Automated produce handling system

Abstract

The application relates to the technical field of agricultural product processing equipment, in particular to an automatic agricultural product processing system which comprises a rack, a material conveying assembly arranged on the rack, a root processing assembly, an agricultural product cleaning assembly, an airflow type quality sorting assembly and a finished product pushing assembly. The root processing assembly comprises a cutting motor and a cutter. The agricultural product cleaning assembly is used for cleaning the surface of agricultural products. The airflow type quality sorting assembly is used for sorting agricultural products in an airflow mode. The finished product pushing assembly is used for pushing the sorted agricultural products out of a lower conveying belt. A wastewater circulating assembly comprises a wastewater collecting mechanism, a water flow energy storage mechanism and a cutter cleaning mechanism. The automatic agricultural product processing system provided by the application realizes efficient, flexible and energy-saving primary processing of agricultural products through multi-process cooperation and a wastewater energy recycling mechanism.

Description

Technical Field

[0001] This invention relates to the field of agricultural product processing equipment technology, specifically to an automated agricultural product processing system. Background Technology

[0002] Leafy vegetables are an important part of the Chinese diet. After harvest, they must undergo initial processing steps such as root removal, washing, and sorting to ensure product quality and reduce losses during distribution. Industry-standard processing requirements include: precise removal of tough stems and roots, gentle cleaning of surface dirt and impurities, and quality grading based on the integrity and freshness of the leaves. However, the delicate and easily damaged nature of leafy vegetables places extremely high demands on the gentleness and non-damaging nature of the processing.

[0003] Currently, the initial processing of leafy vegetables mainly relies on manual labor or single-process automated equipment. The manual method suffers from low efficiency, unstable quality control, and rising labor costs year after year. Existing automated equipment on the market is mostly large-scale assembly lines or standalone single-process machines. Large-scale assembly lines require significant investment and occupy a large area, making them unsuitable for small and medium-sized growers and community fresh food scenarios. Single-process equipment (such as independent washing or sorting machines) cannot achieve continuous operation of the entire process of root removal, washing, and sorting, still requiring manual transfer between steps, resulting in limited efficiency improvements. More importantly, most existing equipment uses rigid mechanical structures such as brushes and push rods, which easily cause damage and water loss to the leaves, making it difficult to adapt to the non-destructive processing requirements of flexible leafy vegetables. Furthermore, the equipment generates a large amount of washing wastewater during operation, which is usually discharged directly, resulting in water waste. Summary of the Invention

[0004] The purpose of this invention is to provide an automated agricultural product processing system to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An automated agricultural product processing system includes: A frame, on which a material conveying assembly is provided, the material conveying assembly including an upper conveyor belt and a lower conveyor belt; A root processing component is disposed on the upper conveyor belt. The root processing component includes a cutting motor and a cutter. The cutting motor is used to drive the cutter to cut off the roots of agricultural products. Agricultural product cleaning components, which are used to clean the surface of agricultural products; An airflow-type quality sorting assembly is disposed on the lower conveyor belt and is used to sort agricultural products by airflow. A finished product pushing component is used to push sorted agricultural products out of the lower conveyor belt; The wastewater recycling component includes a wastewater collection mechanism, a water flow energy storage mechanism, and a blade cleaning mechanism. The wastewater collection mechanism is located below the agricultural product cleaning component and is used to filter and collect the wastewater after the agricultural product cleaning component has been cleaned. The water flow energy storage mechanism is used to generate and store electrical energy using the kinetic energy of the wastewater. The energy stored in the water flow energy storage mechanism is used to drive the blade cleaning mechanism to operate. The blade cleaning mechanism is used to clean the cutting blade using the wastewater collected by the wastewater collection mechanism.

[0006] Preferably, a material transfer structure is provided between the upper conveyor belt and the lower conveyor belt. The material transfer structure is an inclined guide chute. The upper end of the inclined guide chute receives the end of the upper conveyor belt, and the lower end is aligned with the beginning of the lower conveyor belt, so as to realize the transfer without power by utilizing the gravity of the agricultural products. The upper conveyor belt and the lower conveyor belt are respectively equipped with independent drive motors to realize independent speed adjustment.

[0007] Preferably, the root treatment assembly further includes a pressing mechanism, which includes a mounting frame, a pressing push rod, and an elastic pressing plate. The mounting frame is disposed on the frame, and the pressing push rod is disposed on the mounting frame. The movable end of the pressing push rod is connected to the elastic pressing plate.

[0008] Preferably, the agricultural product cleaning component includes a water tank, a cleaning pump, a spray frame, and spray heads. The cleaning pump and the water tank are connected to each other. Two spray frames are provided, which are respectively located on both sides of the cutter. The spray heads are equally spaced on the spray frames, and the spray heads and the cleaning pump are interconnected.

[0009] Preferably, the airflow quality sorting component includes a high-speed propeller, which is disposed at one end of the lower conveyor belt and is used to sort agricultural products by airflow.

[0010] Preferably, the finished product pushing component includes a position sensor, a linear pusher motor, and a pusher plate. The position sensor is disposed on the lower conveyor belt and is used to detect the position of the agricultural product. The linear pusher motor is used to drive the pusher plate to push the agricultural product away from the lower conveyor belt. A flexible protective layer is provided on one side of the pusher plate.

[0011] Preferably, the wastewater collection mechanism includes a water receiving trough, a guide pipe, a filter screen, and a collection box. The water receiving trough is installed below the frame and has a funnel-shaped structure. An outlet is provided at the bottom of the water receiving trough. The guide pipe is located at the outlet and is used to guide wastewater into the collection box. The filter screen is provided in the collection box.

[0012] Preferably, the water flow energy storage mechanism includes an impeller, a speed-increasing transmission structure, a micro generator, and a battery. The impeller is located at the outlet of the guide pipe. The impeller is connected to the input shaft of the micro generator through the speed-increasing transmission structure. The micro generator is equipped with a rectification and voltage stabilization module, and the rectified electrical energy is stored in the battery.

[0013] Preferably, the speed-increasing transmission structure includes a gear speed increaser, the input end of which is coaxially connected to the impeller, and the output end of which is coaxially connected to the input shaft of the micro generator. The gear speed increaser is used to increase the input speed of the micro generator.

[0014] Preferably, the blade cleaning mechanism includes a cleaning pump and a cleaning nozzle. The cleaning pump is electrically connected to the battery and the collection tank. The cleaning nozzle is disposed on the cutting motor. The cleaning pump is used to spray the filtered wastewater in the collection tank through the cleaning nozzle to clean the cutting blade.

[0015] Compared with the prior art, the beneficial effects of the present invention are: (1) By setting up an upper conveyor belt and a lower conveyor belt, and using an inclined guide chute to realize the automatic transfer of materials, multiple processes such as root removal, cleaning, sorting, and finished product collection are integrated into one, realizing continuous and automated processing of agricultural products, greatly improving processing efficiency and reducing manual intervention.

[0016] (2) The root processing component uses a pressing mechanism to fix the material to ensure precise cutting; the cleaning component uses non-contact water flow cleaning; the sorting component uses airflow sorting, which avoids the damage and crushing caused by traditional rigid mechanical structures to flexible leafy vegetables, effectively ensuring the commodity integrity and quality of agricultural products.

[0017] (3) The wastewater recycling component not only filters and recycles the cleaning wastewater for cleaning the cutting tools, realizing the recycling of water resources; more importantly, through the water flow energy storage mechanism, it converts the falling kinetic energy of the wastewater into electrical energy and stores it to drive the cutting tool cleaning mechanism, reducing the external energy consumption requirements of the system.

[0018] In summary, the automated agricultural product processing system provided by this invention achieves efficient, flexible, and energy-saving primary processing of agricultural products through multi-process collaboration and wastewater energy recovery and utilization mechanisms. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ; Figure 3 This is a schematic diagram showing the location and structure of the frame, water tank, and collection box of the present invention; Figure 4 This is a schematic diagram of the pressing mechanism of the present invention; Figure 5 This is a schematic diagram of the connection structure between the water tank and the spray frame of the present invention; Figure 6 This is a schematic diagram of the connection structure of each component of the agricultural product cleaning assembly of the present invention. Figure 1 ; Figure 7 This is a schematic diagram of the connection structure of each component of the agricultural product cleaning assembly of the present invention. Figure 2 ; Figure 8 This is a schematic diagram showing the position and structure of the lower conveyor belt and high-speed propeller of the present invention; Figure 9 This is a schematic diagram of the connection structure of the linear actuator motor, push plate, and flexible protective layer of the present invention; Figure 10 This is a schematic diagram of the connection structure between the cleaning pump and the cleaning nozzle of the present invention; Figure 11 This is a schematic diagram showing the locations of the water tank, micro generator, and battery in this invention. Figure 12 This is a schematic diagram showing the positions of the micro generator and gearbox in this invention; Figure 13 This is a schematic diagram of the internal structure of the guide tube of the present invention (the guide tube is shown in cross-section). Figure 14 This is a schematic diagram of the connection structure of the impeller, micro generator, and gear speed increaser of the present invention; Figure 15 This is a schematic diagram of the connection structure between the collection box and the filter screen of the present invention.

[0020] In the diagram: 1. Frame, 2. Upper conveyor belt, 3. Lower conveyor belt, 4. Cutting motor, 5. Cutter, 6. Inclined guide chute, 7. Mounting frame, 8. Pressing push rod, 9. Elastic pressing plate, 10. Water tank, 11. Cleaning pump, 12. Spray frame, 13. Spray head, 14. High-speed propeller, 15. Position sensor, 16. Linear push rod motor, 17. Push plate, 18. Flexible protective layer, 19. Water receiving trough, 20. Guide pipe, 21. Filter screen, 22. Collection box, 23. Impeller, 24. Micro generator, 25. Battery, 27. Gear speed increaser, 28. Cleaning pump, 29. Cleaning nozzle. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1-15 The present invention provides a technical solution: An automated agricultural product processing system includes a frame 1, on which a material conveying assembly is mounted. The material conveying assembly includes an upper conveyor belt 2 and a lower conveyor belt 3, both of which are rubber conveyor belts.

[0023] The root processing component is located on the upper conveyor belt 2. The root processing component includes a cutting motor 4 and a cutter 5. The cutting motor 4 is used to drive the cutter 5 to cut off the roots of the agricultural products. The cutting motor 4 is fixedly installed on one side of the frame 1, and its output shaft is connected to the cutter shaft of the cutter 5 through a coupling. The cutter 5 is a disc-shaped rotating blade. When the agricultural products move to the position of the cutter 5 with the upper conveyor belt 2, the cutting motor 4 drives the cutter 5 to rotate at high speed to cut off the roots of the agricultural products.

[0024] Agricultural product cleaning kits are used to clean the surfaces of agricultural products.

[0025] An airflow-type quality sorting component is installed on the lower conveyor belt 3. The airflow-type quality sorting component is used to sort agricultural products by airflow.

[0026] The finished product pushing component is used to push the sorted agricultural products out of the lower conveyor belt 3.

[0027] The wastewater recycling assembly includes a wastewater collection mechanism, a water flow energy storage mechanism, and a blade cleaning mechanism. The wastewater collection mechanism is located below the agricultural product cleaning assembly and is used to filter and collect the wastewater after the agricultural product cleaning assembly has finished cleaning. The water flow energy storage mechanism is used to generate and store electrical energy using the kinetic energy of the wastewater. The energy stored in the water flow energy storage mechanism is used to drive the blade cleaning mechanism. The blade cleaning mechanism is used to clean the cutter 5 using the wastewater collected by the wastewater collection mechanism. During use, the agricultural products are first de-rooted by the root treatment assembly on the upper conveyor belt 2. While being conveyed, they are cleaned by two sets of agricultural product cleaning assemblies. The wastewater generated from the cleaning is treated by the wastewater recycling assembly and then used to drive the blade cleaning mechanism. The de-rooted and cleaned agricultural products are transferred to the lower conveyor belt 3, sorted by the airflow quality sorting assembly, and finally pushed out by the finished product pushing assembly.

[0028] A material transfer structure is provided between the upper conveyor belt 2 and the lower conveyor belt 3. The material transfer structure is an inclined guide chute 6. The upper end of the inclined guide chute 6 receives the end of the upper conveyor belt 2, and the lower end is aligned with the beginning of the lower conveyor belt 3. The agricultural products are transferred without power by their own gravity. The inclination angle of the inclined guide chute 6 is 30°~45°. In this embodiment, the inclination angle of the inclined guide chute 6 is 35° to ensure that the agricultural products slide smoothly without damaging the surface. The upper conveyor belt 2 and the lower conveyor belt 3 are each equipped with an independent drive motor to achieve independent speed adjustment. The two drive motors are independently controlled by a PLC controller. The conveying speed of the upper conveyor belt 2 and the lower conveyor belt 3 can be adjusted according to the processing requirements of different agricultural products (controlling the start and stop of the conveyor belt through the PLC controller is existing technology and will not be described in detail here).

[0029] The root processing assembly also includes a pressing mechanism, which includes a mounting frame 7, a pressing push rod 8, and an elastic pressing plate 9. The mounting frame 7 is mounted on the frame 1, and the pressing push rod 8 is mounted on the mounting frame 7. The moving end of the pressing push rod 8 is connected to the elastic pressing plate 9. The mounting frame 7 is fixedly connected to the frame 1 by bolts. The pressing push rod 8 is an electric push rod, and its cylinder is fixed on the crossbeam of the mounting frame 7. The piston rod end of the pressing push rod 8 is connected to the elastic pressing plate 9. The elastic pressing plate 9 is made of rubber and has anti-slip texture on its lower surface. When the agricultural product is conveyed to the position of the cutter 5, the pressing push rod 8 extends downward to make the elastic pressing plate 9 press the agricultural product tightly, preventing the agricultural product from shifting when the root is cut. The distance between the cutter 5 and the edge of the upper conveyor belt 2 can be flexibly adjusted within the range of 5~20mm by adjusting the length of the connecting piece to adapt to the root cutting length requirements of different types of agricultural products.

[0030] The agricultural product cleaning component includes a water tank 10, a cleaning pump 11, a spray frame 12, and spray heads 13. The cleaning pump 11 and the water tank 10 are connected to each other. Two spray frames 12 are provided, one on each side of the cutter 5. Spray heads 13 are evenly spaced on the spray frames 12 and are connected to the cleaning pump 11. In this embodiment, the water pressure adjustment range of the cleaning pump 11 is 0.02~0.1MPa, and the spray flow rate can be flexibly adjusted according to the degree of dirtiness and delicacy of the agricultural product, achieving non-contact cleaning. The touch-sensitive flexible cleaning system has a water tank 10 fixed to one side of the frame 1, which is filled with cleaning water. The inlet of the cleaning pump 11 is connected to the bottom of the water tank 10 through a hose, and the outlet is connected to two spray racks 12 through a diverter pipe. Each spray rack 12 has multiple spray heads 13 evenly arranged along its length. The spray heads 13 are adjustable angle atomizing nozzles. During operation, the cleaning pump 11 pressurizes the water in the water tank 10 and sprays it out through the spray heads 13 to perform high-pressure rinsing on the surface of agricultural products that have passed through both sides of the cutter 5, removing dirt and impurities.

[0031] The airflow-type quality sorting component includes a high-speed propeller 14, which is located at one end of the lower conveyor belt 3. The high-speed propeller 14 is used to sort agricultural products by airflow. The high-speed propeller 14 is driven by a brushless motor and is installed above the end of the lower conveyor belt 3. Its rotation axis is perpendicular to the conveying direction. The strong airflow generated by the high-speed propeller 14 blows agricultural products of different weights or sizes to different collection areas, realizing non-contact sorting. Different airflow intensities are set according to the quality grade of the agricultural products. Lighter defective products are blown to a farther area, while qualified and heavier products fall closer. In this embodiment, the airflow intensity adjustment range of the high-speed propeller 14 is 0.5~3m / s, which is adapted to the sorting threshold of different types of agricultural products.

[0032] The finished product pushing component includes a position sensor 15, a linear pusher motor 16, and a pusher plate 17. The position sensor 15 is installed on the lower conveyor belt 3 and is used to detect the position of the agricultural products. The linear pusher motor 16 drives the pusher plate 17 to push the agricultural products away from the lower conveyor belt 3. A flexible protective layer 18 is provided on one side of the pusher plate 17. The position sensor 15 is a photoelectric sensor installed on the side of the lower conveyor belt 3. When it detects that the agricultural products have reached the predetermined pushing position, it sends a signal to the main controller. The linear pusher motor 16 is horizontally installed on the other side of the frame 1, and its pusher end is fixedly connected to the pusher plate 17. A flexible protective layer 18 made of rubber is adhered to the pushing surface of the pusher plate 17. The main controller drives the linear pusher motor 16 to extend, and the pusher plate 17 pushes the agricultural products from the side of the lower conveyor belt 3 into the finished product collection box. In this embodiment, the main controller adopts the Fischer ROBO Interface controller and uses ROBOPRO programming software to realize the automated control of the entire system. The controller is connected to the host computer through a USB port to convert the control program into drive signals and realize the precise control of each motor, sensor, and actuator. The program design adopts a modular architecture of "main program + multiple subroutines", including a main control program and six independent subroutines, which correspond to the root processing component, material conveying component, agricultural product cleaning component, airflow quality sorting component, finished product pushing component and wastewater recycling component respectively. Each subroutine can be debugged and modified independently without affecting the overall operation logic of the main program. During system operation, sensors at each workstation collect material position signals in real time. The controller triggers corresponding actuators according to a preset timing sequence, forming a closed-loop control of "perception-decision-execution". System operating parameters (conveyor speeds of the upper conveyor belt 2 and lower conveyor belt 3, cutter speed 5, water pressure of the cleaning pump 11, airflow intensity of the high-speed propeller 14, push rod stroke of the linear push rod motor 16, etc.) can be flexibly adjusted through the program interface to adapt to the processing needs of different types of agricultural products, achieving fully automated continuous operation without human intervention. In this embodiment, the signal response time of the Fischer ROBO Interface controller is ≤0.1s, and the timing coordination error of multiple mechanisms is ≤0.2s, enabling fully automated continuous operation without human intervention, eliminating process bottlenecks and action misalignment issues. Sensors at each workstation can collect material position signals in real time, accurately triggering the start and stop of corresponding mechanisms, achieving energy-saving and precise control.

[0033] The wastewater collection mechanism includes a water receiving tank 19, a guide pipe 20, a filter screen 21, and a collection box 22. The water receiving tank 19 is installed below the frame 1 and has a funnel-shaped structure. The bottom of the water receiving tank 19 has an outlet. The guide pipe 20 is located at the outlet and is used to guide the wastewater into the collection box 22. The collection box 22 is equipped with a filter screen 21. The water receiving tank 19 is located directly below the agricultural product cleaning component and has water-blocking edges around it. The funnel-shaped bottom collects the wastewater after cleaning. The guide pipe 20 is a PVC flexible hose, with one end connected to the outlet of the water receiving tank 19 and the other end extending into the top of the collection box 22. The filter screen 21 is a stainless steel filter screen. In this embodiment, the pore size of the filter screen 21 is 0.5mm~1mm. It is horizontally installed in the middle of the collection box 22 to intercept solid impurities in the wastewater. The filtered clean water enters the lower part of the collection box 22 for temporary storage.

[0034] The water flow energy storage mechanism includes an impeller 23, a speed-increasing transmission structure, a micro generator 24, and a battery 25. The impeller 23 is located at the outlet of the guide pipe 20. The impeller 23 is connected to the input shaft of the micro generator 24 via the speed-increasing transmission structure. The micro generator 24 is equipped with a rectification and voltage stabilization module, and the rectified electrical energy is stored in the battery 25. The outlet of the guide pipe 20 is directly opposite the blades of the impeller 23. When wastewater flows out of the guide pipe 20, it impacts the impeller 23, causing it to rotate. The shaft of the impeller 23 is mounted above the collection box 22 via a bearing seat. The speed-increasing transmission structure drives the impeller 23... The low-speed rotation is converted into high-speed rotation to drive the micro generator 24. The AC power output by the micro generator 24 is converted into stable DC power by a rectifier and voltage regulator module and stored in the battery 25. The battery 25 is a lithium battery pack. The battery 25 and the micro generator 24 are electrically connected by wires. The battery 25 and the cleaning pump 28 are also electrically connected by wires. Connecting the above three components by wires is a common technique used by those skilled in the art. Therefore, the above connecting wires are not shown in the accompanying drawings of the specification.

[0035] The speed-increasing transmission structure includes a gear speed increaser 27. The input end of the gear speed increaser 27 is coaxially connected to the impeller 23, and the output end of the gear speed increaser 27 is coaxially connected to the input shaft of the micro generator 24. The gear speed increaser 27 is used to increase the input speed of the micro generator 24. The gear speed increaser 27 is a sealed housing with one or two speed-increasing gear pairs inside, with a speed-increasing ratio of 3:1 to 10:1. The main shaft of the impeller 23 is directly connected to the low-speed input shaft of the gear speed increaser 27, and the high-speed output shaft is connected to the rotor shaft of the micro generator 24 through a coupling. When the impeller 23 rotates at a lower speed, the gear speed increaser 27 enables the micro generator 24 to obtain a sufficiently high speed to generate effective electrical energy.

[0036] The blade cleaning mechanism includes a cleaning pump 28 and a cleaning nozzle 29. The cleaning pump 28 is electrically connected to the battery 25 and the collection tank 22. The cleaning nozzle 29 is mounted on the cutting motor 4. The cleaning pump 28 is used to spray the filtered wastewater from the collection tank 22 through the cleaning nozzle 29 to clean the cutter 5. The cleaning pump 28 is a miniature DC diaphragm pump. Its inlet extends into the bottom of the collection tank 22 (below the filter screen 21) through a hose, and its outlet is connected to the cleaning nozzle 29 through a pipe. The cleaning nozzle 29 is fixedly mounted on the frame 1, and its nozzle faces the blade of the cutter 5. The battery 25 provides power to the cleaning pump 28. When the system is running, the cleaning pump 28 starts periodically, draws the filtered wastewater from the collection tank 22, and sprays it out from the cleaning nozzle 29 under high pressure to wash away the roots and residues attached to the cutter 5, keeping the cutter 5 clean and sharp. The washed wastewater falls back into the water tank 19, forming a recycling system.

[0037] Working principle: The agricultural products to be processed are placed at the feed end of the upper conveyor belt 2. The upper conveyor belt 2 runs at a constant speed, conveying the agricultural products toward the cutter 5. Before the agricultural products reach the cutter 5, the pressing mechanism is activated. At this time, the pressing push rod 8 on the mounting frame 7 extends downward, driving the elastic pressing plate 9 to press the root of the agricultural products to prevent displacement during the cutting process. At the same time, the cutting motor 4 drives the cutter 5 to rotate at high speed. Since the cutting motor 4, the drive motor of the upper conveyor belt 2 and the pressing push rod 8 are rigidly connected through a gear set, a constant transmission ratio is formed, which realizes the complete synchronization of the conveying speed, pressing action and the rotation speed of the cutter 5. When the agricultural products move with the upper conveyor belt 2 to the cutter 5, the cutter 5 accurately cuts off the root. The root cutting length can be flexibly adjusted by adjusting the distance between the cutter 5 and the edge of the upper conveyor belt 2. After the root is cut off, the agricultural products continue to be conveyed forward with the upper conveyor belt 2.

[0038] Two sets of agricultural product cleaning components are located on both sides of the cutter 5. When in use, the cleaning pump 11 is continuously turned on, pressurizing the cleaning water in the water tank 10 and delivering it to the two spray racks 12. The water is then sprayed out through the atomizing spray heads 13 arranged at equal intervals, forming a uniform and gentle water flow to fully cover and rinse the surface of the agricultural products. The motor speed of the cleaning pump 11 can be steplessly adjusted by the program, and the water pressure can be flexibly adjusted according to the delicacy of different agricultural products to achieve non-contact flexible cleaning. The wastewater after cleaning falls into the water receiving tank 19 below.

[0039] Wastewater collected in the water tank 19 flows into the collection box 22 through the guide pipe 20. After being filtered by the filter screen 21 to remove solid impurities, the filtered clean water is temporarily stored in the lower part of the collection box 22. The wastewater at the outlet of the guide pipe 20 impacts the impeller 23 to rotate. The impeller 23 converts low-speed rotation to high-speed rotation through the gear speed increaser 27, driving the micro generator 24 to generate electricity. The AC power output by the micro generator 24 is converted into stable DC power by the rectifier and voltage regulator module (the rectifier and voltage regulator module is existing technology; for details, please refer to the rectification method of the permanent magnet brushless DC generator and the permanent magnet brushless DC generator in the announcement number "CN103683686A"). The DC power is stored in the battery 25, which provides working power for the cleaning pump 28 of the tool cleaning mechanism. The cleaning pump 28 starts periodically, drawing the filtered wastewater from the collection box 22 and spraying it out under high pressure through the cleaning nozzle 29 to wash away the roots and residues attached to the cutter 5. The washed wastewater falls back into the water tank 19, forming a cycle.

[0040] After cleaning, the agricultural products continue to be conveyed forward by the lower conveyor belt 3 and enter the airflow quality sorting station. The airflow generated by the high-speed propeller 14 forms a stable directional airflow field covering the entire width of the conveyor belt. This sorting principle is based on the weight and wind resistance differences of agricultural products of different qualities: qualified agricultural products with good integrity and larger weight are less affected by the airflow and continue to be conveyed forward by the lower conveyor belt 3; lighter unqualified products that are damaged, rotten, or dehydrated are blown up by the airflow and guided to the bad material collection area by the inclined diversion guide plate, realizing the non-destructive and automated sorting of good and bad agricultural products. The motor speed of the high-speed propeller 14 can be steplessly adjusted by the main controller, and the airflow intensity can be flexibly adjusted according to the sorting threshold of different types of agricultural products.

[0041] After sorting, qualified agricultural products are transported to the final finished product station by the lower conveyor belt 3. When the position sensor 15 detects that the agricultural products have reached the predetermined push position, it sends a signal to the main controller. The main controller outputs a switch or pulse signal to drive the motor 16 to start. The linear pusher motor 16 drives the push plate 17 to extend at a constant speed. The flexible protective layer 18 bonded to the push surface of the push plate 17 protects the agricultural products from being scratched or crushed during the push process, pushing the finished agricultural products away from the lower conveyor belt 3 and into the finished product collection trough on the opposite side. After the push is completed, the linear pusher motor 16 automatically resets and waits for the next batch of agricultural products to arrive, and the operation is repeated.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automated agricultural product processing system, characterized in that, include: A frame, on which a material conveying assembly is provided, the material conveying assembly including an upper conveyor belt and a lower conveyor belt; A root processing component is disposed on the upper conveyor belt. The root processing component includes a cutting motor and a cutter. The cutting motor is used to drive the cutter to cut off the roots of agricultural products. Agricultural product cleaning components, which are used to clean the surface of agricultural products; An airflow-type quality sorting assembly is disposed on the lower conveyor belt and is used to sort agricultural products by airflow. A finished product pushing component is used to push sorted agricultural products out of the lower conveyor belt; The wastewater recycling component includes a wastewater collection mechanism, a water flow energy storage mechanism, and a blade cleaning mechanism. The wastewater collection mechanism is located below the agricultural product cleaning component and is used to filter and collect the wastewater after the agricultural product cleaning component has been cleaned. The water flow energy storage mechanism is used to generate and store electrical energy using the kinetic energy of the wastewater. The energy stored in the water flow energy storage mechanism is used to drive the blade cleaning mechanism to operate. The blade cleaning mechanism is used to clean the cutting blade using the wastewater collected by the wastewater collection mechanism.

2. The automated agricultural product processing system according to claim 1, characterized in that: A material transfer structure is provided between the upper conveyor belt and the lower conveyor belt. The material transfer structure is an inclined guide chute. The upper end of the inclined guide chute receives the end of the upper conveyor belt, and the lower end is aligned with the beginning of the lower conveyor belt. The agricultural products are transferred without power by their own gravity. The upper conveyor belt and the lower conveyor belt are each equipped with an independent drive motor to achieve independent speed adjustment.

3. The automated agricultural product processing system according to claim 1, characterized in that: The root treatment assembly further includes a pressing mechanism, which includes a mounting frame, a pressing push rod, and an elastic pressing plate. The mounting frame is disposed on the frame, and the pressing push rod is disposed on the mounting frame. The movable end of the pressing push rod is connected to the elastic pressing plate.

4. The automated agricultural product processing system according to claim 1, characterized in that: The agricultural product cleaning component includes a water tank, a cleaning pump, a spray frame, and spray heads. The cleaning pump and the water tank are connected to each other. There are two spray frames, which are respectively located on both sides of the cutter. The spray heads are evenly spaced on the spray frames, and the spray heads and the cleaning pump are interconnected.

5. The automated agricultural product processing system according to claim 1, characterized in that: The airflow-type quality sorting component includes a high-speed propeller, which is disposed at one end of the lower conveyor belt and is used to sort agricultural products by airflow.

6. The automated agricultural product processing system according to claim 1, characterized in that: The finished product pushing component includes a position sensor, a linear pusher motor, and a pusher plate. The position sensor is located on the lower conveyor belt and is used to detect the position of the agricultural products. The linear pusher motor is used to drive the pusher plate to push the agricultural products away from the lower conveyor belt. A flexible protective layer is provided on one side of the pusher plate.

7. The automated agricultural product processing system according to claim 4, characterized in that: The wastewater collection mechanism includes a water receiving tank, a guide pipe, a filter screen, and a collection box. The water receiving tank is installed below the frame and has a funnel-shaped structure. An outlet is provided at the bottom of the water receiving tank. The guide pipe is located at the outlet and is used to guide wastewater into the collection box. The filter screen is provided in the collection box.

8. The automated agricultural product processing system according to claim 7, characterized in that: The water flow energy storage mechanism includes an impeller, a speed-increasing transmission structure, a micro generator, and a battery. The impeller is located at the outlet of the guide pipe. The impeller is connected to the input shaft of the micro generator through the speed-increasing transmission structure. The micro generator is equipped with a rectification and voltage stabilization module, and the rectified electrical energy is stored in the battery.

9. The automated agricultural product processing system according to claim 8, characterized in that: The speed-increasing transmission structure includes a gear speed increaser, the input end of which is coaxially connected to the impeller, and the output end of which is coaxially connected to the input shaft of the micro generator. The gear speed increaser is used to increase the input speed of the micro generator.

10. An automated agricultural product processing system according to claim 8, characterized in that: The blade cleaning mechanism includes a cleaning pump and a cleaning nozzle. The cleaning pump is electrically connected to the battery and the collection tank. The cleaning nozzle is located on the cutting motor. The cleaning pump is used to spray filtered wastewater from the collection tank through the cleaning nozzle to clean the cutting blade.

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