JP3538486B2 - Oil washer drum - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum of an oil washer for removing chips adhering to an object to be cleaned such as a pipe with a cleaning oil when the pipe or the like is processed.

[0002]

2. Description of the Related Art A conventional drum of an oil washer has a cylindrical shape having a large number of holes formed therearound, and a plurality of transport blades parallel to the axis of the drum are provided inside.

[0003]

When a pipe or the like is processed, swarf adheres to the pipe and the like. To remove the swarf, a pipe or the like is housed in a drum of an oil washer from a supply chute, and the lower part is washed with a cleaning oil. It is washed off in the drum soaked inside.
In the cleaning, an object to be cleaned such as a pipe housed in the drum is transported upward with the rotation of the drum by a transport blade provided on the inner peripheral wall of the drum in parallel with the axis of the drum, and drops from the transport blade at the uppermost portion. , By the discharge chute provided at the fall point,
It is discharged to the centrifuge in the next step.

[0004] However, the cleaning action of the object to be cleaned is almost only during the time when it is immersed in the cleaning oil, and it is impossible to receive sufficient cleaning in a very short time.

[0005] In view of the above, an object of the present invention is to provide a drum of an oil washer capable of sufficiently washing chips attached to an object to be cleaned such as a pipe during processing.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a cylindrical drum having a plurality of holes formed therearound and rotating in a vertical direction at an opening end of a drum having an inward flange shape. A side wall is formed, and a flange-shaped partition wall is provided in the circumferential direction at the center of the inner circumference of the drum body. The transport blade that transports the object to the cleaning object discharge side of the drum is inclined with the transport blade closer to the center of the drum toward the rear in the rotating direction of the drum, and the inner peripheral wall of the drum on the cleaning object discharge side is cleaned. Conveying blades for carrying the object in the rotating direction are provided in parallel with the axial direction of the drum, and a corner portion between the partition wall and the inner peripheral wall of the drum is formed obliquely. According to the present invention, since a flange-shaped side wall is formed inward at the opening end of a drum that rotates in a vertical direction and has a cylindrical shape with a large number of holes formed in the periphery thereof, the cover accommodated in the drum is formed. The washing is performed by the washing oil that enters through the holes around the drum.
Chips attached to the object to be cleaned are removed. The object to be cleaned is prevented from falling out of the drum by the flange-shaped side wall.

A flange-shaped partition wall is provided in the center of the inner periphery of the drum body in the circumferential direction, and the object to be cleaned is placed on the inner peripheral wall of the drum on the object supply side, which is partitioned by the partition wall. The transport blades to be transported to the cleaning object discharge side of the drum are inclined at the center of the transport blades toward the rear side in the rotating direction of the drum. The transport blade is transported upward by the transport blades along with the rotation of the drum. During the upward transport, the transport blades are inclined at the center side toward the rear side in the rotation direction of the drum. And falls into the adjacent drum on the discharge side of the object to be cleaned.

The object to be washed dropped into the drum on the discharge side of the object to be washed is immersed in the washing oil again, is washed by the washing oil, is transported upward by the transport blades, and is discharged from the transport blade at the uppermost portion onto the discharge chute. To fall. As described above, since the object to be cleaned is washed with the cleaning oil on both the supply side and the discharge side of the object to be cleaned of the drum, all the chips attached to the object to be cleaned are removed.

Further, in the present invention, since the corner between the partition wall and the inner peripheral wall of the drum is formed obliquely, it is possible to prevent a situation in which the object to be cleaned is stuck between the partition wall and the side wall of the drum and cannot be removed. You.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. 1 is a partially cutaway side view of an oil washer provided with the drum of the present invention, FIG. 2 is a rear view of the same, and FIG. 3 is a partial cross-sectional view showing the operation of the same.

The drum of the oil washer according to the present invention is provided with a cylindrically rotatable drum 3 having a large number of holes 3A formed therearound in a box 2 of the oil washer main body 1. A side wall 4 is formed in a flange shape on the circumferential wall at the front and rear open ends of the drum 3 perpendicular to the inner circumferential wall.

A flange-shaped partition wall 5 is provided in the center of the inside of the body of the drum 3 in the circumferential direction. A front part of the partition wall 5 is partitioned into a cleaning object supply side 3B and a rear part thereof is partitioned into a cleaning object discharge side 3C. ing.

Two transport blades 6 are installed on the inner peripheral wall of the cleaning object supply side 3B of the drum 3 so as to face each other. The transport blade 6 is formed of a horizontally long plate, and has an upright portion 6A perpendicular to the inner peripheral wall of the drum 3 and an inclined portion 6B whose tip is bent in the rotation direction of the drum 3.

The transport blades 6 are installed in the axial direction of the drum 3. The transport blades 6 are inclined from the front end side wall 4 of the drum 3 toward the rear side in the rotation direction of the drum 3. It is installed over the partition wall 5. Therefore, when the cleaning object A supplied into the drum 3 is transferred upward, the cleaning object A slides toward the center of the drum 3 along the transport blade 6 during the transfer, and drops to the rear cleaning object discharge side 3C. I do.

On the inner peripheral wall of the cleaning object discharge side 3C of the drum 3, a conveying blade 7 having the same standing portion 7A and inclined portion 7B as above is installed at a quarter turn with the conveying blade 6. Two drums are provided so as to be opposed to each other and extend from the partition wall 5 of the drum 3 to the rear end side wall 4 in parallel with the axial direction of the drum 3.

A corner 3D between the inner peripheral wall of the drum 3 and the partition wall 5 is formed obliquely.

In the drawing, reference numeral 5A denotes a center plate formed integrally with the partition wall 5, and the center plate 5A
The shaft 8 installed toward the center of the box 2 from the front to the rear is inserted into the center and is fixed to the shaft 8. The center plate 5 </ b> A is open except for the connection with the partition wall 5.

In the box 2, the front of the drum 3 and the rear of the drum 3 are provided with openings 9 at positions above the center of the drum 3, and a supply chute 10 for supplying the article A to be cleaned is provided at the front opening 9. A chute 11 for discharging the object to be cleaned A is provided in the opening 9 on the rear surface.

Reference numeral 12 denotes a sprocket provided at an end of the shaft 8, and the sprocket 12 is connected to a sprocket 14 of a motor 13 by a chain 15. still,
In the figure, reference numeral 16 denotes a tank provided at the lower part of the box 2, and the lower part of the drum 3 is immersed in the cleaning oil in the tank 16.
Reference numeral 17 denotes a cleaning oil circulation pipe provided between the lower part of the tank 16 and the upper part of the box 2.

[0020]

According to the present invention, the object to be washed supplied into the drum is washed twice with the cleaning oil on both the object supply side and the object discharge side. Compared to only cleaning, it was possible to remove all chips attached to the object to be cleaned during processing. Further, since the corner between the partition wall in the drum and the inner peripheral wall of the drum is formed obliquely, the object to be cleaned is not clogged between the partition wall and the side wall of the drum and cannot be removed.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of an oil washer provided with a drum of the present invention.

FIG. 2 is a rear view of the oil washer provided with the drum of the present invention.

FIG. 3 is a partial sectional view showing the operation of the oil washer provided with the drum of the present invention.

[Explanation of symbols]

1 Oil washer body 3 drums 3A hole 3B Drum supply side of drum 3C Drum discharge side 4 Side wall 5 Compartment wall 6 transport blades 7 Transfer blade A What to wash

Claims (1)

(57) [Claims] At the opening end of a cylindrical, vertically rotating drum having a number of holes formed therethrough, a flange-shaped side wall is formed inward, and an inner periphery of a drum body is formed. At the center, a flange-shaped partition wall is provided in the circumferential direction, and on the inner peripheral wall of the drum, which is separated by the partition wall, on the supply side of the cleaning object, transport blades for transporting the cleaning object to the cleaning object discharge side of the drum are provided. The transport blade, which is closer to the center of the drum than the transport blade is inclined toward the rear side in the rotation direction of the drum, and the transport blade that transports the cleaning object in the rotation direction is located on the inner peripheral wall of the cleaning object discharge side of the drum in the axial direction of the drum. And a corner portion between the partition wall and the inner peripheral wall of the drum is formed obliquely.