EP1326749B1 - Sheet-fed printing press and method carried out using the same - Google Patents

Sheet-fed printing press and method carried out using the same Download PDF

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Publication number
EP1326749B1
EP1326749B1 EP01974614A EP01974614A EP1326749B1 EP 1326749 B1 EP1326749 B1 EP 1326749B1 EP 01974614 A EP01974614 A EP 01974614A EP 01974614 A EP01974614 A EP 01974614A EP 1326749 B1 EP1326749 B1 EP 1326749B1
Authority
EP
European Patent Office
Prior art keywords
sheets
printing
cylinder
plate
printed
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
EP01974614A
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German (de)
French (fr)
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EP1326749A2 (en
Inventor
Reinhold DÜNNINGER
Siegfried Alfons Stark
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.)
KBA Notasys SA
Original Assignee
KBA Giori SA
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Publication date
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Publication of EP1326749A2 publication Critical patent/EP1326749A2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/26—Duplicate, alternate, selective, or coacting feeds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F11/00—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
    • B41F11/02—Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/18—Form of handled article or web
    • B65H2701/182—Piled package
    • B65H2701/1826—Arrangement of sheets
    • B65H2701/1827—Interleaf layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the present invention relates to a method for producing stacks of sheets printed by single-printing, in particular stacks of securities sheets, such as banknotes, from stacks of unprinted sheets, the unprinted sheets successively entering a printing machine to be provided with the individual prints.
  • the present invention also relates to a printing machine for carrying out the method according to the invention.
  • the patent EP 0 563 007 shows a modular copper plate printing machine, which in particular contains a printing cylinder, on which the sheets to be printed are held, a plate cylinder, which in turn carries copper printing plates, in which the transferred to the sheets of the printing cylinder print motifs are engraved.
  • the inking of the printing plates takes place both indirectly through a color collecting cylinder, which collects the ink from several Farbduktoren and then transfers them to the plates of the plate cylinder, as well as directly via a paint applicator, which lays directly on the printing plates ,
  • the method for producing the sheet pile comprises in particular the transfer of the unprinted sheets from the feed stack to the printing cylinder, then the actual printing of the sheets with the motifs, the motifs by means of the inked plates of the plate cylinder and finally the further transport of the printed sheets into a delivery pile.
  • drying devices such as lamps or other equivalent means, are provided which allow drying of the signatures before stacking. After the sheets are printed, they are conveyed through a discharge device containing, for example, a chain gripper system and, as this discharge device passes through, heat sources act on the sheets and the ink is dried.
  • a machine according to FIG. 1 is for example in CH 289 716 described.
  • intermediate sheets also provides a practical solution, especially for small machines or where space is limited and therefore it is not possible to install an adequate drying device as described above. Nevertheless, it is also complicated for small machines to insert intermediate sheets between each sheet, because the production speed is high and the paths traveled by each printed sheet are short.
  • the aim of the invention is to improve the known methods and machines.
  • the invention has the goal of proposing a method, can be formed with the sheet stack and at the same time the risk of contamination of the stacked sheets can be minimized.
  • the aim of the invention is also to propose a printing press, in particular a sheet-fed press, which allows the use of the method.
  • FIG. 1 is schematically illustrated a known in the current state of the art printing press.
  • FIG. 2 is an illustration of a machine that allows the use of the method according to the invention.
  • FIG. 3 is a block diagram of the method according to the invention.
  • This machine is generally designated by the reference numeral 1 and consists of the following parts: a feed 2 for the sheets to be printed, a printing module 3, a transport system 4 with which the signatures are transported to the trays 5 and 6 of the machine 1.
  • This machine also includes a feeder for intermediate sheets 7 adjacent to the trays 5 and 6.
  • the printing module 3 comprises a plate cylinder, which is colored by inking rollers 9 of the ink boxes 13, 14, 15 and 16.
  • the module further comprises a printing cylinder on which lie the sheets 18 coming from the feeder 2.
  • the module also includes a wiping cylinder 19 and transfer rollers 20 and 21 for transporting the sheets 18 onto the impression cylinder 17.
  • the discharge system 4 which comprises, for example, a chain gripper system 22 and drying means 23, such as lamps.
  • the sheets 18 transported by the discharge system 4 are thus dried by the drying means 23 before being stacked in the trays 5 and 6.
  • a feeding device for intermediate sheets 7 is used, with a protective sheet 24 is placed between each stacked in the trays 5 and 6 sheet 18.
  • This machine is identified by the reference numeral 30 and generally comprises a supply 31 for unprinted sheets 32, which are fed to a printing unit 33 and subsequently, after the completion of the printing, a delivery stack 34.
  • the printing unit 33 comprises a plate cylinder 35 and a pressure cylinder 36th Die on FIG. 2
  • the machine also uses the principle of direct coloring and indirect coloring at the same time.
  • the direct coloring of the plate cylinder is realized by an ink fountain 37 and an inking roller 38.
  • the indirect color in turn is done by the ink boxes 39, 40 and 41 and their inking rollers 42, 43 and 44.
  • the Ink rollers 42, 43 and 44 apply the ink to a collecting ink cylinder 45, which in turn applies the necessary ink to the plates of the plate cylinder 35.
  • the plate cylinder 35 can carry two plates, and accordingly, only a single pressure plate is mounted in the present case.
  • the printing module likewise comprises a wiper device with a wiping cylinder 49.
  • the blank sheets 32 are fed from the feeder 31 through a suitable transfer system 50, such as a printer. brought a chain gripper system on the printing cylinder 36 and held on this cylinder by suitable gripper of the cylinder 36.
  • a suitable transfer system 50 such as a printer. brought a chain gripper system on the printing cylinder 36 and held on this cylinder by suitable gripper of the cylinder 36.
  • these intermediate sheets 47 have the same size as the unprinted sheets 32 on which the printing of the securities is to take place and, like the sheets 32, are guided onto the printing cylinder 36 by suitable conventional means, such as a chain gripper system or a transfer roller 48. In this way, the printing cylinder 36 alternately receives an unprinted sheet 32 and an intermediate sheet 47.
  • the delivery stack 34 is fed by the impression cylinder 36: after each revolution of the impression cylinder, the sheets carried by it are taken over by a suitable transfer system, eg by a transfer roller operating on the suction principle by negative pressure to transfer the sheet, or a system with a chain 51 Grippers 52 as it dotted on schematically FIG. 2 is shown.
  • a suitable transfer system eg by a transfer roller operating on the suction principle by negative pressure to transfer the sheet, or a system with a chain 51 Grippers 52 as it dotted on schematically FIG. 2 is shown.
  • the intermediate sheets 47 are fed to the printing cylinder 36 by conventional means, for example a gripper chain system, and transferred to the printing cylinder 36 by means of a transfer roller 48.
  • FIG. 3 shows a block diagram of the method according to the invention.
  • the printing cylinder carries two sheets, as in the on FIG. 2 illustrated machine.
  • the printing module of the printing press 30 is alternately supplied with a blank sheet 32 to be printed and an intermediate sheet 47.
  • the variable N is used as above to define the total number of plates that can be carried by the plate cylinder 35, where N is an integer multiple of 2. On FIG. 1 N is equal to 4 and up FIG. 2 N is equal to 2.
  • the individual prints are printed on the sheet 32 with the help of the plate cylinder 35 carried by the plate. Regardless of the number of sheets carried by the printing cylinder 36 number of sheets is printed in this way every second sheet in the printing press 30.
  • the sheets are collected and a sheet stack 34 is formed in the delivery of the machine, alternating sheets of printed sheets 32 and intermediate sheets 47 separating the printed sheets 32 from each other, composed.
  • the invention is not limited to the described embodiments, and modifications are possible.
  • the intermediate sheets are unprinted.
  • This procedure could be advantageous when N is equal to 2. Because in this case, if there is only one plate on the plate cylinder, the rotation of the same is not balanced and it can be produced disturbing vibrations. So you could imagine that you still apply to the plate cylinder a second plate on which you could have a simplified print motif to avoid too large amounts of ink.
  • N is not limited to 2.
  • N can be 4 or 6 or even 8. This number is partly due to the size of the sheets to be printed, ie the size of the prints and the number of prints per sheet and also dictated by the diameter of the printing and plate cylinders. Assuming that N is 4 or 6 or 8, it is replaced by a symmetrical distribution of the sectors of the plate cylinder carrying a plate and the sectors on which there is no plate - this symmetrical distribution being necessary producing printed sheets and interleaf sheets - improves the smooth operation of the machine because there is no imbalance due to the absence of a sheet.
  • An advantage of the method according to the invention and the printing machine which enables the use of the method is the modular design for the small machines. In fact, it is easy to grow an intermediate sheet feeder over the machine and to insert these sheets in the flow of unprinted sheets to be printed at the level of the cylinder carrying the sheets and not to interrupt the flow of sheets stacked in the delivery of the printing press.
  • the system described is also very compact and the required space is greatly reduced compared to a conventional drying system.
  • the system using the method according to the invention is, after all, not nearly as expensive as a drying system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

A method by which stacks of printed sheets can be formed and, at the same time, the risk of soiling of the stacked sheets can be reduced to the maximum extent. To this end a printing machine is proposed, in particular a sheet-fed printing machine, into which unprinted and intermediate sheets are alternatively feed, wherein the printing is registered such that the printing occurs only on the unprinted sheets and not on the intermediate sheets. In this way, the intermediate sheets prevent damage to the print on the printed sheets.

Description

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Stapeln von mit Einzeldrucken bedruckten Bögen, insbesondere von Stapeln von Wertpapierbögen, wie Banknoten, aus Stapeln von unbedruckten Bögen, wobei die unbedruckten Bögen nacheinander in eine Druckmaschine einlaufen, um mit den Einzeldrucken versehen zu werden.The present invention relates to a method for producing stacks of sheets printed by single-printing, in particular stacks of securities sheets, such as banknotes, from stacks of unprinted sheets, the unprinted sheets successively entering a printing machine to be provided with the individual prints.

Die vorliegende Erfindung betrifft ebenfalls eine Druckmaschine für die Durchführung des Verfahrens gemäß der Erfindung.The present invention also relates to a printing machine for carrying out the method according to the invention.

Verfahren zur Herstellung von Stapeln von Wertpapierbögen und Maschinen für die Durchführung dieser Verfahren sind beim gegenwärtigen Stand der Technik bekannt. Das Patent EP 0 563 007 zum Beispiel zeigt eine modular aufgebaute Kupferdruckmaschine, die insbesondere einen Druckzylinder enthält, auf dem die zu bedruckenden Bögen festgehalten werden, einen Plattenzylinder, der seinerseits Kupferdruckplatten trägt, in die die auf die Bögen des Druckzylinders übertragenen Druckmotive eingraviert sind. Bei der bekannten Maschine erfolgt das Einfärben der Druckplatten sowohl auf indirektem Wege durch einen Farbsammelzylinder, der die Farbe von mehreren Farbduktoren sammelt und sie anschließend auf die Platten des Plattenzylinders überträgt, als auch auf direktem Wege über einen Farbauftragzylinder, der sich direkt auf die Druckplatten legt.Methods of making stacks of securitiesheets and machines for carrying out these methods are known in the art. The patent EP 0 563 007 For example, shows a modular copper plate printing machine, which in particular contains a printing cylinder, on which the sheets to be printed are held, a plate cylinder, which in turn carries copper printing plates, in which the transferred to the sheets of the printing cylinder print motifs are engraved. In the known machine, the inking of the printing plates takes place both indirectly through a color collecting cylinder, which collects the ink from several Farbduktoren and then transfers them to the plates of the plate cylinder, as well as directly via a paint applicator, which lays directly on the printing plates ,

Das Verfahren zur Herstellung des Druckbogenstapels umfaßt insbesondere die Übergabe der unbedruckten Bögen vom Zuführungsstapel an den Druckzylinder, dann das eigentliche Bedrucken der Bögen mit den Motiven, wobei die Motive mittels der eingefärbten Platten des Plattenzylinders gebildet werden, und schließlich den Weitertransport der bedruckten Bögen in einen Auslagestapel.The method for producing the sheet pile comprises in particular the transfer of the unprinted sheets from the feed stack to the printing cylinder, then the actual printing of the sheets with the motifs, the motifs by means of the inked plates of the plate cylinder and finally the further transport of the printed sheets into a delivery pile.

Eine Schwierigkeit, die bei gewissen Druckmaschinen, insbesondere bei Maschinen, in denen das Kupferdruckverfahren angewandt wird, auftritt, ist das Problem der Farbtrocknung. Bei einem solchen Druckverfahren ist in der Tat die auf jeden Bogen aufgebrachte Farbmenge ziemlich groß, und es ist unbedingt erforderlich, daß die Farbe getrocknet wird, ehe die Bögen in der Auslage der Maschine gestapelt werden. Wenn nämlich die Farbe keine Zeit gehabt hat, vor dem Stapeln vollständig zu trocknen, dann beschmutzen sich die Bögen gegenseitig und können bei einigen Drucken Fehler aufweisen oder dann sogar völlig unbrauchbar werden. Derartige Fehler müssen so weit wie möglich maximal verringert werden, insbesondere auf Grund der Kosten der für den Druck von Wertpapieren eingesetzten Bögen und auch wegen der Probleme, die später in der Phase der Numerierung der einzelnen Wertpapiere, die fortlaufend erfolgt, auftreten. Jedes Wertpapier, das einen Fehler aufweist, muß durch ein einzelnes fehlerfreies Wertpapier ersetzt werden.One difficulty encountered with certain printing presses, particularly in machines employing the copper printing process, is the problem of color drying. In fact, in such a printing process, the amount of ink applied to each sheet is quite large, and it is essential that the ink be dried before the sheets are stacked in the delivery of the machine. Namely, if the paint did not have time to dry completely before stacking, then the sheets will stain each other and may be faulty at some prints or even become completely unusable. Such errors must be maximally reduced as much as possible, in particular because of the cost of the sheets used for the printing of securities, and also because of the problems which later arise in the phase of numbering of the individual securities which takes place on an ongoing basis. Any security that has an error must be replaced by a single, flawless security.

So wurde beim gegenwärtigen Stand der Technik der Vorschlag gemacht, die Druckmaschinen mit einer Farbtrockenvorrichtung auszustatten. Eine derartige Vorrichtung ist zum Beispiel aus dem Patent EP 0 039 526 bekannt. Sie besteht hauptsächlich aus einem Kettengreifersystem, das die frisch bedruckten Bögen in einem konstanten Abstand zu einer Wärmequelle transportiert. Eines der Ziele dieses Systems war, den sogenannten Einsteckvorgang zu ersparen, der darin bestand, daß zwischen jeden bedruckten Bogen ein weißer Bogen eingefügt wurde, um das Verkleben der Druckbögen untereinander zu vermeiden.Thus, in the current state of the art, the suggestion has been made to equip the printing presses with a paint-drying device. Such a device is for example from the patent EP 0 039 526 known. It mainly consists of a chain gripper system, which transports the freshly printed sheets at a constant distance to a heat source. One of the objectives of this system was to avoid the so-called plug-in operation, which was to insert a white sheet between each printed sheet to prevent sticking of the signatures together.

Bei anderen Maschinen des bekannten Standes der Technik wurden auch die beiden oben erwähnten Systeme kombiniert. In einer beim gegenwärtigen Stand der Technik bekannten Maschine, wie sie auf Figur 1 dieses Antrags dargestellt ist, sind Trockenvorrichtungen wie z.B. Lampen oder andere gleichwertige Mittel vorgesehen, die ein Trocknen der Druckbögen vor dem Stapeln ermöglichen. Nachdem die Bögen bedruckt sind, werden sie durch eine Austragvorrichtung hindurch befördert, die zum Beispiel ein Kettengreifersystem enthält, und beim Durchlaufen dieser Austragvorrichtung wirken Wärmequellen auf die Bögen ein und die Farbe wird getrocknet.Other prior art machines also combined the two systems mentioned above. In a known in the current state of the art machine as on FIG. 1 In this application, drying devices, such as lamps or other equivalent means, are provided which allow drying of the signatures before stacking. After the sheets are printed, they are conveyed through a discharge device containing, for example, a chain gripper system and, as this discharge device passes through, heat sources act on the sheets and the ink is dried.

Zur Verbesserung dieser Maschine wurde sie mit einer besonderen Zuführvorrichtung für Zwischenbögen neben dem Auslagestapel der bedruckten Bögen versehen. Mit Hilfe dieser Zuführung wird zwischen jeden bedruckten Bogen ein Zwischenbogen aus Papier gelegt, mit der die bedruckten Bögen besser gegeneinander geschützt werden. Das für die Zwischenbögen verwendete Papier ist auch billiger als das für die Wertpapierbögen benutzte Papier, so daß dieses Prinzip sehr vorteilhaft ist. Eine Maschine gemäss Figur 1 ist zum Beispiel in CH 289 716 beschrieben.To improve this machine, it was provided with a special feeder for intermediate sheets next to the delivery stack of the printed sheets. With the help of this feeder, an interleaf of paper is placed between each printed sheet, with which the printed sheets are better protected against each other. The paper used for the intermediate sheets is also cheaper than the paper used for the securities sheets, so that this principle is very advantageous. A machine according to FIG. 1 is for example in CH 289 716 described.

Die Verwendung von Zwischenbögen stellt auch eine praktische Lösung dar, insbesondere für kleine Maschinen oder wenn wenig Platz vorhanden und es deshalb nicht möglich ist, eine angemessene Trockenvorrichtung, wie oben beschrieben, zu installieren. Trotzdem ist es bei kleinen Maschinen auch kompliziert, zwischen jeden Druckbogen Zwischenbögen einzulegen, weil die Produktionsgeschwindigkeit hoch ist und die von jedem bedruckten Bogen zurückgelegten Wege kurz sind.The use of intermediate sheets also provides a practical solution, especially for small machines or where space is limited and therefore it is not possible to install an adequate drying device as described above. Nevertheless, it is also complicated for small machines to insert intermediate sheets between each sheet, because the production speed is high and the paths traveled by each printed sheet are short.

Das Ziel der Erfindung ist, die bekannten Verfahren und Maschinen zu verbessern.The aim of the invention is to improve the known methods and machines.

Insbesondere hat die Erfindung das Ziel, ein Verfahren vorzuschlagen, mit dem Druckbogenstapel gebildet werden können und gleichzeitig die Gefahr der Verschmutzung der gestapelten Bögen maximal verringert werden kann.In particular, the invention has the goal of proposing a method, can be formed with the sheet stack and at the same time the risk of contamination of the stacked sheets can be minimized.

Ziel der Erfindung ist auch, eine Druckmaschine, insbesondere eine Bogendruckmaschine vorzuschlagen, die den Einsatz des Verfahrens erlaubt.The aim of the invention is also to propose a printing press, in particular a sheet-fed press, which allows the use of the method.

Dieses Ziel wird durch das Verfahren und die Maschine, die in den selbständigen Ansprüchen definiert werden, erreicht.This object is achieved by the method and machine defined in the independent claims.

Besondere Ausführungsarten des Verfahrens und der Maschine gemäß der Erfindung sind durch die selbständigen Ansprüche definiert.Particular embodiments of the method and the machine according to the invention are defined by the independent claims.

Die Erfindung wird besser verstanden durch die Beschreibung einer Ausführungsart dieser Erfindung und die sich darauf beziehenden Figuren.The invention will be better understood by describing an embodiment of this invention and the related figures.

Auf Figur 1 ist schematisch eine beim derzeitigen Stand der Technik bekannte Druckmaschine dargestellt.On FIG. 1 is schematically illustrated a known in the current state of the art printing press.

Figur 2 ist eine Darstellung einer Maschine, die den Einsatz des Verfahrens gemäß der Erfindung ermöglicht. FIG. 2 is an illustration of a machine that allows the use of the method according to the invention.

Figur 3 ist ein Blockschema des Verfahrens gemäß der Erfindung. FIG. 3 is a block diagram of the method according to the invention.

Eine bekannte Maschine des gegenwärtigen Standes der Technik wird mit Bezug auf Figur 1 beschrieben. Diese Maschine wird allgemein durch die Bezugsnummer 1 bezeichnet und besteht aus folgenden Teilen: eine Zuführung 2 für die zu bedruckenden Bögen, ein Druckmodul 3, ein Transportsystem 4, mit dem die Druckbögen zu den Auslagen 5 und 6 der Maschine 1 transportiert werden. Diese Maschine umfaßt außerdem eine Zuführung für Zwischenbögen 7 neben den Auslagen 5 und 6.A known machine of the current state of the art will be described with reference to FIG FIG. 1 described. This machine is generally designated by the reference numeral 1 and consists of the following parts: a feed 2 for the sheets to be printed, a printing module 3, a transport system 4 with which the signatures are transported to the trays 5 and 6 of the machine 1. This machine Also includes a feeder for intermediate sheets 7 adjacent to the trays 5 and 6.

Genauer gesagt umfaßt das Druckmodul 3 einen Plattenzylinder, der von Farbauftragwalzen 9 der Farbkästen 13, 14, 15 und 16 eingefärbt wird. Das Modul umfaßt ferner einen Druckzylinder, auf dem die Bögen 18 liegen, die aus der Zuführung 2 kommen. Das Modul enthält außerdem einen Wischzylinder 19 und Übergabewalzen 20 und 21 zum Transport der Bögen 18 auf den Druckzylinder 17.More specifically, the printing module 3 comprises a plate cylinder, which is colored by inking rollers 9 of the ink boxes 13, 14, 15 and 16. The module further comprises a printing cylinder on which lie the sheets 18 coming from the feeder 2. The module also includes a wiping cylinder 19 and transfer rollers 20 and 21 for transporting the sheets 18 onto the impression cylinder 17.

Wenn die Bögen bedruckt sind, werden sie vom Austragsystem 4 übernommen, das beispielsweise ein Kettengreifersystem 22 und Trocknungsmittel 23 wie z.B. Lampen umfaßt. Die Bögen 18, die von dem Austragsystem 4 transportiert werden, werden somit durch die Trocknungsmittel 23 getrocknet, ehe sie in den Auslagen 5 und 6 gestapelt werden. In der Maschine der Figur 1 wird außerdem eine Zufuhrvorrichtung für Zwischenbögen 7 verwendet, mit der ein Schutzbogen 24 zwischen jeden in den Auslagen 5 und 6 gestapelten Bogen 18 gelegt wird.When the sheets are printed, they are taken over by the discharge system 4, which comprises, for example, a chain gripper system 22 and drying means 23, such as lamps. The sheets 18 transported by the discharge system 4 are thus dried by the drying means 23 before being stacked in the trays 5 and 6. In the machine the FIG. 1 In addition, a feeding device for intermediate sheets 7 is used, with a protective sheet 24 is placed between each stacked in the trays 5 and 6 sheet 18.

Die Maschine gemäß der Erfindung wird im Detail mit Bezug auf die Figur 2 beschrieben. Diese Maschine wird durch die Bezugsnummer 30 identifiziert und umfaßt allgemein eine Zuführung 31 für unbedruckte Bögen 32, die einer Druckeinheit 33 zugeführt werden und anschließend, nach Beendigung des Druckes, einem Auslagestapel 34. Die Druckeinheit 33 umfaßt einen Plattenzylinder 35 und einen Druckzylinder 36. Die auf Figur 2 dargestellte Maschine verwendet außerdem zugleich das Prinzip der direkten Farbgebung und der indirekten Farbgebung. Die direkte Einfärbung des Plattenzylinders wird durch einen Farbkasten 37 und eine Farbauftragwalze 38 realisiert. Die indirekte Farbgebung ihrerseits erfolgt durch die Farbkästen 39, 40 und 41 und ihre Farbauftragwalzen 42, 43 und 44. Diese Farbauftragwalzen 42, 43 und 44 geben die Farbe an einen Sammelfarbzylinder 45, der seinerseits die notwendige Farbe auf die Platten des Plattenzylinders 35 aufträgt. Bei dem in Figur 2 dargestellten Beispiel kann der Plattenzylinder 35 zwei Platten tragen und demzufolge wird im vorliegenden Fall nur eine einzige Druckplatte montiert. Das Druckmodul umfaßt ebenfalls eine Wischvorrichtung mit einem Wischzylinder 49.The machine according to the invention will be described in detail with reference to FIGS FIG. 2 described. This machine is identified by the reference numeral 30 and generally comprises a supply 31 for unprinted sheets 32, which are fed to a printing unit 33 and subsequently, after the completion of the printing, a delivery stack 34. The printing unit 33 comprises a plate cylinder 35 and a pressure cylinder 36th Die on FIG. 2 The machine also uses the principle of direct coloring and indirect coloring at the same time. The direct coloring of the plate cylinder is realized by an ink fountain 37 and an inking roller 38. The indirect color in turn is done by the ink boxes 39, 40 and 41 and their inking rollers 42, 43 and 44. This Ink rollers 42, 43 and 44 apply the ink to a collecting ink cylinder 45, which in turn applies the necessary ink to the plates of the plate cylinder 35. At the in FIG. 2 As shown, the plate cylinder 35 can carry two plates, and accordingly, only a single pressure plate is mounted in the present case. The printing module likewise comprises a wiper device with a wiping cylinder 49.

Die unbedruckten Bögen 32 werden von der Zuführung 31 durch ein geeignetes Übergabesystem 50 wie z.B. ein Kettengreifersystem auf den Druckzylinder 36 gebracht und auf diesem Zylinder durch geeignete Greifer des Zylinders 36 festgehalten.The blank sheets 32 are fed from the feeder 31 through a suitable transfer system 50, such as a printer. brought a chain gripper system on the printing cylinder 36 and held on this cylinder by suitable gripper of the cylinder 36.

Über dem Druckzylinder 36 und dem Auslagestapel 34 wurde eine Zuführung 46 für Zwischenbögen 47 angebracht. Gemäß der Erfindung haben diese Zwischenbögen 47 dieselbe Größe wie die unbedruckten Bögen 32, auf denen der Wertpapierdruck erfolgen soll, und sie werden wie die Bögen 32 durch geeignete herkömmliche Mittel, wie z.B. ein Kettengreifersystem oder eine Übergabewalze 48, auf den Druckzylinder 36 geführt. Auf diese Weise erhält der Druckzylinder 36 im Wechsel einen unbedruckten Bogen 32 und einen Zwischenbogen 47. Da sich auf dem Plattenzylinder nur eine einzige Platte befindet, erfolgt ihre Registereinstellung mit dem Bogen 32, der sich auf dem Plattenzylinder 36 befindet und auf den die Wertpapierdrucke aufgedruckt werden sollen: Auf diese Weise wird mit der Platte einer von zwei Bögen bedruckt, d.h. der Bogen 32, der den Wertpapierdruck erhalten soll, und der andere vom Druckzylinder 36 getragene Bogen, der der Zwischenbogen 47 ist, wird nicht bedruckt, nimmt aber in der Druckmaschine 30 denselben Weg wie der bedruckte Bogen. Auf diese Weise gelingt es, im Auslagestapel 34 im Wechsel einen bedruckten Bogen und einen Zwischenbogen 47 zu erhalten, welcher die aufeinanderfolgenden Druckbögen wirksam gegeneinander schützt.Above the printing cylinder 36 and the delivery stack 34, a feeder 46 for intermediate sheets 47 has been attached. According to the invention, these intermediate sheets 47 have the same size as the unprinted sheets 32 on which the printing of the securities is to take place and, like the sheets 32, are guided onto the printing cylinder 36 by suitable conventional means, such as a chain gripper system or a transfer roller 48. In this way, the printing cylinder 36 alternately receives an unprinted sheet 32 and an intermediate sheet 47. Since there is only a single plate on the plate cylinder, their register adjustment is made with the sheet 32, which is located on the plate cylinder 36 and printed on the security prints In this way, one of two sheets is printed with the plate, ie the sheet 32, which is to receive the security printing, and the other carried by the printing cylinder 36 sheet, which is the intermediate sheet 47 is not printed, but takes in the Printing machine 30 the same way as the printed sheet. In this way, it is possible in the delivery stack 34 in alternation a printed sheet and an intermediate sheet 47 to obtained, which effectively protects the successive signatures against each other.

Der Auslagestapel 34 wird vom Druckzylinder 36 gespeist: Nach jeder Umdrehung des Druckzylinders werden die von ihm getragenen Bögen von einem geeigneten Übergabesystem übernommen, z.B. von einer nach dem Ansaugprinzip durch Unterdruck arbeitenden Übergabewalze, um den Bogen zu übergeben, oder einem System mit Kette 51 mit Greifern 52, wie es schematisch punktiert auf Figur 2 dargestellt ist. Diese Systeme sind beim derzeitigen Stand der Technik bei derartigen Druckmaschinen bekannt.The delivery stack 34 is fed by the impression cylinder 36: after each revolution of the impression cylinder, the sheets carried by it are taken over by a suitable transfer system, eg by a transfer roller operating on the suction principle by negative pressure to transfer the sheet, or a system with a chain 51 Grippers 52 as it dotted on schematically FIG. 2 is shown. These systems are known in the prior art in such printing machines.

Die Zwischenbögen 47 werden dem Druckzylinder 36 durch herkömmliche Mittel, zum Beispiel ein Greiferkettensystem, zugeführt und mit Hilfe einer Übergabewalze 48 an den Druckzylinder 36 übergeben.The intermediate sheets 47 are fed to the printing cylinder 36 by conventional means, for example a gripper chain system, and transferred to the printing cylinder 36 by means of a transfer roller 48.

Figur 3 zeigt ein Blockschema des Verfahrens gemäß der Erfindung. In dem beschriebenen Verfahren kann man davon ausgehen, daß der Druckzylinder zwei Bögen trägt, wie bei der auf Figur 2 dargestellten Maschine. In der ersten Etappe des Verfahrens werden dem Druckmodul der Druckmaschine 30 im Wechsel ein unbedruckter zu bedruckender Bogen 32 und ein Zwischenbogen 47 zugeführt. Es wird die Variable N wie oben benutzt, um die Gesamtzahl der Platten, die vom Plattenzylinder 35 getragen werden können, zu definieren, wobei N ein ganzes Vielfaches von 2 ist. Auf Figur 1 ist N gleich 4 und auf Figur 2 ist N gleich 2. Somit befindet man sich unter Bezugnahme auf die Figuren 2 und 3, wenn das Druckmodul 33 im Wechsel mit N/2 unbedruckten zu bedruckenden Bögen 32 und N/2 Zwischenbögen 47 gespeist wird, in der Situation, in der der Druckzylinder 36 einen zu bedruckenden Bogen 32 und einen Zwischenbogen 47 trägt. FIG. 3 shows a block diagram of the method according to the invention. In the described method, it can be assumed that the printing cylinder carries two sheets, as in the on FIG. 2 illustrated machine. In the first stage of the process, the printing module of the printing press 30 is alternately supplied with a blank sheet 32 to be printed and an intermediate sheet 47. The variable N is used as above to define the total number of plates that can be carried by the plate cylinder 35, where N is an integer multiple of 2. On FIG. 1 N is equal to 4 and up FIG. 2 N is equal to 2. Thus, referring to FIG Figures 2 and 3 when the printing module 33 is fed alternately with N / 2 unprinted sheets 32 to be printed and N / 2 intermediate sheets 47 in the situation where the printing cylinder 36 carries a sheet 32 to be printed and an intermediate sheet 47.

Durch Drehen des Druckzylinders 36 werden mit Hilfe der vom Plattenzylinder 35 getragenen Platte die Einzeldrucke auf den Bogen 32 aufgedruckt. Unabhängig von der Anzahl der vom Druckzylinder 36 getragenen Anzahl von Bögen wird auf diese Weise jeder zweite Bogen in der Druckmaschine 30 bedruckt.By rotating the printing cylinder 36, the individual prints are printed on the sheet 32 with the help of the plate cylinder 35 carried by the plate. Regardless of the number of sheets carried by the printing cylinder 36 number of sheets is printed in this way every second sheet in the printing press 30.

Wenn der Druck beendet ist, d.h. wenn der Plattenzylinder 35 und der Druckzylinder 36 eine Umdrehung vollführt haben, werden die Bögen gesammelt und es wird in der Auslage der Maschine ein Bogenstapel 34 gebildet, der sich im Wechsel aus bedruckten Bögen 32 und Zwischenbögen 47, die die bedruckten Bögen 32 voneinander trennen, zusammensetzt.When the pressure is finished, i. when the plate cylinder 35 and the impression cylinder 36 have made one revolution, the sheets are collected and a sheet stack 34 is formed in the delivery of the machine, alternating sheets of printed sheets 32 and intermediate sheets 47 separating the printed sheets 32 from each other, composed.

Die Erfindung ist nicht auf die beschriebenen Ausführungsarten begrenzt, und Abwandlungen sind möglich. Zum Beispiel kann man das Prinzip der Erfindung bei Druckmaschinen anwenden, in denen ein anderes Druckverfahren als der Kupferdruck verwendet wird.The invention is not limited to the described embodiments, and modifications are possible. For example, one can apply the principle of the invention to printing presses using a printing process other than copper printing.

Vorzugsweise sind die Zwischenbögen unbedruckt. Man kann sich jedoch auch vorstellen, daß bei ausreichender Saugfähigkeit des für die Zwischenbögen verwendeten Papiers dieses trotzdem mit Einzeldrucken bedruckt werden könnte. Diese Verfahrensweise könnte vorteilhaft sein, wenn N gleich 2 ist. Denn in diesem Fall, wenn sich nur eine Platte auf dem Plattenzylinder befindet, ist die Drehung desselben nicht ausgeglichen und es können störende Schwingungen erzeugt werden. So könnte man sich vorstellen, daß man trotzdem auf den Plattenzylinder eine zweite Platte aufbringt, auf der man ein vereinfachtes Druckmotiv haben könnte, um zu große Farbmengen zu vermeiden.Preferably, the intermediate sheets are unprinted. However, one can also imagine that with sufficient absorbency of the paper used for the intermediate sheets this could still be printed with individual prints. This procedure could be advantageous when N is equal to 2. Because in this case, if there is only one plate on the plate cylinder, the rotation of the same is not balanced and it can be produced disturbing vibrations. So you could imagine that you still apply to the plate cylinder a second plate on which you could have a simplified print motif to avoid too large amounts of ink.

Andererseits ist die Variable N nicht auf 2 begrenzt. N kann in der Tat 4 oder 6 oder auch 8 betragen. Diese Zahl wird zum Teil von der Größe der zu bedruckenden Bögen, also der Größe der Drucke und der Anzahl der Drucke pro Bogen und auch vom Durchmesser der Druck- und Plattenzylinder diktiert. In der Annahme, daß N 4 oder 6 oder aber 8 ist, wird durch eine symmetrische Verteilung der Sektoren des Plattenzylinders, die eine Platte tragen, und der Sektoren, auf denen sich keine Platte befindet - wobei diese symmetrische Verteilung notwendig ist, um im Wechsel bedruckte Bögen und Zwischenbögen zu erzeugen - die gleichmäßige Funktion der Maschine verbessert, weil kein Ungleichgewicht durch Nichtvorhandensein einer Platte entsteht.On the other hand, the variable N is not limited to 2. In fact, N can be 4 or 6 or even 8. This number is partly due to the size of the sheets to be printed, ie the size of the prints and the number of prints per sheet and also dictated by the diameter of the printing and plate cylinders. Assuming that N is 4 or 6 or 8, it is replaced by a symmetrical distribution of the sectors of the plate cylinder carrying a plate and the sectors on which there is no plate - this symmetrical distribution being necessary producing printed sheets and interleaf sheets - improves the smooth operation of the machine because there is no imbalance due to the absence of a sheet.

Ein Vorteil des Verfahrens gemäß der Erfindung und der Druckmaschine, die den Einsatz des Verfahrens ermöglicht, ist der modulare Aufbau für die kleinen Maschinen. Es ist in der Tat einfach, eine Zwischenbogenzuführung über der Maschine anzubauen und diese Bögen in den Fluß der unbedruckten zu bedruckenden Bögen in Höhe des die Bögen tragenden Zylinders einzufügen und nicht den Fluß der in der Auslage der Druckmaschine gestapelten Bögen zu unterbrechen. Das beschriebene System ist auch sehr kompakt und der erforderliche Platz ist im Vergleich zu einem herkömmlichen Trockensystem stark verringert. Das System, bei dem das Verfahren gemäß der Erfindung zum Einsatz kommt, ist schließlich bei weitem nicht so teuer wie ein Trockensystem.An advantage of the method according to the invention and the printing machine which enables the use of the method is the modular design for the small machines. In fact, it is easy to grow an intermediate sheet feeder over the machine and to insert these sheets in the flow of unprinted sheets to be printed at the level of the cylinder carrying the sheets and not to interrupt the flow of sheets stacked in the delivery of the printing press. The system described is also very compact and the required space is greatly reduced compared to a conventional drying system. The system using the method according to the invention is, after all, not nearly as expensive as a drying system.

Claims (11)

  1. A method of producing stacks of sheets which are printed with individual prints, in particular stacks of securities sheets, such as banknotes, from stacks of unprinted sheets, the unprinted sheets running through a printing machine one after another in order to be provided with the individual prints, wherein the printing machine comprises an impression cylinder (36), which is capable to bear N sheets on its periphery, and a plate cylinder (35) with N/2 printing plate or plates, wherein N is a multiple of 2, characterized by the following stages:
    - ) feeding a sequence of unprinted sheets and of intermediate sheets alternately onto the impression cylinder of the printing machine, starting from sheet feed devices;
    - ) printing the sheets with the individual prints by means of the printing machine;
    - ) transferring the printed sheets and the intermediate sheets to the delivery stack of the machine in such a way that stacks are formed which are composed alternately of printed sheets and intermediate sheets.
  2. The method as claimed in claim 1, characterized in that the unprinted sheets are provided with the prints of securities and the intermediate sheets are not printed.
  3. The method as claimed in one of the preceding claims, wherein the prints are copper prints.
  4. A machine for printing sheets, in particular securities sheets, for the use of the method as claimed in one of the preceding claims, the machine having at least one feed (31) for unprinted sheets (32), a plate cylinder (35) with at least one printing plate, an impression cylinder (36), a wiping device (49) and an inking system (37, 38, 39, 40, 41, 42, 43, 44, 45) for inking the necessary zones of the plate or plates carried by the plate cylinder (35), characterized in that for an impression cylinder (36) which can carry N sheets on its periphery, N is a multiple of 2, the plate cylinder (35) comprises N/2 plates, so that half of the sheets (32) carried by the impression cylinder (36) are printed by each of the plates during one complete revolution of the cylinders (35, 36).
  5. The printing machine as claimed in claim 4, characterized in that the N/2 plates are distributed symmetrically on the plate cylinder (35).
  6. The printing machine as claimed in claim 4 or 5, characterized in the it additionally contains a feed device (46) for intermediate sheets, with which an intermediate sheet (47) is introduced between each sheet (32) to be printed, and in that the sheet which is not printed by a plate is an intermediate sheet (47).
  7. The printing machine as claimed in claim 6, characterized in that the intermediate sheets are fed on the impression cylinder (36).
  8. The printing machine as claimed in one of claims 4 to 7, characterized in that N is equal to 2.
  9. The printing machine as claimed in claim 8, characterized in that the plate cylinder, 35 comprises a single printing plate for printing the unprinted sheets (32) and a plate for balancing the rotation of the plate cylinder (35).
  10. The printing machine as claimed in one of claims 4 to 8, characterized in that it comprises a delivery stack (34), on which the sheets from the impression cylinder are deposited after a complete revolution of the latter.
  11. The printing machine as claimed in claim 10, characterized in that the inking system is an indirect inking system, comprising an ink collecting cylinder (45), which interacts firstly with at least one ink applicator cylinder (42, 43, 44) and secondly with the plate cylinder (35) in order to ink the necessary zones of the plate or plates carried by the plate cylinder (35).
EP01974614A 2000-10-20 2001-10-18 Sheet-fed printing press and method carried out using the same Expired - Lifetime EP1326749B1 (en)

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CH20592000 2000-10-20
CH205900 2000-10-20
PCT/IB2001/001951 WO2002032669A2 (en) 2000-10-20 2001-10-18 Sheet-fed printing press and method carried out using the same

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JP5276747B1 (en) * 2012-11-30 2013-08-28 日本レヂボン株式会社 Rotating whetstone and manufacturing method thereof
DE102013223826B4 (en) * 2013-11-21 2016-09-22 Koenig & Bauer Ag Gravure printing machines and printing equipment with a gravure printing machine
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US20040182264A1 (en) 2004-09-23
AU777495B2 (en) 2004-10-21
CA2393209A1 (en) 2002-04-25
WO2002032669A2 (en) 2002-04-25
RU2262447C2 (en) 2005-10-20
CA2393209C (en) 2009-09-29
ATE423677T1 (en) 2009-03-15
KR100829530B1 (en) 2008-05-20
US6761110B2 (en) 2004-07-13
US6948428B2 (en) 2005-09-27
KR20070086581A (en) 2007-08-27
DE50114732D1 (en) 2009-04-09
UA72952C2 (en) 2005-05-16
CN1422213A (en) 2003-06-04
AU9412701A (en) 2002-04-29
JP2008201144A (en) 2008-09-04
WO2002032669A3 (en) 2002-07-25
KR100829528B1 (en) 2008-05-16
US20030089253A1 (en) 2003-05-15
WO2002032669A8 (en) 2004-03-11
JP2004511365A (en) 2004-04-15
KR20020091058A (en) 2002-12-05
CN1265963C (en) 2006-07-26

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