Full-automatic pill soup vending machine

Abstract

The present application belongs to the technical field of unmanned commercial automatic catering vending equipment, and specifically relates to a full-automatic ball soup vending machine, which comprises a cabinet body and further comprises a door plate arranged on one side of the cabinet body, a small program payment gateway arranged on the door plate and an automatic meal outlet hatch mounted on the door plate. The present application adopts full-process automation to replace manual circulation operation, effectively reduces the labor operation investment of the store interior, relies on the online self-service order payment of the mobile terminal small program, and automatically completes the whole process of bowl taking, quantitative ball feeding, soup making and product conveying and meal serving. The payment gateway and the whole machine are integrated and linked in time sequence, the equipment operation and maintenance are convenient, the small program payment completion signal directly drives the whole machine to start the complete soup making process, the equipment material shortage, water temperature abnormality and other fault signals can be synchronously pushed to the merchant operation and maintenance background, remote monitoring is facilitated, timely replenishment and repair work is carried out, and the full-time 24-hour unmanned continuous operation can be realized, so that the labor service expenditure of the store is reduced from the root.

Description

Technical Field

[0001] This invention belongs to the technical field of unmanned commercial automated catering vending equipment, specifically a fully automated meatball soup vending machine. Background Technology

[0002] When selling meatball soup in offline stores and convenience stores, standardized operations such as manually taking disposable bowls, quantitatively adding meatballs, adding hot water to the soup, and delivering the finished soup to customers are required in a repetitive manner. The entire process is highly repetitive, requiring stores to have dedicated personnel on duty for extended periods, leading to a continuous increase in labor costs. Furthermore, the manual preparation of the base liquid and the amount of water used for adding the soup relies on the operator's subjective experience, resulting in significant differences in the soup base concentration and water volume for each serving, making it difficult to guarantee consistent taste.

[0003] Existing commercial automated meatball soup equipment mostly uses open water tanks for continuous water storage and heating. The water inside the tanks is left to stand still for a long time and is repeatedly heated, resulting in repeatedly boiled water, which poses a food safety hazard in the long run. At the same time, the existing automated equipment on the market can only achieve semi-automatic operation of a single process, and cannot completely replace the entire manual soup making and serving process. It is difficult to achieve 24-hour unmanned continuous operation, and its commercial application has strong limitations. Summary of the Invention

[0004] To address the shortcomings of existing technologies, the technical solution adopted by this invention is: a fully automatic meatball soup vending machine, comprising: a cabinet, and further comprising: The cabinet features a door panel on one side, equipped with a mini-program payment gateway and an automatic food dispensing door. The upper part of the door panel houses a maintenance display area, and the middle section has a food dispensing opening fitted with an automatic opening and closing door. A pellet-feeding buffer mechanism is located within the cabinet's PLC main control unit, and a dual-station bowl-dropping mechanism is located inside the cabinet. This dual-station bowl-dropping mechanism is electrically connected to the PLC main control unit and includes two independent bowl droppers (No. 1 and No. 2). Each dropper's dispensing end is equipped with a bowl shortage photoelectric sensor. The PLC main control unit collects feedback signals from the bowl shortage sensors in real time. When the bowls in the No. 1 dropper's compartment are exhausted, the equipment automatically switches to the No. 2 dropper to complete the dispensing, ensuring continuous food dispensing without requiring the entire machine to stop. The pellet feeding and buffering mechanism includes a feeding bin, which is installed above the interior of the cabinet. A turntable is located inside the feeding bin, and the surface of the turntable has pellet dropping holes. A motor is installed at the bottom of the feeding bin, and a pellet feeding pipe is installed outside the feeding bin. The bottom of the pellet feeding pipe is equipped with a buffer receiving component, an arc-shaped buffer plate, and an elastic buffer sheet. The buffer receiving component consists of two sets of rotatable arc-shaped buffer plates and elastic buffer sheets. When the pellets fall along the pellet feeding pipe, the arc-shaped buffer plate retracts inward to form a receiving groove to pre-receive the pellets, and then slowly rotates outward to open, so that the pellets fall into the packaging bowl at a low position and fall smoothly.

[0005] Furthermore, it also includes: A partition is installed inside the cabinet near the middle, dividing the cabinet interior into upper and lower spaces. A belt conveyor mechanism, which is installed above the partition; The PLC main control unit is installed inside the cabinet on one side near the dual-station bowl-dropping mechanism. The PLC main control unit has a built-in fault interlock self-test program. When any of the following fault signals are detected, such as missing bowls, depleted bagged water, insufficient concentrated base liquid, or water temperature of the instant heating module below 95°C, the entire machine will interlock and stop all soup-making processes, and push a replenishment or maintenance prompt signal to the merchant's operation and maintenance backend through the mini-program payment gateway.

[0006] Furthermore, it also includes: The bagged water tank is located below the partition and is placed inside the cabinet. A concentrated soup base container, wherein the concentrated soup base container is located on one side of the bagged water tank; A conveying pipe is disposed above the concentrated soup base container.

[0007] Furthermore, it also includes: A quantitative mixing station is provided, which is located above the dual-station bowl-feeding mechanism, and one end of the conveying pipe passes through the quantitative mixing station. A replenishment bin is installed inside the cabinet and positioned above the pellet feeding buffer mechanism. The cabinet is equipped with casters at the bottom.

[0008] Furthermore, the belt conveyor mechanism includes: A conveyor belt, which is mounted above the partition; A holding platform is provided on the side of the conveyor belt near the door panel; The workstation positioning photoelectric sensor is symmetrically arranged on both sides of the conveyor belt; A food dispensing position photoelectric sensor is installed on the side of the conveyor belt near the serving table.

[0009] Furthermore, the dual-station bowl-dropping mechanism includes: The bracket is installed inside the cabinet. The base plate is positioned above the bracket; Guide shafts are evenly arranged above the base plate; A clamping plate, which is mounted above the guide shaft.

[0010] Furthermore, the dual-station bowl-dropping mechanism also includes: A driver, which is mounted on one side of the card plate; The retaining teeth are sleeved on the outside of the guide shaft and are located below the retaining plate. A chain, which is sleeved on the outside of the guide shaft and engages with locking teeth; Limiting rods are evenly arranged above the card plate, and the upper part of the limiting rods is connected to the interior of the cabinet.

[0011] The beneficial effects of this invention are as follows: 1. This invention uses full-process automation to replace manual cyclical operations. Users complete specification selection and order payment through a mobile app. After receiving the payment completion signal, the app payment gateway transmits a standardized soup-making workflow start signal to the PLC main control unit. The whole machine automatically starts the entire soup-making process without the need for manual payment collection or manual start / stop of the equipment.

[0012] 2. This invention features a bagged water tank that uses independently sealed bagged drinking water as its source. Water is extracted by piercing the sealed layer of the packaging bag with a water needle, ensuring that the water does not come into contact with outside air throughout the process. The water is then transported to an instant heating module for instant heating, providing a stable output of boiling water at ≥95℃. Hot water is available immediately, eliminating the need for long-term heat storage and repeated heating, thus preventing repeatedly boiled water. After heating, the hot water pipeline is connected in series with a vortex flow meter and a water delivery solenoid valve. The PLC uses the real-time flow feedback signal from the flow meter to control the on / off state of the solenoid valve in a closed loop, precisely controlling the water volume for each serving and ensuring consistent water usage for every batch of finished soup.

[0013] 3. This invention features a dual-station bowl-dispensing mechanism. Each bowl dispenser is equipped with a bowl shortage photoelectric sensor at its discharge end. The sensor sends a real-time signal to the PLC main control unit indicating the amount of bowls in the bin. When the first bowl dispenser runs out of packaging bowls, the corresponding bowl shortage photoelectric sensor transmits an empty bin signal to the PLC, and the equipment automatically switches to the second bowl dispenser to dispense bowls. The entire machine can operate without interrupting sales. Maintenance personnel can open the cabinet during off-peak hours to replenish packaging bowls to the first bowl dispenser, ensuring continuous meal service.

[0014] 4. This invention incorporates a pellet feeding buffer mechanism. The bottom of the pellet feeding pipe is equipped with a buffer receiving component, an arc-shaped buffer plate, and an elastic buffer sheet. The buffer receiving component consists of two sets of rotatable arc-shaped buffer plates and elastic buffer sheets. When the pellets fall along the pellet feeding pipe, the arc-shaped buffer plate retracts inward to form a receiving groove to pre-receive the pellets. After the pellet feeding process is started, the arc-shaped buffer plate slowly rotates outward to open, allowing the pellets to fall smoothly into the packaging bowl at a low position, reducing the probability of the pellets hitting the bowl and causing damage. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is a schematic diagram of the granular pellet feeding buffer mechanism of the present invention; Figure 4 This is a schematic diagram of the belt conveyor mechanism of the present invention; Figure 5 This is a schematic diagram of the dual-station bowl-dropping mechanism of the present invention.

[0016] In the diagram: 1. Cabinet; 2. Casters; 3. Partition; 4. Granular meatball feeding buffer mechanism; 401. Feeding bin; 402. Turntable; 403. Dropping hole; 404. Motor; 405. Granular feeding pipe; 5. Belt conveyor mechanism; 501. Conveyor belt; 502. Container platform; 503. Station positioning photoelectric sensor; 504. Dispensing photoelectric sensor; 6. PLC main control unit; 7. Dual-station bowl dropping mechanism; 701. Bracket; 702. Base plate; 703. Guide shaft; 704. Pallet; 705. Driver; 706. Chain; 707. Limiting rod; 708. Gear; 8. Bagged water tank; 9. Concentrated soup base tank; 10. Conveying pipe; 11. Door panel; 12. Replenishment bin; 13. Automatic dispensing door; 14. Quantitative mixing station. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0018] Example 1, please refer to Figures 1-5 The present invention provides a technical solution: a fully automatic meatball soup vending machine, which is described as follows.

[0019] Includes: Cabinet 1, and also includes: A door panel 11 is located on one side of cabinet 1. A mini-program payment gateway and an automatic food dispensing door 13 are installed on the door panel 11. An operation and maintenance display area is located on the upper part of the door panel 11. A food dispensing port is opened in the middle of the door panel 11, equipped with an automatic opening and closing food dispensing door. A pellet-type feeding buffer mechanism 4 is located in the PLC main control unit 6 of cabinet 1, and a dual-station bowl-dropping mechanism 7 is located inside cabinet 1. The dual-station bowl-dropping mechanism 7 is electrically connected to the PLC main control unit 6. Two independent bowl droppers, No. 1 and No. 2, are set up. Each bowl dropper's dispensing end is equipped with a bowl shortage photoelectric sensor. The PLC main control unit 6 collects the feedback signal from the bowl shortage sensor in real time. When the bowls in the No. 1 bowl dropper's compartment are exhausted, the equipment automatically switches to the No. 2 bowl dropper to complete the dispensing, without requiring the entire machine to stop, ensuring continuous food dispensing. Also includes: Partition 3 is installed inside the cabinet 1 near the middle, dividing the interior of the cabinet 1 into upper and lower spaces. Belt conveyor mechanism 5 is installed above partition 3; The PLC main control unit 6 is installed inside the cabinet 1 on one side near the dual-station bowl-dropping mechanism 7. The PLC main control unit 6 has a built-in fault interlock self-test program. When any of the following fault signals are detected, such as missing bowls, depleted bagged water, insufficient concentrated base liquid, or water temperature of the instant heating module below 95°C, the entire machine will interlock and stop all soup-making processes, and push a replenishment or maintenance prompt signal to the merchant's operation and maintenance backend through the mini-program payment gateway.

[0020] Also includes: A quantitative adjustment station 14 is set above the dual-station bowl-feeding mechanism 7, and one end of the conveying pipe 10 passes through the quantitative adjustment station 14. Replenishment bin 12 is installed inside cabinet 1 and is positioned above pellet feed buffer mechanism 4. Casters 2 are installed at the bottom of cabinet 1.

[0021] Also includes: The bagged water tank 8 is located below the partition 3 and is placed inside the cabinet 1. The bagged water tank 8 is equipped with a puncture water needle, an instant heating module, a vortex flow meter and a water delivery solenoid valve. Concentrated soup base tank 9 is located on one side of bagged water tank 8, and an adjustable speed peristaltic pump is installed inside it. The conveying pipe 10 is positioned above the concentrated soup base tank 9.

[0022] This invention replaces manual cyclical operations with full-process automation. During use, users complete specification selection and order payment through a mobile app. After receiving the payment completion signal, the app payment gateway transmits a standardized soup-making workflow start signal to the PLC main control unit 6, and the whole machine automatically starts the entire soup-making process without the need for manual payment collection or manual start / stop of the equipment. Subsequently, the dual-station bowl-dropping mechanism 7 drops the bowl onto the belt conveyor mechanism 5, which then moves the packaging bowl to the quantitative mixing station 14 for loading. The granular meatball buffer feeding structure drops a specified number of meatballs into the bowl. The bagged water tank 8 and the concentrated soup base tank 9 fill the bowl with soup and hot water. Finally, the belt conveyor mechanism 5 transports the finished product to the serving port, and the automatic food dispensing door 13 opens, allowing the user to take it out.

[0023] The pellet feeding buffer mechanism 4 is vertically fixed directly above the quantitative mixing station 14. The pellets are conveyed downward along the pellet feeding pipe 405. The buffer receiving component at the lower end of the pipe receives the falling pellets in advance through a rotatable arc-shaped buffer plate. After the buffer plate slowly opens, the pellets fall into the packaging bowl at a low position, achieving stable feeding.

[0024] The belt conveyor mechanism 5 includes: Conveyor belt 501 is installed above partition 3; The container 502 is located on the side of the conveyor belt 501 near the door panel 11; The workstation positioning photoelectric sensor 503 is symmetrically arranged on both sides of the conveyor belt 501. The food dispensing position photoelectric sensor 504 is installed on the side of the conveyor belt 501 near the serving table 502.

[0025] The packaged bowls output by the bowl dropping machine are placed onto the surface of the belt conveyor mechanism 5 along the guide slide. The belt drives the packaged bowls forward. After the station positioning photoelectric sensor 503 detects that the bowl has completely arrived at the quantitative mixing station 14, the belt interlocks and stops. At this station, the shot-feeding, base material liquid injection, and high-temperature boiling water rinsing processes are completed in sequence. After the rinsing process is completed, the belt starts again, driving the finished soup bowls to be transported to the serving area. After the serving photoelectric sensor 504 detects that the soup bowl has arrived at the serving port, the belt interlocks and stops. The PLC controls the automatic serving door 13 to open outward for customers to pick up their meals.

[0026] Example 2, based on Example 1, the pellet feeding buffer mechanism 4 includes a feeding bin 401, which is installed above the inside of the cabinet 1. A turntable 402 is set inside the feeding bin 401, and the surface of the turntable 402 is provided with a pellet dropping hole 403. A motor 404 is provided at the bottom of the feeding bin 401, and a pellet feeding pipe 405 is installed outside the feeding bin 401. The feeding pipe is vertically arranged, and the bottom of the pellet feeding pipe 405 is provided with a buffer receiving component, an arc-shaped buffer plate, and an elastic buffer sheet. The buffer receiving component consists of two sets of rotatable arc-shaped buffer plates and elastic buffer sheets. When the pellets fall along the pellet feeding pipe 405, the arc-shaped buffer plate retracts inward to form a receiving groove to pre-receive the pellets. After the pellet feeding process is started, the arc-shaped buffer plate slowly rotates outward to open, so that the pellets fall into the packaging bowl at a low position and fall smoothly, reducing the probability of the pellets hitting the bowl and causing damage.

[0027] Example 3, based on Example 1, the dual-station bowl-dropping mechanism 7 includes: Bracket 701 is installed inside cabinet 1; Base plate 702 is positioned above bracket 701; Guide shafts 703 are evenly arranged above the base plate 702; The clamping plate 704 is installed above the guide shaft 703.

[0028] The dual-station bowl-dropping mechanism 7 also includes: Driver 705 is mounted on one side of card plate 704; The retaining tooth 708 is sleeved on the outside of the guide shaft 703 and is located below the retaining plate 704. Chain 706 is sleeved on the outside of guide shaft 703 and meshes with tooth 708; Limiting rods 707 are evenly arranged above the card plate 704, and the upper part of the limiting rods 707 is connected to the interior of the cabinet 1.

[0029] In use, the packaged bowls are stacked on the pallet 704. The limit rod 707 supports the packaged bowls to keep them stable. Then, the driver 705 works, causing the chain 706 to drive the toothed 708 to move, which causes the guide shaft 703 to drop the bottommost packaged bowl downwards. The two sets of bowl droppers share a common guide slide at the bottom. Each set of bowl droppers is equipped with a bowl shortage photoelectric sensor at the discharge end. The sensor feeds back the bowl inventory signal in the bin to the PLC main control unit 6 in real time. When the packaged bowls in the first bowl dropper are exhausted, the corresponding bowl shortage photoelectric sensor transmits an empty bin signal to the PLC, and the equipment automatically switches to the second bowl dropper to perform the discharge. The whole machine does not need to stop to interrupt sales. During the off-peak period of the equipment's orders, the maintenance personnel can open the cabinet 1 to replenish the packaged bowls to the first bowl dropper, ensuring that the equipment can provide meals continuously for a long time.

[0030] Example 4, based on Example 1, uses independently sealed bagged drinking water as the water source in the bagged water tank 8. Water is extracted by piercing the sealed layer of the packaging bag with a puncture needle, and the water does not come into contact with the outside air throughout the process. The water is transported to the instant heating module for instant heating and is stably output as boiling water at ≥95℃. The water is hot and ready to use immediately, eliminating the need for long-term heat storage and repeated heating of the water, thus preventing repeatedly boiled water. After heating, the hot water pipeline is connected in series with a vortex flow meter and a water delivery solenoid valve. The PLC controls the opening and closing of the solenoid valve in a closed loop based on the real-time flow feedback signal from the flow meter, accurately controlling the water volume for each serving of soup and ensuring that the water volume for each serving of soup is consistent. The concentrated base liquid is supplied using an adjustable-speed peristaltic pump for volumetric conveying of the concentrated soup base. The feed end of the peristaltic pump is inserted into the bottom of the concentrated soup base tank 9, and the discharge end is aligned with the packaging bowl area above the quantitative mixing station 14. Operators can modify the peristaltic pump speed and single run time through the PLC background program to adjust the output weight of each finished base liquid, adapting to the proportioning requirements of multiple specifications of meatball soup. Relying on the volumetric conveying characteristics of the peristaltic pump, high-precision quantitative output of the base liquid is achieved.

[0031] In Example 5, based on Example 1, the mini-program payment gateway acts only as an external signal relay unit, receiving only the payment completion signal from the mobile mini-program and not directly driving various actuators of the equipment. The payment gateway transmits the standardized soup-making workflow signal unidirectionally to the PLC main control unit 6. The PLC main control unit 6, as the sole control core of the entire machine, uniformly collects feedback signals from all photoelectric position sensors, liquid level, and temperature detection elements, and outputs control signals to drive all power and fluid actuators, including the bowl dropper, peristaltic pump, instant heating module, conveyor belt 501, and automatic food dispensing door 13. Simultaneously, the PLC has built-in fault judgment logic; upon fault triggering, it sends an abnormal signal back to the mini-program payment gateway and pushes replenishment and maintenance reminders to the merchant's maintenance mini-program.

[0032] Example 6: Based on Examples 1-5, the arc-shaped buffer plate rotation drive structure can be replaced with a micro electric push rod and a small servo motor 404 drive, without changing the core function of low-position buffering of the pellets.

[0033] The bagged sterile water supply system can be equipped with an external municipal water purification branch to achieve automatic switching between bagged water and external purified water sources.

[0034] Multiple independent peristaltic pumps can be added to deliver auxiliary seasoning liquids such as chili oil, vinegar, and minced garlic, which are then dispensed synchronously and quantitatively by the PLC main control unit.

[0035] A horizontal electric push rod can be added inside the food outlet to push the finished soup bowl to the outside of cabinet 1, so that customers do not need to reach into the equipment to get the food.

[0036] The mini-program payment gateway can be replaced with a 4G / 5G wireless communication module to enable remote device operation and maintenance, cloud-based order data statistics, and remote parameter modification.

[0037] The specific workflow is as follows: The user opens the merchant's mobile mini-program, selects the meatball soup product specifications, and completes the online payment; the mini-program payment gateway receives the payment completion signal and sends a standardized soup-making workflow start signal to the PLC main control unit 6.

[0038] After receiving the workflow signal, the PLC main control unit 6 triggers the pre-test program of the whole machine, and simultaneously collects feedback signals from the dual-station bowl dropping mechanism 7 (bowl shortage photoelectric sensor), the bagged water balance detection element, the concentrated soup base tank 9 (liquid level sensor), and the instant heating module temperature sensor. If a fault such as material shortage or water temperature below 95℃ is detected, the whole machine interlocks and stops all processes, and the mini-program pushes the corresponding replenishment or maintenance prompt to the merchant's operation and maintenance backend, and the process terminates. After all material and water temperature parameters meet the standards, the process proceeds to the next process.

[0039] The PLC main control unit 6 detects that there are packaging bowls inside the No. 1 bowl dropper and controls the No. 1 bowl dropper to perform the discharge action. The packaging bowls are smoothly placed on the surface of the conveyor belt 501 along the guide slide. If the No. 1 bowl dropper is empty, the equipment automatically switches to the No. 2 bowl dropper to complete the discharge.

[0040] The belt conveyor mechanism 5 starts, and the conveyor belt 501 drives the packaging bowl forward. After the station positioning photoelectric sensor 503 detects that the bowl has completely arrived at the quantitative adjustment station 14, the belt interlock stops and locks. Then, the granular pellets are buffered and fed: the granular pellet feeding buffer mechanism 4 releases a preset number of granular pellets. The pellets fall along the granular feeding pipe 405 and are first collected by the arc-shaped buffer plate of the buffer receiving component. The arc-shaped buffer plate slowly rotates outward and opens, and the pellets fall smoothly into the packaging bowl from the low position.

[0041] Finally, the concentrated base liquid is quantitatively added: the PLC main control unit 6 starts the adjustable speed peristaltic pump to draw the base liquid inside the concentrated soup base tank 9. After running for the preset weight and corresponding time according to the program, the peristaltic pump stops, completing the addition of the base liquid; then the PLC main control unit 6 opens the water supply solenoid valve, and the instant heating module instantly produces high-temperature boiling water of ≥95℃. The vortex flow meter collects the water flow in the pipeline in real time; after the flow reaches the preset value, the water supply solenoid valve closes, and the soup rinsing process is completed.

[0042] The belt conveyor mechanism 5 restarts, and the conveyor belt 501 carries the finished soup bowls to the serving area. The machine stops and the door opens: the photoelectric sensor 504 detects that the soup bowl has arrived at the serving port, and the conveyor belt 501 immediately stops. The PLC main control unit 6 controls the automatic serving door 13 to open outward. After the customer takes the finished soup bowl, the automatic serving door 13 closes automatically after a delay. All power and fluid actuators of the machine are reset, and the PLC main control unit 6 returns to standby mode, waiting for the next mini-program payment workflow signal.

[0043] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A fully automatic meatball soup vending machine, including: Cabinet (1), characterized in that it further includes: A door panel (11) is set on one side of the cabinet (1), an automatic meal dispensing door (13) is installed on the door panel (11), a pellet ball feeding buffer mechanism (4) is set inside the cabinet (1), and a double-station bowl dropping mechanism (7) is set inside the cabinet (1). The pellet feeding buffer mechanism (4) includes a feeding bin (401), which is installed above the cabinet (1) and a turntable (402) is set inside the feeding bin (401). The surface of the turntable (402) is provided with a pellet dropping hole (403). A motor (404) is provided at the bottom of the feeding bin (401). A pellet feeding pipe (405) is installed outside the feeding bin (401).

2. The fully automatic meatball soup vending machine according to claim 1, characterized in that: Also includes: The partition (3) is set inside the cabinet (1) near the middle, dividing the inside of the cabinet (1) into upper and lower spaces; A belt conveyor mechanism (5) is installed above the partition plate (3); The PLC main control unit (6) is installed inside the cabinet (1) on one side near the dual-station bowl dropping mechanism (7).

3. The fully automatic meatball soup vending machine according to claim 1, characterized in that: Also includes: A bagged water tank (8) is located below the partition (3) and placed inside the cabinet (1); A concentrated soup base container (9) is located on one side of the bagged water tank (8); The conveying pipe (10) is positioned above the concentrated soup base container (9).

4. The fully automatic meatball soup vending machine according to claim 3, characterized in that: Also includes: A quantitative mixing station (14) is set above the dual-station bowl-dropping mechanism (7), and one end of the conveying pipe (10) passes through the quantitative mixing station (14). A replenishment bin (12) is installed inside the cabinet (1) and is positioned above the pellet feeding buffer mechanism (4). Casters (2) are provided at the bottom of the cabinet (1).

5. The fully automatic meatball soup vending machine according to claim 2, characterized in that: The belt conveyor mechanism (5) includes: A conveyor belt (501) is mounted above the partition (3); A holding platform (502) is provided on the side of the conveyor belt (501) near the door panel (11); A workstation positioning photoelectric sensor (503) is symmetrically arranged on both sides of the conveyor belt (501); A food dispensing position photoelectric sensor (504) is installed on the side of the conveyor belt (501) near the serving table (502).

6. The fully automatic meatball soup vending machine according to claim 1, characterized in that: The dual-station bowl-dropping mechanism (7) includes: A bracket (701) is installed inside the cabinet (1); A base plate (702) is disposed above a bracket (701); Guide shafts (703) are evenly arranged above the base plate (702); A clamping plate (704) is mounted above the guide shaft (703).

7. The fully automatic meatball soup vending machine according to claim 6, characterized in that: The dual-station bowl-dropping mechanism (7) also includes: A driver (705) is mounted on one side of a card plate (704); A retaining tooth (708) is sleeved on the outside of the guide shaft (703) and is located below the retaining plate (704). A chain (706) is sleeved on the outside of the guide shaft (703), and the chain (706) engages with the teeth (708); Limiting rods (707) are evenly arranged above the card plate (704), and the upper part of the limiting rods (707) is connected to the interior of the cabinet (1).

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