JP3767815B2 - Medal polishing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a medal polishing apparatus for polishing and cleaning medals used in gaming machines such as slot machines.
[0002]
[Prior art]
Medals used in gaming machines such as slot machines are easily soiled because they touch human hands. For this reason, it is necessary to polish and clean the player when it is recovered from the gaming machine or the counting device so that the player does not feel uncomfortable or prevents the circulation of medals within the device. It is preferable to use hot water rather than water for polishing and cleaning the medal. For example, as disclosed in Japanese Patent Laid-Open No. 6-243324, a device for drying a medal after immersing and cleaning the medal in a hot water bath is known. Yes.
[0003]
However, in such a conventional medal polishing apparatus, a space for a medal drying apparatus is required in addition to a water bath in which the medal is immersed, and the apparatus becomes larger and the installation area increases, and the manufacturing cost also increases. There was a problem.
[0004]
[Problems to be solved by the invention]
The present invention solves the above-described conventional problems, and provides a medal polishing and cleaning apparatus that can clean a medal in a short time and can reduce the size of the apparatus without requiring a space for drying the medal. It was made to do.
[0005]
[Means for Solving the Problems]
The present invention made in order to solve the above problems, in a medal polishing apparatus that arranges wet polishing cloths facing each other, and polishes both sides of the medal by passing medals between these polishing cloths, A heater device for keeping the wet state of the polishing cloth at an appropriate temperature is disposed on the back side of each polishing cloth. In addition, it is preferable to provide the steam processing apparatus which processes the vapor | steam which generate | occur | produces in the vicinity of a heater apparatus.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Next, a preferred embodiment of the present invention will be described in detail.
The medal polishing apparatus of the present invention is an apparatus for polishing and cleaning medals recovered from gaming machines and medals recovered from a counting device. As shown in FIG. 4, the medal conveying means 2 and the polishing cleaning means 3 It consists of.
[0007]
The medal transport means 2 includes a belt drive mechanism 4 and a number of U-shaped medal transport members 5 attached to and connected to the belt drive mechanism 4. As shown in FIG. 4, the belt drive mechanism 4 is attached to a frame 1 including a base 1 a and a support side plate 1 b whose upper surface is inclined, and a drive fixed to a motor 6 and an output shaft 6 a of the motor 6. A pivot 7 is provided at each of the four corners of the left and right support side plates 1b including a pulley 7, a driven pulley 8 connected to the drive pulley 7 via a toothed belt 7a, and a driven pulley 9 provided coaxially with the driven pulley 8. It consists of four pairs of driven pulleys 9 to be worn and toothed belts 10 and 10 wound around each pair of driven pulleys 9.
[0008]
As shown in FIG. 2, the medal transport member 5 is formed by bolting the opposite side sides to the toothed belts 10 and 10 and stretching them between the toothed belts 10 and 10. A medal holding frame portion 11 is formed at the center of. The medal transport member 5 is made of a thin plate that is thinner than the thickness of the medal. The medal holding frame portion 11 of the medal transport member 5 has a dimension that allows a single medal to be stored with a margin on the advancing direction side, but a dimension that allows a plurality of medals to be stored with a margin in the lateral direction orthogonal to the advancing direction. It is said.
[0009]
The polishing and cleaning means 3 includes an upper surface polishing cloth 13 and a lower surface polishing cloth 14 provided so as to sandwich the medal transport member 5 from the front and back sides. The upper surface polishing cloth 13 and the lower surface polishing cloth 14 are arranged so as to sandwich the medal transport member 5 having a thickness equal to or less than the thickness of the medal, and do not directly contact each other. The upper surface polishing cloth 13 and the lower surface polishing cloth 14 are made of a thick and strong core material, and can apply a uniform contact pressure to the entire front and back of the medal held and transported by the medal transport member 5. Further, the upper surface polishing cloth 13 and the lower surface polishing cloth 14 are pressed by pressing plates 15 and 15 at both side edges.
[0010]
In addition, 16 shown in FIG. 4 is an intermittent feed mechanism of the upper surface polishing cloth 13 and the lower surface polishing cloth 14. The intermittent feed mechanism 16 is used to feed a predetermined amount when the upper surface polishing cloth 13 or the lower surface polishing cloth 14 is soiled by the medal polishing cleaning and replace it with a new polishing cleaning surface. The intermittent delivery mechanism 16 is provided with delivery shafts 17a, 17b and take-up shafts 18a, 18b on the upper and lower sides of the rear support plate 1b, and an unused roll-like polishing cloth is attached to the delivery shafts 17a, 17b. The used polishing cloth is wound around the winding shafts 18a and 18b. The winding shafts 18a and 18b are connected to each other via a drive motor and a toothed belt and are driven to rotate. The intermittent feeding mechanism 16 is intermittently driven by a timer.
[0011]
Reference numeral 19 denotes a guide mechanism for the upper surface polishing cloth 13 and the lower surface polishing cloth 14, and the guide mechanism 19 has a small diameter arranged so that the medal conveying member 5 is sandwiched from the front and back of the front and rear ends of the polishing cleaning means 3 as shown in FIG. Guide rollers 20a, 20a pivotally attached to both ends of the guide rollers 19a, 19a and the pressing member 20 that supports the above-described holding plates 15, 15, and a polishing cloth feed amount detection disposed inside the guide rollers 20a, 20a It consists of mechanisms 22 and 22. Reference numeral 21 denotes a presser roller that comes into contact with the used abrasive cloth roll to prevent loosening. The presser roller 21 is slidably attached to the support plate 1b via a spring so that it can cope with fluctuations in the roll diameter. Yes. The polishing cloth feed amount detection mechanisms 22 and 22 are pitch rollers 23 and 23 for winding the polishing cloth, and four pitch plates 23a and 23a provided on the pitch rollers 23 and 23, and a photo for counting the pitch plates 23a and 23a. The photosensor 24 counts the pitch plates 23a and 23a of the pitch rollers 23 and 23 that are constituted by the sensor 24 and are rotated by the sent polishing cloth, thereby regulating the amount of the polishing cloth sent out.
[0012]
A cleaning liquid impregnation mechanism 26 having a nozzle 26 a having the same width as the polishing cloth is provided on the inlet side of the upper polishing cloth 13 and the lower polishing cloth 14. A cleaning liquid supply pipe (not shown) is connected to the nozzle 26a to impregnate and wet the front and back surfaces of the medal and the upper surface polishing cloth 13 and the lower surface polishing cloth 14 with the cleaning liquid. As the cleaning liquid, an aqueous solution containing a surfactant is used. By this cleaning liquid impregnation mechanism 26, the entrance portions of the upper surface polishing cloth 13 and the lower surface polishing cloth 14 are kept in a wet state.
[0013]
Furthermore, in the present invention, the heater device 25 that keeps the wet state of the polishing cloth at an appropriate temperature is disposed on the back surfaces of the upper surface polishing cloth 13 and the lower surface polishing cloth 14. As shown in FIG. 1, the heater device 25 includes a flat plate heater 25 a disposed close to the upper surface polishing cloth 13 and a flat plate heater 25 b disposed close to the lower surface polishing cloth 14. . These heater devices 25 are provided over almost the entire length of the polishing cleaning means 3, and the cleaning effect is obtained by maintaining the wet state of the upper and lower polishing cloths 13, 14 impregnated with the cleaning liquid by the cleaning liquid impregnation mechanism 26 at an appropriate temperature. Increase. The appropriate temperature is 40 ° C. to 70 ° C., and the cleaning performance can be enhanced most during this time.
[0014]
In this way, the medal becomes wet with the cleaning liquid on the entrance side, but the wet medal is sucked out by the upper and lower surface polishing cloths 13 and 14 whose moisture decreases as it goes to the outlet side by the heater device 25, It is discharged in a dry state. For this reason, medals after polishing and cleaning can be immediately distributed to gaming machines. Note that when the wet upper and lower polishing cloths 13 and 14 are heated by the heater device 25, the moisture in the cleaning liquid becomes water vapor, so that steam such as a duct for exhausting the generated vapor is disposed in the vicinity of the heater device 25. It is preferable to provide a processing apparatus.
[0015]
Reference numeral 30 denotes a discharge mechanism that discharges medals that have been polished and cleaned. The discharge mechanism 30 has an upper opening facing the back side of the medal transport member 5 that is connected to the end of the polishing and cleaning means 3 as shown in FIG. Further, the upper opening of the discharge chute 31 is slightly larger than the medal holding frame part 11, so that the medal is quickly discharged from the medal holding frame part 11 of the polishing cleaning means 3.
[0016]
As shown in FIGS. 6 and 7, the medals polished by the medal polishing apparatus of the present invention are transported to the storage tank 43 on the installation island by the lift mechanism 42 of the medal lifting apparatus 40. Then, medals are supplied to the medal distribution vehicle M via the medal supply mechanism 44 provided in the storage tank 43 and then delivered to each gaming machine.
[0017]
In the medal polishing apparatus of the present invention configured as described above, the medal is stored in the medal holding frame portion 11, and the entrance side is interposed between the upper surface polishing cloth 13 and the lower surface polishing cloth 14 wetted by the cleaning liquid impregnation mechanism 26. Polish and clean both front and back surfaces while advancing. By passing the upper surface polishing cloth 13 and the lower surface polishing cloth 14 impregnated with the cleaning liquid in this way, the medal is wiped off after the dirt, hand grease, and tobacco dust are decomposed. Moreover, since the upper surface polishing cloth 13 and the lower surface polishing cloth 14 are heated by the heater device 25, the wet state of the polishing cloth can be maintained at an appropriate temperature, and an excellent cleaning effect can be obtained. In addition, the medals are heated, and the upper surface polishing cloth 13 and the lower surface polishing cloth 14 are heated and dried toward the exit side, so that the medals that have been subjected to the polishing cleaning are sufficiently removed of moisture and dried. Thus, the discharge mechanism 30 is discharged. Therefore, it is not necessary to install a drying device as in the prior art.
[0018]
【The invention's effect】
As apparent from the above description, according to the medal polishing apparatus of the present invention, the medal can be cleaned cleanly in a short time by arranging the heater device that keeps the wet state of the polishing cloth at an appropriate temperature on the back side of each polishing cloth. In addition, there is an advantage that it is possible to reduce the size of the apparatus without requiring a space for drying medals as in the prior art.
[Brief description of the drawings]
FIG. 1 is a front view showing a main part of a preferred embodiment of the present invention.
2 is a plan view of FIG. 1. FIG.
FIG. 3 is an enlarged cross-sectional view of a medal holding frame portion.
FIG. 4 is a front view of the medal polishing apparatus.
FIG. 5 is a side view of the medal polishing apparatus.
FIG. 6 is a front view showing a use state.
7 is a side view of FIG. 6. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Frame 1a Base 1b Support side plate 2 Medal conveyance means 3 Polishing washing means 4 Belt drive mechanism 5 Medal conveyance member 6 Motor 6a Output shaft 7 Drive pulley 7a Toothed belt 8 Followed pulley 9 Followed pulley 10 Toothed belt 11 Medal holding frame portion 13 upper surface polishing cloth 14 lower surface polishing cloth 15 holding plate 16 intermittent feed mechanism 17a delivery shaft 17b delivery shaft 18a take-up shaft 18b take-up shaft 19 guide mechanism 19a small-diameter guide roller 20 pressing member 20a guide roller 21 presser roller 22 polishing cloth delivery amount Detection mechanism 23 Pitch roller 23a Pitch plate 24 Photo sensor 25 Heater device 25a Flat plate heater 25b Flat plate heater 26 Cleaning liquid impregnation mechanism 26a Nozzle 30 Discharge mechanism 31 Discharge chute 40 Medal lifting device 42 Lift mechanism 43 Storage tank 44 Medal replenishment mechanism

Claims (2)

In a medal polishing apparatus that arranges wet polishing cloths facing each other and passes medals between these polishing cloths to polish both sides of the medals, the wet state of the polishing cloths on the back side of each polishing cloth is kept at an appropriate temperature. A medal polishing device characterized in that a heater device that keeps in place is arranged. The medal polishing apparatus according to claim 1, wherein a steam processing device for processing generated steam is provided in the vicinity of the heater device.

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