 10 provided; rather, the timing belt is only 03 over half of it Bristled length. This allows the timing belt 03 from a position in which a part or essentially all of the bristle elements 10 with the surface of the to be cleaned Roller 02 engages or comes to rest against it (working position), into which in FIG. 2 shown position are brought, in which all the bristle elements 10 on the Roller 02 is on the groundbreaking strand 07 (rest position).

Im Bereich des von der Walze 02 wegweisenden Trums 07 ist die Vorrichtung 01 mit einer Reihe hintereinander angeordneter Reinigungskammern 11, 12, 13, 14 und 15 versehen, die nacheinander vom Zahnriemen 03 und damit den Borstenelementen 10 durchlaufen werden. In diesen Reinigungskammem 11, 12, 13, 14 und 15 werden die Borstenelemente 10 von der Oberfläche der Walze 02 aufgenommenen Verunreinigungen zumindest teilweise befreit. Dies kann beispielsweise durch nicht dargestellte Abstreifer erreicht oder zumindest unterstützt werden, die in den jeweiligen Reinigungskammern angeordnet sind.In the area of the strand 07 pointing away from the roller 02, the device 01 is provided with a Provide a row of cleaning chambers 11, 12, 13, 14 and 15 arranged one behind the other, which successively pass through the toothed belt 03 and thus the bristle elements 10 become. In these cleaning chambers 11, 12, 13, 14 and 15 the Bristle elements 10 impurities picked up by the surface of the roller 02 at least partially exempt. This can be done, for example, by wipers, not shown be achieved or at least supported in the respective cleaning chambers are arranged.

Beim in den Figuren gezeigten Ausführungsbeispiel weist jede Reinigungskammer 11, 12, 13, 14 und 15 einen Zulauf 16 für ein Reinigungsmittel zu Reinigung der Borstenelemente 10 auf. Als Reinigungsmittel kann dabei eine Reinigungsflüssigkeit, beispielsweise Wasser, gegebenenfalls auch unter Zusatz von Lösungsmitteln, Seifen, Laugen oder dergleichen, Verwendung finden. Durch diesen Zulauf 16 wird das Reinigungsmittel in die Reinigungskammern 11, 12, 13, 14 und 15 gespült, wobei die durch die Reinigungskammern geführten Borstenelemente 10 benetzt und von ihrer Schmutzfracht befreit werden.In the embodiment shown in the figures, each cleaning chamber 11, 12, 13, 14 and 15 an inlet 16 for a cleaning agent for cleaning the bristle elements 10 on. A cleaning liquid, for example, can be used as the cleaning agent Water, optionally with the addition of solvents, soaps, alkalis or the like, find use. Through this inlet 16, the cleaning agent is in the Cleaning chambers 11, 12, 13, 14 and 15 rinsed, the through the Cleaning chambers guided bristle elements 10 wetted and by their dirt load be freed.

Weiter weist jede Reinigungskammer 11, 12, 13, 14 und 15 einen Ablauf 17 für das nach der Reinigung der Borstenelemente 10 verschmutzte Reinigungsmittel auf.Furthermore, each cleaning chamber 11, 12, 13, 14 and 15 has an outlet 17 for the the cleaning of the bristle elements 10 soiled cleaning agents.

Am Ende des Trums 07 und damit in Laufrichtung des Zahnriemens 03 hinter den Reinigungskammem 11, 12, 13, 14 und 15 ist eine weitere Kammer 18 angeordnet, die ebenfalls vom Zahnriemen 03 und den Borstenelementen 10 durchlaufen wird. In dieser Kammer 18, in die kein Reinigungsmittel zugeführt wird, erfolgt eine gezielte Entfeuchtung der Borstenelemente 10 bis auf einen in Abhängigkeit vom jeweiligen Anwendungsfall vorzugebenden Grad. Dabei kann diese Entfeuchtung beispielsweise durch ein nicht dargestelltes Abstreifelement, das mit den Borstenelementen 10 in Eingriff kommt, oder durch Einblasen von Druckluft oder dergleichen erfolgen. Das abgestreifte oder abgeblasene Reinigungsmittel wird durch einen Ablauf 19 aus der Kammer 18 abgeführt.At the end of the run 07 and thus in the direction of the timing belt 03 behind the Cleaning chamber 11, 12, 13, 14 and 15, a further chamber 18 is arranged, the is also run through by the toothed belt 03 and the bristle elements 10. In this A controlled dehumidification takes place in chamber 18, into which no cleaning agent is supplied of the bristle elements 10 except for one depending on the respective application degree to be specified. This dehumidification can not be done by a shown scraper element, which comes into engagement with the bristle elements 10, or by blowing compressed air or the like. The stripped or Blown cleaning agent is discharged from the chamber 18 through a drain 19.

Wie aus Fig. 1 ersichtlich, münden die Abläufe 17 der Reinigungskammem 11, 12, 13, 14 und 15 sowie der Ablauf 19 der Kammer 18 in einen gemeinsamen Sammelkanal 20. Der Sammelkanal 20 ist über eine Leitung 21 mit einem Sammelgefäß 22 verbunden, in welches das verschmutzte Reinigungsmittel geleitet wird.1, the processes 17 of the cleaning chambers 11, 12, 13, 14 open and 15 and the outlet 19 of the chamber 18 in a common collecting channel 20. Der Collecting channel 20 is connected to a collecting vessel 22 via a line 21, in which the dirty detergent is directed.

Das verschmutzte Reinigungsmittel wird im oder im Anschluß an das Sammelgefäß 22 durch ein Filterelement 23 geführt und dort von den Verunreinigungen gereinigt. Anschließend wird das so wiederaufbereitete und gegebenenfalls nachdosierte Reinigungsmittel in einem zweiten Sammelgefäß 24 gespeichert und von dort mittels einer Pumpe 25 und eine Leitung 26 wieder über die Zuläufe 16 in die Reinigungskammern 11, 12, 13, 14 und 15 gegeben. Insgesamt läßt sich daher ein im wesentlichen geschlossener Reinigungsmittelkreislauf realisieren.The dirty cleaning agent is in or following the collecting vessel 22nd passed through a filter element 23 and cleaned of the impurities there. Subsequently, the reprocessed and if necessary replenished Detergent stored in a second collecting vessel 24 and from there by means of a pump 25 and a line 26 again via the inlets 16 in the Cleaning chambers 11, 12, 13, 14 and 15 given. Overall, therefore, can be in realize an essentially closed cleaning agent cycle.

Wie insbesondere aus der Darstellung nach Fig. 2 ersichtlich ist, sind beim hier gezeigten Ausführungsbeispiel zwei Zahnriemen 03 und 27 bezogen auf die Umfangsrichtung der Walze 02 hintereinander, d. h. übereinander angeordnet. Dabei ist der zweite Zahnriemen 27 in gleicher Weise wie der erste Zahnriemen 03 über seine halbe Länge mit Borstenelementen 28 versehen. Der Zahnriemen 27 ist in grundsätzlich der gleichen Weise wie der Zahnriemen 03 über nicht dargestellte Riemenscheiben geführt, deren Mittelachsen mit den Mittelachsen 08 und 09 der Riemenscheiben 04 und 05 fluchten. Zumindest eine der Riemenscheiben des Zahnriemens 27 weist einen Antrieb auf, mit dem diese Riemenscheibe mit einem Drehmoment zum Antrieb des Zahnriemens 27 beaufschlagbar ist. Der Antrieb des Zahnriemens 03 und der Antrieb des Zahnriemens 27 sind dabei grundsätzlich unabhängig. Beim hier dargestellten Ausführungsbeispiel sind der Antrieb des Zahnriemens 03 und der Antrieb des Zahnriemens 27 gegenläufig, so daß auch die Drehrichtung der Riemenscheiben und damit der Zahnriemen 03 und 27 selbst gegenläufig sind. Die Drehrichtungen der Antriebe können umkehrbar sein.As can be seen in particular from the illustration according to FIG. 2, the shown here Embodiment two timing belts 03 and 27 based on the circumferential direction of the Roller 02 in a row, d. H. arranged one above the other. Here is the second timing belt 27 in the same way as the first toothed belt 03 over half its length Bristle elements 28 provided. The toothed belt 27 is basically the same Way as the toothed belt 03 guided over pulleys, not shown, the Align the central axes with the central axes 08 and 09 of the pulleys 04 and 05. At least one of the pulleys of the toothed belt 27 has a drive with which this pulley with a torque for driving the toothed belt 27th is acted upon. The drive of the toothed belt 03 and the drive of the toothed belt 27 are basically independent. In the embodiment shown here the drive of the toothed belt 03 and the drive of the toothed belt 27 in opposite directions, so that also the direction of rotation of the pulleys and thus the toothed belt 03 and 27 itself are opposite. The directions of rotation of the drives can be reversible.

Wie ebenfalls aus den Figuren ersichtlich ist, ist zwischen den Riemenscheiben 04 und 05 des Zahnriemens 03 und den nicht dargestellten Riemenscheiben des Zahnriemens 27 ein Führungselement 29 vorgesehen, das sich beim hier dargestellten Ausführungsbeispiel im wesentlichen über den gesamten Zwischenraum zwischen den jeweiligen Riemenscheiben erstreckt. Das Führungselement 29 weist beidseitig übereinander angeordnete nutartige Vertiefungen 30, 31 bzw. 32, 33 auf, in denen die jeweiligen Trume der Zahnriemen 03 und 27 geführt sind. Dabei erfolgt sowohl eine Führung senkrecht zur durch die Zahnriemenschlaufen gebildeten Hauptebenen als auch eine Abstützung der Zahnriemen 03 und 27 gegen den Nutgrund. As can also be seen from the figures, there is 04 and 05 between the pulleys of the toothed belt 03 and the pulleys of the toothed belt 27, not shown a guide element 29 is provided, which is shown here Embodiment substantially over the entire space between the respective pulleys extends. The guide element 29 has on both sides superimposed groove-like depressions 30, 31 and 32, 33 in which the respective dreams of the timing belt 03 and 27 are guided. This involves both Guide perpendicular to the main planes formed by the toothed belt loops as well a support of the timing belts 03 and 27 against the groove base.

Im Bereich des von der Walze wegweisenden Trums der Zahnriemen 03 und 27 ist am Führungselement 29 ein Bauteil 34 angeordnet, in dem die Reinigungskammern 11, 12, 13, 14 und 15 sowie die Kammer 18 für den oberen Zahnriemen 03 und, in grundsätzlich der gleichen Weise, die Reinigungskammern 35 und die Kammer für den unteren Zahnriemen 27 ausgebildet sind. Sämtliche Kammern münden dabei mit ihrem Ablauf 17 bzw. 19 (oberer Zahnriemen 03) und 36 (unterer Zahnriemen 27) in den gemeinsamen Sammelkanal 20, der ebenfalls unmittelbar im Bauteil 34 ausgebildet ist.In the area of the strand of the toothed belt 03 and 27 pointing away from the roller is on Guide element 29 a component 34 arranged in which the cleaning chambers 11, 12, 13, 14 and 15 and the chamber 18 for the upper timing belt 03 and, in principle the same way, the cleaning chambers 35 and the chamber for the lower one Toothed belts 27 are formed. All chambers open with their drain 17 or 19 (upper toothed belt 03) and 36 (lower toothed belt 27) in the common Collection channel 20, which is also formed directly in the component 34.

Im Bauteil 34 sind weiter die Zuläufe 16 (oberer Zahnriemen 03) und 37 (unterer Zahnriemen 27) für den Zufluß von Reinigungsmittel die Reinigungskammer 11, 12, 13, 14 und 15 bzw. 35 angeordnet. Die Zuläufe 16 und 37 münden dabei in seitlich oben und unten am Bauteil 34 angesetzte Sammelleitungen 38 und 39, die über die Leitung 26 von Pumpe 25 mit Reinigungsmittel versorgt werden.In the component 34 are the inlets 16 (upper timing belt 03) and 37 (lower Timing belt 27) for the inflow of cleaning agent, the cleaning chamber 11, 12, 13, 14 and 15 and 35 respectively. Inlets 16 and 37 open into the top and sides Bottom of the component 34 attached manifolds 38 and 39, the line 26 of Pump 25 can be supplied with detergent.

Im folgenden sei eine mögliche Betriebsweise der in den Figuren dargestellten erfindungsgemäßen Vorrichtung näher erläutert:The following is a possible mode of operation of those shown in the figures Device according to the invention explained in more detail:

Die zu reinigende Walze 02 weist an ihrer Oberfläche eine Platte 40 für Flexodruck auf, die nach einem bestimmungsgemäß beendeten Druckvorgang von Verunreinigungen, insbesondere Farbresten befreit werden soll.The roller 02 to be cleaned has a plate 40 for flexographic printing on its surface, the contamination after a designated printing process, especially paint residues should be freed.

In der Ruheposition der Vorrichtung 1, wie sie insbesondere in Fig. 2 dargestellt ist, sind sämtliche Borstenelemente 10 und 28 am von der Walze 02 abgewandten Trum der Zahnriemen 03 und 27 angeordnet, so daß kein Eingriff an der Walze 02 bzw. an der flexographischen Platte 40 erfolgt. Gleichzeitig aber ist der Abstand der Vorrichtung 01 von der Walze 02 so gewählt, daß in der Arbeitsposition, d.h. das mit den Borstenelementen 10 versehene Trum des Zahnriemens weist nun zur Walze 02, die Borstenelemente mit der Walzenoberfläche in mechanischen Eingriff bzw. an der Walzenoberfläche zur Anlage gelangen können. Somit kann die erfindungsgemäße Vorrichtung 01 während des Druckvorgangs in unveränderter Position an der Walze verbleiben, so daß teure Rüstzeiten entfallen.In the rest position of the device 1, as is shown in particular in FIG. 2 all bristle elements 10 and 28 on the strand facing away from the roller 02 Toothed belt 03 and 27 arranged so that no engagement on the roller 02 or on the flexographic plate 40 takes place. At the same time, however, the distance between the devices is 01 selected by the roller 02 so that in the working position, i.e. the one with the Bristle elements 10 provided strand of the toothed belt now points to the roller 02, the Bristle elements with the roller surface in mechanical engagement or on the Roll surface can get to the system. Thus, the invention Device 01 during the printing process in unchanged position on the roller remain so that expensive set-up times are eliminated.

Der Einfachheit halber soll zunächst lediglich die Wirkung eines Zahnriemens 03 beschrieben werden.For the sake of simplicity, only the effect of a toothed belt 03 should be given first to be discribed.

Soll nun nach Beendigung des Druckvorgangs eine Reinigung der Walze 02 bzw. der flexographischen Platte 40 erfolgen, werden zunächst die Reinigungskammem 11, 12, 13, 14 und 15 mit Reinigungsflüssigkeit gespült und dadurch die Borstenelemente 10 benetzt. Beim nachfolgenden Antrieb des Zahnriemens 03 wandern die Borstenelemente 10 durch die hintereinander angeordneten Kammern und werden nach dem Spülen mit Reinigungsmittel in den Reinigungskammern 11, 12, 13, 14 und 15 benetzten Borstenelemente 10 in der zweiten Kammer 19 gerade soweit entfeuchtet, daß zum einen beim Überstreichen der Walzenoberfläche ein unerwünschtes Austreten von Reinigungsmittel aus dem Spalt zwischen der Walze 02 und der Vorrichtung 01 weitgehend verhindert wird, zum anderen aber beim Überstreichen der an der Walzenoberfläche angeordneten Platte 40 mit den Borstenelementen 10 eine ausreichende Menge von Reinigungsmittel auf die Platte übertragen wird, um die durch den Reinigungsvorgang zu entfernende Farbe anzuweichen.Should cleaning of the roller 02 or the now after the printing process flexographic plate 40, the cleaning chambers 11, 12, 13, 14 and 15 rinsed with cleaning liquid and thereby the bristle elements 10 wetted. When the toothed belt 03 is subsequently driven, the bristle elements 10 migrate the chambers arranged one behind the other and after washing with Wet detergent in the cleaning chambers 11, 12, 13, 14 and 15 Bristle elements 10 in the second chamber 19 just dehumidified to the one an undesirable leakage when painting over the roller surface Detergent from the gap between the roller 02 and the device 01 is largely prevented, but on the other hand when painting over the Plate 40 arranged with the bristle elements 10 a roller surface sufficient amount of detergent is transferred to the plate to pass through soften the paint to be removed during the cleaning process.

Bei der weiteren Bewegung des Zahnriemens 03 erfolgt also durch die Borstenelemente 10 zunächst sowohl eine Übertragung von Reinigungsmittel auf die zu reinigende Fläche als auch eine mechanisch abrasives Abtragen der Verschmutzung. Mit zunehmender Abgabe der Restfeuchte der Borstenelemente 10 auf die Oberfläche der Walze 02 bzw. der flexographischen Platte 40 sind die Borstenelemente 10 in der Lage, die Farbreste von der Walzenoberfläche aufzunehmen und über die Spülung in den Reinigungskammern 11, 12, 13, 14 und 15 zur Abscheidung abzugeben. Die Zykluszeit, d.h. insbesondere die Verweildauer und Menge des Reinigungsmittels auf der Walzenoberfläche, ist insbesondere durch die Anpassung der Drehzahl der Walze 02 und der Drehgeschwindigkeit des Zahnriemens, aber auch durch Einstellung des Restfeuchtegehalts der Borstenelemente 10 in der Kammer 18 in Abhängigkeit beispielsweise vom Verschmutzungsgrad in weiten Grenzen frei einstellbar.With the further movement of the toothed belt 03 takes place through the bristle elements 10 first both a transfer of cleaning agent to the surface to be cleaned as well as a mechanically abrasive removal of the pollution. With increasing Release of the residual moisture of the bristle elements 10 onto the surface of the roller 02 or of the flexographic plate 40, the bristle elements 10 are able to remove the paint residues of the roller surface and the flushing into the Dispense cleaning chambers 11, 12, 13, 14 and 15 for separation. The cycle time, i.e. in particular the length of stay and amount of detergent on the Roller surface, is particularly by adjusting the speed of the roller 02 and the speed of rotation of the toothed belt, but also by adjusting the Residual moisture content of the bristle elements 10 in the chamber 18 depending For example, the degree of contamination can be freely adjusted within wide limits.

Durch die Anordnung eines zweiten Zahnriemens 27, der in grundsätzlich der gleichen Weise wirkt, jedoch gegenläufig zum Zahnriemen 03 angetrieben ist, kann insbesondere die Reinigungsfläche vergrößert und dadurch die Reinigungszeit verkürzt werden. Aufgrund der gegenläufigen Bewegung der beiden Zahnriemen 03 und 27 unterliegen zudem die in Bewegungsrichtung der Zahnriemen 03 und 27 gegenüberliegenden Flanken der bestimmungsgemäßen Erhöhungen und/oder Vertiefungen der Walzenoberfläche einer gleichmäßigeren Reinigungswirkung, da "Schattenbereiche" weitestgehend verhindert werden.By arranging a second toothed belt 27, which is basically the same Acts in a manner, but is driven in the opposite direction to the toothed belt 03, in particular the cleaning area is enlarged and the cleaning time is shortened. Due to the opposite movement of the two timing belts 03 and 27 are subject also those opposite in the direction of movement of the toothed belts 03 and 27 Flanks of the intended increases and / or depressions of the Roller surface of a more uniform cleaning effect, since "shadow areas" be largely prevented.

Die Vorrichtung 01 ist ferner mit einem Gehäuse 41 versehen, das zur Walze 02 hin offen ist. Die Kantenbereiche des Gehäuses 41 im Bereich beider Stirnseiten der Walze 02 weisen Spritzbleche 42 und 43 auf, die, in Abhängigkeit von der Drehrichtung der Zahnriemen 03 und 27, ein unkontrolliertes Abspritzen von Reinigungsmittel beim Austritt der Borstenelemente 10 aus der Kammer 18 bzw. von verschmutztem Reinigungsmittel beim Eintritt der Borstenelemente 10 in das Gehäuse 41 verhindern. The device 01 is also provided with a housing 41 which is open towards the roller 02 is. The edge regions of the housing 41 in the region of both end faces of the roller 02 have splash plates 42 and 43 which, depending on the direction of rotation of the Timing belts 03 and 27, an uncontrolled spraying of cleaning agent when it comes out the bristle elements 10 from the chamber 18 or from dirty cleaning agent prevent the bristle elements 10 from entering the housing 41.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Vorrichtungcontraption
0202
Walzeroller
0303
Trägerelement, ZahnriemenCarrier element, timing belt
0404
Riemenscheibepulley
0505
Riemenscheibepulley
0606
erstes Trum (03)first run (03)
0707
zweites Trum (03)second strand (03)
0808
Mittelachse (04)Central axis (04)
0909
Mittelachse (05)Central axis (05)
1010
Reinigungselement, BorstenelementCleaning element, bristle element
1111
Reinigungskammercleaning chamber
1212
Reinigungskammercleaning chamber
1313
Reinigungskammercleaning chamber
1414
Reinigungskammercleaning chamber
1515
Reinigungskammercleaning chamber
1616
ZulaufIntake
1717
Ablaufprocedure
1818
Kammerchamber
1919
Ablaufprocedure
2020
Sammelkanalcollecting duct
2121
Leitungmanagement
2222
Sammelgefäßcollection vessel
2323
Filterelementfilter element
2424
Sammelgefäßcollection vessel
2525
Pumpepump
2626
Leitungmanagement
2727
Zahnriemen toothed belt
2828
Borstenelementebristle elements
2929
Führungselementguide element
3030
Vertiefungdeepening
3131
Vertiefungdeepening
3232
Vertiefungdeepening
3333
Vertiefungdeepening
3434
Bauteilcomponent
3535
Reinigungskammercleaning chamber
3636
Ablaufprocedure
3737
ZulaufIntake
3838
Sammelleitungmanifold
3939
Sammelleitungmanifold
4040
Platteplate
4141
Gehäusecasing
4242
Spritzblechsplashboard
4343
Spritzblechsplashboard

Claims (11)

  1. Device for cleaning a roller (02) or a cylinder, with at least one cleaning element (10, 28), which basically can be moved in the longitudinal direction of the roller (02) to be cleaned along the latter, whereby the cleaning element (10, 28) is arranged on a carrier element (03, 27) revolving essentially in the longitudinal direction of the roller (02), and the carrier element (03, 27) has a belt half (06) towards the roller (02) and a belt half (07) away from the roller (02), at least two carrier elements (03, 27) being arranged one behind the other in relation to the circumferential direction of the roller (02), characterized in that the cleaning elements (10, 28) of the two carrier elements (03, 27) are placed simultaneously on the roller (02).
  2. Device according to Claim 1, characterized in that at least two carrier elements (03, 27) can be driven in opposite directions.
  3. Device according to Claim 2, characterized in that neighbouring carrier elements (03, 27) can be driven together in opposite directions.
  4. Device according to one of Claims 1 to 3, characterized in that the direction of movement of the carrier elements (03, 27) can be reversed.
  5. Device according to Claim 1, characterized in that the cleaning element (10, 28) is formed like a brush or brush head.
  6. Device according to Claim 1, characterized in that the carrier element (03, 27) is formed like a conveyor, chain or belt.
  7. Device according to Claim 6, characterized in that the carrier element (03, 27) is formed like a toothed belt.
  8. Device according to Claim 1, characterized in that the carrier element (03, 27) is run at both axial ends over roller, pulley or tooth-like guide elements (04, 05), whereby at least one of these guide elements (04, 05) can be driven.
  9. Device according to Claim 8, characterized in that between the opposing guide elements (04, 05) of the carrier elements (03, 27) there is a carrier element guide (29), in which the carrier elements (03, 27) are guided at least in sections and supported against the roller (02) to be cleaned.
  10. Device according to Claim 1, characterized in that the belt half (07) away from the roller (02) runs through at least one cleaning chamber (11, 12, 13, 14, 15) in sections, in which the cleaning element (10, 28) is subjected to a cleaning process.
  11. Device according to Claim 1, characterized in that the roller (02) or cylinders are arranged in a web-fed printing press.
EP01913556A 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder Expired - Lifetime EP1259379B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03101554A EP1342576B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder
EP03101552A EP1342575B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10009353A DE10009353A1 (en) 2000-02-28 2000-02-28 Roller or cylinder cleaner has cleaning and support elements, and two stringers,
DE10009353 2000-02-28
PCT/DE2001/000385 WO2001064440A1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP03101552A Division EP1342575B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder
EP03101554A Division EP1342576B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder

Publications (2)

Publication Number Publication Date
EP1259379A1 EP1259379A1 (en) 2002-11-27
EP1259379B1 true EP1259379B1 (en) 2003-11-05

Family

ID=7632708

Family Applications (3)

Application Number Title Priority Date Filing Date
EP01913556A Expired - Lifetime EP1259379B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder
EP03101554A Expired - Lifetime EP1342576B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder
EP03101552A Expired - Lifetime EP1342575B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP03101554A Expired - Lifetime EP1342576B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder
EP03101552A Expired - Lifetime EP1342575B1 (en) 2000-02-28 2001-02-01 Device for cleaning a roller or a cylinder

Country Status (5)

Country Link
EP (3) EP1259379B1 (en)
AT (3) ATE253458T1 (en)
AU (1) AU2001239151A1 (en)
DE (4) DE10009353A1 (en)
WO (1) WO2001064440A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2171631A (en) * 1935-07-08 1939-09-05 Celanese Corp Device for cleaning rotating cylinders
US3411444A (en) * 1966-04-22 1968-11-19 Oxy Dry Internat Ltd Blanket washing apparatus for use with printing presses
JPH03288756A (en) * 1990-04-02 1991-12-18 Tokyo Kikai Seisakusho Ltd Drag roller device
DE4426079A1 (en) * 1994-07-22 1996-01-25 Baldwin Gegenheimer Gmbh Device for cleaning rollers
US5568768A (en) * 1995-05-04 1996-10-29 Presstek, Inc. Cleaning apparatus for offset plates
DE19734103B4 (en) * 1997-08-07 2008-08-07 Koenig & Bauer Aktiengesellschaft Device for developing cylindrical surfaces

Also Published As

Publication number Publication date
ATE334826T1 (en) 2006-08-15
EP1342576A3 (en) 2003-09-24
DE50110645D1 (en) 2006-09-14
EP1342576A2 (en) 2003-09-10
EP1342576B1 (en) 2006-08-02
ATE253458T1 (en) 2003-11-15
ATE334825T1 (en) 2006-08-15
AU2001239151A1 (en) 2001-09-12
DE50110646D1 (en) 2006-09-14
EP1259379A1 (en) 2002-11-27
EP1342575A2 (en) 2003-09-10
DE10009353A1 (en) 2001-09-20
DE50100904D1 (en) 2003-12-11
WO2001064440A1 (en) 2001-09-07
EP1342575B1 (en) 2006-08-02
EP1342575A3 (en) 2003-09-24

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