JPH09155741A - Blast device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently remove paint and dirt on a surface without causing dust by jetting pelletized dry ice from the tip of a nozzle by using air and supplying polishing and cleaning material into air including the dry ice passing through the nozzle. SOLUTION: For a blast device 13 to do blasting work, when air is jetted from an air compressor 4, pelletized dry ice 6 is supplied from a dry ice supply device 7 into a dry ice supply hose 3 and jetted from a nozzle 2 together with air. Polishing and cleaning material 9 in a polishing and cleaning material container 12 is sucked via a polishing and cleaning material supply hose 11 by air passing through an air passage in the nozzle 2 and paint and dirt on a surface are removed by the jetting of the dry ice 6 and the polishing and cleaning material 9. In this way, the jetting of the dry ice 6 and the polishing and cleaning material 9 allows the safe use in a room without causing dust.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blast device for injecting pelletized dry ice.

[0002]

2. Description of the Related Art A blasting device for injecting dry ice pellets has the advantage that it can be used outdoors because it does not generate dust, but it is compared to a blasting device using silica sand, alumina, etc. And the cleaning power is weak, high pressure,
A high flow rate injection is used.

[0003]

Since the conventional blasting apparatus using dry ice uses high-pressure, high-flow rate injection, it must be handled with care, and a large amount of dry ice is injected, resulting in high cost. was there.

The present invention has been made in view of the above-mentioned conventional drawbacks,
To provide a blasting device that can efficiently remove paint and dirt on the surface by normal spraying, efficiently prevent dust and surroundings from being contaminated, and can be used at low cost. Has an aim.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings. However, the drawings are for explanation only, and do not limit the technical scope of the present invention.

[0006]

In order to achieve the above object, the present invention provides a blasting device main body for injecting dry ice in the form of pellets from the tip of the nozzle using air, and a nozzle of the blasting device main body. The blasting device is configured with a polishing / cleaning material supply device that supplies the cleaning / cleaning material into the air containing dry ice.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings.

In the first embodiment of the present invention shown in FIGS. 1 to 4, reference numeral 1 denotes a blasting device main body for injecting pelletized dry ice, and the blasting device main body 1 is a nozzle for injecting pelletized dry ice. 2, an air compressor 4 for supplying air to be sprayed to the nozzle 2 through a dry ice supply hose 3, and a rotary valve 5 driven by a low speed motor M or the like installed in the dry ice supply hose 3. The dry ice supply device 7 supplies the dry ice 6 in the form of pellets into the dry ice supply hose 3.

Reference numeral 8 is a polishing / cleaning material supplying device for supplying the polishing / cleaning material into the air containing dry ice passing through the nozzle 2 of the blasting device main body 1. The polishing / cleaning material supplying device 8 is an air passage of the nozzle 2. A suction pipe 10 that is opened by 2a and is sucked by air passing through the air passage 2a;
Abrasive cleaning material supply hose 11 connected to the suction pipe 10.
And the tip of the polishing / cleaning material supply hose 11 is composed of a polishing / cleaning material storage container 12 installed at the bottom surface portion in which the polishing / cleaning material 9 made of a material such as silica sand or alumina is stored.

When the blasting device 13 having the above-mentioned structure ejects the air from the air compressor 4 from the nozzle 2, the dry ice supplying device 7 supplies the dry ice 6 in the form of pellets into the dry ice supplying hose 3 so that the dry ice is supplied together with the air. And is ejected from the nozzle 2.

Further, the air passing through the air passage 2a of the nozzle 2 sucks the polishing / cleaning material 9 in the polishing / cleaning material storage container 12 through the polishing / cleaning material supply hose 11 and mixes it with the dry ice 6 in pellet form. As a result, the cleaning material 9 is sprayed from the nozzle 2, and the paint and dirt on the surface can be removed by spraying the dry ice 6 in pellet form and the cleaning material 9.

[0012]

Different Embodiments of the Invention Next, different embodiments of the present invention shown in FIGS. 5 to 14 will be described. In addition,
In the description of the different embodiments of the present invention, the same components as those of the first embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.

The second embodiment of the present invention shown in FIGS. 5 and 6 is mainly different from the first embodiment of the present invention in that the polishing / cleaning material storage container 12A is formed in a pressure tank shape. The cleaning and cleaning material 9 is connected to the air compressor 4 by a hose 15 equipped with an on-off valve 14.
By using the pressure applied to the cleaning / cleaning material storage container 12A, the polishing / cleaning material supply device 8A capable of supplying the cleaning / cleaning material storage container 12A to the nozzle 2 through the polishing / cleaning material supply hose 11 provided with the flow rate adjusting valve 16 is used. Even with the blasting device 13A using the polishing / cleaning material supplying device 8A configured as described above, the same operational effects as those of the first embodiment of the present invention can be obtained.

In the third embodiment of the present invention shown in FIGS. 7 and 8, the main difference from the first embodiment of the present invention is that the nozzle 2 supplied from the air supply hose 3A is used.
The dry ice supply device 7A that sucks and supplies the dry ice 6 in pellet form by the air passing through the air passage 2a of FIG. The same effect as that of the first embodiment of the present invention can be obtained. In this embodiment, the polishing / cleaning material supply device 8 may be the polishing / cleaning material supply device 8A used in the second embodiment.

The fourth embodiment of the present invention shown in FIGS. 9 and 10 is mainly different from the third embodiment of the present invention in that it passes through the dry ice supply hose 3 of the dry ice supply device 7A. Even if the blasting device 13C configured in this way is the same as that of the third embodiment of the present invention, the abrasive cleaning material supply device 8A sucked by the air is connected to the dry ice supply hose 3. The effect is obtained.

The fifth embodiment of the present invention shown in FIGS. 11 and 12 is mainly different from the fourth embodiment of the present invention in that the polishing / cleaning material 9 supplies the polishing / cleaning material 9 by pressurization. In terms of using the supplying device 8B, the abrasive cleaning material supplying device 8B as described above is used.
Even if the blast device 13D is configured by using the above, the same operational effect as that of the fourth embodiment of the present invention can be obtained.

The sixth embodiment of the present invention shown in FIGS. 13 and 14 is mainly different from the fifth embodiment of the present invention in that the polishing / cleaning material discharge hole 17 of the polishing / cleaning material storage container 12A is used.
In terms of using the polishing / cleaning material supply device 8C in which the discharge hole 18a of the air supply pipe 18 is positioned in the above, by using the blasting device 13E using the polishing / cleaning material supply device 8C configured as described above, The cleaning material 9 can be reliably supplied.

[0018]

As apparent from the above description, the following effects can be obtained in the present invention.

(1) A blasting / cleaning material is supplied into the blasting device main body for injecting dry ice in the form of pellets from the tip of the nozzle using air, and the air containing the dry ice passing through the nozzle of the blasting device main body. Since it is configured with the abrasive cleaning material supply device, pelletized dry ice and abrasive cleaning material can be sprayed from the nozzle. Therefore, sufficient polishing power can be obtained, and the paint and dirt on the surface can be removed efficiently.

(2) According to the above (1), since the pelletized dry ice and the cleaning material are sprayed from the nozzle, it is possible to efficiently prevent the generation of dust, and to use it indoors as well as outdoors. be able to.

(3) According to the above (1), the dry ice in pellet form and the abrasive material are supplied from different places and jetted from the nozzle, so that the dry ice and abrasive material can be easily stored. In addition, the amount of distribution can be changed according to the purpose of use, and efficient polishing power can be obtained.

(4) According to the above (1), a sufficient polishing force can be obtained without injecting pelletized dry ice at a high pressure and a high flow rate as in the conventional case, so that the consumption of dry ice can be reduced. It can be used economically.

(5) Claims 2, 3, and 4 are the same as (1) to
The same effect as (4) can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory diagram of a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of a nozzle according to the first embodiment of this invention.

FIG. 3 is an explanatory diagram of a dry ice supply device according to the first embodiment of this invention.

FIG. 4 is an explanatory diagram of the abrasive cleaning material supply device according to the first embodiment of the present invention.

FIG. 5 is a schematic explanatory diagram of a second embodiment of the present invention.

FIG. 6 is an explanatory diagram of an abrasive cleaning material supply device according to a second embodiment of the present invention.

FIG. 7 is a schematic explanatory diagram of a third embodiment of the present invention.

FIG. 8 is an explanatory diagram of a nozzle according to a third embodiment of the present invention.

FIG. 9 is a schematic explanatory diagram of a fourth embodiment of the present invention.

FIG. 10 is an explanatory diagram of a polishing / cleaning material supply device according to a fourth embodiment of the present invention.

FIG. 11 is a schematic explanatory diagram of a fifth embodiment of the present invention.

FIG. 12 is an explanatory diagram of a polishing and cleaning material supply device according to a fifth embodiment of the present invention.

FIG. 13 is a schematic explanatory diagram of a sixth embodiment of the present invention.

FIG. 14 is an explanatory diagram of a polishing / cleaning material supply device according to a sixth embodiment of the present invention.

[Explanation of symbols]

1: Blasting device main body, 2: Nozzle, 3: Dry ice supply hose, 3A: Air supply hose, 4: Air compressor, 5: Rotary valve, 6: Dry ice in pellet form, 7, 7A: Dry ice supply device, 8, 8A, 8B, 8C: Abrasive cleaning material supply device, 9: Abrasive cleaning material, 10: Suction pipe, 11: Abrasive cleaning material supply hose, 12 and 12A: Abrasive cleaning material storage container, 13, 13A, 13B, 13C , 13D, 13E: Blasting device, 14: Open / close valve, 15: Hose, 16: Flow control valve, 17: Abrasive cleaning material discharge hole, 18: Air supply pipe.

Claims (5)

[Claims] 1. A blasting device main body for injecting dry ice pellets from the tip of a nozzle using air,
A blasting device comprising: a polishing / cleaning material supply device for supplying the polishing / cleaning material into the air containing dry ice passing through the nozzle of the blasting device main body. 2. A nozzle capable of injecting pelletized dry ice, a compressor for supplying air to the nozzle via a hose, and a dry ice supply device for supplying pelletized dry ice into the hose. Blast characterized by comprising: a blasting device main body; and a polishing and cleaning material supply device for sucking and supplying the polishing and cleaning material into the air containing the dry ice passing through the nozzle of the blasting device main body by utilizing the flow of the air. apparatus. 3. A blasting device main body for injecting dry ice pellets from the tip of a nozzle using air,
A blasting device comprising a blasting / cleaning material supply device for pressurizingly supplying the blasting / cleaning material into the nozzle of the blasting device main body. 4. A nozzle capable of injecting dry ice pellets, a compressor for supplying air to the nozzles through a hose, and a dry ice supply hose for supplying dry ice pellets by the air passing through the nozzles. A blasting device main body composed of a dry ice supply device for sucking and supplying by a suction, and a polishing and cleaning material supply device for supplying the polishing and cleaning material into the air containing the dry ice passing through the nozzle of the blasting device main body. Blasting device. 5. A nozzle capable of injecting pelletized dry ice, a compressor for supplying air to this nozzle via a hose, and a pelletized dry ice by air passing through said nozzle via a dry ice supply hose. A blasting device comprising: a blasting device main body composed of a dry ice supplying device for sucking and supplying by a suction, and a polishing and cleaning material supplying device for supplying the polishing and cleaning material into a dry ice supply hose of the blasting device main body.