JP2565434B2 - Ink automatic coating device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic ink coating device incorporated in a device for authenticating / imprinting an arbitrary position on a paper such as a receipt.

[0002]

2. Description of the Related Art As an apparatus for performing authentication / imprinting on an arbitrary position on a sheet such as a receipt, for example, a drum having a printing plate is supplied with ink and a predetermined sheet is sandwiched between the drum and a platen. There was a thing.

As a means for supplying ink to a drum having a printing plate, conventionally, an ink roller impregnated with ink is directly contacted with the printing plate of the drum to attach the ink to the printing plate of the drum. The means to make it were adopted.

In addition to the above, a means has been employed in which an ink container is installed at a predetermined position with the ink application section facing downward and ink is attached to a printing plate of a drum via an intermediate roller such as a transfer roller or an ink roller. .

[0005]

However, according to the means for bringing the ink roller, which is impregnated with the ink itself into contact with the printing plate of the drum, the ink impregnated in the ink roller disappears in a short time. The ink roller had to be replaced often.

Further, it takes a lot of time and labor to replace the ink roller, so that it is impossible to efficiently carry out the authentication / imprinting operation on a predetermined sheet.

On the other hand, according to the means for placing the ink container at a predetermined position with the ink application portion facing downward and adhering the ink to the printing plate of the drum through the intermediate roller such as the transfer roller and the ink roller, Since the ink application section is always facing downward, it was easy for more ink than necessary to flow out from the ink application section.

As a result, more ink than necessary adheres to the printing plate of the drum, so that when a predetermined sheet of paper is sandwiched between the drum and the platen roller, the printing plate of the drum cannot clearly authenticate or stamp the sheet. Was occurring.

Therefore, in order to solve the above-mentioned drawbacks, the present invention is built in a device for authenticating / imprinting an arbitrary position on a sheet such as a receipt, and ink replenishment work is extremely simple, It can be used for a long time when ink is replenished, and ink is supplied to a predetermined roller only when it is necessary, otherwise, the ink application part of the ink container faces upward and is necessary for the roller. It is an object of the invention to provide an automatic ink application device that does not supply the above ink.

[0010]

In order to achieve the above-mentioned object, the present invention is provided with an ink container holding mechanism in which an ink container is rotatably provided and a slide means, and the ink container holding mechanism is provided. A support mechanism for slidably supporting in the horizontal direction via a support shaft and a solenoid are provided to move the ink container holding mechanism in the vertical direction, and a predetermined ink application portion of the ink container held by the ink container holding mechanism is provided. And a pressing mechanism that presses the roller to apply ink to the roller.

The support mechanism is composed of a support shaft for slidably supporting the ink container holding mechanism, and an arm provided with a rotating rack having a tooth portion at its tip and installed and fixed in parallel with the support shaft. The sliding means was constructed by attaching a moving belt to the ink container holding mechanism.

Further, the ink container holding mechanism holds the ink container and the slide base body slidably supported by the support shaft of the support mechanism, and has a rack engaging gear and is rotatably attached to the slide base body. When the slide base is slid, the teeth of the rotating rack of the arm and the rack meshing gear of the rotating body are meshed with each other so that the rotating body holding the ink container can be rotated 180 degrees. did.

[0013]

According to the present invention, after the ink container held in the ink container holding mechanism is replenished with ink by the above-mentioned technical means, the ink container holding mechanism is slid horizontally through the support shaft. Set so that the ink application part of the ink container comes to a predetermined position on the roller.

Then, the pressing mechanism moves the ink container holding mechanism in the vertical direction to press the ink application portion of the ink container against a predetermined roller to apply the ink to the roller.

On the other hand, when it is not necessary to supply the ink, the ink container holding mechanism is slid in the horizontal direction, the teeth of the rack for rotation of the arm are meshed with the gears for rack engagement of the rotor, and the ink container is held. 18 holding the rotating body
Rotate it by 0 degree so that the ink application part of the ink container faces upward.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

The automatic ink applying apparatus according to the present invention is shown in FIG.
As shown in FIG. 3, a support that includes an ink container holding mechanism A in which the ink container 1 is rotatably provided and a slide unit, and supports the ink container holding mechanism A in a horizontally slidable manner via a support shaft 2. The mechanism A and the solenoid 3 are provided to move the ink container holding mechanism A in the vertical direction, and the ink applying portion 4 of the ink container 1 held by the ink container holding mechanism A is pressed against the transfer roller 5 to cause the roller. 5
And a pressing mechanism C for applying ink to the.

The transfer roller 5 coated with ink supplies the ink to the printing plate 8 surface of the drum 7 via the ink roller 6, as shown in FIG. When a predetermined sheet is conveyed, the sheet is sandwiched between the drum 7 and the platen, and the surface of the printing plate 8 of the drum 7 is pressed against the sheet to perform the required authentication / imprinting. The transfer roller 5 and the ink roller 6 that supply ink to the surface of the printing plate 8 of the drum 7 are of a cassette type and can be easily removed, as shown in FIG.

As shown in FIGS. 1 and 2, the support mechanism B has a support shaft 2 for slidably supporting the ink container holding mechanism A, and a rotation rack 13 having a tooth portion 12 at its tip.
Arm 1 installed and fixed in parallel with the support shaft 2
It consists of 4 and. The support mechanism B shown in FIG. 2 includes a support shaft 2 and an arm 1 via a base frame 17 installed in the authentication / imprinting device.
4 is fixed.

Further, the slide means of the support mechanism B is such that a moving belt is attached to the ink container holding mechanism A and the ink container holding mechanism A is slid horizontally by the rotational movement of this belt (not shown). .

As shown in FIGS. 1 and 2, the ink container holding mechanism A supported by the support mechanism B includes a slide base 9 slidably supported by a support shaft 2 of the support mechanism B, and an ink container. 1 and a rotating body 11 that holds a rack engaging gear 10 and is rotatably attached to a slide base body 9.

As shown in FIG. 2, the slide base 9 is provided with a support hole 26 at the base end thereof to support the support shaft 2 of the support mechanism B.
Is designed to be inserted. In addition, in the substantially central portion of the slide base body 9, a locking hole 15 is formed which is slightly long in the vertical direction.
Is provided. The base frame 17 fixing the support shaft 2 and the arm 14 is provided with a locking projection 16 through some means. The locking protrusion 16 is located in the locking hole 15 of the slide base body 9. Therefore, the slide base body 9 moves up and down by the length of the locking hole 15 with which the locking projection 16 abuts, with the support shaft 2 as a fulcrum.

The rotating body 11 is rotatably supported by a rod body 18 provided at the tip of the slide base body 9. Then, as shown in FIG. 2, the slide base 9 of the rotating body 11
A rack meshing gear 10 is attached to one side surface closer to the side. Therefore, when the slide base 9 is slid through the support shaft 2, the rack meshing gear 10 meshes with the teeth 12 of the rotation rack 13 fixed to the arm 14, and the rotating body 11 rotates 180 degrees.

Ink container 1 held by the ink container holding mechanism A by moving the ink container holding mechanism A in the vertical direction.
As shown in FIG. 3, the pressing mechanism C that presses the ink applying portion 4 of the above to the transfer roller 5 to apply the ink to the roller 5 has a moving hole 1 formed near the tip of the slide base body 9.
It is composed of a moving shaft 20 inserted through the shaft 9 and a solenoid 3 for moving the moving shaft 20 in the vertical direction. Solenoid 3
Is a so-called cylindrical coil in which a wire is wound in a tubular shape,
A predetermined plate piece 21 is moved up and down by using magnetism. As shown in FIG. 3, the plate piece 21 is connected to the moving shaft 20 via joining plate pieces 22 and 23. Both joint plate pieces 22, 23
Are connected by the connecting rod 25 as shown in FIG. In the figure, reference numeral 24 is a spring for lifting the connecting rod 25 upward.

The use of the present invention will now be described.

First, ink is replenished in the ink container 1 held by the ink container holding mechanism A, and then the ink container holding mechanism A is slid horizontally via the support shaft 2 to apply ink to the ink container 1. The part 4 is set so as to come to a predetermined position on the transfer roller 5.

Then, the ink container holding mechanism A is moved downward by the pressing mechanism C, and the ink applying section 4 of the ink container 1 is pressed against the transfer roller 5 to apply ink to the roller 5. This ink is supplied to the printing plate 8 surface of the drum 7 via the ink roller 6. In this state, the paper is sandwiched between the drum 7 and the platen, and the printing plate 8 surface of the drum 7 is pressed against the paper to perform the necessary authentication and imprinting. At this time, if the printing plate 8 of the drum 7 is formed by using a hard material, it is possible to imprint a predetermined sheet as an official mark.

On the other hand, when it is not necessary to supply ink to the surface of the printing plate 8 of the drum 7, the ink container holding mechanism A is slid in the horizontal direction, and the tooth portion 12 of the rotating rack 13 of the arm 14 and the rotating body 11 are slid. The rotating body 11 holding the ink container 1 is rotated 180 degrees by meshing with the rack meshing gear 10 so that the ink applying portion 4 of the ink container 1 faces upward.

[0029]

As described above, the present invention achieves the original object by virtue of the above configuration.

That is, according to the present invention, the ink container holding mechanism A in which the ink container 1 is rotatably provided and the slide means are provided, and the ink container holding mechanism A is slidable in the horizontal direction via the support shaft 2. And a solenoid 3 to move the ink container holding mechanism A in the vertical direction so that the ink applying section 4 of the ink container 1 held by the ink container holding mechanism A is moved to a predetermined roller 5. Since it is composed of a pressing mechanism C that presses and applies ink to the roller 5, the solenoid 3 of the pressing mechanism C only when necessary.
Can be operated to supply ink to the surface of the printing plate 8 of the drum 7.

Therefore, more ink than necessary does not adhere to the surface of the printing plate 8 of the drum 7, and it is possible to extremely neatly certify and imprint on a predetermined sheet sandwiched between the platen and the platen.

Further, since the solenoid 3 of the pressing mechanism C is operated only when necessary to supply the ink to the surface of the printing plate 8 of the drum 7, when the ink is once replenished in the ink container 1, the ink container 1 is left for a long time. You can continue the certification / imprinting work.

Therefore, the replenishment of ink does not require manpower, and the authentication / imprinting work can be efficiently completed even with a plurality of sheets.

Further, the support mechanism B has a support shaft 2 for slidably supporting the ink container holding mechanism A and a tooth portion 1 at the tip.
2 is provided with a rotating rack 13 and is provided with an arm 14 installed and fixed in parallel with the support shaft 2, and the slide means is configured by attaching a moving belt to the ink container holding mechanism A. The ink can be supplied to the surface of the printing plate 8 of the drum 7 by smoothly sliding the ink container holding mechanism A via 2.

In addition, the ink container holding mechanism A has a slide base 9 slidably supported by the support shaft 2 of the support mechanism B, the ink container 1, and a rack meshing gear 10. The rotating body 11 is rotatably attached to the slide base body 9. When the slide base body 9 is slid, the tooth portion 12 of the rotating rack 13 of the arm 14 and the rack engaging gear 10 of the rotating body 11 are engaged with each other. Since the rotator that holds the ink container 1 can rotate 180 degrees, the ink application unit 4 of the ink container 1 is directed upward when it is not necessary to supply ink to the surface of the printing plate 8 of the drum 7. be able to.

Therefore, more ink than necessary is not supplied to the surface of the printing plate 8 of the drum 7, and a predetermined amount of ink can be effectively used to efficiently authenticate and imprint a plurality of sheets.

Further, since more ink than necessary does not adhere to the surface of the printing plate 8 of the drum 7, it is possible to extremely neatly certify and imprint on a predetermined sheet sandwiched by the platen.

Further, since the tooth portion 12 of the rotating rack 13 of the arm 14 and the rack engaging gear 10 of the rotating body 11 are meshed with each other, the rotating body holding the ink container 1 is smoothly moved to 1
The ink application part 4 of the ink container 1 can be turned upward by rotating the ink container 1 by 80 degrees.

In addition, according to the present invention, the ink container holding mechanism A for holding the ink container 1, the support mechanism B for slidably supporting the ink container holding mechanism A, and the solenoid 3 are provided. It is composed of a pressing mechanism C for moving ink up and down to apply ink to a predetermined roller 5, and its configuration is extremely simple, so that it is preferable for mass production and various practical advantages such as being able to provide products at low cost. Produce the effect.

[Brief description of drawings]

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

FIG. 2 is a side sectional view of the present invention.

FIG. 3 is a side sectional view of a pressing mechanism.

[Explanation of symbols]

 A Ink container holding mechanism B Support mechanism C Pressing mechanism 1 Ink container 2 Support shaft 3 Solenoid 4 Ink application section 5 Transfer roller 6 Ink roller 7 Drum 8 Printing plate 9 Slide base 10 Rack meshing gear 11 Rotating body 12 Tooth 13 rotation Rack 14 arm 15 locking hole 16 locking protrusion 17 base frame 18 rod 19 moving hole 20 moving shaft 21 plate piece 22 joining plate piece 23 joining plate piece 24 spring 25 connecting rod 26 supporting hole

Claims (3)

(57) [Claims] 1. An ink container holding mechanism in which an ink container is rotatably provided, and a slide mechanism, and a support mechanism for supporting the ink container holding mechanism in a horizontal slidable manner via a support shaft, and a solenoid. And a pressing mechanism that moves the ink container holding mechanism in the vertical direction and presses the ink applying portion of the ink container held by the ink container holding mechanism against a predetermined roller to apply ink to the roller. An automatic ink application device characterized by the above. 2. The support mechanism comprises a support shaft that slidably supports the ink container holding mechanism, and an arm that is provided with a rotating rack having a tooth portion at its tip and is installed and fixed in parallel with the support shaft. The automatic ink applying device according to claim 1, wherein the slide means is configured by attaching a moving belt to the ink container holding mechanism. 3. An ink container holding mechanism holds a slide base that is slidably supported by a support shaft of a support mechanism, an ink container, and has a rack engaging gear and is rotatably attached to the slide base. When the slide base is slid, the teeth of the rotating rack of the arm and the rack meshing gear of the rotating body are meshed with each other so that the rotating body holding the ink container can be rotated 180 degrees. The automatic ink application device according to claim 2.