JP2007296179A - Token cleaning device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a token cleaning device capable of reducing the quantity of cleaning water to be used to dispense with changing operation of cleaning water during operation without lowering the cleaning capability. <P>SOLUTION: A pair of water absorptive cleaning rollers 11 sending out tokens m in a conveying direction while pressing the upper and lower faces of the same is arranged, a driving means for driving the cleaning rollers 11 is arranged, a water storage tank 16 storing the cleaning water W is arranged, nozzles 14a moistening the cleaning rollers 11 by spraying a small amount of the cleaning water W in the water storage tank 16 to the roller faces of the cleaning rollers 11 are arranged, and a pump 15 sending out the cleaning water W in the water storage tank 16 to the nozzles 14a is arranged in the middle position of a token conveying passage 6, so that the stain can be cleaned by wiping the tokens m by the cleaning rollers 11 moistened by the small amount of cleaning water W. <P>COPYRIGHT: (C)2008,JPO&INPIT

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. 4, the medal m is rotated between the upper and lower brush boards 22 while being fed together with the cleaning water W, and the medal m is moved in the circumferential direction while being cleaned and polished by rotation and centrifugal force. The cleaning water W adhering to m is absorbed by the water absorption roller 23 and discharged. In the figure, 21 is a medal slot, 24 is a squeezing roller for squeezing the cleaning water W absorbed by the water absorption roller 23, 25 is a water storage tank, and 26 is a pump for sending out the cleaning water W.

By the way, in the said technique, the apparatus for circulating the washing water W was required, the apparatus became large and complicated, and the operation | work which replaces the contaminated washing water W was needed during the operation. Further, in a dry-type apparatus that does not use the washing water W, there is a problem that the removed dirt is likely to adhere to the medal m and the cleaning ability is inferior.
JP 2005-328892 A

  The problem to be solved by the present invention is to solve these conventional problems, and to reduce the cleaning capacity and reduce the amount of cleaning water to be used, thereby eliminating the need for replacing the cleaning water during operation. It is in providing a medal cleaning device.

The configuration of the present invention that solves this problem is as follows.
1) A pair of water-absorbing cleaning rollers that feed in the conveying direction while pressing the upper and lower surfaces of the medal are provided in the middle of the medal conveying path, a drive unit that drives the cleaning roller is provided, and a water storage tank that stores cleaning water is provided. A nozzle that sprays a small amount of cleaning water from the water storage tank onto the roller surface of the cleaning roller to moisten the cleaning roller is provided, a pump that feeds the cleaning water from the water storage tank to the nozzle is provided, and a medal with a cleaning roller moistened with a small amount of cleaning water The medal cleaning device 2 is characterized in that dirt can be cleaned by wiping the medals. 2) The medal cleaning device 3 according to 1), wherein the pump is operated so as to intermittently send out the washing water. ) The medal cleaning device 4) according to the above 1) or 2), in which the nozzle is disposed toward the roller surface of the lower cleaning roller, and the water storage tank is disposed immediately below the lower cleaning roller. The medal cleaning device 5) according to any one of 1) to 3), wherein the upper surface of the water storage tank is opened so that the wash water falling from the cleaning roller can be collected in the water storage tank. The medal cleaning device according to any one of 1) to 4), wherein a medal polishing unit that polishes a medal with a pair of brushes is provided.

  According to the present invention, the cleaning water is supplied to the cleaning roller with the required minimum amount, and the medal is pressed from above and below with a pair of moistened cleaning rollers to wipe away dirt such as oil and fat with friction and a small amount of cleaning water. Clean and send out. Therefore, a complicated circulation device for handling a large amount of washing water as in the prior art is not required, and the apparatus can be simplified in size and the exchange operation of contaminated washing water can be omitted. Further, the removed dirt is adsorbed by a cleaning roller containing cleaning water and hardly adheres to the medal, and has a higher cleaning ability than a dry apparatus.

  In the present invention, the direction of spraying the cleaning water may be from below, above, or from the side of the cleaning roller, and is selected according to the structure of the apparatus. In particular, it is preferable that the nozzles are arranged so as to face the roller surface of the lower cleaning roller, because extra cleaning water hardly hits the medals passing through the medal transport path. As the cleaning roller, a material excellent in wiping property such as fats and oils such as a foamed synthetic resin having open cells and a wound fabric with a water absorbent cloth material is used. As the pump, it is desirable that the pump is continuously sent out until the cleaning water reaches the cleaning roller immediately after the operation of the apparatus, and can be intermittently sent out according to the necessary amount after the cleaning is started. It is preferable that the water storage tank having a structure with an open upper surface is disposed directly below the lower cleaning roller so that the cleaning water falling from the cleaning roller can be collected in the water storage tank, because the maintenance of the apparatus is facilitated. As the washing water, water or a mixture of an appropriate amount of washing liquid in water is used. Embodiments of the present invention will be specifically described below with reference to the drawings.

  FIG. 1 is a longitudinal sectional view of the medal cleaning device of the embodiment, FIG. 2 is an exploded perspective view of the medal cleaning device of the embodiment, and FIG. 3 is a perspective view of the cleaning roller of the embodiment. In the figure, 1 is a medal cleaning device, 2 is a medal slot, 3 is an upper brush board, 3a is brush hair, 4 is a lower brush board, 4a is brush hair, 4b is a soft sheet, 5 is a cylinder, and 5a is Medal discharge path, 6 is a medal transport path, 7 is a medal discharge port, 8 is a rotation shaft, 8a is a driven roller, 9 is a motor, 9a is a drive roller, 10 is a drive belt, 11 is a cleaning roller, 11a is a gear, 11b Is a small gear, 12 is a drive chain, 13 is a motor, 13a is a drive gear, 14 is a water supply pipe, 14a is a nozzle, 15 is a pump, 16 is a water storage tank, m is a medal, and W is wash water.

  The medal cleaning device 1 according to the present embodiment includes a mortar-shaped medal slot 2 at the top as shown in FIG. 1, and an upper brush board 3 is fixed to the lower end of the medal slot 2 and directly below the upper brush board 3. A lower brush disc 4 is rotatably arranged, a cylinder 5 is provided to cover the periphery and bottom of the upper brush disc 3 and the lower brush disc 4, and a rotating shaft 8 is arranged by drilling the bottom surface of the cylinder 5. The drive belt 10 is suspended between the driven roller 8a of the rotary shaft 8 and the drive roller 9a of the motor 9 in connection with the lower brush board 4. The soft sheet 4b prevents the medal m from slipping.

  A medal discharge path 5a is formed on the side of the cylindrical body 5, and two pairs of upper and lower cleaning rollers 11 are provided in the middle of the medal transport path 6 along the transport direction, and directly above the lower cleaning roller 11 A water storage tank 16 is provided, the washing water W is stored in the water storage tank 16, the water supply pipe 14 is vertically plumbed, and the middle branches toward the roller surfaces of the two lower cleaning rollers 11, A nozzle 14 a is formed at each of the tips, and a pump 15 for sending the cleaning water W of the water storage tank 16 to the water supply pipe 14 is attached.

  A gear 11 a and a small gear 11 b are attached to the shaft end of the cleaning roller 11, the gears 11 a are engaged with each other, and the drive chain 12 is suspended between the small gear 11 b and the drive gear 13 a of the motor 13. The cleaning roller 11 is composed of a sponge having open cells, and the cleaning water W uses water.

  In this embodiment, the motors 9 and 13 are actuated to rotate the lower brush disc 4 and the cleaning roller 11, and the cleaning water W of the water storage tank is sent out by the pump 15 through the water supply pipe 14. A small amount is sprayed onto the surface with the nozzle 14a to moisten the cleaning roller 11 appropriately. In addition, since it takes some time until the roller surfaces of the upper and lower cleaning rollers 11 are moistened, it is switched to spraying intermittently for a while until the start of cleaning and intermittently spraying immediately before the start of cleaning.

  When the dirty medal m is inserted into the medal insertion slot 2, the medal m is moved in the circumferential direction while being polished by the brush bristles 3a, 4a by the rotation of the lower brush board 4, and from the medal discharge path 5a to the cleaning roller 11 direction. Discharged. The polished dirt accumulates at the bottom of the lower brush board 4 and the cylinder 5. Polishing with the brush bristles 3a and 4a removes large dust and dirt, but the fats and oils and fine dust adhering to the surface of the medal m are not sufficiently removed. However, after that, the cleaning roller 11 which is the main part of the present invention presses the conveyed polished medal m from above and below to remove the oil and fine dust remaining on the polished surface with friction and a small amount of cleaning water W. The medals are surely cleaned so as to be wiped and discharged from the medal discharge port 7.

  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 cleaning roller 11 containing the cleaning water W and does not adhere to the medal m. The consumption amount of the cleaning water W is about 100 cc / hour (the amount of adhesion to the medal m is 0.1 cc or less per sheet), and the storage amount of the cleaning water W is the water absorption amount and the operation time of the cleaning roller 11 (for example, 10 hours). In consideration of the above, approximately 1.0 to 1.5 L is sufficient, and approximately 900,000 medals m can be continuously cleaned without replenishing the washing water W.

  The medal cleaning device of the present invention is used for cleaning medals used in games such as slot machines.

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

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Medal cleaning apparatus 2 Medal insertion port 3 Upper brush board 3a Brush bristles 4 Lower brush board 4a Brush bristles 4b Soft sheet 5 Cylindrical body 5a Medal discharge path 6 Medal conveyance path 7 Medal discharge port 8 Rotating shaft 8a Follower roller 9 Motor 9a Drive roller 10 Drive belt 11 Cleaning roller 11a Gear 11b Small gear 12 Drive chain 13 Motor 13a Drive gear 14 Water supply pipe 14a Nozzle 15 Pump 16 Water storage tank 21 Medal inlet 22 Brush board 23 Water absorption roller 24 Squeezing roller 25 Water storage tank 26 Pump m Medal W Wash water

Claims (5)

  Provided with a pair of water-absorbing cleaning rollers that feed in the conveying direction while pressing the upper and lower surfaces of the medal in the middle position of the medal conveying path, provided with a driving means for driving the cleaning roller, provided with a water storage tank for storing cleaning water, A nozzle that sprays a small amount of cleaning water from the tank onto the roller surface of the cleaning roller to moisten the cleaning roller is provided, a pump that sends the cleaning water from the water storage tank to the nozzle is provided, and the medals are wiped with a cleaning roller moistened with a small amount of cleaning water In this way, the medal cleaning device is characterized in that dirt can be cleaned.   The medal cleaning apparatus according to claim 1, wherein the pump operates so as to intermittently send out the washing water.   The medal cleaning apparatus according to claim 1, wherein the nozzle is disposed toward the roller surface of the lower cleaning roller.   The medal cleaning according to any one of claims 1 to 3, wherein the water storage tank is disposed directly below the lower cleaning roller, the upper surface of the water storage tank is opened, and the wash water falling from the cleaning roller can be collected in the water storage tank. apparatus.   The medal cleaning device according to any one of claims 1 to 4, further comprising a medal polishing unit that polishes a medal with a pair of brushes at a position upstream of the cleaning roller of the medal transport path.

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