JP2003127321A - Offset and sammeldruck printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an offset Sammeldruck printer capable of conducting both offset printing and Sammeldruck printing by one printer having a simple structure, and easily conducting the preparation work and the maintenance work for printing. SOLUTION: In the printer, a Sammeldruck printing part 2 for subjecting a paper supplied from a paper feeding part 1 to the Sammeldruck printing and an offset printing part 3 for subjecting the Sammeldruck-printed paper to the offset printing are connected with each other through five transfer cylinders 11, and an inker 18 of the printing part 2 is detachably attached to a printing unit 17 so that the upper parts of the transfer cylinders 11 can be moved in the horizontal direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field 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]

2. Description of the Related Art In printing securities, intaglio, letterpress, and lithographic printing methods are used in a complex combination for the purpose of preventing forgery. Intaglio printing is used to create delicate and sharp lines for portraits and face, letterpress printing is used to print easy-to-read sharp characters for serial numbers, and lithographic (offset) printing is suitable for tint block printing. . Furthermore, Zammel printing, which is a special printing method, is adopted for a part of the tint block.

Zanmel printing is a method in which different color inks are applied to a plurality of partial plate cylinders respectively, and then the lines on each partial plate cylinder are collected on the collective plate cylinder through a collective blanket cylinder, and then the rubber is printed. It is a printing method that transfers to paper that passes between the cylinder and impression cylinder.
The Zammel printing has a feature that even if the color is changed in the middle of the drawing line, the misalignment of the printing does not occur at all, and thus the effect of preventing forgery is great.

The one shown in FIG. 3 is a multicolor Zanmel printing machine used for printing a tint block. In this printing press, three partial plate cylinders (Zanmel pattern plate cylinders) 01, collective blanket cylinders (Zammel collective blanket cylinders) 02, collective plate cylinders (Zanmel collective plate cylinders) 03, blanket cylinders 04, impression cylinders 05 They are connected in this order. The image lines on each partial plate cylinder 01 are transferred and integrated onto the collective plate cylinder 03 via the collective blanket cylinder 02, and further, on the blanket cylinder 04.
Is printed on the paper supplied from the swing 06 between the blanket cylinder 04 and the impression cylinder 05 via the. The printed paper is conveyed by the paper discharge chain 08 from the delivery cylinder 07.

[0005]

As described above, conventionally, an offset printing machine and a Zammel printing machine are used together to print a tint block, but both printing machines are structurally large in size, and therefore installation costs are low. There was a huge drawback. There is also a problem in that the operator's load is increased when the printed matter on the pallet is transferred from the paper discharge section of the Zammel printing machine to the paper feed section of the offset printing machine by a forklift without collapsing the load.

Incidentally, the applicant of the present invention has previously disclosed the Japanese Patent Laid-Open No.
In Japanese Patent Laid-Open No. 57-57, a double-sided multicolor offset Zammel printing machine is proposed, which is capable of simultaneously performing double-sided multicolor offset printing and Zammel printing in a printing machine that performs double-sided multicolor offset printing. However, in this case, in addition to the drawback of being limited to double-sided multicolor printing, a Zammel stencil cylinder around at least one of the pair of collective blanket cylinders,
Due to the structure in which the Zammel aggregate blanket cylinder, the Zammel pattern plate cylinder, and the like are arranged, the structure of the printing machine is significantly complicated, which makes it difficult to perform the preparation work and maintenance work for printing.

Therefore, an object of the present invention is to provide an offset Zanmel printing machine which can perform both offset printing and Zammel printing with a single printing machine having a simple structure, and which can easily perform printing preparation work and maintenance work. To do.

[0008]

In order to achieve the above object, an offset Zanmel printing machine according to the present invention is provided with a Zanmel printing unit for performing Zanmel printing on paper supplied from a paper feeding unit and Zanmel printing. It is characterized in that an offset printing unit for performing offset printing on the paper is connected via a transfer cylinder.

Further, the inker of the Zammel printing unit is movable and runs above the transfer cylinder.

[Operation] According to the above construction, the paper which has undergone the Zammel printing in the Zammel printing section is sent to the offset printing section through the transfer cylinder to be offset printed, and both printings are performed in-line.

Further, since the inker of the Zammel printing unit is movable in the horizontal direction above the transfer cylinder, the preparatory work for printing and the maintenance work can be easily performed.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION The offset Zanmel printing machine according to the present invention will be described in detail with reference to Examples.

[First Embodiment] FIG. 1 is an overall configuration diagram showing a first embodiment of an offset Zammel printing machine.

As shown in the figure, a sheet feeding section 1, a Zanmel printing section 2, an offset printing section 3 and a sheet discharging section 4 are arranged in order from the right. First, one sheet of paper from the sheet feeding section 1 is placed. The swing cylinder 5 and the impression cylinder 7 and the impression cylinder 7 of the Zammel printing unit 2
It will be supplied between and.

The Zammel printing unit 2 comprises three partial plate cylinders 8, a collective blanket cylinder 9, an collective plate cylinder 10, the blanket cylinder 6 and an impression cylinder 7, which are arranged in this order from the top. The image lines on the cylinder 8 are transferred and integrated to the collective plate cylinder 10 via the collective blanket cylinder 9, and are further integrated via the blanket cylinder 6 with the blanket cylinder 6 and the impression cylinder 7.
It is designed to be printed on the paper supplied in between.

Next, the Zammel-printed paper passes from the impression cylinder 7 to the five transfer cylinders 11 and passes through the offset printing unit 3.
The ink is supplied between the blanket cylinder 12 and the impression cylinder 13 of the printing unit 3a for the first color.

The offset printing section 3 includes three printing units 3 including a plate cylinder 14, the blanket cylinder 12 and the impression cylinder 13.
a, 3b, 3c, so that printing can be performed with the image line of a predetermined color transferred from each plate cylinder 14 on the paper supplied between each blanket cylinder 12 and impression cylinder 13. Has become. It should be noted that there is 1 between the printing units 3a to 3c.
A book transfer cylinder 11 is interposed.

Finally, the offset-printed paper is transferred from the impression cylinder 13 to the delivery cylinder 15 of the printing unit 3c for the third color.
The sheets are sequentially conveyed to the sheet discharge section 4 by the sheet discharge chain 16 via the and stacked in a pile shape.

In the present embodiment, the Zammel printing unit 2
In the above, the inker 18 including the ink roller group (not shown) is located above the five transfer cylinders 11 (on the printer frame).
Is configured to be movable in the horizontal direction (see a chain line in the figure), and is provided to a printing unit 17 that axially supports the three partial plate cylinders 8, the collective blanket cylinder 9, the collective plate cylinder 10, the blanket cylinder 6 and the impression cylinder 7. It is possible to move forward and backward (attach and detach).

With such a configuration, the three-color offset printing is also performed inline after the three-color Zammel printing. As a result, it becomes possible to print the tint block on the securities, which was conventionally performed by two printing machines, by one printing machine, and the installation cost can be drastically reduced.

Further, in addition to the simple structure in which the Zanmel printing section 2 and the offset printing section 3 are connected by the transfer cylinder 11, the inker 18 of the Zammel printing section 2 is configured to be movable on the transfer cylinder 11 in the horizontal direction. As a result, printing preparation work and maintenance work can be performed easily. That is, by retracting (separating) the inker 18 from the printing unit 17 toward the offset printing unit 3 side, the partial plate cylinder 8, collective blanket cylinder 9, collective blanket cylinder 10, blanket cylinder 6 and impression cylinder 7 of the printing unit 17 are moved. The printing preparation work and the maintenance work for the printing can be performed quickly and smoothly by effectively utilizing the empty space of the inker 18.

[Second Embodiment] FIG. 2 is an overall configuration diagram showing a second embodiment of an offset Zammel printing machine.

In this embodiment, the Zanmel printing unit 2 and the offset printing unit 3 in the first embodiment are connected by one transfer cylinder 11, and the four swing cylinders 11 from the swings 5 of the paper feeding unit 1 are connected. The paper is supplied between the blanket cylinder 6 and the impression cylinder 7 of the Zammel printing unit 2 via the above, and the inker 18 of the Zammel printing unit 2 is configured to be horizontally movable on the four transfer cylinders 11. This is an example (see the chain line in the figure).

According to this, similarly to the first embodiment, the three-color offset printing is also performed inline after the three-color Zammel printing. Further, by retracting (removing) the inker 18 from the printing unit 17 toward the paper feed unit 1, the partial plate cylinder 8, the collective blanket cylinder 9, the collective plate cylinder 10, the blanket cylinder 6 and the impression cylinder 7 of the printing unit 17 are moved. Preparatory work and maintenance work for printing etc. can be carried out quickly and smoothly by effectively utilizing the empty space of the inker 18.

In each of the above-described embodiments, an 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 Zanmel printing unit 2 can increase / decrease the partial plate cylinder 8 and also offset. In the printing section 3, the number of units (plate cylinder 1
4, the number of colors can be changed as appropriate by increasing or decreasing the number of sets of the blanket cylinder 12 and the impression cylinder 13.

[0026]

As described above, according to the present invention, the Zanmel printing unit for performing Zanmel printing on the paper supplied from the paper feeding unit and the offset printing unit for performing offset printing on the Zammel printed paper are provided. Since they are connected via the transfer cylinder, both printings can be performed in-line, the installation cost can be drastically reduced, and the simple structure facilitates printing preparation work and maintenance work.

The inker of the Zammel printing unit is a movable type and runs above the transfer cylinder, so that the printing preparation work and maintenance work can be performed more easily.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a first embodiment of an offset Zammel printing machine according to the present invention.

FIG. 2 is an overall configuration diagram showing a second embodiment of an offset Zammel printing machine according to the present invention.

FIG. 3 is an explanatory diagram of a conventional Zammel printing machine.

[Explanation of symbols]

1 Paper feeder 2 Zammel Printing Department 3 Offset printing department 4 Paper output section 5 swing 6 blanket 7 impression cylinder 8 partial plate body 9 Assembly rubber cylinder 10 Assembly version body 11 Passage 12 blanket cylinder 13 impression cylinder 14 plate cylinder 15 Delivery body 16 Paper output chain 17 Inker 18 printing unit

Continued front page    (72) Inventor Hiromi Kamoda             210 Kirigasaku, Sekijuku-cho, Higashi-Katsushika-gun, Chiba Prefecture             Ceremony Company Komori Corporation Sekijuku Plant             Within F-term (reference) 2C034 AA12 AA13 AA27 AA43 AA48

Claims (2)

[Claims] 1. A Zanmel printing unit for performing Zanmel printing on paper supplied from a paper supply unit and an offset printing unit for performing offset printing on Zammel printed paper are connected via a transfer cylinder. Offset Zammel printing machine. 2. The offset Zammel printing machine according to claim 1, wherein the inker of the Zammel printing unit is of a movable type and runs above the transfer cylinder.