JP2002143536A - Medal washing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate such problems that since the carrying of medals in a normal medal washing device is performed by a conveyor, and a rubber material or the like is normally used for the conveyor, the durability is low, and also, the lower surfaces of the medals are moved while being in contact with the conveyor, and the application of a washing liquid becomes insufficient; provide a carrying means which is excellent in durability; and make the washing liquid efficiently adhere to the total surfaces on the front and rear sides of the medals. SOLUTION: This medal washing device 1 is equipped with a washing- transferring means 2 which receives fed medals and transfers them while washing them, and an adhering liquid-removing means 3 which removes the washing liquid adhered to the washed medals. In such a medal washing device 1, a medal transferring mechanism 10 for the washing-transferring means 2 is constituted by alternately arranging a large number of feeding rails 20 and a fixed rail 15. The feeding rail 20 is equipped with a vertically moving means 30 and a longitudinally moving means 40. The lifting of the fed medals from the fixed rail 15 and the moving them forward in order are repeated by an interlocked operation of respective means 30 and 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a medal washing device, and more particularly to a medal washing device for washing a small disc-shaped medal for a game, then wiping a washing liquid and sending the medal in a dry state.

[0002]

2. Description of the Related Art An example of the above-described medal washing apparatus is shown in FIGS. In the figure, a medal cleaning device 50 includes a cleaning unit 51 for a supplied medal W, and a cleaned medal W.
And the attached liquid removing means 52. The cleaning means 51 includes a cleaning liquid injection nozzle 53 for spraying a cleaning liquid onto the supplied medals, and a conveyor 5 for receiving and transferring the medals W.
4 and a cleaning brush 55 for medals on the conveyor. The cleaning brush 55 wipes and cleans the medals W, and prevents the medals W from overlapping and moving, and rotates in a direction opposite to the direction in which the medals W are transferred.

The adhering liquid removing means 52 includes upper and lower pairs of drying rollers 56 and 57, and a squeezing roller 58 which is mounted in pressure contact with the lower drying roller. Drying roller 5
Reference numerals 6 and 57 are made of a water-absorbing porous material having, for example, fine continuous pores. The squeezing roller 58 is configured to remove and discharge the moisture adsorbed on the drying roller. As shown in FIG. 13, an example of the squeezing roller 58 is to form a twist groove 63 that is opposite to the left and right from the center and presses against the drying roller. The cleaning liquid is extruded to the drying roller, and the extruded cleaning liquid reaches the roller end along the groove and is discharged by an appropriate means. M indicates a drive motor, C1 and C2 indicate interlocking chains, S indicates a discharge chute, and T indicates a water storage tank.

In the above arrangement, the medals W inserted in the hopper H are sequentially supplied onto the conveyor 54, the cleaning liquid is sprayed from the injection nozzles 53, transferred in a wet state, and wiped by the rotation of the cleaning brush 55. Thereafter, the liquid is transferred to the drying rollers 56 and 57, and the adhering liquid is suctioned and removed by the drying rollers and discharged from the discharge chute S.

[0005]

In the above-mentioned cleaning apparatus, the transport of medals is performed by a conveyor. However, the conveyor is usually made of rubber or the like, and has problems such as poor durability. In addition, the lower surface of the medal shifts while being in contact with the conveyor, and there is a problem that the application of the cleaning liquid becomes insufficient. SUMMARY OF THE INVENTION In view of the above, an object of the present invention is to provide a highly durable transport means using a metal plate rail as a medal transport means. A further object of the present invention is to make the cleaning liquid efficiently adhere to the front and back surfaces of the medal.

[0006]

According to a first aspect of the present invention, there is provided a cleaning / transporting means for receiving supplied medals, cleaning and transporting the medals, and a cleaning liquid attached to the cleaned medals. In the medal washing device provided with an adhering liquid removing means for removing the medals, the medal transfer mechanism in the washing and transferring means has a large number of feed rails and fixed rails arranged alternately, and the feed rail shifts back and forth with the elevating means. Means are provided, and medals to be supplied are repeatedly lifted from the fixed rail and sequentially shifted forward by the related operations of these means.

According to the present invention having the above structure, the medal washing / transferring means has a large number of feed rails and fixed rails arranged alternately, and the feed rail is operated by associating the elevating means with the forward / backward moving means. The medal is transferred by repeatedly lifting the supplied medals from the fixed rail and sequentially moving the medals forward.

According to a second aspect of the present invention, the feed rails are formed alternately as a set, and when a medal is lifted and transferred by one set of feed rails, the other set of feed rails is lowered and moved rearward. In order to transfer medals alternately by repeating this operation, the respective lifting / lowering means and the forward / backward transition means are operated in association with each other.

In the present invention having the above-described structure, a plurality of parallel feed rails are formed every other set, and are alternately transported by one set of feed rails and the other set of feed rails. Thereby, the medal can be transported efficiently.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in FIGS. In the figure, a medal washing device 1 includes a washing and transferring means 2 for medals W supplied in the same manner as in the well-known example, and an adhering liquid removing means 3 for washed medals W. However, the adhering liquid removing means 3 includes upper and lower pairs of drying rollers 5 and 6 and a squeezing roller 7 which is mounted in pressure contact with the lower drying roller 6. Each of the drying rollers 5 and 6 and the squeezing roller 7 have the same structure as in the above-described conventional example, and a description thereof will be omitted.

The cleaning and transferring means 2 includes a transfer mechanism 10 for receiving and transferring the supplied medals W, a cleaning liquid jet nozzle 11 for spraying a cleaning liquid on the medals, and a transfer mechanism 10.
And a cleaning brush 12 for the upper medal. The cleaning liquid injection nozzle 11 shows an example in which the cleaning liquid is injected by the cleaning liquid heater 13 as superheated steam. Reference numeral 14 denotes a cover. The cleaning brush 12 has the same structure as the cleaning brush 55 of the well-known example, and the description is omitted.

The transfer mechanism 10 includes a large number of fixed rails 15.
, A feed rail 20, and camshafts 21 and 22 orthogonal to these rails for driving the feed rail 20.
The fixed rails 15 have a length substantially equal to the length of the transfer mechanism 10 and are arranged side by side at a predetermined interval, and are attached to the housing F with the front and rear thereof kept at constant intervals by connecting rods 16, 16. The feed rails 20 are arranged between the fixed rails 15 and are alternately arranged in opposite directions. That is, the feed rail 20 is divided into two sets, one group being 20a and the other being 20b (hereinafter simply referred to as the feed rail 20). M indicates a drive motor, and C1 to C3 indicate drive chains.

The feed rail 20 includes the cam shaft 21,
22 is provided with a lifting means 30. This lifting means 30
For the feed rail group 20a, a receiving plate 33a is attached to face the cam 25a attached to the cam shaft 21 and the cam 25 attached to the other cam shaft 22.
b. In the figure,
Reference numeral 35a denotes a connecting rod for connecting the feed rail 20a. For the other feed rail group 20b, a receiving plate 33b is opposed to the cam 26a mounted on the cam shaft 22, and an auxiliary receiving plate extending on the cam 26b mounted on the other cam shaft 21. 34b. In the drawing, reference numeral 35b denotes a connecting rod for connecting the feed rail 20b. The cams 26a and 26b are attached to the cam shafts with a phase shift of 180 degrees with respect to the cams 25a and 25b.

However, the receiving plate 33 and the auxiliary receiving plate 34
As shown in FIGS. 11 and 12, the feed rails to be mounted need only be provided on the rails at both ends of each of the feed rail groups 20a and 20b. If necessary, the feed rail mounting side of the auxiliary receiving plates 34a and 34b may be provided. May be connected by auxiliary connecting rods 36a and 36b.

Thus, when the cam shafts 21 and 22 rotate, for example, when the feed rail group 20a is lifted by the cams 25a and 25b, the other feed rail group 20b is lowered, and conversely, the feed rail group 20b is raised. At the time, the feed rail group 20a is descending. This raised position is fixed rail 1
The height is set so that it is located above the rail 5 and below the rail.

Each of the feed rail groups is provided with a forward / backward shifting means 40. This means 40 is provided with crank type cams 41a and 41b on cam shafts 25 and 26,
Fork-shaped drive plates 4a and 2b are respectively provided on appropriate rails (in the figure, a feed rail at a substantially central portion).
2a and 42b are attached. However, the crank cams 41a and 41b are provided with a phase shift of 180 degrees. The length of the groove of the driving plate is set to a length that allows the rotation of the crank cam, that is, a length that does not allow the feed rail to be lifted by the rotation of the cam.

As a result, the rotation of the crank type cam 41 is controlled by the feed rail groups 20a, 20b via the drive plates 42a, 42b.
0b is alternately moved forward and backward. At this time, each feed rail
They are simply placed on the cams 25 and 26 and are easily shifted.

In the above configuration, the medals supplied to the hopper H are sequentially placed on the transfer mechanism 10. The feed rail 20 of the transfer mechanism 10 is raised by the lifting / lowering means 30 by the rotation of the camshafts 21 and 22 for each group 20a and 20b,
The forward / backward transition by the forward / backward transition means 40 alternately lifts the medals W on the fixed rail and moves forward.

[0019]

As described above, according to the present invention, the medal transfer mechanism in the washing transfer means has a large number of feed rails and fixed rails arranged alternately, and the feed rails are supplied by the elevating means and the back and forth transition means. Since the medals are lifted from the fixed rail and sequentially moved forward, the transfer mechanism can be more durable than the conventional conveyor type. Further, the sprayed cleaning liquid can be attached to the entire upper and lower surfaces of the medal. Further, since the medals supplied to the transfer mechanism are swung up and down, the overlap is eliminated, and the wiping by the cleaning brush can be reliably performed. Further, the above-mentioned feed rails are formed every other pair, and when the medal is lifted and transported by one of the feed rails, the other pair of feed rails is lowered and moved rearward, and this is repeated with each other. When the medals are transferred alternately, medals can be transferred efficiently.

[Brief description of the drawings]

FIG. 1 is an overall explanatory view of a medal cleaning device of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a front view of a fixed trailer.

FIG. 4 is a front view of a feed rail of one feed rail group.

FIG. 5 is an explanatory diagram of a relationship between a feed rail and a lifting means of FIG. 4;

FIG. 6 is an explanatory view showing a relationship between a feed rail and a front-rear shift means of FIG. 4;

FIG. 7 is a front view of a feed rail of the other feed rail group.

FIG. 8 is an explanatory diagram of a relationship between the feed rail and the elevating means of FIG. 7;

9 is an explanatory diagram showing a relationship between a feed rail and a means for shifting the feed rail in FIG. 7;

FIG. 10 is a sectional view taken along line XX in FIG. 1;

FIG. 11 is a sectional view taken along line YY in FIG. 1;

FIG. 12 is an overall explanatory view of a medal cleaning device of a conventional example.

FIG. 13 is a front view of an aperture roller.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Medal washing | cleaning apparatus 2 Cleaning transfer means 3 Adhered liquid removal means 10 Transfer mechanism 15 Fixed rail 20 Feed rail 30 Elevating means 40 Front-back moving means

Claims (2)

[Claims] 1. A medal washing apparatus comprising: a washing / transferring means for receiving a supplied medal and washing and transferring the medal; and an adhering liquid removing means for removing a washing liquid adhering to the washed medal. The medal transfer mechanism in the washing transfer means has a large number of feed rails and fixed rails arranged alternately, and the feed rail includes elevating means and back-and-forth transition means, and medals supplied by related operations of these means. A medal washing device characterized in that the medal washing device repeatedly lifts the upper surface from the fixed rail and sequentially moves forward. 2. When every two feed rails are paired, and when a medal is lifted and transferred by one of the feed rails, the other set of feed rails descends and moves rearward, and this is repeated with each other. 2. The medal washing apparatus according to claim 1, wherein each of the lifting and lowering means and the front and rear shifting means are operated in association with each other so as to transfer the medals alternately.