JPH07231979A - Pachinko machine island - Google Patents

Abstract

PURPOSE:To provide a pachinko machine island which allows the confirmation of an increase in the quantity of balls and prevents balls from flowing backward due to overflow. CONSTITUTION:Three sensors A to C which detects the quantity of balls circulating in a pachinko island 1 and indicator lamps 31 to 33 which warns employees depending on the quantity of balls detected by the sensors A to C are arranged, and a sensor C has a function to stop the circulation of balls by a circulator 3 in response to an increase in the quantity of balls. Even if the quantity of balls circulating in the pachinko machine island increases, balls can be prevented from flowing backward due to overflow, and as a result, are circulated normally in the pachinko machine island, and prevent the circulator 3 from breaking down due to backward flow of balls.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is to replenish used balls collected from a plurality of pachinko machines to the pachinko machines again.
The present invention relates to a pachinko island stand equipped with a ball circulating drive means for circulatingly driving balls and a ball returning device for issuing a receipt of a numerical record corresponding to the prize balls obtained by a player.

[0002]

2. Description of the Related Art Conventionally, a pachinko island stand was equipped with a reducing machine having a conveyor belt as an automatic ball circulation mechanism. As a result, the used balls discharged from the pachinko machine installed on the pachinko island stand are collected by the collection gutter, then lifted up while being polished by the conveyor belt of the reducing machine, and again through the supply gutter. Supplied to each pachinko machine. That is, the game balls in the pachinko island stand were circulated and used by the automatic ball circulation mechanism. In addition, some of such pachinko island stands were provided with a ball returning device for issuing a receipt of a numerical record corresponding to the prize balls obtained by the player. For this reason, on the pachinko island stand, in preparation for the increase in the number of balls with the addition of prize balls from the ball returning device,
A ball-draining opening was provided to remove the increased amount of balls to avoid backflow of overflowed balls.

[0003]

However, even if the pachinko island stand is provided with a ball outlet for avoiding the overflow backflow of the ball as in the above-mentioned conventional method, the amount of balls stored in the pachinko island stand can be reduced. The increase was confirmed by the employees' visual inspection. For this reason, when the employee's visual recognition is delayed, overflow backflow of the balls occurs, normal ball circulation is not performed, and in the worst case, the reducing machine as the automatic ball circulation mechanism fails. The present invention has been made in view of the above circumstances, and an object thereof is to provide a pachinko island stand that enables reliable confirmation of an increase in the storage amount of balls and prevents overflow backflow of balls. It is in.

[0004]

In order to achieve the above-mentioned object, in the present invention, a ball is circulated and driven so that used balls collected from a plurality of pachinko machines are supplied again to the pachinko machines. In a pachinko island stand equipped with a circulation driving means and a ball returning device for issuing a receipt of a numerical record corresponding to the prize ball which the player has won, the pachinko island stand is located in the pachinko island stand. A storage amount detecting means for detecting the storage amount of the circulating balls, an informing means for stepwise notifying the storage amount of the balls detected by the storage amount detecting means, and the ball circulation driving means. When a storage amount of a large amount of balls that interferes with the circulation drive of the balls is detected by the storage amount detection means, a drive stop means for stopping the drive of the ball circulation drive means, and the ball circulation drive means Save the pumped balls Then, the upper storage tank that replenishes and flows out to the pachinko machine, the lower storage tank that stores the used balls from the pachinko machine and flows out to the ball circulation driving means, and the surplus balls in the upper storage tank And a return gutter that recirculates to the lower storage tank, wherein the storage amount detection means includes a plurality of sensors arranged in the lower storage tank and the return gutter.

Further, the lower storage tank may be provided with a ball drop hole for removing balls stored in the lower storage tank. Further, the reflux gutter may be formed as a meandering ball passage by providing a plurality of restricting walls for restricting the linear drop of the balls from the upper end to the lower end on the inner wall thereof. Further, the notification means may include a plurality of color-coded indicator lights. The ball returning device may be provided adjacent to the center of the pachinko island stand on which the ball circulation drive means is erected, or may be provided at a side end of the pachinko island stand. .

[0006]

The pachinko island stand has a storage amount detecting means for detecting the storage amount of the balls circulated in the pachinko island stand, and a storage amount detecting means for detecting the storage amount of the balls detected by the storage amount detecting means. Informing means for informing in stages, and when the storage amount detecting means detects a storage amount of a large amount of balls that interferes with the circulation drive of the balls by the ball circulation driving means, A drive stopping means for stopping the drive, an upper storage tank for storing the balls pumped by the ball circulation driving means and replenishing and flowing out to the pachinko machine, and a used ball for storing the used balls from the pachinko machine. The lower storage tank flowing out to the circulation drive means and the return gutter for returning the excess balls in the upper storage tank to the lower storage tank are provided, and the storage amount detecting means includes the lower storage tank and the return gutter. A plurality of Even if the storage amount of balls that are circulated and used inside the Pachinko Island stand increases, the storage amount detection means detects the increasing storage amount of balls step by step, and the notification means notifies this. By notifying the employee by the action, the employee can take a prompt and appropriate action, and the overflow backflow of the balls can be prevented in advance. Further, in the worst case, even when the employee does not notice the notification operation of the notification means, the drive stop means automatically stops the drive of the ball circulation drive means, so that the overflow backflow of the balls can be reliably prevented. As a result, failure prevention of the ball circulation drive means can be brought about.

In the case where the ball passage is formed in a meandering shape by providing a plurality of restricting walls for restricting the linear drop of the ball from the upper end to the lower end of the inner wall of the return gutter, As for the ball flowing down inside the reflux gutter, the flow velocity is moderated, and instantaneous storage in the reflux gutter is avoided. Therefore, as described above, even when the amount of balls stored in the pachinko island stand suddenly increases, it is possible to delay the full amount of balls in the pachinko island stand. The driving stoppage can be minimized.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partially cutaway front view showing the internal structure of a pachinko island stand 1. In the figure, pachinko island stand 1 is
As is well known, a large number of pachinko machines 2 are arranged in a back row, and a reducing machine 3 as a ball circulating drive means is erected at the center thereof. Above both ends of the pachinko island stand 1, a notification lamp 4 (notification means) provided with each of the below-mentioned indicator lights 31 to 33 is provided, and on the right side of the reducing machine 3, a player is provided. There is provided a ball returning device 5 for issuing a receipt of a numerical value record corresponding to the prize ball that has been acquired. The ball returning device 5 may be provided at the side end of the pachinko island stand 1.

By the way, the reducing machine 3 in this embodiment is
An endless conveyor belt 7 is rotationally driven by a lower pulley 6 having a built-in motor, and a ball introduced through an introduction gutter 8 by a frictional force of the conveyor belt 7 contacts a polishing cloth mounting door (not shown). It is raised and finally discharged from the discharge port 9 at the upper end into the upper storage tank 10. In addition,
The reducing machine is, apart from the present embodiment, of a type in which the abrasive pellets and the balls are pumped while being mixed by a spiral body, or
It may be of a type in which a bucket is fixed to a belt.

The polished balls discharged from the discharge port 9 are guided to both ends of the bottom surface of the upper storage tank 10 by the guide plates 11, and then from the replenishment trough 12 connected to both ends of the bottom surface of the upper storage tank 10. leak. The replenishment gutter 12 is provided in an inclined shape from the upper storage tank 10 toward both ends of the pachinko island stand 1, and is provided with a shunt 13 provided corresponding to each pachinko machine 2 in the middle thereof.
It is supplied to a well-known prize ball tank provided on the upper back side of the. Note that, as is well known, the flow diverter 13 is provided with a counting device for counting the stored amount of replenished balls, and a replenishing ball signal is sent from this counting device to a management computer provided in the game arcade. It is designed to be used.

A drop port 14 is formed in the center of the bottom surface of the upper storage tank 10.
Left and right return gutters 15 and 16 are disposed at the lower position of. These return gutters 15 and 16 are respectively pachinko machines 2
When the stored balls in the upper storage tank 10 are dropped from the drop port 14 as a result, the supply of balls to the supply gutter 12 is not necessary because the use of prize balls in the
Left and right lower storage tanks 17 installed on both sides of the lower part of the
It is refluxed to 18. Further, a ball distribution projecting piece 19 is formed on the upper end portion of the left reflux gutter 15. The ball distribution projecting piece 19 preferentially guides the falling ball from the falling port 14 to the left reflux gutter 15, and when the balls are sufficiently stored in the left circulation gutter 15 from the ball distribution projecting piece 19. The overflow ball is guided to the right return gutter 16.

As shown in FIG. 2, a plurality of restricting walls 20 ... Protruding from the upper end portion to the lower end portion of the trough 16 at predetermined intervals on the right and left inner walls of the right reflux trough 16 respectively. In the right return gutter 16, the ball passage has a shape from meandering to meandering. As a result, the right return gutter 1
The flow rate of the balls flowing through the inside of 6 is reduced and the storage rate of the balls is reduced, so that the rapid storage in the gutter 16 for a short time is avoided. The meandering passage is provided by the left return gutter 15 or an upper right recovery gutter 24 described later.
It may also be formed.

On the other hand, from each pachinko machine 2, the driven balls are discharged into a used ball tank 21 provided at the lower part of the back surface of the pachinko machine 2, and left and right by a discharge pipe 22 extending downward from the tank 21. Each upper recovery gutter 23.
It is discharged to 24. In addition, from the ball returning device 5, the returned prize balls are discharged to the prize ball tank 25, and then discharged from the tank 25 to the upper right recovery gutter 24. As is well known, each of the tanks 21 and 25 for the used balls and the prize balls is provided with a counting device for counting the stored amount of the collected balls, and the counting device is provided in the game hall. The collected ball signal is sent to the management computer.

The upper recovery gutters 23 and 24 are connected to the upper ends of the lower storage tanks 17 and 18, respectively, at the upstream side to the lower ends of the reflux gutters 15 and 16, while at the downstream side, the pachinko islands. It is provided so as to be inclined downward toward the side end of the platform 1. On the bottom wall of each of the lower storage tanks 17 and 18, the upstream portion is arranged below each of the downstream portions of the upper recovery gutters 23 and 24, while the downstream portion is connected to the introduction gutter 8 on the reducing machine 3 side. The left and right lower recovery gutters 26 and 27 are inclined downward. As a result, used balls and prize balls collected from the respective tanks 21 and 25, and the respective return gutters 15
・ The balls returned from 16 are the upper recovery gutters 2 on the left and right respectively.
After being discharged to 3/24, it is discharged from the downstream part of each gutter 23/24 to the left and right lower recovery gutters 26/27, and finally sent to the introduction gutter 8 on the reducing machine 3 side.

In the pachinko island stand 1 constructed as described above, the balls polished and lifted by the reducing machine 3 are supplied to the respective pachinko machines 2 through the replenishment gutters 12 while being used by the respective pachinko machines 2. The used balls that have been used and the prize balls that have been returned to the ball returning device 5 are collected by the collection gutters 23, 24, 26, and 27 in the reducing machine 3 and are ground and pumped again to be supplied into the supply gutter 1.
2 is supplied. That is, the balls are circulated and used inside the pachinko island stand 1. However, the pachinko island stand 1
The storage amount of balls used in is not always constant. That is, there is a case in which a player throws a prize ball obtained at another pachinko island stand into the ball returning device 5 of the pachinko island stand 1,
In such a case, the storage amount of balls that are circulated and used inside the pachinko island stand 1 increases, and in the worst case, overflow backflow from the discharge port 9 of the upper storage tank 10 occurs and normal balls are stored. Not only the circulation is not carried out, but also the reducing machine 3 is out of order and it becomes impossible to carry out business. In addition, the side wall of the lower right storage tank 18 is provided with a beading hole 28 for punching out to the outside of the pachinko island stand 1, so that the stored balls in the lower right storage tank 18 can be punched out. ing.

Therefore, in order to avoid the above-mentioned inconvenience, in the present embodiment, a storage amount detecting means for detecting the storage amount of the balls circulated and used inside the pachinko island stand 1, and the storage amount. Informing means for gradually informing the employee of the amount of accumulated balls detected by the detecting means, and driving stop for stopping the circulation driving of the balls by the reducing machine 3 in response to an excessive increase in the accumulated amount And means.
Hereinafter, the storage amount detecting means, the notifying means, and the drive stopping means of this embodiment will be described with reference to FIGS. 1 and 3 to 6. 3 (A) to 3 (C) are explanatory diagrams for controlling the operation of the notification means in accordance with the ball amount detection operation of the storage amount detection means, and FIG. 4 is a display light blue 31 which will be described later and constitutes the notification means. 5 is a flowchart showing the blinking control operation of the indicator light yellow 32, which will be described later, which constitutes the notification means, and FIG. 6 is a flowchart showing the indicator light, which will be described later, which constitutes the notification means. It is a flowchart which shows the blinking control operation of red 33.

The storage amount detecting means is composed of three sensors A to C. The sensor A is the above-mentioned upper right recovery gutter 24.
The sensor B is disposed at a lower position of the upstream side of the upper right recovery gutter 24, and the sensor C is disposed at an upper end of the right reflux gutter 16 of the right upper recovery gutter 24. ing. Then, each of these sensors A to C is switched from the OFF state to the ON state when the upper end portion of the ball stored in the lower right storage tank 18 or the right reflux gutter 16 is brought into contact with each other, and each display described later is displayed. The lights 31 to 33 are switched from the extinguished state to the blinking state. That is, when the sensor A detects that the balls have accumulated in the lower right storage tank 18 to a position below the downstream portion of the upper right recovery gutter 24, the sensor A detects this and the indicator light blue 31
Blinking control. When the sensor B stores a ball in the lower right storage tank 18 to a position below the upstream of the upper right recovery gutter 24, the sensor B detects this and controls the indicator lamp 32 to blink. Further, the sensor C detects that the balls have accumulated up to the upper end of the right reflux gutter 16 and controls the indicator lamp red 33 to blink.

Each of the sensors A to C is a system switch 30 arranged above the ball returning device 5.
The power supply / interruption is controlled based on the ON / OFF state of. That is, when the system switch 30 is in the ON state, each of the sensors A to C is supplied with power to be in the state of detecting the amount of balls, while when the system switch 30 is in the state of OFF, the power is cut off and the amount of balls is large. The detection is stopped. In addition, from the ON state of the system switch 30
Switching to the FF state is performed manually by an employee, while the system switch 30 is turned off.
The switching from the state to the ON state is automatically performed based on the detection operation of the storage amount level by the level sensor D. Similar to the sensor A, the level sensor D is arranged at a lower position on the downstream side of the upper right recovery gutter 24, and the contact with the upper end portion of the balls stored in the lower right storage tank 18 is released. Then, the system is switched from the OFF state to the ON state and the system switch 30 is turned ON from the OFF state.
Switch to state. That is, the level sensor D is in the OFF state at the ball amount level at which the sensor A detects the ball amount, while the level sensor D is at or below the ball amount level at which the sensor A detects the ball amount.
In the ON state, the system switch 30 is ON-controlled.
The level sensor D may be installed on the downstream side of the sensor A, but it is preferable that the level sensor D is located at an appropriate storage amount position in the lower right storage tank 18.

The notifying means is composed of the indicator light blue 31, the indicator light yellow 32, and the indicator light red 33 provided on the notification lamp 4, and as described above, the blinking / indication of each of the indicator lights 31 to 33. Turn-off control is ON / OFF of each sensor A to C respectively.
Is based on. The blinking operation of each of the indicator lights 31 to 33 is performed by each sensor A as shown in FIGS.
.About.C are added in stages based on the ON state.

Then, the sensor C uses the above-mentioned indicator light red 33.
When the balls are accumulated up to the upper end of the right reflux gutter 16 in the same manner as the blinking control of, the reduction machine 3 is stopped and controlled by detecting this. The reduction machine 3 is started up by an operator manually turning on an operation switch (not shown).

Next, the blinking control operation of each of the indicator lamps 31 to 33 by each of the above sensors A to C will be described. As shown in FIG. 4, the flashing control of the indicator light blue 31 is performed by first detecting whether or not the balls are stored in the lower right storage tank 18 to a position below the downstream portion of the upper right recovery gutter 24. It is determined whether A is in the ON state (S1). When it is determined that the sensor A is in the ON state in S1, the indicator light blue 31 is made to blink by the control based on this (S2), and the ball is moved to the lower position of the downstream of the upper right recovery gutter 24 in the lower right storage tank 18. Informs the employee that it has been stored. The employee who was informed, by seeing the blinking state of the indicator light blue 31,
Assuming that the normal storage amount is slightly exceeded, the return operation of the prize ball by the player may be guided to another pachinko island stand 1 in which the indicator light blue 31 is off. Then, it is determined whether or not the sensor A is in the OFF state (S
3) When it is determined that the sensor A is in the OFF state, the indicator light blue 31 is turned off by the control based on this (S
4) Then, the process returns to S1 again.

To control the blinking of the indicator light 32, as shown in FIG. 5, first, in the lower right storage tank 18, the upper right recovery gutter 2 is installed.
It is determined whether or not the sensor B is in the ON state in order to determine whether or not the balls are accumulated up to the lower position of the upstream portion of No. 4 (S).
11). When it is determined that the sensor B is in the ON state in S11, the indicator light yellow 32 is made to blink by the control based on this (S12), and the ball is moved to the position below the upstream part of the upper right recovery gutter 24 in the lower right storage tank 18. Informs the employee that it has been stored. As a result, when the employee does not notice the blinking of the indicator light blue 31 in S2, it is determined that the indicator light yellow 32 has significantly exceeded the storage amount, and the return operation of the prize ball to another pachinko island stand 1 is performed. Can be further encouraged. After that, it is determined whether or not the sensor B is in the OFF state (S13), and when it is determined that the sensor B is in the OFF state, the indicator light 32 is extinguished by the control based on this (S14), and S11 is again performed. Return to.

In the blinking control of the indicator light red 33, as shown in FIG. 6, first, the sensor C is in the ON state in order to determine whether or not the balls have accumulated up to the upper end of the right reflux gutter 16. It is determined whether or not (S21). When it is determined that the sensor C is in the ON state in S21, the indicator light 33 is blinked by the control based on this (S22), and the reducing machine 3 is stopped (S23). Then, in order to remove the stored balls from the ball outlet 28, the employee lowers the right lower storage tank 18
Inspection of the ball passage inside or in the right return gutter 16 is performed (S24). After that, the system switch 30 is turned off (S25), and the reduction machine 3 is started (S26) by manual operation by the employee. The sensor C is turned off and the ball amount detection is stopped by switching the system switch 30 off in S25.

Next, it is judged whether the level sensor D is in the ON state or not to judge whether or not the accumulated balls are below the ball amount level (S27). When it is determined in S27 that the amount of balls is below the level, the system switch 30 is automatically turned on by the control based on the ON state of the level sensor D.
N (S28). As a result, the sensor C is supplied with power to be in the OFF state in the ball amount detection, and the indicator red 33 is turned off by the control based on this (S
29) and returns to S21 again.

As described above, the pachinko island stand 1 of this embodiment
The storage amount detection means (sensors A to C) for detecting the storage amount of the balls circulated in the pachinko island stand 1 and the storage amount of the balls detected by the storage amount detection means When the storage means for notifying the notification means (indicator lamps 31 to 33) and a large amount of stored balls that hinders the circulation driving of the balls by the reducing machine 3 are detected by the storage amount detecting means, the reducing machine 3
Drive stopping means (sensor C) for stopping the driving of.

Therefore, the player throws the prize balls obtained at another pachinko island stand into the ball returning device 5 of the pachinko island stand 1, and the amount of balls that are circulated in the pachinko island stand 1 is stored. Even when the number of balls increases, the increasing amount of accumulated balls is detected step by step by each of the sensors A to C, and this is indicated by each of the indicator lights 31 to 31.
By informing the employee in a stepwise manner by blinking 33, the employee can take a prompt and appropriate action, and the overflow backflow from the discharge port 9 of the upper storage tank 10 can be prevented in advance. Further, in the worst case, even when the employee does not notice the blinking notification of the indicator lights 31 to 33, when the balls are accumulated up to the upper end portion of the right reflux gutter 16, the sensor C as the drive stop means is the reducing machine 3. It is possible to reliably prevent the overflow backflow from the discharge port 9 by automatically stopping the driving of, and as a result, it is possible to avoid the failure of the reducing machine 3 due to the backflow of balls or the like.

In the above embodiment, a total of three sensors A to C are arranged in the ball passage in the lower right storage tank 18 or in the right return gutter 16, and the sensors A to C are used to detect the storage amount. However, the arrangement position and the number of such sensors are not particularly limited, and the arrangement positions of the sensors may be movable. Further, the notification operation of the notification means is described as the stepwise addition of blinking of the respective indicator lights 31 to 33 in accordance with the ball amount detection operation of each of the sensors A to C. However, the ball amount of each of the sensors A to C is described. Each of the indicator lights 31 to 33 may be independently blinked in accordance with the detection operation.
Further, the notification operation of the notification means may be performed by turning on the respective indicator lights 31 to 33 or generating an emergency sound. Further, the arrangement position of the ball returning device 5 is not limited to the right side of the reducing machine 3, and may be provided at both end portions of the pachinko island stand 1.

[0028]

As is apparent from the above description, in the present invention, the pachinko island stand has a storage amount detecting means for detecting the storage amount of the balls circulated in the pachinko island stand, Informing means for informing this in a stepwise manner according to the storage amount of the balls detected by the storage amount detecting means, and a large amount of storage amount of the balls which causes an obstacle to the ball circulation drive by the ball circulation drive means. Is detected by the storage amount detecting means, a drive stopping means for stopping the driving of the ball circulation driving means, and an upper portion for storing the balls pumped by the ball circulation driving means and replenishing and flowing out to the pachinko machine. A storage tank, a lower storage tank that stores the used balls from the pachinko machine and flows out to the ball circulation driving means, and a return gutter that recirculates the excess balls in the upper storage tank to the lower storage tank,
The storage amount detecting means is composed of a plurality of sensors arranged in the lower storage tank and the return gutter, so that even when the storage amount of balls used in circulation inside the pachinko island stand increases. By gradually detecting the increasing storage amount of balls by the storage amount detecting means and notifying the employee of this by the notifying operation of the notifying means, the employee can take prompt and accurate measures, and the ball overflow backflow Can be prevented in advance. In the worst case, even if the employee does not notice the notification operation of the notification means, the drive stop means automatically stops the drive of the ball circulation drive means,
It is possible to reliably prevent overflow backflow of balls,
As a result, failure prevention of the ball circulation drive means can be brought about.

In the case where the ball passage is formed in a meandering shape by projecting a plurality of restriction walls on the inner wall of the return gutter from the upper end portion to the lower end portion thereof for restricting the linear drop of the balls. As for the ball flowing down inside the reflux gutter, the flow velocity is moderated, and instantaneous storage in the reflux gutter is avoided. Therefore, as described above, even when the amount of balls stored in the pachinko island stand increases, it is possible to delay the full amount of balls in the pachinko island stand, so that the driving of the ball circulation drive means is stopped. Can be minimized.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing the internal structure of a pachinko island stand according to an embodiment.

FIG. 2 is a vertical cross-sectional view showing a reflux gutter of the pachinko island stand.

FIG. 3 (A) is an explanatory diagram for controlling the blinking of the indicator light blue in accordance with the ball amount detection operation of the sensor A, and FIG. 3 (B) is
It is explanatory drawing which blink-controls the indicator light yellow according to the ball amount detection operation of the sensor B, and FIG. 6C is an explanatory view which blinks control the indicator light red with the ball amount detection operation of the sensor C. .

FIG. 4 is a flowchart showing a blinking control operation of the indicator light blue.

FIG. 5 is a flowchart showing a blinking control operation of the indicator lamp yellow.

FIG. 6 is a flowchart showing a blinking control operation of the indicator light red.

[Explanation of symbols]

 1 Pachinko island stand 2 Pachinko machine 3 Reduction machine (ball circulation drive means) 4 Notification lamp (report means) 5 Ball return device 7 Conveyor belt 10 Upper storage tank 15/16 Return gutter 17/18 Lower storage tank 20 Control wall 28 Ball Exit 31 Indicator light blue 32 Indicator light yellow 33 Indicator light red A / B sensor (storage amount detection means) C sensor (storage amount detection means, drive stop means)

Claims (6)

[Claims] 1. A ball circulating drive means for circulatingly driving the balls for supplying used balls collected from a plurality of pachinko machines to the pachinko machines again, and corresponding to a prize ball that a player has won. In a pachinko island stand equipped with a ball returning device for issuing a receipt of a numerical record for storing the pachinko island stand, the pachinko island stand comprises a storage amount detecting means for detecting a storage amount of balls circulated in the pachinko island stand, and the storage. According to the storage amount of the balls detected by the amount detection means, the notification means for notifying this stepwise, and the storage amount of a large amount of balls such that the circulation driving of the balls by the ball circulation driving means is hindered. When detected by the storage amount detection means, drive stop means for stopping the drive of the ball circulation drive means, and upper storage for storing the balls pumped by the ball circulation drive means and replenishing and flowing out to the pachinko machine Tank and the patch A lower storage tank for storing used balls from the NCO machine and flowing out to the ball circulation driving means; and a return gutter for returning excess balls in the upper storage tank to the lower storage tank. The pachinko island stand, wherein the quantity detecting means comprises a plurality of sensors arranged in the lower storage tank and the return gutter. 2. The pachinko island stand according to claim 1, wherein the lower storage tank is provided with a ball drop hole for removing balls stored in the lower storage tank. 3. The reflux gutter is formed as a meandering ball passage by providing a plurality of restricting walls for restricting a linear drop of balls from an upper end portion to a lower end portion on an inner wall thereof. The pachinko island stand according to claim 1 or 2, characterized in that. 4. The pachinko island stand according to claim 1, wherein the notifying means comprises a plurality of color-coded indicator lights. 5. The ball returning device is provided adjacent to a central portion of the pachinko island stand on which the ball circulation drive means is erected, and any one of claims 1 to 4 is provided. Pachinko island stand described in crab. 6. The pachinko island stand according to any one of claims 1 to 4, wherein the ball returning device is provided at a side end portion of the pachinko island stand.