JP4175848B2 - Medal washing machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a medal washing machine for washing medals used in medal game machines such as pachislot machines and game machines.
[0002]
[Prior art and problems]
In this type of medal washing machine, medals in a medal storage tank are stored in a hopper below the medal storage tank, and medals in the hopper are sent to a medal transfer rail by a medal feeding device installed in the hopper. The medals being transferred are cleaned by a cleaning means provided at the use location.
[0003]
By the way, in this type of medal washing machine, medals accommodated in a hopper equipped with a medal delivery device are sent to a medal delivery path connected to a medal transfer rail while being swung by a rotating disk at the bottom of the hopper. When you leave the medal, dirt or other foreign matter may stick to it, and the medal may become clogged near the entrance of the medal delivery path. If left untreated, the side wall of the medal delivery path will be damaged. If the medal is jammed, it is necessary to immediately stop driving and take out the jammed medal.
[0004]
However, in the conventional medal washing machine, the hopper is connected to the lower part of the medal storage tank, and this hopper is fixedly mounted on the base of the medal washing machine. In such a case, the large number of screws that attach and fix the hopper to the base are removed one by one, and the hopper is removed from the base and separated from the bottom of the tank. It took time and effort.
[0005]
The present invention provides a medal washing machine that can easily move a hopper to a position where maintenance and inspection can be performed when the inside of the hopper needs to be inspected or repaired due to clogging of medals at the bottom of the hopper. With the goal.
[0006]
[Means for Solving the Problems]
In the invention according to claim 1, the medal M in the medal storage tank 1 is dropped and accommodated in the lower hopper 2, and the medal M in the hopper 2 is moved to the medal transfer rail 3 by the medal feeding device 4 installed in the hopper 2. In the medal washing machine in which the medal M is washed while the medal transfer rail 3 is being transferred, the hopper 2 is separated from the tank 1 and detachably connected to the medal transfer rail 3. The hopper 2 and the medal delivery device 4 are mounted on the movable base 11, and the movable base 11 is mounted on the base 10 at a normal use position where the hopper 2 is located immediately below the tank 1, and the hopper 2 is normally used. It is possible to move from a position to a maintenance / inspection position where the maintenance / inspection work inside the hopper 2 can be performed.
[0007]
According to a second aspect of the present invention, in the medal washing machine according to the first aspect, the movable base 11 slides along a pair of guide portions 33b and 33b provided on both sides of the movable base 11 on the base 10 side during movement. While being guided, the wheels 38 and 38 that are pivotally supported on the lower surface side of the movable base 11 roll on the base plate portion 33a on the base 10 side, and at the wheels 34 that are pivotally supported on the base plate portion 33a. The lower surface side of the movable table 11 is supported.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows an entire medal washing machine according to the present invention. In this figure, 1 is a medal storage tank, 2 is a hopper for storing a medal M dropped from the tank 1, and 3 is always receiving a medal M. It is a medal transfer rail that transfers in an upright posture, and extends along an upright surface that is connected to the hopper 2 and perpendicular to the horizontal plane. Reference numeral 4 denotes a medal sending device that feeds out medals M in the hopper 2 one by one to the medal transfer rail 3 and forcibly transfers them. Reference numeral 5 denotes a cleaning means. A part of the medal transfer rail 3 bent in a substantially U shape along the upright surface is immersed in the hot water for washing in the hot water tank 6 for washing, and the front and back of the medal M being transferred. Both sides are brushed by a pair of rotating brushes 7 on both sides. Reference numeral 8 denotes a water droplet removing unit that removes water droplets attached to the medal M that has been cleaned. Reference numeral 9 denotes a drying unit that dries moisture remaining on the medal M that has passed through the water droplet removing unit 8. Reference numeral 10 denotes a base of a medal washing machine, and casters K are attached to the four corners thereof.
[0009]
As can be seen from FIG. 2, the hopper 2 is separated from the medal storage tank 1, is detachably connected to the medal transfer rail 3, is mounted on the movable table 11 together with the medal delivery device 4, and is movable. The base 11 includes a normal use position (shown by a solid line in FIG. 2) where the hopper 2 is located directly below the tank 1 on the base 10, and a maintenance inspection inside the hopper 2 as the hopper 2 moves forward from the normal use position. It is possible to move between maintenance inspection positions where work is possible (illustrated by phantom lines in FIG. 2).
[0010]
As shown in FIGS. 2 and 3, the hopper 2 has a side wall 2 a that is U-shaped in cross section and is inclined from the top to the bottom. In order to prevent the weight of the medal M dropped from the tank 1 from being applied directly to the medal delivery device 4 side at the bottom of the hopper 2. A partition plate 12 is provided.
[0011]
The structure of the medal delivery device 4 will be described. As shown in FIG. 2, a circular opening 14 as shown in FIG. 5 is formed on the inner surface of the back plate 13 fixed to the bottom of the hopper 2 with a constant inclination posture. An intermediate plate 16 that communicates with an arcuate medal delivery path 15 that extends upward along the outer periphery of the opening 14 is attached, and a circular opening of the intermediate plate 16 is formed on the inner surface of the intermediate plate 16. An inner plate 18 having a circular opening 17 matching 14 is attached. Further, a rotating disk 19 is provided which is fitted in both openings 14 and 17 of the intermediate plate 16 and the inner plate 18 and rotates in a predetermined direction while being in sliding contact with the inner surface of the back plate 13. 2, it is driven by a motor 20 installed on the outer surface of the back plate 13.
[0012]
The rotating disk 19 has a conical cone portion 19a for guiding and guiding medals at the center of the inner surface thereof, and the medal M in the hopper 2 is disposed around the conical cone portion 19a as shown in FIGS. A plurality of medal introduction holes 21 for introducing the medal one by one are penetrated at a constant pitch in the circumferential direction, and the medal M introduced into each medal introduction hole 21 is rotated around the outer surface of the rotating disk 19. In accordance with the rotation of the disc 19, a medal discharge portion 22 is provided that discharges one by one from the back of the introduction hole 21 along the inner surface of the back plate 13 to the medal delivery path 15.
[0013]
The back plate 13 is fixed on the movable base 11 in an inclined posture of about 60 as shown in FIG. 2, and the medal M is placed on the back plate 13 as shown in FIG. 2 and FIG. There are provided a plurality of foreign matter discharge holes 24 for discharging and removing foreign matter adhering to the medal M while being discharged from the introduction hole 21 through the extrusion discharge portion 22 to the medal delivery path 15. As shown in FIG. 3A and FIG. 5, the entrance 15 a of the medal delivery path 15 provided in the intermediate plate 16 is on the tangent line of the circular opening 14 along the rotation direction of the rotary disc 19. Provided. As shown in FIG. 7C, the medal discharge portion 22 provided on the outer peripheral portion of the rotating disk 19 is between the inner portion of one adjacent medal introduction hole 21 and the other medal introduction hole 21. And has a convex curved end wall portion 22a.
[0014]
In the medal delivery device 4, when the motor 20 is started in a state where a large amount of medals M are accommodated in the hopper 2 and the rotating disk 19 is rotated at a low speed in the direction of the arrow in FIG. 3, the medals M in the hopper 2 rotate. As the disk 19 is approached, it gradually rises as shown in FIG. 2, and the medals M that have been raised in this way are guided and guided by the conical cone portion 19a of the rotating disk 19 one by one. It is introduced into the introduction hole 21. When the medal M introduced into each medal introducing hole 21 is swung with the rotation of the rotating disk 19 while being held in the inner part of the medal introducing hole 21, the medal discharging portion is reached. The sheets 22 are discharged one by one to the medal delivery path 15 and sent from the medal delivery path 15 to the medal transfer rail 3 and are forcibly transferred in a daisy chain state as shown in FIG.
[0015]
Most of the medal transfer rail 3 connected to the medal delivery path 15 of the medal delivery device 4 connects the straight rail member 25 extending linearly and the rounded rail member 26 bent at 90 degrees to each other. Then, it is bent up and down along the upright surface to form a meandering shape as shown in FIG. As shown in FIGS. 2 and 3, an exit rail member 27 is disposed at the outlet of the medal delivery path 15, and a connecting member 28 is attached to the rise rail member 27. The rising rail member 27 is connected to the first rounded rail member 26 of the medal transfer rail 3 through a member 28 so as to be separable by a screw 23.
[0016]
As shown in FIGS. 2 and 9, the movable base 11 on which the hopper 2 and the medal delivery device 4 mounted integrally therewith are provided with a pedestal portion 31 on a base frame 30. The back plate 13 of the medal delivery device 4 is fixed on the pedestal 31 in an inclined posture, and the motor 20 installed on the outer surface of the back plate 13 is in contact with the pedestal 31 in an inclined posture. The base frame 30 includes a base plate 30a, left and right side plates 30b and 30b, a front plate 30c, and a rear plate 30d. FIG. 10A is a perspective view of the underframe 30 as viewed from below. As can be seen from this figure, wheels 38 are pivotally supported on the left and right sides of the rear portion of the underplate 30a. Further, each side plate 30b of the frame 30 is formed such that the rear side has a deeper vertical width than the front side, and a stopper step 32 is formed in the middle thereof.
[0017]
FIG. 8 shows the base 10 portion of the medal washing machine to which the movable base 11 is attached. That is, at the front end of one end of the base 10, a base plate portion 33a and guide side plates 33b and 33b (guide portions) having an inverted L-shaped cross section projecting upward along both left and right edges of the base plate portion 33a. A mounting member 33 is attached and fixed. A wheel 34 is pivotally supported on the upper surface of the base plate portion 33a of the mounting member 33 at the center of its front end.
[0018]
In order to attach the movable base 11 equipped with the hopper 2 and the medal delivery device 4 to the attachment member 33 attached to the base 10 as described above, the movable base 11 is fitted to the attachment member 33 on the base 11 side. 10B, the left and right ends of the frame 30 of the movable base 11 and the upper surface of the guide side plate 33b attached to the base 10 The movable base 11 is fixed to the mounting member 33 on the base 10 side by engaging with the fastening part 36 and fastening with the fastening screw 36. The tightening screw 36 is screwed into a screw hole 45 provided on the upper surface of the mounting member 33 on the base 11 side from a screw insertion hole 44 provided in the fixed piece 35. This state is shown in FIG. At this time, the movable base 11 is in a normal use position where the hopper 2 is located immediately below the tank 1. In this normal use position, the rise-up rail member 27 is connected to the rail member 26 of the medal transfer rail 3 with a screw 23.
[0019]
When the medals M are clogged in the hopper 2, the screw 23 is pulled out to release the connection between the rising rail member 27 and the rail member 26 connected thereto, and the screw 36 is After pulling out and removing the fixed pieces 35, 35, if the movable base 11 is pulled forward, the movable base 11 can be maintained and inspected inside the hopper 2 shown in FIG. 12 from the normal use position shown in FIG. Therefore, it is possible to quickly and easily perform operations such as inspecting the internal state of the hopper 2 at the maintenance inspection position and correcting the jammed M. When such work is completed, the movable base 11 is pushed back from the maintenance and inspection position to the normal use position, the fixing pieces 35 and 35 are respectively attached to the original positions, and are fastened and fixed with screws 36, and the rising rail member 27 is fixed. May be connected to the rail member 26 with a screw 23.
[0020]
In this case, the movable table 11 has the frame 30 of the movable table 11 while the left and right plates 30b and 30b of the frame 30 are slidably guided along a pair of left and right guide side plates 33b and 33b provided on the base 10 side. The wheels 38, 38 pivotally supported on the lower surface of the base plate 30a roll on the base plate portion 33a on the base 10 side, and the wheels 34 are pivotally supported on the base plate portion 33a on the base 10 side. Since the base plate 30a of the frame 30 of the movable base 11 is supported, the movable base 11 is pulled out from the normal use position to the maintenance / inspection position, and the movable base from the maintenance / inspection position to the normal use position. 11 can be performed very lightly, and the operation becomes very easy.
[0021]
Further, when the movable base 11 is pulled out from the normal use position to the maintenance inspection position, stopper step portions 32 and 32 are provided in the middle portions of the left and right side plates 30b and 30b of the frame 30 of the movable base 11, respectively. If the movable table 11 moves to the required maintenance and inspection position, the stopper step portions 32 and 32 are locked to the locked portion 37 (see FIG. 8) on the base 10 side. 11 is not pulled out more than necessary from the base 10 side, or is not detached from it.
[0022]
As shown in FIGS. 3A and 3B, the rising rail member 27 includes a pair of belt plates 27a and 27a that support both end portions of the medal M, and a pair that supports both front and back surfaces of the medal M. The side plates 27b, 27b are provided with a groove 27c having a width smaller than the diameter of the medal M in one side plate 27b. The rising rail member 27 is connected to the substrate 13 by a connecting member 28 and connected to the medal delivery path 15 of the medal delivery device 4. As shown in FIG. 3C, the rounded rail member 26 includes a pair of strip plates 26a and 26a and a pair of side plates 26b and 26b that are bent at 90 degrees, and each side plate 26b has an arc shape. The window 26c is formed. The straight rail member 25 is formed in a straight line and has the same configuration as the rounded rail member 26.
[0023]
As shown in FIG. 1, the portion of the medal transfer rail 3 inserted into the washing hot water tank 6 is interposed between a pair of rounded rail members 26, 26 on both sides and both rounded rail members 26, 26. The other straight rail member 29 is bent into a substantially U shape. In the hot water for washing in the hot water tank 6 for washing, the front and back surfaces of the medal M being transferred are brushed by the medal washing means 5 comprising a pair of rotating brushes 7 and 7 on both sides sandwiching the rail member 29. ing.
[0024]
The water droplets attached to the medal M that has been cleaned by the rotating brush 7 under the warm water as described above are removed by the water droplet removing means 8. As shown in FIG. 1, the water droplet removing means 8 is provided on the straight rail member 25 of the medal transfer rail 3 extending upward from the washing hot water tank 6.
[0025]
The drying means 9 dries the moisture when the medals M that have passed through the water drop removing means 8 still have moisture, as schematically shown in phantom lines in FIG. A duct 39 covering the linear medal transfer rail portion 3a extending above the water droplet removing means 8 in a sealed manner over a required length, and along the length direction of the side of the rail portion 3a in the duct 39. A halogen heater lamp 40 is provided, and a blower fan 41 that sends air from one end side of the duct 39 to the rail portion 3a in the duct 39 along its longitudinal direction.
[0026]
As described above, the medal M that has been dried by the drying means 9 and from which moisture has been completely removed passes through the final straight rail member 25 and is discharged from its tip as shown in FIG. As shown in FIG. 1, the medal storage tank 1 is provided with an opening / closing discharge port H for overflow. When the medal M fills the tank 1, it is discharged into a box (not shown) below. It has come to be. In FIG. 1, reference numeral 42 denotes an operation box provided with a power switch 43 and others.
[0027]
【The invention's effect】
According to the first aspect of the present invention, the hopper is separated from the tank and detachably connected to the medal transfer rail, and the hopper and the medal delivery device are mounted on the movable base. When the hopper is moved between the normal use position where the hopper is located directly below the tank and the maintenance inspection position where maintenance and inspection work can be performed inside the hopper, the medal is clogged in the hopper In other words, by moving the movable base from the normal use position to the maintenance / inspection position, it is possible to quickly and easily perform operations such as inspecting the internal state of the hopper and correcting clogging of medals.
[0028]
According to the second aspect of the present invention, the movable table is pivoted on the lower surface side of the movable table while the both side end portions are slidably guided along the pair of guide portions provided on both sides of the movable table. The supported wheel rolls on the base plate and the lower surface of the movable table is supported by the wheel that is pivotally supported on the base plate. It can be done lightly and the work becomes very easy.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an entire medal washing machine according to the present invention.
FIG. 2 is a longitudinal sectional view of a movable base, a hopper mounted on the movable base, and a medal delivery device.
3A is a front sectional view showing a hopper and a medal delivery device, FIG. 3B is a sectional view taken along line XX in FIG. 3A, and FIG. 3C is a sectional view taken along line YY in FIG. .
4A is a front view showing a back plate of the medal feeding means, and FIG. 4B is a side view of the back plate.
5A is a front view showing a middle plate of the medal feeding means, and FIG. 5B is a side view of the middle plate.
6A is a front view showing an inner plate of the medal feeding means, and FIG. 6B is a side view of the inner plate.
7A is a front view showing a rotating disk of the medal feeding means, FIG. 7B is a side view of the rotating disk, and FIG. 7C is a rear view of the rotating disk.
FIG. 8 is a perspective view showing a base portion to which a movable base is attached.
FIG. 9 is an external perspective view of a movable base, a hopper mounted on the movable base, and a medal delivery device.
FIG. 10A is a perspective view of a frame of a movable table viewed from below, and FIG. 10B is a perspective view showing a pair of fixing parts on both sides for fixing the movable table to the base side.
FIG. 11 is an external perspective view showing a state in which a movable base equipped with a hopper and a medal delivery device is attached to a normal use position on the base.
FIG. 12 is an external perspective view showing a state in which a movable base equipped with a hopper and a medal delivery device is pulled out to a maintenance inspection position on the base.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Tank 2 Hopper 3 Medal transfer rail 4 Medal sending device 10 Base 11 Movable base 33 Mounting member 33a Base plate part 33b Guide side plate (guide part)
34 Wheels provided on the base plate on the base side 38 Wheels provided on the movable base side

Claims (2)

The medals in the medal storage tank are dropped and accommodated in the lower hopper, the medals in the hopper are sent to the medal transfer rail by the medal sending device mounted on the hopper, and the medals are washed while the medal transfer rail is being transferred. In the medal washing machine, the hopper is separated from the tank and is detachably connected to the medal transfer rail, and the hopper and the medal delivery device are mounted on the movable base. A medal washing machine which is movable between a normal use position where the hopper is located directly below the tank and a maintenance check position where the hopper moves from the normal use position and allows maintenance and inspection work inside the hopper. When the movable table is moved, the both ends of the movable table are slidably guided along a pair of guides on both sides provided on the base side, while the wheels supported on the lower surface side of the movable table are mounted on the base side. 2. The medal washing machine according to claim 1, wherein the medal washing machine is configured to roll on a plate and to support a lower surface side of the movable table by a wheel pivotally supported on the plate.

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