JPH09234277A - Pachinko ball discharging device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce abrasion on the surface of a pachinko ball discharging device to be in contact with balls and, to easily remove a relatively large alien substance such as a screw or a piece of synthetic resin, etc., in the device. SOLUTION: This pachinko ball discharging device 7 consists of an upper support plate 11a with insertion holes 15a and 15b for pachinko balls, a lower support plate 11b with holes 16a and 16b through which pachinko balls fall down facing to the upper support plate 11a with a distance of a pachinko ball between each other, a ball cutting rotor 13 installed rotatably between the upper and lower support plates 11a and 11b with support holes 18a-18d which receive pachinko balls falling down and send them to the holes 16a and 16b, and a driving motor 14 which is to rotate the rotor 13. On the lower support plate 11b, through grooves 26, 26 are formed which are connected to the holes 16a and 16b. The through grooves are concentric with the center of the support holes 18a-18d on the rotor 13, and the width of the grooves is wide enough to support a pachinko ball at two points on the lower part of the ball.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upper support plate having an insertion hole for a pachinko ball and a pachinko ball facing each other at an interval of one pachinko ball. It is rotatably provided in the space between the lower support plate having the drop holes and the upper support plate and the lower support plate, and receives the pachinko ball falling from the introduction hole to the drop hole of the lower support plate. The present invention relates to a pachinko ball dispenser including a ball cutting rotor having a penetrating holding hole for transfer and a drive motor for rotating the ball cutting rotor.

[0002]

2. Description of the Related Art Conventionally, as a pachinko ball dispensing device, an upper support plate having a pachinko ball introduction hole formed therein and a pachinko ball are provided facing each other at a distance of one pachinko ball. The lower support plate, which is rotatably provided in the space between the lower support plate and the upper support plate and the lower support plate, in which the pachinko ball drop hole is formed, receives the pachinko ball falling from the introduction hole, and There is known one having a configuration including a ball cutting rotor having a penetrating holding hole for transporting to the drop hole and a drive motor for rotating the ball cutting rotor (for example, Japanese Patent Application Laid-Open No. 5-14654 by the present applicant).
No. 9).

In the pachinko ball dispensing device having such a structure, the head pachinko ball continuously supplied from the supply passage to the introduction hole is received in the holding hole of the ball cutting rotor, and the ball cutting rotor is rotated. Thus, the pachinko ball received in the holding hole is transported to the dropping hole and discharged while being supported on the lower support plate.

[0004]

In the conventional pachinko ball dispensing device described above, one lower portion of the pachinko ball received in the holding hole of the ball-slicing rotor is supported on the lower support plate and transferred to the dropping hole at high speed. Since the upper surface of the lower support plate is worn by the contact friction of the pachinko balls, the pachinko balls will not be discharged smoothly in a short period of use, and the knocking phenomenon due to ball biting will easily occur, resulting in accurate pachinko balls. There was a problem that the ball payout operation could not be expected.

Further, when a foreign substance such as a screw or a relatively large synthetic resin piece is mixed in the pachinko ball, the foreign substance is caught in the gap between the ball cutting rotor and the lower support plate, and a large load is applied to the drive motor, which causes a short period of time. However, there is a problem in that the drive motor is broken or the rotation of the ball cutting rotor becomes irregular due to the use of, and accurate pachinko ball ejection cannot be performed.

Furthermore, if oily dirt such as hand dust adhered to the pachinko balls adheres to the upper surface of the lower support plate, the pachinko balls will not be transferred smoothly due to the dirt, resulting in a load on the drive motor and a failure. There were various problems such as the cause of

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to reduce wear caused by contact of a pachinko ball and reduce a load applied to a drive motor. By doing
An object of the present invention is to provide a pachinko ball dispensing device that can smoothly discharge pachinko balls and can withstand long-term use.

[0008]

In order to achieve the above object, the present invention provides an upper support plate having an insertion hole for a pachinko ball and an upper support plate spaced apart by one pachinko ball. A pachinko ball that is rotatably provided in a space between a lower support plate that is provided facing each other and has a hole for dropping a pachinko ball and an upper support plate and a lower support plate, and that falls from an introduction hole. In a pachinko ball dispensing device comprising a ball cutting rotor having a penetrating holding hole for receiving and transporting the ball to a drop hole of the lower support plate, and a drive motor for rotating the ball cutting rotor, the drop hole is formed in the lower support plate. And a through groove portion that is in communication with the ball cutting rotor, the through groove portion is provided concentrically with the center of the holding hole of the ball cutting rotor, and the lower portion 2 of the pachinko ball is formed.
The groove width is set so as to support the points.

In order to support the pachinko ball in a stable state, the through groove portion preferably has an upper edge portion formed as a tapered surface, and the tapered surface supports the lower two points of the pachinko ball.

In the pachinko ball dispensing device configured as described above, the pachinko ball received from the introduction hole into the holding hole of the ball cutting rotor has the lower two points supported by the through groove portions of the lower support plate. Become. Therefore, wear of the lower support plate due to the contact of the pachinko balls is reduced, the knocking phenomenon due to ball biting is eliminated, dirt of the pachinko balls is less likely to adhere, and the pachinko balls can be smoothly discharged.

Further, foreign matters such as screws and synthetic resin pieces mixed in the pachinko ball fall down from the through groove portion and are reliably removed, so that the ball cutting rotor can be smoothly rotated and the load applied to the drive motor is increased. Can be reduced.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of the present invention will be described with reference to the drawings. First, a pachinko machine to which the pachinko ball payout device according to the embodiment of the present invention is applied will be described with reference to FIG. In FIG. 1, 1 is a front frame of a pachinko machine, 2 is a game board that is detachably attached to the back surface of the front frame 1, and 3 is a mechanism plate made of synthetic resin that is openably and closably attached to the back surface of the game board 2. . A ball tank 4 is fixed to the upper part of the back surface of the mechanism plate 3, and the pachinko balls in the ball tank 4 are dispensed through the tank rail 5 and two vertical supply passages 6a and 6b. I am led to 7. Reference numeral 8 is a discharge gutter that guides the pachinko ball paid out from the payout device 7 to the hitting ball supply tray in front of the machine.

On the other hand, a mechanism plate 3 facing the back surface of the game board 2
A prize winning ball collecting portion 9 for collecting prize winning balls is formed inside, and a prize winning ball detector 10 is provided at the exit thereof. The winning ball detector 10 detects winning balls collected in the winning ball collecting section 9 one by one and sends a signal to the payout device 7. Then, the payout device 7 is driven and controlled by a signal from the winning ball detector 10.

As shown in FIGS. 3 to 5, the dispensing device 7 has a hollow box-shaped case body 11, a ball cutting rotor 13 provided inside the case body 11 by a shaft 12 so as to be horizontally rotatable, and the ball. A drive motor 14 for rotating the cutting rotor 13 is generally configured.

As shown in FIGS. 3 and 4, the case body 11 has an introduction hole 15 communicating with the lower ends of the supply passages 6a and 6b.
The upper support plate 11a is provided with two holes a and 15b, and the lower support plate 11b is provided with two drop holes 16a and 16b. The space between the upper support plate 11a and the lower support plate 11b is set to about one pachinko ball.

The ball cutting rotor 13 has a predetermined thickness, is formed in a gear shape having teeth 17 on the outer circumference, and is supplied through the introduction holes 15a and 15b.
Four penetrating holding holes 18a to 18d for receiving the leading pachinko balls of a and 6b are formed at equal intervals on a concentric circle centered on the shaft 12.

In the present embodiment, the drive motor 14 is a stepping motor that rotates a predetermined angle each time there is a pulse signal, and its motor shaft 19 is located inside the case body 11 and is located at the protruding end. Ball cutting rotor 1
A driving gear 20 that meshes with the tooth portion 17 of No. 3 is fixed. In the case of the present embodiment, the drive motor 14 is rotated by half a rotation in response to the pulse signal, and the ball cutting rotor 13 is driven by the drive motor 14 in a half rotation.
It is set so as to rotate by 45 degrees via.

As shown in FIG. 5, the introduction holes 15a and 15b are provided with any two holding holes 18a and 18c located symmetrically with respect to the shaft 12 every time the ball cutting rotor 13 rotates by 45 degrees. The position is set so as to hold the pachinko ball in conformity with 18b and 18d. In addition, one of the drop holes 16a and 16b is provided in the direction of rotation of the ball cutting rotor 13 from the introduction hole 15a.
The other drop hole 16b is provided at a position displaced by 90 degrees from the introduction hole 15b in the same rotation direction.

Further, on the lower surface of the upper support plate 11a, the ball stopper projection 2 is formed so as to be located at the peripheral edge of the introduction holes 15a and 15b and in the space between the upper surface of the ball cutting rotor 13 and the upper surface.
1, 21 and guide protrusions 22, 22 are provided. On the other hand, on the upper surface of the lower support plate 11b, the drop holes 16a and 16b are formed.
Guide protrusions 23, 23 are provided in the space around the periphery of the ball cutting rotor 13 and the lower surface of the ball cutting rotor 13.

The ball stopper projections 21 and 21 are provided so as to be able to contact the pachinko balls held in the holding holes 18a to 18d of the ball cutting rotor 13, and the holding holes 18a to 18d.
It receives the ball pressure of the supply passages 6a and 6b that is hung on the pachinko ball 18d, and acts to prevent the reverse rotation phenomenon of the ball cutting rotor 13 due to the ball pressure. Also,
The guide protrusions 22, 22 and 23, 23 are formed in the holding hole 18
The pachinko balls carried by the a to 18d are brought into contact with each other to forcibly discharge downward from the drop holes 16a and 16b. Incidentally, 24 is a switch box attached to the lower surface of the case body 11, and 25 and 25 are pachinko ball detectors for detecting the pachinko balls discharged from the drop holes 16a and 16b.

The payout device 7 described so far is described in Japanese Patent Application Laid-Open No. 7-144055 by the present applicant and is well known, and its operation will be described. A game ball shot on the game board 2 wins. Then, the winning balls are guided to the winning ball collecting unit 9 and detected one by one by the winning ball detector 10. The detection signal of the winning ball detector 10 is sent to and stored in a control circuit (not shown), and a pulse signal is output to the motor drive circuit. Further, when the drive circuit receives the pulse signal, the drive motor 14 is rotated by half and the ball cutting rotor 13 is rotated by 45 degrees.

On the other hand, of the pachinko balls that are continuously waiting in the supply passages 6a and 6b, the leading pachinko ball is the introduction hole 1.
5a, 15b to the holding hole 18a of the ball cutting rotor 13,
It is inserted into 18c or 18b, 18d and held. When the ball cutting rotor 13 rotates 45 degrees in the direction of the arrow in FIG. 5, the holding hole 18a is aligned with the drop hole 16a and the holding hole 1a
The pachinko balls held by 8a are discharged to the lower discharge gutter 8, and when the ball cutting rotor 13 further rotates by 45 degrees, the holding holes 18c are held by the holding holes 18c so as to match the falling holes 16b. The pachinko ball is discharged to the discharge gutter 8 through the drop hole 16b. Further, at the same time when the pachinko balls are discharged, the holding holes 18b and 18d of the ball cutting rotor 13 match the introduction holes 15a and 15b and hold the leading pachinko balls of the supply passages 6a and 6b in the holding holes 18b and 18d. After that, the above operation is repeated, and every time the ball cutting rotor 13 rotates by 45 degrees, one pachinko ball is discharged to the discharge gutter 8.

As shown in FIGS. 4 to 6, fan-shaped through grooves 26, 26 communicating with the drop holes 16a, 16b are formed in the lower support plate 11b. The through groove portions 26, 26 are formed in the holding holes 18 of the ball cutting rotor 13.
a to 18d are provided concentrically with the center, and the holding holes 18 of the ball cutting rotor 13 from the introduction holes 15a and 15b.
The groove width is set so as to support the lower two points of the pachinko ball fitted and held in a to 18d. More specifically, the tip ends of the through grooves 26, 26 are the upper support plate 1.
1a, which are positioned so as to correspond to the introduction holes 15a and 15b of the ball cutting rotor 13, while supporting the lower portions of the pachinko balls fitted into the holding holes 18a to 18d of the ball cutting rotor 13 at two points, the falling holes 16a of the lower support plate 11b, It has a function of transferring to 16b and discharging.

Therefore, the pachinko balls fitted into the holding holes 18a to 18d of the ball cutting rotor 13 through the introduction holes 15a and 15b are held by the through grooves 26 and 26.
The pachinko balls are discharged reliably and smoothly because they are transported to the drop holes 16a and 16b while being held in a stable state in the central portion of 18d.

Further, since the lower two points of the pachinko ball are supported by the through grooves 26, 26, the abrasion of the lower support plate 11b due to the contact of the pachinko ball is reduced, and the knocking phenomenon due to the ball biting is eliminated. The stains on the pachinko balls are less likely to adhere, and the pachinko balls can be smoothly discharged.

Further, even if a relatively large foreign substance such as a screw or a synthetic resin piece is mixed in the pachinko ball and fitted into the holding holes 18a to 18d of the ball cutting rotor 13, the foreign substance is passed through the groove portion 2.
It can be surely removed by dropping downward from the gap of 6, 26. Therefore, the ball cutting rotor 13 can be smoothly rotated, and the load on the drive motor 14 can be reduced.

In the above-described embodiment, the through groove portion 2
Although 6 and 26 have been described as merely groove-shaped ones, the upper edges of the transmissive groove portions 26 and 26 may be formed as tapered surfaces 27 and 27 as shown in FIG. 7, for example. In this case, the pachinko balls can be further discharged in a stable state.

[0028]

As is apparent from the above description, the pachinko ball dispensing device according to the present invention is a pachinko ball that is transferred while being held in the holding hole of the ball cutting rotor.
Since the lower two points are supported by the through groove formed on the lower support plate instead of the point support, the pachinko ball can be transferred in a stable state and the contact portion of the pachinko ball is worn. It is possible to reduce the adhesion of dirt to the pachinko balls and to prevent the knocking phenomenon due to ball biting, and to smoothly and accurately discharge the pachinko balls.

Further, since relatively large foreign matters such as screws and synthetic resin pieces mixed in the pachinko balls can be surely discharged downward from the through groove portion, the ball cutting rotor can be smoothly rotated, and the drive motor can be driven. It is possible to reduce the load on the.

[Brief description of drawings]

FIG. 1 is a back view of a pachinko machine to which a pachinko ball dispensing device of the present invention is applied.

FIG. 2 is a perspective view of a pachinko ball dispensing device portion according to the present invention.

FIG. 3 is a perspective view of a pachinko ball dispensing device according to the present invention.

FIG. 4 is an exploded perspective view of FIG.

5 is a plan view showing a part of FIG. 3 in section.

FIG. 6 is a side sectional view of a main part of FIG.

FIG. 7 is a side sectional view of an essential part showing another embodiment.

[Explanation of symbols]

 7 Pachinko ball dispensing device 11a Upper support plate 11b Lower support plate 13 Ball cutting rotor 14 Drive motors 15a, 15b Introduction holes 16a, 16b Drop holes 18a-18d Holding holes 26, 26 Transparent groove part

Claims (1)

[Claims] 1. An upper support plate having a pachinko ball introduction hole formed therein, and an upper support plate facing the upper support plate at a distance of one pachinko ball, and having a pachinko ball drop hole formed therein. A pierced holder that is rotatably provided in the space between the lower support plate and the upper support plate and the lower support plate, and that receives a pachinko ball falling from the introduction hole and transfers it to the falling hole of the lower support plate. In a pachinko ball dispensing device comprising a ball cutting rotor having a hole and a drive motor for rotating the ball cutting rotor, a penetrating groove portion communicating with the falling hole is formed in the lower support plate, and the penetrating groove portion is a ball cutting member. A pachinko ball dispensing device, which is concentrically provided with a center of a holding hole of a rotor and has a groove width set so as to support two lower points of the pachinko ball.