JPS6195872A - Barrel polishing device - Google Patents

Abstract

PURPOSE:To polish articles quickly and uniformly by generating the two types of flow motion in charged articles in a barrel vessel. CONSTITUTION:Masses (an aggregate of articles, abrasive material, compound, water or oil etc.) are charged into a barrel 15, and its cover is closed with bolts 18. A motor 5 is next driven to rotate a driving shaft 10, a rotary frame 9 and a driven shaft 11 round the center of X-X axis, and also a barrel 15 supported on the rotary frame 9 in the same direction. A geared motor 2 with brake is driven during the above rotation to rotate the barrel 15 round the center of Y-Y axis through a center gear 13, a middle gear 27, a gear 26 and bevel gears 22, 23. Consequently the two types of high speed flow motions are generated in masses in the barrel 15 to polish articles quickly and uniformly.

Description

DETAILED DESCRIPTION OF THE INVENTION (1) Purpose of the Invention A barrel polishing device whose purpose is to quickly and uniformly polish a large number of articles at once.

More specifically, the present invention is a barrel polishing device that is a highly efficient version of a conventional device such as a rotary barrel polishing device.

(2) Industrial Application Field The present invention is for removing pars and polishing the surfaces of mechanical parts, electrical and electronic equipment parts, and other workpieces.

This invention relates to pretreatment finishing such as plating and painting.

(3) Prior Art Conventional devices of this type include, in addition to the above-mentioned rotary barrel polishing device, centrifugal barrel polishing devices such as U, S, and P.

Ya 2, 56L037 "Finishing method and equipment".

Same < u, s, p, Fx No. 3,013365 “Free Abrasive Polishing Method and Apparatus” and Special Publication No. 1977-1951
No. 6 "High-speed rotating barrel polishing device" etc.

(Problems that the 4-shot F!A attempts to solve with conventional devices,
For example, in a rotating barrel polishing machine, there is a restriction that the rotation speed of the barrel is less than 32/J6 CD = barrel diameter in meters).

The drawback is that polishing requires a long time.

In addition, in a centrifugal barrel polishing machine, since there are multiple barrel tanks, one operation becomes extremely complicated, and since multiple barrel tanks are rotated at high speed away from the center of rotation, the bearing of the barrel shaft is The first drawback was that a large amount of force was applied and the bearings were severely worn out.

(5) Structure of the Invention (a) Means for Solving the Problems In order to solve the above-mentioned problems, the present invention aims to solve the above-mentioned problems by aligning one barrel tank with its central axis, the X-axis, and the y-axis, which is perpendicular to the X-axis. It is assumed that the two high-speed rotations of the motor are activated at the same time.

(B) Functions and Effects With the above-described configuration, the present invention generates two fluid movements in the charged material in one barrel tank as shown in FIG. 6, thereby quickly distributing the articles.

In addition, polishing can be performed uniformly.

(c) Example This apparatus will be explained with reference to FIGS. 1, 2, and 3.

■A rotating frame 9 with a drive shaft 10 and a driven shaft 11 to which a pulley 8 is fixed at one end.

It is rotatably supported on the frame 1 by hero units 4a and 4b.

■Pulley 8 is a V-pulley 6 fixed to the motor 5.
and are connected by a V-belt 7.

The barrel 15 has a barrel inlet 32, which part is connected to the lid 1.
Place 6 with backing 17 to prevent water from leaking.
It closes with a porto 18 that can be opened and closed. Further, the rotating drive shaft 20 and the rotating driven shaft 19 fixed to the barrel 15 are connected to the rotating frame 9 by bearings 21a and 21b.

The drive shaft 10. It is supported so as not to move in the thrust direction of the Y-Y axis, which is perpendicular to the driven shaft 11 . A bevel gear 22 is fixed to one end of this rotating drive shaft 20, and a bearing unit 2 is attached to a nine-rotation frame 9.
It meshes with the bevel gear 23 at one end of the shaft 25 supported by 4a and 24b at right angles. The gear ratio between the bevel gear 22 and the bevel gear 23 is set such that the bevel gear 22 has a larger gear ratio, for example, 2:1. On the driven shaft 11 is a central gear 13 supported by a bearing 12 and a sprocket 14 integrated therewith.

The center gear 13 was rotatably supported on the side surface of the rotating frame 9. via intermediate gear 27.

It meshes with a gear 26 having the same number of teeth as the center gear 13 fixed to one end of the shaft 25.

Further, the sprocket 14 is connected by a chain 31 to a sprocket 3 fixed to a guard model 21 with a brake.

Based on the mechanism described above, the operation of this device will be explained as follows.

First, a mass M (article, abrasive, compound) of 30 to 70% of its internal volume is placed in the barrel 15.

A collection of water, oil, etc.) is charged, and the lid 16 is closed with bolts 18.

When the motor 5 is rotated, the drive shaft 10. Rotating frame9. Since the driven shaft 11 rotates around the XX axis in the rotational direction 1 of the motor 5, for example in the direction of arrow B, the barrel 15 supported by the frame 9 also rotates in the same way.

At this time, the rotation speed N1 of the barrel 15 in the B direction is N1. As shown in FIGS. The cells M1 and M2 are fixed to each other.

At this time, the total diameter of the space of the square in Figure 5 (unit: meters)
The value expressed as d is d. During this rotation, another geared motor 2 with a brake is stopped without rotating.

Even if the driven shaft 11 rotates, the center gear 13 does not rotate, so the shaft 25 supported by the nine-rotation frame 9 does not rotate relative to the rotation frame 9, and the center gear 13. Bevel gear 23. From the gear ratio of the bevel gear 22, the barrel 15 is indicated by arrow C.
It will rotate in the direction at a speed that is % of the rotation speed in the B direction.

Therefore, the centrifugal force due to the rotation of the barrel (arrow C) becomes the moon of the centrifugal force in the rotational direction of arrow B.

As shown in FIG. 6, the masses Mt and M2 flow in the directions of arrows F and G in a state of being divided into two by the rotation of the barrel 15, as shown in FIG. do.

This fluidized bed is in the state of a rotating barrel as shown in Figure 7.

This is similar to the condition of the centrifugal barrel shown in FIG.

However, just as a centrifugal barrel has an extremely higher polishing efficiency than a rotating barrel, the present invention can also achieve a higher polishing efficiency than a 9-rotation barrel by polishing at a high rotational speed.

) Example of this device Barrel inner dimensions diameter 260 pieces Width 100++++n Barrel capacity 5.32 Barrel rotation speed XX axis (direction of arrow B) 300r, p, m.

Y-Y axis (arrow C direction) 150r, p, m.

The rotational speed of the barrel is 1 for the X-X axis blade.For example, if the space of the mass shown in Fig. 5 is 100-, then N:, 1
A rotation speed of 5T = 133.5 r, p, m or more is required, and in the example, good results were obtained at 300 r, p, m. Also, the higher the rotation speed, the stronger the centrifugal force and the higher the polishing efficiency, but depending on the shape of the article and the purpose of finishing, the rotation speed may be increased to a certain degree to prevent deformation or improve the finished surface roughness. There is no need to lower it, in which case you can install a transmission and change the speed.

Also, the rotation speed of the barrel Y-Y axis needs to be changed in the same way as the X-X axis, but when changing the ratio to the rotation speed of the X-X axis, the gear ratio of the bevel gears 22 and 23 or the gear 13 and gear 26, or rotate the geared motor 2t with brake in the direction of arrow H in Fig. 3, the speed will increase with respect to the rotation speed N1 of the X-X axis, or vice versa. You can slow it down by rotating it.

The shape of the barrel 15 may be appropriately selected depending on the shape of a cylinder, various polygons, polyhedral articles, finishing purpose, etc.

[Brief explanation of the drawing]

FIG. 1 is a front view of an apparatus for carrying out the invention, FIG. 2 is a plan view, and FIG. 3 is a side view. However, FIG. 1 is a partial sectional view taken along the two-dot chain line A---A in FIG. FIG. 4 shows a perspective view of the barrel of the invention. FIG. 5 shows a thin cross-section taken along the line XX in FIG. 1 during barrel operation, and FIG. 6 shows the flow state of the mass in the barrel shown in FIG. 1 during operation. FIG. 7 is a diagram showing the state of mass flow in the rotating barrel, and FIG. 8 is a diagram showing the state of mass flow in the centrifugal barrel. 1...Frame 2...Motor 3...
Sprocket 4a, 4b... Below unit 5.
・・Gato-toru 6 with brake・V pulley 7
... V pulley 8 ... V belt 9 ... Rotating frame 10 ... Drive shaft 11 ... Driven shaft
12... Bearing 13... Center gear
14... Sprocket 15... Barrel
16...Lid 17...Packing 18...
Bolt 19...Rotating driven shaft 20...Rotating drive shaft 21a, 21b...Bearing unit 22...
・Bevel gear 23...Bevel gear 24a,
24b... Pillow unit 25... Shaft
26...Gear 27...Intermediate gear 28
...Bearing 29...Intermediate gear 30...
・Balance weight 31...Chain 32・
...Barrel inlet M...Mass X-X...
Axis center Y-Y...Axis center B...Rotation direction C.
...Barrel rotation direction D-D...Barrel side B-E
... Barrel - sides Ml, M2 ... Mass J ... Barrel rotation direction K ... Barrel rotation direction H, I - ... Gear motor with brake rotation direction L ... Barrel revolution direction 5! 7 details (no change in content) 1 Figure 2 1 Figure 1 7 and 1 Procedure Amendment Written by the Commissioner of the Japan Patent Office on March ζ, Showa Δρ, Manabu Shiga 1 , Case Description 1982 Patent Application No. 217.41.
7 No. 2, Title of the invention: Barrel polishing device 3, Applicant address: 3-3-25-4, Akabanedai, Kita-ku, Tokyo, Japan Date of amendment order: January 29, 1985 5: Subject of amendment
Appropriate application, specification, and drawings 6 Contents of amendment As attached

Claims (1)

[Claims] A sealed barrel filled with a predetermined amount of articles, abrasive material, and if desired, water, oil, etc. is rotated at high speed around the central x-axis, and at the same time around the y-axis, which is perpendicular to the x-axis. A barrel polishing device that features rotation.