JP4485491B2 - Medal cleaning device - Google Patents

Description

  The present invention relates to a medal cleaning device used in a game such as a slot machine.

Conventionally, a medal cleaning and polishing apparatus is disclosed in Patent Document 1. In this technique, as shown in FIG. 3 , the medal m is relatively rotated while being fed with the cleaning water W between the upper and lower brush plates 22, and the medal m is moved in the circumferential direction while being cleaned and polished by the rotation and centrifugal force. It features a discharging structure. In the figure, 21 is a medal insertion port, 23 is a motor, 24 is a medal discharge port, 25 is a water storage tank, and 26 is a pump that delivers wash water W.

By the way, since the technique uses a large amount of the cleaning water W, it takes time to dry after the cleaning and polishing, and the once removed dirt is easily transferred from the brush board 22 to the medal m and is discharged with the dirt attached. was there.
Japanese Patent Laid-Open No. 2001-113025

  The problem to be solved by the present invention is to provide a medal cleaning device that eliminates these conventional problems, can reduce the amount of washing water to be used, omits drying, and is excellent in dirt removal capability.

The configuration of the present invention that solves this problem is as follows.
1) provided an alignment device for feeding to the number of medals in the horizontal posture so as not to overlap with each other medals each other was put into the upper surface of a horizontal rotating disk to the medal discharging path, on a horizontal medal ahead of the medal discharge path There is a water-absorbing wiping roller that presses the lower surface from the top and bottom to wipe off the oil and dirt on the surface of the medal with friction and cleaning water, and a storage tank that stores the cleaning water is installed. A nozzle that discharges water with a pump is provided on the top surface of the tank, and control means is provided to operate the pump so that the washing water in the water storage tank is sent to a small amount of nozzles when the medal is not inserted . It is characterized in that it can be cleaned with a small amount of washing water of the wiping roller moistened with the wiping roller dampened by centrifuging the wiping roller on the medal discharge path side by centrifugal force. The medal cleaning device 2) The medal cleaning device according to 1) above, wherein a water absorption roller for absorbing water droplets of the medal is provided at a downstream position of the wiping roller. 3) The wiping roller and the water absorption roller are pressed to squeeze out the washed water that has been absorbed. In the medal cleaning device according to 2), a squeezing roller is provided, and a recovery path for recovering the cleaning water falling from the squeezing roller is provided in a water storage tank.

According to the present invention, when the medal is not inserted, water is discharged onto the rotating plate to supply the wiping roller with the required minimum amount of cleaning water, and the medal is pressed from above and below with a pair of moistened wiping rollers. Clean and send out a small amount of cleaning water to wipe away dirt such as oil and fat. Therefore, since a large amount of washing water is not used together with the insertion of medals as in the past, drying can be omitted, and the removed dirt is attracted to the wiping roller containing washing water and is not easily transferred to the medals. High ability.

  In the present invention, as the wiping roller and the water-absorbing roller, those having excellent wiping properties such as oil and fat such as a foamed synthetic resin having open cells and a water-absorbing cloth material are used. As a pump, there is a pump that is continuously sent out until the washing water reaches the wiping roller immediately after the operation of the apparatus, and can be sent out intermittently when necessary when the medal is not inserted after the cleaning is started. Used. Pressing a hard squeeze roller against the wiping roller and water absorption roller to squeeze out the washed water that has been absorbed, and provide a recovery path to collect the wash water falling from the squeeze roller in the water storage tank. Water can be omitted, and the amount of washing water used can be reduced to a small amount. As the washing water, water or a mixture of an appropriate amount of washing liquid in water is used. Water absorption can be performed more reliably by providing a plurality of water absorption rollers as a pair along the transport direction. Embodiments of the present invention will be specifically described below with reference to the drawings.

The embodiment 1 shown in FIG. 1 is an example of a medal cleaning device combined with a medal alignment device. FIG. 1 is a longitudinal sectional view of a medal cleaning device showing medal alignment according to the first embodiment. In the figure, 16 is a rotating disk. As shown in FIG. 1, the medal cleaning device 1 according to the first embodiment sends a large number of medals m randomly inserted from the medal slot 2 to the medal discharge path 5a in a horizontal posture so that the medals m do not overlap each other. A turntable 16 is provided. The medal discharge path 5a may be provided with a partition (not shown) so that the medals m can be conveyed in multiple rows.
The medal aligning apparatus of the present embodiment includes a mortar-shaped medal slot 2 at the top, a rotating plate 16, and a motor 9, a driving roller 9a, a driving belt 10, a rotating shaft 8, and a driven roller 8a that rotate the rotating plate. And a medal discharge path 5a.

In the figure, 1 is a medal cleaning device, 2 is a medal slot , 5 is a cylinder, 5a is a medal discharge path, 5b is a drain hole, 6 is a medal transport path, 7 is a medal discharge port, 8 is a rotating shaft, and 8a is A driven roller, 9 is a motor, 9a is a drive roller, 10 is a drive belt, 11 is a wiping roller, 11a is a gear, 12 is a water absorption roller, 12a is a gear, 13 is a squeeze roller, 13a is a gear, 13b is a small gear, 14 Is a motor, 14a is a drive gear, 14b is a drive chain, 15 is a water storage tank, 15a is a water supply pipe, 15b is a nozzle, 15c is a pump, 15d and 15e are recovery paths, m is a medal, and W is washing water.

In the first embodiment, a small amount of cleaning water W is discharged from the nozzle 15 b to the upper surface of the rotating disk 16. The washing water W flies to the medal discharge path 5a side by the centrifugal force generated by the rotation of the turntable 16, and appropriately moistens the wiping roller 11 ahead. As shown in FIG. 1, the inserted medal m is sent to the medal discharge path 5a in a horizontal posture by the rotating disk 16, and then the medal m aligned by the wiping roller 11 is pressed from above and below to generate friction and a small amount. The cleaning water W is used to clean the surface so as to wipe off oils and fine dirt on the surface, and water droplets still adhering are absorbed by the water absorption roller 12 and discharged from the medal discharge port 7.

  A medal discharge path 5a is formed on the side of the cylindrical body 5 and a drain hole 5b is opened on the bottom surface. A pair of upper and lower wiping rollers 11 and a water absorption roller 12 are provided in the middle of the medal transport path 6 along the transport direction. The squeezing roller 13 is pressed under the wiping roller 11 and the water absorption roller 12, the washing water W is stored in the water storage tank 15, the water supply pipe 15a is vertically connected, and the nozzle 15b is connected to the medal slot 2. A pump 15c for sending the cleaning water W of the water storage tank 15 to the water supply pipe 15a is attached, and the cleaning water W falling from the squeeze roller 13 and the cleaning water W drained from the drain hole 5b of the cylinder 5 are collected in the water storage tank 15. (Not shown) for providing a recovery path 15d, 15e for operating the pump 15c so that the washing water W of the water storage tank 15 is discharged from the nozzle 15b when the medal m is not inserted. Is provided with a control means).

  Gears 11 a, 12 a, 13 a and a small gear 13 b are attached to shaft ends of the wiping roller 11, the water absorbing roller 12 and the squeezing roller 13, and the gears 11 a, 12 a, 13 a are engaged with each other, and the small gear 13 b and the drive gear of the motor 14 are engaged. The drive chain 14b is hung between 14a. The wiping roller 11 and the water-absorbing roller 12 are made of sponge with open bubbles, the squeezing roller 13 is made of hard plastic, and the washing water W uses water. A plurality of sets of water absorption rollers 12 may be provided along the medal conveyance path 6.

In Example 1, by operating the motor 9, 14 as shown in FIG. 2 by rotating the pay wipe roller 11 and the water roller 12 and the squeezing roller 13, the cleaning water W of the storage tank 15 by the pump 15c through the water supply pipe 15a A small amount of water is discharged from the nozzle 15 b to the upper surface of the turntable 16 through the medal slot 2. The washing water W flies to the medal discharge path 5a side by the centrifugal force generated by the rotation of the turntable 16 , and appropriately moistens the wiping roller 11 ahead. Excess washing water W falls to the bottom surface of the cylinder 5 and is collected in the water storage tank 15 from the drain hole 5b through the collection path 15e. Since it takes some time for the upper and lower wiping rollers 11 to get wet, the water is continuously discharged for about 1 minute until the cleaning starts, and after the cleaning starts, the medal m is not inserted (once / time). Switch to water for 1 minute).

  Almost no washing water W remains on the surface of the discharged medal m, and thereafter, it can be directly transported to the gaming machine without being dried. Even if it is slightly wet, there is no problem because it dries early during transportation. The removed dirt is adsorbed by the wiping roller 11 containing the cleaning water W and does not adhere to the medal m. The absorbed washing water W is squeezed out by the squeezing roller 13, and collected in the water storage tank 15 through the collecting path 15d and reused.

  The medal cleaning device of the present invention is used for cleaning a medal used for a game such as a slot machine or an article having a similar shape.

It is a longitudinal sectional view of the medals cleaning apparatus of the first embodiment. 3 is a perspective view of a wiping roller of Example 1. FIG. It is a longitudinal cross-sectional view of the conventional medal cleaning and polishing apparatus.

1 Medal cleaning device 2 Medal slot
5 cylinder 5a medal discharge path 5b drain hole 6 medal transport path 7 medal discharge port 8 rotating shaft 8a driven roller 9 motor 9a driving roller 10 driving belt 11 wiping roller 11a gear 12 water absorbing roller 12a gear 13 squeezing roller 13a gear 13b small gear DESCRIPTION OF SYMBOLS 14 Motor 14a Drive gear 14b Drive chain 15 Water storage tank 15a Water supply pipe 15b Nozzle 15c Pump 15d, 15e Collection path 16 Rotation board 21 Medal insertion port 22 Brush board 23 Motor 24 Medal discharge port 25 Water storage tank 26 Pump m Medal W Washing water

Claims (3)

It provided an alignment device for feeding so as not to overlap with each other medals each other by introducing a large number of medals to the upper surface of the horizontal turntable in the horizontal position to the medal discharge path, the upper and lower surfaces of the horizontal medal ahead of the medal discharge path A water-absorbing wiping roller that wipes oil and dirt on the surface of the medal with the friction and washing water by pressing from above and below is provided, and a water storage tank is provided for storing the cleaning water. A nozzle that discharges water with a pump is provided, and a control means is provided to operate the pump so that the washing water in the water storage tank is sent to a small amount of nozzles when the medal is not inserted. in characterized that it has to be cleaned with a small amount of washing water wiping roller moistened medals to be subsequently put moisten the wiping roller skipping in the direction of the wiping roller medal discharge path side, Dar cleaning device.   The medal cleaning apparatus according to claim 1, further comprising a water absorption roller that absorbs a water droplet of the medal at a position downstream of the wiping roller.   The medal cleaning device according to claim 2, further comprising a squeezing roller that squeezes out the cleaning water absorbed by pressing the wiping roller and the water absorbing roller, and a recovery path for recovering the cleaning water falling from the squeezing roller to a water storage tank.

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