JP2717701B2 - High pressure air rotary blower - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial application field" The present invention relates to a high-pressure air rotary blower, and more particularly, to a machined workpiece when machined by various machine tools such as a lathe, a drilling machine, and a milling machine. Is a high-pressure air blower that blows off various kinds of deposits such as cutting oil and cutting oil that adhere to the cutting tool that has machined the workpiece or the chuck that fixes the workpiece, and is particularly convenient to use by attaching it to the tip of an air gun. It is something.

2. Description of the Related Art Conventionally, machining of a workpiece by various machine tools such as a lathe, a drilling machine, and a milling machine has been performed.

When the processing by such various machine tools is completed, various kinds of deposits such as Kiriko and cutting oil may adhere to the processed workpiece. Further, depending on the workpiece, machining with the same machine tool may be sequentially repeated, or machining with another machine tool may be performed.

Various kinds of deposits such as cutting oil and cutting oil generated by such processing may cause misalignment of the work or decrease in processing accuracy.
Alternatively, it is necessary to remove the work from a fixed chuck or the like.

Therefore, conventionally, using an air gun, by the high-pressure air blown from the air gun, the work has been finished,
Various deposits such as high-temperature Kiriko were removed from cutting tools and chucks.

"Problems to be Solved by the Invention" (1) However, the following problems have been encountered in the conventional operation of removing adhering matter.

That is, since there is only one outlet for the high-pressure air from the air gun, when there is a large amount of deposits to be removed, the operator must perform the removal operation while changing the direction of the air gun. In particular, in order to remove the deposits on the cutting traces after the female threading, the air gun had to make at least one round along the cutting traces.

As described above, the operation of removing the extraneous matter by the conventional air gun has never been efficient.

(2) The problem to be solved by the present invention is to provide a high-pressure air blowing device capable of efficiently performing an operation of removing extraneous matter.

`` Means for solving the problem '' As means for solving the above-mentioned problems, a cylindrical main body 10, a rotating body 20 rotatably supported by the main body 10,
A blowing body fixed to the rotating body 20 and protruding from the inside of the main body 10
A high-pressure air blowing device formed from the main body 10 and a high-pressure air source.The main body 10 has a fixing portion 19 for communicating with a high-pressure air source.
The air passage 21 communicating with the fixed portion 19 of the air passage 21 is provided so as to pass therethrough.
A rotation passage for rotating the rotating body 20 which communicates with the outside of the rotating body 20 in a direction deviating from a line toward the axis of the rotating body 20.
22 is provided, and the blowing body 30 is provided with a blowing passage 31 communicating with the air passage 21 at a place corresponding to the rotation axis thereof, and a blowing nozzle 32 for communicating the blowing passage 31 with the outside of the blowing body 30. Formed on the inner wall of the main body 10 corresponding to the rotation passage 22 of the rotating body 20.
A is provided, and a high-pressure air rotary blowing device is provided, wherein the blowing air from the rotating body 20 is formed so as to impinge on the uneven portion 12A.

[Operation] The operation of the high-pressure air rotary blowing device of the present invention will be described.

The high-pressure air supplied from the high-pressure air source is sent to the air passage 21 of the rotating body 20 via the fixing portion 19 of the main body 10.

Most of the high-pressure air sent to the air passage 21 is a blowing body
The air is sent to an outlet passage 31 of 30, and the rest is blown out from a passage 22 for rotation.

Since the rotation passage 22 communicates the air passage 21 and the outside of the rotating body 20 in a direction deviating from a line toward the axis of the rotating body 20, the rotation passage 22 is blown out of the rotating body 20 from the rotating passage 22. The high-pressure air rotates the rotating body 20. At the same time, the blowing body 30 fixed to the rotating body 20 is also rotated.

On the other hand, the high-pressure air sent to the blowing passage 31 is discharged from the blowing nozzle 32 of the rotating blowing body 30.
It blows out to the outside of 30 and the attached high pressure air blows off the deposits.

Further, the rotating body 20 which rotates by blowing out high-pressure air from the rotation passage 22 has an uneven portion formed by blowing out the high-pressure air.
Since it corresponds to 12A, it rotates well by its reaction force.

"Examples" Hereinafter, the present invention will be described in more detail with reference to Examples, but it will be apparent that the present invention is not limited to the Examples described below.

FIG. 1 is a sectional view showing a high-pressure air rotary blowing device according to the present invention.

FIG. 2 is a sectional view showing a one-touch joint 19A as a variation of the fixing portion 19 of the main body 10. As shown in FIG.

FIG. 3 is a sectional view showing a variation of the shape of the main body 10. As shown in FIG.

(1) Hereinafter, the configuration of the high-pressure air rotary blowing device of the present embodiment will be described.

The high-pressure air rotary blowing device of the present embodiment includes a cylindrical main body 10, a rotary body 20 rotatably supported by the main body 10, and a blowout fixed to the rotary body 20 so as to be detachable and protruding from the inside of the main body 10. It is formed from the body 30.

The main body 10 has a cylindrical fixed body 17 having a fixed portion 19 for attachment to an air gun communicating with a high-pressure air source, and is formed separately from the fixed body 17 and fixed to the side opposite to the fixed portion 19 of the fixed body 17. And a cylindrical storage body 11 to be formed.

The fixing portion 19 of the fixing body 17 is a screw-type adjuster adapted to the tip of the air gun, and can be attached to the air gun. The inside of the fixed portion 19 becomes a communication passage 15 and communicates with the high-pressure air ejection port of the air gun. Further, a female screw portion 18 for fixing the storage body 11 is provided inside the fixed body 17 on the side opposite to the fixed part 19.

The housing 11 is provided with a male screw 16 for fixing to the female screw 18 of the fixed body 17, the inner part of the male screw 16 is a bearing mounting part 14, and the part opposite to the fixed body 17 is provided. Exhaust passage 12 with inner diameter larger than bearing mounting part 14
And

The rotating body 20 has a cylindrical shape such that a portion corresponding to the rotation axis thereof is an air passage 21 communicating with the communication passage 15 of the main body 10, and various bearings are mounted on the bearing mounting portion 14 of the main body 10.
It is rotatably attached to the main body 10 by interposing the thirteen.

The rotating body 20 has an exhaust passage when mounted on the main body 10.
The position corresponding to 12 and the air passage 21 are communicated with each other in a direction deviating from a line toward the axis of the rotating body 20. Passageway for rotation 22
Is provided.

Further, a fixed female screw portion 23 for fixing the blowing body 30 is provided on the side of the rotating body 20 opposite to the communication passage 15.

The blowing body 30 has a fixed male screw part 33 for attaching one end to the fixed female screw part 23 of the rotating body 20 and making it detachable, and has a thin cylindrical shape with the other end closed. . The inside of the cylinder is an outlet passage 31 communicating with the air passage 21,
A blowing nozzle 32 for communicating the blowing passage 31 with the outside of the blowing body 30 is provided near the tip on the anti-rotating body 20 side.

(2) The operation of the present embodiment will be described below.

The high-pressure air supplied from the high-pressure air source is sent into the communication passage 15 via the fixing portion 19 of the main body 10, and is sent from the communication passage 15 to the air passage 21 of the rotating body 20.

Most of the high-pressure air sent to the air passage 21 is a blowing body
The air is sent to an outlet passage 31 of 30, and the rest is blown out from a passage 22 for rotation.

Since the rotation passage 22 communicates the air passage 21 with the outside of the rotating body 20 in a direction deviating from a line toward the axis of the rotating body 20, high-pressure air blown out of the rotating passage 22 to the outside of the rotating body 20 is provided. Rotates the rotating body 20. At the same time, the blowing body 30 fixed to the rotating body 20 is also rotated.

The high-pressure air blown out from the rotation passage 22 travels through the exhaust passage 12 of the main body 10 and is discharged out of the main body 10.

On the other hand, the high-pressure air sent to the blowing passage 31 is discharged from the blowing nozzle 32 of the rotating blowing body 30.
It blows out to the outside of 30 and the attached high pressure air blows off the deposits.

(3) The effects of the present embodiment will be described below.

According to the present embodiment, since the supply of the high-pressure air is performed by the rotating blowing body 30, the high-pressure air is blown out while rotating, and the high-pressure air flows without rotating the air gun. Because the direction changes every moment,
There is an effect that the attached matter can be efficiently blown off.

(4) Variations of the present embodiment will be described.

In the present embodiment, the high pressure air rotary blower of the present embodiment has been described as being attached to the air gun communicating with the high pressure air source, but is not limited to the air gun.

In the present embodiment, as means for communicating the high-pressure air rotary blowing device of the present embodiment and a high-pressure air source,
Although the description has been made assuming that the screw-type adjuster is used for the fixing portion 19, the present invention is not limited to this.

For example, although not shown in detail, as shown in FIG. 2, the fixing portion 19A of the main body 10 may be formed by a joint called a one-touch joint without using a screw-type adjuster.

This one-touch coupling is composed of a male type and a female type, and both can be easily connected and fixed to and separated from each other.

In the present embodiment, the blowing nozzle 32 is
Although it has been described that the blow nozzle 32 is provided near the front end on the side, the position at which the blowing nozzle 32 is provided is not limited to this.

Spray nozzle 32 at various positions according to the application
Can be used.

In the present embodiment, it has been described that the blowing body 30 is detachable from the rotating body 20. However, the blowing body 30 having a different shape can be adopted.

For example, if the blowing body 30 is formed in an extremely thin cylindrical shape and the blowing body 30 is attached to the rotating body 20, it is possible to blow off the attached matter in a considerably narrow place.

In the above description, the cylindrical main body 10 has been described as if the exhaust passage 12 is also a complete cylinder. However, an uneven portion 12A as shown in FIG. 3 may be provided.

That is, it is formed by a vertical surface perpendicular to the inner wall of the portion corresponding to the rotation passage 22 of the exhaust passage 12 of the main body 10, and a slope having one end at the outer end of the vertical surface and not perpendicular to the inner wall. The main body 10 is formed by providing the uneven portion 12A on the inner wall portion. If such an uneven portion 12A is provided in the main body 10, the high-pressure air blown out from the rotation passage 22 hits the uneven portion 12A, so that it becomes easy to take a reaction force, and the rotating body 2
0 can be reliably rotated.

The shape of the uneven portion 12A is not limited to this, and may be any shape as long as it can apply a reaction force to the high-pressure air blown out from the rotation passage 22.

[Effects of the Invention] As described above, according to the present invention, the supply of high-pressure air is performed by the rotating blowing body 30, so that the high-pressure air is blown out while rotating, and Since the flowing direction changes every moment, there is an effect that the attached matter can be efficiently blown off without rotating the high pressure air rotary blowing device of the present invention itself.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a high-pressure air rotary blowing device according to the present invention. FIG. 2 is a sectional view showing a one-touch joint 19A which is a variation of the fixing portion 19 of the main body 10. As shown in FIG. FIG. 3 is a sectional view showing a variation of the shape of the main body 10. As shown in FIG. 10: Main body, 11: Storage body 12: Exhaust passage, 12A: Uneven part 13: Bearing, 14: Bearing mounting part 15: Communication passage, 16: Male thread part 17: Fixed body, 18: Female thread part 19: Fixed part 19A: Fixed part (one-touch joint) 20: Rotating body, 21: Air passage 22: Rotating passage, 23: Fixed female screw part 30: Blow-out body, 31: Blow-out passage 32: Blow-out nozzle, 33: Fixed male screw part

Claims (1)

(57) [Claims] A high-pressure air blowing device formed of a cylindrical main body, a rotating body rotatably supported by the main body, and a blowing body fixed to the rotating body and protruding from the inside of the main body. The main body 10 has a fixing part 19 for communicating with a high-pressure air source, and the rotating body 20 penetrates an air passage 21 communicating with the fixing part 19 of the main body 10 at a position corresponding to the rotation axis. The rotation for rotating the rotating body 20 is formed by connecting the air passage 21 and the outside of the rotating body 20 from the air passage 21 in a direction deviating from a line toward the axis of the rotating body 20. Passage 22 is provided, and the blowing body 30
A blow passage 31 communicating with the air passage 21 is provided at a position corresponding to the rotation shaft, and a blow nozzle 32 communicating the outside of the blow body 30 with the blow passage 31 is formed. A high-pressure air rotary blowing device, wherein an uneven portion 12A is provided on the inner wall of the main body 10 corresponding to the use passage 22, and the air blown out from the rotating body 20 is formed to hit the uneven portion 12A.