JPH05338109A - Printing device - Google Patents

Abstract

PURPOSE:To provide a printing device whose entire lateral stretch can be shortened to narrow an installation space. CONSTITUTION:An application roller 3 for applying ink to a printing plate 1 installed on the lower surface of a printing plate installation mount 2, shuttling back and forth on the lower side of a vertically movable printing plate installation mount 2, is provided. An ink is applied to the printing plate 1 installed on the lower surface of the mount 2 using the roller 3. The mount 2 is lowered to print data on printed matter deposited on a receiver table 4. Thus, only moving the printing plate installation mount 2 vertically allows printing without movement of the printed matter during printing process. In addition, ink can be applied to the printing plate 1 by moving the roller 3 in such a state that the mount 2 with the plate 1 installed on the lower surface is lifted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing apparatus for printing on an object to be printed such as corrugated board.

[0002]

2. Description of the Related Art Conventionally, an object to be printed 53 such as a cardboard
When printing on, for example, as shown in FIG. 7, the print transfer roller 51 is used to convey an object 53 to be printed below the print transfer roller 51 by a conveyer 52 such as a conveyer roller as indicated by an arrow. The target printing is performed on the printing object 53.

[0003]

However, in the above-mentioned conventional example, since the printing material 53 is printed by moving it below the printing transfer roller 51 as indicated by an arrow, at least the printing material 53 is printed. There is a problem in that a conveying means having a length that is at least twice the length is required, and as a result, the lateral dimension of the entire apparatus, that is, the dimension A in FIG. 6, becomes long and a wide installation place is required.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a printing apparatus in which the lateral length of the entire apparatus can be shortened and the installation space can be narrowed. It is in.

[0005]

The printing apparatus of the present invention comprises a plate mounting plate 2 which is vertically movable for mounting a plate 1 on the lower surface.
And a mounting table 4 which is located below the plate mounting plate 2 for mounting a printing object, and reciprocates on the lower surface side of the plate mounting plate 2 to apply ink to the plate 1 mounted on the lower surface of the plate mounting plate 2. It is characterized in that it is configured with a coating roller 3 for carrying out the above. By adopting such a configuration, the problems of the conventional example described above are solved and the object of the present invention is achieved. It is a thing.

[0006]

According to the present invention having the above-described structure, the plate mounting plate 2 which is vertically movable, the mounting table 4 located below the plate mounting plate 2, and the lower surface side of the plate mounting plate 2 are reciprocally moved. It is composed of an application roller 3 for applying ink to the plate 1 attached to the lower surface of the plate mounting plate 2, so that the application roller 3 applies ink to the plate 1 attached to the lower surface of the plate mounting plate 2. Then, the plate mounting plate 2 is lowered and printing is performed on the printing object placed on the mounting table 4. For printing, it is sufficient to move the printing plate mounting plate 2 up and down without moving the printing object. The ink can also be applied to 1 by moving the application roller 3 with the plate mounting plate 2 having the plate 1 attached to the lower surface in a raised state, and as a result, in the lateral direction of the entire printing apparatus. The width can be made narrower than before.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the accompanying drawings. As shown in FIG. 2, the lower portions of the side frame bodies 5 are fixed to both sides of the bottom frame 60.
As shown in FIG. 1, a substantially central portion is cut laterally to form a side opening 6. An upper fixed base 7 is erected and fixed between the both side frame bodies 5 at a position slightly above the side opening 6 of the side frame body 5, and a plate mounting plate cylinder 8 is attached to the upper fixed base 7. Yes, the rod 8a of the plate mounting cylinder 8 projects downward from the upper fixed base 7, and the plate mounting plate 2 is mounted at the lower end of this rod 8a. The plate mounting plate cylinder 8 moves the plate mounting plate 2 up and down. It is designed to move. Guide rods 9 are provided at the four corners of the plate mounting plate 2 so as to project upward. The guide rods 9 are provided on the upper fixed base 7.
The guide rod 9 is connected to the upper end of the guide rod 9 by a connecting member 11. A plate 1 such as a relief plate is removably attached to the lower surface of the plate mounting plate 2, and any mounting means can be used for mounting the plate 1 on the lower surface of the plate mounting plate 2. It is not limited.

Below the plate mounting plate 2, there is provided a mounting table 4 for mounting an object to be printed such as a corrugated board. Table 4
Is movable up and down in the embodiment shown in the accompanying drawings. That is, in the embodiment shown in FIGS. 1 and 2, the lower fixed base 41 is provided between the lower portions of the side frame bodies 5 on both sides, and the lower fixed base 41 is provided with the female screw portion on the inner peripheral surface thereof. 42 is rotatably attached and has a screw cylinder 4
A screw rod 43 is screwed into the female screw portion of
The upper end of the is attached to the mounting table 4 so as to be rotatable. Then, the power of the motor 44 is transmitted via the chain 45 to the gear 60.
And the gear 61 fixed to the screw cylinder 42 from the gear 60.
The screw cylinder 42 is thereby rotated, and the screw rod 42 is rotated to move the screw rod 43 up and down to move the mounting table 4 up and down.

A side opening 6 is formed on the outer surface of the both-side frame body 5.
A fixed guide 12 is attached along the upper edge of the fixed guide 12, and one end of a movable guide 13 is attached to an outer position on one end side of the fixed guide 12 so as to be rotatable around a shaft 14. Is rotatable by a movable guide cylinder 15. An upper portion of a vertically long rotating frame 17 is rotatably supported by a shaft 16 on the upper portions of the outer surface portions of the both side frame bodies 5, respectively. Any rotating means can be used to rotate the rotating frame 17, but in the embodiment shown in the figure, it is rotatable by a crank mechanism. That is, as shown in FIG. 1, one end of the crank bar 22 is rotatably supported by the rotating frame 17, and the other end of the crank bar 22 is connected to the gear 23.
At a position eccentric from the center of the crank bar 24, the crank pin 24 makes it rotatable, and the rotation of the motor 25 is transmitted to the gear 23 via the gear 26.
The rotary frame 17 is reciprocally pivoted about the shaft 16 via the shaft 2 so as to perform a pendulum motion. Rotating frame 17
Two guide rods 18 are vertically movably attached to the shaft (that is, the guide rods 18 are movably inserted in the insertion holes formed in the rotary frame 17). The coating roller 3 is rotatably attached. A first guide roller 19 and a second guide roller 20 are provided on both sides of the shaft 3a of the two coating rollers 3, respectively. The guide rod 18 is biased upward by a spring 21 (in FIG. 1, the spring 21 is not shown for convenience of drawing, but the spring 21 is actually present). When the movable frame 17 rotates, the first guide roller 19 rotates elastically along the lower surface of the fixed guide 12, and the second guide roller 20 rotates the movable frame 17. When moving to a position corresponding to the lower surface of the movable guide 13, the movable guide 1
It is designed to make elastic contact with the lower surface of 3. Then, when the first guide roller 19 comes to the position where the fixed guide 12 comes into elastic contact, the second guide roller 20 separates from the movable guide 13, and conversely, when the second guide roller 20 comes to the position where it comes into elastic contact with the movable guide 13, The 1 guide roller 19 is separated from the fixed guide 12.

A roller group is provided between the both side frame bodies 5, and the roller group is constituted by alternately arranging iron rolls and rubber rolls. In the embodiment shown in FIG. 1, the first iron roll 27 is used. , The first rubber roll 28, the second iron roll 2
9, the second rubber roll 30, and the third iron roll 31. Here, the first iron roll 27, the second iron roll 2
9, the third iron roll 31 is a drive roller, and the first rubber roll 28 and the second rubber roll 30 are free rollers.
Then, the ink is applied to the first iron roll 27 by a method such as spraying, the ink is transferred to the first rubber roll 28, further transferred to the second iron roll 29, and further, the second rubber roll 3
It is adapted to be transferred to 0 and then to the ferric iron roll 31. The first iron roll 27 and the second iron roll 29 are designed to move in the axial direction, and the axial movement is such that the first iron roll 27 and the second iron roll 29 move in mutually opposite directions. Is set so that the ink is uniformly spread in the axial direction. In FIG. 2, the center of the L-shaped lever 32 is rotatably supported by a shaft, and one end of the L-shaped lever 32 is connected to the crank arm 33.
Of the L-shaped lever 32, and the push roller 34 at the other end of the L-shaped lever 32 is fitted into the push roller fitting portion 35 provided on the shaft of the ferric iron roll 29.
Rollers 39 at both ends of an interlocking arm 38 having a central portion axially supported by a shaft 37 on the side frame body 5 side are fitted into fitting portions 36 provided on the iron rolls 27, respectively.
On the other hand, the other end of the crank arm 33 is pivotally supported at a position eccentric from the axis of the rotary plate 41 provided on the output shaft side of the motor 40, and the crank arm 3 is driven by the motor 40.
3, the second iron roll 29 is axially moved via the L-shaped lever 32, and further, the first iron roll 27 is axially moved to the opposite side to the second iron roll 29 via the interlocking arm 38. It is like this.

By the way, when the plate 1 is attached to the lower surface of the plate mounting plate 2 and the rotating frame 17 is rotated while the plate mounting plate 2 is raised, the second guide roller 20 is moved to the movable guide 13 as described above. The first guide roller 19 is located at a position where it makes elastic contact with the lower surface of the fixed guide 12 from the position where it elastically contacts, and at the same time, the two coating rollers 3 roll while being in elastic contact with the lower surface of the plate 1 mounted on the lower surface of the plate mounting plate 2. Meanwhile, the lower surface of the plate 1 is moved. Then, when the rotating frame 17 reciprocates and the first guide roller 19 again separates from the lower surface of the fixed guide 12 and the second guide roller 20 comes to a position where it elastically contacts the lower surface of the movable guide 13, the movable guide The cylinder 15 is driven to rotate the movable guide 13 as shown in FIG. In this state, as shown in FIG. 3, the lower surface of the movable guide 13 is located slightly below the ferric iron roll 31. Therefore, the rotating frame 17 reciprocates, the first guide roller 19 is again separated from the lower surface of the fixed guide 12, and the second guide roller 20 is moved by the movable guide 1.
The second guide roller 20 does not collide with the ferric iron roll 31 when it comes to a position where it comes into elastic contact with the lower surface of the ferrule 3, and as shown in FIG. Each one of the application rollers 3 is positioned. In this state, the movable guide cylinder 15 is driven to rotate the movable guide 13 as shown in FIG. 4, which causes the two application rollers 3 to move about the center of the ferric iron roll 31 by the spring force of the spring 21. It makes elastic contact with both sides of a vertical line. Then, as the ferric iron roll 31 rotates, the ink on the outer surface of the ferric iron roll 31 is applied to the outer surfaces of the two applying rollers 3. Coating roller 3
When the ink is applied to the movable guide cylinder 15, the movable guide cylinder 15 is driven to move the movable guide 13 as shown in FIG.
The coating roller 3 is located below the ferric roll 31.
In this state, the rotating frame 17 is rotated to move the second guide roller 2
0 moves from the state in which the lower surface of the movable guide 13 is elastically contacted to the lower surface of the fixed guide 12 to the state in which the first guide roller 19 elastically contacts the lower surface of the fixed guide 12, and at the same time, the coating roller 3 is applied to the lower surface of the plate 1 mounted on the lower surface of the plate mounting plate 2. Version 1 while rolling in contact
Ink is applied to the lower surface of the. When the rotating frame 17 reciprocates to complete the application of ink to the plate 1,
The rotating frame 17 has the second guide roller 20 again movable guide 1
It is located at a position that makes elastic contact with the lower surface of 3 and
One coating roller 3 is located in the state of FIG. 4 through the state of FIG. On the other hand, when ink is applied to the lower surface of the plate 1, the plate mounting plate 2 is lowered and printing is performed on the printing object placed on the mounting table 4. In this case, in printing, it is only necessary to move the plate mounting plate 2 up and down without moving the material to be printed. Further, the ink is applied to the plate 1 by raising the plate mounting plate 2 having the plate 1 mounted on its lower surface. Ink application can be performed by moving the application roller 3 in this state. Therefore, according to the present invention, the width of the entire printing apparatus in the horizontal direction can be made narrower than the conventional one.

By the way, in the present invention, the side frame body 5 has a side portion opening 6 which is formed by cutting the substantially central portion from the lateral direction as described above. Then, a lower front cover 46 and an upper front cover 47 are attached between the upper part and the lower part of the front end of the side frame body 5, respectively, and a lower rear cover 48 is mounted between the upper part and the lower part of the rear end part of the side frame body 5, respectively. And an upper rear cover 49 are attached, a front opening 50 is provided between the lower front cover 46 and the upper front cover 47, and a rear opening is provided between the lower rear cover 48 and the upper rear cover 49. It is part 51. Therefore, in the apparatus of the present invention, as shown in FIGS. 5 and 6, the front opening 50 and the rear opening 51 face each other in the front-rear direction, and the side frame in the left-right direction at the substantially central portion in the vertical direction. The side openings 6 at the center of the body 5 are opposed to each other. For this reason, it is possible to freely place the printing target on the mounting table 4 and take out the printing target after printing is completed in either the arrow A direction or the B direction in FIG.

[0013]

As described above, according to the present invention, a vertically movable plate mounting plate for mounting a plate on the lower surface, and a mounting table for mounting a printing object below the plate mounting plate And a coating roller for reciprocating the lower surface of the plate mounting plate to apply ink to the plate mounted on the lower surface of the plate mounting plate, so that the plate can be mounted without moving the printing object during printing. It is only necessary to move the plate up and down, and ink can be applied to the plate by moving the coating roller while the plate mounting plate with the plate mounted on the lower surface is raised. As a result, the width of the entire printing device in the horizontal direction can be made narrower than in the conventional case, and there is an advantage that the installation space can be narrowed.

[Brief description of drawings]

FIG. 1 is a side view of the present invention.

FIG. 2 is a front sectional view of the above.

FIG. 3 is a drawing showing a relationship among a fixed guide, a movable guide, a coating roll, and a ferric iron roll in a state where the movable guide is lowered, in which (a) is a side view and (b) is a front sectional view. It is a figure.

FIG. 4 is a drawing showing a relationship among a fixed guide, a movable guide, a coating roll, and a ferric iron roll in a state where the movable guide is lifted, in which (a) is a side view and (b) is a front sectional view. It is a figure.

FIG. 5 is a perspective view showing the same as above.

FIG. 6 is a rear view of the above.

FIG. 7 is a schematic explanatory diagram of a conventional example.

[Explanation of symbols]

 1 plate 2 plate mounting plate 3 coating roller 4 mounting table

Claims (1)

[Claims] 1. A vertically movable plate mounting plate for mounting a plate on a lower surface, a mounting table located below the plate mounting plate for mounting an object to be printed, and reciprocatingly moving on a lower surface side of the plate mounting plate. And a coating roller for coating the plate mounted on the lower surface of the plate mounting plate with ink.