JP2514275Y2 - Glazed color switching device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glazed color switching device capable of switching the color of a glaze.

[0002]

2. Description of the Related Art Conventionally, a spray type glaze robot has been used to apply a glaze to a dried ceramic base material, and this glaze robot can apply a single color glaze. However, when there are many types of colors, there is a problem that a plurality of glazed robots are required, which increases equipment costs and the like.

[0003]

SUMMARY OF THE INVENTION The present invention has been devised in view of the above-mentioned problems of the prior art, and one glaze robot can satisfactorily switch the colors of glazes to perform glazes of two or more colors. With the purpose of not providing a glazed color switching device that can
The gist is a switching device that can switch the glaze supplied to the glazed gun side to a different color glaze, and the switching device has glazes of different colors on the opposite side surfaces of the main body through valve seat plates. A needle valve having an inflowing glaze chamber, a valve seat portion having an opening formed in each valve seat plate, and a ceramic valve body that opens and closes the valve seat portion in each glaze chamber Are provided respectively.

[0004]

[Function] The main body of the switching device is formed with a glaze chamber in which glazes of different colors flow in oppositely, and this glaze chamber is partitioned by a valve seat plate having a valve seat portion, and the valve seat portion is a needle valve. It can be opened and closed by the valve body, and the color of the glaze put in the main body can be switched by operating the needle valve. or,
Since the valve body of the needle valve is made of ceramic, it has excellent wear resistance.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram of a glazed color switching device. This glazed color switching device 1 is attached in the vicinity of a glazed robot, and an outlet 2a communicating with the spray gun side of the glazed robot is provided in a main body 2. Is formed and the main body 2
Resin valve seat plates 3 and 4 are disposed opposite to each other on both lower side surfaces of the main body 2, and resin valve seat plates 5 and 6 are also provided on both opposite side surfaces of the upper portion of the main body 2. It is provided.

A glaze chamber 7 having an inflow port 7a on the outside is formed on the valve seat plate 3 side, and an air chamber 8 having an air port 8a on the outer side of the glaze chamber 7 is further formed. An air chamber 9 having an air port 9a is provided outside. The air chamber 8 and the air chamber 9 are partitioned by a piston portion 12 of a needle valve 10, a rod 11 is provided in the piston portion 12 at a right angle, and a valve body 13 is provided at a tip portion of the rod 11. .

The valve body 13 is constructed as shown in an exploded view in FIG. 2, and the valve body 13 is formed of a ceramic tip in a cone shape, and the tip of the rod 11 has a tip portion. The screw portion 14 is provided, and the inner screw 15 is provided from the outside to the inside.
A cap 15 having a formed therein can be screwed into the threaded portion 14, and by attaching the cap 15 to the threaded portion 14 with the valve body 13 inserted into the cap 15, as shown in FIG. The valve element 13 is attached to the tip of the rod 11 via the cap 15 in a protruding manner.

The valve body 13 is adapted to come into contact with the valve seat portion 3a formed on the valve seat plate 3 to open and close the opening 3b of the valve seat portion 3a. That is, when the air is introduced into the air chamber 8 from the air port 8a, the piston portion 12
Moves to the air chamber 9 side, and accordingly, the valve body 13 moves to the left side in the drawing through the rod 11 to open the valve seat portion 3a,
The glaze A which flows into the glaze chamber 7 through the opening 3b is introduced into the main body 2, and the glaze A flows from the main body 2 to the outlet 2a.
The glaze A is supplied to the spray gun side of the glazed robot through.

An inflow port 16a is also provided outside the valve seat plate 4.
The glaze chamber 16 having the
The glaze B of different colors can be introduced into the. Further, an air port 17a is provided outside the glaze chamber 16.
Is formed, and further, an air chamber 18 having an air port 18a is formed outside thereof. The air chamber 17 and the air chamber 18 are partitioned by the piston portion 12, and the valve body 13 is provided at the tip of the needle valve 10 so that the valve seat portion formed on the valve seat plate 4 can be opened and closed.

On the other hand, a water port 19a is provided outside the valve seat plate 5.
Is formed, and an air chamber 20 having an air port 20a is formed outside the water chamber 19. The piston portion 2 of the needle valve 21 is placed in the air chamber 20.
2 is provided, a spring 23 is provided outside the piston portion 22, and the needle valve 21 is always urged to the right by the spring 23. The tip of the needle valve 21 is a needle made of metal, and can open and close the valve seat portion formed on the valve seat plate 5.

On the other hand, an air port 24 is provided outside the valve seat plate 6.
An air chamber 24 having a is formed, and an air chamber 25 having an air port 25a is further formed outside thereof. The piston portion 2 of the needle valve 21 is placed in the air chamber 25.
2 is arranged, and the piston portion 22 is also urged to the left side in the drawing by the spring 23.

In the glaze color switching device 1 having such a structure, when the glaze A is supplied to the spray gun side, as described above, air is introduced into the air chamber 8 and the opening 3b of the valve seat plate 3 is opened. The glaze A is supplied into the main body 2. At this time, the valve seat plates 4, 5, 6 are in a closed state. After the glaze by the glaze A is completed, air is introduced into the air chamber 9 so that the valve body 13 moves to the right side and the valve seat portion 3
The supply of the glaze A is stopped by closing a. After that, air is supplied into the air chamber 20 and the needle valve 21 is moved to the left side in the figure. Body part 2
It is supplied to the inside of the spray gun and further to the gun side from the outlet 2a, and the water sprays the spray gun.

Thereafter, when the supply of air to the air chamber 20 is stopped and the valve seat plate 5 is closed by the urging force of the spring 23, air is next introduced into the air chamber 25 and the needle valve 21 is moved. After moving to the right side in the figure, the valve seat plate 6 is opened. At this time, air is introduced into the air chamber 24, the air enters the main body 2 and is guided to the spray gun side, and the water in the spray gun is removed by this air. After that, the air chamber 2
When the supply of air to 5 is stopped and the valve seat plate 6 is closed by the biasing force of the spring 23, and then air is supplied into the air chamber 17, the needle valve 10 moves to the right side in the drawing and the valve seat plate 4 is opened. . When the valve seat plate 4 is opened, the glaze chamber 16
The glaze B therein flows into the main body 2, and the glaze B is supplied to the spray gun side.

The control for moving the needle valves 10 and 21 is separately controlled by a control panel. In this way, when switching from the glaze A to the glaze B, it is possible to completely perform the color change by washing with water and satisfactorily draining with air. In particular, in this example, since the valve body 13 of the needle valve 10 is made of ceramic, it does not wear even if the valve body 13 frequently contacts the valve seat portion 3a repeatedly, and especially in the glaze. Since coarse particles are contained in the conventional metal valve element, the valve element made of ceramic has been worn out severely and has poor durability. However, the valve element 13 made of ceramic improves the durability extremely.

[0015]

The present invention is a switching device capable of switching the glaze supplied to the glazed gun side to a different color glaze, and the switching device has valve seat plates on opposite sides of the main body. A glaze chamber into which glazes of different colors flow is formed, a valve seat portion having an opening is formed in each valve seat plate, and a ceramic valve for opening and closing the valve seat portion is formed in each glaze chamber. Since each needle valve having a body is provided, the needle valve is actuated to open and close each valve seat portion, and it is possible to switch and use the glazes of different colors in each glaze chamber. Since the valve seat portion is made of ceramic, the switching device has excellent wear resistance and improved durability.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a glazed color switching device.

FIG. 2 is an exploded view of a needle valve.

FIG. 3 is a schematic configuration diagram showing a state where the needle valve of FIG. 2 is assembled.

[Explanation of symbols]

 1 Glazing Color Switching Device 2 Main Body 2a Outlet 3,4,5,6 Valve Seat Plate 3a Valve Seat 3b Open 7,16 Glaze Chamber 8,9,17,18,20,24,25 Air Chamber 10,21 Needle valve 11 Rod 12, 22 Piston part 13 Valve body 14 Screw part 15 Cap 19 Water chamber 23 Spring

Claims (1)

(57) [Scope of utility model registration request] 1. A switching device capable of switching the glaze supplied to the glazed gun side to a different color glaze, wherein the switching device has different color glazes on opposite side surfaces of the main body through valve seat plates. A glaze chamber into which the inflow is formed, a valve seat portion having an opening is formed in each valve seat plate, and a needle having a ceramic valve element that opens and closes the valve seat portion in each glaze chamber A glazed color switching device characterized in that each valve is provided.