JPH0623138A - Coin abrasive device - Google Patents

Abstract

PURPOSE:To surely wipe off a stain such as dirt from the hands attached on both surfaces of a coin by sandwiching with pressure both surfaces of the coin with a pair of confronting abrasive materials, and moving the coin between parts sandwiched with pressure with the abrasive material compulsorily. CONSTITUTION:This device is comprised in such a way that a pair of abrasive materials 2 which grind by sandwiching with pressure both surfaces of the coin (a) are arranged at the abrasive path 4 of the coin, and coin mobile bodies 3a-3e which move the coin compulsorily between the pair of abrasive materials 2 by abutting with the side edge of the coin are provided along the side of the pair of abrasive materials 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coin polishing machine for polishing coins or coins used as coins used in, for example, game centers, pachinko arcades, etc. The present invention relates to a coin polishing device capable of cleanly removing dirt.

[0002]

2. Description of the Related Art In game centers, pachinko arcades, etc., a large number of game machines using coins are installed and used for entertainment. Especially in recent years, at the pachinko game hall,
The games that use coins that are fast-winning are so prominent that they overwhelm pachinko games.

A large amount of coins are used in games at game centers, pachinko arcades, etc., but the surface of these large amounts of coins used in the game becomes dirty during the game due to the hands of the coin game user.

Coins that are soiled due to hand marks or the like have a bad appearance, and using coins that are still soiled may cause a malfunction of the game machine. For this reason, in these amusement halls and the like, the dirt attached to the surface of the coin is regularly removed.

As a conventional method for removing dirty coins, for example, when the number of coins is small, the surface of the coin is directly polished with a cloth or the like, and when the number of coins is large, a detergent liquid is used. Dipping a large amount of coins in the inside for a certain period of time to remove stains by the action of the cleaning liquid, washing with water and then drying, or putting a large amount of coins in a tank containing abrasives, stirring the abrasives and coins, and polishing There is a method of polishing the surface of the coin with a material to remove dirt.

Further, coins as coins are also used in large amounts with the spread of automatic vending machines in recent years, and the coins used have their surfaces soiled by hand marks, etc., as with the game coins described above. Even in a bank or the like that handles a large amount of coins used in the city, it is necessary to remove the dirt on the surface of coins that have become dirty after collection, and the method is the same as described above.

[0007]

However, the method of immersing the coin in the detergent solution for a certain period of time results in uniform removal of stains by the chemical action of the detergent, but compared with the case of directly wiping with a cloth or the like, It is difficult to remove the dirt that is hard attached to the surface of. Similarly, in the method of polishing the surface of the coin with an abrasive to remove dirt, the abrasive evenly abrades the surface of all coins, but it adheres to the surface of the coin harder than when directly wiped with a cloth or the like. It is difficult to remove dirt.

As described above, when the number of coins is large, it is difficult to cleanly remove the dirt adhering to the surface of the coin by the conventional method, that is, the method of immersing in the cleaning liquid or the method of stirring the abrasive and the coin. Met.

The present invention was made in view of the above problems and was devised to solve the problems. The object of the present invention is to press both surfaces of a coin with a pair of facing abrasives. Provided is a coin polishing device capable of reliably wiping stains such as hand sticking on both surfaces of a coin with a pair of abrasives by forcibly moving a coin while being pressed by a pair of opposing abrasives. Especially.

[0010]

In order to achieve the above object, the present invention provides a pair of abrasives for sandwiching both surfaces of a coin in a polishing path of the coin and abutting the side edge of the coin. The coin moving body that comes into contact with the pair of abrasives and is forcibly moved is provided along the side of the pair of abrasives.

Here, in a preferred mode, the pair of abrasives are provided such that the polishing portions are sequentially movable and exchangeable.

As another preferred embodiment, the coin moving body comprises an endless coin feed belt stretched over a pair of gears, and a pressing plate for pushing the coin against the coin feed belt.

Further, as another preferred embodiment, a coin feeding roller for feeding the coin between the pair of rear abrasives is provided in the front of the pair of abrasives in the coin polishing path.

[0014]

The present invention having the above-described structure operates as follows. That is, a coin having dirt such as hand dust on its surface is forcibly sent between a pair of abrasives by a coin moving body, and is forcibly moved backward with the abrasives being pinched. Dirt adhering to the surface of the coin is wiped off cleanly by a pair of abrasives that pinch during the forced movement.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described more concretely with reference to the embodiments shown in the drawings. Here, FIG. 1 is a partially cutaway schematic perspective view of the coin polishing device, and FIG. 2 is a partially cutaway schematic perspective view of a main part of the coin polishing device.

In the figure, a coin polishing device 1 is a device for automatically and reliably wiping dirt such as hand dust adhering to the surface of a coin a, and a pair of abrasives 2 for wiping off dirt adhering to the surface of a coin a. The coin a is composed of a coin moving body 3 for forcibly moving the coin a between the pair of abrasives 2.

The pair of abrasives 2 are arranged in the coin polishing path 4 of the coin polishing apparatus 1 so as to face each other in the vertical direction, and are structured so as to be sandwiched between the opposing sides. The dirt-attached coin a is forcibly moved between the pair of abrasives 2 that are clamped up and down, and the dirt on the surface of the coin a is wiped by the abrasive 2 during the movement. Abrasive material 2
Is made of a belt-shaped material, and for example, a polishing cloth is used.

Pressing pieces 2a are provided on the upper and lower sides of the upper and lower abrasives 2, respectively, for pressing the upper and lower abrasives 2 in the vertical direction. That is, the upper surface of the upper abrasive 2 is pressed downward by the upper pressing piece 2a. Similarly, the lower surface of the lower abrasive 2 is pressed upward by the lower pressing piece 2a. Each pressing piece 2
A spring 2b for urging each abrasive 2 in a direction of pressing each abrasive 2 is attached to a. These springs 2b are supported by the frame of the coin polishing device 1 not shown.

The upper and lower abrasives 2 are sandwiched by the pressing pieces 2a, and the lower surface of the upper abrasive 2 and the upper surface of the lower abrasive 2 are in close contact with each other. The coin a is forcibly moved by the coin moving body 3 while it is in the close contact state. The attached dirt is wiped off.

The width of each of the upper and lower abrasives 2 is substantially the same as the diameter of the coin a and extends in the lengthwise direction, and the polishing portion wiped off the dirt adhering to the surface of the coin a moves in the lengthwise direction in sequence. Coins a are always sent in new parts one after another
It is designed to polish the surface of.

As a structure for this, the upper and lower abrasives 2
Both ends in the lengthwise direction are respectively wound on, for example, a winding shaft (not shown), and both polishing shafts rotate in the same direction, whereby the polishing portion can be sequentially moved and exchanged.

The coin moving body 3 is a device for forcibly moving the coin a, and is provided along the lateral sides of the pair of upper and lower polishing materials 2 arranged in the coin polishing path 4 of the coin polishing apparatus 1. The coin moving body 3 is composed of an endless coin feed belt 3b stretched around a pair of gears 3a and a pressing plate 3c for pushing the coin a against the coin feed belt 3b.

The coin feed belt 3b and the pressing plate 3c constituting the coin moving body 3 face each other along the left and right sides of the pair of abrasives 2 with the pair of upper and lower abrasives 2 facing each other. It is installed side by side. The coin feed belt 3b and the pressing plate 3c cooperate to forcefully move the coin a.

The coin feeding belt 3b is formed in an uneven shape on the inner peripheral side thereof alternately in the circulation direction, and surely meshes with the teeth of the pair of gears 3a on which the coin feeding belt 3b is stretched without slipping, and thus the gear 3a. The rotation of the coin feed belt 3b ensures that the coin feed belt 3b circulates in a fixed direction, that is, in a direction in which the coin a is moved to the rear side of the abrasive 2.

A plurality of springs 3d are attached to the rear of the pressing plate 3c at regular intervals.
The rear end is attached to a support plate 3e arranged in parallel to the pressing plate 3c behind the pressing plate 3c. The pressing plate 3c is on the front side by the respective springs 3d attached to the supporting plate 3e, that is, the polishing material 2 and the coin feeding belt 3 facing each other.
It is biased to the b side.

The coin feeding roller 5 is used for the coin polishing path 4.
Is a device for feeding the coin a supplied to the space between the pair of abrasives 2 and is provided between the coin feed belt 3b of the coin polishing path 4 on the front side of the abrasive 2 and the front end side of the pressing plate 3c. It is pivotally supported to rotate.

The coin feeding roller 5 is used for the coin polishing path 4.
Between the upper surface of the coin and the peripheral surface of the coin feed roller 5
The coin a is forcibly sent to the rear side of the abrasive 2 by rotating with sandwiching.

Next, the polishing of a coin by the coin polishing apparatus based on the configuration of the above embodiment will be described below.

When the coin a is supplied to the coin polishing path 4,
The coin a is guided to the coin polishing path 4 and reaches the installation location of the coin feed roller 5. Coin feeding roller 5
The coin a that has reached the installation location of the coin feed roller 5 that rotates up and down, the coin feed belts 3b and the pressing plates 3c that are arranged on both sides of the coin a, and a pair of polishing blades provided behind the coin feed roller 5 are used. It is forcibly sent between the materials 2.

A coin a sent between a pair of abrasives 2.
Is an abrasive material 2 whose both surfaces are vertically opposed to each other.
It is pinched by and adheres to the upper and lower abrasives 2. At the same time, the side edge of the coin a is pressed by the pressing plate 3c.
It is pressed to the side of the coin feed belt 3b opposite to the left and right with c, and is also pinched between the pressing plate 3c and the coin feed belt 3b.

At this time, the pair of gears 3 rotating in the same direction
The endless coin feed belt 3b stretched around a is circulated in the same direction as the gear 3a, that is, the side in contact with the abrasive 2 is directed toward the rear side of the abrasive 2. On the other hand, the pressing plate 3c does not move in the front-back direction. In other words, the coin a pinched from both the left and right sides moves one side backward,
The other side does not move.

Therefore, the coin a, of which a part of the side edge is urged against the coin feed belt 3b by the push plate 3c, rotates along the push plate 3c which does not move by the circulation of the coin feed belt 3b. However, it is forcibly moved toward the rear between the abrasives 2 arranged vertically opposite to each other.

In the coin a which moves while rotating, the abrasives 2 which are vertically opposed to each other are pinched by the upper and lower pressing pieces 2a on the mutually opposite sides, so that the upper and lower abrasives 2 respectively. And both surfaces thereof are completely brought into close contact with each other, and moreover, they are strongly brought into close contact with the upper and lower abrasives 2 by the upper and lower pressing pieces 2a.

Therefore, the coin a which moves while rotating between the upper and lower abrasives 2 is wiped off by the upper and lower abrasives 2 on which the dirt such as hand dust adhered to the surface strongly adheres to the coin a. The coin a passed between the upper and lower abrasives 2 is completely polished, and the coin a after polishing is
Is discharged from the coin polishing device 1, and the polishing of the coin a is completed.

The present invention is not limited to the above embodiments, and it goes without saying that various modifications can be made without departing from the spirit of the invention.

[0036]

As is apparent from the above description, according to the coin polishing apparatus of the present invention, a pair of abrasives for sandwiching both surfaces of the coin are disposed in the polishing path of the coin for polishing.
By providing a coin moving body that abuts the side peripheral edge of the coin and forcibly moves between the pair of abrasives along the side of the pair of abrasives, when the coin is supplied to the polishing path, the coin moves to the coin moving body. The forced movement between the pair of abrasives allows the pair of abrasives to cleanly and automatically wipe off dirt such as hand dust on both surfaces of the coin, and a large amount of coins can be automatically removed. It has a very new and beneficial effect that it can be polished mechanically.

[Brief description of drawings]

FIG. 1 is a partially cutaway schematic perspective view of a coin polishing device showing an embodiment of the present invention.

FIG. 2 is a partially cutaway schematic perspective view of a main part of a coin polishing device showing an embodiment of the present invention.

[Explanation of symbols]

 1 coin polishing device 2 polishing material 2a pressing piece 2b spring 3 coin moving body 3a gear 3b coin feeding belt 3c pressing plate 3d spring 3e support plate 4 coin polishing path 5 coin feeding roller a coin

Claims (4)

[Claims] 1. A coin moving body for arranging a pair of abrasives for pinching and polishing both surfaces of the coin in a coin polishing path and forcibly moving between the pair of abrasives by abutting on a side edge of the coin. A coin polishing device, which is provided along a side of a pair of polishing materials. 2. The coin polishing apparatus according to claim 1, wherein the pair of polishing members are provided such that polishing portions are sequentially movable and exchangeable. 3. The coin polishing apparatus according to claim 1, wherein the coin moving body includes an endless coin feed belt stretched over a pair of gears and a pressing plate that pushes the coin against the coin feed belt. 4. The coin polishing device according to claim 1, wherein a coin feed roller that feeds the coin between the pair of rear abrasives is provided in the front of the pair of abrasives in the coin polishing path.