JPH07101134A - Automatic ink coating device - Google Patents

Abstract

PURPOSE:To provide an automatic ink-coating device built in an apparatus wherein printing of validation or stamping is performed on any position of a paper such as a receipt or the like. CONSTITUTION:An automatic ink coating device comprises an ink vessel-holding mechanism A that rotatably holds an ink vessel 1 in the transverse direction, a supporting mechanism B that has a sliding means and supports the ink vessel- holding mechanism A by slidably supporting it in the horizontal direction via a supporting axle 2 and a pressing mechanism C that has a solenoid 3, moves the ink vessel-holding mechanism A in the vertical direction and presses an ink-coating section 4 of the ink vessel 1 held on the ink vessel-holding mechanism A against a prescribed roller 5 to coat an ink on the roller 5.

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 adopted in which an ink container is placed at a predetermined position with the ink application section facing downward and ink is attached to a printing plate of a drum through an intermediate roller such as a transfer roller or an ink roller. .

[0005]

However, according to the means for contacting the ink roller, which is impregnated with the ink 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 comprises an ink container holding mechanism for holding an ink container rotatably in a lateral direction and a slide means, and holds the ink container holding means. A support mechanism for slidably supporting the mechanism in a horizontal direction via a support shaft, and an ink application section of an ink container that is held by the ink container holding mechanism that is provided with a solenoid to move the ink container holding mechanism in the vertical direction Is pressed against a predetermined 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, an ink container holding mechanism A for holding the ink container 1 rotatably in the lateral direction and a slide means are provided,
A support mechanism B for supporting the ink container holding mechanism A slidably in a horizontal direction via a support shaft 2, and a solenoid 3
And an ink container 1 which is provided with the ink container holding mechanism A moved in the vertical direction and is held by the ink container holding mechanism A.
And a pressing mechanism C that presses the ink applying portion 4 against the transfer roller 5 to apply ink to the roller 5.

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. A locking hole 15 is formed in the slide base 9 substantially at the center thereof so as to be slightly elongated in the vertical direction. 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 9 moves in the vertical direction 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.

The ink container 1 held by the ink container holding mechanism A is moved by moving the ink container holding mechanism A in the vertical direction.
The pressing mechanism C for pressing the ink applying section 4 of the above to the transfer roller 5 to apply the ink to the roller 5 is shown in FIGS.
As shown in FIG. 3, a moving shaft 20 inserted through a moving hole 19 formed near the tip of the slide base 9 and the moving shaft 20.
And a solenoid 3 for moving up and down. The solenoid 3 is a so-called cylindrical coil in which an electric wire is wound in a tubular shape, and uses magnetism to move a predetermined plate piece 21 up and down.
This plate piece 21, as shown in FIG.
It is connected to the moving shaft 20 via 3. Both joint plate pieces 2
As shown in FIG. 1, 2 and 23 are in a connected state by a connecting rod 25. In the figure, reference numeral 24 is a spring for holding the moving shaft 20 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.

[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)

[Claims] 1. An ink container holding mechanism for holding an ink container rotatably in a lateral direction, and a support mechanism provided with a slide means for supporting the ink container holding mechanism in a horizontally slidable manner via a support shaft. A pressing mechanism for moving the ink container holding mechanism in the vertical direction, which is provided with a solenoid, and pressing an 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 coating device comprising: 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.