JPH09140921A - Ball polishing device and pachinko-machine island using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To contrive to attain both miniaturization and effective polishing without damaging mechanism parts and electric equipment parts. SOLUTION: Square pipes formed on the peripheral wall parts with openings 1D capable of passing pin balls 99 exposing a part thereof are disposed so that the openings 1D are opposed to each other and the tips of the pinballs 99 exposed from the opening 1D are zigzagged, while an endless polishing belt 21 provided on both surfaces with polishing surfaces is inserted between the tips so that the belt 21 is supported to be capable of travelling by a drive sprocket 33 and a driven sprocket 37 provided with a torque damper 35 to adjust back torque.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for polishing a pachinko ball or the like, and a pachinko island equipped with the polishing device.

[0002]

2. Description of the Related Art As a device for polishing a pachinko ball in the process of lifting a pachinko ball from a ball storage part provided at the bottom of a pachinko island to a ball hopper provided at the top, for example, a pachinko ball is made from synthetic resin or rubber. The device that lifts the spiral while rotating with a small granular abrasive is
No. 8 discloses this.

An apparatus for polishing a pachinko ball by bringing it into contact with a polishing cloth that moves in the same direction as the pachinko ball is disclosed in, for example, Japanese Patent Application Laid-Open No. 5-7662.

[0004]

However, Japanese Patent Publication No. 1-4
In the device proposed in Japanese Patent No. 2698, fine particles of an abrasive adhere to a pachinko ball and flow into the pachinko machine, and the glass surface of the pachinko machine becomes dirty, and mechanical parts and electrical components are damaged. was there.

Further, in the apparatus proposed in Japanese Patent Laid-Open No. 5-7662, pachinko balls are polished by using only one side of the polishing cloth, so long polishing is required to extend the replacement time of the polishing cloth. It is necessary to prepare cloth, and the device is large-scaled by adopting the drum winding method.

Further, since the pachinko balls and the polishing cloth move in the same direction in this apparatus, not only the chance of contact between the pachinko balls and the polishing cloth decreases but the polishing efficiency decreases, and it is difficult to polish the entire surface of the pachinko balls. There was a problem that said. In addition,
In order to increase the chances of contact between the pachinko balls and the polishing cloth, it is possible to move the polishing cloth in the direction opposite to the moving direction of the pachinko balls, but such a configuration requires a strong force to lift the pachinko balls. Therefore, there is a problem in that the size of the device such as the electric motor cannot be avoided.

Therefore, it has been a subject to develop an apparatus which can not only damage mechanical parts and electric parts, but also achieve downsizing and effective polishing at the same time.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, passage members having openings in the peripheral wall portion through which a ball to be polished is partially exposed are installed so that the openings face each other. At the same time, a belt having polishing surfaces on both sides is arranged so that one polishing surface faces an opening facing in one direction and the other polishing surface moves facing an opening facing in the other direction.
A ball polishing device having the configuration

In the ball polishing apparatus of the first construction, a plurality of balls are provided so that the exposed ends of the balls to be polished, which are exposed from the openings facing in one direction and the openings facing in the other direction, are arranged in a zigzag pattern. A ball polishing device having a second configuration in which passage members made of

In the ball polishing device of the first or second configuration, the moving direction of the ball to be polished passing through the opening of the passage member with a part thereof exposed and the moving direction of the belt at the polishing position intersect. A ball polishing device having a third configuration

In the ball polishing device of any one of the first to third configurations, the rotation suppressing member formed of a material having a large friction coefficient faces the opening of the passage member and faces the passage of the ball to be polished. A ball polishing device having a fourth configuration adapted to be installed at a site,

In the ball polishing device of any one of the first to fourth structures, a ball polishing device of a fifth structure in which the opening edge of the passage member is formed to have a rounded shape,

In the ball polishing apparatus of any one of the first to fifth structures, a sixth structure is provided in which a plurality of grooves, which are recessed with a roundness from the wall surface, are axially formed on the circular inner wall surface of the passage member. Ball polishing device,

In the ball polishing device having any one of the first to sixth structures, a ball polishing device having a seventh structure in which the belt is formed by an endless belt,

In the ball polishing apparatus of any one of the first to seventh configurations, the belt is rotatably supported by the drive shaft and the driven shaft that gives back torque, and is exposed from the driven shaft through the opening of the passage member. A ball polishing device having an eighth configuration, in which a portion coming into contact with the ball and reaching the drive shaft is strained, and a portion extending from the drive shaft to the driven shaft is stress-free;

In the ball polishing device of the seventh or eighth structure, the passage member installed facing one of the polishing surfaces of the belt is divided at a portion near at least one end of the belt in the width direction. A ball polishing device having a ninth configuration, which is provided as much as possible,

By means of the passage member of the ball polishing device of any one of the first to ninth configurations, a ball storage portion installed at the bottom to store the loose balls flowing from the pachinko machine, and a pachinko machine installed at the top, etc. A pachinko island of the first configuration configured to form a part of the pachinko ball lifting passage provided between the ball hopper for storing the pachinko balls to be supplied to

In the pachinko island of the first structure, the lifting passage from the ball accumulating portion to the passage member of the ball polishing device is formed of a flexible pipe, and the ball accumulating portion side is juxtaposed in one row to polish the ball. A second configuration of pachinko islands in which the device side is arranged in two rows is provided.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the drawings. From each pachinko machine 51, a pachinko ball 99, which flows into the ball storage unit 52 installed at the bottom as a detached ball and rolls out from here due to its own weight, is pushed upward by the wheel 54 of the lifting function unit 53 and installed at the top. As it is polished while being lifted up by the hopper 56,
The ball polishing device 100 is installed in the middle of the lifting passage 55 to form the pachinko island 200.

The wheel 54 of the lifting function portion 53 is formed with a plurality of recesses 54A for holding the pachinko balls 99 in the shape of a gear in the circumferential direction and the axial direction of the outer peripheral portion thereof. When the pachinko ball 99 is rotated, the flexible pipe 55 that constitutes the lower side of the lifting passage 55 is formed in the discharge portion 54B that moves upwards and discharges the pachinko ball 99 in the vertical direction.
Connect A, and the pachinko balls 99 will be ball hopper 56 in multiple rows.
It is configured so that it can be lifted up to.

For example, in the wheel 54 formed so as to have eight rows of recesses 54A in the axial direction, eight flexible pipes 55A are connected to each of the eight rows of recesses 54A via a discharge portion 54B. Then, by utilizing the flexibility of the material, the flexible pipes 55A arranged in a line at the discharge portion 54B and the flexible pipe 55A at the upper end are
The books are rearranged into two rows, bundled by a fixing member 11 and fixed to a required portion.

The ball polishing device 100 is fixed to an appropriate frame member 201 of the pachinko island 200 and installed above the flexible pipe 55A.

Lifting passage 55 in the ball polishing apparatus 100
The pachinko ball 99 can pass through with a part thereof exposed.
It is composed of a square pipe 1 of a book. The square pipe 1 is formed, for example, by extruding a transparent and tough polycarbonate resin or the like and then cutting.

Specifically, first, an outer shape having a square shape and each corner portion having a groove 1A which is recessed in a round shape from an inner wall surface having a circular cross section is formed by an extrusion process and has a predetermined length, for example, 230 mm. Disconnect.

Then, by one plane 1C which is parallel to any one flat outer peripheral wall 1B, the roundness of the recessed start portion of the two grooves 1A and 1A adjacent to the outer peripheral wall 1B on the side separated from the outer peripheral wall 1B. Leaving only a part, and cutting so as to remove most of the two grooves 1A, 1A near the outer peripheral wall 1B,
The edge of the opening 1D is rounded so that the burr at the time of cutting does not project inside the circular inner wall surface that serves as the path for the pachinko balls 99. The opening 1D is provided with a length of 200 mm, for example.

Further, in this square pipe 1, one of the corners on the back side of the opening 1D is deleted by a length of, for example, 50 mm, and a plate-like rotation suppressing member 3 made of rubber or the like having a large friction coefficient is provided from the outside. It is formed with an opening 1E so that it can be fitted. This opening 1E is, for example, 40 m at the same corner.
Formed in two places with a space of m. Furthermore, square pipe 1
Is formed by slightly bending both ends toward the back side of the opening 1D.

The square pipe 1 having the above-mentioned structure is attached to the supporting member 13
Four are arranged in parallel by 15. The supporting member 13 is fixed to the mounting member 17 fixed to the frame member 201 of the pachinko island 200 by screwing or the like, and the supporting member 15 is fixed to the panel member 19 rotatably attached to the mounting member 17 by screwing or the like.

The square pipes 1 are arranged in pairs so that the openings 1E are close to each other, the rotation suppressing member 3 is fitted into the opening 1E from the outside, and the opening 1D is outside, so that the supporting member 13.
Although it is inserted and fixed in the U-shaped groove 15 of the support member 13,
The openings 1D of the square pipe 1 inserted and fixed by the support member 15 and the square pipe 1 inserted and fixed by the support member 15 face each other, and the tips of the pachinko balls 99 partially exposed from the openings 1D on the respective sides are zigzag. At the same time, this portion is arranged so that the endless polishing belt 21 described later can run, and the lower ends of the square pipes 1 are in close proximity to the upper end of the flexible pipe 55A so that the pachinko balls 99 can be lifted. Arrange.

The bent ends of the square pipe 1 are fixed to appropriate members such as a mounting member 17 and a panel member 19 by end supporting members (not shown).

The drive sprocket support arms 23 and 25 and the driven sprocket support arm 2 are provided above and below the panel member 19.
7 and 29 are attached, and the drive motor 3 is provided between each supporting arm.
Drive sprocket 3 to which rotational drive force is given by 1.
3 and a driven sprocket 37 provided with a torque damper 35 capable of giving an appropriate back torque.

The drive sprocket 33 and the driven sprocket 37 are supported by the support member 15 slightly from the intermediate portion between the square pipe 1 supported by the support member 13 and the square pipe 1 supported by the support member 15. The square pipes 1 are arranged side by side.

Then, on the lifting passage 55 side of the drive sprocket 33 and on the lifting passage 55 side of the driven sprocket 37,
The driven rollers 39 are installed upright. The driven roller 39 is separated from the drive claw 37A of the driven sprocket 37 of the polishing belt 21 having polishing surfaces on both sides, which is formed of, for example, artificial leather, and is separated from the drive claw 3 of the drive sprocket 33.
The support member 13 is provided so that the portion pulled by 3A can run in the middle portion between the square pipe 1 supported by the support member 13 and the square pipe 1 supported by the support member 15.
The square pipe 1 supported by the support member 15 and the square pipe 1 supported by the support member 15 from the intermediate portion to the side of the square pipe 1 supported by the support member 13, and for example, the bottom plate and the upper plate of the mounting member 17 It is installed by pivoting between.

The polishing belt 21 has a circumference that is sufficiently long with respect to the distance between the drive sprocket 33 and the driven sprocket 37 so that the portion moving from the drive sprocket 33 to the driven sprocket 37 is free. To use.

Further, the mounting member 17 extends beyond the driven sprocket 37 on the left side of the drawing, and also has a function as a guide member. Further, a cover member 41 is attached to the front side of the panel member 19 in parallel with the attachment member 17, and is separated from the stress-free portion of the polishing belt 21, that is, the drive claw 33A of the drive sprocket 33, and the driven sprocket 37.
Of the driven sprocket 37 is prevented from biting into the belt holes 21A formed in rows at both ends in the width direction of the polishing belt 21 by preventing the portion extending to the driving claw 37A of FIG. .

Further, the cover member 41 is bent on the right side of the drawing along the drive sprocket 33, and the drive claw 33A is disengaged from the belt hole 21A before the polishing belt 21 is inverted to the left side of the drawing at the part of the drive sprocket 33. So that the frame member 201 is not pushed out. The cover member 41 has an operation portion 43 at the upper end and is rotatably attached to the panel member 19 like the panel member 19.

Reference numeral 45 designates from the lower portion of the back side of the support member 13,
Mounting member 17 bent and extended to the front side of the supporting member 15.
Is a rotary shaft horizontally attached to the lower portion 17A of the panel via an attachment member 47, and the lower portions of the panel member 19 and the cover member 41 are wound around the rotary shaft 45 so as to be rotatable. Install. The lower part 17 of the mounting member 17
The above-mentioned fixing member 11 is also fixed to A by screwing or the like.

On the other hand, four flexible pipes 5 in each of two rows forming the upper part of the lifting passage 55 leading to the ball hopper 56.
The lower end of 5B is arranged close to the upper ends of the four square pipes 1 in each of the two rows so that the pachinko balls 99 can be lifted up to the ball hopper 56. The upper part 1 of the mounting member 17 bent and extended to the front side
7B is fixed by bundling with a fixing member 49. And
The upper portion 17B of the mounting member 17 is configured so that the upper portions of the panel member 19 and the cover member 41 can be locked by a locking means (not shown) such as a screw.

In the pachinko ball polishing apparatus 100 and the pachinko island 200 having the above-mentioned configurations, since small granular abrasives such as synthetic resin and rubber are not used, it is of course possible not to damage the mechanical parts and electrical components, but also the pachinko balls. A pair of square pipes 1 each having an opening 1D formed in a peripheral wall portion of which 99 is exposed so that a part thereof can pass therethrough are installed so that the openings 1D face each other, and a polishing belt 21 having polishing surfaces on both sides is provided. Facing the opening with one polishing surface facing in one direction,
Since the other polishing surface is a ball polishing device for pachinko balls 99 which is installed so as to face the opening facing in the other direction and rotates, it is possible to perform effective polishing while reducing the size of the device.

Further, since the polishing belt 21 runs between the tips of the pachinko balls 99 which are exposed in a zigzag manner from the opening 1D, the surface pressure of the pachinko balls 99 contacting the polishing belt 21 is increased and the polishing can be performed at a high rate. You can do it. Further, since the torque damper 35 is provided, even if the polishing belt 21 extends, the surface pressure can be easily adjusted and the polishing efficiency does not decrease.

Further, since the moving direction of the pachinko balls 99 and the running direction of the polishing belt 21 intersect and the rotation suppressing member 3 having a large friction coefficient is provided in the opening 1E, the pachinko balls 99 rotate obliquely. While rising, the whole surface is polished. Since both ends of the square pipe 1 are slightly bent to the back side of the opening 1D, the contact and separation with the polishing belt 21 can be smoothly performed.

Further, since the cover member 41 and the panel member 19 can rotate about the rotation shaft 45, the polishing belt 21 can be easily attached / detached.

Since the present invention is not limited to the above-mentioned embodiments, various modifications can be made without departing from the spirit of the claims.

For example, the rotation suppressing member 3 may be attached to the inner surface of the square pipe 1.

The square pipe 1 may be manufactured by injection molding instead of extrusion.

[0045]

As described above, according to the present invention, the passage members formed with the openings in the peripheral wall portion so that the balls to be polished can be exposed with a part thereof exposed to each other are arranged so that the openings face each other. The endless belt with polishing surfaces on both sides is installed so that one polishing surface faces the opening facing in one direction and the other polishing surface rotates facing the opening facing in the other direction. Since this is a ball polishing device, the ball can be effectively polished while the device is downsized.

Further, a plurality of passage members are provided so as to face each other so that the tips of the exposed portions of the balls to be polished, which are exposed from the openings facing in one direction and the openings facing in the other direction, are positioned in a staggered manner. In the ball polishing apparatus having the second configuration, the contact surface pressure between the ball to be polished and the polishing belt increases, and polishing efficiency increases.

Further, in the ball polishing apparatus of the third structure, the moving direction of the ball to be polished, which partially passes through the opening of the passage member, and the moving direction at the polishing position of the polishing belt intersect. Has a great effect of polishing the entire surface of the ball.

A rotation suppressing member formed of a material having a large friction coefficient is installed at a position facing the opening of the passage member and facing the passage of the ball to be polished. In the device, the balls rotate obliquely, so that the entire surface of the balls is easily polished.

Further, in the ball polishing apparatus of the fifth structure in which the opening edge of the passage member is formed to have a rounded shape, the burr is formed in the passage portion of the ball to be polished even though the opening is machined. Since it is not done, it does not hinder the passage of balls without deburring.

Further, in the ball polishing apparatus of the sixth structure in which a plurality of grooves, which are recessed with a roundness from the wall surface, are formed in the inner wall surface of the passage member in the axial direction, the ball to be ground and the passage member are separated from each other. Lifting resistance is reduced because the contact area is reduced.

Further, in the ball polishing device of the seventh construction in which the polishing belt is formed by an endless belt,
The size of the device can be reduced.

Further, an endless polishing belt is rotatably supported by a drive shaft and a driven shaft which gives back torque, and a portion from the driven shaft to the drive shaft in contact with a ball to be polished exposed from the opening of the passage member. In the ball-polishing device having the eighth structure in which the portion from the drive shaft to the driven shaft is tension-free so as to be stress-free, even if the polishing belt extends, the surface of the ball-to-be-polished is applied with an appropriate surface pressure for polishing. Therefore, the polishing efficiency does not decrease.

Further, the passage member installed so as to face any one of the polishing surfaces of the polishing belt is provided so as to be separable at a portion close to at least one end in the width direction of the polishing belt. In this ball polishing apparatus, the endlessly formed polishing belt can be easily attached / detached from the portion of the passage member provided so as to be separable.

Further, by the passage member of the ball polishing apparatus according to any one of 1 to 9 above, a ball storage portion installed at a lower portion for storing a loose ball flowing in from a pachinko machine and a pachinko machine installed at an upper portion, etc. In the pachinko island of the first configuration in which a part of the pachinko ball hoisting passage provided between the pachinko ball for storing the pachinko balls to be supplied to is formed, all the effects as the ball polishing device described above are achieved. Can play.

Further, the lifting passage from the ball storage portion to the passage member in the ball polishing device is formed of a flexible pipe, and the ball storage portion side is arranged in one row and the ball polishing device side is arranged in two rows. In the pachinko island with the second configuration as described above, at the position facing the lifting function unit such as the wheel,
Since it is easy to arrange the passage members arranged in one row in parallel in two rows at a position facing the polishing belt, simplification of the configuration and miniaturization can be easily achieved.

[Brief description of the drawings]

FIG. 1 is a plan view of a ball polishing device of the present invention.

FIG. 2 is a front view showing a ball polishing device of the present invention.

FIG. 3 is a perspective explanatory view of a ball polishing device of the present invention.

FIG. 4 is a side view of the ball polishing device of the present invention.

FIG. 5 is an explanatory diagram of a main part of the ball polishing device of the present invention.

FIG. 6 is an explanatory view of a main part of the ball polishing device of the present invention.

FIG. 7 is a visual explanatory view of a pachinko island of the present invention.

FIG. 8 is an explanatory diagram of a main part of a pachinko island of the present invention.

FIG. 9 is an explanatory diagram of a main part of a pachinko island of the present invention.

[Explanation of symbols]

 1 Square Pipe 1A Groove 1B Outer Wall 1C Plane 1D ・ 1E Opening 3 Rotation Suppression Member 11 Fixing Member 13 ・ 15 Supporting Member 17 Mounting Member 19 Panel Member 21 Polishing Belt 21A Belt Hole 23 ・ 25 Drive Sprocket Supporting Arm 27 ・ 29 Driven Sprocket Support arm 31 Drive motor 33 Drive sprocket 35 Torque damper 37 Driven sprocket 39 Driven roller 41 Cover member 43 Operation part 45 Rotating shaft 47 Fixing member 51 Pachinko machine 52 Ball storage part 53 Lifting function part 54 Wheel 54A Recess 54B Discharge part 55 Lifting passage 55A / 55B Flexible pipe 56 Ball hopper 99 Pachinko ball 100 Ball polishing device 200 Pachinko island

Claims (11)

[Claims] 1. A belt having a pair of passage members each having an opening for exposing a part of a ball to be polished in a peripheral wall portion so that the openings face each other, and a belt having polishing surfaces on both sides,
A ball polishing apparatus, wherein one polishing surface is installed so as to face an opening facing in one direction, and the other polishing surface is moved so as to face an opening facing in another direction. 2. A plurality of passage members are provided so as to face each other such that the tips of exposed portions of the balls to be polished, which are exposed from the openings facing in one direction and the openings facing in the other direction, are positioned in a staggered manner. The ball polishing apparatus according to claim 1, wherein the ball polishing apparatus is provided. 3. The moving direction of a ball to be polished which partially passes through the opening of the passage member and the moving direction at the polishing position of the belt intersect with each other. Or the ball polishing device according to 2. 4. A rotation suppressing member formed of a material having a large friction coefficient is installed at a portion facing the opening of the passage member and facing the passage of the ball to be polished. 3. The ball polishing device according to any one of 3 above. 5. The ball polishing apparatus according to claim 1, wherein the opening edge of the passage member is rounded. 6. The ball polishing apparatus according to claim 1, wherein the circular inner wall surface of the passage member is formed with a plurality of grooves that are recessed with a roundness from the wall surface in the axial direction. 7. The ball polishing apparatus according to claim 1, wherein the belt is an endless belt. 8. A belt is rotatably supported by a drive shaft and a driven shaft that gives a back torque, and a portion from the driven shaft to the abraded ball exposed from the opening of the passage member reaches the drive shaft is tense, The ball polishing device according to claim 7, wherein a portion from the drive shaft to the driven shaft is stress-free. 9. A passage member, which is installed so as to face one of the polishing surfaces of the belt, is provided so as to be separable at a portion close to at least one end portion in the width direction of the belt. Item 7. A ball polishing device according to item 7 or 8. 10. A pachinko ball installed between a ball storage part installed in a lower part for storing a loose ball flowing in from a pachinko machine and a ball hopper installed in an upper part for storing a pachinko ball supplied to a pachinko machine or the like. A part of the lifting passage is defined in claim 1.
<9> A pachinko island formed by the passage member of the ball polishing device according to any one of <9> to <9>. 11. The lifting passage from the ball storage portion to the passage member in the ball polishing device is formed of a flexible pipe, the ball storage portion side is arranged in one row, and the ball polishing device side is arranged in two rows. The pachinko island according to claim 10, which is characterized in that.