EP1981655B2 - Cleaning device for an embossing device - Google Patents

Cleaning device for an embossing device Download PDF

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Publication number
EP1981655B2
EP1981655B2 EP06829470.1A EP06829470A EP1981655B2 EP 1981655 B2 EP1981655 B2 EP 1981655B2 EP 06829470 A EP06829470 A EP 06829470A EP 1981655 B2 EP1981655 B2 EP 1981655B2
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EP
European Patent Office
Prior art keywords
cleaning
film
transfer
coating
transfer film
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.)
Not-in-force
Application number
EP06829470.1A
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German (de)
French (fr)
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EP1981655B1 (en
EP1981655A2 (en
Inventor
Uwe Püschel
Jürgen Schölzig
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 Sheetfed GmbH
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Manroland Sheetfed GmbH
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Application filed by Manroland Sheetfed GmbH filed Critical Manroland Sheetfed GmbH
Publication of EP1981655A2 publication Critical patent/EP1981655A2/en
Application granted granted Critical
Publication of EP1981655B1 publication Critical patent/EP1981655B1/en
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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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/062—Presses of the rotary type
    • 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

Definitions

  • the invention relates to a method and a device for transferring imaging or covering layers from a carrier film to printed sheets according to the preamble of patent claim 1 and of patent claim 10, respectively.
  • a printing sheet After a printing sheet is provided with a two-dimensional adhesive application or an adhesive pattern, it is passed through the coating unit, wherein by means of the pressure roller, the pressure sheet resting on the impression cylinder is brought into contact with the film material.
  • the down-facing functional layer engages tightly with the adhesive-provided areas on the signature. Thereafter, the functional layer adheres only in the region of the pattern provided with adhesive or even adhesive areas over the entire surface, wherein the carrier film is removed from the functional layer in the region of the adhesive pattern.
  • the print sheet is laid out in the coated state.
  • cleaning devices in printing machines such as impression cylinder washing machines or blanket washing devices. These can be designed as cloth washing devices or brush washing devices, also in combination with extraction systems.
  • Klischeecurisanlagen by spraying and suction comparable to a device according to the DE 195 26 574 A1
  • spray-suction elements in a traversing arrangement are comparable to a device according to the DE 195 20 551 A1 suitable.
  • cleaning devices as pure suction, eg as suction, usable.
  • the object of the invention is therefore to provide a method according to the preamble of claim 1 and an apparatus according to the preamble of claim 10, by means of which a film coating of printed sheets can be simple, safe, economical and accurate, and method and apparatus should be easy to handle and in particular, contamination of the coating area due to film waste or impurities originating from the transfer film should be avoided.
  • an apparatus and a method for cleaning the press roll and the film web, which is contaminated with film waste or linting of the film edges are proposed.
  • the press roller and the guide of the film web are provided with a cleaning system.
  • This can be a known so-called brush washer or a cloth washer or a suction, as they are widely used in printing machines.
  • Klischeemassanlagen which act by means of the action of a spray and an associated suction device. But it can also be provided in a traversing arrangement, the arrangement of a spray-suction element. Finally, a stripping brush can be provided in a rotating arrangement with integrated suction.
  • the cleaning system is operated inline, i.
  • impurities that are continuously accumulated in the press nip are disposed of from the transfer film or film waste.
  • the cleaning can be supplemented by a method and a device which refers to the removal of film residues by means of a suction device on the film web itself.
  • devices can be used which are arranged similar to a vacuum cleaner on the film guide.
  • a combination of film guide and suction device can be used for this purpose.
  • the or a suction device can also be employed as an alternative or in addition to the press cylinder in order to suck off loose particles adhering thereon from the film web.
  • the device can also be used for the printing process, which can be used on the printing unit when the film application is not switched on.
  • a software that is integrated into a control station of the printing press and that generates automated processes can ensure that the required processes are coordinated with one another. The automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.
  • FIG. 1 shows parts of a sheet-fed rotary printing press with two printing units.
  • a printed sheet is first provided with a two-dimensional or imaging adhesive pattern (printing unit as commissioned work 1).
  • the printed sheet is guided together with a transfer film 5 under pressure through a transfer nip 6 (coating unit 2).
  • the applicator 1 may be a per se known offset printing unit with an inking unit 11, a plate cylinder 12 and a blanket cylinder 13.
  • the blanket cylinder 13 cooperates with a counter-pressure cylinder 4.
  • the coating unit 2 can also be formed by an offset printing unit.
  • the transfer nip 6 in the coating unit 2 is formed by a press roll 3 and an impression cylinder 4.
  • the press roller 3 may correspond to the blanket cylinder.
  • the press roll 3 may also correspond to the forme cylinder of a paint module.
  • a web guide 14 for transfer films is shown within the coating unit 2 used for the film transfer.
  • the transfer film 5 is thereby switched on and executed by protective devices 15 of the coating unit 2.
  • an integrated in the applicator 1 film transfer device may be provided, whereby an integrated film application module is created.
  • a press roll 3 ' is assigned downstream of a printing gap between a blanket or forme cylinder 13 and the impression cylinder 4 on a counter-pressure cylinder 4.
  • the cold foil stamping takes place in a single integrated foil application module FA, as in FIG. 1 indicated.
  • FIG. 1 schematically shown in the order unit 1, can be arranged in an integrated film application module FA and a contractor in a compact design within the coating module.
  • the transfer film would be guided here around the blanket cylinder 13 or approximately tangentially past it through the designated printing nip.
  • Such an adhesive applicator device 1 ' may consist of a compact forme cylinder for supporting a printing form for the adhesive and an applicator of a chamber doctor blade and an anilox roller for supplying the adhesive.
  • the adhesive application is first carried out on the printing substrate and the film application is carried out immediately thereafter.
  • the film supply roll 8 is assigned to the coating unit 2 on the sheet feed side.
  • the film supply roll 8 has a rotary drive 7 for the continuous controlled feeding of the transfer film to the coating unit 2.
  • a film feed deflection or tension rollers for guiding the transfer film 5 may be provided in a substantially constant tension against the press roller 3.
  • a film collecting roller 9 is provided for the used sheet material.
  • a rotary drive 7 on the film collecting roller 9 is always advantageous. It can even be provided that the transfer film 5 is conveyed on the outlet side by means of the rotary drive 7 and held taut on the inlet side by means of a brake.
  • the press roll 3 (as a blanket cylinder or forme cylinder or separate press roll) carries on its surface a compressible or damping, e.g. also provided with a compressible intermediate layer element.
  • the press roll 3 can be provided with a press fabric 10, for example as a plastic cover, comparable to a blanket or blanket, which is held in a cylinder channel on clamping devices.
  • the associated device preferably includes a corresponding feed control for the transfer sheet 5, which ensures that at least the lying in the region of the press roller 3 and the impression cylinder 4 part of the film web is stationary as long as the cylinder channel passes.
  • a further improvement of the film utilization of the type described results when the transfer film 5 is divided into one or more Operafolienbahnen lesser width. This can, with appropriate control by means of the device or facilities to the timing of the film feed each of the partial film webs, the utilization of the transfer film 5 are improved even in zonally different lengths coating areas within a sheet.
  • dryer 16 can be provided in the film application module thus formed from the applicator 1 and the coating unit 2, by means of which the adhesive application or the entire film coating can be dried.
  • the adhesive application or the entire film coating can be dried.
  • UV dryer for example UV dryer in question.
  • the film application module may include a monitoring device 17 for scanning the sheet surface.
  • the monitoring device 17 enables the evaluation of image contents of the coating and the detection of defects in the film coating.
  • Such a monitoring device can also be provided in conjunction with the printing press, in which the film application module is integrated. Then it can be arranged for example in the sheet delivery of the printing press or a last printing unit.
  • an apparatus and a method for cleaning the press roller 3, which is contaminated with film waste or linting of the film edges are used.
  • the impurities occur as mica, mica dust, e.g. on the cutting edge of the film web 5.
  • Mica preferably lays down in the area of the format edges of the film web 5 on the surface of the press roll 3, 3 'and accumulates there cumulatively.
  • the press roller 3 is provided with a cleaning device R. This may be a known so-called brush washer or a cloth washing system, as they are widely used in printing machines. These systems can also be combined with suction devices
  • cleaning means R of the press roll 3 may alternatively be arranged in the sheet transport direction on the front or rear side of the circumference of the press roll 3. Furthermore, a cleaning device R 'can be arranged on the pressure roller 3'.
  • the cleaning devices R, R ' are arranged on the circumference of the press roll 3 and the pressure roller 3 and arranged ab nieth.
  • holders and motion drives of known type are arranged in the coating unit 2 or foil application module FA.
  • a cleaning device R or R ' is preferably operated inline. This means that the cleaning devices R or R 'disposed of during the coating process by means of the coating unit 2 and the film application module FA continuously in the press nip 6 impurities or film waste from the transfer film.
  • at least one cleaning device R or R ' is permanently attached to a region of the press roll 3 or the pressure roll 3' free of the transfer film 5.
  • Klischeemakers are known from the application in flexographic printing machines and act by means of the action of a directed onto the surface to be cleaned spray jet and the flushed impurities receiving suction device.
  • Both devices can also be used during the coating operation on the press roll 3, 3 '. In this way, the press roller 3, 3 'constantly be kept free of impurities.
  • cleaning devices which have only one suction device, such as e.g. a suction bar.
  • a stripping brush can be provided in a rotating arrangement with an integrated device in the stripping brush for the extraction of the stripped contaminants.
  • the cleaning device R can also be used for the conventional printing process, if this is used in unused film coating on the printing unit. Then, the cleaning device R can be used to the blanket cylinder or the impression cylinder 4 for cleaning the surface of color contamination.
  • a coupled to the machine control of the printing press and automated software ensure that a corresponding mutual coordination of the required processes of coating and cleaning takes place on each other.
  • the automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.
  • controller can ensure that the cleaning of aggregates involved in the coating process is coordinated with one another.
  • cleaning equipment in connection with film transfer applications is not limited to the examples described. Rather, it can also be applied to other areas of the guidance of the film web. This is possible, for example, in the area of guide elements or film rolls or web drives or dancer roll.
  • cleaning devices in the form can also be arranged directly in connection with a guide device of the film web of the transfer film 5.
  • cleaning devices can be arranged both on one side and on both sides of the film web.
  • the cleaning devices can also be assigned to the edges of the film web, since there the dirt particles or mica particles from the film cut preferably occur.
  • cleaning devices may be arranged on the film web both in the region of the feed of the transfer film 5 to the transfer nip 6 and in the region of the discharge of the transfer film 5 from the transfer nip 6. This ensures that particles which are first in the transfer nip, e.g. be released by the transfer process and dragged along by the film web, also be safely removed and so can not pollute the printing press.
  • the cleaning devices on the film web are preferably designed as suction devices.
  • suction devices can be designed in the manner of so-called vacuum cleaners, as known from the field of sheet guides on sheet-fed presses.
  • the cleaning devices R, R ' are also designed as combined devices for cleaning the press rolls 3, 3' and the film webs 5, 5 'guided accordingly.
  • a suction device is particularly suitable which is equipped with corresponding action surfaces in the direction of the various elements involved in the transfer process.
  • the cleaning devices R, R ' can for the combined use of the press roll 3, 3' and the film web of the transfer film 5, 5 'also partially mechanically acting elements, such as brushes, and in addition pneumatically acting elements, such as suction slots have.
  • the pneumatically acting cleaning elements can be carried out on the mechanically acting cleaning device R, R 'retrofitted.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Description

Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Transfer bildgebender oder abdeckender Schichten von einer Trägerfolie auf Druckbogen nach dem Oberbegriff des Patentanspruchs 1 bzw. des Patentanspruches 10.The invention relates to a method and a device for transferring imaging or covering layers from a carrier film to printed sheets according to the preamble of patent claim 1 and of patent claim 10, respectively.

Es ist bekannt metallische Schichten auf Druckbogen mittels eines Folientransferverfahrens herzustellen. So ist in der EP 0 569 520 B1 ein Druckmaterial und eine Druckvorrichtung, die dieses Material verwendet, beschrieben. In einer Bogen verarbeitenden Maschine mit einem Anleger und einem Ausleger sind Druckwerke und ein Beschichtungswerk angeordnet. In wenigstens einem Druckwerk wird ein Klebstoffmuster als Drucksujet im Flachdruckverfahren aufgetragen. In dem Beschichtungswerk nach dem Druckwerk sind ein Gegendruckzylinder, eine Presswalze und eine Folienführung vorgesehen. Darin wird von einer Folienvorratsrolle ein Folienstreifen durch den Transferspalt des Beschichtungswerkes zwischen Gegendruckzylinder und Presswalze geführt und auf der Auslaufseite nach dem Verlassen des Beschichtungswerkes wieder aufgewickelt. Die Transferfolie enthält eine Trägerfolie, auf der Funktionsschichten verschiedener Art wie metallische Schichten, beispielsweise aus Aluminium, oder Kunststoffschichten aufgebracht sein können. Zwischen Funktionsschicht und Trägerfolie ist eine Trennschicht vorgesehen, mittels derer die Funktionsschicht von der Trägerschicht abziehbar ist.It is known to produce metallic layers on printed sheets by means of a film transfer process. So is in the EP 0 569 520 B1 a printing material and a printing apparatus using this material are described. In a sheet-fed machine with a feeder and a boom, printing units and a coating unit are arranged. In at least one printing unit, an adhesive pattern is applied as a printed matter in the planographic printing process. In the coating unit after the printing unit, a counter-pressure cylinder, a pressure roller and a film guide are provided. Therein, a foil strip is passed through a foil supply roll through the transfer nip of the coating unit between impression cylinder and press roll and rewound on the exit side after leaving the coating unit. The transfer film contains a carrier film on which functional layers of various types, such as metallic layers, for example of aluminum, or plastic layers can be applied. Between functional layer and carrier film, a separating layer is provided, by means of which the functional layer can be removed from the carrier layer.

Nachdem ein Druckbogen mit einem flächigen Klebstoffauftrag oder einem Klebstoffmuster versehen ist, wird er durch das Beschichtungswerk geführt, wobei mittels der Presswalze der auf dem Gegendruckzylinder aufliegende Druckbogen mit dem Folienmaterial in Verbindung gebracht wird. Dabei geht die nach unten liegende Funktionsschicht eine enge Verbindung mit den mit Klebstoff versehenen Bereichen auf dem Druckbogen ein. Danach haftet die Funktionsschicht lediglich im Bereich der mit Klebstoff versehenen Muster oder auch völlflächigen Kleberbereiche an, wobei der Trägerfolie die Funktionsschicht im Bereich der Klebstoffmuster entnommen wird. Der Druckbogen wird im beschichteten Zustand ausgelegt.After a printing sheet is provided with a two-dimensional adhesive application or an adhesive pattern, it is passed through the coating unit, wherein by means of the pressure roller, the pressure sheet resting on the impression cylinder is brought into contact with the film material. The down-facing functional layer engages tightly with the adhesive-provided areas on the signature. Thereafter, the functional layer adheres only in the region of the pattern provided with adhesive or even adhesive areas over the entire surface, wherein the carrier film is removed from the functional layer in the region of the adhesive pattern. The print sheet is laid out in the coated state.

Bei der Anwendung des Beschichtungsverfahrens ist es möglich, dass sich von der Folienbahn bzw. von deren Schnittrand vor oder nach dem Folienauftrag kleine bis kleinste Partikel ablösen, die das Beschichtungswerk verschmutzen und den Arbeitserfolg schmälern. Dies kann auch durch den Beschichtungsvorgang selbst erfolgen.When applying the coating method, it is possible that detach from the film web or the cut edge before or after the film order small to very small particles that pollute the coating and reduce the success of the work. This can also be done by the coating process itself.

An sich bekannt sind Reinigungseinrichtungen in Druckmaschinen wie Druckzylinderwaschvorrichtungen oder Gummituchwaschvorrichtungen. Diese können als Tuchwaschvorrichtungen oder Bürstenwaschvorrichtungen, auch in Kombination mit Absauganlagen ausgeführt sein. Gleichfalls geeignet für derartige Zwecke sind Klischeereinigungsanlagen durch Sprühen und Saugen vergleichbar einer Vorrichtung nach der DE 195 26 574 A1 . Weiterhin sind Sprüh-Saugelemente in traversierender Anordnung vergleichbar einer Vorrichtung nach der DE 195 20 551 A1 geeignet. Weiterhin sind Reinigungseinrichtungen als reine Absaugeinrichtungen, z.B. als Absaugleisten, verwendbar.Known in the art are cleaning devices in printing machines such as impression cylinder washing machines or blanket washing devices. These can be designed as cloth washing devices or brush washing devices, also in combination with extraction systems. Likewise suitable for such purposes are Klischeereinigungsanlagen by spraying and suction comparable to a device according to the DE 195 26 574 A1 , Furthermore, spray-suction elements in a traversing arrangement are comparable to a device according to the DE 195 20 551 A1 suitable. Furthermore, cleaning devices as pure suction, eg as suction, usable.

Aufgabe der Erfindung ist es daher ein Verfahren nach dem Oberbegriff des Anspruchs 1 und eine Vorrichtung nach dem Oberbegriff des Anspruchs 10 vorzusehen, mittels derer eine Folienbeschichtung von Druckbogen einfach, sicher, wirtschaftlich und exakt erfolgen kann, wobei Verfahren und Vorrichtung einfach handhabbar sein sollen und insbesondere eine Verschmutzung des Beschichtungsbereiches durch Folienabfälle oder Verunreinigungen, die von der Transferfolie stammen, vermieden werden soll.The object of the invention is therefore to provide a method according to the preamble of claim 1 and an apparatus according to the preamble of claim 10, by means of which a film coating of printed sheets can be simple, safe, economical and accurate, and method and apparatus should be easy to handle and in particular, contamination of the coating area due to film waste or impurities originating from the transfer film should be avoided.

Die Lösung dieser Aufgabe ergibt sich in einem Verfahren gemäß den Merkmalen der Patentanspruches 1 und in einer Vorrichtung gemäß den Merkmalen der Patentanspruches 10.The solution of this problem results in a method according to the features of claim 1 and in a device according to the features of claim 10th

Erfindungsgemäß wird eine Vorrichtung und ein Verfahren zur Reinigung der Presswalze und der Folienbahn, die mit Folienabfall bzw. Fusseln der Folienränder verunreinigt wird vorgeschlagen. Hierzu werden die Presswalze und die Führung der Folienbahn mit einer Reinigungsanlage versehen. Dies kann eine an sich bekannte so genannte Bürstenwaschanlage oder eine Tuchwaschanlage oder eine Absauganlage sein, wie sie vielfach in Druckmaschinen Anwendung finden.According to the invention, an apparatus and a method for cleaning the press roll and the film web, which is contaminated with film waste or linting of the film edges, are proposed. For this purpose, the press roller and the guide of the film web are provided with a cleaning system. This can be a known so-called brush washer or a cloth washer or a suction, as they are widely used in printing machines.

Gleichfalls geeignet sind Klischeereinigungsanlagen, die mittels der Einwirkung eines Sprühstrahls und einer zugeordneten Saugeinrichtung wirken. Es kann aber auch die Anordnung eines Sprüh-Saugelementes in traversierender Anordnung vorgesehen werden. Schließlich kann auch eine Abstreifbürste in rotierender Anordnung mit integrierter Absaugung vorgesehen sein.Also suitable are Klischeereinigungsanlagen which act by means of the action of a spray and an associated suction device. But it can also be provided in a traversing arrangement, the arrangement of a spray-suction element. Finally, a stripping brush can be provided in a rotating arrangement with integrated suction.

Zur Durchführung des Reinigungsverfahrens wird die Reinigungsanlage inline betrieben, d.h. während des Applikationsprozesses werden fortwährend im Pressspalt anfallende Verunreinigungen von der Transferfolie oder Folienabfall entsorgt.To carry out the cleaning process, the cleaning system is operated inline, i. During the application process, impurities that are continuously accumulated in the press nip are disposed of from the transfer film or film waste.

Die Reinigung kann durch ein Verfahren und eine Einrichtung ergänzt werden, die sich auf die Beseitigung von Folienresten mittels einer Absaugeinrichtung an der Folienbahn selbst bezieht. Hierbei können Vorrichtungen verwendet werden, die ähnlich einer Staubsaugeinrichtung an der Folienführung angeordnet sind. In vorteilhafter Weise kann hierfür eine Kombination aus Folienführung und Absaugeinrichtung verwendet werden. Die oder eine Absaugeinrichtung kann aber auch alternativ oder zusätzlich an den Presszylinder angestellt sein, um dort anhaftende lose Partikel von der Folienbahn abzusaugen.The cleaning can be supplemented by a method and a device which refers to the removal of film residues by means of a suction device on the film web itself. In this case, devices can be used which are arranged similar to a vacuum cleaner on the film guide. Advantageously, a combination of film guide and suction device can be used for this purpose. However, the or a suction device can also be employed as an alternative or in addition to the press cylinder in order to suck off loose particles adhering thereon from the film web.

Je nach Reinigungseinrichtung kann die Vorrichtung auch für den Druckprozess verwendet werden, der bei nicht eingeschalteter Folienapplikation auf dem Druckwerk nutzbar ist. Weiterhin kann eine in einen Leitstand der Druckmaschine eingebundene und automatisierte Abläufe generierende Software dafür sorgen, dass eine entsprechende gegenseitige Abstimmung der erforderlichen Prozesse auf einander erfolgt. Die automatisierte Reinigung der Presswalze erfolgt ohne zusätzliche Entnahme von Transferfolie und bietet daher eine große Zeitersparnis.Depending on the cleaning device, the device can also be used for the printing process, which can be used on the printing unit when the film application is not switched on. Furthermore, a software that is integrated into a control station of the printing press and that generates automated processes can ensure that the required processes are coordinated with one another. The automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.

Im Folgenden wird die Erfindung anhand zeichnerischer Darstellungen näher dargestellt.In the following, the invention is illustrated in more detail with reference to drawings.

Dabei zeigt:

Figur 1
eine Druckmaschine mit einer Folientransfereinrichtung.
Showing:
FIG. 1
a printing machine with a film transfer device.

Figur 1 zeigt Teile einer Bogenrotationsdruckmaschine mit zwei Druckwerken. Darin wird ein Druckbogen zunächst mit einem flächigen oder bildgebenden Klebstoffmuster versehen (Druckwerk als Auftragwerk 1). Im Folgedruckwerk wird der Druckbogen gemeinsam mit einer Transferfolie 5 unter Pressung durch einen Transferspalt 6 geführt, (Beschichtungswerk 2). FIG. 1 shows parts of a sheet-fed rotary printing press with two printing units. In it, a printed sheet is first provided with a two-dimensional or imaging adhesive pattern (printing unit as commissioned work 1). In the following printing unit, the printed sheet is guided together with a transfer film 5 under pressure through a transfer nip 6 (coating unit 2).

Das Auftragwerk 1 kann ein an sich bekanntes Offsetdruckwerk mit einem Farbwerk 11, einem Plattenzylinder 12 und einem Drucktuchzylinder 13 sein. Der Drucktuchzylinder 13 wirkt mit einem Gegendruckzylinder 4 zusammen.The applicator 1 may be a per se known offset printing unit with an inking unit 11, a plate cylinder 12 and a blanket cylinder 13. The blanket cylinder 13 cooperates with a counter-pressure cylinder 4.

Das Beschichtungswerk 2 kann ebenfalls durch ein Offsetdruckwerk gebildet sein. Der Transferspalt 6 im Beschichtungswerk 2 wird durch eine Presswalze 3 und einen Gegendruckzylinder 4 gebildet. Die Presswalze 3 kann dem Drucktuchzylinder entsprechen. Die Presswalze 3 kann auch dem Formzylinder eines Lackmodules entsprechen. Innerhalb des für den Folientransfer genutzten Beschichtungswerkes 2 ist eine Bahnführung 14 für Transferfolien dargestellt. Die Transferfolie 5 wird dabei durch Schutzeinrichtungen 15 des Beschichtungswerkes 2 ein- und wieder ausgeführt.The coating unit 2 can also be formed by an offset printing unit. The transfer nip 6 in the coating unit 2 is formed by a press roll 3 and an impression cylinder 4. The press roller 3 may correspond to the blanket cylinder. The press roll 3 may also correspond to the forme cylinder of a paint module. Within the coating unit 2 used for the film transfer, a web guide 14 for transfer films is shown. The transfer film 5 is thereby switched on and executed by protective devices 15 of the coating unit 2.

Alternativ kann wie im Zusammenhang des Auftragwerkes 1 gezeigt ist, eine in das Auftragwerk 1 integrierte Folientransfereinrichtung vorgesehen sein, wodurch ein integriertes Folienapplikationsmodul geschaffen wird. Hierbei wird an einem Gegendruckzylinder 4 einem Druckspalt zwischen einem Drucktuch- oder Formzylinder 13 und dem Gegendruckzylinder 4 nachgeordnet eine Presswalze 3' zugeordnet. So kann eine Folienbahn 5' einer Transferfolie nach der Beschichtung des Bedruckstoffes mittels des Auftragwerkes 1 einem wie zuvor genannt gebildeten Transferspalt 6' zugeführt und auch direkt wieder abgeführt werden. Die Kaltfolienprägung erfolgt so in einem einzigen integrierten Folienapplikationsmodul FA, wie in Figur 1 angedeutet.Alternatively, as shown in the context of applicator 1, an integrated in the applicator 1 film transfer device may be provided, whereby an integrated film application module is created. In this case, a press roll 3 'is assigned downstream of a printing gap between a blanket or forme cylinder 13 and the impression cylinder 4 on a counter-pressure cylinder 4. Thus, a film web 5 'of a transfer film after the coating of the printing material by means of the applicator 1 to a transfer gap formed as mentioned above 6' fed and also be discharged directly again. The cold foil stamping takes place in a single integrated foil application module FA, as in FIG. 1 indicated.

Wie in Figur 1 im Auftragwerk 1 schematisch dargestellt, kann in einem integrierten Folienapplikationsmodul FA auch ein Auftragwerk in kompakter Bauweise innerhalb des Beschichtungsmodules angeordnet sein. Dazu wird eine Kleberauftragvorrichtung 1' dem Gegendruckzylinder 4 zugeordnet und dem Transferspalt, der hier zwischen dem Gummizylinder 13 und dem Gegendruckzylinder 3 vorgesehen wäre, vorgelagert angeordnet sein. Die Transferfolie würde hier um den Gummizylinder 13 oder in etwa tangential an diesem vorbei durch den bezeichneten Druckspalt geführt.As in FIG. 1 schematically shown in the order unit 1, can be arranged in an integrated film application module FA and a contractor in a compact design within the coating module. For this purpose, an adhesive application device 1 'associated with the impression cylinder 4 and the transfer gap, which would be provided here between the blanket cylinder 13 and the impression cylinder 3, be arranged upstream. The transfer film would be guided here around the blanket cylinder 13 or approximately tangentially past it through the designated printing nip.

Eine derartige Kleberauftragvorrichtung 1' kann dazu aus einem kompakten Formzylinder zum Tragen einer Druckform für den Kleber und einem Auftragwerk aus einer Kammerrakel und einer Rasterwalze zum Zuführen des Klebers bestehen. Dabei wird am gleichen Gegendruckzylinder 4 wiederum integriert zunächst der Kleberauftrag auf dem Bedruckstoff vorgenommen und direkt darauf folgend der Folienauftrag durchgeführt.Such an adhesive applicator device 1 'may consist of a compact forme cylinder for supporting a printing form for the adhesive and an applicator of a chamber doctor blade and an anilox roller for supplying the adhesive. In this case, on the same counter-pressure cylinder 4, in turn, the adhesive application is first carried out on the printing substrate and the film application is carried out immediately thereafter.

Die Folienvorratsrolle 8 ist dem Beschichtungswerk 2 auf der Seite der Bogenzuführung zugeordnet. Die Folienvorratsrolle 8 weist einen Drehantrieb 7 zur kontinuierlichen geregelten Zuführung der Transferfolie zum Beschichtungswerk 2 auf. In der Folienzuführung können Umlenk- bzw. Spannwalzen zur Führung der Transferfolie 5 in einer im Wesentlichen konstanten Spannung gegenüber der Presswalze 3 vorgesehen sein. Auf der ablaufseitigen Seite des Druckwerkes ist eine Foliensammelrolle 9 für das verbrauchte Folienmaterial vorgesehen. Ein Drehantrieb 7 an der Foliensammelrolle 9 ist stets vorteilhaft. Es kann sogar vorgesehen sein, dass die Transferfolie 5 mittels des Drehantriebs 7 ablaufseitig gefördert und zulaufseitig mittels einer Bremse straff gehalten wird.The film supply roll 8 is assigned to the coating unit 2 on the sheet feed side. The film supply roll 8 has a rotary drive 7 for the continuous controlled feeding of the transfer film to the coating unit 2. In the film feed deflection or tension rollers for guiding the transfer film 5 may be provided in a substantially constant tension against the press roller 3. On the downstream side of the printing unit, a film collecting roller 9 is provided for the used sheet material. A rotary drive 7 on the film collecting roller 9 is always advantageous. It can even be provided that the transfer film 5 is conveyed on the outlet side by means of the rotary drive 7 and held taut on the inlet side by means of a brake.

Die Presswalze 3 (als Drucktuchzylinder oder Formzylinder oder separate Presswalze) trägt auf ihrer Oberfläche ein kompressibles bzw. dämpfendes, z.B. auch mit einer kompressiblen Zwischenschicht versehenes Element. Die Presswalze 3 kann dazu mit einer Pressbespannung 10 beispielsweise als Kunststoffüberzug, vergleichbar einem Gummituch bzw. Drucktuch, versehen sein, die in einem Zylinderkanal an Spannvorrichtungen gehalten wird.The press roll 3 (as a blanket cylinder or forme cylinder or separate press roll) carries on its surface a compressible or damping, e.g. also provided with a compressible intermediate layer element. For this purpose, the press roll 3 can be provided with a press fabric 10, for example as a plastic cover, comparable to a blanket or blanket, which is held in a cylinder channel on clamping devices.

Zur Sicherung der Wirtschaftlichkeit des Beschichtungsverfahrens kann vorgesehen sein, den Folienvorschub der Transferfolie 5 von der Folienvorratsrolle 8 zum Transferspalt 6 und zur Foliensammelrolle 9 schrittweise steuerbar ist, wobei die Transferfolie 5 dann angehalten wird, wenn keine Übertragung bildgebender oder abdeckender Schichten erfolgen soll.To ensure the efficiency of the coating process can be provided, the film feed of the transfer film 5 from the film supply roll 8 to the transfer nip 6 and the film collection roller 9 is gradually controlled, the transfer film 5 is then stopped, if no transfer of imaging or covering layers should take place.

Die zugehörige Vorrichtung beinhaltet vorzugsweise eine entsprechende Vorschubsteuerung für die Transferfolie 5, die dafür sorgt, dass wenigstens der im Bereich der Presswalze 3 und des Gegendruckzylinders 4 liegende Teil der Folienbahn stillsteht, solange der Zylinderkanal durchläuft.The associated device preferably includes a corresponding feed control for the transfer sheet 5, which ensures that at least the lying in the region of the press roller 3 and the impression cylinder 4 part of the film web is stationary as long as the cylinder channel passes.

Eine weitere Verbesserung der Folienausnutzung der beschriebenen Art ergibt sich, wenn die Transferfolie 5 in eine oder mehrere Teilfolienbahnen geringerer Breite aufgeteilt wird. Damit kann bei entsprechender Steuerung mit Hilfe der Einrichtung bzw. Einrichtungen zur Taktung des Folienvorschubes jeder der Teilfolienbahnen, die Ausnutzung der Transferfolie 5 auch bei zonal unterschiedlich langen Beschichtungsbereichen innerhalb eines Bogens verbessert werden.A further improvement of the film utilization of the type described results when the transfer film 5 is divided into one or more Teilfolienbahnen lesser width. This can, with appropriate control by means of the device or facilities to the timing of the film feed each of the partial film webs, the utilization of the transfer film 5 are improved even in zonally different lengths coating areas within a sheet.

Weiterhin können in dem so gebildeten Folienapplikationsmodul aus dem Auftragwerk 1 und dem Beschichtungswerk 2 Trockner 16 vorgesehen sein, mittels derer der Kleberauftrag oder die gesamte Folienbeschichtung getrocknet werden können. Hier kommen z.B. UV-Trockner in Frage.Furthermore, dryer 16 can be provided in the film application module thus formed from the applicator 1 and the coating unit 2, by means of which the adhesive application or the entire film coating can be dried. Here come, for example UV dryer in question.

Weiterhin kann das Folienapplikationsmodul eine Überwachungseinrichtung 17 zur Abtastung der Bogenoberfläche enthalten. Die Überwachungseinrichtung 17 ermöglicht die Auswertung von Bildinhalten der Beschichtung und die Feststellung von Fehlern in der Folienbeschichtung. Eine derartige Überwachungseinrichtung kann auch in Verbindung mit der Druckmaschine vorgesehen sein, in die das Folienapplikationsmodul integriert ist. Dann kann sie beispielsweise in dem Bogenausleger der Druckmaschine oder einem letzten Druckwerk angeordnet sein.Furthermore, the film application module may include a monitoring device 17 for scanning the sheet surface. The monitoring device 17 enables the evaluation of image contents of the coating and the detection of defects in the film coating. Such a monitoring device can also be provided in conjunction with the printing press, in which the film application module is integrated. Then it can be arranged for example in the sheet delivery of the printing press or a last printing unit.

Erfindungsgemäß wird in dem beschriebenen Beschichtungswerk 2 oder einem Folienapplikationsmodul FA eine Vorrichtung und ein Verfahren zur Reinigung der Presswalze 3, die mit Folienabfall bzw. Fusseln der Folienränder verunreinigt wird, eingesetzt. Die Verunreinigungen treten als Glimmer, Glimmerstaub, z.B. an der Schnittkante der Folienbahn 5 auf. Glimmer legt sich dabei bevorzugt im Bereich der Formatkanten der Folienbahn 5 auf der Oberfläche der Presswalze 3, 3' ab und sammelt sich dort kumulierend an. Um diesem Problem zu begegnen, wird die Presswalze 3 mit einer Reinigungsvorrichtung R versehen. Dies kann eine an sich bekannte so genannte Bürstenwaschanlage oder eine Tuchwaschanlage sein, wie sie vielfach in Druckmaschinen Anwendung finden. Diese Anlagen können auch mit Absaugeinrichtungen kombiniert seinAccording to the invention, in the described coating unit 2 or a film application module FA, an apparatus and a method for cleaning the press roller 3, which is contaminated with film waste or linting of the film edges, are used. The impurities occur as mica, mica dust, e.g. on the cutting edge of the film web 5. Mica preferably lays down in the area of the format edges of the film web 5 on the surface of the press roll 3, 3 'and accumulates there cumulatively. To counteract this problem, the press roller 3 is provided with a cleaning device R. This may be a known so-called brush washer or a cloth washing system, as they are widely used in printing machines. These systems can also be combined with suction devices

Gemäß Figur 1 können Reinigungseinrichtungen R der Presswalze 3 alternativ auf in Bogentransportrichtung vorderen oder hinteren Seite des Umfangs der Presswalze 3 angeordnet sein. Weiterhin kann eine Reinigungseinrichtung R' an der Andruckwalze 3' angeordnet sein.According to FIG. 1 For example, cleaning means R of the press roll 3 may alternatively be arranged in the sheet transport direction on the front or rear side of the circumference of the press roll 3. Furthermore, a cleaning device R 'can be arranged on the pressure roller 3'.

Die Reinigungseinrichtungen R, R' sind an den Umfang der Presswalze 3 bzw. der Andruckwalze 3 anstellbar bzw. von diesen abstellbar angeordnet. Hierzu sind Halterungen und Bewegungsantriebe bekannter Art in dem Beschichtungswerk 2 bzw. Folienapplikationsmodul FA angeordnet.The cleaning devices R, R 'are arranged on the circumference of the press roll 3 and the pressure roller 3 and arranged abstellbar this. For this purpose, holders and motion drives of known type are arranged in the coating unit 2 or foil application module FA.

Zur Durchführung des Reinigungsverfahrens wird eine Reinigungseinrichtung R bzw. R' in bevorzugter Weise inline betrieben. Damit ist gemeint, dass die Reinigungseinrichtungen R bzw. R' während des Beschichtungsprozesses mittels des Beschichtungswerkes 2 bzw. des Folienapplikationsmoduls FA fortwährend im Pressspalt 6 anfallende Verunreinigungen oder Folienabfall von der Transferfolie entsorgt. Hierzu ist wenigstens eine Reinigungseinrichtung R bzw. R' dauernd an einen von der Transferfolie 5 freien Bereich der Presswalze 3 bzw. der Andruckwalze 3' angestellt.To carry out the cleaning process, a cleaning device R or R 'is preferably operated inline. This means that the cleaning devices R or R 'disposed of during the coating process by means of the coating unit 2 and the film application module FA continuously in the press nip 6 impurities or film waste from the transfer film. For this purpose, at least one cleaning device R or R 'is permanently attached to a region of the press roll 3 or the pressure roll 3' free of the transfer film 5.

Gleichfalls für die Reinigung der Presswalze 3 bzw. Andruckwalze 3' geeignet sind Klischeereinigungsanlagen. Klischeereinigungsanlagen sind aus der Anwendung in Flexodruckmaschinen bekannt und wirken mittels der Einwirkung eines auf die zu reinigende Oberfläche gerichteten Sprühstrahls und einer die abgespülten Verunreinigungen aufnehmenden Saugeinrichtung.Likewise suitable for the cleaning of the press roll 3 or pressure roll 3 'are Klischeereinigungsanlagen. Klischeereinigungsanlagen are known from the application in flexographic printing machines and act by means of the action of a directed onto the surface to be cleaned spray jet and the flushed impurities receiving suction device.

Alternativ hierzu kann auch die Anordnung eines gleichartig wirkenden Sprüh-Saugelementes in traversierender Anordnung vorgesehen werden.Alternatively, the arrangement of a similarly acting spray suction element can be provided in a traversing arrangement.

Beide Einrichtungen können auch während des Beschichtungsbetriebes an der Presswalze 3, 3' eingesetzt werden. Auf diese Weise kann die Presswalze 3, 3' ständig von Verunreinigungen frei gehalten werden.Both devices can also be used during the coating operation on the press roll 3, 3 '. In this way, the press roller 3, 3 'constantly be kept free of impurities.

Ebenfalls sind Reinigungseinrichtungen einsetzbar, die lediglich eine Absaugvorrichtung aufweisen, wie z.B. eine Absaugleiste.It is also possible to use cleaning devices which have only one suction device, such as e.g. a suction bar.

Schließlich kann auch eine Abstreifbürste in rotierender Anordnung mit einer in die Abstreifbürste integrierten Einrichtung zur Absaugung der abgestreiften Verunreinigungen vorgesehen sein.Finally, a stripping brush can be provided in a rotating arrangement with an integrated device in the stripping brush for the extraction of the stripped contaminants.

Je nach Art der Reinigungseinrichtung R kann diese auch für den konventionellen Druckprozess verwendet werden, wenn dieser bei nicht eingesetzter Folienbeschichtung auf dem Druckwerk genutzt wird. Dann kann die Reinigungseinrichtung R an den Drucktuchzylinder oder den Gegendruckzylinder 4 zur Reinigung von deren Oberfläche von Farbverschmutzungen eingesetzt werden.Depending on the type of cleaning device R, this can also be used for the conventional printing process, if this is used in unused film coating on the printing unit. Then, the cleaning device R can be used to the blanket cylinder or the impression cylinder 4 for cleaning the surface of color contamination.

Weiterhin kann eine an die Maschinensteuerung der Druckmaschine angekoppelte und automatisierte Software dafür sorgen, dass eine entsprechende gegenseitige Abstimmung der erforderlichen Prozesse von Beschichtung und Reinigung aufeinander erfolgt. Die automatisierte Reinigung der Presswalze erfolgt ohne zusätzliche Entnahme von Transferfolie und bietet daher eine große Zeitersparnis.Furthermore, a coupled to the machine control of the printing press and automated software ensure that a corresponding mutual coordination of the required processes of coating and cleaning takes place on each other. The automated cleaning of the press roll takes place without additional removal of transfer film and therefore offers a great time savings.

Weiterhin kann die Steuerung dafür sorgen, dass die Reinigung von am Beschichtungsprozess beteiligten Aggregaten aufeinander abgestimmt wird.Furthermore, the controller can ensure that the cleaning of aggregates involved in the coating process is coordinated with one another.

Die Anwendung von Reinigungseinrichtungen im Zusammenhang mit Folientransferapplikationen ist nicht auf die beschriebenen Beispiele beschränkt. Sie kann vielmehr auch auf andere Bereiche der Führung der Folienbahn angewendet werden. Dies ist beispielsweise im Bereich von Leitelementen oder Folienrollen oder Bahnantrieben oder Tänzerwalze möglich.The use of cleaning equipment in connection with film transfer applications is not limited to the examples described. Rather, it can also be applied to other areas of the guidance of the film web. This is possible, for example, in the area of guide elements or film rolls or web drives or dancer roll.

Insbesondere können Reinigungseinrichtungen in Form auch direkt in Verbindung mit einer Führungseinrichtung der Folienbahn der Transferfolie 5 angeordnet werden. Dabei können Reinigungseinrichtungen sowohl einseitig als auch beidseitig an der Folienbahn angeordnet sein. Insbesondere können die Reinigungseinrichtungen auch den Kanten der Folienbahn zugeordnet sein, da dort bevorzugt, die Schmutzpartikel bzw. Glimmerteilchen vom Folienschnitt auftreten.In particular, cleaning devices in the form can also be arranged directly in connection with a guide device of the film web of the transfer film 5. In this case, cleaning devices can be arranged both on one side and on both sides of the film web. In particular, the cleaning devices can also be assigned to the edges of the film web, since there the dirt particles or mica particles from the film cut preferably occur.

Weiterhin können Reinigungseinrichtungen an der Folienbahn sowohl im Bereich der Zuführung der Transferfolie 5 zum Transferspalt 6 als auch im Bereich der Abführung der Transferfolie 5 von dem Transferspalt 6 angeordnet sein. Damit wird sichergestellt, dass Partikel, die erst im Transferspalt, z.B. durch den Transferprozess freigesetzt und von der Folienbahn mitgeschleppt werden, auch sicher aus entfernt werden und so die Druckmaschine nicht verschmutzen können.Furthermore, cleaning devices may be arranged on the film web both in the region of the feed of the transfer film 5 to the transfer nip 6 and in the region of the discharge of the transfer film 5 from the transfer nip 6. This ensures that particles which are first in the transfer nip, e.g. be released by the transfer process and dragged along by the film web, also be safely removed and so can not pollute the printing press.

Die Reinigungseinrichtungen an der Folienbahn sind bevorzugt als Absaugeinrichtungen ausgebildet. Dadurch kann eine Kombination von Bahnführungseinrichtungen und Reinigungselementen in vorteilhafter Weise angewendet werden. Die Absaugeinrichtungen können dabei ggf. in der Art von so genannten Staubsaugereinrichtungen ausgeführt werden, wie sie aus dem Bereich von Bogenführungen an Bogendruckmaschinen gekannt sind.The cleaning devices on the film web are preferably designed as suction devices. As a result, a combination of web guiding devices and cleaning elements can be advantageously used. If necessary, the suction devices can be designed in the manner of so-called vacuum cleaners, as known from the field of sheet guides on sheet-fed presses.

Schließlich können in der Beschichtungseinrichtung gemäß Fig. 1 die Reinigungseinrichtungen R, R' auch als kombinierte Einrichtungen zur Reinigung der Presswalzen 3, 3' und der entsprechend an diesen geführten Folienbahnen 5, 5' ausgeführt sein. Zu diesem Zweck ist insbesondere auch eine Absaugeinrichtung geeignet, die mit entsprechenden Wirkungsflächen in Richtung zu den verschiedenen am Transferprozess beteiligten Elementen hin ausgerüstet ist.Finally, in the coating device according to Fig. 1 the cleaning devices R, R 'are also designed as combined devices for cleaning the press rolls 3, 3' and the film webs 5, 5 'guided accordingly. For this purpose, a suction device is particularly suitable which is equipped with corresponding action surfaces in the direction of the various elements involved in the transfer process.

Die Reinigungseinrichtungen R, R' können für den kombinierten Einsatz an der Presswalze 3, 3' und der Folienbahn der Transferfolie 5, 5' auch teilweise mechanisch wirkende Elemente, wie Bürsten, und zusätzlich pneumatisch wirkende Elementen, wie Saugschlitze, aufweisen. Die pneumatisch wirkenden Reinigungselemente können an der mechanisch wirkenden Reinigungseinrichtung R, R' nachträglich montierbar ausgeführt sein.The cleaning devices R, R 'can for the combined use of the press roll 3, 3' and the film web of the transfer film 5, 5 'also partially mechanically acting elements, such as brushes, and in addition pneumatically acting elements, such as suction slots have. The pneumatically acting cleaning elements can be carried out on the mechanically acting cleaning device R, R 'retrofitted.

Grundsätzlich sind im Rahmen der Erfindung noch weitere Kombinationsmöglichkeiten von Reinigungseinrichtungen auf der Basis von mechanischen, fluidischen, pneumatischen, elektrischen oder magnetischen Wirkungen denkbar. Das zuvor geschilderte Ausführungsbeispiel ist in dieser Hinsicht nicht als einschränkend für die möglichen Ausführungsformen der Erfindung zu verstehen. Bezugszeichenliste 1 Auftragwerk 2 Beschichtungswerk 3 Presswalze 4 Gegendruckzylinder 5 Transferfolie / Folienbahn 6 Transferspalt 7 Rollenantrieb 8 Folienvorratsrolle 9 Foliensammelrolle 10 Pressbespannung 11 Farbwerk 12 Plattenzylinder 13 Drucktuchzylinder 14 Leiteinrichtung 15 Druckwerksschutz 16 Trockner 17 Überwachungseinrichtung 18 Tänzerwalze 1' Auftragwerk 3' Andruckwalze 5' Folienbahn 6' Pressspalt R - R" Reinigungseinrichtung FA Folienapplikationsmodul In principle, other possible combinations of cleaning devices based on mechanical, fluidic, pneumatic, electrical or magnetic effects are conceivable within the scope of the invention. The above-described embodiment is not to be understood as limiting the possible embodiments of the invention in this regard. LIST OF REFERENCE NUMBERS 1 commissioned 2 coating plant 3 press roll 4 Impression cylinder 5 Transfer foil / foil web 6 transfer nip 7 roller drive 8th Film supply roll 9 Foil composite role 10 Press covering 11 inking 12 plate cylinder 13 Blanket cylinder 14 guide 15 Printing plant security 16 dryer 17 monitoring device 18 dancer roll 1' commissioned 3 ' pressure roller 5 ' sheet 6 ' press nip R - R " cleaning device FA Foil application module

Claims (19)

  1. Method to transfer imaging or masking and overlaying layers of a transfer film (5, 5') from a carrier film onto a printed sheet in a sheet-processing machine, more preferably of a rotary sheet-printing machine with at least one coating system (1) for a pictorial or surface coating of a printed sheet with a glue and at least one coating machine (2) to transfer imaging or masking layers of the carrier film onto printed sheets, whereby a transfer gap (6) is formed within a coating machine (2) and the carrier film is laid along the surface of a press roll (3, 3') with the coated side on the printed sheet and, under pressure together with this, can be guided by the transfer gap (6, 6') in such a way that the imaging or masking layers are adhesively transferred from the carrier film onto the printed sheet at the areas provided with glue,
    characterized in that
    - that at least one cleaning apparatus (R, R') is pressed onto press roll (3, 3') in the area of a position free of the transfer film (5, 5') in the direction before or after the transfer gap (6, 6').
    - and that, during the rotation of the press roll (3, 3'), the cleaning apparatus (R, R') is operated in a mode to clean the surface of the press roll (3, 3')
    - than at least one cleaning apparatus (R, R') in the area of a guide of a film web of the transfer film (5, 5') is set onto the transfer film (5, 5') in an area in the running direction before and/or after the transfer gap (6, 6')
    - and that, during transport of the film web of the transfer film (5), the cleaning apparatus (R, R') is operating in a mode to clean the surface or the surfaces and/or the edge areas of the film web of the transfer film (5, 5'),
    whereby, during a printing coating cycle, the cleaning apparatus (R, R') in surface cleaning mode is connected to the press roll (3, 3') limiting the transfer gap (6, 6') from the the printed sheet and /or with the film web of the transfer film (5, 5') in a surface cleaning mode by applying a film coating of a carrier film (5, 5') in a transfer gap (6, 6').
  2. The method according to Claim 1, characterized in that the cleaning is effected by means of a brush.
  3. The method according to Claim 1, characterized in that the cleaning is effected by means of a washing cloth.
  4. The method according to Claim 1, characterized in that the cleaning is effected by means of a device for spraying on and sucking off washing medium.
  5. The method according to Claim 1 to 4, characterized in that the cleaning is effected subject to the adding of washing agent.
  6. The method according to Claim 1 to 5, characterized in that the cleaning is effected subject to the sucking off of contaminations.
  7. The method according to Claim 1 to 6, characterized in that the cleaning is effected cyclically when printing couples adjacent to the coating unit (2) or the foil form module (FA) are likewise cleaned.
  8. The method according to Claim 1 to 7, characterized in that the cleaning is effected cyclically when consumption or time sequences that can be preset corresponding to the process of the foil coating have been satisfied.
  9. The method according to Claim 8, characterized in that the cleaning of the press roller (3, 3') is effected in conjunction with a cleaning in the form unit (1), wherein in the form unit (1) devices for removing coating media from an inking couple and/or from a blanket cylinder and/or an impression cylinder (4) are used.
  10. Apparatus for the transfer of imaging and/or masking or covering layers of a transfer film (5, 5') to printed sheets with at least one coating system (1) for the pictorial or surface coating of printed sheets with a glue and at least one coating machine (2) to transfer imaging and/or masking layers of the transfer film (5, 5') to printed sheets, whereby each coating machine (2) has a transfer gap (6, 6'), in which the transfer film (5, 5') is guided with its coated side onto the printed sheet under pressure, being at least tangent to a press roll (3) so that the imaging or masking and covering layer is adhesively transferred from the transfer film (5, 5') to the printed sheet in the area of the areas provided with glue,
    characterized in that
    in a printing machine in the coating machine (2), at least one cleaning device (R, R') of a press roll (3, 3') in the area of a position free of the transfer film (5, 5') before or after the transfer gap (6, 6') can be assigned to the press roll (3, 3')
    and/or a guide of the film web of the transfer film (5, 5') in the area of a guide of the film web of the transfer film (5, 5') in the running direction before and / or after the transfer gap (6, 6')
    and can be functionally connection to the press roll (3, 3') and to the transfer film (5, 5') or to the transfer film (5, 5').
  11. The device according to Claim 10, characterized in that the cleaning device (R, R') is a brush washing device, which can optionally be assigned an extraction device.
  12. The device according to Claim 10, characterized in that the cleaning device (R, R') is a blanket washing device.
  13. The device according to Claim 10, characterized in that the cleaning device (R, R') is a plate washing device, which acts on the surface to be cleaned by means of spraying on washing media and sucking off the contaminations.
  14. The device according to Claim 13, characterized in that the cleaning device (R, R') is embodied as a washing unit traversing over the length of the press roller (3, 3').
  15. The device according to Claim 10 to 14, characterized in that the cleaning device (R, R') itself is formed as device for extracting contaminations or in that the cleaning device (R, R') is assigned at least one device for extracting contaminations.
  16. The device according to Claim 10 to 15, characterized in that a further cleaning device (R") is assigned to an impression cylinder (4) interacting with the press roller (3, 3').
  17. The device according to Claim 10 to 16, characterized in that a control device is provided on the sheet-fed printing press by means of which the cleaning device (R, R', R") can be activated, wherein the operation of the cleaning device (R, R', R") can be initiated during the coating operation for the foil coating or outside the coating operation for the foil coating.
  18. The device according to Claim 17, characterized in that the control is provided such that the cleaning is effected cyclically according to the consumption or time sequences that can be preset corresponding to the process of the foil coating.
  19. The device according to Claim 17, characterized in that the control is provided such that the cleaning of the press roller (3, 3') can be activated in conjunction with a cleaning in the form unit (1), wherein in the form unit (1) devices for removing coating media from an inking couple and/or a blanket cylinder and/or an impression cylinder (4) known per se are provided.
EP06829470.1A 2005-12-27 2006-12-09 Cleaning device for an embossing device Not-in-force EP1981655B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005062495 2005-12-27
DE102006056897A DE102006056897A1 (en) 2005-12-27 2006-12-02 Method for transferring image-forming layers of a transfer film of a carrier film to a printed sheet comprises using a cleaning device which is placed on a pressing roller in the region of the transfer film before or after the transfer gap
PCT/EP2006/011878 WO2007073852A2 (en) 2005-12-27 2006-12-09 Cleaning device for an embossing device

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EP1981655A2 EP1981655A2 (en) 2008-10-22
EP1981655B1 EP1981655B1 (en) 2013-07-24
EP1981655B2 true EP1981655B2 (en) 2017-12-13

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EP (1) EP1981655B2 (en)
JP (1) JP2009521349A (en)
CN (1) CN101346192B (en)
DE (1) DE102006056897A1 (en)
WO (1) WO2007073852A2 (en)

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DE102007031059B4 (en) * 2007-07-04 2016-10-13 manroland sheetfed GmbH Process for the laminating or lamination of printed sheets
KR100990738B1 (en) * 2008-08-14 2010-10-29 서판수 A printing method and apparatus and printed matter made by thereofs
DE102009015483B4 (en) * 2009-03-28 2014-09-11 Richard Munz cleaner
US8590449B2 (en) * 2009-06-11 2013-11-26 Ronald G. Egan Dry flexographic printing plate cleaner system and method
DE202009016310U1 (en) * 2009-12-02 2010-06-02 Vollherbstdruck Gmbh Device for removing film parts protruding from a substrate after a film print
JP7396085B2 (en) * 2020-02-06 2023-12-12 コニカミノルタ株式会社 cleaning equipment
CN115352179B (en) * 2022-08-17 2024-03-19 浙江创丰环保科技有限公司 Continuous high-efficiency color steel plate transfer printing equipment

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DE102005011696A1 (en) † 2004-04-13 2005-11-24 Man Roland Druckmaschinen Ag Rotary foil transfer printing process has applied heat to aid transfer onto sheet material

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DE102005011696A1 (en) † 2004-04-13 2005-11-24 Man Roland Druckmaschinen Ag Rotary foil transfer printing process has applied heat to aid transfer onto sheet material

Also Published As

Publication number Publication date
CN101346192A (en) 2009-01-14
EP1981655B1 (en) 2013-07-24
WO2007073852A2 (en) 2007-07-05
CN101346192B (en) 2012-09-05
WO2007073852A3 (en) 2007-08-16
JP2009521349A (en) 2009-06-04
EP1981655A2 (en) 2008-10-22
DE102006056897A1 (en) 2007-06-28

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