JP2002035248A - Ball shooting device for pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ball shooting device for a Pachinko machine preventing the occurrence of such damage as burrs at the ball collision section of a metal base plate. SOLUTION: A flat plate-like buffer 9 for absorbing impacts is closely fitted to the ball collision section of the metal base plate 1, on which the rolling balls sent from a ball feeding device 6 collide, flatly without being corrugated from the surface of the base plate 1 in a fitting hole 10 provided on the ball collision section and without leaving a gap between the inner peripheral section of the fitting hole 10 of the base plate 1 and the peripheral edge section of the flat plate-like buffer 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball launching device for a pachinko machine for launching a ball into a game area of a game board.

[0002]

2. Description of the Related Art A metal ball firing rail, a ball hammer for playing a ball, a solenoid for driving the ball hammer, and a ball feeder for supplying balls one by one to a ball position are provided at the lower part of the game board of a pachinko machine. Such as ball shooting related members for shooting a ball to the game board surface are attached, but conventionally, a ball shooting rail is provided on the lower front surface of the game board mounting frame, or a ball ball is provided on the lower back face of the game board. By installing a hammer so as to face the ball firing position of the firing rail, mounting a solenoid near the ball hammer, or installing a ball feeder on the back side of the game board where the ball supply plate is mounted, etc. However, since the bullet-ball-related members are separately mounted at predetermined positions, there are problems such as a long time for mounting adjustment and troublesome repair and replacement.

In order to solve such a problem, recently, a plurality of members for launching a ball are integrally mounted on a metal base plate, and the base plate is mounted on a lower front surface of a game board mounting frame. We are moving to the system. However, this metal base plate is manufactured by stamping a metal plate such as an iron plate by a press or by die-casting a zinc alloy or the like, and is made of steel whose surface is subjected to a surface hardening treatment such as carburizing and quenching. It is softer and lower in strength than the sphere. When a rolling ball delivered from a ball feed member at a rate of 100 per minute collides with such a metal base plate, damage such as metal turning occurs at a ball collision portion of the base plate, and When the ball hits the metal turning portion, the position of the ball hitting the game board is shifted, which has a problem that the ball jumps.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and provides a ball shooting device for a pachinko machine which does not cause damage such as curling at a ball collision portion of a metal base plate. It was made to provide.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a ball launching apparatus for a pachinko machine according to the present invention comprises a metal base plate, a ball launching rail, a ball hammer, a solenoid, and a ball feeder. In a ball launching device of a pachinko machine in which a plurality of ball launching related members such as a device are integrally assembled, an impact is applied to a ball hitting portion of the base plate against which a rolling ball sent from a ball feeder hits. The present invention is characterized in that a flat cushioning material for absorbing is provided. In addition, a mounting hole is provided in the ball collision portion of the base plate, and the flat buffer material is flat in this mounting hole without unevenness from the surface of the base plate, and the inner peripheral portion of the hole of the base plate and the peripheral edge of the flat buffer material are It is desirable to mount them closely without leaving a gap between them.

The ball launching apparatus for a pachinko machine according to the present invention, in which a flat cushioning material is disposed at a ball collision portion of a metal base plate to prevent damage to the base plate and to prevent the rolling ball from being damaged. The vehicle can be quickly stopped at the position of a bullet, and vibration and noise can be reduced. Further, a flat cushioning material is flattened in the mounting hole provided in the ball collision portion without unevenness from the surface of the base plate, and a gap is formed between the inner peripheral portion of the hole of the base plate and the peripheral edge portion of the flat cushioning material. By closely attaching the ball without leaving it, the ball can be stably and smoothly fired on the game board surface without changing the ball muscle or speed of the fired ball.

[0007]

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. 1 and 2 are views showing a ball launching device of a pachinko machine according to one embodiment of the present invention, wherein 1 is a metal base plate, 2 is a ball hammer, and 3 is a ball hammer. A solenoid 4 is a ball firing rail, 5 is a ball stopper for positioning a ball at a ball position, and 6 is a ball feeder for supplying balls one by one. The balls are fed from a ball supply tray (not shown) to the ball feeder 6 via the front opening 7, and the ball is fed from the ball feeder 6 to the rear opening one by one in conjunction with the ball of the ball hammer 2. After the ball is hit from the base plate while being rolled out and colliding with the base plate 1, the ball is stopped at the ball position on the ball firing rail 4 by the ball stopper member 5. A flat cushioning material 9 such as rubber or rubber is stuck to prevent the ball from directly hitting the base plate.

FIGS. 3 and 4 show how the flat cushioning member 9 is attached. A mounting hole 10 is provided in the ball collision portion of the metal base plate 1, and a flat cushioning material 9 having almost the same shape and thickness as the mounting hole 10 is embedded using an adhesive or the like.
As shown in FIG. 4, the flat cushioning material 9 can be stuck flat from the surface of the base plate without unevenness, and the inner peripheral portion of the hole 10 of the base plate and the peripheral edge portion of the flat cushioning material 9 It can be adhered closely without leaving a gap between them. In FIGS. 3 and 4, the mounting hole is formed as a blind hole with one end closed, but the mounting hole 10 may be used as a through hole, and the flat cushioning material 9 may be inserted into the through hole. The shape of the flat cushioning material 9 may be any shape such as a circle, an ellipse, and a polygon.
The material is not particularly limited as long as it is excellent in collision durability, and has a vibration damping property and a sound deadening property.

A mechanism for sending a ball from the ball feeder 6 will be described with reference to FIGS. In the figure, reference numeral 11 denotes a magnet arranged inside the ball feeder 6, reference numeral 12 denotes a ball supply member rotatably arranged on the ball feeder 6, and the thickness of the ball feeder 6 is approximately one ball. . 5 and 6, the magnet 11
Is excited, and the ball supply member 1 is excited by the excitation of the magnet 11.
2 is sucked and rotated upward, and the leading ball of the aligned balls sent to the ball feeding device 6 through the front opening 7 communicating with the ball supply tray contacts the upper end of the rear opening 8. , Are taken in the ball supply member 12.

Next, when the excitation of the magnet 11 is turned off, FIG.
As shown in FIG. 8, the ball supply member 12 rotates downward due to its own weight and the weight of the ball, and the sphere taken inside the ball supply member 12 is discharged from the rear opening portion 8. The leading ball next to the aligned spheres is prevented from entering the inside of the sphere supply member 12 by contacting the upper side surface of the sphere supply member 12. The released rolling sphere is first placed on the base plate 1
Collides with the flat cushioning material 9 attached to the ball, and immediately loses the velocity energy, and then falls on the ball launching rail 4 and hits the ball stopper member 5 and stops at the ball position. In this state, the ball portion of the ball hammer 2 separated from the ball position is rotated at high speed counterclockwise by the solenoid 3 so that the ball in the stationary state can be hit into the upper game board. .
Then, by exciting the magnet 11 again, the ball supply member 12 rotates upward, the restraint of the next head ball is released, and the next head ball of the aligned balls is taken into the ball supply member 12. . The above operation is repeated at a frequency of 100 times per minute. In the present invention, however, the base plate is not worn due to the arrangement of the flat cushioning material 9 at the ball collision portion of the base plate 1. Absent.

[0011] As described above, the ball launcher of the pachinko machine according to the present invention has a base plate made of plastic, rubber or the like provided at the ball collision portion of the metal base plate. In addition to preventing damage to the ball, the rolling ball can be quickly stopped at the position of the ball and the vibration and noise can be reduced. Further, a flat cushioning material is flattened in the mounting hole provided in the ball collision portion without unevenness from the surface of the base plate, and a gap is formed between the inner peripheral portion of the hole of the base plate and the peripheral edge portion of the flat cushioning material. By embedding closely without leaving, the ball can be fired stably and smoothly on the game board surface without changing the ball muscle and speed of the shooting ball, and the life of the base plate can be extended There are advantages.

[Brief description of the drawings]

FIG. 1 is a front view of a ball launching device.

FIG. 2 is a plan view of FIG.

FIG. 3 is a diagram showing a state before a cushioning material is embedded in a base plate.

FIG. 4 is a view showing a state after the cushioning material is embedded in the base plate.

FIG. 5 is a side cross-sectional view of the ball feeder with a magnet in an excited state.

FIG. 6 is a front sectional view of FIG. 5;

FIG. 7 is a side sectional view of the ball feeder with the magnet in a demagnetized state.

FIG. 8 is a front sectional view of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Metal base plate 2 Ball hammer 3 Solenoid 4 Ball launching rail 5 Ball stopper 6 Ball feeder 7 Front opening 8 Rear opening 9 Flat buffer material 10 Mounting hole 11 Magnet 12 Ball supply member

Claims (2)

[Claims] A ball launching device for a pachinko machine in which a plurality of ball launching related members such as a ball launching rail, a ball hammer, a solenoid, and a ball feeder are integrally mounted on a metal base plate. A ball launching device for a pachinko machine, wherein a flat cushioning material for absorbing an impact is disposed at a ball impact portion of the base plate against which a rolling ball sent from a ball feed device collides. 2. A mounting hole is provided in a ball collision portion of a base plate, and a flat cushioning material is provided in the mounting hole without any irregularity from the surface of the base plate. 2. The ball launching device for a pachinko machine according to claim 1, wherein the device is mounted in close contact with a peripheral portion of the material without leaving a gap.