JPS6329308B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a coin sorting device used in vending machines, games, and the like.

(Prior Art) Conventionally, various types of coin sorting devices for sorting coins, medals, etc. are known. For example, as described in Utility Model Application No. 52-77797, A coin input slot, a return lever, and a return slot are provided, and a coin sorting passage, a fixed side plate, a movable side plate, a chute side plate, etc. that limit the authorized coin chute and the return chute are integrally attached to the top plate, and incorrectly inserted coins are returned. There are coins that are generally referred to as front type coins that are configured to be returned through a chute to a coin return slot on the front board.

In addition, there is another typical coin sorting device called a drop type, which includes, for example,
As stated in Special Publication No. 43-25451,
A rotatable coin diameter checking cradle having a pair of engaging pieces spaced apart at a distance smaller than the diameter of the regular coins to be sorted; and magnetic coin material checking means for checking the material of the coin.

The front-type coin sorting device described above has a self-sufficient structure that integrates the coin input slot to the coin return slot, so it is easy to install in vending machines, game machines, etc., and is compact and requires less installation space. Although it has the advantage of being small, it has the disadvantage of being inferior in material checking function compared to the cradle type coin sorting device.

(Problems to be solved by the invention) In recent years, as the use of vending machines, game machines, etc. has increased, fraudulent acts such as using fraudulent coins other than genuine coins to operate the switches of vending machines, etc. have become commonplace. In order to prevent the use of fraudulent coins, it is necessary to check the diameter, thickness, material, weight, etc. of coins with high accuracy. The front-type coin sorting device described above is combined with a cradle used for determining the diameter and weight of coins and a magnetic coin material checking means used for determining the material of coins in the drop-type method described above. I focused on that.

However, since the entrance of the coin chute for accepting genuine coins and the entrance for the return chute for fraudulent coins are configured to open at the same location relative to the exit of the coin sorting passage where the cradle and magnetic coin material checking means are provided, the return slot A problem arises in that fraudulent coins are passed through the return chute and put into the coin chute of genuine coins, thereby causing unauthorized operation.

Therefore, an object of the present invention is to improve the accuracy of coin sorting in the above-mentioned front type coin sorting device by using a cradle and a magnetic coin material checking means as means for sorting coins according to diameter, weight, and material. An object of the present invention is to provide a coin sorting device that can prevent fraudulent operations.

(Means for Solving the Problems) According to the present invention, as shown in the drawings, the coin input port 2 and the return port 4 are provided above and below, and the return lever 3 is located at an intermediate position between the coin input port and the return port. , a fixed side plate 6 having one side end fixed to the back surface of the front plate 1, and a fixed side plate 6 whose upper end edge is hinged to the upper edge of the fixed side plate 6.
Coin sorting passage 2 that can be opened downward between
5 and the movable side plate 7 defining the coin sorting passage 2.
A coin chute 26 and a return chute 27 are provided, the entrances of which are respectively open to the exits of the coin sorting passage 25. , and the lower end outlet 8 of the coin chute 26
A regular hardening detection means 80 provided in 1 and 2 separated at an interval smaller than the diameter of the regular coins to be sorted.
The engaging pieces 42 and 43 are pivoted on the outer wall of the movable side plate 7 by a pivot pin 41 at a position diagonally below the coin slot.
a cradle 40 projecting into the coin sorting passage 25 through slots 44 and 45 formed in the coin sorting passage 25; a material check magnet 50 attached to the stationary side plate 6 at a position downstream of the cradle 40 in the coin sorting passage 25; It is characterized by comprising means 90 for allowing coins to pass from the entrance of the chute 27 toward the return chute 4, but for blocking passage of coins from the return chute 4 toward the return chute entrance.

(Function) According to the present invention, the diameter and weight of the coins inserted from the coin input port 2 of the top plate 1 are determined by the cradle 40, and coins having the diameter and weight of regular coins are transferred into the coin sorting passage 25. The genuine coins are passed through the coin chute from the exit of the coin sorting passage 25 and accepted, while the fraudulent coins are returned to the return slot 4 via the return chute 27. In addition, fraudulent coins with irregular diameters and weights are placed in the cradle 40.
It falls downward through the engagement pieces 42 and 43, enters the return chute 27, and is returned to the return port 4.

In addition, fraudulent coins were returned from the return slot 4.
Even if the fraudulent coin is pushed into the coin chute 26, the blocking means 90 can prevent the fraudulent coin from entering the coin chute 26.

(Example) The invention will now be explained with reference to the drawings.

In the drawings, reference numeral 1 denotes a top plate, which includes a coin slot 2 having dimensions that allow coins with a diameter and thickness smaller than that of regular coins to pass through, a return lever 3 that can be operated from the outside, and a return slot 4. A U-shaped return coin receiver 5 is provided to receive coins etc. discharged from the return port 4.

Reference numeral 6 indicates a fixed side plate fixed to the back surface of the front plate 1, 7 indicates a movable side plate attached to one side of the fixed side plate 6, and 8 indicates a coin chute side plate 9 and a return chute side plate 10.
The fixed side plate 6, the movable side plate 7, and the chute side plate 8 are each formed into a desired shape by die-casting, and are fitted with fasteners such as screws. The coin sorting device is assembled together with the top plate 1 without using the coin sorting device.

The fixed side plate 6 is fixed to the back surface of the top plate 1 with rivets 11 or the like, and the movable side plate 7 has the upper edge of the fixed side plate 7 inserted into each of circular receiving holes 12 formed spaced apart inside the upper edge of the movable side plate 7. Tubular elastic connecting pieces 1 are attached to the upper edges of both side plates at the assembly position in which the hemispherical tips of protrusions 13 protruding from corresponding spaced positions are respectively supported.
4, the chute side plate 8 is connected to the fixed side plate 6 so as to be elastically openable downward.
is fitted and assembled into the fixed side plate 6 by fitting the fitting hole 15 and the fitting tongue piece 16. In addition, the fixed side plate 6
And the chute side plate 8 has the return coin tray 5 on the top plate 1.
When installing the returned coin tray 5, attach the mounting screw part 1
8 and is integrally tightened and fixed to the top plate 1 by nuts 19.

Reference numerals 20, 21, and 22 are slit engagement grooves for attaching elastic connecting pieces formed on the outside of the upper edge of the fixed side plate 6, the movable side plate 7, and the chute side plate 8, respectively;
It engages with the slit 23 of the connecting piece 14. As described above, by providing the slit engagement groove 22 also at the upper edge of the chute side plate 8, when it becomes necessary to remove the movable side plate 7 from the fixed side plate 6, the connecting piece 13 can be removed from the movable side plate 8. from the groove 21 to the chute side plate 8
The movable side plate 7 can be removed without separating the connecting piece 14 from the main body by sliding it into the groove 22 of the chute side plate 8 and moving it onto the chute side plate 8. When connecting the movable side plate 7 to the fixed side plate 6 again, connect the connecting piece 1 after attaching the movable side plate 7 to the above-mentioned assembly position.
4 can be easily connected by simply sliding it from the groove 22 to the groove 21.

A coin chute 25 is a coin sorting passage defined between the fixed side plate 6 and the movable side plate 7, and 26 is a regular curing passage defined between the fixed side plate 6 and the coin chute side plate 9 of the chute side plate 8. , 27 indicate a defective coin return chute which is a defective coin removal passage defined between the fixed side plate 6 and the return chute side plate 10 of the chute side plate 8 and leading to the coin return opening 4 of the top plate 1.

Reference numeral 30 denotes a blocker that prevents coins from being inserted into the coin slot 2 when the use of vending machines, game machines, etc. is prohibited. The spring force causes the armature piece 32 to constantly protrude into the passage 25 through the hole 34 of the fixed side plate 6, and when the vending machine, game machine, etc. is ready for use, the electromagnet 31 is energized and the armature piece 32 The blocker arm 33 is drawn back from the passage 25 by the electromagnet 31 to allow the coin to be inserted.

35 is a magnet piece for attracting iron pieces such as coin pseudo iron pieces attached to the movable side plate 7, and as shown in FIG. Place it on one side, and
It is provided to attract defective coins such as coin-like pieces of iron thrown in and prevent them from passing. 3
Reference numeral 7 denotes a removal plate for separating and removing defective coins such as coin pseudo iron pieces attracted to the magnet piece 35 from the magnet piece 35. The removal plate 7 is formed integrally with the fixed side plate 6 and crosses the passage 25 to remove the defective coins such as coin pseudo iron pieces from the magnet piece 35. A magnet piece 35 is located within the recess 36 and located on one side of the passage 25 through a hole 38 formed in the exclusion plate 37 . Therefore, as will be described later, when the movable side plate 7 is tilted by the return lever 3 to be opened downward as shown in FIG. The magnetic attraction effect is removed from the defective coins that are attracted to the coins, thereby causing the defective coins to fall into the return chute 27 below and be returned.

Reference numeral 40 designates a coin diameter checking cradle, which is pivotally connected to the movable side plate 7 by a pin 41, and has two engaging pieces 42 and 43 spaced apart at an interval smaller than the diameter of the regular coins to be sorted. engagement piece 42,
43 is an arc-shaped slot 44 formed in the movable side plate 7,
45 into the passageway 25, and is always held by a balance weight 46 between the two engaging pieces 42, 43 to receive the inserted coin, and when the regular coin engages with both the engaging pieces 42, 43, Even if the object loses its balance and rotates and passes through the passage 25, the object smaller than the normal diameter is configured to pass between the two engagement pieces 42 and 43 and fall into the return chute 27 below.

Reference numeral 50 denotes a material checking magnet, which is fitted into a mounting recess 51 formed in the stationary side plate 6 as shown in FIG. ing. A hole 54 is formed in the movable side plate 7 at a position facing the magnet 50, and the magnetic path iron plate 55 is positioned in the hole 54 and fixed to the movable side plate 7 with screws 56, thereby allowing the coin sorting passage 25 to be crossed. cradle 4 to generate a magnetic field.
The coin is rotated by 0 and rolls on the inclined rail 57 on the fixed side plate 6, so that a magnetic braking action is applied to the coin.

Reference numerals 60 and 61 designate exclusion plates for removing defective coins when they are attracted by the strong magnetic force of the magnet 50.
5, a fixed side plate 6 and a magnet mounting recess 51
are located in the recesses 62, 63 formed in the recesses 62, 63, so that when the movable side plate 7 is laterally opened by the return lever 3 as shown in FIG. 61 is configured to exclude pseudo-defective coins and cause them to fall into the return chute 27 below.

As shown in FIG. 8, a notch 65 is provided in the inclined rail 57 provided on the fixed side plate 6 to define a slit 66 between it and the movable side plate 7, and a coin sorting passage width adjustment screw 67 is provided on the movable side plate 7. screw into the side surface 6 of the inclined rail 57 so that its tip protrudes into the passage 25.
8, thereby making it possible to adjust the slit width, and also making the upper surface of the inclined rail 57, which is inclined from the passage entrance side to the exit side, inclined towards the movable side plate 7 side, so that the coin can be attached to the inclined rail. When rolling on the coin 57, the thickness is checked by dropping defective coins thinner than the specified thickness into the return chute 27 below through the slit 66.

70 receives a magnetic braking force from the material check magnet 50, and the rolling passing speed is changed according to the material.The coin shoot 26 receives the coin by colliding with the coin.
In this device, the pendulum lever 71 has its upper end pivoted to the fixed side plate 6 by a pin 72, and a weight 7 is attached to the lower end of the lever.
3 is fixed and swingable and is supported hanging down almost vertically, and the magnet 5 is connected to the magnet 5 through the slot 75 of the fixed side plate 6 through the distribution protrusion 74 provided as a distribution piece at the lower end of the lever.
The coin sorting passage 25, the coin chute 26, and the return chute 27 are located downstream of the coin sorting passage 25, and the coin chute 26 is located downstream of the coin sorting passage 25. 76 is a screw for adjusting the position of the distribution ear,
Its tip is engaged with a stopper (not shown) provided on the fixed side plate 6. A thin plate piece 78 is fixed to the pendulum lever 71, and a jagged check claw 79 is provided at the lower end of this thin plate piece 78.
9 are arranged in parallel with and spaced apart from the distributing ears 74.

In this way, by providing the distribution protrusion 74 and the jagged check 79 on the pendulum lever 71 which is always energized so as to position it at the above-mentioned branch point,
It is possible to reliably prevent the use of defective coins that do not have serrations, and also to prevent unauthorized use in vending machines, game machines, etc. in a backward leaning position. Passage of defective coins to the chute 26 can be prevented.

Reference numeral 80 denotes a regular coin detection microswitch provided for the lower end outlet 81 of the coin chute 26;
2 is the switch operating arm, 83 is the upper end of the pin 84
A lifting prevention piece 85 is provided at the lower end of the line suspension prevention lever which is pivotally mounted on the chute side plate 8.
is energized by the weight part 87 so that it always protrudes into the coin chute 26 through the hole 86 in the chute side plate 8 at a position above the switch actuating arm 82, and as a result, the micro switch 80 is activated by the string-suspended coin.
is configured to prevent unauthorized operation.

In FIG. 7, reference numeral 87 denotes a blocking wall protruding inside the fixed side plate 6 at a position below the cradle 40;
The upper side of the sloping surface 88 allows small diameter coins that fall between the engaging pieces 42 and 43 of the cradle 40 to pass through to the return chute 27 below, but the strips are removed from the coin return opening 4. It can be prevented from being inserted under the cradle 40, thereby preventing unauthorized use.

Similarly, in FIG.
A blocking wall protruding inside the coin return port 7 prevents defective coins thrown in from the coin return port 4 from passing through the coin chute 26 and activating the micro switch 80.

The return lever 3 has a shaft 91 that passes through a hole formed in the top plate 1 and has a bearing protrusion 9 that projects from the fixed side plate 6.
The shaft 91 is rotatably supported and installed in the hole of 2.
A push plate 93 is fixed to rotate integrally with the push plate 93, a push surface 94 of this push plate 93 is formed with an involute curve, and the movable side plate 7
A passive plate 95 is provided laterally protruding from the lower front end of the passive plate 95, and the receiving surface 96 of the passive plate 95 is also formed with an involute curve, and the rotational force of the return lever 3 is transferred to the pushing surface 94 and the receiving surface 96 of the involute curve. It is configured to push open the movable side plate 7 by transmitting it through point contact. By forming the pushing surface 94 and the receiving surface 96 that cooperate with each other in an involute curve in this way, there is less wear on the contacting and engaging surfaces, and the opening operation of the fixed side plate 6 by the return lever 3 can be performed with extremely small force. This makes it possible to easily use a magnet with extremely high magnetic force, which is essential for performing material checks with high precision. In this way, the return operation using the return lever 3 can be performed very easily, and the hinge connection part of the connecting piece 14 is prevented from being twisted due to forcefully pushing it open against the attraction action of the magnet. It is possible to prevent the side plate 7 from shifting its position.

FIG. 9 shows a check path for regular coins A and defective coins B. The diameter and thickness of the coins are checked at the input slot 2, and defective coins _B1 whose diameter or thickness or both are larger than the specified dimensions are rejected.
The coin _A1 is guided to the coin checking cradle 40 by the guide path 95 on the fixed side plate 6, and is engaged and held on both the engaging pieces 42 and 43 as shown by _A2 ,
For small-diameter defective coins, use both engaging pieces 4 of the cradle 40.
The coin passes between 2 and 43 and is ejected to the lower return chute 27 as shown by arrow _B2 , and is rotated by the cradle 27 as shown by arrow _A3 . As a result, the coin pseudo iron pieces are absorbed and removed. Next, the coins roll through the inclined rail 57 as shown by arrow _A3 , and the thickness is checked by the slit 66, and defective coins thinner than the standard are rejected into the return chute 27 as shown by arrow _B3 . When a coin rolls and passes through a strong magnetic field created by the material checking magnet 50, the passing speed of the defective coin is braked by the magnetic braking action and the jagged checking claw 79
Then push the sorting protrusion 74 toward the coin chute closing side and open the return chute 27 as shown by arrow _B4 .
be excluded. On the other hand, regular coins are not subjected to the magnetic braking action by the magnet 50, and the coin chute 2
6, the outer circumferential serrations of the coin engage with the serration check pawl 79, and the rotational movement of the coin pushes the serration check pawl 79 toward the return chute 27, and the coin chute 26 is rotated as shown by arrow _A6 . After passing through and activating the detection micro switch 80, it falls into the cash box as shown at A. However, even if the dimensions and material are exactly the same as regular coins, a defective coin without serrations will push this pawl toward the coin chute 26 side when its smooth outer circumference hits the serration check pawl 79 and pass it into the sorting prong 74. The entrance to the coin chute 26 is then closed and the return chute 27 is similarly removed as indicated by arrow _B4 .

(Effects of the Invention) According to the present invention, there is an advantage that the coin input slot, the return slot, the return lever, the coin sorting passage, the coin chute, and the return chute are integrated, and the magnetic braking action of the cradle and strong material checking magnet is provided. It is possible to combine this with an excellent sorting function, and to prevent fraudulent acts from the return slot that may occur due to this combination, thereby providing a compact, self-contained, and highly accurate coin sorting device.

[Brief explanation of drawings]

1 is a front perspective view of a coin sorting device according to the present invention, FIG. 2 is a front view of the coin sorting device shown in FIG. 1, FIG. 3 is a rear view, FIG. 4 is a right side view, and FIG. The figure is a left perspective view, FIG. 6 is a right perspective view, FIG. 7 is a longitudinal cross-sectional view of the iron piece attracting magnet piece and the return lever portion to explain the operation, and FIG. 8 is a cross-sectional view of the material check magnet portion to explain the operation. Figure, No. 9
10 is a perspective view of the pendulum lever, and FIG. 11 is a perspective view of the return lever portion. 1...Top plate, 2...Coin slot, 3...Return lever, 4...Return slot, 5...Return coin receptacle, 6...
...Fixed side plate, 7...Movable side plate, 8...Chute side plate, 9...Coin chute side plate, 10...Return chute side plate, 11...Rivet, 12...Circular receiving hole, 13
...Protrusion, 14...Elastic connection piece, 15...Fitting hole, 16...Fitting tongue piece, 20, 21, 22...Slit engagement groove for attaching elastic connection piece, 23...Slit, 25... ...coin sorting passage, 26... regular coin passage or coin chute, 27... bad coin removal passage or bad coin return chute, 30... Brodsker, 31... electromagnet, 32... movable armature piece,
33...Brocker arm, 35...Magnet piece for attracting iron pieces, 36...Indentation, 37...Exclusion plate, 38...
...hole, 40...cradle for checking coin diameter,
42, 43... Engaging piece, 44, 45... Arc-shaped slot, 46... Balance weight, 50... Magnet for material check, 51... Mounting recess, 52... Recessed side wall hole, 53... Holding Plate, 54... Hole, 55...
Magnetic path iron plate, 56...Screw, 57...Ramp, 6
0,61...exclusion plate, 62,63...dent, 65
... Notch, 66 ... Slit, 67 ... Coin sorting passage width adjustment screw, 68 ... Side, 70 ... Coin sorting device, 71 ... Pendulum lever, 72 ... Pin, 73 ... Weight, 74 ...Distributing piece or distributing lug, 75...Slot hole, 76...Position adjustment screw, 77...Stopper, 78...Thin plate piece, 7
9...Jagged check claw, 80...Genuine coin detection micro switch, 81...Lower end exit, 82...Switch operating arm, 83...Line hanging prevention lever, 84
... Pin, 85 ... Hanging prevention piece, 86 ... Hole,
87... Weight section, 88... Blocking wall, 89...
Inclined surface, 90... blocking wall, 91... axis, 92...
Bearing protrusion, 93... Push plate, 94... Push surface, 95
...Passive board, 96...Receiving surface.

Claims (1)

[Claims] 1 A top plate 1 with a coin slot 2 and a return slot 4 provided above and below, a return lever 3 provided at an intermediate position between the coin slots 2 and the return slot, and one side end on the back side of the top board 1. A movable side plate 7 which defines a coin sorting passage 25 that can be opened downward between the fixed side plate 6 and the fixed side plate 6, the upper edge of which is hinged to the upper edge of the fixed side plate 6. and a coin chute 26 and a return chute 27 whose entrances are respectively open to the exit of the coin sorting passage 25.
The return chute 27 is provided at a position below the coin sorting passage 25 and extends to the return port 4 of the top plate 1;
6, and two engaging pieces 42 and 43 spaced apart from each other by a distance smaller than the diameter of the regular coins to be sorted, and movable at a position diagonally below the coin input slot. Engagement pieces 42, 4 are pivotally mounted on the outer wall of the side plate 7 by a pivot pin 41.
3 into the coin sorting passage 25 through slots 44 and 45 formed in the movable side plate 7.
and a material check magnet 50 attached to the side plate 6 at a position downstream from the cradle 40 of the coin sorting passage 25, and allows coins to pass from the entrance of the return chute 27 toward the return port 4. A means 90 for preventing coins from passing from the opening 4 toward the entrance of the return chute is provided in the return chute 27 whose entrance is open to the exit of the coin sorting passage 25. Coin sorting device.