JP3227169B2 - Coin dispenser - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coin dispensing apparatus used in a vending machine, a money changing machine and the like.

[0002]

2. Description of the Related Art Various types of coin dispensing apparatuses of this type have been known. FIG. 8 shows a typical example of a coin payout mechanism. In this coin dispensing mechanism, a plurality of coin storage cylinders 2 for storing coins 1 are arranged side by side, a wiper 3 is disposed below the coin storage cylinder 2, and a selection drive unit 4 for the wiper 3 is disposed. The selection drive unit 4 includes a drive motor 5, a crank plate 6, a main wiper 7, a worm 8, a worm gear 9, a trigger pin 10, and the like. When the drive motor 5 is rotated by a predetermined angle in the forward direction, the worm 8 is turned off. The worm gear 9 is rotated through the trigger pin 1
0 falls into the cam groove 11, whereby the wiper pin 1
2 falls into the hole of the main wiper 7, and the main wiper 7 and the wiper 3 are connected. When the drive motor 5 is rotated in the reverse direction, the crank plate 6 is rotated, whereby the main wiper 7 is driven, the wiper 3 connected to the main wiper 7 moves forward and backward, and the wiper 3 not connected to the main wiper 7 is moved. Is stopped, and coins are selectively paid out.

[0003]

The above conventional coin dispensing apparatus has the following problems. That is, the worm devices such as the worm 8 and the worm gear 9 are expensive and costly. Also, the normal coin storage cylinder 2 is 10 yen, 50 yen.
It is enough to provide four coins for yen, 100 yen and 500 yen coins,
In the case of about four coin storage cylinders 2, the coin storage cylinders 2 can be arranged in a row on the front surface of the apparatus and can be handled by one worm device. If, for example, about three spare coin storage cylinders are provided to prevent change of money, and a total of about seven coin storage cylinders are provided,
If the coin storage cylinders are arranged in one row, the width of the apparatus becomes large and the apparatus becomes large.
It is necessary to arrange them in rows. However, if the coin storage cylinders are arranged in two rows and two rows, there is a problem that the drive mechanism of the wiper for each coin storage cylinder becomes complicated.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide an inexpensive coin dispensing device having a simple structure.

[0005]

The present invention has the following arrangement to achieve the above object. In other words, you accommodate coins for dispensing, a plurality of coin holding cylinder provided in two rows between the upper and lower, and the lower main wiper provided retractably in the radial direction of the lower coin accommodating cylinder, In the upper coin storage cylinder
Upper main wiper that can be moved back and forth in the radial direction
If, at the bottom of each coin holding cylinder provided retractably in the radial direction of the coin accommodating cylinder, and which can be withdrawn wiper from the open portion of the lower coin accommodating cylinder one by one coins accommodated in the coin accommodating cylinder, the a wiper pin disengaging the <br/> wiper and the corresponding lower and upper main wiper, the lower main
Coaxial to drive the wiper and the upper main wiper
The upper crank plate and the upper crank plate
A wiper drive unit having a gear group that meshes with a gear portion of the crank plate ; and a plurality of gear units that are provided corresponding to the respective wipers and that have a surface cam on the upper surface and mesh appropriately via an intermediate gear. A dispensing mode setting unit including a trigger pin that is vertically moved by the surface cam, operates on the wiper pin to disengage the engagement of the wiper with the main wiper, and the wiper driving unit and the dispensing mode. one positive reverse motor that drives the setting unit, the driving force of the positive reverse motor, the connected to the wiper drive unit during one-way rotation of the forward and reverse motor, connected to the dispensing mode setting unit during reverse rotation And a clutch part. The gear group of the dispensing mode setting unit is housed in a sealed gear box and is detachably attached to a casing.The trigger pin can protrude into a gear box from a through hole provided in the gear box, and the clutch It is preferable that the driving force of the forward / reverse motor is transmitted from the portion via a detachable transmission shaft. Said
A latch portion, a sun gear meshing directly or via an intermediate gear provided on a rotation shaft of the forward / reverse motor, a swing arm provided swingably about the sun gear shaft, A planetary gear rotatably provided on the swinging arm and meshing with the sun gear, wherein the swinging arm swings in the same direction when the forward / reverse motor rotates in one direction to form a gear of the wiper driving unit. It is preferable that the swing arm swings in the reverse direction when the forward / reverse motor rotates in the reverse direction, so that the clutch unit meshes with a gear that transmits driving force to the payout mode setting unit.

[0006]

The operation will be described with reference to FIGS. 2, 4, and 6. A coin is inserted into a vending machine or the like, and a change is calculated by the calculation unit. Based on this, it is determined which wiper 25 should be driven and how many times. The forward / reverse motor 50 is rotated in a predetermined direction, the transmission shaft 51 is rotated, and the cam gears K1 to K
7 is rotated by a predetermined angle, for example, a wiper 25 for 10 yen
Is connected to the main wiper 27. Forward / reverse motor 5
0 is rotated in the reverse direction, and the wiper 25 for 10 yen is driven a predetermined number of times to pay out the required number of 10 yen coins. Next, the wiper 25 for 100 yen or the like is driven, and thus all change is paid out.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 is a front view and FIG. 2 is a side view. The coin dispensing mechanism is housed in the casing 20, and is detachably attached to the predetermined portion of the vending machine or the like together with the casing. Fig. 3 shows the coin storage cylinder P
FIG. 4 is a plan view showing the position of a storage cylinder (hereinafter simply referred to as a storage cylinder) and a coin payout direction. As shown in the drawing, in this embodiment, seven storage cylinders P are provided. P1 is for 10 yen, P2 is for 50 yen, P3 is for 100 yen, P4 is for 500 yen, and P5, P6 and P7 are for reserve. Among the storage tubes P, P2, P1, P
The five housing cylinders 3, 3, P5 and P6 are arranged in the front row in the casing 20, and the two housing cylinders P4 and P7 are arranged in the rear row in the casing 20 and at a position one step higher than the front row.
This is for disposing the drive unit below the storage cylinders of P4 and P7. In the space between the storage cylinders P4 and P7, a reading unit for coins and the like, a change calculation unit, and the like are arranged (not shown).

In FIGS. 1 and 2, reference numeral 22 denotes a wiper device for the front row of storage cylinders P, and reference numeral 24 denotes a wiper apparatus for the rear row of storage cylinders P. The structure of both wiper devices is almost the same as the conventional one, 25 is a wiper, 26 is a main wiper, 27
Is a wiper pin. One wiper 25 is provided for each storage cylinder P, and the main wiper 26 drives the wipers 25 of the storage cylinders P in the front row. Main wiper 26
The crank plate 2 is driven by a wiper driving unit 28 described later.
The reciprocating drive is performed right and left in FIG. The wiper 25 is integrated with the main wiper 26 by the wiper pin 27 being urged by the spring 31 and falling into the hole of the main wiper 26, and the storage tube P is reciprocated by the main wiper 26.
And pulls out one coin 32 in the storage cylinder P. The wiper pin 27 is connected to a mode setting unit 34 described later.
As a result, the trigger pin 35 rises and is pushed up against the urging force of the spring 31, whereby the wiper 25
Is disengaged from the main wiper 26, and the wiper 25 is stopped even when the main wiper 26 reciprocates.
The wiper device 24 of the storage cylinder P in the upper rear row is similarly configured, and the drive shafts 35, 3
The main wipers 39, 40 are driven by rotating the crank plates 37, 38 fixed to the upper end of 6,
The wipers 25 move left and right in FIG.
Pull out each coin from P7. Main wiper 3
The engagement between the wipers 9 and 40 and the wipers 25 and 25
7, 27, but usually the trigger pin 41,
42 is pushed up by the springs 43 and 44, and the wiper pins 27 and 27 are pushed up by this, thereby disengaging the two. The engagement between the two is performed by the operation pins 45 and 46 by the mode setting unit 34.
Is pushed up, whereby the levers 47, 48 rotatably provided in the casing push down the trigger pins 41, 42 against the springs 43, 44, thereby the wiper pins 27, 27 and the main wipers 39, 40.
And the two are engaged.

FIGS. 4 and 5 show the wiper drive unit 28. FIG.
Reference numeral 50 denotes a forward / reverse motor, which is attached to the upper surface of the gear box of the wiper drive unit 28. When the forward / reverse motor 50 rotates in one direction, the drive shafts 35 and 36 of the crank plates 29 and 37 and the crank plates 30 and 38 are driven to rotate in the same direction via a group of gears. G1 to G10 are the gear groups. When the forward / reverse motor 50 rotates in the reverse direction, the forward / reverse motor 50 rotationally drives a transmission shaft 51 that transmits a driving force to the mode setting unit 34. 52 is the transmission to the drive shafts 35 and 36 and the transmission shaft 51
This is a clutch unit that switches between transmission and transmission. The clutch unit 52 is provided rotatably about a shaft 53, and includes a swing arm 54 having a planetary gear G16 at the end. When the swing arm 54 swings, the planetary gear G16
A gear G7 in a gear group for driving the drive shafts 35 and 36,
The gear selectively meshes with the gear G17 on the transmission shaft 51. A disc spring (not shown) is interposed between the planet gear G16 and the swing arm 54, and the planet gear G16 is
4 with a predetermined load torque. Gear G1 provided on the rotation shaft of forward / reverse motor 50
1 through the gears G12 to G14.
The rotational force is transmitted to the sun gear G15 provided at the rotation center of No. 4. The forward / reverse motor 50 is rotated in a predetermined direction, and the gear G1
When the sun gear G15 is rotated in a predetermined direction via the gears G1 to G14, the swing arm 54 is rotated in the same direction, and the planetary gear G16 is rotated in the gear G7 or the gear G17 in the rotation direction.
It meshes with.

FIGS. 6 and 7 show the mode setting section 34. FIG. The mode setting section 34 includes a trigger pin 33 for controlling the wiper pin 27 that engages the wiper 25 with the main wipers 26, 39, 40, and cam gears K1 to D5 for driving the operating pins 45, 46 in the vertical direction. K7 is provided in the gear box 56. The cam gears K1 to K5 are set to rotate at the same angle in the same direction via the intermediate gear. The rotation is transmitted from the gear G20 provided at the lower end of the transmission shaft 51 to which the rotation of the forward / reverse motor 50 of the wiper drive unit 28 is transmitted to the cam gear K7 via the gears G21 and G22. On the upper surfaces of the cam gears K1 to K5, surface cams are formed in the circumferential direction. When the cam gears K1 to K5 rotate and push up the trigger pins 33 by the surface cams, the wiper pins 27 are pushed up as described above, and the front row of wipers The engagement between the main wiper 25 and the main wiper 26 is released. By making the position of the surface cam different for each of the cam gears K1 to K5, the engagement between the wiper 25 and the main wiper 26 corresponding to each storage tube P can be selectively set. That is, a coin payout mode can be set. On the upper surfaces of the cam gears K6 and K7, surface cams opposite to the above are formed, and when the surface cams push up the operating pins 45, 46, the levers 47, 48 are rotated as described above, and the trigger pins 41, 42 Is pressed down against the biasing force of the springs 43 and 44, whereby the wiper pins 27 are lowered and the rear row of wipers 25 and the main wiper 26 are engaged. The operating pin 4
5 is pushed up via the lever 57 due to the arrangement of the storage tube P7. 58 is a gear G23,
An encoder 59 rotated via G24 is a photo sensor which detects the rotation angles of the cam gears K1 to K7 and controls the trigger pins and the like to move up and down at a predetermined position. Since the vending machine and the like are arranged on the road and the like and dust easily enters, the gear box 56 is formed as an independent module sealed with a cover 60 so that dust and the like do not enter. It is detachably provided at a predetermined position below the casing 20. The trigger pin 33 and the operating pins 45 and 46 can be inserted into the gear box 56 through small holes provided in the cover 60. Further, the transmission shaft 51 transmits the driving force from the upper wiper driving unit 28 to the lower mode setting unit 34, so as to prevent shaft runout and the like, and to make the gear box 56 an independent module, FIG. For clarity, it is provided so as to be engageable with the rotation shaft of the gear G20 provided in the gear box 56 via a coupler 62 having a spline groove.

In FIG. 1, reference numeral 64 denotes a coin detecting unit.
The presence or absence of coins in the storage tubes P4 and P7 is detected. 65, 6
5 is a housing cylinder P by crank gears 66 and 67, respectively.
6, a moving body reciprocated in the P7 direction. Moving object 6
A detection rod 69 urged by a spring 68 is provided in each of the fifth and 65 so as to be immersible. A photo sensor 70 is fixed to the moving body 65. Reference numeral 71 denotes a wing plate fixed to the detection rod. The crank gears 66 and 67 are connected to a gear portion of a crank plate 38 that drives the main wiper 40 via a group of gears, and are driven simultaneously with the crank plate 38 by driving the drive shaft 36. When the drive shaft 36 is rotated, the crank gears 66, 67 are rotated, whereby the moving bodies 65, 65 are driven in the directions of the housing cylinders P4, P7, respectively, and the detection rods 69, 69 are formed in the housing cylinder through holes. From the storage cylinders P4 and P7, and when coins are present in the storage cylinders, the detection rods 69 and 69 hit the coins, and the detection rods 69 and
69 retracts into the moving body 65. Thereby, the wing plate 71
Moves with respect to the photosensor 70, the light is no longer blocked, and the presence of a coin is detected. Although not shown, the coin detection units of the storage cylinders P1 to P5 in the front row are attached to the front of the main wiper 27, and the main wiper 27
Is reciprocated toward the storage cylinder, the presence or absence of coins in the storage cylinder is detected.

The configuration is as described above. Next, the operation will be described. A coin is inserted into a vending machine or the like, and a change is calculated by a calculation unit.
Is determined how many times should be driven. Forward / reverse motor 50
Is driven to rotate in a predetermined direction, the transmission shaft 51 is rotated,
The cam gears K1 to K7 are rotated by a predetermined angle, and for example, a wiper 25 for 10 yen is connected to the main wiper 27. The forward / reverse motor 50 rotates in the reverse direction, and the wiper 25 for 10 yen is driven a predetermined number of times to pay out a required number of 10 yen coins. Next, the wiper 25 for 100 yen or the like is driven, and thus all change is paid out.

[0013]

According to the present invention, coin storage cylinders are arranged in two stages.
As a result, a spare storage cylinder can be provided,
It is possible to prevent this and to arrange the storage cylinder in two stages.
Instead, the wipers of the upper and lower storage cylinders operate with the same drive source
To make the overall configuration compact.
Can be.

[Brief description of the drawings]

FIG. 1 is a front view of a coin dispensing apparatus.

FIG. 2 is a side view of the coin dispensing device.

FIG. 3 is a plan view showing an example of the arrangement of coin storage cylinders.

FIG. 4 is a plan view of a wiper driving unit.

FIG. 5 is a partial front view of the wiper driving unit.

FIG. 6 is a plan view of a payout mode setting unit.

FIG. 7 is a partial front view of a payout mode setting unit.

FIG. 8 is a side view of a conventional coin dispensing apparatus.

[Explanation of symbols]

 Reference Signs List 20 casing 22 wiper device 24 wiper device 25 wiper 26 main wiper 27 wiper pin 28 wiper drive unit 29, 30 crank plate 33 trigger pin 34 mode setting unit 35, 36 drive shaft 37, 38 crank plate 39, 40 main wiper 45, 46 Operating pin 50 Forward / reverse motor 54 Swing arm P1-P7 Housing cylinder K1-K7 Cam gear G1-G24 Gear

Claims (3)

(57) [Claims] 1. A you accommodating coins for dispensing, upper and lower
A plurality of coin holding cylinder provided in two rows, disposed retractably in the radial direction of the lower coin accommodating cylinder lower and
The main wiper and, upper provided retractably in the radial direction of the upper coin accommodating barrel
A main wiper and a wiper provided at the lower part of each coin storage cylinder so as to be able to advance and retreat in the radial direction of the coin storage cylinder, and to be able to pull out the coins stored in the coin storage cylinder one by one from the open part at the bottom of the coin storage cylinder. A wiper pin for engaging and disengaging a wiper corresponding to the lower and upper main wipers; and a lower main wiper and an upper main wiper.
The lower crank plate and the lower
And a wiper drive unit having a gear group meshing with the gear portion of the crank plate, and a wiper drive unit provided corresponding to each wiper, having a surface cam on the upper surface and appropriately through an intermediate gear. A dispensing mode setting unit including a plurality of cam gears that mesh with each other, a trigger pin that is moved up and down by the surface cam and that operates on the wiper pin to disengage the engagement of the wiper with the main wiper; Drive unit and payout mode setting unit
One forward / reverse motor, and a clutch unit that connects the driving force of the forward / reverse motor to the wiper drive unit when the forward / reverse motor rotates in one direction and connects to the payout mode setting unit when rotating in the reverse direction. A coin dispensing device characterized by the above-mentioned. 2. The gear group of the dispensing mode setting section is housed in a sealed gear box and is detachably attached to a casing, and the trigger pin can protrude into a gear box from a through hole provided in the gear box. The coin dispensing device according to claim 1, wherein a driving force of a forward / reverse motor is transmitted from the clutch unit via a detachable transmission shaft. 3. A sun gear meshing with a gear provided on a rotation shaft of the forward / reverse motor directly or via an intermediate gear, and a clutch portion provided so as to be swingable about the shaft of the sun gear. Swing arm, and a planetary gear rotatably provided on the swing arm and meshing with the sun gear. The swing arm swings in the same direction when the forward / reverse motor rotates in one direction. Meshing with the gear of the wiper drive unit, and the swing arm swinging in the opposite direction when the forward / reverse motor rotates in the reverse direction, meshing with the gear transmitting the driving force to the payout mode setting unit. The coin dispensing device according to claim 1 or 2, wherein