JP6814562B2 - Combination printing machine - Google Patents

Description

The present invention relates to a combination printing machine having an offset printing unit and an intaglio printing unit.

Conventional securities such as banknotes and stock certificates are printed in multiple colors to prevent counterfeiting. As a conventional printing machine capable of performing this kind of printing, for example, there is one described in Patent Document 1.
The printing machine disclosed in Patent Document 1 has a first offset printing unit and a second offset printing unit. The first offset printing unit has two ink devices, a rubber cylinder to which ink is supplied from these ink devices, and an impression cylinder through which a sheet is passed between the rubber cylinders. This first printing unit prints on one side of the sheet.

The second offset printing unit includes a pair of rubber cylinders arranged horizontally below the first printing unit, four plate cylinders facing each of these rubber cylinders, and an ink device for each of these plate cylinders. have. In the second offset printing section, the sheet passes between the pair of rubber cylinders, so that four colors are printed on both sides of the sheet at the same time.
By the way, as a conventional printing machine for printing securities, for example, as described in Patent Document 2, one having an offset printing unit and an intaglio printing unit has been proposed. In the printing machine disclosed in Patent Document 2, offset printing and intaglio printing can be performed in a so-called one pass.

Japanese Patent No. 4468508 Japanese Unexamined Patent Publication No. 2012-139995

The printing press disclosed in Patent Document 1 cannot perform offset printing and intaglio printing in one pass like the printing press shown in Patent Document 2. In order to provide the printing machine shown in Patent Document 1 with an intaglio printing portion as disclosed in Patent Document 2, a sheet discharged downward from between a pair of rubber cylinders is recessed by a chain-type transport device. Must be sent to the printing department.

Since the chain type transfer device has poor position accuracy in the sheet feeding direction and the left-right direction, it is said that the registration accuracy of the pattern printed by the intaglio printing section is poor with respect to the pattern printed by the first and second offset printing sections. There's a problem. If a plurality of transfer cylinders are used instead of the chain type transfer device in order to solve such a problem, it is necessary to secure an installation space for the transfer cylinder below one rubber cylinder of the second offset printing unit. Because of this, the entire printing machine becomes large.
Further, in the printing machine shown in Patent Document 1, since the sheet is pressed by a pair of rubber cylinders to perform offset printing, the image line becomes thick and a sharp image cannot be printed on the sheet. there were.

The present invention has been made to solve such a problem, and is a compact combination capable of simultaneously performing sharp multicolor printing on a sheet and performing offset printing and intaglio printing in one pass. The purpose is to provide a printing machine.

In order to achieve this object, in the combination printing machine according to the present invention, the sheet is discharged from the feeder unit to the delivery unit via the offset printing unit and the intaglio printing unit, and the discharged non-defective sheet is inverted and regenerated. a combination printer for performing multicolor offset printing and intaglio printing on both sides by performing printing, the offset printing unit, one transfer cylinder and an upper impression cylinder for transporting the sheet fed from the feeder unit an upper printing unit having, a lower printing unit having a lower impression cylinder for transporting from the upper impression cylinder receiving the sheets, the upper printing portion, the upper ink supply comprising two inking units and two plate cylinders It has a unit and an upper rubber cylinder that is in contact with the upper part of the upper impression cylinder and transfers an image transferred from the upper ink supply unit to a sheet sandwiched between the upper impression cylinder and the lower printing. The unit is in contact with the lower part of the lower impression cylinder, which includes a lower ink supply unit including four or more ink devices and a plurality of plate cylinders, and the image transferred from the lower ink supply unit is transferred to the lower impression cylinder. It has a lower rubber cylinder that transfers to a sheet sandwiched between them, and the ink device of the upper ink supply unit and the ink device of the lower ink supply unit have a printing position that is a printing position and a printing position when not in use, respectively. The ink device of the upper ink supply unit is positioned in the retracted position by moving from the printing position to the delivery unit side, and is positioned so as to be movable from the retracted position, which is the position. The intaglio printing device is positioned at the retracted position by moving from the printing position to the feeder section side, and the intaglio printing section includes an intaglio impression cylinder in which a sheet is fed from the offset printing section by a transfer cylinder, and a plurality of inks. A sheet in which an intaglio printing ink supply unit including an apparatus and a plurality of intaglio cylinders is in contact with the intaglio impression cylinder and an image transferred from the intaglio printing ink supply unit is sandwiched between the intaglio impression cylinders. The intaglio cylinder and the upper impression cylinder of the upper printing portion are arranged in the horizontal direction, and the upper impression cylinder and the lower impression cylinder are perpendicular to the horizontal direction. The lower rubber cylinder and the upper impression cylinder and the lower impression cylinder of the upper printing portion are arranged so as to overlap the lower rubber cylinder in the vertical direction, and the lower rubber cylinder and the intaglio plate are arranged in the vertical direction. The body is arranged below the sheet transport path .

In the present invention, in the combination printing machine, the transfer cylinder may be connected to the offset printing unit and the driving device for driving the intaglio printing unit via a clutch.

In the present invention, in the combination printing machine, a first dryer for drying the ink printed on the upper printing unit and a second dryer for drying the ink printed on the lower printing unit are further provided. You may have.

In the present invention, in the combination printing machine, the intaglio printing unit may include the ink device for five colors.

In the present invention, in the combination printing machine, the upper ink supply unit has an upper first plate cylinder and an upper second plate cylinder facing the upper rubber cylinder, and the upper first plate cylinder and the upper second plate, respectively. It may have two ink devices for supplying ink to the cylinders, and two water supply devices for supplying dampening water to the upper first plate cylinder and the upper second plate cylinder, respectively.

In the present invention, in the combination printing machine, the upper ink supply unit is attached to an upper collective plate cylinder facing the upper rubber cylinder, an upper collective rubber cylinder facing the upper collective plate cylinder, and the upper collective rubber cylinder. It may have an upper first plate cylinder and an upper second plate cylinder facing each other, and two ink devices for supplying ink to the upper first plate cylinder and the upper second plate cylinder, respectively.

In the upper printing section of the offset printing section, sharp multicolor printing is simultaneously applied to one side of the sheet by passing the sheet between the upper impression cylinder and the upper rubber cylinder. In the lower printing section, the sheet passes between the lower impression cylinder and the lower rubber cylinder, so that sharp multicolor printing is simultaneously applied to the other surface of the sheet. Since the sheet printed by the offset printing unit is sent to the intaglio printing unit while the accuracy of the position in the feeding direction is maintained high by the transfer cylinder, offset printing and intaglio printing are performed with high accuracy in one pass.

Further, since the upper printing section and the lower printing section of the offset printing section are arranged in the vertical direction, the offset printing section can be compactly formed in the horizontal direction. The position where the ink device of the upper printing unit retracts when not in use is a dead space formed above the transfer cylinder connecting the offset printing unit and the intaglio printing unit. Further, the position where the ink device of the lower printing unit retracts when not in use is a dead space below the transport path for feeding the sheet from the feeder unit to the offset printing unit.
Therefore, according to the present invention, it is possible to provide a compact combination printing machine capable of simultaneously performing sharp multicolor printing on a sheet and performing offset printing and intaglio printing in one pass.

It is a side view which shows the structure of the combination printing machine by 1st Embodiment. It is a side view which shows the offset printing part enlarged. It is a side view which shows the intaglio printing part enlarged. It is a schematic diagram which shows the printing order. It is a side view which shows the structure of the combination printing machine by 2nd Embodiment. It is a side view which shows the offset printing part enlarged. It is a schematic diagram which shows the printing order.

(First Embodiment)
Hereinafter, an embodiment of the combination printing press according to the present invention will be described in detail with reference to FIGS. 1 to 4.
The combination printing machine 1 shown in FIG. 1 feeds the sheet 4 from the feeder unit 2 located on the rightmost side in FIG. 1 to the delivery unit 3 located on the leftmost side, and performs offset printing and intaglio printing on the sheet 4 during transportation. It is a device. The offset printing is performed by the offset printing unit 5 adjacent to the feeder unit 2. The intaglio printing is performed by the intaglio printing unit 6 located between the offset printing unit 5 and the delivery unit 3.

The feeder unit 2 of the combination printing machine 1 includes a feeder pile 7 in which a large number of sheets 4 are stacked, a soccer 9 that sends the sheet 4 located at the top one by one to the sheet transport unit 8. The sheet transport unit 8 feeds the sheet 4 from the feeder unit 2 to the first transfer cylinder 11 of the offset printing unit 5. The first transfer cylinder 11 and the sheet transport cylinder provided in the combination printing machine 1 selectively grip the grip side end (the end on the downstream side in the transport direction), which is the tip of the sheet 4, respectively. It is equipped with a claw device (not shown). The seat 4 is handed over between the cylinders by the gripping claw device of each body performing an operation of changing the seats 4. Here, the transport path through which the sheet 4 is transported will be described.

The first transfer cylinder 11 is in contact with the upper impression cylinder 12 of the offset printing unit 5, which will be described later, in a state where the seat 4 can be replaced by the grip claw device. In the following, the state in which the torso is in contact with each other in this way is simply referred to as "in addition to being in contact with each other". The upper impression cylinder 12 is in contact with the lower impression cylinder 13 of the offset printing unit 5 so as to be replaceable. The lower impression cylinder 13 is in contact with the second transfer cylinder 14 so as to be replaceable. The second transfer cylinder 14 is in contact with the third transfer cylinder 15 as a dry cylinder so as to be replaceable. The effective surface that supports the seat 4 of the upper impression cylinder 12 and the effective surface that supports the seat 4 of the lower impression cylinder 13 are each formed of metal. As a result, since the sheet 4 receives the printing pressure from the upper rubber cylinder 36 or the lower rubber cylinder 51 described later in a state of being placed on the hard metal surface, sharp printing can be performed.

The third carrier 15 is in contact with the fourth barrel 16 so as to be replaceable. The fourth body 16 is in contact with the fifth body 17 so as to be replaceable. The fifth carrier 17 is in contact with the sixth carrier 18 so as to be replaceable. The sixth transfer cylinder 18 is in contact with the intaglio impression cylinder 21 of the intaglio printing unit 6 so as to be replaceable. The intaglio impression cylinder 21 is in contact with the delivery cylinder 22 of the delivery unit 3 so as to be replaceable.

The first transfer cylinder 11, the upper impression cylinder 12, the lower impression cylinder 13, the second to sixth transmission cylinders 14 to 18, the intaglio impression cylinder 21, and the delivery cylinder 22 are the main frames of the combination printing machine 1 (shown). It is rotatably supported by the drive device 23A (see FIG. 1) and rotates synchronously. In addition to these cylinders, the drive device 23A drives other cylinders provided in the combination printing machine 1 and a rotating body provided in the feeder unit 2 and the delivery unit 3. It is configured with a motor as the power source. A clutch 24 (see FIG. 1) is provided in the power transmission path between the fifth carrier 17 and the sixth carrier 18. By disengaging the clutch 24, the drive system is divided into an offset printing unit 5 side and an intaglio printing unit 6 side, and at that time, the drive device 23A drives the offset printing unit 5 side. Reference numeral 23B in FIG. 1 is a drive device that drives the intaglio printing unit 6 side when the clutch 24 is in the disengaged state.

Further, the first transfer cylinder 11, the upper impression cylinder 12, the lower impression cylinder 13, and the second to fourth transmission cylinders 14 to 16 are configured as a cylinder having a double diameter (hereinafter, simply referred to as a double cylinder). ing. The double body means a body having two sets of an effective surface on which the sheet 4 is supported and a gripping claw device, and capable of transporting two sheets 4. The fifth cylinder 17 and the sixth cylinder 18 are single-diameter cylinders that feed the sheets 4 one by one, and the intaglio impression cylinder 21 is a triple cylinder.

The delivery cylinder 22 is a sprocket around which a pair of delivery chains 25 are wound, and constitutes a part of a transport device 26 that sends the sheet 4 to the delivery unit 3. Although not shown, a plurality of claw rods are supported on the pair of delivery chains 25 at predetermined intervals. These claw rods are provided with a gripper that holds the grip side end of the sheet 4. Passing the sheet 4 from the intaglio impression cylinder 21 to the delivery cylinder 22 means that the sheet 4 is gripped by this gripper.

The delivery chain 25 is wound around a delivery cylinder 22 and a sprocket 27 paired with the delivery cylinder 22, and is driven by the delivery cylinder 22 and the sprocket 27 to rotate. The delivery unit 3 has first to third delivery piles 31 to 33 from which the sheet 4 is discharged. Of these first to third delivery piles, non-defective products are discharged to the third and second delivery piles 33 and 32 located close to the intaglio printing section 6, and the first delivery pile 31 is not. Good products are discharged.
Therefore, the sheet 4 is a transfer device of the delivery unit 3 via the first transfer cylinder 11 to the upper impression cylinder 12, the lower impression cylinder 13, the second to sixth transmission cylinders 14 to 18, and the intaglio impression cylinder 21. By being sent to 26, it is discharged from the feeder unit 2 to the delivery unit 3 via the offset printing unit 5 and the intaglio printing unit 6.

As shown in FIG. 2, the offset printing unit 5 includes an upper printing unit 34 having an upper impression cylinder 12 and a lower printing unit 35 having a lower impression cylinder 13.
The upper printing unit 34 has an upper rubber cylinder 36 facing the upper portion of the upper impression cylinder 12, and an upper ink supply unit 37 that supplies ink to the upper rubber cylinder 36.
Two sets of blankets (not shown) are attached to the outer peripheral portion of the upper rubber cylinder 36. Further, the upper rubber cylinder 36 transfers the ink supplied from the upper ink supply unit 37 to one surface of the sheet 4 sandwiched between the upper rubber cylinder 36 and the upper impression cylinder 12.

The upper ink supply unit 37 includes an upper first plate cylinder 41 and an upper second plate cylinder 42 facing the upper rubber cylinder 36, and an upper first ink device 43 and an upper first water supply unit connected to the upper first plate cylinder 41. The device 44 includes an upper second ink device 45 and an upper second water supply device 46 connected to the upper second plate cylinder 42.
The upper first ink device 43 and the upper second ink device 45 have two ink jars 43a, 43b, 45a, 45b in which ink is stored, respectively, and ink is uppered from these ink jars by rollers 43c, 45c. It is supplied to the first edition cylinder 41 and the upper second edition cylinder 42. The color of the ink supplied by the upper first ink device 43 is different from the color of the ink supplied by the upper second ink device 45.

The upper first ink device 43 and the upper second ink device 45 according to this embodiment form a part of the first inker 47 shown in FIG. The first inker 47 is movably supported by the upper frame 48 of the combination printing machine 1 and moves between the printing position shown by the solid line and the retracted position shown by the alternate long and short dash line in FIG. The print position is the position at the time of printing. The retracted position is a position when not in use when the plates (not shown) of the upper first plate cylinder 41 and the upper second plate cylinder 42 are replaced. The first inker 47 moves from the printing position to the delivery unit 3 side and is positioned at the retracted position. The movement path when the first inker 47 moves is provided above the second to sixth barrels 14 to 18.

The upper first water supply device 44 and the upper second water supply device 46 are for supplying dampening water to the upper first plate cylinder 41 and the upper second plate cylinder 42, and as shown in FIG. 2, the water boat 44a , 46a, the dampening water is supplied to the upper first plate cylinder 41 and the upper second plate cylinder 42 by a plurality of rollers 44b, 46b.
According to the upper ink supply unit 37, ink is supplied from the upper first and second ink devices 43 and 45 to the upper first and second plate cylinders 41 and 42 as shown in FIG. Although not shown in FIG. 4, dampening water is supplied from the upper first and second water supply devices 44 and 46 to the upper first and second plate cylinders 41 and 42.

The ink supplied to the upper first plate cylinder 41 and the upper second plate cylinder 42 is transferred to the upper rubber cylinder 36 as one two-color image. The image on the upper rubber cylinder 36 is transferred to one surface of the sheet 4 passing between the upper rubber cylinder 36 and the upper impression cylinder 12. In the following, the printing method in which ink is transferred from the plurality of plate cylinders to the rubber cylinder and the inks of the plurality of colors are simultaneously transferred from the rubber cylinder to the sheet 4 is referred to as "simultane printing". In the upper printing unit 34, two-color Simultan printing is applied to one side of the sheet 4.

As shown in FIG. 2, the upper dryer 49 faces the upstream side of the upper impression cylinder 12 in the sheet transport direction from the contact portion with the upper rubber cylinder 36. The upper dryer 49 is a device that cures or dries the ink, in other words, solidifies the ink. When ultraviolet curable ink is used in the upper ink supply unit 37, an upper dryer 49 that irradiates the sheet 4 with ultraviolet rays is used. When the upper ink supply unit 37 uses a type of ink that evaporates and solidifies the solvent, the upper dryer 49 is used to irradiate the sheet 4 with infrared rays to dry the ink.

Therefore, the ink transferred to the sheet 4 by the upper printing unit 34 is solidified by the upper dryer 49 while the sheet 4 is being conveyed by the upper impression cylinder 12. In this embodiment, the upper dryer 49 corresponds to the "first dryer" in the present invention. The upper dryer 49 is arranged at a position different from the position facing the upper impression cylinder 12, for example, at a position facing the outer peripheral surface of the second rotating cylinder 14, as shown by a two-dot chain line in FIG. be able to.

The lower printing unit 35 has a lower rubber cylinder 51 facing the lower portion of the lower impression cylinder 13 and a lower ink supply unit 52 that supplies ink to the lower rubber cylinder 51.
The lower rubber body 51 is fitted with four sets of blankets (not shown) around it. Ink is transferred from the lower ink supply unit 52, which will be described later, to the lower rubber cylinder 51 to generate an image. The image on the lower rubber cylinder 51 is transferred to the other surface of the sheet 4 sandwiched between the lower rubber cylinder 51 and the lower impression cylinder 13. In this embodiment, the lower rubber cylinder 51 is described as a quadruple cylinder in which four sets of blankets (not shown) are mounted around the lower rubber cylinder 51, but the present invention is not limited to this, and three sets of blankets (not shown) are provided around the lower rubber cylinder 51. It may be a triple body equipped with (not shown).

The lower ink supply unit 52 includes lower first to fourth plate cylinders 53 to 56 facing the lower rubber cylinder 51, lower first to fourth ink devices 57 to 60 connected to these plate cylinders, and lower first plate cylinders. It is provided with lower first to fourth water supply devices 61 to 64 connected to the first to fourth edition cylinders 53 to 56.
The lower first to fourth ink devices 57 to 60 have two ink jars 57a to 60a and 57b to 60b in which ink is stored, respectively, and ink is taken from these ink jars by rollers 57c to 60c. -Supply to the 4th edition cylinders 53-56. These lower first to fourth ink devices 57 to 60 supply inks of different colors to the lower first to fourth plate cylinders 53 to 56.

The lower first to fourth ink devices 57 to 60 according to this embodiment form a part of the second inker 65 shown in FIG. The second inker 65 is movably supported by the lower frame 66, and moves between the print position shown by the solid line in FIG. 1 and the retracted position shown by the alternate long and short dash line. The print position is the position at the time of printing. The retracted position is a position when not in use when the plates (not shown) of the lower 1st to 4th plate cylinders 53 to 56 are replaced.

The second inker 65 moves from the printing position to the feeder portion 2 side and is positioned at the retracted position. The moving path when the second inker 65 moves is provided below the seat transport unit 8 that transports the seat 4 between the feeder portion 2 and the first transfer cylinder 11.
The lower 1st to 4th water supply devices 61 to 64 are for supplying dampening water to the lower 1st to 4th edition cylinders 53 to 56, and as shown in FIG. 2, in the water boats 61a to 64a. The dampening water is supplied to the lower first to fourth edition cylinders 53 to 56 by the roller groups 61b to 64b.

According to the lower ink supply unit 52, as shown in FIG. 4, ink is supplied from the lower first to fourth ink devices 57 to 60 to the lower first to fourth plate cylinders 53 to 56. Although not shown in FIG. 4, dampening water is supplied from the lower first to fourth water supply devices 61 to 64 to the lower first to fourth plate cylinders 53 to 56. The ink supplied to the lower 1st to 4th plate cylinders 53 to 56 is transferred to the lower rubber cylinder 51 as one four-color image. The image on the lower rubber cylinder 51 is transferred to the other surface of the sheet 4 passing between the lower rubber cylinder 51 and the lower impression cylinder 13. Therefore, in the lower printing unit 35, four-color simultane printing is applied to the other surface of the sheet 4.

The sheet 4 printed by the lower printing unit 35 is sent from the lower impression cylinder 13 to the third transport cylinder 15 via the second transport cylinder 14. A lower dryer 67 is provided below the third transfer cylinder 15 as shown in FIG. The lower dryer 67 is equivalent to the upper dryer 49. That is, when ultraviolet curable ink is used in the lower ink supply unit 52, the lower dryer 67 is used to irradiate the sheet 4 with ultraviolet rays, and an ink of a type in which the solvent evaporates and solidifies is used. If this is the case, a sheet 4 that irradiates infrared rays is used. Therefore, the ink transferred to the sheet 4 by the lower printing unit 35 is solidified by the lower dryer 67 while the sheet 4 is being conveyed by the third transfer cylinder 15. In this embodiment, the lower dryer 67 corresponds to the "second dryer" in the present invention.

As shown in FIG. 3, the intaglio printing unit 6 includes a concave plate cylinder 21 having a function of conveying the sheet 4, a concave plate cylinder 71 facing the intaglio impression cylinder 21, and a wiping roller 72 facing the intaglio cylinder 71. The intaglio printing ink supply unit 73, which supplies ink to the intaglio cylinder 71, is provided.
The intaglio cylinder 71 has three sets of intaglio plates (not shown), and transfers the ink supplied from the ink supply unit 73, which will be described later, to the other surface of the sheet 4 passing between the intaglio cylinder 21 and the intaglio cylinder 21.
The wiping roller 72 is for removing excess ink on the intaglio.
The intaglio printing ink supply unit 73 includes a collect cylinder 74 facing the intaglio cylinder 71, first to fifth shabron cylinders 75 to 79 facing the collect cylinder 74, and these first to fifth shabron cylinders 75 to 75. The first to fifth ink devices 80 to 84 connected to the 79 are provided.
The first to fifth shabron cylinders 75 to 79 transfer the ink supplied from the first to fifth ink devices 80 to 84 to the collect cylinder 74.

The first to fifth ink devices 80 to 84 each have ink jars 80a to 84a in which ink is stored, and ink is supplied from these ink jars 80a to 84a by roller groups 80b to 84b. Supply to 75-79. Ink pots 80a to 84a of the first to fifth ink devices 80 to 84 store inks of different colors. Therefore, according to the intaglio printing unit 6, as shown in FIG. 4, five colors of ink are transferred from the first to fifth shabron cylinders 75 to 79 to the collect cylinder 74, and are transferred to the intaglio cylinder 71 as one image. Transferred. Then, this image is transferred from the intaglio cylinder 71 to the other surface of the sheet 4.

The first to fifth ink devices 80 to 84 of the intaglio printing unit 6 form a part of the third inker 85 shown in FIG. The third inker 85 is movably supported by the lower frame 66, and moves between the print position shown by the solid line in FIG. 1 and the retracted position shown by the alternate long and short dash line. The print position is the position at the time of printing. The retracted position is a position when the first to fifth shabron cylinders 75 to 79 and the collect cylinder 74 are not used for maintenance. The third inker 85 moves from the printing position to the delivery unit 3 side and is positioned at the retracted position. The movement path when the third inker 85 moves is provided below the delivery chain 25.

In the combination printing machine 1 configured in this way, two-color Simultan printing is performed on one surface of the sheet 4 by the upper printing unit 34 of the offset printing unit 5. The ink transferred to one surface of the sheet 4 by this simultane printing is solidified by the upper dryer 49. After that, the sheet 4 is fed to the lower printing unit 35 to be subjected to four-color simultane printing on the other surface. The sheet 4 is sent from the lower impression cylinder 13 to the third transfer cylinder 15 via the second transfer cylinder 14. The ink transferred to the other surface of the sheet 4 by the lower printing unit 35 is solidified by the lower dryer 67 when the sheet 4 is conveyed by the third transfer cylinder 15.

The sheet 4 is conveyed from the third cylinder 15 to the intaglio impression cylinder 21 via the fourth cylinder 16 to the sixth cylinder 18. Then, when the sheet 4 passes between the intaglio impression cylinder 21 and the intaglio cylinder 71, intaglio printing of five colors is applied to the other surface of the sheet 4. The sheet 4 after printing the intaglio is sent from the intaglio impression cylinder 21 to the upper part of the first to third delivery piles 31 to 33 by the transport device 26 of the delivery unit 3, and any of the first to third delivery piles 31 to 33 It is discharged into one.

The non-defective sheet 4 discharged to the first delivery pile 31 or the second delivery pile 32 is turned upside down after being taken out from the delivery unit 3. Then, the sheet 4 is reloaded into the feeder portion 2 of the combination printing machine 1, and the second printing is performed by the combination printing machine 1. By performing the second printing on the sheet 4, the upper printing unit 34 newly prints on the other side on which the lower printing unit 35 has been subjected to the four-color simultane printing in the first printing. Is printed with two colors of Simultan. Further, in the first printing, the upper printing section 34 has been subjected to two-color simultane printing, and in the second printing, the lower printing section 35 has newly applied four-color simultane printing to intaglio printing. Intaglio printing of 5 colors is applied in part 6. Therefore, six-color Simultan printing and five-color intaglio printing are performed on one side and the other side of the sheet 4, respectively.

In this combination printing machine 1, sharp multicolor (two-color) printing is performed by passing the sheet 4 between the upper impression cylinder 12 and the upper rubber cylinder 36 in the upper printing unit 34 of the offset printing unit 5. It is applied to one side at the same time. In the lower printing unit 35, the sheet 4 passes between the lower impression cylinder 13 and the lower rubber cylinder 51, so that sharp multicolor (four-color) printing is simultaneously applied to the other surface of the sheet 4. Since the sheet 4 on which the image is printed by the offset printing unit 5 is sent to the intaglio printing unit 6 in a state where the accuracy of the position in the feeding direction is maintained high by the second to sixth transfer cylinders 14 to 18. Offset printing and intaglio printing are performed accurately in one pass.

Since the upper printing section 34 and the lower printing section 35 of the offset printing section 5 are arranged in the vertical direction, the offset printing section 5 can be formed compactly in the horizontal direction. The positions where the upper first and second ink devices 43 and 45 of the upper printing unit 34 are retracted when not in use are above the second to sixth transfer cylinders 14 to 18 connecting the offset printing unit 5 and the intaglio printing unit 6. It is a dead space formed in. Further, the position where the lower first to fourth ink devices 57 to 60 of the lower printing unit 35 retract when not in use is a dead space below the sheet transport unit 8 that sends the sheet 4 from the feeder unit 2 to the offset printing unit 5. Is.
Therefore, according to this embodiment, it is possible to provide a compact combination printing machine capable of simultaneously performing sharp multicolor printing on the sheet 4 and performing offset printing and intaglio printing in one pass.

In this embodiment, the offset printing unit 5 to the intaglio printing unit are located between the fifth and sixth cylinders 17 used to connect the offset printing unit 5 and the intaglio printing unit 6. A clutch 24 for disconnecting and connecting the drive of the drive device 23A transmitted to the 6 is provided, and a drive device 23B for driving the intaglio printing unit 6 is provided. Therefore, the offset printing unit 5 and the intaglio printing unit 6 are disconnected from each other by the clutch 24, and the drive devices 23A and 23B are driven to perform individual maintenance on the offset printing unit 5 and the intaglio printing unit 6 at the same time. Therefore, it is possible to provide a combination printing machine that can shorten the maintenance time as much as possible and increase the productivity.

The combination printing machine 1 according to this embodiment has an upper dryer 49 (first dryer) that dries the ink printed by the upper printing unit 34 and a lower drying that dries the ink printed by the lower printing unit 35. It has a vessel 67 (second dryer).
Therefore, according to this embodiment, the sheet 4 can be sent to the intaglio printing unit 6 in a state where the ink is solidified, so that the print quality is improved.

The intaglio printing unit 6 according to this embodiment includes ink devices for five colors (first to fifth ink devices 80 to 84). Therefore, since intaglio printing of five colors can be performed, securities having an even higher anti-counterfeiting effect can be printed.

The upper ink supply unit 37 according to this embodiment includes an upper first plate cylinder 41 and an upper second plate cylinder 42 that are in contact with the upper rubber cylinder 36, respectively, and two ink devices that supply ink to these plate cylinders, respectively. Upper 1st and 2nd ink devices 43, 45) and 2 water supply devices (upper 1st and 2nd water supply devices 44, respectively) that supply dampening water to the upper 1st plate cylinder 41 and the upper 2nd plate cylinder 42, respectively. 46) and.
Therefore, the upper printing unit 34 can perform two-color simultane printing, and can provide a combination printing machine capable of performing a high degree of anti-counterfeiting.

(Second Embodiment)
The combination printing press 1 according to the present invention can be configured as shown in FIGS. 5 to 7. In FIGS. 5 to 7, the same or equivalent members as those described with reference to FIGS. 1 to 4 are designated by the same reference numerals, and detailed description thereof will be omitted as appropriate.
In the combination printing machine 100 shown in FIG. 5, only the upper ink supply unit 101 of the offset printing unit 5 is different from the combination printing machine 1 shown in the first embodiment, and other parts are the same. Therefore, only the upper ink supply unit 101 will be described here, and the description of other configurations will be omitted.

As shown in FIG. 6, the upper ink supply unit 101 according to this embodiment has an upper assembly plate cylinder 102 facing the upper part of the upper rubber cylinder 36 and an upper assembly rubber cylinder 102 facing the upper part of the upper assembly plate cylinder 102. 103, an upper first plate cylinder 104 and an upper second plate cylinder 105 facing the upper collective rubber cylinder 103, an upper first ink device 106 connected to the upper first plate cylinder 104, and an upper second plate cylinder. It is provided with an upper second ink device 107 connected to 105.

The upper first ink device 106 and the upper second ink device 107 have two ink jars 106a, 107a, 106b, 107b in which ink is stored, and ink is taken from these ink jars by rollers 106c, 107c. It is supplied to the 1st plate cylinder 104 and the upper 2nd plate cylinder 105. The color of the ink supplied by the upper first ink device 106 is different from the color of the ink supplied by the upper second ink device 107.

The upper first ink device 106 and the upper second ink device 107 according to this embodiment form a part of the first inker 110 shown in FIG. The first inker 110 is movably supported by the upper frame, and moves between the print position shown by the solid line in FIG. 1 and the retracted position shown by the alternate long and short dash line. The print position is the position at the time of printing. The evacuation position is when not in use when performing maintenance on the upper assembly rubber cylinder 103 and the upper assembly plate cylinder 102, or when replacing the plates (not shown) of the upper first plate cylinder 104 and the upper second plate cylinder 105. The position. The first inker 47 moves from the printing position to the delivery unit 3 side and is positioned at the retracted position. The movement path when the first inker 47 moves is provided above the second to sixth barrels 14 to 18.

According to the upper ink supply unit 37 according to this embodiment, ink is supplied from the upper first and second ink devices 106 and 107 to the upper first and second plate cylinders 104 and 105 as shown in FIG. Then, the ink supplied to the upper first plate cylinder 104 and the upper second plate cylinder 105 is transferred to the upper collective rubber cylinder 103 as one two-color image. The image on the upper assembly rubber cylinder 103 is transferred to the upper rubber cylinder 36 via the upper assembly plate cylinder 102, and is transferred to one surface of the sheet 4 passing between the upper rubber cylinder 36 and the upper impression cylinder 12. Ru. Therefore, according to this embodiment, two-color Zammel printing is applied to one side of the sheet 4.

Therefore, according to this embodiment, Zammel printing is performed by the upper printing unit 34, and it is possible to provide a combination printing machine having a great effect of preventing forgery.

1,100 ... Combination printing machine, 2 ... Feeder section, 3 ... Delivery section, 4 ... Sheet, 5 ... Offset printing section, 6 ... Recessed plate printing section, 11 ... First transfer cylinder, 12 ... Upper impression cylinder, 13 ... Lower Ink cylinder, 14-18 ... 2nd to 6th transfer cylinder, 21 ... Concave plate impression cylinder, 23 ... Drive device, 24 ... Clutch, 34 ... Upper printing part, 35 ... Lower printing part, 36 ... Upper rubber cylinder, 37, 101 ... Upper ink supply unit, 41, 104 ... Upper first plate cylinder, 42, 105 ... Upper second plate cylinder, 43, 106 ... Upper first ink device, 44 ... Upper first water supply device, 45, 107 ... Upper 2nd ink device, 46 ... upper 2nd water supply device, 49 ... upper dryer (1st dryer), 53 ... lower 1st edition cylinder, 54 ... lower 2nd edition cylinder, 55 ... lower 3rd edition cylinder, 56 ... Lower 4th plate cylinder, 57 ... Lower 1st ink device, 58 ... Lower 2nd ink device, 59 ... Lower 3rd ink device, 60 ... Lower 4th ink device, 67 ... Lower dryer (2nd drying) Vessel), 71 ... Concave plate cylinder, 73 ... Ink supply unit for concave plate printing, 75 ... 1st chabron cylinder, 76 ... 2nd shabron cylinder, 77 ... 3rd shabron cylinder, 78 ... 4th shabron cylinder, 79 ... 5th shabron Body, 80 ... 1st ink device, 81 ... 2nd ink device, 82 ... 3rd ink device, 83 ... 4th ink device, 84 ... 5th ink device, 102 ... upper assembly plate cylinder, 103 ... upper assembly rubber cylinder ..

Claims (6)

The sheet is ejected from the feeder section through the offset printing section and the intaglio printing section to the delivery section, and the ejected non- defective sheet is inverted and reprinted to perform multicolor offset printing and intaglio printing on both sides. a combination printing press,
The offset printing unit is
An upper printing unit having one transfer cylinder and an upper impression cylinder for transporting a sheet sent from the feeder unit, and an upper printing unit.
A lower printing unit having a lower impression cylinder that receives and conveys a sheet from the upper impression cylinder is provided.
The upper printing part is
An upper ink supply unit that includes two ink devices and two plate cylinders,
It has an upper rubber cylinder that is in contact with the upper part of the upper impression cylinder and transfers an image transferred from the upper ink supply unit to a sheet sandwiched between the upper impression cylinder.
The lower printing part is
A lower ink supply unit that includes four or more ink devices and multiple plate cylinders,
It has a lower rubber cylinder that is in contact with the lower part of the lower impression cylinder and transfers an image transferred from the lower ink supply unit to a sheet sandwiched between the lower impression cylinder and the lower impression cylinder.
The ink device of the upper ink supply unit and the ink device of the lower ink supply unit are configured to be movable between a printing position, which is a printing position, and a retracting position, which is a position when not in use.
The ink device of the upper ink supply unit is positioned at the retracted position by moving from the printing position to the delivery unit side.
The ink device of the lower ink supply unit moves from the printing position to the feeder portion side and is positioned at the retracted position.
The intaglio printing unit
An intaglio impression cylinder to which a sheet is fed from the offset printing unit by a transfer cylinder,
An intaglio printing ink supply unit that includes multiple ink devices and multiple shabron cylinders,
It has an intaglio cylinder that is in contact with the intaglio impression cylinder and transfers an image transferred from the intaglio printing ink supply unit to a sheet sandwiched between the intaglio impression cylinder .
The transfer cylinder and the upper impression cylinder of the upper printing portion are arranged in the horizontal direction.
The upper impression cylinder and the lower impression cylinder are arranged in the vertical direction so as to be perpendicular to the horizontal direction.
The transfer cylinder, the upper impression cylinder, and the lower impression cylinder of the upper printing portion are arranged so as to overlap the lower rubber cylinder in the vertical direction.
A combination printing machine characterized in that the lower rubber cylinder and the intaglio cylinder are arranged below the sheet transport path . In the combination printing machine according to claim 1.
A combination printing machine characterized in that the transfer cylinder is connected to a drive device for driving the offset printing unit and the intaglio printing unit via a clutch. In the combination printing machine according to claim 1 or 2.
further,
A first dryer that dries the ink printed by the upper printing unit, and
A combination printing machine characterized by having a second dryer for drying the ink printed in the lower printing unit. In the combination printing machine according to any one of claims 1 to 3.
The intaglio printing unit is a combination printing machine including the ink devices for five colors. In the combination printing machine according to any one of claims 1 to 4.
The upper ink supply unit
The upper 1st edition cylinder and the upper 2nd edition cylinder, which are in contact with the upper rubber cylinder, respectively,
The two ink devices that supply ink to the upper first plate cylinder and the upper second plate cylinder, respectively.
A combination printing machine characterized by having two water supply devices for supplying dampening water to the upper first plate cylinder and the upper second plate cylinder, respectively. In the combination printing machine according to any one of claims 1 to 4.
The upper ink supply unit
The upper assembly plate body that faces the upper rubber body and
The upper assembly rubber cylinder facing the upper assembly plate cylinder and
The upper 1st edition cylinder and the upper 2nd edition cylinder, which are in contact with the upper assembly rubber cylinder, respectively,
A combination printing machine characterized by having two ink devices for supplying ink to the upper first plate cylinder and the upper second plate cylinder, respectively.

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