CN210832669U - Automatic vending refrigerator - Google Patents

Abstract

The utility model discloses an automatic vending refrigerator, which comprises a main body, a refrigerating unit and a heating microwave oven, wherein a conveying assembly for placing and conveying boxed meals is arranged in the main body; the conveying assemblies respectively convey the first conveying assembly for conveying the boxed lunch along the vertical direction and the second conveying assembly for conveying the boxed lunch along the horizontal direction; the second conveying assembly is arranged at the lower end of the first conveying assembly and receives the lunch box conveyed to the second conveying assembly by the first conveying assembly; the interior of the heating microwave oven is formed into a heating cavity, and the output end of the second conveying assembly is close to the meal end cover of the heating microwave oven and conveys the boxed meal into the heating cavity. The utility model discloses a refrigerator has integrateed refrigerating unit and heating microwave oven in it, when the box lunch was deposited, carries out the low temperature through the refrigerator group to the box lunch in the main part and keeps fresh, ensures that the box lunch can the shelf life longer, when needing edible, utilizes the heating microwave oven of lower part to heat corresponding box lunch, ensures that the box lunch satisfies edible temperature requirement when edible.

Description

Automatic vending refrigerator

Technical Field

The utility model relates to a food and beverage apparatus technical field specifically is an automatic sell refrigerator.

Background

The clothes and the people always pay more attention to the clothes and the people, and the food is also an indispensable thing for life and entertainment of the people. With the development of science and technology, people have more and more chances of going out and playing, boxed meal is the most economical and practical food, and when people go out, a crew can push a trolley containing boxed meal to be purchased by a user on a train; in markets, parks and other places, there are also places where lunch boxes are sold intensively, and many sales points in office areas sell lunch boxes. However, it is not easy to find through practical examination that the lunch box sold at the present stage is too traditional, which cannot meet the needs of people in fast paced life, and in some cases, the lunch box cannot keep warm, so that the lunch box purchased by a user is in a cold state, which directly affects the appetite of the user and directly threatens the health of people.

Vending machine is the product of science and technology development, it has realized that nobody sells, and provide cold insulation or heat retaining environment according to actual requirement, in order to satisfy different crowds 'use, vending machine at present stage mostly is the equipment of buying medical supplies or beverage, still can not sell box lunch automatically, consequently, to this technical problem, technical personnel in the art need urgently to develop a vending machine that can carry out cold insulation and heating to box lunch, make it can in time and conveniently provide the box lunch that is fit for eating for the user, in order to improve user's experience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel structure, realization box lunch insurance and heating, simple operation's vending refrigerator.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model discloses an automatic sell refrigerator, include:

the lunch box comprises a main body, a box body and a box body, wherein the upper part of the main body is hollow, and the hollow structure forms an accommodating cavity of the lunch box;

the refrigerating unit is integrated at the lower part of the main body and communicated with the accommodating cavity so as to ensure the temperature reduction of the lunch box arranged in the accommodating cavity;

a heating microwave oven integrated at a lower portion of the main body;

the main body is internally provided with a conveying assembly for placing and conveying boxed meal;

the conveying assemblies respectively convey the boxed meal along the vertical direction and convey the second conveying assembly of the boxed meal along the horizontal direction;

the second conveying assembly is arranged at the lower end of the first conveying assembly and receives the lunch box conveyed to the second conveying assembly by the first conveying assembly;

the interior of the heating microwave oven is formed into a heating cavity, and the heating microwave oven is provided with a meal end cover which is opened towards the interior of the main body and a meal end cover which is opened towards the outer side of the main body;

the output end of the second conveying assembly is close to a meal end cover of the heating microwave oven and conveys boxed meals into the heating cavity.

Further, the first transmission assembly comprises an upper transmission shaft fixed at the upper end of the main body and extending along the horizontal direction, and a lower transmission shaft fixed at the lower end of the main body and extending along the horizontal direction;

a transmission chain is connected between the upper transmission shaft and the lower transmission shaft in a transmission way;

the end part of the upper transmission shaft and/or the lower transmission shaft is/are provided with a driving motor, and the driving motor drives the upper transmission shaft and/or the lower transmission shaft to rotate so as to drive the transmission chain to move along the vertical direction;

the driving motor is a stepping motor;

a plurality of groups of boxed meal placing frames are arranged on one side of the transmission chain close to the second conveying assembly at intervals along the vertical direction of the transmission chain, and boxed meals are placed on the boxed meal placing frames;

the first conveying assembly is driven by the driving motor to sequentially convey boxed lunch placed on the boxed lunch placing rack to the second conveying assembly.

Further, the second conveying assembly is a conveying belt horizontally arranged at the lower part of the main body;

each group of lunch box placement frames are provided with two placement plates which are arranged in a mutually separated mode, and two ends of each lunch box are supported by the placement plates;

the width of the conveyor belt is not more than the gap between the two object placing plates;

when the driving motor drives the conveying assembly to move, the box lunch article placing shelf moves downwards, the article placing plate passes along the side surface of the conveying belt, and box lunch placed on the box lunch article placing shelf is conveyed to the conveying belt;

the conveyor belt is driven by a motor;

the conveyer belt conveys the boxed lunch arranged on the conveyer belt to the heating microwave oven along the horizontal direction for heating.

Furthermore, the heating microwave oven comprises a microwave oven box body, one side of the microwave oven box body, which is close to the second conveying assembly, is provided with a meal end cover capable of being opened in an upward overturning manner, and one side of the microwave oven box body, which is far away from the second conveying assembly, is provided with a meal outlet end cover capable of being opened in an upward overturning manner;

a microwave heating component is embedded in the microwave oven box body;

an electric supporting rod is arranged on one side, close to the dining end cover, in the microwave oven box body, a cylinder body of the electric supporting rod is hinged with the microwave oven box body, and a cylinder rod of the electric supporting rod is hinged with the dining end cover;

the cylinder rod of the electric supporting rod extends out to drive the dining end cover to turn over and open, and the cylinder rod of the electric supporting rod contracts to drive the dining end cover to turn over and close.

Furthermore, the refrigerator is integrated with a controller, a door is opened and closed on the front side of the main body, and a display screen electrically connected with the controller is embedded in the door;

the controller controls the driving motor and the conveyor belt to work;

the controller is electrically connected with the heating microwave oven to control the heating microwave oven to work.

Furthermore, a first sensor is arranged at the intersection of the first conveying assembly and the second conveying assembly, and a second sensor is arranged in the microwave oven box body;

the first sensor is electrically connected with the controller and used for detecting the state that the first conveying assembly conveys the boxed meal to the second conveying assembly and sending a boxed meal position signal to the controller;

the second sensor is electrically connected with the controller and used for detecting the state that the second conveying assembly conveys the boxed meal to the heating microwave oven and sending a boxed meal position signal to the controller.

In the technical scheme, the utility model provides a pair of automatic sell refrigerator has following beneficial effect:

1. the refrigerator of the utility model integrates the refrigerating unit and the heating microwave oven, when the box lunch is stored, the box lunch in the main body is preserved at low temperature through the refrigerating unit, so as to ensure that the storage time of the box lunch is longer, when the box lunch needs to be eaten, the heating microwave oven at the lower part is utilized to heat the corresponding box lunch, and the box lunch meets the edible temperature requirement when the box lunch is eaten;

2. the utility model discloses a refrigerator has designed first conveying subassembly and second conveying subassembly, and both cooperations can be smoothly carry the box lunch to the heating microwave oven in will formulating to it is edible after the follow-up heating, and conveying structure is simple, but transmits effectually.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural view of an automatic vending refrigerator disclosed in an embodiment of the present invention;

fig. 2 is a first front view of the vending refrigerator according to the embodiment of the present invention;

fig. 3 is a second front view of the vending refrigerator according to the embodiment of the present invention;

fig. 4 is a side view of the vending refrigerator according to the embodiment of the present invention;

fig. 5 is a first schematic structural view of a heating microwave oven of the vending refrigerator according to the embodiment of the present invention;

fig. 6 is a second schematic structural view of a heating microwave oven of the vending refrigerator according to the embodiment of the present invention;

fig. 7 is a third schematic structural view of a heating microwave oven of the vending refrigerator according to the embodiment of the present invention;

fig. 8 is an electrical schematic diagram of a vending refrigerator according to an embodiment of the present invention;

fig. 9 is a second electrical schematic diagram of the vending refrigerator according to the embodiment of the present invention;

fig. 10 is a control schematic block diagram of a controller of the vending refrigerator according to an embodiment of the present invention;

fig. 11 is a control schematic block diagram of a refrigeration unit of the vending refrigerator according to an embodiment of the present invention;

fig. 12 is a flowchart illustrating a control process of the vending refrigerator according to an embodiment of the present invention.

Description of reference numerals:

1. a main body; 2. a refrigeration unit; 3. heating a microwave oven; 5. a second transfer assembly; 6. a boxed meal;

101. a door; 102. a display screen;

301. a microwave oven box body; 302. a meal end cover; 303. a meal delivery end cover; 304. an electric strut; 305. an inward conveying belt; 306. a second sensor;

401. a drive motor; 402. an upper transmission shaft; 403. a drive chain; 404. a storage plate; 405. a lower transmission shaft;

501. a first sensor.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As described with reference to fig. 1-12;

the vending refrigerator of this embodiment includes:

the main body 1, the main body 1 is a box structure, the upper part of the main body 1 is hollow, and the hollow structure forms the containing cavity of the lunch box 6;

the refrigerating unit 2, the refrigerating unit 2 is integrated in the inferior part of the body 1, the refrigerating unit 2 communicates with holding the cavity in order to lower the temperature and insurance to the box lunch 6 placed in holding the cavity;

a heating microwave oven 3, the heating microwave oven 3 being integrated in the lower part of the main body 1;

the main body 1 is internally provided with a conveying component for placing and conveying the box lunch 6;

a first conveying assembly for conveying the box lunch 6 along the vertical direction and a second conveying assembly 5 for conveying the box lunch 6 along the horizontal direction respectively;

the second conveying assembly 5 is arranged at the lower end of the first conveying assembly and receives the box lunch 6 conveyed to the second conveying assembly;

the inside of the heating microwave oven 3 is formed as a heating chamber, and the heating microwave oven 3 has a meal end cap 302 opened toward the inside of the main body 1, and a meal end cap 302 opened toward the outside of the main body 1;

the output end of the second conveyor assembly 5 is adjacent to the meal end cap 302 of the heating microwave oven 3 and transports the box meal 6 into the heating chamber.

Specifically, the embodiment discloses an automatic vending refrigerator applied to any place, which is different from other similar vending machines and mainly adopts the technology that the vending refrigerator is mainly used for vending box lunch 6, because of the particularity of the box lunch 6, the box lunch 6 needs to be kept fresh at low temperature when not eaten, therefore, a refrigerating unit 2 is integrated at the lower part of a main body 1, the refrigerating unit 2 is similar to the structure in the refrigerator in the prior art and is communicated with the main body 1 to provide low-temperature gas, and the temperature in an accommodating cavity of the main body 1 is reduced in a heat exchange mode, so that the purpose of low-temperature preservation is achieved. In addition, since the lunch box 6 needs to be heated when being eaten, a heating microwave oven 3 capable of heating the lunch box 6 is integrated at the lower part of the main body 1, and a conveying component capable of conveying the lunch box 6 into the heating microwave oven 3 is also provided, wherein the conveying component is designed into at least two groups in principle, namely, the types of dishes in the lunch box 6 conveyed by each group of conveying component are different, and the user selects dishes by himself and controls the corresponding conveying component to move. Each set of conveying assemblies has a first conveying assembly and a second conveying assembly 5, wherein the first conveying assembly 5 not only has the function of conveying the lunch box 6, but also provides a placing and storing space for the lunch box 6 when the lunch box is not sold, when the lunch box needs to be conveyed, the first conveying assembly conveys the lunch box 6 to the second conveying assembly 5, then the second conveying assembly 5 conveys the received lunch box 6 to the heating microwave oven 3 for heating, and finally a user takes the lunch box away from the heating microwave oven 3. The whole device combines the automatic vending technology with the refrigerator in the prior art, and integrates the heating microwave oven 3 capable of heating the boxed meal 6 at any time, so that the device has good timeliness and meets the requirements of users on food preservation and eating.

Preferably, the first transmission assembly in this embodiment includes an upper transmission shaft 402 fixed to the upper end of the main body 1 and extending in the horizontal direction, and a lower transmission shaft 405 fixed to the lower end of the main body 1 and extending in the horizontal direction;

a transmission chain 403 is connected between the upper transmission shaft 402 and the lower transmission shaft 405 in a transmission way;

a driving motor 401 is mounted at the end of the upper transmission shaft 402 and/or the lower transmission shaft 405, and the driving motor 401 drives the upper transmission shaft 402 and/or the lower transmission shaft 405 to rotate so as to drive the transmission chain 403 to perform transmission motion along the vertical direction;

the driving motor 401 is a stepping motor;

a plurality of groups of lunch box placing frames are arranged at intervals along the vertical direction of one side of the transmission chain 403 close to the second conveying assembly 5, and lunch boxes 6 are placed on the lunch box placing frames;

the first transfer unit is driven by a driving motor 401 to sequentially transfer the lunch boxes 6 placed on the lunch box supporter to the second transfer unit 5.

Wherein, the second conveying component 5 is a conveyor belt horizontally arranged at the lower part of the main body 1;

each group of lunch box shelf is provided with two shelf boards 404 which are arranged separately, and two ends of each lunch box 6 are supported by the shelf boards 404;

the width of the conveyor belt is not more than the gap between the two object placing plates 404;

when the driving motor 401 drives the conveying assembly to move, the box lunch shelf moves downwards, the shelf board 404 passes along the side surface of the conveyor belt, and the box lunch 6 placed on the box lunch shelf is conveyed to the conveyor belt;

the conveyor belt is driven by a motor;

the conveyor belt conveys the lunch box 6 placed thereon in the horizontal direction into the heating microwave oven 3 for heating.

The structure and the working principle of the first conveying assembly and the second conveying assembly 5 are described in detail, firstly, the first conveying assembly is used for storing the box lunch 6, and the second conveying assembly is used for conveying the box lunch 6 to the second conveying assembly 5 in one time along the vertical direction; in addition, the front side of the transmission chain 403 is provided with two separate placing plates 404, the two placing plates 404 form a box lunch placing frame of the box lunch 6, the box lunch 6 is placed on the corresponding box lunch placing frame in advance, the placing plates 404 correspondingly support two ends of the box lunch 6, and meanwhile, the middle position of the box lunch 6 is exposed and outside, so that the subsequent second conveying assembly 5 can conveniently receive the box lunch 6. Under the drive of the driving motor 401, the first conveying assembly continuously moves to convey the box lunch 6 to the second conveying assembly 5, at this time, the first conveying assembly stops working, the second conveying assembly 5 starts conveying, the second conveying assembly 5 takes a simple conveyor belt as a conveying part, the width of the second conveying assembly 5 is not larger than the distance between two object placing plates, on one hand, the object placing plates 404 can be ensured to smoothly pass through the two sides of the conveyor belt, and the second conveying assembly 5 can be ensured to smoothly receive the box lunch, so that the box lunch can be continuously conveyed in the horizontal direction. The second conveyor assembly 5 is also operated by motor drive, which transports the boxed meal into the heating microwave oven 3 for subsequent heating and consumption.

Preferably, the heating microwave oven 3 in this embodiment includes a microwave oven box 301, a meal end cover 302 capable of being opened by flipping upward is provided on one side of the microwave oven box 301 close to the second conveying assembly 5, and a meal end cover 303 capable of being opened by flipping upward is provided on one side of the microwave oven box 301 away from the second conveying assembly 5;

a microwave heating component is embedded in the microwave oven box body 301;

an electric supporting rod 304 is arranged on one side, close to the dining end cover 302, in the microwave oven box body 301, a cylinder body of the electric supporting rod 304 is hinged with the microwave oven box body 301, and a cylinder rod of the electric supporting rod 304 is hinged with the dining end cover 302;

the cylinder rod of the electric strut 304 extends to drive the meal end cap 302 to turn open, and the cylinder rod of the electric strut 304 contracts to drive the meal end cap 302 to turn close.

The present embodiment specifically describes the structure and the working principle of the heating microwave oven 3, and firstly, the box body of the heating microwave oven 3 is improved to have two openings, namely a dining end cover 302 opening and closing towards the inside and a dining end cover 303 opening and closing towards the outside; the dining end cover 302 is driven to open and close by the electric supporting rod 304, the electric supporting rod 304 is hinged with the box body and the dining end cover 302 simultaneously, and the opening and closing of the dining end cover 302 can be realized while the rod body is telescopic. The meal outlet end cover 303 of the heating microwave oven 3 is directly and manually opened by a user, and is formed into an embedded structure with the main body 1, so that the meal outlet end cover is convenient to open and close and is quite attractive. In addition, in order to cooperate with the second conveying assembly 5, an in-box conveying belt 305 close to the second conveying assembly 5 is also arranged in the heating microwave oven 3, which is mainly used for receiving the lunch box 6 when the second conveying assembly 5 outputs the lunch box 6 and conveying the conveying belt in the heating microwave oven 3 for a certain distance, meanwhile, the position is not limited to the structure of two conveying belts close to each other, and a certain height difference can be designed, so that the lunch box 6 can directly fall into the heating microwave oven 3, but the height difference needs to be calculated accurately, and the lunch box 6 is prevented from being scattered due to too much jolt; in addition, the electric opening and closing dining end cover 302 can be used for pushing the box lunch 6 to a certain extent; whichever way, the only design objective is to utilize the second conveying assembly 5 to finally convey the boxed meal 6 into the heating microwave oven 3, and to carry out subsequent heating, and meanwhile, the microwave heating assembly in the heating microwave oven 3 can directly adopt the heating assembly in the prior art, and the mode of microwave heating can rapidly heat the boxed meal 6, and the time for waiting for meal is shortened.

Further, as a more preferable embodiment: the refrigerator is integrated with a controller, a door 101 is opened and closed on the front side of a main body 1, and a display screen 102 electrically connected with the controller is embedded on the door 101; the display screen 102 here not only can display the product category and price of the internal box lunch 6, but also integrates a payment program, and payment is completed by means of code scanning payment or cash payment so as to drive the controller to do subsequent control work.

The controller of the embodiment directly selects a Programmable Logic Controller (PLC), programs in the controller in advance, and controls the driving motor 401 and the conveyor belt to work at the same time; the controller is electrically connected to the heating microwave oven 3 to control the heating microwave oven 3 to operate.

A first sensor 501 is installed at the intersection of the first transmission assembly and the second transmission assembly 5, and a second sensor 306 is installed in the microwave oven box 301;

the first sensor 501 is electrically connected with the controller, and the first sensor 501 is used for detecting the state that the first conveying assembly conveys the box lunch 6 to the second conveying assembly 5 and sending a box lunch 6 position signal to the controller;

the second sensor 306 is electrically connected to the controller, and the second sensor 306 is used for detecting the state that the second conveying assembly 5 conveys the box lunch 6 to the heating microwave oven 3 and sending a box lunch 6 position signal to the controller.

The controller of this embodiment is a control component of all functional mechanisms, and all other functional mechanisms are electrically connected with the controller or wirelessly communicated with the controller, wherein the first sensor 501 and the second sensor 306 are position sensors, which detect the position of the lunch box 6 in real time, so as to send a position signal to the controller when reaching a specified position, and then send a control command through the controller, so as to drive each functional mechanism to work.

The control principle of the controller belongs to the mature technology in the prior art, and is not described herein again.

The control method of the vending refrigerator mainly comprises the following steps:

s101, powering on the refrigerator, and integrating a temperature controller in the main body 1, wherein the temperature controller controls the refrigerating unit 2 to work according to the set temperature;

s102, after the type of boxed meal 6 is selected, scanning a code at the display screen 102 for payment, and sending a signal instruction to the controller after the code is scanned for payment;

s103, the controller sends a driving instruction to the driving motor 401 according to the received signal instruction, and the driving motor 401 rotates to drive the first conveying assembly to work so as to convey boxed lunch 6 to the second conveying assembly 5;

s104, detecting whether the box lunch 6 conveyed by the first conveying assembly is in place by the first sensor 501, sending a position signal of the box lunch 6 to the controller, controlling the driving motor 401 to stop by the controller when the first sensor 501 detects that the box lunch 6 reaches the second conveying assembly 5, and continuing to rotate the driving motor 401 when the first sensor 501 detects that the box lunch 6 does not reach the second conveying assembly 5;

s105, after the second conveying assembly 5 receives the box lunch 6, the controller controls the motor of the second conveying assembly 5 to rotate and convey the box lunch 6 into the heating microwave oven 3, and meanwhile, the controller controls the electric supporting rod 304 to extend out to open the dining end cover 302;

s106, detecting whether a box lunch 6 exists in the heating microwave oven 3 by the second sensor 306, sending a position signal of the box lunch 6 to the controller, controlling the second conveying assembly 5 to stop and controlling the electric supporting rod 304 to contract to close the dining end cover 302 when the second sensor 306 detects that the box lunch 6 exists in the heating microwave oven 3, and continuing to work by the second conveying assembly 5 when the second sensor 306 detects that the box lunch 6 does not exist in the heating microwave oven 3;

s107, the controller sends a heating signal to the microwave heating assembly in the heating microwave oven 3, the heating time is 2min, the controller sends a stop signal to the microwave heating assembly in the heating microwave oven 3 after heating, and an alarm is given;

s108, the user manually opens the meal outlet end cover 302 of the heating microwave oven 3 to take meals.

In the technical scheme, the utility model provides a pair of automatic sell refrigerator has following beneficial effect:

the refrigerator of the utility model integrates the refrigerating unit 2 and the heating microwave oven 3, when the box lunch 6 is stored, the box lunch 6 in the main body 1 is preserved at low temperature through the refrigerating unit 2, so as to ensure that the box lunch 6 can be stored for a longer time, when the box lunch is needed to be eaten, the heating microwave oven 3 at the lower part is utilized to heat the corresponding box lunch 6, and the box lunch 6 can meet the requirement of edible temperature when the box lunch is eaten;

the utility model discloses a refrigerator has designed first conveying subassembly and second conveying subassembly 5, and both cooperations can be smoothly carry to heating microwave oven 3 in formulating box lunch 6 to it is edible after the follow-up heating, and conveying structure is simple, but transmits effectually.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. A vending refrigerator, comprising:

the lunch box comprises a main body (1), wherein the main body (1) is of a box structure, the upper part of the main body (1) is hollow, and the hollow structure forms an accommodating cavity of a lunch box (6);

the refrigerator set (2) is integrated at the lower part of the main body (1), and the refrigerator set (2) is communicated with the accommodating cavity to cool the lunch box (6) in the accommodating cavity;

a heating microwave oven (3), the heating microwave oven (3) being integrated in the lower part of the main body (1);

the main body (1) is internally provided with a conveying component for placing and conveying boxed meal (6);

the conveying assemblies respectively convey the box lunch (6) along the vertical direction and convey the second conveying assembly (5) of the box lunch (6) along the horizontal direction;

the second conveying assembly (5) is arranged at the lower end of the first conveying assembly and receives the box lunch (6) conveyed to the second conveying assembly by the first conveying assembly;

the interior of the heating microwave oven (3) is formed into a heating cavity, and the heating microwave oven (3) is provided with a meal end cover (302) which is opened towards the interior of the main body (1) and a meal end cover (303) which is opened towards the outer side of the main body (1);

the output end of the second transmission assembly (5) is close to a meal end cover (302) of the heating microwave oven (3) and conveys boxed meal (6) into the heating cavity.

2. The vending machine refrigerator according to claim 1, wherein the first transfer assembly includes an upper transfer shaft (402) fixed to an upper end of the main body (1) and extending in a horizontal direction, and a lower transfer shaft (405) fixed to a lower end of the main body (1) and extending in a horizontal direction;

a transmission chain (403) is connected between the upper transmission shaft (402) and the lower transmission shaft (405) in a transmission way;

a driving motor (401) is mounted at the end part of the upper transmission shaft (402) and/or the lower transmission shaft (405), and the driving motor (401) drives the upper transmission shaft (402) and/or the lower transmission shaft (405) to rotate so as to drive the transmission chain (403) to perform transmission motion along the vertical direction;

the driving motor (401) is a stepping motor;

a plurality of groups of boxed meal shelves are arranged on one side of the transmission chain (403) close to the second conveying assembly (5) at intervals along the vertical direction of the transmission chain, and boxed meals (6) are placed on the boxed meal shelves;

the first conveying assembly is driven by the driving motor (401) to sequentially convey the boxed lunch (6) placed on the boxed lunch shelf to the second conveying assembly (5).

3. A vending refrigerator according to claim 2, characterized in that the second conveying assembly (5) is a conveyor belt arranged horizontally in the lower part of the main body (1);

each group of box lunch shelf is provided with two object placing plates (404) which are arranged separately from each other, and two ends of the box lunch (6) are supported by the object placing plates (404);

the width of the conveyor belt is not more than the gap between the two object placing plates (404);

when the driving motor (401) drives the conveying assembly to move, the box lunch article shelf moves downwards, the article placing plate (404) passes along the side face of the conveying belt, and box lunch (6) placed on the box lunch article shelf is conveyed onto the conveying belt;

the conveyor belt is driven by a motor;

the conveyor belt conveys the boxed lunch (6) arranged on the conveyor belt to the heating microwave oven (3) in the horizontal direction for heating.

4. A vending refrigerator according to claim 3, characterized in that the heating microwave oven (3) comprises a microwave oven cabinet (301), the side of the microwave oven cabinet (301) close to the second conveyor assembly (5) having a meal end cap (302) capable of being opened upside-down, the side of the microwave oven cabinet (301) far from the second conveyor assembly (5) having a meal end cap (303) capable of being opened upside-down;

a microwave heating component is embedded in the microwave oven box body (301);

an electric supporting rod (304) is installed on one side, close to the dining end cover (302), in the microwave oven box body (301), a cylinder body of the electric supporting rod (304) is hinged with the microwave oven box body (301), and a cylinder rod of the electric supporting rod (304) is hinged with the dining end cover (302);

the cylinder rod of the electric strut (304) extends to drive the meal end cover (302) to turn open, and the cylinder rod of the electric strut (304) contracts to drive the meal end cover (302) to turn closed.

5. The vending refrigerator according to claim 4, characterized in that it is integrated with a controller, the front side of the main body (1) being opened and closed with a door (101), the door (101) being embedded with a display screen (102) electrically connected with the controller;

the controller controls the driving motor (401) and the conveyor belt to work;

the controller is electrically connected with the heating microwave oven (3) to control the heating microwave oven (3) to work.

6. The vending refrigerator of claim 5, wherein the first conveyor assembly is fitted with a first sensor (501) at the intersection with the second conveyor assembly (5), and a second sensor (306) is fitted within the microwave oven cabinet (301);

the first sensor (501) is electrically connected with the controller, and the first sensor (501) is used for detecting the state that the first conveying assembly conveys the box lunch (6) to the second conveying assembly (5) and sending a box lunch (6) position signal to the controller;

the second sensor (306) is electrically connected with the controller, and the second sensor (306) is used for detecting the state that the second conveying assembly (5) conveys the box lunch (6) to the heating microwave oven (3) and sending a box lunch (6) position signal to the controller.

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