JPS5847305B2 - Horizontal barrel polishing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a horizontal barrel polishing machine (hereinafter referred to as a barrel polishing machine), and more particularly to a barrel polishing machine in which the drive speed of a plurality of revolving barrel tanks can be independently changed.

Many of the components of precision machinery, such as watch components, automobile parts, and bearing structures, are now polished using barrel polishing machines, and in order to improve the efficiency of the work, the machines are capacity is gradually increasing.

However, conventional polishing machines are often of the single-tank type, and even if they are of the multi-tank type, each barrel tank is of the type that rotates around the main shaft at the same rotational speed. Ta.

By the way, in polishing work, the finished state of polishing the component parts of the precision machine that is the object to be polished depends not only on the material of the part, the size and shape of the abrasive or polishing stone, and their capacity, but also on the rotation speed of the barrel tank. Moreover, as mentioned above, there are various kinds of objects to be polished, so it is preferable that one polishing machine has a plurality of barrel tanks, and each tank can rotate at a different rotational speed. The advent of polishing machines was highly needed in the industry.

The present invention was made in view of the above circumstances, and firstly, a single polishing machine is used to rotate a plurality of barrel tanks at different rotational speeds, and each tank is made to revolve around a single main axis. The aim is to provide a new type of barrel polishing machine.

Hereinafter, a barrel polishing machine according to the present invention will be explained according to the drawings.

FIG. 1A shows a front view of the barrel polishing machine, FIG. 1B shows a partially cutaway plan view thereof, and FIG. 1C shows a right side view.

In the figure, reference numeral 100 denotes a thick circular plate arranged symmetrically and vertically at a predetermined interval, and four barrel tanks 101A are arranged between the two circular plates 100 and 100.

101B, 101C, and 101D are rotatably mounted at symmetrical positions with respect to the center of the disk.

That is, the barrel tank 101A has a tank main shaft 103.
A is attached, and the main shaft of the tank is rotatably supported by a bearing 102A attached to the disk 100.

Each barrel tank is a hexagonal cross-section tank with a capacity of about 800 ml, and has two input holes 104A at predetermined positions on its surface for inputting and discharging objects to be polished and polishing stones.
Two water washing holes 105A are provided for internal water washing, and each is provided with a lid.

Also, a sprocket 106 is located at the left end of the tank main shaft 103A.
A is fixed to this, and a chain 7110A for causing the barrel tank to rotate is engaged and connected by means to be described later.

The four connecting rods 107 are fixed as bridges between the two rotating plates in order to support the heavy objects such as barrel tanks and the like and to strengthen the rotating side disks.

However, other barrel tanks 101B, 101C and 1
The structural shape and arrangement of the tank 01D on the disk are substantially the same as the barrel tank 101A.

The sprocket for driving the Tamashi barrel tank is 101.
Unlike the case of a human being, the sprocket N06C of the barrel tank 101C is attached to the left side, that is, the outer side, of the sprocket 106A for reasons explained later, and corresponds to this (i.e., the leftmost end of the tank main shaft 103C). barrel tank 101B and 1
The sprockets h106B and 106D of 01D are mounted on the opposite side to the above, that is, on the right end of each tank main shaft, and 106D is mounted further to the right end than 106B.

On the other hand, at the bottom of the barrel polishing machine, there is a rectangular base 200 that supports the entire polishing machine, and at the left and right ends of the base 200, two-plate side walls 201 having an elongated U-shaped cross section are erected. At the same time, a back plate 202 is erected on the back thereof, and 200, 201, and 202 are fixedly connected by appropriate means such as screwing or welding, and the whole constitutes an integrated frame shaped like a chair. .

(A part of the back plate is omitted in FIG. 1A for ease of explanation.

Four disc supports 203 are erected on the base 200, and a rotatable roller 20 is mounted on the top of the disc support.
4 is pivotally mounted, and the four rollers support the S disk while slidingly rotating as the disk rotates.

Further, the front inclined part 201A of the side wall is provided with an operation panel 205 that houses the start, stop, forward/reverse switch for each motor, a timer for setting the operating time, etc., which will be described later. This allows workers to easily operate it.

Further, a revolution main shaft 108 of the machine is provided through the center of the side disk, and the revolution main shaft 108 is connected and fixed to a main shaft flange 109 provided inside the disk, for example, by a key.

Therefore, the above-mentioned revolution main axis 108 is located on the flat part of both side walls 201.
A main shaft bearing 111 is provided, which is a pillow block that absorbs vibrations and is rotatably mounted.

The lift fixing plate 214 attached to the side wall is for safely fixing a lift (not shown) for loading workpieces into the tank.

On the other hand, there is a brake cover 215 at the left end of the revolving main shaft, and an air cylinder 215 is installed at the inner lower end of the brake cover 215 by appropriate means.
6 is seated and fixed, and two opposing brakes 207 are slidably connected to both ends of the brake lever 6 with 208 as a fulcrum.

A brake shoe 209 is attached to the upper curved part of the brake, and the large-diameter brake wheel 210 provided at the leftmost end of the revolution main shaft 108 can be braked by pressure using air press-fitted from an external air compressor. ing.

There are three motor mounting plates 211°212.2 at the rear of the back plate.
13 is fixed to this, 211 is a revolving spindle motor 216, and 212 and 213 are two tank drive motors 115A and 115B.

115C and 115D are each fixed, and these sprockets are connected to their corresponding driven sprockets by chains 7, as will be described later.

Note that the knob 217 is a knob for changing the speed of these motors.

FIG. 2 is an explanatory view of the main parts of a mechanism for independently driving a plurality of revolving barrel tanks to rotate once, and for ease of explanation, the barrel tank 101A is shown in the figure.

Only 101C is shown.

That is, as described above, the two disks 100 are attached to the main shaft flange 109 on the revolving main shaft 108 which is mounted on the main shaft bearing 111.
The bearing 10 is fixed to the disk 100 through the bearing 10.
2A and 102C each have 1 barrel tank 101
A and 101C are supported.

The sprockets 1 to 112A for driving the barrel tank 101A are double sprockets having the shape of a square as shown in the figure, and are rotatably attached to the revolving main shaft 108 via a bearing 113.

The inner sprocket of the double sprocket l-112A has a smaller diameter than the outer sprocket, and the sprocket is connected to the sprocket 106 through the chain 7110A.
Connected to A, the outer large diameter sprocket is Cheno 114
It is connected to the sprocket of the tank drive motor 115A via A.

On the other hand, a double sprocket N12C for driving the barrel tank 101C is narrower than the double sprocket 112A, and is rotatably attached above it as shown.

This double sprocket N12C is also similar to the double sprocket l-112A, the inner sprocket has a smaller diameter than the outer sprocket, and the sprocket is connected to the sprocket N06 through the chino 110C.
C, and the outer large diameter sprocket is Cheno 114
It is connected to the sprocket of the tank drive motor 115C via C.

However, as described above, the sprocket connected to the tank drive motor has a large diameter and is placed on the outside, while the sprocket connected to the barrel tank has a small diameter and is placed on the inside, so that the barrel tanks 101A and 1
01C rotates on its axis, but is also constrained by the disk and revolves around it.

In addition, it is i1 that the barrel tank 101B101D can reliably rotate and revolve with each sprocket installed on the right side.
This is clear from the explanation up to ■.

That is, the present invention is a horizontal hole barrel polishing machine in which a plurality of barrel tanks are restrained by rotating disks provided on both sides and rotate in an X direction, and each barrel tank can drive and change speed independently. This can greatly contribute to improving work efficiency.

[Brief explanation of the drawing]

FIG. 1A is a front view of a barrel polishing machine according to the present invention, and FIG. 1B is a front view of a barrel polishing machine according to the present invention.
2 is a partially cutaway plan view of the same, FIG. 100...Disc, 10IA, 101B, 10I
C. 101D barrel tank, 102A, 102C...
・Bearing, 103A, 103C...tank main shaft,
106A...Sprocket, 107...
・Connecting rod, 108... Revolution main axis, 111...
...Main shaft bearing, 112A, 112C...Double sprocket, 113...Bearing, 114A,
C... Cheno, 115A, B, C, D...
...Tank drive motor, 200...Foundation stand,
201... Side wall, 202... Back plate, 2
03... Disc support, 204... Roller, 205... Operation panel, 206... Air cylinder, 207... Brake, 208...・・・
...Fully point, 209...Brake shoe 21
0...Brake wheel, 211-213...
・Motor mounting plate, 214... Lift fixing plate, 2
15... Brake cover 216...
Motor for revolution spindle, 217...Knob.

Claims (1)

[Claims] 1. In a horizontal hole barrel polishing machine with multiple barrel tanks, there is a double sprocket with a small diameter on the inside, and a double sprocket with a small diameter on the inside, which is narrower than the double sprocket. There is a type double sprocket, the former double sprocket is rotatably attached to the revolving main shaft, and the latter double sprocket is rotatably attached to the former double sprocket, both of which have large diameter sprockets. A horizontal hole barrel polishing machine characterized by being drivingly connected to a separate motor and to each separate barrel tank by means of a small diameter inner sprocket.