JP3735642B2 - Offset zummel printing machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an offset / Zammel printing machine capable of performing both Zammel printing and offset printing with a single printing machine.
[0002]
[Prior art]
For printing of securities, intaglio, letterpress and lithographic printing methods are used in a complex combination for the purpose of preventing counterfeiting. Intaglio printing with delicate and sharp lines on portraits and face values, letterpress printing with easy-to-read sharp characters on serial numbers, and lithographic (offset) printing suitable for multicolor printing are used for the background pattern. . Further, Zammel printing, which is a special printing method, is adopted for part of the background pattern.
[0003]
In Zummel printing, inks of different colors are applied to a plurality of partial plate cylinders, and then the lines on each partial plate cylinder are gathered on the collective plate cylinders through the collective rubber cylinders. This is a printing method in which the image is transferred onto paper passing between the cylinders. This Zammel printing has a feature that there is no misalignment even when the color is changed from the middle of the image line, so that the effect of preventing forgery is great.
[0004]
What is shown in FIG. 3 is a multicolor xammel printing machine used for printing a tint block.
In this printing machine, three partial printing cylinders (Zammel pattern printing cylinder) 01, collective rubber cylinder (Zammel collective rubber cylinder) 02, collective printing cylinder (Zammel collective printing cylinder) 03, rubber cylinder 04, and impression cylinder 05 are provided. They are connected in this order. The image line on each partial plate cylinder 01 is transferred and integrated to the collective plate cylinder 03 through the collective rubber cylinder 02, and further supplied between the rubber cylinder 04 and the impression cylinder 05 from the swing 06 through the rubber cylinder 04. Printed on printed paper. The printed paper is conveyed from the delivery cylinder 07 by the paper discharge chain 08.
[0005]
[Problems to be solved by the invention]
As described above, conventionally, offset printing presses and zanmel printing presses are used together for printing a tint block, but both printing presses are structurally large, and thus have a drawback that the installation cost becomes large. In addition, there is a problem in that the load on the operator when the printed matter on the pallet is transported by a forklift or the like without collapsing from the paper discharge unit of the Zammel printing machine to the paper feeding unit of the offset printing machine is also problematic.
[0006]
Incidentally, the applicant previously disclosed in Japanese Patent Application Laid-Open No. 2-22057, a double-sided multi-color offset printing system that can simultaneously perform double-sided multi-color offset printing and zammel printing in a printing machine that performs double-sided multicolor offset printing. Proposed a Mel printing machine. However, in this case, in addition to the disadvantage that it is limited to double-sided multicolor printing, the Zummel collective cylinder, the Zammel collective rubber cylinder, and the Zammel pattern print cylinder are provided around at least one of the pair of collective rubber cylinders. Etc., the structure of the printing press has become extremely complicated, and there has been a problem that it is difficult to prepare and maintain printing.
[0007]
SUMMARY OF THE INVENTION An object of the present invention is to provide an offset / Zammel printing machine that can perform both offset printing and Zammel printing with a single printing machine having a simple structure, and can easily perform printing preparation work and maintenance work. is there.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, an offset zummel printing machine according to the present invention includes a zummel printing unit that performs zammel printing on paper supplied from a paper feeding unit, and offset printing that performs offset printing on a paper subjected to zummel printing. The offset printing unit includes an offset printing unit having a plate cylinder, a rubber cylinder, and an impression cylinder. The pressure cylinder of the Zammel printing unit and the pressure cylinder of the offset printing unit are connected by at least one transfer cylinder, and the Zammel printing unit and the offset printing unit are disposed horizontally, and the inker of the Zammel printing unit Can be moved horizontally between the Zammel printing unit and the offset printing unit and above the transfer cylinder. Characterized in that the.
[0009]
Further, the printing apparatus includes: a zummel printing unit that performs zammel printing on the paper supplied from the paper feeding unit; and an offset printing unit that performs offset printing on the paper subjected to zummel printing. The zummel printing unit includes a partial plate cylinder and a collective rubber cylinder. And an offset printing unit having a plate cylinder, a rubber cylinder, and an impression cylinder, the impression cylinder of the Zammel printing unit, and the impression cylinder of the offset printing unit. Are connected by at least one transfer cylinder, and the Zammel printing unit and the offset printing unit are horizontally disposed, and an inker of the Zummel printing unit is disposed between the paper feeding unit and the Zammel printing unit and the paper feed. disposed above the at least one transfer cylinder connecting between said collect-printing unit parts that have to be movable in the horizontal direction And butterflies.
[0010]
[Action]
According to the above configuration, the paper that has been subjected to the zammel printing in the zummel printing unit is sent to the offset printing unit via the transfer cylinder and offset printing is performed, and both printings are performed inline.
[0011]
In addition, since the inker of the Zummel printing section can move horizontally above the transfer cylinder, printing preparation work and maintenance work can be easily performed.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The offset zummel printing press according to the present invention will be described in detail with reference to examples.
[0013]
[First embodiment]
FIG. 1 is an overall configuration diagram showing a first embodiment of an offset / Zammel printing press.
[0014]
As shown in the drawing, a sheet feeding unit 1, a zammel printing unit 2, an offset printing unit 3, and a sheet discharge unit 4 are arranged in order from the right. First, sheet-like paper from the sheet feeding unit 1 is swung one by one. Thus, the sheet is supplied between the rubber cylinder 6 and the impression cylinder 7 of the Zammel printing unit 2.
[0015]
The Zammel printing unit 2 includes three partial plate cylinders 8, an aggregate rubber cylinder 9, an aggregate plate cylinder 10, the rubber cylinder 6, and an impression cylinder 7 arranged in order from the top. The image line is transferred and integrated to the collecting plate cylinder 10 via the collecting rubber cylinder 9 and further printed on the paper supplied between the rubber cylinder 6 and the impression cylinder 7 via the rubber cylinder 6. It has become.
[0016]
Next, the paper printed by Zammel passes through the five transfer cylinders 11 from the impression cylinder 7 and is supplied between the rubber cylinder 12 and the impression cylinder 13 of the first color printing unit 3a of the offset printing section 3. It has become so.
[0017]
The offset printing unit 3 includes a printing cylinder 14, the rubber cylinder 12, and an impression cylinder 13, and is composed of three printing units 3 a, 3 b, 3 c, and is supplied between the rubber cylinder 12 and the impression cylinder 13. Printing is performed on the printed paper using a predetermined color image line transferred from each plate cylinder 14. A single transfer cylinder 11 is interposed between the printing units 3a to 3c.
[0018]
Finally, the offset printed paper is sequentially conveyed from the impression cylinder 13 of the printing unit 3c for the third color to the paper discharge unit 4 via the delivery cylinder 15 by the paper discharge chain 16 and stacked in a pile shape. It has become.
[0019]
In this embodiment, the inker 18 in which an ink roller group (not shown) is incorporated in the Zammel printing unit 2 is configured to be movable in the horizontal direction above the five transfer cylinders 11 (on the printing machine frame) (see FIG. Middle chain line), the three partial plate cylinders 8, the collective rubber cylinder 9, the collective plate cylinder 10, the rubber cylinder 6 and the impression cylinder 7 can be moved forward and backward (detached). Yes.
[0020]
Because of this configuration, the same three-color offset printing is performed in-line after the three-color Zammel printing.
As a result, it is possible to print the background pattern in the securities, which has been conventionally performed by two printers, with one printer, and drastically reduce the installation cost.
[0021]
Further, in addition to the simple structure in which the Zammel printing unit 2 and the offset printing unit 3 are connected by the transfer cylinder 11, the inker 18 of the Zummel printing unit 2 is configured to be movable on the transfer cylinder 11 in the horizontal direction. Therefore, printing preparation work and maintenance work can be easily performed. That is, the partial plate cylinder 8, the collective rubber cylinder 9, the collective plate cylinder 10, the rubber cylinder 6, and the impression cylinder 7 of the print unit 17 are retracted (removed) from the printing unit 17 toward the offset printing unit 3. Thus, printing preparation work and maintenance work can be performed quickly and smoothly using the empty space of the inker 18 effectively.
[0022]
[Second Embodiment]
FIG. 2 is an overall configuration diagram showing a second embodiment of the offset / Zammel printing press.
[0023]
In this embodiment, the Zammel printing unit 2 and the offset printing unit 3 in the first embodiment are connected by a single transfer cylinder 11 and paper is fed from the swing 5 to the four transfer cylinders 11 of the paper supply unit 1. Is supplied between the rubber cylinder 6 and the impression cylinder 7 of the Zammel printing unit 2, and the inker 18 of the Zummel printing unit 2 is configured to be movable in the horizontal direction on the four transfer cylinders 11. (See the chain line in the figure).
[0024]
According to this, similarly to the first embodiment, the same three-color offset printing is performed in-line after the three-color Zammel printing.
Further, the inker 18 is retracted (removed) from the printing unit 17 toward the paper feed unit 1, whereby the partial plate cylinder 8, the collective rubber cylinder 9, the collective plate cylinder 10, the rubber cylinder 6, and the impression cylinder 7 of the print unit 17. The preparatory work and maintenance work for printing etc. can be performed quickly and smoothly by effectively utilizing the empty space of the inker 18.
[0025]
In each of the above-described embodiments, the example of three-color printing is shown for both Zammel printing and offset printing. However, the present invention is not limited to this, and the Zammel printing unit 2 increases or decreases the partial plate cylinder 8 and the offset printing unit 3. Then, the number of colors can be changed as appropriate by increasing or decreasing the number of units (the number of sets of the plate cylinder 14, the rubber cylinder 12 and the impression cylinder 13).
[0026]
【The invention's effect】
As described above, according to the present invention, the zummel printing unit that performs zammel printing on the paper supplied from the paper feeding unit and the offset printing unit that performs offset printing on the paper subjected to zummel printing are provided via the transfer cylinder. Since they are connected, both printings are performed in-line, the installation cost can be drastically reduced, and a simple structure facilitates printing preparation work and maintenance work.
[0027]
Further, the inker of the Zammel printing section is movable and travels above the transfer cylinder, so that the printing preparation work and maintenance work can be performed more easily.
[Brief description of the drawings]
FIG. 1 is an overall configuration diagram showing a first embodiment of an offset zammel printing press according to the present invention.
FIG. 2 is an overall configuration diagram showing a second embodiment of the offset / Zammel printing press according to the present invention.
FIG. 3 is an explanatory diagram of a conventional Zammel printing machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Paper feed part 2 Zammel printing part 3 Offset printing part 4 Paper discharge part 5 Swing 6 Rubber cylinder 7 Impression cylinder 8 Partial plate cylinder 9 Collective rubber cylinder 10 Collective cylinder 11 Transfer cylinder 12 Rubber cylinder 13 Impression cylinder 14 Plate cylinder 15 Delivery Cylinder 16 Discharge chain 17 Inker 18 Printing unit

Claims (2)

A zummel printing unit that performs zammel printing on the paper supplied from the paper supply unit, and an offset printing unit that performs offset printing on the paper subjected to zummel printing ,
The Zammel printing unit comprises a Zammel printing unit having a partial plate cylinder, a collecting rubber cylinder and an impression cylinder,
The offset printing unit includes an offset printing unit having a plate cylinder, a rubber cylinder, and an impression cylinder,
Connecting the impression cylinder of the Zammel printing unit and the impression cylinder of the offset printing unit with at least one transfer cylinder and horizontally arranging the Zammel printing unit and the offset printing unit;
An offset xammel printing machine, wherein an inker of the xammel printing unit is disposed between the zummel printing unit and the offset printing unit and above the transfer cylinder so as to be movable in the horizontal direction . A zummel printing unit that performs zammel printing on the paper supplied from the paper supply unit, and an offset printing unit that performs offset printing on the paper subjected to zummel printing,
The Zammel printing unit comprises a Zammel printing unit having a partial plate cylinder, a collecting rubber cylinder and an impression cylinder,
The offset printing unit includes an offset printing unit having a plate cylinder, a rubber cylinder, and an impression cylinder,
Connecting the impression cylinder of the Zammel printing unit and the impression cylinder of the offset printing unit with at least one transfer cylinder and horizontally arranging the Zammel printing unit and the offset printing unit;
The inker of the zanmel printing unit is disposed in the horizontal direction between the paper feeding unit and the zanmel printing unit and above at least one transfer cylinder connecting the paper feeding unit and the zanmel printing unit. An offset zummel printing machine characterized by enabling it .

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