JPH0424185B2 - - Google Patents

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention involves mixing abrasive grains into dirty pachinko balls, medals, and other game media, mixing and agitating them while transporting them, and polishing them with the game media at the top. In a polishing transport device that separates grains and polishes game objects, when the separated abrasive grains become dirty on the way down and must be cleaned, the polishing This invention relates to a dust suction switching device that opens and closes a dust suction pipe that sucks dust generated in an abrasive grain cleaning device in conjunction with a flow path switching device that sends grains to an abrasive grain cleaning device through an abrasive grain cleaning path.

(Prior Art) Conventionally, regarding a polishing/lifting device for game media equipped with an abrasive particle cleaning device for purifying dirty abrasive particles, the applicant of the present application previously disclosed in Japanese Patent Application Laid-Open No. 60-90583. There are things that I have invented and proposed.

In this case, a sorting device (in this case, a sorting device) separates the dirty game medium and the abrasive particles by transporting them while mixing and agitating the game medium, that is, polishing the game medium, and separating the game medium from the abrasive particles. The material was discharged into a sorting device (referred to as a sorting device). The game medium and abrasive grains are discharged into the sorting device, and the dust generated when they fall and the dust generated by the polishing action are collected by suction with one end connected to the sorting device and the other end connected to a dust collector. The material was constantly removed by suction with a hose.

Furthermore, in this invention, it is obvious that no matter how much a game medium is polished with dirty abrasive grains, the polishing effect of the game medium decreases, so the abrasive grains are regenerated, that is, purified, in a dry manner. Equipped with an abrasive particle cleaning device.

In this abrasive grain cleaning device, when the abrasive grains become dirty, the circulation pipe is closed by the switching valve, whereby the abrasive grains are guided into the abrasive grain cleaning device through the clean circulation pipe, and the abrasive grains become dirty. The surface of the abrasive grains is peeled off, and the generated dust is constantly removed by suction using a suction hose connected at one end to the abrasive grain cleaning device and at the other end to the dust collector.

(Problem to be solved by the invention) By the way, in such a conventional device,
Polished game objects and abrasive grains are constantly discharged and fallen into the sorting device and dust is generated, so it is essential to remove the dust by suction, but the abrasive grain cleaning device is Although dust suction is required only when dirty abrasive grains are introduced and the dirty surface of the abrasive grains is being removed, suction is always performed even when the abrasive grain cleaning device is stopped. Removal is in progress. In other words, dust suction in this state was meaningless and wasteful. At the same time, one dust collector was used to collect dust from the sorting device and the abrasive particle cleaning device, so the dust suction power was always reduced by half, and the dust suction power was weak.

In order to solve the above-mentioned conventional drawbacks, the present invention provides a flow path switching device in the middle of the descending path through which abrasive grains descend, and the dust suction of the abrasive grain cleaning device is linked to the opening and closing operations of the flow path switching device. A dust suction switching device that opens and closes the pipe is provided to suction and remove dust generated in the abrasive grain cleaning device only when the abrasive grain cleaning device is in operation, and to remove dust generated in the abrasive grain cleaning device while the abrasive grain cleaning device is stopped. To provide a dust suction switching device in a polishing/lifting device which closes a pipe and sucks and removes only the dust generated in the sorting device.

(Means for Solving the Problems) In order to solve the above-mentioned drawbacks, the present invention mixes and stirs both a game medium and abrasive grains, polishes the game medium, and produces a polished game medium. and abrasive particles are separated by a sorting device, an abrasive particle cleaning path is provided that branches off in the middle of a descending path for circulating the separated abrasive particles, and the abrasive particle cleaning path and the abrasive particle cleaning device are connected, The dust suction pipe for the sorting device that sucks up the dust that is generated when the dust is separated by the sorting device, and the dust suction pipe that sucks the dust that is generated when the surface of dirty abrasive grains is peeled off by the abrasive grain cleaning device are connected to a dust suction motor. In a polishing lifting device connected to a dust suction device, when the abrasive particle cleaning device is stopped, the flow path switching device is opened in order to reuse the separated abrasive particles, and the flow path switching device is opened. When the device is in the open state, the dust suction switching device keeps the dust suction pipe of the abrasive grain cleaning device in a closed state so that only the sorting device collects dust, and when the abrasive grain cleaning device is in operation, the separated abrasive grains are transferred to the flow path switching device. By closing the abrasive particle cleaning device, the dirty surface is peeled off, and the dust suction switching device is opened so that both the dust generated at that time and the dust generated by the sorting device are sucked into the dust suction pipe. This is a characteristic feature.

(Function) When dirt on the surface of the abrasive grains becomes noticeable and the polishing effect of the game medium decreases, in order to guide the abrasive grains to the abrasive grain cleaning device, the motor of the flow path switching device is rotated. Rotate the fixed rotary disk. Since the sliding pin provided on the rotary disk is fitted into and engaged with the sliding groove of the opening/closing plate, the opening/closing plate slides and the blocking plate provided on the descent path where the abrasive grains descend. The descending window is closed to change the circulation path of the abrasive grains.

In synchronization with the sliding movement of the opening/closing plate, the shutter pin protrudes from the side of the opening/closing plate and engages with the inclined shutter pin sliding window provided on the elevating plate of the dust suction switching device. Then, the elevating plate is pushed upward, the dust suction pipe is opened, and the abrasive particle cleaning device sucks and removes the dust that has been removed from the surface of the dirty abrasive particles. At the same time, the dust generated when the game media and abrasive grains that are discharged into the sorting device fall and due to the polishing action is constantly removed by suction.

After that, when the cleaning of the abrasive material is completed, the operation switch is pressed again, the opening/closing plate is slid in the opposite direction to the above, and the passing window of the opening/closing plate is aligned with the descending window of the blocking plate, The abrasive grains separated by the sorting device are directly reduced to be circulated. When the opening/closing plate moves as described above, the shutter pin slides to push down the elevating plate. As a result, the elevating plate descends to close the dust suction pipe, and this closure stops the dust suction from the abrasive particle cleaning device, and only the dust generated within the sorting device is suctioned and removed.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

First, the polishing lifting device will be explained in detail with reference to FIG. In the figure, C is a polishing and lifting device that mixes and stirs dirty pachinko balls, medals, and other game media with synthetic resin abrasive grains, polishes them, and transports them. A lifting pipe 5 is provided upright so as to be lifted upward while being polished.
A lifting screw (not shown) is inserted into the pump 0, and the lifting screw is rotated by a lifting motor 51 provided at the upper end of the lifting pipe 50.

At the upper part of the lifting pipe 50, the lifting pipe 5
A sorting device 26 is provided for separating the game medium and the abrasive grains discharged from the discharge port (not shown) which opens upwardly.

The descending passage 20 is connected to the sorting device 26, and its lower end is reversibly connected to the lifting pipe 50. Therefore, the abrasive grains separated from the game medium are circulated and supplied to the lift pipe 50 by the descending path 20. Further, the sorting device 26 is connected to a sorting device dust suction pipe 24 that sucks up dust generated when the discharged game medium and abrasive grains fall and due to the polishing action. The other end is connected to a dust suction box 31, which is a dust suction device D, for storing dust, and is constantly sucked and removed by a dust suction motor 30.

An abrasive particle cleaning path 2 having one end connected to the middle of the descending path 20 and the other end connected to an abrasive particle cleaning device 23.
1 is provided, and when the surface of the abrasive particles becomes dirty and the polishing effect of the game medium becomes weak, the dirty abrasive is removed via the abrasive particle cleaning path 21 by a flow path switching device A, which will be described later. The grains are fed into an abrasive grain cleaning device 23.

22 is a dust suction pipe for sucking the dust removed from the surface of the abrasive particles contaminated by the abrasive particle cleaning device 23, and one end thereof is connected to the abrasive particle cleaning device 23;
The other end is connected to the dust suction pipe 24 for the sorting device, and is collected in the dust suction box 31.

Next, the flow path switching device A and the dust suction switching device B of the present invention
Explain. Conventionally, the dust suction switching device B attempts to stop the state in which suction is always performed even though the abrasive particle cleaning device 23 is stopped and no dust is generated. Let's explain its structure.

Reference numeral 1 designates the rear plate of the dust suction switching device B, as shown in FIG. 3 is provided in a horizontally elongated manner, and a dust suction pipe insertion hole 5 is provided at the bottom for passing a dust suction pipe 22 that sucks up dust obtained by removing dirt from abrasive grains generated by an abrasive grain cleaning device 23.

2 is a front plate, which has a horizontally long pin sliding groove 4 in the upper part, a dust suction pipe insertion hole 6 for passing the dust suction pipe 22 in the lower part, and the pin sliding groove 4 is provided in the pin sliding groove 3 of the rear plate 1. Then, the dust suction pipe insertion hole 6 and the dust suction pipe insertion hole 5 are combined so that they are at the same position.

Reference numeral 8 denotes an elevating plate, which is provided with a shutter pin sliding window 9 formed in a substantially right-angled triangular shape at its upper part, and is clamped between the rear plate 1 and the front plate 2 and slidably inserted into the elevating plate sliding portion 7. be done.

As shown in FIG.
The shutter pin 18 protruding from the side of the opening/closing plate 12 of the flow path switching device A, which will be described later, is engaged with the shutter pin 18 .

Next, a flow path switching device A is located in the descending path 20 and automatically opens and closes downward from the abrasive particle cleaning path 21 branched in the middle to change the circulation route of the abrasive particles.
is provided.

As shown in FIG. 1, in the flow path switching device A, a vertical motor 17 is fixed to a motor mounting frame 19 attached to a blocking plate 10, and a rotary disk 15 is provided at the lower end of a shaft 16 of the motor 17. A sliding pin 14 is provided on the lower surface of the rotary disk 15 near the outer periphery.

There is a gap inside the blocking plate 10, and an opening/closing plate 12 is slidably attached to this gap.
A horizontally elongated sliding groove 13 is provided in the front part of the , the sliding pin 14 (provided on the rotary disk) is engaged with the sliding groove 13, and the motor 17 rotates to open and close the sliding groove 13. The plate 12 is designed to slide back and forth, and the opening/closing plate 12 is provided with a passage window 12b.

A descent window 11 is provided in the blocking plate 10 in the descent path 20.
is provided, and when an operation switch (not shown) is pressed to open, the motor 17 rotates, and as the sliding pin 14 moves rearward, the opening/closing plate 12 moves rearward as shown in FIG. Moving.

When the opening/closing plate 12 moves backward, the control switch _S1 operates to stop the motor 17, and the passage window 12b provided on the opening/closing plate 12 and the descending window 11 provided with the blocking plate 10 match (the fifth (Fig.), the abrasive grains collected from the upper distribution device 26 descend directly to be circulated (normal operating condition).

At the same time, when the opening/closing plate 12 moves rearward, the pin mounting plate 12a provided on the side of the opening/closing plate 12 also moves, and the shutter pin 18 protruding from this pin mounting plate 12a connects the rear plate 1 and the front plate 2. The rear plate 1 moves in the rear R direction along the pin sliding grooves 4 and 3 of the
An elevating plate 8 inserted into an elevating sliding portion 7 formed in
Since the shutter pin sliding window 9 is provided in an inclined shape, the shutter pin 18 lowers the shutter pin 18 to close the dust suction pipe 22 as shown in FIG. Therefore, dust suction from the abrasive particle cleaning device 23 is stopped.

In this state, since the dust suction from the abrasive grain purifier 23 is stopped, the dust suction power from the sorting device 26 through the dust suction pipe 24 for the sorting device is doubled, which is meaningless and wasteful in the past. The dust suction of the hot abrasive grain cleaning device 23 is stopped, and a decrease in dust suction power can be avoided.

Next, in order to regenerate the abrasive grains whose surface has become dirty and the polishing effect of the game medium has weakened, the abrasive grains are cleaned, and in order to improve the cleaning effect of the game medium, the dirty abrasive grains are removed using an abrasive grain cleaning device. To send to 23,
Press the operation switch close and turn motor 1 (not shown)
7 to move the opening/closing plate 12 forward in the F direction. Then control switch _S2 is activated and motor 1
7, as shown in FIG. 4, the descending window 11 of the flow path switching device A is closed and the descending dirty abrasive particles are sent to the abrasive particle cleaning device 23, and the abrasive particles are removed. Inside the cleaning device 23, the surface of the dirty abrasive grains is peeled off.

At the same time, when the opening/closing plate 12 moves forward in the F direction, the shutter pin 18 also moves horizontally forward along the pin sliding grooves 4 and 3, and the shutter pin sliding window 9, which is formed in a substantially right triangular shape, The pin 18 comes into contact with the oblique side, and this time the dust suction pipe 2
The elevating plate 8, which had closed the abrasive particle cleaning device 23, is raised by pushing up, and the dust suction pipe 22 is opened to suck dust from the abrasive grain cleaning device 23.

In this state, dust generated from both the abrasive particle cleaning device 23 and the sorting device 26 is being sucked.

All of the operations of the present invention described above are performed by remote control using an operating switch.

(Effects of the Invention) As described above, the present invention provides a dust suction switching device in the dust suction pipe that conventionally always performs suction removal even when the abrasive particle cleaning device is stopped. It is obvious that the dust suction power, which had been reduced by half, has been greatly increased, and the dust suction switching device is switched in conjunction with the flow path switching device, so it is extremely easy to operate.

In addition, since the dust generated by the abrasive particle cleaning device and the sorting device is handled by a single dust suction motor instead of using separate motors, there is no need to increase the size of the entire device or increase manufacturing costs. is large.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the present invention, Fig. 2 is an exploded perspective view of the dust suction switching device, Fig. 3 is a perspective view of the polishing and lifting device, and Figs. 4 and 5 show the operating state of the present invention. It is a diagram. 1...Rear plate, 2...Front plate, 3...Sliding groove, 5,
6... Dust suction pipe insertion hole, 7... Lifting plate sliding part,
8... Elevating plate, 9... Shutter pin sliding window, 1
1...Descent window, 12...Opening/closing plate, 15...Rotary plate,
17...Motor, 22...Dust suction pipe, 23...
Abrasive particle cleaning device, 24...dust suction pipe for sorting device, 26... sorting device, A... flow path switching device, B
...Dust suction switching device, C... Polishing and lifting device, D...
Dust suction device.

Claims (1)

[Claims] 1. Mixing and stirring both the game medium and the abrasive grains,
The game medium is polished, the polished game medium and the abrasive particles are separated by a sorting device, and an abrasive particle cleaning path is provided that branches in the middle of the descending path for circulating the separated abrasive particles, and the polishing A dust suction pipe for the sorting device connects the particle cleaning path and the abrasive particle cleaning device, and sucks up the dust generated when the particle is separated by the sorting device, and the surface of the dirty abrasive particles is peeled off by the abrasive particle cleaning device. In the polishing lifting device, which consists of a dust suction pipe that sucks up the dust generated when cleaning, a dust suction motor and a dust suction device are connected, when the abrasive particle cleaning device is stopped, a flow path is opened to reuse the separated abrasive particles. In addition to opening the switching device, when the flow path switching device is in the open state, the dust suction switching device keeps the dust suction pipe of the abrasive grain cleaning device in a closed state so that only the sorting device collects dust, and the abrasive grain cleaning device During operation, the separated abrasive grains are guided to the abrasive grain cleaning device by closing the flow path switching device to peel off the dirty surface, and both the dust generated at that time and the dust generated by the sorting device are collected by a dust suction pipe. A dust suction switching device in a polishing and lifting device, characterized in that the dust suction switching device is opened to suck dust.