JPS6040302Y2 - vibrating barrel processing machine - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a vibrating barrel machining machine that is capable of line-machining relatively large, soft workpieces that are prone to dents and impressions without damage.

Conventionally, in order to process this type of workpiece, an annular vibrating barrel processing machine was equipped with a number of separating walls (for example, Japanese Patent Laid-Open No. 52
-92190-1) was developed, but since the barrel of this machine is annular, the time it takes for the mass to go around the barrel is short, and the number of workpieces that can be processed with one machine is also relatively short. It was limited to small quantities.

Therefore, if the barrel was made larger to compensate for the above-mentioned problems, the entire device would become larger, which naturally required a larger space.

In order to eliminate these drawbacks, a long-distance annular barrel with a horizontal bottom was used, and an attempt was made to remotely achieve the above objectives by using a workpiece propulsion control plate, but in this device, charging into the barrel was not possible. Because turbulence occurs in the mass that has been
Even and smooth flow of mass in various parts of the barrel cannot be obtained, and mass stagnation occurs especially in some corners of the barrel. In extreme cases, defects such as mass overflowing outside the barrel at some corners may occur. As a result, a large load was placed on the workpiece propulsion control device, causing problems such as damage to the workpiece, and it could not be put to practical use.

However, in the processing machine of the present invention, a pair or multiple pairs of semicircular barrels facing each other at both ends with a predetermined distance are connected by an equal number of pairs of parallel linear barrels to form a single barrel, and the semicircular barrels By adopting a barrel in which each of the linear barrels has a downward slope in the direction of mass movement, and each of the linear barrels has an upward slope in the direction of movement of the mass, turbulent flow of the mass and stagnation of the mass in a part of the corner can be prevented. We have succeeded in developing a practically usable processing machine that can eliminate all of the above-mentioned drawbacks because it is possible to achieve uniform and smooth flow of the mass within the barrel.

The structure of the vibrating barrel processing machine according to the present invention will be explained below with reference to the attached drawings.

1 and 2 show an embodiment of the present invention, in which a semicircular barrel 3a having a downward slope with respect to the moving direction of the mass is shown.
, 3b and a linear barrel 3c*3d having an upward slope constitute an annular barrel 3, which is suspended on the machine base 1 via a number of springs 2 so as to be able to vibrate.

4 in the figure is the center cylinder of the barrel 3.

Preferably, the barrel has an arcuate bottom in its vertical section.

Although the springs 2 are generally used to have uniform spring constants, the spring constants of the springs 2a (plurality) at both longitudinal ends of the barrel are different from those of the springs 2b at the center of the barrel. It is also possible to make it larger than a constant, or to remove the spring 2b in the center and suspend the barrel only with the springs 2a (plurality) at both ends.

The ratio of the major axis to the minor axis of the annular barrel is 1:2 to 1.
:30 or less can be selected as appropriate, and is determined by the production volume of workpieces or machining time.

Below the center of the barrel 3 is a motor receiving flange 9.
A vibration motor 5 is fixed to the barrel 3 via a motor flange 5a, and unbalanced weights 7 and 8 are fixed to the upper and lower ends of a vertical rotating shaft 6 of the motor, respectively, so that the barrel 3 can be vibrated.

Furthermore, instead of the vibration motor described above, it is also possible to use an oscillator with unbalanced weights fixed to both the upper and lower ends of a vertical rotating shaft, but in this case, the separately manufactured motor is driven by a pulley, belt, etc. The vibration is transmitted to the oscillator and rotated to generate vibration.

Alternatively, a plurality of oscillators are installed on the center line in the longitudinal direction of the barrel with their rotational axes perpendicular, and equal lead angles and eccentric weights are given to the upper and lower ends of the vertical rotational axes of the plurality of oscillators. A plurality of pairs of unbalanced weights are each fixed in the same direction,
Sprockets or pulleys are fixed to the plurality of vertical rotation shafts so that the plurality of pairs of unbalanced weights are continuously rotated in the same direction and synchronously while maintaining the lead angle, and the sprockets or pulleys are fixed to the plurality of vertical rotation shafts. It can also be used in conjunction with a chain or timing belt.

Arrow 23 in Figure 2 is a mass (mixture of workpiece and media)
In this machine, as shown in Figs. 1 and 2, the workpiece and the media are separated at the location where the barrel 3 transitions from a straight barrel to a semicircular barrel. Fixed weir 1 installed at the bottom of the barrel.
0 and the screen 13 installed above the barrel 3 on the downstream side of the mass with respect to the fixed weir 10 and the fixed weir 1
Rotating flap 1 that opens and closes the gap between 0 and the screen 13
A separating device consisting of 1 is provided.

In this way, separation of the workpiece and the media can be performed continuously.

In the figure, 12 is the rotating shaft of the rotating flap, and 14 is the tip of the screen 13.

A strut 1 is provided in the upper space corresponding to the upper opening of the barrel 3.
A rail-shaped guide box 25 supported by 5 is provided, and a control plate shaft housing 29 is installed within the guide box so as to be movable within the box.

Further, a workpiece propulsion control plate shaft 31 with a workpiece propulsion control plate 32 fixed to its lower end is provided in the center of the housing 29 so as to be movable up and down. They are inserted into the barrel at regular intervals.

Details of the above workpiece propulsion control device are shown in FIG. 4.

In the figure, 27 is a hydraulic cylinder fixed to the frame 26 for loading media into the barrel or for lifting the entire workpiece propulsion control device when the workpiece propulsion control board is not required, and 28 is the hydraulic cylinder. It is a piston rod.

This fluid pressure cylinder 27 is not necessarily necessary and may be omitted as shown in FIG.

Further, 35 is a roller guide for moving the workpiece propulsion control plate along the barrel 3, 38 is a roller that slides within the guide 35, and 34 is a roller positioning guide.

5a and 5b are diagrams showing the driving part of the control plate shaft housing 29, and the shaft of the drive motor 36 has a sprocket 37 that meshes with the moving chain 33 of the housing 29.
is fixed.

FIG. 6 is a BB exploded view of FIG. 5, in which the roller guide 35 has been raised on one side of the barrel 3 to pull up the control plate 32 above the barrel.

The workpiece propulsion control plate is shaped in accordance with the vertical cross-sectional shape of the barrel, and various types such as a flat plate, lattice shape, fork shape, etc. can be adopted, and some examples are shown in Fig. 7. .

If necessary, a workpiece loading device may be attached to an arbitrary location on the barrel as shown in FIGS. 8 and 9.

In the figure, 17 is the workpiece feeding direction, 19 is a roller, and 21a
, 21b is a stopper of the workpiece, and 22 is a hydraulic cylinder.

The above-mentioned feeding device is a roller conveyor type,
In order to ensure that the workpieces are loaded one by one, an intermittent conveyance device and rollers shown in FIG. 10 may be used in place of the combination of the hydraulic cylinder and stopper shown in FIG. 9.

A base 40 in the figure is a foundation on which the entire tower is mounted, and is fixed on the floor.

As shown in FIG. 10, workpieces 16a, 16b, and 16c are mounted on the fixing table 41 of the base 40 so that they can be moved by -pitch P by a mechanism described later. As is clear from FIG. 11, there are a plurality of pins 64, 64 at positions 16a, 16b, etc.
is fixed, and the moving workpiece is held within the pin.

A plurality of (the figure shows two) roller support stands 42a, 42b are fixed to the lower part of the base 40, each of which has a pair of rollers 43a, 44a, 4.
3b and 44b are rotatably mounted.

Each roller 43a. 44a: Between 43b and 44b, a transport device support stand 45 is attached so as to be able to slide left and right.

The roller rotates when the support base 45 slides and has a friction-reducing effect.

A plurality of cylinder bearings 46a and 46b (two bearings are shown in the figure) are provided on the carrier support stand 45, and the inside is connected to a shaft 47a,
47b is slidably attached.

A conveyance piece 48 is fixed to the upper ends of the shafts 47a and 47b.

Lifting pieces 49a and 49b are attached to the conveying piece 48 in close proximity to the bearings 46a and 46b so as to be rotatable by a small angle,
It is attached so as to be rotatable in a small angle with other lifting pieces 50a and 50b which are similarly attached to the conveyor support base 45 so as to be able to rotate in a small angle, and a connecting rod 51 connects these lifting pieces 49.
a, 50a and 49b.

50b with a pin or the like so that it can rotate by a small angle.

One end of the connecting rod 51 is fixed to a piston rod 53 of a fluid pressure (hydraulic or pneumatic) cylinder 52 .

Further, a conveyor support stand 45, a conveyor piece 48, and a connecting rod 51
Lifting piece connecting 49at 50at 49bt
50b is the piston rod 53 of the fluid pressure cylinder 52
When it is at the left end as shown in Figure 10, it forms a dogleg shape, and when it protrudes, it forms a straight line.

That is, at the time of protrusion, the conveyance piece 48 rises.

A stator 55 is fixed below the transport device support stand 45. A fluid pressure cylinder 5 is installed horizontally to the waist stator 55.
The piston rond 56 end of No. 4 is fixed.

In other words, it is clear from Fig. 10 that the piston rod 5
6 moves left and right, the transport device support stand 45,
That is, the conveyance piece 48 moves left and right.

Stoppers 57a and 57b are provided at the left and right ends of the base 40 to regulate the extreme positions of left and right movement of the transport device support 45.

As shown in FIG. 11, a plurality of pins 65, 65 are fixed to the upper end of the conveying piece 48, and the piston rod 53
The movement of the piston rod 56 causes the workpiece 16 to rise to the position 16d in FIG.

Now, based on the above structure, the operation of the device of the present invention will be explained.

Media is charged into the barrel 3 to its full capacity, and when vibration is applied to the barrel 3 by driving the motor 5, the media moves circularly within the vertical cross section of the barrel 3 and rotates. It moves in translation in the direction of arrow 23 in Figure 2.

Inside the barrel 3, respective housings 29 are arranged at regular intervals.
A large number of workpiece propulsion control plates 32 are inserted into the workpiece, and one workpiece is inserted between adjacent propulsion control plates from the direction of arrow 17 in Fig. 8 by the feeding device 19 shown in Figs. They are loaded one by one and processed while being moved inside the barrel 3 at a constant speed in the direction of the arrow 23 in FIG. 2 by the movement of the propulsion control board.

When the workpiece and media are transported to the separation device, they are pushed up onto the screen 13, where the workpiece is separated from the media and discharged from the system through the screen tip 14 and sent to the next process, and the media is placed inside the barrel. It is returned and the circular motion is repeated.

The propulsion control plate 32 drives the chain 33 meshed with the sprocket by driving the motor 36 shown in FIG. 5, and circulates within the barrel 3 as the housing 29 fixed to the chain 33 moves.

Further, by installing a roller guide 35 in the shape shown in FIG. 6 near the separation device, the control plate 32 is raised and does not come into contact with the separation device.

The charging device 19 also includes fluid pressure cylinders 22 and 2.
Stoppers 21a and 21b are provided so that the workpieces 6 can be introduced one by one in accordance with the movement of the control plate 32.

That is, when the limit switch 24 detects the approach of the control plate 32 and sends a signal, the piston rod of the fluid pressure cylinder 22 retreats, and the stopper 21a lowers to move the workpiece 1.
6a is put into the barrel 3, then the hydraulic cylinder 2
If the second piston rod is projected, the workpiece 16b will be stopped by the rise of the stopper 21a, so that two workpieces will not be thrown into the barrel at the same time.

In addition, instead of this mechanism, an intermittent conveying device as shown in Fig. 10 may be provided, and by linking this device with the signal of the limit switch, it is possible to more reliably feed the workpieces at fixed time intervals. .

As mentioned above, the vibrating barrel processing machine of the present invention can perform line processing at fixed time intervals on relatively large workpieces and soft and easily damaged workpieces in an undamaged state, making it extremely effective in industrial applications. It has the following.

Furthermore, the present invention has slopes in the semicircular barrel and the straight barrel, which has the effect of preventing mass turbulence and retention of mass at some corners.

In addition, since the workpiece propulsion control board is installed so that it can be raised and lowered, relatively large workpieces and soft workpieces can be polished separately from each other as necessary, and damage can be prevented beforehand and line processing can be carried out. be.

[Brief Description of the Drawings] Fig. 1 is a front view showing an embodiment of the vibrating barrel processing machine of the present invention, Fig. 2 is a partially omitted plan view, and Fig. 3 is the A of Fig. 2. 4 is a sectional view showing an example of a workpiece propulsion control device; FIGS. 5a and 5b are explanatory views of a control plate shaft housing drive device; Figure 6 is a B-B development view of Figure 5 and Figure 7a. b, c, d, e, f are diagrams showing other examples of the workpiece propulsion control board, Figure 8 is a plan view showing the vicinity of the workpiece loading device and separation device, and Figure 9 a, b, c are FIG. 10 is a side view showing an example of a conveying device, and FIG. 11 is a sectional view of the same. 1...Machine, 2v 2at 2b...
...Spring, 3.3a, 3b, 3c, 3d...
... Barrel, 4 ... Center cylinder of the barrel, 5 ...
... Oscillator or vibration motor, 5a ... Motor flange, 6 ... Vertical rotation axis, 7, 8 ...
...Unbalanced weight, 9...Motor holder is flange, 10...Fixed weir, 11...Flap, 12...Flap shaft, 13...
... Screen, 14 ... Screen tip, 15 ... Support column, 16.16a, 16b, 16
c, 16d = workpiece, 17...arrow, 19...
... Loading device, 20 ... Roller, 21
a, 21 b-Stopper, 22...Fluid pressure cylinder, 23...Arrow, 24...
・Limit switch, 25...Guide box, 26...Frame, 27...Fluid pressure cylinder, 28...Zeston rod, 29...
... Control plate shaft housing, 30 ... Guide, 31 ... Workpiece propulsion control plate shaft, 32 ...
... Workpiece propulsion control board, 33 ... Movement chain, 34 ... Roller positioning guide, 35
...Roller guide, 36 ... Drive motor, 37 ... Sprocket wheel, 38
...Roller 40...Base, 41.
...Fixed stand, 42as 42 b'' Roller support stand, 43a, 43by 44a, 44b...
・Roller, 45...Transport device support stand, 46a
, 46b...Bearing, 47a. 47b...Shaft, 48...Transportation piece, 49
a, 49b, 50a, 50b... Lifting piece, 51
...Connection rod, 52...Fluid pressure cylinder, 53...Zeston rod, 54...
Fluid pressure cylinder, 55...Stator, 56...
... Zeston rod, 57a, 57b...
...Stopper, 58a, 58b...Dog,
59...One end of the transport device support stand, 60a, 60
b...Dog, 61,62.63...
Arrow, 64° 65... Zen, P... Workpiece movement - pitch distance.

Claims (1)

[Claims for Utility Model Registration] 1. A pair or multiple pairs of semicircular barrels each having a downward slope in the direction of mass movement and facing each other at a predetermined interval; A plurality of pairs of parallel linear barrels are connected to form an integrated barrel, and the barrels are installed on the machine stand via a spring and are vibrated by a vibration source to machine the workpiece. In the vibrating barrel processing machine, a guide box is provided so as to be movable up and down corresponding to the upper opening of the barrel, a control plate shaft housing is movably held in the guide box, and the workpiece propulsion is controlled from the control plate shaft housing. A vibrating barrel processing machine characterized in that a plate is suspended vertically and a separating device for separating media and a workpiece is installed at an arbitrary location on the barrel. 2. The vibrating barrel processing machine according to claim 1, wherein the guide box is comprised of a guide for the control plate shaft housing, a moving chain, a motor for driving the chain, and a sprocket wheel. 3. Utility model registration claim 1 or 2, characterized in that the control plate shaft housing includes a member that locks the moving chain and a roller that comes into contact with the guide.
Vibrating barrel processing machine as described in section. 4. Utility model registration claim 1, characterized in that the separation device is composed of a fixed weir installed at the bottom of the barrel, a screen installed above the barrel, and a rotating flap that opens and closes between the fixed weir and the screen. vibrating barrel processing machine. 5. A registered utility model characterized in that the barrel installed on the machine base is suspended by a number of springs, and the spring constants at both longitudinal ends of the barrel are larger than the spring constant at the center of the barrel. A vibrating barrel processing machine according to claim 1. 6. The vibrating barrel processing machine according to claim 1, wherein the barrel installed on the machine base is suspended only by a plurality of springs at each end thereof. 7. The vibrating barrel processing machine according to claim 1, wherein the vibration source is a single oscillator installed at the lower center of the barrel. 8 The vibration source is a plurality of oscillators installed on the center line in the longitudinal direction of the barrel with their rotation axes perpendicular, and equal lead angles and eccentric weights are applied to the upper and lower ends of the vertical rotation axes of the plurality of oscillators. A plurality of pairs of unbalanced weights are each fixed in the same manner, and the plurality of pairs of unbalanced weights are rotated continuously in the same direction and synchronously while maintaining the lead angle. The vibrating barrel processing machine according to claim 1, which is a registered utility model, characterized in that a sprocket or pulley is fixed to a vertical rotating shaft, and the sprocket or pulley is connected by a chain or a timing belt.