EP1117487B1 - Coating machine for upgrading sheet material - Google Patents

Coating machine for upgrading sheet material Download PDF

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Publication number
EP1117487B1
EP1117487B1 EP99950562A EP99950562A EP1117487B1 EP 1117487 B1 EP1117487 B1 EP 1117487B1 EP 99950562 A EP99950562 A EP 99950562A EP 99950562 A EP99950562 A EP 99950562A EP 1117487 B1 EP1117487 B1 EP 1117487B1
Authority
EP
European Patent Office
Prior art keywords
sheet
coating
unit
coating unit
machine according
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
EP99950562A
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German (de)
French (fr)
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EP1117487A1 (en
Inventor
Georg Herzan
Klemens Kemmerer
Harald Bayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Publication date
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Publication of EP1117487A1 publication Critical patent/EP1117487A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/08—Print finishing devices, e.g. for glossing prints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/0834—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets the coating roller co-operating with other rollers, e.g. dosing, transfer rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/04—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material to opposite sides of the work

Definitions

  • the invention relates to a coating machine for finishing of sheet material using a flowable material according to claim 1.
  • DE 36 19 485 A1 describes a coating unit of this type for known a painting machine, which a recessed or full-surface coating of sheets or sheets with varnish allowed.
  • This coating plant essentially exists from a counter roll acting as an impression cylinder, one in contact with the impression cylinder and as Forme cylinder acting applicator roller and one of the forme cylinder assigned coating roller, which is used as an application roller acts and an assigned metering roller.
  • Coating roller and dosing roller form a dosing system (Two-roll mill) with a common nip.
  • the flowable material here a varnish
  • the flowable material is introduced by means of a feed from above into this nip Feeder.
  • the impression cylinder and forme cylinder pressure gap formed takes place over the entire surface or recessed coating of the substrate with varnish.
  • the disadvantage here is that the flowable material only can be applied on one side to the printing material, and that at recessed coating additionally a distribution roller of Applicator roller must be assigned.
  • the invention has for its object a coating machine of the kind described in the introduction to create the avoids disadvantages mentioned, in particular as a sheet-fed rotary machine is more universally applicable.
  • the task is based on the training features solved by claim 1. Further training results from the subclaims.
  • a first advantage of the invention is based on the fact that Inline operation one-sided (front) and / or one coating of sheet material on both sides (front and back) is feasible. It is also inline multiple coating on one or both sides on the Sheet material possible.
  • Another advantage is that even in a processing machine, e.g. an offset printing machine, printed Sheet material then in the coating machine according to the invention can be refined or unprinted sheet material, e.g. Recycling material, directly in the coating machine can be refined.
  • a processing machine e.g. an offset printing machine
  • printed Sheet material then in the coating machine according to the invention can be refined or unprinted sheet material, e.g. Recycling material, directly in the coating machine can be refined.
  • the coating machine in Row construction is modular.
  • a simple structure can be achieved by the coating machine - in Direction of conveyance of the sheet material - one feeder unit, at least one first coating unit for the front the sheet material, a turning unit for the sheet material, at least one first coating unit for the rear of the sheet material and a delivery unit.
  • In training is a multiple arrangement of z.
  • the sheet turning unit also the function of the transfer drum takes over.
  • Another advantage is that the sheet turning unit the coating machine in series in its Operating mode is switchable. So the coating machine with their coating units for the one-sided as well as coating the sheet material on both sides.
  • the forme cylinder optionally carries a flexible planographic printing form, e.g. a rubber blanket or a flexible high pressure plate, e.g. a flexographic printing plate. They are also UV-resistant Flexographic printing plates can be used.
  • Figures 1 and 2 are variants of coating machines shown in series for inline finishing.
  • a coating machine points in the conveying direction 19 of the sheet material on a feeder unit 18, which by a feeder 1, a feed table 2 and a feed drum 3 is formed.
  • the feeder unit 18 follow one first coating unit for the sheet front 14 and a second coating unit for the sheet front 15.
  • Between feeder unit 18 and the first coating unit 14 and between the first and second coating units 14, 15 is a transfer drum 4 for each arranged the sheet transport.
  • the second coating unit for the sheet front 15 is a sheet turning unit 13 subordinate.
  • the sheet turning unit 13 is followed by a first one Coating unit for the back of the sheet 16, arranged after this a transfer drum 4 and a second coating unit for the back of the sheet 17.
  • the second coating unit for the sheet back 17 is a boom unit 10 with rotating conveyor systems 11 downstream for the purpose Feeding and depositing the sheet material onto a delivery stack.
  • Each coating unit for the sheet front 14, 15 and for the back of the sheet 16, 17 consist of the same construction an impression cylinder 5, a forme cylinder 6 and one Applicator roller 7 as part of the metering system. Preferred are - based on a single-sized forme cylinder 6 - the impression cylinder 5 and the transfer drum 4 or a turning drum the sheet turning unit 13 double in size in each coating unit 14-17 trained.
  • the metering system is formed in each case from a screened application roller 7, preferably a laser-engraved ceramic roller, and a chambered doctor blade 8 with a circuit-side circulation system for the flowable material to be processed in each case.
  • the forme cylinders 6 of the first coating unit for the sheet front 14 and for the sheet back 16 each carry a flexible high-pressure mold, for example a flexographic printing plate.
  • the metering system is in each case formed by the application roller 7 assigned to the forme cylinder 6 and a metering roller 9.
  • Applicator roller 7 and metering roller 9 form a common roller gap, the flowable material being able to be fed directly into the roller gap from above.
  • the forme cylinders 6 of the second coating units for the sheet front 14 and for the sheet back 16 each carry a rubber blanket.
  • the sheet material is in the conveying direction 19 by means of feeder unit 18 and Transfer drum 4 of the first coating unit for the Front sheet 14 supplied.
  • the contact gap formed by Forme cylinder 6 (with flexible high pressure mold) and the sheet-guiding Impression cylinder 5, spot painting is carried out (recessed painting) on the front of the sheet material.
  • the contact gap of the subsequent second coating unit for the sheet front formed by a forme cylinder 6 (with rubber blanket) and the sheet-guiding impression cylinder 5, there is a full-surface painting.
  • both coating units 14.15 are considered flowable substances aqueous dispersion paints used.
  • the sheet material after the Principle of trailing edge application in which the trailing edge of the on a sheet-guiding cylinder (impression cylinder 5) overlying sheet material from sheet transfer systems, e.g. Suction systems and gripper systems, the subordinate sheet turning unit 13 is detected and transported in the conveying direction 19 is handled.
  • the sheet turning unit 13 is switchable, so that the function of the transfer drum 4 is realizable with one-sided coating.
  • the sheet turning unit 13 is preferred as a single drum or a multi-drum application with at least one of the turning drum upstream storage drum trained.
  • the sheet turning unit 13 is followed by the first coating unit for the sheet back 16.
  • both coating units 16, 17 are considered to be flowable Materials aqueous dispersion paints used. After evaporation the water in the dispersion varnish creates a resistant, closed coating on the sheet surface.
  • 1 is the operating mode for one and double-sided coatings (front / back) of the sheet material described.
  • a one-sided coating of the sheet material can be realized.
  • the first and second coating units for the sheet front 14.15 activated when the front of the substrate should be coated on one side.
  • the sheet turning unit 13 then acts as a transfer drum 4 (without sheet turning) and the downstream coating units for Back of sheet 16, 17 is inactive, i.e. they are not on involved in a coating operation, or take another Coatings on one side on the sheet material.
  • the sheet-guiding cylinders impression cylinders 5, transfer drum 4) lead the sheet material to Sheet turning unit 13.
  • Sheet turning unit 13 turns this Sheet material and the subordinate first and second Coating units for the sheet back 16,17 are activated and apply the appropriate coatings.
  • FIG. 2 is the first coating unit for the Front of sheet 14 analogous to the embodiment according to FIG. 1 educated.
  • the application roller 7 from FIG. 1 exchanged for an applicator roller 7 with a grid structure (Fig. 2) and the metering roller 9 (from FIG. 1) is against one Chamber doctor blade 8 (Fig. 2) exchanged.
  • the first coating unit for the sheet back 16 is the screened Application roller 7 (Fig. 1) against an application roller (Fig. 2) with exchanged for rastered application roller with low surface hardness Service.
  • the chambered doctor blade (Fig. 1) is against one Metering roller 9 with a higher surface hardness for application roller 7 been exchanged.
  • the metering roller 9 and the applicator roller 7 are preferred in all coating units 14 - 17 interchangeable in their bearings.
  • the formed from the locked application roller 7 and 8 doctor blade Dosing systems are suitable for refinement in this training the sheet material with dispersion varnish or UV varnish, or flexographic printing ink.
  • the forme cylinder 6 contribute to the Processing of dispersion varnish or a rubber blanket Processing of dispersion varnish or flexographic printing ink flexible high pressure plate.
  • processing UV varnish is a W-resistant flexible high pressure plate on the Form cylinder 6 arranged.
  • first dryer module formed from a Transfer drum 4 and a downstream impression cylinder 5 and a dryer system assigned to the impression cylinder 5 12, formed.
  • the second follows in conveying direction 19 Coating unit for sheet front 15 a second Dryer module, formed from transfer drum 4, impression cylinder 5 and another dryer system 12.
  • the second is followed by a sheet turning unit 13 and the first Coating unit for the back of sheet 16.
  • This coating unit identical for the back of the sheet 16 follows a third dryer module, which the second coating unit is subordinate to the sheet back 17.
  • the screened application roller 7 and the chamber doctor blade 8 (according to 1) are against an applicator roller 7 and a metering roller 9 been exchanged.
  • the forme cylinder 6 carries a rubber blanket for full-surface or recessed painting.
  • the coating machine is in the simplest form in the conveying direction 19 with an application unit 18, only a first coating unit 4 for the sheet front 14, a sheet turning unit 13, only a first coating unit for the sheet back 16 and a subordinate Delivery unit 10 executable, the coating units 14.16 are identical.
  • a series coating machine is simpler Execution can be achieved by in the conveying direction 19 of Feeder unit 18 at least the first coating unit for the sheet front 14 follows, this follows the Sheet turning unit 13, then at least the first coating unit for the sheet back 16 and the delivery unit 10 are arranged.
  • additional coating units 14 - 17 for the sheet front and / or the sheet back can be arranged, as shown for example in FIGS. 1 and 2 is.
  • the first coating unit for the sheet front 14 as Dosing system with an application roller 7 and a dosing roller 9 common roller gap and feeder feeding from above of the flowable substance.
  • the forme cylinder 6 carries here a rubber blanket so that a full-surface coating of the sheet material is realizable.
  • the subordinate second Coating unit for the sheet front 15 has one screened application roller 7 with associated chamber doctor blade 8.
  • the forme cylinder 6 carries a flexible high-pressure plate, so that a recessed coating (spot coating) is feasible. Using this spot coating is one "Floating" coating in the previously applied full surface one-sided coating (here the front of the sheet) vorappelbar.
  • This working principle is suitable for storage, for example certain effects in the full area already made Coating or to increase the gloss locally.
  • this working principle is in the first and second coating units for the sheet back 16, 17 applicable, previously the sheet turning unit 13 by the Sheet material to be passed.
  • This is the first coating unit for the sheet back 16 analogous to that described above first coating unit for the sheet front 14 formed and the second coating unit for the back of the sheet 17 is analogous to that described above second coating unit for the sheet front 15 educated. Because the dosing systems are interchangeable training of the coating machine after a short changeover for example according to Fig. 1 achievable again.
  • the first coating unit for the sheet front 14 as Dosing system a rastered application roller 7 with an associated Chamber doctor blade 8 has.
  • the form cylinder 6 carries a flexible High-pressure form.
  • the second coating unit for the Front of sheet 15 has an application roller as the metering system 7 and a metering roller 9 with a common roller gap on, the forme cylinder 6 wearing a rubber blanket.
  • This second coating unit for the sheet front 15 a third coating unit for the sheet front (not shown) subordinate.
  • This coating unit has an impression cylinder 5, a flexible high pressure form load-bearing forme cylinder 6 and a grid Application roller 7 with associated chamber doctor blade 8.
  • In this Training is a in the first coating unit 14 Spot coating, in the second coating unit 15 a full-surface coating and in the third coating unit a renewed spot painting for "floating" coating, e.g. by means of effect varnish, in the full surface Coating realizable.
  • This working principle is the same for the first and second coating units for the back of the sheet 16.17 as well as for a third coating unit applicable to the back of the sheet (not shown), where pass the sheet turning unit 13 beforehand.
  • the first and second coating units 16, 17 and the third Coating unit for the back of the sheet are then analog to the first and second coating units 14, 15 and the third coating unit for the sheet front train.
  • dryer modules are to be provided in the above-mentioned configurations, in particular between the coating units 14-17.
  • Each dryer module is formed from a transfer drum 4 and a downstream impression cylinder 5 with an associated dryer system 12.
  • the elements for sheet guiding and the necessary washing devices, for example for the forme cylinder, are not to be discussed in more detail here.
  • Each forme cylinder 6 can optionally have different printing forms, e.g. a flexible planographic printing form or a flexible letterpress form, wear as a coating form.
  • the dosing systems are not on a rastered application roller 7 with chambered doctor blade 8 or applicator roller 8 and metering roller 9 limited. Rather, other metering systems are also optional used. For example, one is in a container (with flowable material) immersing scoop roller with assigned, dosing applicator roller can be used as dosing system, the applicator roller being associated with the forme cylinder 6. This scoop roller mill can also be a metering roller be assigned. Regardless of the respective coating unit 14 - 17 the dosing systems are interchangeable.
  • the number of coating units 14, 15 before the sheet turning unit 13 is to the coating units 16.17 according to the Sheet turning unit can be set the same or different.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Soil Working Implements (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Rotary Presses (AREA)
  • Coloring (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A coating machine for applying a flowable coating substance to a sheet material to improve its surface. The coating machine has a series construction which lends itself to easy modification and versatile use. The coating machine includes, in a sheet conveyance direction, a first coating unit for applying a flowable substance to a front side of the sheet material, a sheet turning unit for reversing the position of the sheet, a first coating unit for applying a flowable substance to a reverse side of the sheet material, and sheet delivery unit. The coating units may have similar or identical constructions with interchangeable dosing systems.

Description

Die Erfindung betrifft eine Beschichtungsmaschine zum Veredeln von Bogenmaterial mittels eines fließfähigen Stoffes gemäß Anspruch 1.The invention relates to a coating machine for finishing of sheet material using a flowable material according to claim 1.

[Stand der Technik][State of the art]

Aus DE 36 19 485 A1 ist ein Beschichtungswerk dieser Art für eine Lackiermaschine bekannt, welches eine ausgesparte oder vollflächige Beschichtung von Bahnen oder Bogen mit Lack gestattet. Dieses Beschichtungswerk besteht im wesentlichen aus einer als Gegendruckzylinder fungierenden Gegenwalze, einer mit dem Gegendruckzylinder in Kontakt stehenden und als Formzylinder fungierenden Auftragwalze sowie einer dem Formzylinder zugeordneten Beschichtungswalze, welche als Auftragwalze fungiert und einer zugeordneten Dosierwalze.DE 36 19 485 A1 describes a coating unit of this type for known a painting machine, which a recessed or full-surface coating of sheets or sheets with varnish allowed. This coating plant essentially exists from a counter roll acting as an impression cylinder, one in contact with the impression cylinder and as Forme cylinder acting applicator roller and one of the forme cylinder assigned coating roller, which is used as an application roller acts and an assigned metering roller.

Beschichtungswalze und Dosierwalze bilden ein Dosiersystem (Zweiwalzenwerk) mit einem gemeinsamen Walzenspalt. Der Einlauf des fließfähigen Stoffes, hier ein Lack, erfolgt mittels einer von oben in diesen Walzenspalt einspeisenden Zuführvorrichtung. In dem aus Gegendruckzylinder und Formzylinder gebildeten Druckspalt erfolgt die vollflächige oder ausgesparte Beschichtung des Bedruckstoffes mittels Lack.Coating roller and dosing roller form a dosing system (Two-roll mill) with a common nip. The The flowable material, here a varnish, is introduced by means of a feed from above into this nip Feeder. In the impression cylinder and forme cylinder pressure gap formed takes place over the entire surface or recessed coating of the substrate with varnish.

Von Nachteil ist hierbei, daß der fließfähige Stoff lediglich einseitig auf den Bedruckstoff auftragbar ist, und daß beim ausgesparten Beschichten zusätzlich eine Verteilerwalze der Auftragwalze zugeordnet sein muß.The disadvantage here is that the flowable material only can be applied on one side to the printing material, and that at recessed coating additionally a distribution roller of Applicator roller must be assigned.

[Aufgabe der Erfindung]OBJECT OF THE INVENTION

Der Erfindung liegt die Aufgabe zugrunde eine Beschichtungsmaschine der eingangs beschriebenen Art zu schaffen, die die genannten Nachteile vermeidet, die insbesondere als Bogenrotationsmaschine universeller einsetzbar ist. The invention has for its object a coating machine of the kind described in the introduction to create the avoids disadvantages mentioned, in particular as a sheet-fed rotary machine is more universally applicable.

Erfindungsgemäß wird die Aufgabe durch die Ausbildungsmerkmale von Anspruch 1 gelöst. Weiterbildungen ergeben sich aus den Unteransprüchen.According to the invention, the task is based on the training features solved by claim 1. Further training results from the subclaims.

Ein erster Vorteil der Erfindung ist darin begründet, daß im Inline-Betrieb eine einseitige (Vorderseite) und/oder eine beidseitige (Vorder- und Rückseite) Beschichtung von Bogenmaterial realisierbar ist. Darüber hinaus ist im Inline-Betrieb einseitig oder beidseitig eine Mehrfachbeschichtung auf dem Bogenmaterial realisierbar.A first advantage of the invention is based on the fact that Inline operation one-sided (front) and / or one coating of sheet material on both sides (front and back) is feasible. It is also inline multiple coating on one or both sides on the Sheet material possible.

Von Vorteil ist weiterhin, daß bereits in einer Verarbeitungsmaschine, z.B. einer Offsetdruckmaschine, bedrucktes Bogenmaterial anschließend in der erfindungsgemäßen Beschichtungsmaschine veredelbar ist oder unbedrucktes Bogenmaterial, z.B. Recyclingmaterial, direkt in der Beschichtungsmaschine veredelbar ist.Another advantage is that even in a processing machine, e.g. an offset printing machine, printed Sheet material then in the coating machine according to the invention can be refined or unprinted sheet material, e.g. Recycling material, directly in the coating machine can be refined.

Vorteilhaft ist weiterhin, daß die Beschichtungsmaschine in Reihenbauweise modular aufbaubar ist. Ein einfacher Aufbau ist dadurch erzielbar, indem die Beschichtungsmaschine - in Förderrichtung des Bogenmaterials - eine Anlegereinheit, wenigstens eine erste Beschichtungseinheit für die Vorderseite des Bogenmaterials, eine Wendeeinheit für das Bogenmaterial, wenigstens eine erste Beschichtungseinheit für die Rückseite des Bogenmaterials und eine Auslegereinheit aufweist. In Weiterbildung ist eine Mehrfachanordnung von z. B. zweiten und dritten Beschichtungseinheiten für die Vorderseite sowie von beispielsweise zweiten und dritten Beschichtungseinheiten für die Rückseite des Bogenmaterials ausführbar. Dabei weisen alle Beschichtungseinheiten den gleichen Aufbau auf. Lediglich die Druckformen und die Dosiersysteme sind - den Aufträgen entsprechend - wahlweise einsetzbar.It is also advantageous that the coating machine in Row construction is modular. A simple structure can be achieved by the coating machine - in Direction of conveyance of the sheet material - one feeder unit, at least one first coating unit for the front the sheet material, a turning unit for the sheet material, at least one first coating unit for the rear of the sheet material and a delivery unit. In training is a multiple arrangement of z. B. second and third coating units for the front as well of, for example, second and third coating units executable for the back of the sheet material. Show all coating units have the same structure. Only the printing forms and the dosing systems are - the orders accordingly - can be used optionally.

Zwischen den Beschichtungseinheiten für die Vorderseite als auch für die Rückseite des Bogenmaterials ist jeweils wenigstens eine Transfertrommel für den Bogentransport angeordnet, wobei die Bogenwendeeinheit auch die Funktion der Transfertrommel übernimmt.Between the coating units for the front as at least for the back of the sheet material arranged a transfer drum for sheet transport, the sheet turning unit also the function of the transfer drum takes over.

Ein weiterer Vorteil ist dadurch gegeben, daß die Bogenwendeeinheit der Beschichtungsmaschine in Reihenbauweise in ihrer Betriebsweise umschaltbar ist. Somit ist die Beschichtungsmaschine mit ihren Beschichtungseinheiten für das einseitige als auch beidseitige Beschichten des Bogenmaterials einsetzbar.Another advantage is that the sheet turning unit the coating machine in series in its Operating mode is switchable. So the coating machine with their coating units for the one-sided as well as coating the sheet material on both sides.

Ebenso von Vorteil ist, daß wenigstens eine Beschichtungseinheit für die Vorderseite des Bogenmaterials und wenigstens eine Beschichtungseinheit für die Rückseite des Bogenmaterials, mit jeweils Gegendruckzylinder und Formzylinder, austauschbare Dosiersysteme zur Verarbeitung der fließfähigen Stoffe aufweisen. Bevorzugt weisen alle Beschichtungseinheiten austauschbare Dosiersysteme auf. Dabei sind die Dosiersysteme in mehreren Beschichtungseinheiten mit unterschiedlichem und/oder gleichem Aufbau einsetzbar.
Dabei weist jedes Dosiersystem eine mit dem Formzylinder in Kontakt stehende Auftragwalze auf. Der Auftragwalze im jeweiligen Dosiersystem ist wahlweise:

  • eine Dosierwalze zur Bildung eines gemeinsamen Walzenspaltes zugeordnet, wobei der fließfähige Stoff in diesen Walzenspalt zuführbar ist, oder
  • eine Kammerrakel mit einem Kreislaufsystem mit Zuführ- und Ableitung für den fließfähigen Stoff zugeordnet, wobei die Auftragwalze gerastert ist, oder
  • eine in einem Vorratsbehälter eintauchende Schöpfwalze zugeordnet.
It is also advantageous that at least one coating unit for the front of the sheet material and at least one coating unit for the back of the sheet material, each with impression cylinder and forme cylinder, have interchangeable metering systems for processing the flowable materials. All coating units preferably have interchangeable metering systems. The dosing systems can be used in several coating units with different and / or the same structure.
Each metering system has an applicator roller in contact with the forme cylinder. The application roller in the respective metering system is optional:
  • assigned a metering roller to form a common nip, the flowable material being able to be fed into this nip, or
  • a chambered doctor blade with a circulatory system with supply and discharge for the flowable material is assigned, the application roller being screened, or
  • assigned a scoop roller immersed in a reservoir.

Der Formzylinder trägt wahlweise eine flexible Flachdruckform, z.B. ein Gummituch, oder eine flexible Hochdruckplatte, z.B. eine Flexodruckplatte. Dabei sind auch UV-beständige Flexodruckplatten einsetzbar. The forme cylinder optionally carries a flexible planographic printing form, e.g. a rubber blanket or a flexible high pressure plate, e.g. a flexographic printing plate. They are also UV-resistant Flexographic printing plates can be used.

[Beispiele][Examples]

Die Erfindung soll an einem Ausführungsbeispiel näher erläutert werden. Dabei zeigen schematisch

Fig. 1
eine Beschichtungsmaschine mit je zwei Beschichtungseinheiten für die Vorder- und Rückseite des Bogenmaterials,
Fig. 2
eine Weiterbildung der Beschichtungsmaschine gemäß Fig. 1.
The invention will be explained in more detail using an exemplary embodiment. Show schematically
Fig. 1
a coating machine with two coating units each for the front and back of the sheet material,
Fig. 2
a further development of the coating machine according to FIG. 1.

In den Figuren 1 und 2 sind Varianten von Beschichtungsmaschinen in Reihenbauweise zur Inline-Veredelung dargestellt.In Figures 1 and 2 are variants of coating machines shown in series for inline finishing.

Eine Beschichtungsmaschine gemäß Fig. 1 weist in Förderrichtung 19 des Bogenmaterials eine Anlegereinheit 18 auf, welche durch einen Anleger 1, einen Zuführtisch 2 sowie eine Anlagetrommel 3 gebildet ist. Der Anlegereinheit 18 folgen eine erste Beschichtungseinheit für die Bogenvorderseite 14 sowie eine zweite Beschichtungseinheit für die Bogenvorderseite 15. Zwischen Anlegereinheit 18 und der ersten Beschichtungseinheit 14 sowie zwischen der ersten und der zweiten Beschichtungseinheit 14, 15 ist jeweils eine Transfertrommel 4 für den Bogentransport angeordnet. Der zweiten Beschichtungseinheit für die Bogenvorderseite 15 ist eine Bogenwendeeinheit 13 nachgeordnet. Der Bogenwendeeinheit 13 folgt eine erste Beschichtungseinheit für die Bogenrückseite 16, dieser nachgeordnet eine Transfertrommel 4 sowie eine zweite Beschichtungseinheit für die Bogenrückseite 17. Der zweiten Beschichtungseinheit für die Bogenrückseite 17 ist eine Auslegereinheit 10 mit umlaufenden Fördersystemen 11 nachgeordnet zwecks Zuführung und Ablegen des Bogenmaterials auf einen Auslegerstapel. A coating machine according to FIG. 1 points in the conveying direction 19 of the sheet material on a feeder unit 18, which by a feeder 1, a feed table 2 and a feed drum 3 is formed. The feeder unit 18 follow one first coating unit for the sheet front 14 and a second coating unit for the sheet front 15. Between feeder unit 18 and the first coating unit 14 and between the first and second coating units 14, 15 is a transfer drum 4 for each arranged the sheet transport. The second coating unit for the sheet front 15 is a sheet turning unit 13 subordinate. The sheet turning unit 13 is followed by a first one Coating unit for the back of the sheet 16, arranged after this a transfer drum 4 and a second coating unit for the back of the sheet 17. The second coating unit for the sheet back 17 is a boom unit 10 with rotating conveyor systems 11 downstream for the purpose Feeding and depositing the sheet material onto a delivery stack.

Jede Beschichtungseinheit für die Bogenvorderseite 14,15 sowie für Bogenrückseite 16,17 besteht baugleich jeweils aus einem Gegendruckzylinder 5, einem Formzylinder 6 und einer Auftragwalze 7 als Teil des Dosiersystems. Bevorzugt sind - bezogen auf einen einfachgroßen Formzylinder 6 - der Gegendruckzylinder 5 sowie die Transfertrommel 4 bzw. eine Wendetrommel der Bogenwendeeinheit 13 doppeltgroß in jeder Beschichtungseinheit 14 - 17 ausgebildet.Each coating unit for the sheet front 14, 15 and for the back of the sheet 16, 17 consist of the same construction an impression cylinder 5, a forme cylinder 6 and one Applicator roller 7 as part of the metering system. Preferred are - based on a single-sized forme cylinder 6 - the impression cylinder 5 and the transfer drum 4 or a turning drum the sheet turning unit 13 double in size in each coating unit 14-17 trained.

In der ersten Beschichtungseinheit für die Bogenvorderseite 14 sowie in der ersten Beschichtungseinheit für die Bogenrückseite 16 ist das Dosiersystem jeweils aus einer gerasterten Auftragwalze 7, vorzugsweise einer lasergravierten Keramikwalze, und einem Kammerrakel 8 mit einem leitungsseitigen Kreislaufsystem für den jeweils zu verarbeitenden fließfähigen Stoff gebildet. Die Formzylinder 6 der jeweils ersten Beschichtungseinheit für die Bogenvorderseite 14 und für die Bogenrückseite 16 tragen je eine flexible Hochdruckform, z.B. eine Flexodruckplatte.
In den zweiten Beschichtungseinheiten für die Bogenvorderseite 15 sowie für die Bogenrückseite 17 ist das Dosiersystem jeweils durch die dem Formzylinder 6 zugeordnete Auftragwalze 7 sowie eine Dosierwalze 9 gebildet. Auftragwalze 7 und Dosierwalze 9 bilden einen gemeinsamen Walzenspalt aus, wobei der fließfähige Stoff direkt von oben in den Walzenspalt einspeisbar ist. Die Formzylinder 6 der zweiten Beschichtungseinheiten für die Bogenvorderseite 14 und für die Bogenrückseite 16 tragen jeweils ein Gummituch.In the first coating unit for the sheet front 14 and in the first coating unit for the sheet back 16, the metering system is formed in each case from a screened application roller 7, preferably a laser-engraved ceramic roller, and a chambered doctor blade 8 with a circuit-side circulation system for the flowable material to be processed in each case. The forme cylinders 6 of the first coating unit for the sheet front 14 and for the sheet back 16 each carry a flexible high-pressure mold, for example a flexographic printing plate.
In the second coating units for the sheet front 15 and for the sheet back 17, the metering system is in each case formed by the application roller 7 assigned to the forme cylinder 6 and a metering roller 9. Applicator roller 7 and metering roller 9 form a common roller gap, the flowable material being able to be fed directly into the roller gap from above. The forme cylinders 6 of the second coating units for the sheet front 14 and for the sheet back 16 each carry a rubber blanket.

Die Wirkungsweise gemäß Fig. 1 ist wie folgt. Das Bogenmaterial wird in Förderrichtung 19 mittels Anlegereinheit 18 und Transfertrommel 4 der ersten Beschichtungseinheit für die Bogenvorderseite 14 zugeführt. Im Kontaktspalt, gebildet von Formzylinder 6 (mit flexibler Hochdruckform) und dem bogenführenden Gegendruckzylinder 5, erfolgt eine Spotlackierung (ausgespartes Lackieren) auf die Vorderseite des Bogenmaterials. Im Kontaktspalt der nachfolgenden zweiten Beschichtungseinheit für die Bogenvorderseite 15, gebildet von Formzylinder 6 (mit Gummituch) und dem bogenführenden Gegendruckzylinder 5, erfolgt eine vollflächige Lackierung. In beiden Beschichtungseinheiten 14,15 werden als fließfähige Stoffe wässrige Dispersionslacke eingesetzt.1 works as follows. The sheet material is in the conveying direction 19 by means of feeder unit 18 and Transfer drum 4 of the first coating unit for the Front sheet 14 supplied. In the contact gap, formed by Forme cylinder 6 (with flexible high pressure mold) and the sheet-guiding Impression cylinder 5, spot painting is carried out (recessed painting) on the front of the sheet material. In the contact gap of the subsequent second coating unit for the sheet front 15, formed by a forme cylinder 6 (with rubber blanket) and the sheet-guiding impression cylinder 5, there is a full-surface painting. In both coating units 14.15 are considered flowable substances aqueous dispersion paints used.

In der Bogenwendeeinheit 13 wird das Bogenmaterial nach dem Prinzip der Hinterkantenwendung, bei dem die Hinterkante des auf einem bogenführenden Zylinder (Gegendruckzylinder 5) aufliegenden Bogenmaterials von Bogenübernahmesystemen, z.B. Saugersysteme und Greifersysteme, der nachgeordneten Bogenwendeinheit 13 erfaßt wird und in Förderrichtung 19 weitertransportiert wird, umgeschlagen. Die Bogenwendeeinheit 13 ist umschaltbar, so daß auch die Funktion der Transfertrommel 4 bei einseitiger Beschichtung realisierbar ist. Die Bogenwendeeinheit 13 ist bevorzugt als eine Eintrommelwendung oder eine Mehrtrommelwendung mit wenigstens einer der Wendetrommel vorgeordneten Speichertrommel ausgebildet. Der Bogenwendeeinheit 13 folgt die erste Beschichtungseinheit für die Bogenrückseite 16. In deren Kontaktspalt, gebildet von Formzylinder 6 (mit flexibler Hochdruckform) und dem bogenführenden Gegendruckzylinder 5, erfolgt eine Spotlackierung (ausgespartes Lackieren) auf der Rückseite des Bogenmaterials. Im Kontaktspalt der nachfolgenden zweiten Beschichtungseinheit für die Rückseite 17, gebildet aus Formzylinder 6 (mit Gummituch) und dem bogenführenden Gegendruckzylinder 5, erfolgt eine vollflächige Lackierung.In the sheet turning unit 13, the sheet material after the Principle of trailing edge application, in which the trailing edge of the on a sheet-guiding cylinder (impression cylinder 5) overlying sheet material from sheet transfer systems, e.g. Suction systems and gripper systems, the subordinate sheet turning unit 13 is detected and transported in the conveying direction 19 is handled. The sheet turning unit 13 is switchable, so that the function of the transfer drum 4 is realizable with one-sided coating. The sheet turning unit 13 is preferred as a single drum or a multi-drum application with at least one of the turning drum upstream storage drum trained. The sheet turning unit 13 is followed by the first coating unit for the sheet back 16. In their contact gap, formed by the forme cylinder 6 (with flexible high pressure form) and the sheet guiding Impression cylinder 5, spot painting (recessed Varnishing) on the back of the sheet material. in the Contact gap of the subsequent second coating unit for the back 17, formed from forme cylinder 6 (with rubber blanket) and the sheet-guiding impression cylinder 5 a full paint job.

In beiden Beschichtungseinheiten 16,17 werden als fließfähige Stoffe wässrige Dispersionslacke eingesetzt. Nach dem Verdunsten des Wassers im Dispersionslack entsteht eine widerstandsfähige, geschlossene Beschichtung auf der Bogenoberfläche. In both coating units 16, 17 are considered to be flowable Materials aqueous dispersion paints used. After evaporation the water in the dispersion varnish creates a resistant, closed coating on the sheet surface.

Vorstehend ist nach Fig. 1 die Betriebsweise für ein- und beidseitige Beschichtungen (Vorder-/Rückseite) des Bogenmaterials beschrieben. Alternativ ist in dieser Ausbildung auch eine einseitige Beschichtung des Bogenmaterials realisierbar. Hierzu sind - je nach zu druckender Seite des Bogenmaterials - die erste und zweite Beschichtungseinheit für die Bogenvorderseite 14,15 aktiviert, wenn die Vorderseite des Bedruckstoffes einseitig beschichtet werden soll. Die Bogenwendeeinheit 13 fungiert dann als Transfertrommel 4 (ohne Bogenwendung) und die nachgeordneten Beschichtungseinheiten für Bogenrückseite 16,17 sind inaktiv, d.h. sie sind nicht an einem Beschichtungsvorgang beteiligt, oder nehmen weitere Beschichtungen einseitig auf dem Bogenmaterial vor.1 is the operating mode for one and double-sided coatings (front / back) of the sheet material described. Alternatively, in this training too a one-sided coating of the sheet material can be realized. For this - depending on the side of the sheet material to be printed - The first and second coating units for the sheet front 14.15 activated when the front of the substrate should be coated on one side. The sheet turning unit 13 then acts as a transfer drum 4 (without sheet turning) and the downstream coating units for Back of sheet 16, 17 is inactive, i.e. they are not on involved in a coating operation, or take another Coatings on one side on the sheet material.

Soll die Rückseite des Bogenmaterials einseitig beschichtet werden, so ist die erste und zweite Beschichtungseinheit für die Bogenvorderseite 14,15 inaktiv (nicht am Beschichtungsvorgang beteiligt). Die bogenführenden Zylinder (Gegendruckzylinder 5, Tansfertrommel 4) führen das Bogenmaterial zur Bogenwendeeinheit 13. Die Bogenwendeeinheit 13 wendet das Bogenmaterial und die nachgeordneten ersten und zweiten Beschichtungseinheiten für die Bogenrückseite 16,17 sind aktiviert und nehmen die entsprechenden Beschichtungen vor.If the back of the sheet material is coated on one side the first and second coating units for the sheet front 14,15 inactive (not in the coating process involved). The sheet-guiding cylinders (impression cylinders 5, transfer drum 4) lead the sheet material to Sheet turning unit 13. Sheet turning unit 13 turns this Sheet material and the subordinate first and second Coating units for the sheet back 16,17 are activated and apply the appropriate coatings.

Gemäß Fig. 2 ist die erste Beschichtungseinheit für die Bogenvorderseite 14 analog zu der Ausführung gemäß Fig. 1 ausgebildet. In der zweiten Beschichtungseinheit für die Bogenvorderseite 15 ist die Auftragwalze 7 (aus Fig. 1) gegen eine Auftragwalze 7 mit Rasterstruktur (Fig. 2) ausgetauscht und die Dosierwalze 9 (aus Fig. 1) ist gegen ein Kammerrakel 8 (Fig. 2) ausgetauscht. In der ersten Beschichtungseinheit für die Bogenrückseite 16 ist die gerasterte Auftragwalze 7 (Fig. 1) gegen eine Auftragwalze (Fig. 2) mit zur gerasterten Auftragwalze geringer Oberflächenhärte ausgetauscht worden. Das Kammerrakel (Fig. 1) ist gegen eine Dosierwalze 9 mit zur Auftragwalze 7 größerer Oberflächenhärte ausgetauscht worden. Die Dosierwalze 9 sowie die Auftragwalze 7 sind bevorzugt in allen Beschichtungseinheiten 14 - 17 untereinander in ihren Lagerstellen austauschbar.2 is the first coating unit for the Front of sheet 14 analogous to the embodiment according to FIG. 1 educated. In the second coating unit for the Front 15 of the sheet is the application roller 7 (from FIG. 1) exchanged for an applicator roller 7 with a grid structure (Fig. 2) and the metering roller 9 (from FIG. 1) is against one Chamber doctor blade 8 (Fig. 2) exchanged. In the first coating unit for the sheet back 16 is the screened Application roller 7 (Fig. 1) against an application roller (Fig. 2) with exchanged for rastered application roller with low surface hardness Service. The chambered doctor blade (Fig. 1) is against one Metering roller 9 with a higher surface hardness for application roller 7 been exchanged. The metering roller 9 and the applicator roller 7 are preferred in all coating units 14 - 17 interchangeable in their bearings.

Die aus gerasteter Auftragwalze 7 und Kammerrakel 8 gebildeten Dosiersysteme eignen sich in dieser Ausbildung zum Veredeln des Bogenmaterials mit Dispersionslack, oder UV-Lack, oder Flexodruckfarbe. Die Formzylinder 6 tragen bei der Verarbeitung von Dispersionslack ein Gummituch oder bei Verarbeitung von Dispersionslack oder Flexodruckfarbe eine flexible Hochdruckplatte. Bei der Verarbeitung von UV-Lack ist eine W-beständige flexible Hochdruckplatte auf dem Formzylinder 6 angeordnet.The formed from the locked application roller 7 and 8 doctor blade Dosing systems are suitable for refinement in this training the sheet material with dispersion varnish or UV varnish, or flexographic printing ink. The forme cylinder 6 contribute to the Processing of dispersion varnish or a rubber blanket Processing of dispersion varnish or flexographic printing ink flexible high pressure plate. When processing UV varnish is a W-resistant flexible high pressure plate on the Form cylinder 6 arranged.

Zwischen der ersten Beschichtungseinheit für die Bogenvorderseite 14 und der zweiten Beschichtungseinheit für Bogenvorderseite 15 ist ein erster Trocknermodul, gebildet aus einer Transfertrommel 4 und einem nachgeordneten Gegendruckzylinder 5 sowie einem dem Gegendruckzylinder 5 zugeordneten Trocknersystem 12, gebildet. In Förderrichtung 19 folgt der zweiten Beschichtungseinheit für Bogenvorderseite 15 ein zweiter Trocknermodul, gebildet aus Transfertrommel 4, Gegendruckzylinder 5 sowie einem weiteren Trocknersystem 12. Dem zweiten Trocknermodul folgt eine Bogenwendeeinheit 13 sowie die erste Beschichtungseinheit für die Bogenrückseite 16. Dieser Beschichtungseinheit für die Bogenrückseite 16 folgt baugleich ein dritter Trocknermodul, dem die zweite Beschichtungseinheit für die Bogenrückseite 17 nachgeordnet ist.Between the first coating unit for the sheet front 14 and the second coating unit for the front of the sheet 15 is a first dryer module formed from a Transfer drum 4 and a downstream impression cylinder 5 and a dryer system assigned to the impression cylinder 5 12, formed. The second follows in conveying direction 19 Coating unit for sheet front 15 a second Dryer module, formed from transfer drum 4, impression cylinder 5 and another dryer system 12. The second The dryer module is followed by a sheet turning unit 13 and the first Coating unit for the back of sheet 16. This coating unit identical for the back of the sheet 16 follows a third dryer module, which the second coating unit is subordinate to the sheet back 17.

Die gerasterte Auftragwalze 7 sowie das Kammerrakel 8 (gemäß Fig. 1) sind gegen eine Auftragwalze 7 und eine Dosierwalze 9 ausgetauscht worden. Der Formzylinder 6 trägt ein Gummituch zum vollflächigen oder ausgesparten Lackieren.The screened application roller 7 and the chamber doctor blade 8 (according to 1) are against an applicator roller 7 and a metering roller 9 been exchanged. The forme cylinder 6 carries a rubber blanket for full-surface or recessed painting.

In einer einfachsten Ausbildung ist die Beschichtungsmaschine in Förderrichtung 19 mit einer Anlegeeinheit 18, lediglich einer ersten Beschichtungseinheit 4 für die Bogenvorderseite 14, einer Bogenwendeinheit 13, lediglich einer ersten Beschichtungseinheit für die Bogenrückseite 16 und einer nachgeordneten Auslegeeinheit 10 ausführbar, wobei die Beschichtungseinheiten 14,16 baugleich sind.The coating machine is in the simplest form in the conveying direction 19 with an application unit 18, only a first coating unit 4 for the sheet front 14, a sheet turning unit 13, only a first coating unit for the sheet back 16 and a subordinate Delivery unit 10 executable, the coating units 14.16 are identical.

Eine Beschichtungsmaschine in Reihenbauweise ist in einfacher Ausführung dadurch erzielbar, indem in Förderrichtung 19 der Anlegereinheit 18 zumindest die erste Beschichtungseinheit für die Bogenvorderseite 14 folgt, dieser nachfolgend die Bogenwendeeinheit 13, anschließend zumindest die erste Beschichtungseinheit für die Bogenrückseite 16 und die Auslegereinheit 10 angeordnet sind.A series coating machine is simpler Execution can be achieved by in the conveying direction 19 of Feeder unit 18 at least the first coating unit for the sheet front 14 follows, this follows the Sheet turning unit 13, then at least the first coating unit for the sheet back 16 and the delivery unit 10 are arranged.

Wahlweise sind zusätzlich weitere Beschichtungseinheiten 14 - 17 für die Bogenvorder- oder und/oder die Bogenrückseite anordbar, wie dies beispielsweise in den Fig. 1 und 2 gezeigt ist.Optionally, additional coating units 14 - 17 for the sheet front and / or the sheet back can be arranged, as shown for example in FIGS. 1 and 2 is.

Eine weitere Ausbildung ist dadurch gekennzeichnet, daß die erste Beschichtungseinheit für die Bogenvorderseite 14 als Dosiersystem eine Auftragwalze 7 und eine Dosierwalze 9 mit gemeinsamen Walzenspalt und von oben einspeisender Zuführung des fließfähigen Stoffes aufweist. Der Formzylinder 6 trägt hierbei ein Gummituch, so daß eine vollflächige Beschichtung des Bogenmaterials realisierbar ist. Die nachgeordnete zweite Beschichtungseinheit für die Bogenvorderseite 15 weist eine gerasterte Auftragwalze 7 mit zugeordnetem Kammerrakel 8 auf. Hierbei trägt der Formzylinder 6 eine flexible Hochdruckplatte, so daß eine ausgesparte Beschichtung (Spotbeschichtung) realisierbar ist. Mittels dieser Spotbeschichtung ist eine "schwimmende" Beschichtung in die vorher vollflächig aufgetragene einseitige Beschichtung (hier der Bogenvorderseite) vornehmbar. Another training is characterized in that the first coating unit for the sheet front 14 as Dosing system with an application roller 7 and a dosing roller 9 common roller gap and feeder feeding from above of the flowable substance. The forme cylinder 6 carries here a rubber blanket so that a full-surface coating of the sheet material is realizable. The subordinate second Coating unit for the sheet front 15 has one screened application roller 7 with associated chamber doctor blade 8. Here, the forme cylinder 6 carries a flexible high-pressure plate, so that a recessed coating (spot coating) is feasible. Using this spot coating is one "Floating" coating in the previously applied full surface one-sided coating (here the front of the sheet) vornehmbar.

Dieses Arbeitsprinzip eignet sich beispielsweise zum Einlagern bestimmter Effekte in die bereits vorgenommene vollflächige Beschichtung oder zur lokalen Erhöhung des Glanzes. In Weiterbildung ist dieses Arbeitsprinzip in den ersten und zweiten Beschichtungseinheiten für die Bogenrückseite 16,17 anwendbar, wobei vorher die Bogenwendeeinheit 13 durch das Bogenmaterial zu passieren ist. Dazu ist die erste Beschichtungseinheit für die Bogenrückseite 16 analog zur oben beschriebenen ersten Beschichtungseinheit für die Bogenvorderseite 14 ausgebildet und die zweite Beschichtungseinheit für die Bogenrückseite 17 ist analog zur oben beschriebenen zweiten Beschichtungseinheit für die Bogenvorderseite 15 ausgebildet. Da die Dosiersysteme untereinander austauschbar sind, ist nach kurzer Umrüstung eine Ausbildung der Beschichtungsmaschine beispielsweise gem. Fig. 1 wieder erzielbar.This working principle is suitable for storage, for example certain effects in the full area already made Coating or to increase the gloss locally. In continuing education, this working principle is in the first and second coating units for the sheet back 16, 17 applicable, previously the sheet turning unit 13 by the Sheet material to be passed. This is the first coating unit for the sheet back 16 analogous to that described above first coating unit for the sheet front 14 formed and the second coating unit for the back of the sheet 17 is analogous to that described above second coating unit for the sheet front 15 educated. Because the dosing systems are interchangeable training of the coating machine after a short changeover for example according to Fig. 1 achievable again.

Eine weitere Ausbildung ist dadurch erzielbar, indem die erste Beschichtungseinheit für die Bogenvorderseite 14 als Dosiersystem eine gerasterte Auftragwalze 7 mit zugeordnetem Kammerrakel 8 aufweist. Der Formzylinder 6 trägt eine flexible Hochdruckform. Die zweite Beschichtungseinheit für die Bogenvorderseite 15 weist als Dosiersystem eine Auftragwalze 7 und eine Dosierwalze 9 mit einem gemeinsamen Walzenspalt auf, wobei der Formzylinder 6 ein Gummituch trägt. Dieser zweiten Beschichtungseinheit für die Bogenvorderseite 15 ist eine dritte Beschichtungseinheit für die Bogenvorderseite (nicht gezeigt) nachgeordnet. Diese Beschichtungseinheit weist einen Gegendruckzylinder 5, einen eine flexible Hochdruckform tragenden Formzylinder 6 sowie eine gerasterte Auftragwalze 7 mit zugeordnetem Kammerrakel 8 auf. In dieser Ausbildung ist in der ersten Beschichtungseinheit 14 eine Spotbeschichtung, in der zweiten Beschichtungseinheit 15 eine vollflächige Beschichtung und in der dritten Beschichtungseinheit eine erneute Spotlackierung zur "schwimmenden" Beschichtung, z.B. mittels Effektlack, in die vollflächige Beschichtung realisierbar. Dieses Arbeitsprinzip ist ebenso für die erste und zweite Beschichtungseinheit für die Bogenrückseite 16,17 als auch für eine dritte Beschichtungseinheit für die Bogenrückseite (nicht gezeigt) anwendbar, wobei vorher die Bogenwendeeinheit 13 zu passieren ist. Die erste und zweite Beschichtungseinheiten 16,17 sowie die dritte Beschichtungseinheit für die Bogenrückseite sind dann analog zu den ersten und zweiten Beschichtungseinheiten 14,15 sowie der dritten Beschichtungseinheit für die Bogenvorderseite auszubilden.Further training can be achieved by the first coating unit for the sheet front 14 as Dosing system a rastered application roller 7 with an associated Chamber doctor blade 8 has. The form cylinder 6 carries a flexible High-pressure form. The second coating unit for the Front of sheet 15 has an application roller as the metering system 7 and a metering roller 9 with a common roller gap on, the forme cylinder 6 wearing a rubber blanket. This second coating unit for the sheet front 15 a third coating unit for the sheet front (not shown) subordinate. This coating unit has an impression cylinder 5, a flexible high pressure form load-bearing forme cylinder 6 and a grid Application roller 7 with associated chamber doctor blade 8. In this Training is a in the first coating unit 14 Spot coating, in the second coating unit 15 a full-surface coating and in the third coating unit a renewed spot painting for "floating" coating, e.g. by means of effect varnish, in the full surface Coating realizable. This working principle is the same for the first and second coating units for the back of the sheet 16.17 as well as for a third coating unit applicable to the back of the sheet (not shown), where pass the sheet turning unit 13 beforehand. The first and second coating units 16, 17 and the third Coating unit for the back of the sheet are then analog to the first and second coating units 14, 15 and the third coating unit for the sheet front train.

Je nach dem zu verarbeitenden fließfähigen Stoff sind Trocknermodule in den o.g. Ausbildungen, insbesondere zwischen den Beschichtungseinheiten 14 - 17, vorzusehen. Jeder Trocknermodul ist dabei aus einer Transfertrommel 4 und einem nachgeordneten Gegendruckzylinder 5 mit zugeordnetem Trocknersystem 12 gebildet.
Auf die Elemente zur Bogenführung sowie erforderliche Waschvorrichtungen, z.B. für den Formzylinder, soll hier nicht näher eingegangen werden.Depending on the flowable material to be processed, dryer modules are to be provided in the above-mentioned configurations, in particular between the coating units 14-17. Each dryer module is formed from a transfer drum 4 and a downstream impression cylinder 5 with an associated dryer system 12.
The elements for sheet guiding and the necessary washing devices, for example for the forme cylinder, are not to be discussed in more detail here.

Jeder Formzylinder 6 kann wahlweise verschiedene Druckformen, z.B. eine flexible Flachdruckform bzw. eine flexible Hochdruckform, als Beschichtungsform tragen.Each forme cylinder 6 can optionally have different printing forms, e.g. a flexible planographic printing form or a flexible letterpress form, wear as a coating form.

Die Dosiersysteme sind nicht auf eine gerasterte Auftragwalze 7 mit Kammerrakel 8 oder Auftragwalze 8 und Dosierwalze 9 beschränkt. Vielmehr sind auch weitere Dosiersysteme wahlweise einsetzbar. Beispielsweise ist eine in einen Behälter (mit fließfähigem Stoff) eintauchende Schöpfwalze mit zugeordneter, dosierender Auftragwalze als Dosiersystem einsetzbar, wobei die Auftragwalze dem Formzylinder 6 zugeordnet ist. Diesem Schöpfwalzenwerk kann zusätzlich eine Dosierwalze zugeordnet sein. Unabhängig von der jeweiligen Beschichtungseinheit 14 - 17 sind die Dosiersysteme untereinander austauschbar. The dosing systems are not on a rastered application roller 7 with chambered doctor blade 8 or applicator roller 8 and metering roller 9 limited. Rather, other metering systems are also optional used. For example, one is in a container (with flowable material) immersing scoop roller with assigned, dosing applicator roller can be used as dosing system, the applicator roller being associated with the forme cylinder 6. This scoop roller mill can also be a metering roller be assigned. Regardless of the respective coating unit 14 - 17 the dosing systems are interchangeable.

Die Anzahl der Beschichtungseinheiten 14,15 vor der Bogenwendeeinheit 13 ist zu den Beschichtungseinheiten 16,17 nach der Bogenwendeeinheit gleich oder ungleich festlegbar.The number of coating units 14, 15 before the sheet turning unit 13 is to the coating units 16.17 according to the Sheet turning unit can be set the same or different.

Gemeinsam mit der Bogenwendeeinheit 13 liegt damit eine universell einsetzbare Beschichtungsmaschine in Reihenbauweise als Bogenrotationsmaschine vor. Together with the sheet turning unit 13 there is thus a universally applicable coating machine in series construction as a sheet-fed rotary machine.

[Bezugszeichenliste][REFERENCE LIST]

11
Anlegerinvestor
22
Zuführtischfeed
33
Anlagetrommelfeed drum
44
Transfertrommeltransfer drum
55
GegendruckzylinderImpression cylinder
66
Formzylinderform cylinder
77
Auftragwalzeapplicator roll
88th
Kammerrakelchambered doctor blade
99
Dosierwalzemetering
1010
Auslegereinheitdelivery unit
1111
Fördersystemconveyor system
1212
Trocknersystemdryer system
1313
BogenwendeeinheitSheet turning unit
1414
erste Beschichtungseinheit für die Bogenvorderseitefirst coating unit for the Bow front
1515
zweite Beschichtungseinheit für die Bogenvorderseitesecond coating unit for the Bow front
1616
erste Beschichtungseinheit für die Bogenrückseitefirst coating unit for the Bow back
1717
zweite Beschichtungseinheit für die Bogenrückseitesecond coating unit for the Bow back
1818
Anlegereinheitinvestors unit
1919
Förderrichtungconveying direction

Claims (10)

  1. Coating machine for upgrading sheet material with a coating unit for the front side of the sheet material, with a counterimpression cylinder, a forme cylinder carrying a printing forme and a metering system having an applicator roller for a flowable material, characterised in that a feeder unit (18) is arranged upstream in the feed direction (19) of the first coating unit for the sheet front side (14),
    that at least one switchable sheet turning unit (13) for the sheet material is arranged downstream of this first coating unit for the sheet front side (14),
    that at least a first coating unit for the sheet rear side (16) is arranged downstream of this sheet turning unit (13),
    that a delivery unit (10) is arranged downstream of this coating unit for the sheet rear side (16), and
    that, for sheet transport, transfer drums (4) are arranged at least between further coating units (14 - 17), wherein the coating units (14 - 17) have an identical construction.
  2. Coating machine according to Claim 1, characterised in that arranged downstream in the feed direction 19 of the first coating unit for the sheet front side (14) is a second sheet coating unit for the sheet front side (15) and the sheet turning unit 13 follows this second coating unit for the sheet front side (15).
  3. Coating machine according to Claim 1 and 2, characterised in that a further coating unit for the sheet front side is arranged downstream in the feed direction (19) of the second coating unit for the sheet front side (15), and this further coating unit is followed by the sheet turning unit (13).
  4. Coating machine according to Claim 1, characterised in that arranged downstream in the feed direction (19) of the first coating unit for the sheet rear side (16) is a second coating unit for the sheet rear side (17).
  5. Coating machine according to Claim 1 and 4, characterised in that a further coating unit for the sheet rear side is arranged downstream in the feed direction (19) of the second coating unit for the sheet rear side (17).
  6. Coating machine according to at least Claim 1, characterised in that the sheet turning unit (13) is formed by at least one turning drum.
  7. Coating machine according to at least Claim 1, characterised in that the applicator roller (7) of the metering system
    is a metering roller (9) fitted for forming a common roller nip, or
    is a chamber doctor (8) fitted with a circulating system for the flowable material, wherein the applicator roller (7) has a raster structure, or
    is a fitted scoop roller dipping into a storage container for the flowable material.
  8. Coating machine according to Claim 1 and 7, characterised in that the metering systems are arranged exchangeably according to choice relative to the forme cylinder (6) of the respective coating unit (14 - 17).
  9. Coating machine according to at least Claim 1, characterised in that drier modules are arranged between the coating units (14 - 17).
  10. Coating machine according to Claim 9, characterised in that a drier module is formed of a transfer drum (4) and a downstream arranged counterimpression cylinder (5) with a drier system (12) fitted thereto.
EP99950562A 1998-10-10 1999-09-28 Coating machine for upgrading sheet material Expired - Lifetime EP1117487B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29818148U 1998-10-10
DE29818148U DE29818148U1 (en) 1998-10-10 1998-10-10 Coating machine for finishing sheet material
PCT/EP1999/007192 WO2000021683A1 (en) 1998-10-10 1999-09-28 Coating machine for upgrading sheet material

Publications (2)

Publication Number Publication Date
EP1117487A1 EP1117487A1 (en) 2001-07-25
EP1117487B1 true EP1117487B1 (en) 2002-07-17

Family

ID=8063770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99950562A Expired - Lifetime EP1117487B1 (en) 1998-10-10 1999-09-28 Coating machine for upgrading sheet material

Country Status (10)

Country Link
US (1) US6718908B1 (en)
EP (1) EP1117487B1 (en)
JP (1) JP2002527225A (en)
CN (1) CN1102868C (en)
AT (1) ATE220574T1 (en)
CA (1) CA2346680C (en)
CZ (1) CZ299323B6 (en)
DE (2) DE29818148U1 (en)
DK (1) DK1117487T3 (en)
WO (1) WO2000021683A1 (en)

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DE102006033104A1 (en) * 2006-07-18 2008-01-24 Heidelberger Druckmaschinen Ag Sheetfed Offset Press

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DE20006513U1 (en) † 2000-04-08 2000-07-13 Roland Man Druckmasch Sheet-fed rotary printing machine
DE20113639U1 (en) 2001-08-17 2001-10-11 Roland Man Druckmasch Coating machine for finishing printed sheets
DE10236781B4 (en) * 2002-08-14 2009-11-19 Manroland Ag Coating device for a printing or coating machine
DE102004058600A1 (en) * 2003-11-26 2005-08-25 Schober Gmbh Werkzeug- Und Maschinenbau Process and assembly to emboss or punch holes in a web for release to a vacuum conveyer belt
DE102005004455A1 (en) 2005-02-01 2006-08-10 Man Roland Druckmaschinen Ag Coating unit of a printing press and method for operating coating units
DE102005060589A1 (en) * 2005-12-17 2007-06-21 Man Roland Druckmaschinen Ag Laminating by means of a stamping device
JP2007331223A (en) * 2006-06-15 2007-12-27 Komori Corp Sheet-fed press
JP5914182B2 (en) * 2012-06-04 2016-05-11 日東電工株式会社 Coating equipment
JP6148247B2 (en) * 2012-10-22 2017-06-14 株式会社小森コーポレーション Combination printing machine
JP2015136905A (en) * 2014-01-24 2015-07-30 株式会社小森コーポレーション Number printer and printer using the same
DE102015116491A1 (en) 2014-09-30 2016-03-31 manroland sheetfed GmbH Sheet-fed rotary offset printing machine with facilities for the uniform drying of double-sided printed sheets
DE102016207398B3 (en) * 2015-09-09 2016-08-18 Koenig & Bauer Ag Machine arrangement for the sequential processing of a plurality of arcuate substrates each having a front side and a rear side
US10525687B2 (en) * 2018-04-09 2020-01-07 Xerox Corporation Dual pressure sensitive adhesive sheet for instore signage
DE102018110418A1 (en) * 2018-04-30 2019-10-31 manroland sheetfed GmbH Device for intermediate drying of printed signatures
US11439018B2 (en) 2020-12-29 2022-09-06 At&S Austria Technologie & Systemtechnik Aktiengesellschaft Component carrier and method of manufacturing the same
US11412618B2 (en) 2020-12-29 2022-08-09 At&S Austria Technologie & Systemtechnik Aktiengesellschaft Component carrier and method of manufacturing the same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006033104A1 (en) * 2006-07-18 2008-01-24 Heidelberger Druckmaschinen Ag Sheetfed Offset Press
US7966932B2 (en) 2006-07-18 2011-06-28 Heidelberger Druckmaschinen Ag Sheet-fed offset printing press and method of printing multiple colors on both sides of sheets

Also Published As

Publication number Publication date
CA2346680A1 (en) 2000-04-20
CZ299323B6 (en) 2008-06-18
CA2346680C (en) 2007-01-09
CN1102868C (en) 2003-03-12
WO2000021683A1 (en) 2000-04-20
CN1322154A (en) 2001-11-14
EP1117487A1 (en) 2001-07-25
JP2002527225A (en) 2002-08-27
DK1117487T3 (en) 2002-11-04
ATE220574T1 (en) 2002-08-15
DE59902069D1 (en) 2002-08-22
DE29818148U1 (en) 2000-02-17
CZ20011207A3 (en) 2002-03-13
US6718908B1 (en) 2004-04-13

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