JPH0263030B2 - - Google Patents

Description

Detailed Description of the Invention This invention mixes an abrasive with pachinko balls, introduces this mixture into a lifting pipe, and lifts the pachinko balls while cleaning them by rotating a spiral body provided in the pipe. This invention relates to a device for lifting and transporting pachinko balls.

Examples of devices that clean pachinko balls while transporting them together with abrasive material include the device described in Japanese Patent Publication No. 4546/1983, and the device described in Japanese Patent Application Laid-Open No. 131468/1987, which was previously filed by the applicant of the present application. There is. However, conventional lifting devices have the disadvantage that only pachinko balls are easily introduced into the lifting pipe and it is difficult to introduce the abrasive material, and when the number of pachinko balls flowing down from the pachinko ball gutter is small, it is difficult to introduce pachinko balls into the storage tank. The disadvantage is that the level of accumulated abrasive material increases and sometimes this abrasive material forms clumps that obstruct the flow of pachinko balls.

The present invention has been proposed in view of the above, and includes a cylindrical body with a reduced diameter opening at the lower end, which faces the inside of the tank from above, a pachinko ball gutter connected to the side of the cylindrical body, and a pachinko ball gutter connected to the side surface of the cylindrical body. A hole for abrasive circulation is made in the side surface of the lower cylinder, and a spiral body is inserted into the lifting pipe raised from the cylinder, and the lower end of the spiral is guided downward from the lower end opening of the cylinder. extend it,
Connecting the abrasive supply gutter to the cylinder,
An abrasive guide path for guiding the abrasive to the lower opening of the transport pipe is provided inside the cylindrical body, and an abrasive outlet is provided on the side of the cylindrical body surrounded by the guide path. Connect the branch gutter branched from the timber gutter to the above tank,
By providing an abrasive guide path inside the cylindrical body that guides the abrasive to the lower opening of the transport pipe, pachinko balls and abrasives can be introduced into the transport pipe at an appropriate mixing ratio. To provide a pachinko ball lifting device that can supply a sufficient amount of abrasive even when the number of pachinko balls is small and can efficiently lift pachinko balls while preventing the abrasive from hardening. It is.

The present invention will be explained below based on drawings of embodiments.

As shown in FIG. 1, the pachinko ball lifting device 1 is vertically arranged at an appropriate position in a row of pachinko machines in which a plurality of pachinko machines 2... A tank 4 is provided at the inclined lower end of a pachinko ball gutter 3 for collecting balls, a lifting pipe 5 is raised from the tank 4, and a spiral body 6 is inserted into the pipe 5.

The tank 4 is for storing abrasive material made of small particles such as synthetic resin or rubber.The tank 4 shown in FIG. It has an inclined plate 7 that collects the water at the center of the bottom.

A cylindrical body 8 is faced from above inside the tank 4, the lower part of the lifting pipe 5 is located in the center of the cylindrical body 8, and the inclined lower part of the pachinko ball gutter 3 is placed at the lower side of the cylindrical body 8. An abrasive trough 9 is connected to the end opening 3' and to the upper side of the cylinder.

The cylindrical body 8 guides the pachinko balls A flowing out from the pachinko ball gutter 3 and the abrasive material B supplied from the abrasive material gutter 9 into the lifting pipe 5 at an appropriate ratio. The abrasive circulation hole 10 is provided at a position lower than the connecting portion, and the diameter of the lower end opening 11 is made smaller than the inner diameter in the middle. The cylindrical body 8 shown in FIG. 2 has a body part 8a having the same inner diameter in the length direction, and a lower end opening 11 whose upper surface is inclined downward from the outside toward the center, and which extends downward from the inclined lower end.
A funnel-shaped bottom part 8b whose inner diameter is slightly larger than the outer diameter of the spiral body 6 is connected to the pachinko ball gutter 3 to the body part 8a, and a pachinko ball whose vertical length is below the connecting part 3'. A horizontally elongated abrasive circulation hole 10 smaller than the diameter of the abrasive material is provided. As shown in FIG. 3, inside this cylindrical body 8, a partially cut-out annular first partition wall 12 is installed horizontally or slightly between the outer surface of the lift pipe 5 and the inner surface of the body 8a. The first partition wall 1 is provided in an inclined manner.
Second partition walls 13, 13 are provided along the lifting pipe 5 downward from the left and right ends of the notch 12' of the second part, and the cylinder body is surrounded by the opposing second partition walls 13, 13. An abrasive outlet 14 is provided on the side of 8.
In this way, the inside of the cylinder 8 is moved from the outlet 9a of the abrasive gutter 9 through the upper surface of the first partition wall 12 by the first and second partition walls 12 and 13, and is lifted up from the notch 12' of the partition wall 12. Descending along the outer surface of the feed pipe 5,
An abrasive guide path 15 whose part on the way down communicates with the outside of the cylinder 8 from the abrasive outlet 14 and whose lower end outlet faces the lower opening 5a of the lifting pipe 5, and the pachinko ball gutter 3.
The lower end outlet communicates with the lower opening 5 of the lifting pipe 5.
It is divided into a pachinko ball guide path 16 facing a.
Therefore, the abrasive supplied from the outlet 9 a of the abrasive gutter 9 passes through the abrasive guide path 15 , flows out from the abrasive outlet 14 on the way to the outside of the cylinder 8 , and flows into the cylinder 8 .
It flows down to the vicinity of the lower end opening 11 and from the lower end outlet of the guide path 15 to the lower opening 5 of the lifting pipe 5.
Flows down near a. Further, the pachinko balls supplied from the pachinko ball gutter 3 flow down the pachinko ball guide path 16 and are guided to the lower opening 5a of the lifting pipe 5.

Note that the first partition wall 12 has a plurality of notches 12'...
from each notch 12' to the second partition wall 13.
A plurality of abrasive guide paths 15 may be formed by extending the abrasive guide paths 15 downward, and an abrasive outlet 14 may be opened on the side surface of the cylindrical body 8 surrounded by each guide path 15.

The lifting pipe 5 is made of a metal pipe material such as stainless steel, and the lower opening 5a is connected to the cylinder 8.
A drive source (for example, a geared motor) 17 for rotating the spiral body 6 is provided at the top. Note that the gap between the lower opening 5a of the lifting pipe 5 and the inner surface of the cylinder 8 is set wider than the diameter of the pachinko ball.

The spiral body 6 is formed by connecting a first spiral body 6a with a large diameter and a second spiral body 6b with a smaller diameter than the first spiral body 6a.
It protrudes from the lower opening 5a of the cylindrical body 8, and its lower end portion extends downward from the lower end opening 11 of the cylindrical body 8. The upper end of the second spiral body 6b is connected to the output shaft 17' of the drive source 17. Note that the first spiral body 6a is
Urethane and other soft or semi-hard synthetic resins,
Alternatively, it is preferable to use a flexible material such as rubber.

A sorting device 18 connected to the upper opening 5b of the lifting pipe 5 separates the mixture discharged from the lifting pipe 5 into pachinko balls A and abrasive material B. The sorting device 18 shown in FIGS. 1 and 4 has a gap larger than the outer diameter of the abrasive material B, and the pachinko ball A
The screen element 19, which is smaller in outer diameter than the outer diameter of the screen element 19, is slightly inclined downward, and the saucer 20 is placed below the screen element 19. Then, the sloped upper end of the bamboo basket 19 is connected to the upper opening 5b of the lifting pipe 5, the sloped lower end is connected to the ball storage tank 21, and the ball supply gutter 22 extending from the tank 21 is connected to each pachinko machine 2... It's connected. Further, the inlet 9b of the abrasive gutter 9 is connected to the inclined lower end of the receiving tray 20.

In the pachinko ball lifting device 1 described above, when the spiral body 6 is rotated by the drive source 17, the abrasive material B flowing out from the abrasive material outlet 14 and accumulated near the bottom of the tank 4 is lifted up by the first spiral body 6a. The feeding surface 6a' first scoops up into the lower end opening 11 of the cylinder 8, and near the lower opening 5a of the lifting pipe 5, the abrasive B... scooped up from the bottom of the tank 4 is applied to the lower opening 5a. The abrasive material B and the pachinko balls A are scooped up and introduced into the lifting pipe 5, and are forced upward. Although the abrasive material B is much smaller than the pachinko balls A, it is spread to the center of the cylinder part 8, that is, near the helical body 6, by the diameter-reduced lower end opening in the vicinity of the lower opening 5a of the lifting pipe 5. Since the balls are collected, they are placed on top of the pachinko balls A or are introduced into the transport pipe together with the pachinko balls while being sandwiched between adjacent pachinko balls. Therefore, the abrasive material B flowing down from the lower end outlet of the abrasive material guide path 15...
Even if there are pachinko balls A near the lower opening 5a of the lifting pipe 5, most of the pachinko balls A...
It is also introduced into the lifting pipe 5. Furthermore, even if the number of pachinko balls flowing down from the pachinko ball gutter 3 increases dramatically and the proportion of pachinko balls A near the lower opening 5a of the lifting pipe 5 increases, the first spiral 6a
Since the abrasive material B scooped up from near the bottom of the tank 4 is introduced into the transport pipe 5 by adding the pachinko balls A near the lower end of the transport pipe 5, there is always a sufficient amount inside the transport pipe 5. Abrasive materials can be introduced. Note that if the abrasive material B is present near the lower opening 5a of the lifting pipe 5, even if the proportion of pachinko balls A increases, this abrasive material B will function in the same way as the balls of a ball bearing, and will also act as a cushioning material. It also functions as a ball, making it easier for pachinko balls to flow. Therefore, even if the number of pachinko balls A supplied into the cylinder 8 increases dramatically, a sufficient amount of abrasive can be mixed in and the pachinko balls near the lower opening 5a can be scooped up efficiently. It can be transported.

Note that, even if the abrasive guide path 15 is not provided in the cylinder 8 or the outlet 14 is not provided on the side surface of the cylinder 8,
Since the lower end opening 11 of the cylinder 8 is reduced in diameter,
Pachinko balls A and abrasive material B can be introduced into the lifting pipe 5 at an appropriate mixing ratio. but,
More reliable effects can be expected by providing the abrasive guide path 15 and the abrasive outlet 14.

When a mixture of pachinko balls A and abrasive material B is introduced into the transport pipe 5, the abrasive material B polishes and cleans the pachinko balls A by rotation of the second spiral body 6b. The mixture is then pressed upward by the mixture rising sequentially from below and flows into the sorting device 18.

When the mixture flows into the sorting device 18 and is placed on the screen 19, fine particles such as abrasive B, rust, and dirt fall through the gaps in the screen 19 into the tray 20, and only pachinko balls A are sorted and stored. It flows down to tank 21. The abrasive material B that has fallen into the tray 20 is again supplied into the cylinder 8 by the abrasive material gutter 9 and is used repeatedly. On the other hand, the pachinko balls A that have flown down to the ball storage tank 21 pass through the ball supply gutter 22 and are supplied to each pachinko machine 2 as prize balls by a ball supply device 23 provided for each pachinko machine.

Note that when the ball supply gutter 22 and the ball storage tank 21 are filled with pachinko balls, the detector 24 facing into the ball storage tank 21 is turned off, and the drive source 17 is turned off.
and interrupt pumping of the mixture. Therefore, pachinko balls do not overflow from the ball supply gutter 22 or the ball storage tank 21.

On the other hand, when the spiral body 6 is rotated in a state where there are no or very few pachinko balls flowing into the cylinder body 8 from the pachinko ball trough 3, the abrasive material B supplied from the outlet 9a of the abrasive material trough 9 becomes an abrasive material. Guide route 1
5, and a part of it flows down through the abrasive outlet 14 on the way.
The remaining part flows down from the lower end exit of the abrasive guide path 15 to the vicinity of the lower opening 5a of the lifting pipe 5. Then, the abrasive material B flowing down near the lower opening 5a of the lifting pipe 5...
A portion thereof is introduced into the lifting pipe 5 by the rotation of the first spiral body 6a. In addition, the remaining part is pressed by the abrasive material B rising from near the bottom of the tank 4 by the first spiral body 6a and becomes a funnel-shaped bottom 8.
The abrasive material ascends the inclined upper surface of b and flows out of the cylinder body 8 through the abrasive circulation hole 10. Abrasive material B leaked out of the cylinder 8
The water descends inside the tank 4 and is collected at the center of the bottom by the inclined plate 7. Then, it is scooped up by the first spiral body 6a and returned to the vicinity of the lower opening 5a of the lifting pipe 5 again. A portion of the abrasive B returned to the vicinity of the lower opening 5a of the lift pipe 5 is introduced into the lift pipe 5, and the remaining portion is discharged out of the cylinder 8 from the abrasive circulation hole 10 again. Therefore, inside the tank 4, as shown by the arrow in FIG. 5 A circulating flow of abrasive B rises from the vicinity of the lower opening 5a toward the abrasive circulation hole 10, flows out from the inside to the outside in the abrasive circulation hole 10, and returns to the center of the bottom again. .

In this way, if the abrasive material B... is constantly circulated without stagnation, even if there are no pachinko balls, the abrasive material B...
does not solidify into lumps. Therefore, if a pachinko ball enters the cylinder body 8 from the pachinko ball gutter 3,
The pachinko balls A are smoothly introduced into the lifting pipe 5 without being obstructed by the lumpy abrasive material. Therefore, the first spiral body 6a can efficiently scoop up the pachinko balls A and the abrasive material B and force feed them into the lifting pipe 5.

The lifting device shown in FIG.
5' is connected to the side surface of the tank 4, and the abrasive material B collected from the sorting device 18 is passed through the abrasive material guide path 15 inside the cylinder body 8.
The abrasive material is caused to flow down to the vicinity of the lower opening 5a of the lifting pipe 5, and the abrasive is directly introduced into the tank 4 through the branch trough 25, and is caused to flow down to the vicinity of the lower end opening 11 of the cylindrical body 8. In FIG. 5, the same components as those of the sorting device are designated by the same reference numerals.

In this way, the branch gutter 25 transports the abrasive material through the lower end opening 11 of the cylinder body 8 through a route different from the abrasive material guide path 15.
By placing the abrasive material nearby, it is possible to dispense a sufficient amount of abrasive material even if the number of pachinko balls in the cylinder body 8 increases, similar to the above-mentioned lifting device, without having to open an abrasive material outlet on the side surface of the cylinder body 8. They can be mixed and transported. Further, since the abrasive circulation holes 10 are formed in the side surface of the cylinder 8, a circulating flow of abrasive can be generated even when there are few pachinko balls or no pachinko balls at all. Therefore, it is possible to prevent the abrasive from clumping up and obstructing the flow of pachinko balls.

In addition, in the lifting device shown in FIG.
5 is connected to the side surface of the tank 4, however, in the present invention, any configuration may be used as long as the abrasive material separated from the abrasive material gutter 9 can flow down to the vicinity of the lower end opening 11 of the cylindrical body 8. For example, the branch gutter 25 may be passed through a gap formed by the upper inner surface of the tank 4 and the upper outer surface of the cylindrical body 8, so that the lower end outlet of the branch gutter 25 faces the inside of the tank 4.

As explained above, according to the present invention, a cylindrical body whose diameter is reduced at the lower end is made to face the inside of the tank from above, and a pachinko ball gutter is connected to the side surface of the cylindrical body, and the pachinko ball gutter is connected to the side surface of the cylindrical body. An abrasive circulation hole is opened in the side surface of the low cylinder, a lifting pipe is made to stand up from inside the cylinder, a spiral body rotated by a drive source is inserted into the inside of the lifting pipe, and the lower end of the spiral body is connected to the cylinder. An abrasive material guideway extending downward from the lower end opening of the body and connecting the abrasive material gutter to the cylindrical body, and an abrasive material guide path for guiding the abrasive material to the lower opening of the transport pipe is provided inside the cylindrical body; Since the abrasive outlet is provided on the side of the cylinder surrounded by the guide path, pachinko balls and abrasive can be introduced into the transport pipe at an appropriate mixing ratio, regardless of the amount of pachinko balls. By adjusting the amount of abrasive to a sufficient level, sufficient cleaning ability can always be exhibited. Furthermore, since a circulating flow of the abrasive can be generated inside the tank, the abrasive does not solidify. Therefore, it is possible to eliminate the drawback of conventional lifting devices in that agglomerates of abrasive material obstruct the flow of pachinko balls, and it is possible to efficiently lift and transport pachinko balls. Furthermore, if a branch gutter branched from the abrasive material is connected to the tank, the abrasive material can be guided to the vicinity of the opening at the lower end of the cylindrical body without providing an abrasive material outlet on the side surface of the cylindrical body. Therefore, the amount of abrasive can be made sufficient regardless of the amount of pachinko balls.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a partially cutaway front view, Fig. 2 is an enlarged sectional view of the main part, Fig. 3 is a perspective view of the main part, and Fig. 4 is a view of the main part. Plan view,
FIG. 5 is a sectional view of a main part of a lifting device in which the abrasive material is guided into a tank by a branch gutter. 1... Lifting device, 3... Pachinko ball gutter, 4...
Tank, 5... Lifting pipe, 6... Spiral body, 8... Cylindrical body, 9... Abrasive material gutter, 10... Abrasive material circulation hole, 1
1... Lower end opening, 14... Abrasive material introduction port, 15
... Abrasive material guide path, 17 ... Drive source, 25 ... Branch gutter, A ... Pachinko ball, B ... Abrasive material.

Claims (1)

[Scope of Claims] 1. A cylindrical body with a reduced diameter opening at the lower end faces the inside of the tank from above, and a pachinko ball gutter is connected to the side surface of the cylindrical body, and the side surface of the cylindrical body is lower than this connecting part. An abrasive circulation hole is opened in the cylindrical body, a lifting pipe is raised from the cylindrical body, a spiral body rotated by a drive source is inserted into the inside of the lifting pipe, and the lower end of the spiral body is inserted into the lower end opening of the cylindrical body. An abrasive material gutter is connected to the cylindrical body, and an abrasive material guide path is provided inside the cylindrical body to guide the abrasive material to the lower opening of the transport pipe. A pachinko ball lifting device comprising an abrasive outlet provided on the side surface of the enclosed cylindrical body. 2 A cylindrical body with a reduced diameter opening at the lower end faces the inside of the tank from above, a pachinko ball gutter is connected to the side of the cylindrical body, and an abrasive circulation hole is provided on the side of the cylindrical body lower than this connection part. A lifting pipe is erected from the cylinder, a spiral body rotated by a drive source is inserted into the lifting pipe, and the lower end of the spiral body is extended downward from the lower end opening of the cylinder. An abrasive gutter is connected to the cylindrical body, and a branch gutter branched from the abrasive gutter is connected to the tank. A pachinko ball lifting device with a guide path.