JP6779429B2 - Sorting and decompressing device for barrel grinder - Google Patents

Description

The present invention relates to a sorting and depressurizing device for a barrel polishing machine, which is installed in a barrel polishing machine such as an existing rotary barrel polishing machine or a centrifugal barrel polishing machine to assist a barrel polishing operation.

Conventionally, a barrel polishing machine has a technique described in, for example, Patent Document 1. In this technology, after barrel polishing, the polishing stone and the work to be polished are discharged from the barrel tank, then the polishing stone and the work are sorted, only the work is taken out, and the barrel is polished again. Therefore, the pressure reducing device is used in the barrel tank. By sucking air and depressurizing the inside of the barrel tank, the abrasive stone is sucked and transferred into the barrel tank.

In such a barrel polishing machine, it is common that a sorting device, a decompression device, or the like is usually incorporated in the barrel polishing machine main body from the time of introduction.

Japanese Patent No. 3763408

However, as a conventional barrel polishing machine, there is also a barrel polishing machine in which a sorting device, a decompression device, or the like is not incorporated in the barrel polishing machine body from the time of introduction. In such a barrel polishing machine in which a sorting device, a depressurizing device, or the like is not installed, installation work is required when the sorting device, the depressurizing device, or the like is retrofitted. This installation work is a large-scale and difficult work.

Therefore, the current situation is that retrofitting a sorting device, a decompression device, or the like after the introduction of the barrel polishing machine has not been performed from the viewpoints of both the difficulty of the mounting work and the mounting cost.

The present invention has been made in consideration of the above-mentioned circumstances, and is a sorting and depressurizing device for a barrel polishing machine that makes it possible to attach a sorting device, a depressurizing device, etc. to an existing barrel polishing machine that only performs barrel polishing. The purpose is to provide.

In order to achieve the above object, the sorting and depressurizing device for a barrel polishing machine of the present invention is installed so as to be attached to a barrel polishing machine having a barrel tank in which a work and a polishing stone are put and the work is polished, and barrel polishing is performed. A sorting device that receives the work and the polishing stone discharged from the barrel tank after completion and sorts the work and the polishing stone, and a sorting device that is connectable to the barrel tank and sucks air in the barrel tank. The barrel tank is decompressed, and the polishing stone sorted by the sorting device is transferred into the barrel tank. The decompression device is attached to and detached from the sorting device and the barrel tank. A transfer hose that is connectable and that transfers the abrasive stone that has been sorted by the sorting device to the barrel tank, a suction hose that is detachably connected to the barrel tank at one end, and the suction hose. The device body is provided with an end connected to which the air in the barrel tank is sucked and depressurized through the suction hose, and the sorting device rectifies the flow of the abrasive stone at a connection port with the transfer hose. It is characterized in that a plate-shaped guide spring is installed so as to extend in the radial direction of the connection port .

According to the sorting and depressurizing device for a barrel polishing machine of the present invention, it is possible to attach a sorting device, a depressurizing device, and the like to an existing barrel polishing machine that only performs barrel polishing processing extremely easily.

An exploded perspective view showing an embodiment of a sorting and depressurizing device for a barrel polishing machine according to the present invention. The perspective view which shows the installation state of the sorting decompression device for a barrel polishing machine of one Embodiment. The perspective view which shows the sorting apparatus of FIG. The plan view which shows the sorting apparatus of FIG. FIG. 2 is a schematic cross-sectional view showing the sorting device of FIG. The enlarged perspective view which shows the main part of the polishing stone storage part of the sorting apparatus of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is an exploded perspective view showing an embodiment of a sorting and depressurizing device for a barrel polishing machine according to the present invention. FIG. 2 is a perspective view showing an installed state of the sorting and depressurizing device for a barrel polishing machine according to the embodiment. FIG. 3 is a perspective view showing the sorting device of FIG. FIG. 4 is a plan view showing the sorting device of FIG. FIG. 5 is a schematic cross-sectional view showing the sorting device of FIG. FIG. 6 is an enlarged perspective view showing a main part of the polishing stone storage portion of the sorting device of FIG.

In the following embodiment, an example applied to an existing rotary barrel polishing machine that performs only barrel polishing processing will be described. It is assumed that only the barrel tank is incorporated in the barrel polishing machine main body from the time of introduction of this rotary barrel polishing machine, and the sorting device, the decompression device and the like are not incorporated.

As shown in FIGS. 1 and 2, only the barrel tank 2 is incorporated in the existing rotary barrel polishing machine 1. The sorting device 20 and the depressurizing device 30 of the present embodiment are retrofitted to the existing rotary barrel polishing machine 1.

A work to be polished and a polishing stone are put into the barrel tank 2 of the rotary barrel polishing machine 1 to polish the work. The barrel tank 2 is supported by the frame 3. The barrel tank 2 includes a barrel tank main body 4 and a barrel lid 5, and a rotating shaft 6 is attached to the center positions of both end faces of the barrel tank main body 4 so as to rotate. A pulley (not shown) is attached to the rotating shaft 6, while a pulley (not shown) is attached to the output shaft of the motor 7, and a belt (not shown) is hung around these pulleys.

Therefore, in the present embodiment, when the motor 7 is rotationally driven, the barrel tank 2 is rotated by rotating the rotary shaft 6 via the pulley attached to the motor 7, the belt, and the pulley attached to the rotary shaft 6. It is configured to drive.

The barrel tank 2 has an opening 4a having a hexagonal cross section and a barrel tank body 4 formed over the entire length of the body surface in the length direction. The barrel lid 5 is installed in the opening 4a so as to be closed in a sealed state. The barrel lid 5 is formed in a rectangular plate shape, and connection ports 8 and 9 leading to the inside and outside of the barrel tank 2 are installed side by side at predetermined intervals in the lateral direction.

One end of the flexible transfer hose 10 is connected to the connection port 8, and the other end of the transfer hose 10 is connected to the connection port 21 of the sorting device 20. One end of the flexible suction hose 11 is connected to the connection port 9, and the other end of the suction hose 11 is connected to the connection port 31 of the decompression device 30. When barrel polishing is performed, a flat barrel lid (not shown), which is not provided with connection ports 8 and 9 leading to the inside and outside of the barrel tank 2, is closed at the opening 4a.

Below the barrel tank 2, a work to be polished and a shooter 12 as a discharge port for polishing stones are installed. The shooter 12 guides the work and the polishing stone polished by the barrel tank 2 to the vibrating car 22 of the sorting device 20. An operation panel 13 of the rotary barrel polishing machine 1 is installed adjacent to the shooter 12. The operation panel 13 is provided with various switches such as a drive switch for driving the rotary barrel polisher 1 or a stop switch for stopping the drive of the rotary barrel polisher 1.

The sorting device 20 is installed so as to be attached to the rotary barrel polishing machine 1, and receives the work and the polishing stone discharged from the barrel tank 3 after the barrel polishing is completed through the shooter 12 to sort the work and the polishing stone.

Specifically, the sorting device 20 has a main body case 23 as shown in FIGS. 1 to 5, and the main body case 23 has moving wheels 24 attached to the lower four corners, respectively. Casters with stoppers are used for these moving wheels 24. The main body case 23 and each moving wheel 24 are connected via a screw shaft (not shown) as a height adjusting mechanism, and by adjusting the screwing degree of the moving wheel 24 by these screw shafts, the main body case 23 is moved up and down. It is configured to change position. As a result, the sorting device 20 can adjust the height with respect to the installation height of the shooter 12 that discharges the work and the polishing stone from the barrel tank 2.

As shown in FIGS. 1 and 3 to 5, a vibration motor 25 is installed in the sorting device 20, and the vibration car 22 vibrates when the vibration motor 25 is driven. The vibrating car 22 is formed in a rectangular tray shape as shown in FIGS. 3 and 4. The vibrating car 22 has a larger diameter than the polishing stone, and a large number of holes 22a having a diameter smaller than that of the work to be polished are continuously formed in the vertical direction and the horizontal direction.

In the sorting device 20, as shown in FIGS. 5 and 6, a polishing stone storage unit 26 is installed directly below the vibrating car 22. The polishing stone storage unit 26 is formed in a rectangular tray shape, and stores the polishing stone that has fallen from the hole 22a of the vibrating car 22. As shown in FIG. 6, the abrasive stone storage unit 26 is formed with an inclined surface 26a that is inclined toward a connection port 21 with a transfer hose, which will be described later, which is a discharge port, as shown in FIG. As a result, the polishing stone that has fallen from the hole 22a of the vibrating car 22 is smoothly guided to the connection port 21 without being stuck.

As shown in FIG. 6, one thin plate-shaped guide spring 27 as a rectifying member is installed in the connection port 21 of the sorting device 20 in the radial direction. The guide spring 27 has a function of rectifying the flow of a large amount of abrasive stones that have fallen from the hole 22a of the vibrating car 22. Specifically, by installing the guide spring 27 at the connection port 21, a small space portion is formed on the downstream side of the flow of the abrasive stone of the guide spring 27. A large amount of abrasive stones flowing through this space can be smoothly transferred without blocking the connection port 21.

The sorting device 20 has an operation panel 28 installed on the upper part of the main body case 23. The operation panel 28 is provided with various switches such as a drive switch for driving the sorting device 20 and a stop switch for stopping the driving of the sorting device 20.

The decompression device 30 is installed so as to be connectable to the barrel tank 2 via a suction hose 11, sucks the air in the barrel tank 2 to depressurize the inside of the barrel tank 2, and barrels the polished stones sorted by the sorting device 20. Transfer to tank 2.

Specifically, the decompression device 30 is detachably connected to the barrel tank 2 and is connected to the transfer hose 10 for transferring the abrasive stones sorted by the sorting device 20 to the barrel tank 2 and the barrel tank 2. The suction hose 11 is detachably connected at one end, and the device main body 32 is connected to the other end of the suction hose 11 and sucks air in the barrel tank 2 through the suction hose 11 to reduce the pressure. The apparatus main body 32 includes suction means such as a vacuum pump (not shown) that sucks the air in the barrel tank 2. This suction means is operated by driving a suction motor (not shown).

Here, the transfer hose 10 and the suction hose 11 are used when the polishing stones sorted by the sorting device 20 are transferred to the barrel tank 2. When performing barrel polishing, the transfer hose 10 and the suction hose 11 are removed, and the flat barrel lid not provided with the connection ports 8 and 9 described above is closed in the opening 4a.

The device main body 32 has moving wheels 33 attached to the lower four corners, respectively. As for these moving wheels 33, casters with stoppers are used in the same manner as the moving wheels 24 of the sorting device 20. The device main body 32 and each of the moving wheels 33 are connected via screw shafts (not shown) as a height adjusting mechanism, and the screwing degree of the moving wheels 33 is adjusted by these screw shafts to raise and lower the device main body 32. It is configured to change position.

Next, the operation of this embodiment will be described.

First, the sorting device 20 and the depressurizing device 30 are conveyed to the vicinity of the existing rotary barrel polishing machine 1 that performs only barrel polishing using the moving wheels 24 and 33, respectively. In this case, the decompression device 30 is installed in a vacant place near the rotary barrel polishing machine 1 in a place that is easy to handle.

Next, in the rotary barrel polishing machine 1, the work to be polished and the polishing stone are put into the barrel tank 2, and the opening 4a is closed by the flat barrel lid. Then, the drive switch of the operation panel 13 is operated to drive the motor 7, and the barrel tank 2 is rotationally driven to polish the work. After polishing for a predetermined time, the stop switch is operated to stop the drive of the motor 7 and stop the rotary drive of the barrel tank 2. In this case, a timer may be provided so that the driving of the motor 7 is stopped after polishing for a predetermined time.

After polishing the work, the sorting device 20 is moved so that the vibrating car 22 is arranged below the shooter 12 of the rotary barrel polishing machine 1. In this case, the sorting device 20 adjusts the height with respect to the installation height of the shooter 12 by the height adjusting mechanism, so that the work and the polishing stone can be easily received. After installation, the sorting device 20 and the depressurizing device 30 are positioned so as not to move from the installation position by using the stoppers of the moving wheels 24 and 33, respectively. The flat barrel lid is removed from the opening 4a, and the work and the polishing stone are discharged to the shooter 12 from the opening 4a of the barrel tank 2.

After that, the barrel lid 5 is closed to the opening 4a of the barrel tank 2, one end of the transfer hose 10 is connected to the connection port 8, and the other end of the transfer hose 10 is connected to the connection port 21 of the sorting device 20. Further, one end of the suction hose 11 is connected to the connection port 9, and the other end of the suction hose 11 is connected to the connection port 31 of the decompression device 30. Here, one end of the transfer hose 10 may be connected in advance to the connection port 8 of the barrel lid 5, and one end of the suction hose 11 may be connected in advance to the connection port 9.

Further, the drive switch of the sorting device 20 and the drive switch (not shown) of the decompression device 30 are operated to drive the vibration motor 25 of the sorting device 20 and the suction motor provided in the decompression device 30.

Next, the work and the polishing stone are discharged from the shooter 12 to the vibrating car 22 using a scraping scoop or the like. That is, the work and the polishing stone are received in the vibrating car 22 of the sorting device 20 via the shooter 12. Here, in the sorting device 20, the vibration motor 25 has already been driven to swing the vibration car 22, and the work and the polishing stone are sorted.

Specifically, since the vibrating basket 22 has a large number of holes 22a having a diameter larger than that of the polishing stone and a diameter smaller than that of the work, the polishing stone gradually falls into the polishing stone storage unit 26, and only the work is formed. Is left in the vibrating basket 22. The vibrating car 22 is configured so that it can be pulled out from the main body case 23, and after all the polishing stones have fallen into the polishing stone storage unit 26, it can be pulled out and the works can be taken out together.

Here, the suction motor provided in the decompression device 30 is driven, and the air in the barrel tank 2 is sucked and decompressed. Therefore, the polishing stone that has fallen into the polishing stone storage unit 26 is sucked into the barrel tank 2 from the connection port 21 through the transfer hose 10 in sequence.

At that time, since a large amount of abrasive stones are accumulated in the connection port 21, there is a possibility that the connection port 21 will be blocked. In order to prevent this, in the present embodiment, as described above, the guide spring 27 is installed at the opening end of the connection port 21 on the sorting device 20 side, and a space is always provided on the downstream side of the guide spring 27. .. Therefore, since a space is always formed on the downstream side of the guide spring 27, the flow of the polishing stones becomes a laminar flow and smoothly enters the barrel tank 2 without being clogged even if a large amount of polishing stones are sucked all at once. Will be sucked into.

Further, after all the abrasive stones are sucked into the barrel tank 2, the stop switch of the sorting device 20 and the stop switch (not shown) of the decompression device 30 are operated to operate the vibration motor 25 of the sorting device 20 and the decompression device 30. Stop the suction motor.

Next, the barrel lid 5 is removed from the opening 4a of the barrel tank 2, the work to be polished is put into the barrel tank 2 from the opening 4a, and the opening 4a is closed by the flat barrel lid. Then, the drive switch of the operation panel 13 is operated to drive the motor 7, and the barrel tank 2 is rotationally driven to polish the work. After polishing for a predetermined time, the stop switch is operated to stop the motor 7 and stop the rotary drive of the barrel tank 2. Hereinafter, the same operation as described above is repeated until the polishing of the polishing stone is completed.

As described above, according to the present embodiment, the work and the polishing stone are put in and installed so as to be attached to the rotary barrel polishing machine 1 having the barrel tank 2 for polishing the work, and are discharged from the barrel tank 2 after the barrel polishing is completed. A sorting device 20 that accepts the work and the polishing stone and sorts the work and the polishing stone, and a sorting device that is connected to the barrel tank 2 and sucks the air in the barrel tank 2 to reduce the pressure in the barrel tank 2 Since it is provided with a decompression device 30 for transferring the polishing stones selected in No. 20 into the barrel tank 2, it is not necessary to perform a large-scale mounting work on the existing rotary barrel polishing machine 1 that only performs barrel polishing. The sorting device 20, the depressurizing device 30, and the like can be attached extremely easily.

Further, according to the present embodiment, since the sorting device 20 and the depressurizing device 30 are equipped with moving wheels 24 and 33, which are movable, respectively, the sorting device 20 and the depressurizing device 30 can be easily moved. It can be installed and the degree of freedom of installation can be increased.

Further, according to the present embodiment, the sorting device 20 has a height adjusting mechanism that allows the height of the work of the barrel tank 2 and the shooter 12 of the polishing stone to be adjusted, so that the height of the shooter 12 is adjusted. Can be attached to different barrel grinders, improving versatility.

Then, according to the present embodiment, the decompression device 30 is detachably connected to the sorting device 20 and the barrel tank 2, and the transfer hose 10 that transfers the polished stones sorted by the sorting device 20 to the barrel tank 2. The suction hose 11 having one end detachably connected to the barrel tank 2 and the other end of the suction hose 11 are connected to the device main body 32 that sucks the air in the barrel tank 2 through the suction hose 11 to reduce the pressure. By changing the length of the suction hose 11 according to the installation location of the barrel polishing machine, it is possible to increase the degree of freedom in installing the decompression device 30.

According to the present embodiment, the sorting device 20 is provided with a guide spring 27 that rectifies the flow of the polishing stones in front of the connection port 21 with the transfer hose 10, so that a large amount of polishing stones are sucked all at once. Even if it is squeezed, the polishing stone can be smoothly transferred into the barrel tank 2 without being clogged.

The present invention is not limited to the above embodiments, and various modifications can be made. For example, in each of the above embodiments, an example in which one sorting device 20 and a depressurizing device 30 are installed for one rotary barrel polishing machine 1 has been described, but the present invention is not limited to this, and a plurality of rotating barrel polishing machines 1 are not limited to this. A single sorting device 20 and a depressurizing device 30 may be installed.

Further, in the above embodiment, the latch metal fitting is fixed to either one of the sorting device 20 and the decompression device 30, a hook metal fitting that engages with and locks the latch metal fitting is provided on one of the latch metal fittings, and the hook metal fitting is attached to the latch metal fitting. When engaged and locked, the sorting device 20 and the decompression device 30 can be moved integrally. This makes it possible to improve handling workability.

Further, in the above embodiment, an example in which the rotary barrel polishing machine 1 is used as the barrel polishing machine has been described, but the present invention is not limited to this, and can be applied to a centrifugal barrel polishing machine and other barrel polishing machines. ..

1 ... rotary barrel grinder, 2 ... barrel tank, 3 ... frame, 4 ... barrel tank body, 4a ... opening, 5 ... barrel lid, 6 ... rotating shaft, 7 ... motor, 8 ... connection port, 9 ... connection port 10, 10 ... Transfer hose, 11 ... Suction hose, 12 ... Shooter (exhaust port), 13 ... Operation panel, 20 ... Sorting device, 21 ... Connection port, 22 ... Vibration basket, 23 ... Main body case, 24 ... Moving wheels, 25 ... Vibration motor, 26 ... Polished stone storage, 27 ... Guide spring (rectifying member), 28 ... Operation panel, 30 ... Decompression device, 31 ... Connection port, 32 ... Device body, 33 ... Moving wheel

Claims (3)

The work and the polishing stone are put in and installed in a barrel polishing machine having a barrel tank for polishing the work, and after the barrel polishing is completed, the work and the polishing stone discharged from the barrel tank are received and the work is said. And a sorting device that sorts the polishing stones,
A decompression device that is installed so as to be connectable to the barrel tank, sucks air in the barrel tank, decompresses the inside of the barrel tank, and transfers the abrasive stones sorted by the sorting device into the barrel tank. equipped with a,
The decompression device
A transfer hose that is detachably connected to the sorting device and the barrel tank and that transfers the polishing stone sorted by the sorting device to the barrel tank.
A suction hose with one end detachably connected to the barrel tank,
The other end of the suction hose is connected, and the device main body for sucking and depressurizing the air in the barrel tank through the suction hose is provided.
The sorting apparatus, the barrel polishing machine plate-shaped guide spring for rectifying the flow of the polishing stone to the connection port of the transfer hose is characterized that you have placed so as to extend in a radial direction of the connection port Sorting decompression device for. The sorting and depressurizing device for a barrel polishing machine according to claim 1, wherein the sorting device and the depressurizing device are respectively provided with movable wheels. The barrel according to claim 1 or 2, wherein the sorting device has a height adjusting mechanism capable of adjusting the height of the work of the barrel tank and the discharge port of the polishing stone. Sorting and depressurizing device for polishing machines.

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