KR0137614B1 - Elevation device for automatic vending machine - Google Patents

Abstract

The present invention relates to a lifting device of a vending machine, and when the product extraction unit detects the discharge of the product by an optical sensor installed at the product outlet in the vending machine installed at the upper side, the product is lifted up to the extraction unit to facilitate the withdrawal of the product. To this end, the product outlet 32 is installed on the upper side, and the product discharged from the discharge unit 40 is placed on the receiving unit 20 of the rotation mechanism 24 driven by the motor 50 of the rotary drive unit 22. In the vending machine which is stored and raised up to the product extraction section 32 of the upper side, the discharge detection unit 14 is installed on the opposite wall surface of the discharge unit 40 to optically detect the discharge of the product. And a timer 16 for counting time to apply the operating power to the rotary driver 22 only for a predetermined time, and a detection signal from the discharge detector 14 and a count time from the timer 16. Depending on the And a control unit 10 for outputting a control signal for controlling the rotary drive unit 10, wherein the rotation mechanism 24 includes a worm gear 52 fixedly coupled to the motor 50 shaft, and The worm wheel 54 meshed with the worm gear, the drive pulley 56 fixed to the shaft of the worm wheel 54, and installed at a position higher than the product outlet 32 perpendicular to the drive pulley 56. And driven driven pulleys 58 that are rotatably connected to the drive pulleys 56 by belts 60, and the receiving portions 20 are equally spaced on the plurality of belts 60 in the form of inclined top surfaces, respectively. It is fixedly installed.

Description

Lifting device of vending machine

1 is a block diagram showing the lifting device of the vending machine according to the invention,

2 (A) (B) is a view for explaining the dynamic state of the rotation mechanism and the discharge detection unit of the lifting device of the vending machine according to the present invention,

3 is a view showing the operating state of the rotation mechanism of the lifting device of the vending machine according to the present invention,

4 is a flowchart showing the control operation of the control unit in the lifting device of the vending machine according to the present invention.

* Explanation of symbols for main parts of the drawings

10: control unit 12: menu selection unit

14: discharge detection unit 16: timer

18: discharge mechanism 20: housing

22: rotating drive part 24: rotating mechanism

30: main body 32: lead-out

40: discharge part 50: motor

52: worm gear 53: worm wheel

56: driving pulley 58: driven pulley

60: belt

The present invention relates to a lifting device of a vending machine, and more particularly, when the discharge of the product is detected in the vending machine installed on the upper side of the vending machine to raise the product to the position of the product taking out part to facilitate the discharge. It relates to a lifting device.

Currently, vending machines for discharging a corresponding product (ie, goods) are installed in a public place where an unspecified number of people come and go, and as such, a vending machine for discharging a beverage into a cup and a can Vending machines for packaging products that sell packaging products such as beverages, cigarettes and disposable tissue paper are typical.

Among them, the cup vending machine is generally installed with a relatively high ejection position of the cup, so that the user can take out the cup without having to bend the waist or bend the knee much. Due to their size, the product outlets are usually installed on the lower side for the reason that the product loading space should be extended to the lower side of the vending machine as much as possible to design the internal product loading space in order to increase the product loading capacity.

Therefore, when the product withdrawal position is designed at the lower side of the vending machine, there is a difficulty in using the user to bend or kneel the waist to withdraw the product. In particular, it is difficult to pull out a product for the elderly who have a poor waist or elbow joint or a female user who wears a short skirt.

Accordingly, the present invention has been made in view of the above-described circumstances, and the product is automatically discharged to the outlet by detecting the discharge of the product (that is, the product) by the optical sensor installed from the vending machine installed at the upper side to the product outlet. An object of the present invention is to provide a lifting device of a vending machine, which is configured to smoothly discharge phosphorus.

According to a preferred embodiment of the elevating device of the vending machine according to the present invention for achieving the above object, the product withdrawing portion is installed on the upper side and the product discharged from the discharge portion on the receiving portion of the rotating mechanism driven by the motor of the rotary drive portion. A vending machine for storing the product is lifted up to the upper product outlet, the discharge vending unit is installed on the opposite wall surface of the discharge unit, the discharge detection unit for optically detecting the discharge of the product; A control unit for outputting a time signal for applying only a time, and a control signal for outputting a control signal for controlling the rotation driving unit 10 only for a predetermined time according to a detection signal from the discharge detection unit and a time delay from the timer. The rotation mechanism includes a worm gear fixed to the motor shaft, and The worm wheel meshed with the mower gear, the drive pulley fixed to the shaft of the worm wheel, and the driven pulley is installed at a position higher than the product pull-out portion perpendicular to the drive pulley and is driven by the belt and connected to the drive pulley rotationally by a belt. The accommodating part is provided with a lifting device of a vending machine fixedly installed at equal intervals on the plurality of belts in an inclined top surface thereof.

According to the configuration as described above, by the optical sensor is installed in the vending machine installed on the upper side, the optical sensor is installed in the product discharge port, and the rotation mechanism for moving the receiving unit containing the product to the product outlet. By sensing the discharge of the product to raise the product to the outlet by the rotation mechanism, the elevated product can be naturally discharged to the product outlet according to the inclination angle of the upper surface of the housing.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of the lifting device of the vending machine according to the present invention will be described in detail.

1 is a block diagram showing a lifting device of a vending machine according to the present invention. In the figure, reference numeral 12 denotes a menu selection unit comprising a plurality of menu selection buttons for selecting a menu of a product and a plurality of quantity selection buttons for selecting a quantity of a product, and is installed on the front of the main body of a corresponding vending machine. It is done. Here, the quantity selection button is preferably composed of a 10-key, for example, a number key of 0-9, or a plurality of quantity buttons each of which is numbered 2-5, for example.

Reference numeral 14 denotes a discharge detection unit for detecting the discharge of the product, and is installed on both wall surfaces opposite to the discharge port of the discharge unit 40 (see FIG. 2A) as shown in FIG. It consists of a light emitting element 14A and a light receiving element 14B to optically detect the discharge of the light. Reference numeral 18 denotes a discharge mechanism that acts to discharge a product loaded on a product loading section (not shown) when the button of the menu selection section 12 is pressed.

Reference numeral 20 denotes an accommodating part for accommodating the product discharged from the discharge part 40, and 24 denotes the accommodating part 20 from the product extracting part (FIG. 2A to 32). It is a rotation mechanism for moving, and 22 is a rotation driving unit for transmitting the operating power to the rotation mechanism (24). Here, the rotary drive unit 22 includes a motor 50 (see FIG. 2A), and the rotation mechanism 24 is shown in FIG. 2A and FIG. The worm gear 52 fixedly coupled to the shaft of the motor 50, the worm wheel 54 meshed with the worm gear 52, a drive pulley 56 fixed to the shaft of the worm wheel 54, and the drive It consists of a driven pulley (58) installed at a position higher than the product lead portion (32) perpendicular to the pulley (56), and a belt (60) inserted and rotated between the drive and driven pulleys (56, 58). In addition, a plurality of accommodating parts 20 are fixedly installed at equal intervals on the belt 60, and each accommodating part 20 has one side end thereof on the belt 60 in a form in which an upper side thereof is inclined at a constant angle. When the product is fixed and coupled, and thus the product stored in each of the storage units 20 is lifted up to the product taking-out part 32 in a state of being stored on the storage unit 20 by the rotational action of the belt 60. The product is automatically discharged to the submitted product withdrawal part 32 by the inclination angle of the storage part 20.

Further, reference numeral 16 denotes a timer for time-keeping for applying the operating power to the rotary driver 22 only for a predetermined time, and 10 denotes the discharge mechanism 18 according to the selection signal from the menu selection unit 12. Outputting a control signal for controlling the control panel and outputting a control signal for controlling the rotary drive unit 10 according to a detection signal from the discharge detecting unit 14 and a time delay from the timer 16. It is a control unit.

Next, the operation of the lifting device of the vending machine according to the present invention configured as described above will be described in detail with reference to the operation flow chart of FIG.

That is, in step S1, the controller 10 determines whether the menu selection button of the menu selection unit 12 is pressed. When the menu selection button is operated as a result of the determination, the control proceeds to the subsequent step S2. It is determined whether the quantity selection button of the menu selection unit 12 is operated. As a result of the determination in S2, when the quantity selection button is operated, the control proceeds to the next step S3, where the control unit 10 sets the count value C to 0, and then controls the discharge mechanism 18 to control the product. Discharge.

Then, when the discharge detection signal of the product is applied from the discharge detecting portion 14, which consists of the light emitting element 14A and the light receiving element 14B in step S4 (i.e., when the product is discharged, it is discharged from the light emitting element 14A by this product). Since the incident light to the light receiving element 14B is blocked, a low level signal, for example, is input to the controller 10 only during the blocking time of the incident light.] The count value C is increased by 1, and then in step S5, If the count value C is equal to or greater than the quantity set value K by the operation of the quantity selection button and is less than or equal to the quantity set value K, then the control returns to the above-described step S4, while if the quantity is greater than the quantity set value KO. Control proceeds to the next step S6.

In step S6, the controller 10 controls the rotation driving unit 22 so that the motor 50 is driven so that the rotation of the motor 50 causes the worm gear 52, the worm wheel 54, and the driving pulley 56 to rotate. It is transmitted to the belt 60 as a mediator so that the receiving portion 20 on which the product 34 is mounted is raised, and at the same time, the timer 16 is operated. Subsequently, in step S7, the control unit 10 determines that the time value t of the timer 16 is a predetermined first set value [t1; That is, it is determined whether the storage unit 20 is moved by the driving force of the motor 50 to reach the drive time of the motor 50 to accurately reach the product extraction unit 32. When the determination result is reached in the state where the first set value t1 is reached, the control proceeds to the next step S8 to control the rotation driving unit 22 so that the motor 50 is stopped so that the product 34 is loaded. The payment section 20 rises to reach the product extraction section 32 correctly, resets the timer 16, terminates the control, and waits for input from the menu selection section.

On the other hand, when the determination result of step S2 indicates that the quantity selection button is not operated, the control proceeds to step S9 where the control unit 10 controls the discharge mechanism 18 to discharge one product, and the discharge of such product The discharge detection unit 14 is detected and input to the control unit 10. As such, when the discharge detection signal of the product is input to the control unit 10, the control proceeds to the next step S6.

According to the present invention described above, by installing the product takeout part of the vending machine high, by installing the optical sensor at the product outlet, and by installing a rotation mechanism for moving the accommodating part in which the product is stored to the product takeout part, The discharge of the product is sensed and the product is raised to the outlet by the rotation mechanism. This makes it easy to withdraw products of the selected quantity without having to bend or bend the waist.

In addition, since a plurality of storage portions (four in this embodiment) are provided and rotated. Even if the product is drawn out several times one by one, only the rise time of the receiving part is required, so the product withdrawal time is short, and the product withdrawal part is protruded outwards, thereby making it easy to withdraw the product. In addition, there is a convenient advantage to withdraw multiple products at a time.

Claims (1)

The product extraction part 32 is installed on the upper side to store the product discharged from the discharge part 40 in the housing part 20 of the rotation mechanism 24 driven by the motor 50 of the rotation driving part 22. In the vending machine to be discharged by raising up to the product outlet 32 of the upper side, the discharge detection unit 14 is installed on the opposite wall surface of the discharge unit 40 to optically detect the discharge of the product, Timer 16 for time-keeping the application of the operating power to the rotational drive 22 only for a predetermined time, and the detection signal from the discharge detector 14 and the time clocked from the timer 16 And a control unit 10 for outputting a control signal for controlling the rotary drive unit 10, wherein the rotation mechanism 24 includes a worm gear 52 fixedly coupled to the shaft of the motor 50. The worm wheel 54 meshes with the worm gear, and is fixed to the shaft of the worm wheel 54. Driven pulley 56, a driven pulley 58 installed at a position higher than the product extraction part 32 perpendicular to the drive pulley 56 and rotationally connected to the drive pulley 56 by a belt 60. Consists of, the receiving unit 20 is the lifting device of the vending machine, characterized in that the upper surface is inclined at a fixed interval on the plurality of the belt 60 in the form inclined.