A seed cleaning and grading integrated processing device and a seed processing method

Abstract

The application discloses a kind of seed cleaning and grading integrated processing device and seed processing method, belong to seed processing equipment technical field.The device includes rack, cleaning tank, motor, transmission mechanism, vibrating screen, controller, air blower, shaking mechanism, rotating mechanism, flow guide pipe fittings, flow guide structure, heater and ultrasonic washer;Seed ultrasonic cleaning is washed by ultrasonic washer, sewage is discharged after cleaning is completed, and seed is pushed into drying cavity by rotating mechanism and is heated and dried, after drying, seed enters conical material guiding cavity by flow guide pipe fittings, and cooling is formed by baffling passage of flow guide structure, and seed after cooling falls into vibrating screen, and vibrating screen is driven by shaking mechanism to complete multistage screening classification;Air blower is synchronously sucked and carries away drying water vapor, and motor is used as only power source to synchronously drive air blower, rotating mechanism and shaking mechanism to operate by transmission mechanism.The application integrates ultrasonic cleaning, drying, cooling, screening and grading, and can improve seed processing efficiency.

Description

Technical Field

[0001] This invention relates to the field of seed processing equipment technology, and in particular to an integrated seed cleaning and grading processing device and a seed processing method. Background Technology

[0002] Seed processing is a crucial step in the seed production process. After harvesting, seeds are often mixed with soil and impurities, and some seeds may also be covered with pathogens. They need to be washed to remove the dirt. After washing, the seeds have a high moisture content and must be dried. After drying, they need to be graded and screened according to their particle size to separate seeds of different sizes for subsequent coating and sowing.

[0003] Most seed processing equipment on the market is currently modular, with washing, drying, and screening equipment operating independently. Seeds need to be transferred between multiple machines, resulting in discontinuous processes, potential secondary contamination during transfer, and low production efficiency. Some integrated equipment has multiple power mechanisms, with multiple motors driving each mechanism separately, leading to high equipment costs and complex control logic. Furthermore, the high temperature of dried seeds can cause thermal damage when directly entering the screening process, affecting the lifespan of the screening equipment, and there is a lack of effective cooling structures. In addition, materials can easily get stuck at the heating components during the drying process, resulting in insufficient equipment stability.

[0004] Therefore, developing a single-power-driven, integrated seed processing device that can continuously complete washing, drying, cooling, and grading, and operate stably, has practical application value. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide an integrated seed cleaning and grading processing device and seed processing method. This invention solves the problems of fragmented processes, high cost of multi-motor drive, lack of cooling treatment for dried seeds, and easy material jamming in existing seed processing equipment. It realizes continuous integrated operation of ultrasonic cleaning, drying, cooling, screening and grading of seeds. The whole machine uses a single motor as the power source, which simplifies the equipment structure and improves processing efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an integrated seed cleaning and grading processing device, comprising a frame, a cleaning tank, a motor, a transmission mechanism, a vibrating screen, a controller, an induced draft fan, a shaking mechanism, a rotating mechanism, a flow guide pipe, a flow guiding structure, a heater, and an ultrasonic cleaner; the cleaning tank, motor, vibrating screen, controller, and induced draft fan are all mounted on the frame; the ultrasonic cleaner is located inside the cleaning tank, the cleaning tank is provided with a sewage discharge structure and a material collection chamber, the material collection chamber is connected to a material guide pipe, the cleaning tank is also provided with a drying chamber, and the material guide pipe connects the material collection chamber and the drying chamber; The rotating mechanism is arranged inside the collecting chamber and the drying chamber to push and turn the seeds; the heater is located in the drying chamber for drying the seeds; the washing tank is provided with a conical guiding chamber, and a flow guiding structure is set inside the conical guiding chamber. The flow guiding pipe connects the drying chamber and the conical guiding chamber, and the blower is connected to the flow guiding pipe; the vibrating screen is arranged below the material discharge of the washing tank. The motor is the only power source and drives the blower, the rotating mechanism and the swaying mechanism through the transmission mechanism. The swaying mechanism connects the transmission mechanism and the vibrating screen, driving the vibrating screen to achieve vibrating screening.

[0007] Furthermore, a drain outlet is provided on one side of the bottom of the washing tank, and an intercepting net is installed inside the drain outlet. The drain outlet is connected to a drain pipe; control valves are installed on both the feed pipe and the drain pipe. The intercepting net can prevent seeds from being discharged with the sewage, and the control valves are used to control the on / off of sewage discharge and feeding.

[0008] Furthermore, the rotating mechanism includes a third drive shaft, a spiral auger, a connecting rod, and a turning shovel. The third drive shaft is rotatably mounted on the washing tank, and the spiral auger is fixed on the third drive shaft located in the collection chamber section. The turning shovel is fixed to the third drive shaft located in the drying chamber section via the connecting rod. The turning shovel is equipped with a guiding slope, which guides the seeds into the drainage pipe when the turning shovel rotates. The spiral auger completes the spiral pushing of the seeds in the collection chamber, and the turning shovel turns the seeds in the drying chamber, simultaneously feeding them into the drainage pipe.

[0009] Furthermore, the heater is equipped with heat-conducting fins extending into the drying chamber, and the turning shovel has notches adapted to the heat-conducting fins, allowing the fins to pass through. The notches and heat-conducting fins work together to prevent material jamming during turning, increasing the heat exchange contact area and improving the drying effect.

[0010] Furthermore, one end of the drainage pipe is connected to the drying chamber, and a discharge port is opened at the bottom of the drainage pipe. Several evenly distributed openings are opened in the pipe section inside the conical material guiding cavity. The conical material guiding cavity is sloped, with the discharge port facing the slope. A discharge port is located at the end of the conical material guiding cavity furthest from the drying chamber. When the blower operates, a high-speed airflow is formed inside the drainage pipe, which on the one hand carries away the drying moisture, and on the other hand draws in hot air from inside the conical material guiding cavity through the openings, thereby cooling the seeds.

[0011] Furthermore, the flow guiding structure includes a first guide plate and a second guide plate, which are arranged obliquely along the inner wall of the conical guide cavity, forming a figure-eight arrangement to create a deflection channel. The continuous deflection during seed descent extends the material's residence time, allowing for sufficient heat dissipation and cooling.

[0012] Furthermore, the vibrating screen includes a frame, a first screen plate, and a second screen plate; one end of the frame is hinged to the machine frame, and the other end is arranged at a downward inclination; the first screen plate and the second screen plate are assembled sequentially from top to bottom inside the frame; the lower end of the frame is respectively provided with a first material stage outlet, a second material stage outlet, and a third material stage outlet. The two screen plates realize three-level material grading to obtain three different specifications of seeds.

[0013] Furthermore, the transmission mechanism includes a first transmission shaft, a second transmission shaft, a first pulley, a second pulley, a third pulley, a fourth pulley, a fifth pulley, a first transmission belt, a second transmission belt, and a third transmission belt. The motor output shaft is equipped with the first pulley, and the first and second transmission shafts are rotatably mounted on the frame. The first transmission shaft is equipped with the second pulley, which drives the second pulley via the first transmission belt. The second pulley is a double-grooved pulley, and it is connected to the third pulley via the second transmission belt. The third pulley is fixed on the second transmission shaft, which is connected to the impeller of the induced draft fan. The second transmission shaft is equipped with the fourth pulley, and the shaft end of the rotating mechanism is equipped with the fifth pulley, which drives the fifth pulley via the third transmission belt. The entire transmission mechanism is driven by the same motor, synchronously driving the oscillating mechanism, the induced draft fan, and the rotating mechanism.

[0014] Furthermore, the swaying mechanism includes a support rod, a pin, and a crank rocker arm; one end of the support rod is hinged to the vibrating screen via the pin, and the other end of the support rod is connected to the first transmission shaft via the crank rocker arm. The crank rocker arm rotates with the first transmission shaft, driving the support rod to reciprocate, thereby driving the vibrating screen to reciprocate.

[0015] The present invention also provides a seed processing method, implemented using the above-mentioned integrated seed cleaning and grading processing device, comprising the following steps: S1. Put the seeds to be processed into the cleaning tank, close the control valves of the feed pipe and the drain pipe, and turn on the ultrasonic cleaner to perform ultrasonic cleaning on the seeds. S2. After cleaning, open the control valve of the drain pipe to discharge the sewage. The interceptor net at the drain outlet prevents the seeds from flowing out with the sewage. After the sewage is discharged, open the control valve of the feed pipe. The rotating mechanism will push the seeds in the collection chamber and send them into the drying chamber through the feed pipe. S3. The heater is started, and the rotating mechanism continuously turns the seeds in the drying chamber to heat and dry them; the exhaust fan works simultaneously to draw out the water vapor generated during drying; the dried seeds are guided into the drainage pipe by the rotating mechanism. S4. Seeds fall onto the slope through the discharge port of the guide pipe and enter the conical guide chamber along the slope. The seeds fall through the deflection channel formed by the guide structure. The blower draws in the hot air inside the conical guide chamber through the opening on the guide pipe to cool the seeds. The cooled seeds fall into the vibrating screen from the discharge port. S5. The motor drives the shaking mechanism through the transmission mechanism to drive the vibrating screen to vibrate back and forth. The seeds are screened through two-stage screen plates, and seeds of different specifications are output from the respective material outlets to complete the seed grading process.

[0016] Compared with related technologies, the seed cleaning and grading integrated processing device and seed processing method provided by the present invention have the following beneficial effects: 1. This invention integrates ultrasonic cleaning, drying, cooling, sieving and grading into one unit. Seeds complete all processing steps inside the device, eliminating the need for transfer between equipment, reducing secondary pollution, and improving processing efficiency through continuous operation.

[0017] 2. The entire machine is equipped with only one motor as the power source for all actuators. It relies on a transmission mechanism composed of belt drives to synchronously drive the rotating mechanism, the induced draft fan, and the swaying mechanism, reducing the number of drive components, lowering the equipment manufacturing cost, and simplifying the control logic.

[0018] 3. A conical guide chamber is set up with a figure-eight flow guide structure to form a baffle channel. The dried seeds fall through the baffle, and the blower simultaneously draws out the hot airflow to achieve full cooling of the seeds and avoid the adverse effects of direct screening of high-temperature seeds.

[0019] 4. The notch on the turning shovel matches the heat-conducting plate of the heater, so that there will be no interference or jamming of parts during the turning of seeds. The heat-conducting plate increases the heat exchange area, resulting in higher drying efficiency and better equipment operation stability.

[0020] 5. The vibrating screen is equipped with two layers of screen plates and three material outlets, which can obtain three sizes of seeds in one screening, resulting in good grading effect. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of an integrated seed cleaning and grading processing device proposed in this invention; Figure 2 This is a three-dimensional schematic diagram from another perspective of the seed cleaning and grading integrated processing device proposed in this invention; Figure 3 This is a front view schematic diagram of an integrated seed cleaning and grading processing device proposed in this invention; Figure 4 This is a half-section perspective view of the cleaning tank proposed in this invention; Figure 5 This is a three-dimensional schematic diagram of the rotating mechanism proposed in this invention; Figure 6This is a vertical half-sectional perspective view of the material collection chamber and drying chamber proposed in this invention; Figure 7 This is a transverse half-section perspective view of the material collection chamber and drying chamber proposed in this invention; Figure 8 This is a top view of the material collection chamber and drying chamber in a horizontal half-section as proposed in this invention.

[0022] In the diagram: 1. Frame; 2. Washing tank; 21. Collection chamber; 22. Drying chamber; 23. Guide pipe; 24. Drain outlet; 25. Drain pipe; 26. Conical guide chamber; 27. Slope; 28. Discharge outlet; 3. Motor; 4. Transmission mechanism; 41. First pulley; 42. Second pulley; 43. First transmission belt; 44. Second transmission shaft; 45. Third pulley; 46. Second transmission belt; 47. Fourth pulley; 48. Fifth pulley; 49. Third transmission belt; 410. First transmission shaft; 5. Vibrating screen; 51. Frame; 52. First screen plate; 53. Second screen plate 54. First stage outlet; 55. Second stage outlet; 56. Third stage outlet; 6. Controller; 7. Exhaust fan; 8. Shaking mechanism; 81. Support rod; 82. Pin; 83. Crank rocker arm; 9. Rotating mechanism; 91. Third drive shaft; 92. Spiral auger; 93. Connecting rod; 94. Tilting shovel; 95. Guide slope; 96. Notch; 10. Drainage pipe fitting; 101. Discharge port; 102. Through port; 11. Guide structure; 111. First guide plate; 112. Second guide plate; 12. Heater; 121. Heat-conducting plate; 13. Ultrasonic washer. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to specific embodiments, so that those skilled in the art can understand it.

[0024] like Figures 1-8 As shown, an integrated seed cleaning and grading processing device includes a frame 1; a cleaning tank 2 is fixedly installed on the frame 1, a motor 3 is fixed at the bottom of the frame 1, and a transmission mechanism 4, a vibrating screen 5, a controller 6, a blower 7, and a shaking mechanism 8 are assembled on the frame 1; a rotating mechanism 9, a flow guide pipe 10, a flow guiding structure 11, a heater 12, and an ultrasonic cleaner 13 are assembled inside the cleaning tank 2.

[0025] The cleaning tank 2 is equipped with a collection chamber 21 and a drying chamber 22. A guide pipe 23 is connected to the bottom of the collection chamber 21. A drain outlet 24 is located on one side of the bottom of the collection chamber 21, with an intercepting net inside. A drain pipe 25 is connected to the lower end of the drain outlet 24. A conical guide chamber 26 is located below the collection chamber 21. A ramp 27 is located at the top of the conical guide chamber 26 near the drying chamber 22, and a discharge outlet 28 is located at the bottom of the conical guide chamber 26 away from the drying chamber 22. Control valves are installed on both the guide pipe 23 and the drain pipe 25. An ultrasonic cleaner 13 is arranged inside the cleaning tank 2 for ultrasonic cleaning of seeds.

[0026] The rotating mechanism 9 includes a third drive shaft 91, which is rotatably connected to the cleaning tank 2; the shaft section of the third drive shaft 91 inside the collection chamber 21 is fixed with a spiral auger 92; the shaft section of the third drive shaft 91 inside the drying chamber 22 is fixed with an arc-shaped turning shovel 94 by multiple sets of connecting rods 93; a guide slope 95 is provided on the inner side of the turning shovel 94; and a notch 96 is opened on the turning shovel 94.

[0027] The heater 12 is arranged at the bottom of the drying chamber 22. Several heat-conducting plates 121 extend upward from the heater 12 into the drying chamber 22. The heat-conducting plates 121 correspond one-to-one with the notches 96 of the turning shovel 94. When the turning shovel 94 rotates, the heat-conducting plates 121 can pass through the notches 96 to avoid interference between components and jamming of materials.

[0028] One end of the drainage pipe 10 passes through the conical material guiding cavity 26 and connects to the drying cavity 22; a discharge port 101 is opened at the bottom of the drainage pipe 10, and the discharge port 101 faces the slope 27; several evenly distributed openings 102 are opened on the side of the pipe section of the drainage pipe 10 arranged inside the conical material guiding cavity 26; the other end of the drainage pipe 10 is connected to the air inlet of the blower 7; a bag separator is connected to the air outlet of the blower 7.

[0029] The flow guiding structure 11 includes a first guide plate 111 and a second guide plate 112. The first guide plate 111 and the second guide plate 112 are inclined and fixed along the conical inner wall of the conical guide cavity 26. The two are arranged in a figure-eight shape, forming a material deflection channel inside the conical guide cavity 26.

[0030] The vibrating screen 5 is arranged below the discharge position of the washing tank 2; the vibrating screen 5 includes a frame 51, one end of which is hinged to the frame 1, and the other end of the frame 51 is inclined downward; inside the frame 51, a first screen plate 52 and a second screen plate 53 are fixed from top to bottom; a first material outlet 54, a second material outlet 55, and a third material outlet 56 are provided at the lower end of the frame 51; the first material outlet 54 collects large-diameter seeds intercepted by the first screen plate 52; the second material outlet 55 collects medium-diameter seeds intercepted by the second screen plate 53; and the third material outlet 56 collects small-diameter seeds that pass through the two screen plates.

[0031] The transmission mechanism 4 includes a first pulley 41, a second pulley 42, a first transmission belt 43, a second transmission shaft 44, a third pulley 45, a second transmission belt 46, a fourth pulley 47, a fifth pulley 48, a third transmission belt 49, and a first transmission shaft 410. The output shaft of motor 3 is fixed to the first pulley 41; the first drive shaft 410 and the second drive shaft 44 are mounted on the frame 1 by rotating on the shaft support; the end of the first drive shaft 410 is fixed to the second pulley 42, and the first pulley 41 drives the second pulley 42 through the first drive belt 43; the second pulley 42 is a double groove pulley; one end of the second drive shaft 44 is fixed to the impeller of the induced draft fan 7, and the outer side of the second drive shaft 44 is fixed to the third pulley 45, and the second pulley 42 drives the third pulley 45 through the second drive belt 46; the end of the second drive shaft 44 away from the induced draft fan 7 is fixed to the fourth pulley 47; the third drive shaft 91 of the rotating mechanism 9 extends outward from the cleaning tank 2, and the shaft end is fixed to the fifth pulley 48, and the fourth pulley 47 drives the fifth pulley 48 by the third drive belt 49.

[0032] The swaying mechanism 8 includes a support rod 81, a pin 82, and a crank rocker arm 83; the upper end of the support rod 81 is hinged to the frame 51 of the vibrating screen 5 by the pin 82; the lower end of the support rod 81 is hinged to the crank rocker arm 83, which is mounted on the first transmission shaft 410; the eccentric rotation of the first transmission shaft 410 drives the crank rocker arm 83 to move periodically, which drives the support rod 81 to push and pull the vibrating screen 5 back and forth, so that the vibrating screen 5 performs reciprocating vibrating screening.

[0033] The controller 6 is electrically connected to the motor 3, ultrasonic washer 13, and heater 12 to realize the timing control of the whole machine's operation.

[0034] The seed processing method in this embodiment has the following specific workflow: S1. Seed feeding and cleaning: The seeds to be processed are put into the cleaning tank 2. The controller 6 controls the closing of the control valves of the feed pipe 23 and the drain pipe 25. The ultrasonic cleaner 13 is started and operates to perform ultrasonic cleaning on the seeds in the soaking state, removing the mud and attached substances from the seed surface.

[0035] S2. Wastewater discharge and feeding drying: After the set cleaning time is completed, the controller 6 opens the control valve of the drain pipe 25, and the wastewater flows from the drain port 24 into the drain pipe 25 and is discharged; the intercepting net inside the drain port 24 blocks the seeds, and the seeds are retained in the collection chamber 21; after the wastewater is discharged, the control valve of the guide pipe 23 is opened; the motor 3 starts, and the output torque of the motor 3 is transmitted through the transmission mechanism 4 to drive the third transmission shaft 91 to rotate, and the spiral auger 92 rotates to spirally push the cleaned seeds in the collection chamber 21. The seeds are then transported into the drying chamber 22 through the guide pipe 23.

[0036] S3. Seed drying operation: Controller 6 turns on heater 12, which releases heat to drying chamber 22 through heat-conducting plate 121; third drive shaft 91 drives turning shovel 94 to rotate continuously and turn the seeds inside drying chamber 22. During the rotation of turning shovel 94, notch 96 avoids heat-conducting plate 121 and will not cause jamming; at the same time, transmission mechanism 4 drives second drive shaft 44 to rotate, and impeller of blower 7 rotates synchronously. Blower 7 starts suction operation, and the water vapor evaporated in drying chamber 22 is drawn away through drainage pipe 10. The water vapor is finally discharged to bag separator through blower 7; dried seeds rotate with turning shovel 94, and guide slope 95 on turning shovel 94 scoops up the seeds and guides them into drainage pipe 10.

[0037] S4. Seed cooling treatment: Seeds enter the inlet pipe 10 and fall down the pipe from the discharge port 101 to the surface of the slope 27; the seeds slide down the slope 27 into the conical guide chamber 26; during the falling process, the seeds alternately pass through the figure-eight-shaped baffle channel formed by the first guide plate 111 and the second guide plate 112, constantly changing the falling path and extending the falling stroke; the blower 7 works, the flow velocity in the inlet pipe 10 is fast, and the hot air inside the conical guide chamber 26 is drawn through the outlet 102, which takes away the heat of the seeds and realizes the cooling of the seeds; the cooled seeds fall down from the discharge port 28 at the bottom of the conical guide chamber 26 and fall onto the vibrating screen 5.

[0038] S5. Vibrating Grading and Screening: Motor 3 drives the first drive shaft 410 to rotate, and the crank rocker arm 83 swings with the first drive shaft 410, pulling the vibrating screen 5 to reciprocate and tilt through the support rod 81; seeds fall on the first screen plate 52, large-diameter seeds are intercepted by the first screen plate 52 and discharged from the first material stage outlet 54; seeds passing through the first screen plate 52 fall to the second screen plate 53, medium-diameter seeds are intercepted by the second screen plate 53 and discharged from the second material stage outlet 55; small-diameter seeds passing through the second screen plate 53 are collected and discharged from the third material stage outlet 56; the three types of seeds with different diameters are collected separately, completing the whole process of seed cleaning, drying, cooling and grading.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of the present invention according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of the present invention. These technical solutions also fall within the scope of protection of the present invention.

Claims

1. A seed cleaning and grading integrated processing device, characterized in that, It includes a frame (1), a cleaning tank (2), a motor (3), a transmission mechanism (4), a vibrating screen (5), a controller (6), an exhaust fan (7), a shaking mechanism (8), a rotating mechanism (9), a drainage pipe (10), a flow guiding structure (11), a heater (12), and an ultrasonic cleaner (13). The cleaning tank (2), motor (3), vibrating screen (5), controller (6), and induced draft fan (7) are all mounted on the frame (1); The ultrasonic cleaner (13) is located inside the cleaning tank (2). The cleaning tank (2) is equipped with a sewage discharge structure and a material collection chamber (21). The material collection chamber (21) is connected to the material guide pipe (23). The cleaning tank (2) is also equipped with a drying chamber (22). The material guide pipe (23) is connected to the material collection chamber (21) and the drying chamber (22). The rotating mechanism (9) is arranged inside the collecting chamber (21) and the drying chamber (22) for pushing and turning the seeds; The heater (12) is located in the drying chamber (22) for seed drying; The cleaning tank (2) is provided with a conical guide cavity (26), and a flow guiding structure (11) is provided inside the conical guide cavity (26). The flow guiding pipe (10) connects the drying chamber (22) and the conical guide cavity (26), and the blower (7) is connected to the flow guiding pipe (10). The vibrating screen (5) is arranged below the material discharge of the washing tank (2). The motor (3) serves as the sole power source and drives the blower (7), the rotating mechanism (9), and the swaying mechanism (8) through the transmission mechanism (4). The swaying mechanism (8) connects the transmission mechanism (4) and the vibrating screen (5) to drive the vibrating screen (5) to achieve vibrating screening.

2. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, The bottom side of the cleaning tank (2) is provided with a drain outlet (24), and an intercepting net is installed inside the drain outlet (24). The drain outlet (24) is connected to the drain pipe (25). Control valves are provided on both the guide pipe (23) and the drain pipe (25).

3. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, The rotating mechanism (9) includes a third drive shaft (91), a spiral auger (92), a connecting rod (93), and a turning shovel (94). The third drive shaft (91) is rotatably mounted on the cleaning tank (2). The spiral auger (92) is fixed on the third drive shaft (91) located in the collection chamber (21) section. The turning shovel (94) is fixed on the third drive shaft (91) located in the drying chamber (22) section through the connecting rod (93). The turning shovel (94) is provided with a guide slope (95). When the turning shovel (94) rotates, it guides the seeds into the diversion pipe (10) with the help of the guide slope (95).

4. The seed cleaning and grading integrated processing device according to claim 3, characterized in that, The heater (12) is provided with a heat-conducting plate (121) extending into the drying chamber (22), and the turning shovel (94) has a notch (96) adapted to the heat-conducting plate (121), through which the heat-conducting plate (121) can pass.

5. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, One end of the diversion pipe (10) is connected to the drying chamber (22). A discharge port (101) is opened at the bottom of the diversion pipe (10). The pipe section of the diversion pipe (10) inside the conical guide chamber (26) is provided with several evenly distributed openings (102). The conical guide chamber (26) is provided with a slope (27). The discharge port (101) is arranged directly opposite the slope (27). The end of the conical guide chamber (26) away from the drying chamber (22) is provided with a discharge port (28).

6. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, The flow guiding structure (11) includes a first guide plate (111) and a second guide plate (112). The first guide plate (111) and the second guide plate (112) are arranged at an inclination along the inner wall of the conical guide cavity (26). They are arranged in a figure-eight shape and together form a flow deflection channel.

7. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, The vibrating screen (5) includes a frame (51), a first screen plate (52), and a second screen plate (53); one end of the frame (51) is hinged to the machine frame (1), and the other end is arranged downwards; the first screen plate (52) and the second screen plate (53) are assembled in the frame (51) from top to bottom; the lower end of the frame (51) is provided with a first material outlet (54), a second material outlet (55), and a third material outlet (56).

8. The seed cleaning and grading integrated processing device according to claim 1, characterized in that, The transmission mechanism (4) includes a first transmission shaft (410), a second transmission shaft (44), a first pulley (41), a second pulley (42), a third pulley (45), a fourth pulley (47), a fifth pulley (48), a first transmission belt (43), a second transmission belt (46), and a third transmission belt (49); the output shaft of the motor (3) is equipped with the first pulley (41), and the first transmission shaft (410) and the second transmission shaft (44) are rotatably mounted on the frame (1); the first transmission shaft (410) is equipped with the second pulley (42), and the first pulley (45) is rotatably mounted on the frame (1). 41) The second pulley (42) is driven by the first transmission belt (43); the second pulley (42) is a double groove pulley, and the second pulley (42) is connected to the third pulley (45) through the second transmission belt (46). The third pulley (45) is fixed on the second transmission shaft (44), and the second transmission shaft (44) is connected to the impeller of the induced draft fan (7). The second transmission shaft (44) is equipped with the fourth pulley (47), and the shaft end of the rotating mechanism (9) is provided with the fifth pulley (48). The fourth pulley (47) drives the fifth pulley (48) through the third transmission belt (49).

9. The seed cleaning and grading integrated processing device according to claim 8, characterized in that, The swaying mechanism (8) includes a support rod (81), a pin (82), and a crank rocker arm (83); one end of the support rod (81) is hinged to the vibrating screen (5) through the pin (82), and the other end of the support rod (81) is connected to the first drive shaft (410) through the crank rocker arm (83).

10. A seed processing method according to any one of claims 1-9, characterized in that, Includes the following steps: S1. Put the seeds to be processed into the cleaning tank (2), close the control valves of the feed pipe (23) and the drain pipe (25), and turn on the ultrasonic cleaner (13) to perform ultrasonic cleaning on the seeds. S2. After cleaning, open the control valve of the drain pipe (25) to discharge the sewage. The interception net of the drain outlet (24) blocks the seeds from flowing out with the sewage. After the sewage is discharged, open the control valve of the guide pipe (23). The rotating mechanism (9) pushes the seeds in the collection chamber (21) through the guide pipe (23) into the drying chamber (22). S3. The heater (12) is started, and the rotating mechanism (9) continuously turns the seeds in the drying chamber (22) to heat and dry the seeds; the blower (7) works simultaneously to draw out the water vapor generated during drying; the dried seeds are guided into the drainage pipe (10) by the rotating mechanism (9). S4. Seeds fall onto the slope (27) through the discharge port (101) of the guide pipe (10), and enter the conical guide chamber (26) along the slope (27). Seeds fall through the baffle channel formed by the guide structure (11). The blower (7) draws hot air from the conical guide chamber (26) through the opening (102) on the guide pipe (10) to cool the seeds. After cooling, the seeds fall into the vibrating screen (5) from the discharge port (28). S5. The motor (3) drives the shaking mechanism (8) through the transmission mechanism (4) to drive the vibrating screen (5) to vibrate back and forth. The seeds are screened through two-stage screen plates. Seeds of different specifications are output from the first grade outlet (54), the second grade outlet (55), and the third grade outlet (56) respectively, completing the seed grading process.

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