Automatic cleaning device for pea seedlings

Abstract

The utility model relates to the technical field of agricultural machinery, and discloses an automatic pea seedling cleaning device which comprises a rack, a controller, a transmission device, a cleaning device and an air injection device, and the rack comprises a frame body, a water accumulation tank erected on the frame body, and an input part and an output part which are connected with the two ends of the water accumulation tank; the conveying device is arranged in an inner cavity of the water accumulation tank to convey pea seedlings; the cleaning device is arranged above the conveying device and is used for spraying and washing the pea seedlings on the conveying device; the air spraying device is arranged below the accumulated water conveying device, and sprayed air flow drives the pea seedlings to turn over, so that dead corners of the pea seedlings are cleaned, and the pea seedlings are air-dried; the problem of how to automatically clean the pea seedlings is solved, the pea seedlings are automatically cleaned without dead corners, manpower resource waste in the pea seedling cleaning process is reduced, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of agricultural machinery, especially relates to a pea seedling automatic cleaning device. BACKGROUND

[0002] Pea seedlings are high-nutrition pollution-free health vegetables in green leaf vegetables, and have good development prospects. The benefits not only come from the nutritional value, but also add colors to people's dining table due to the unique form. Therefore, it is necessary to protect the form of pea seedlings as much as possible during the cleaning process to avoid damage to the pea seedlings during the cleaning process. At present, the pea seedlings are mainly harvested and cleaned by manual labor, which is labor-intensive and low in cleaning efficiency. In order to solve the above problems, the current cleaning device is as follows: when the pea seedlings are processed and cleaned by the belt type pea seedling cleaning device, the lower surface of the pea seedlings will be attached to the conveyor belt, so that the part attached to the conveyor belt cannot be brushed and cleaned, thereby affecting the cleaning efficiency and failing to meet the demand.

[0003] In recent years, with the continuous development of automatic vegetable cleaning technology, a vegetable cleaning device using water flow to clean dead angles is disclosed in CN109043597B. The water flow drives the rotating disc to rotate, and the cleaning convex points are rubbed with the vegetables, thereby realizing the cleaning of the dead angles of the vegetables. A pesticide removal device for vegetable cleaning is disclosed in CN218219030U. The vegetables are soaked in the soaking pool, and then the water mist is sprayed out through the washing nozzle. The rotating and turning of the washing nozzle and the transportation rotating blade can completely wash the vegetables and prevent the occurrence of blind areas. A pesticide removal device for vegetable cleaning is disclosed in CN211749125U. The device can wash and brush the vegetables at the same time, and the vegetables can be easily discharged from the cleaning device after cleaning.

[0004] However, the above-mentioned patents can solve some or some problems encountered in automatic vegetable cleaning. However, due to the characteristics of tender texture and fine branches and leaves of pea seedlings, the above-mentioned devices cannot be completely applied. Therefore, how to clean the pea seedlings without damaging them, how to avoid the dead angles during the cleaning process, and how to easily collect the pea seedlings after cleaning are problems that need to be solved in the field. UTILITY MODEL CONTENTS

[0005] The pea seedling automatic cleaning device disclosed in the utility model solves the problem of how to automatically clean the pea seedlings, realizes automatic dead angle-free cleaning of the pea seedlings, and facilitates the collection of the pea seedlings after cleaning, thereby reducing the waste of human resources and labor intensity during the cleaning process of the pea seedlings.

[0006] The utility model achieves the above technical purposes through the following technical means.

[0007] The application discloses an automatic cleaning device for pea seedlings, which comprises a rack, a conveying device, a cleaning device and an air jet device.

[0008] The rack comprises a rack body, an accumulated water tank arranged on the rack body and an input part and an output part arranged on the rack body and connected to two ends of the accumulated water tank respectively.

[0009] The conveying device is arranged in the inner cavity of the accumulated water tank and extends to above the output part, and is used for conveying the pea seedlings from the input part to the discharge opening of the output part.

[0010] The cleaning device is arranged on the rack above the conveying device, and is used for spraying and flushing the pea seedlings conveyed on the conveying device.

[0011] The air jet device is arranged in the inner cavity of the accumulated water tank and below the conveying device, and is used for air-dynamically overturning the pea seedlings on the conveying device.

[0012] Further, the accumulated water tank comprises a conical accumulated water bottom and support side plates symmetrically arranged on two sides of the conical accumulated water bottom, the support side plates are provided with outwardly turned flanges on top portions and are adaptively connected to the top portion of the rack body, transition support steps are arranged between the support side plates and two sides of the conical accumulated water bottom, the transition support steps are adaptively supported by the conveying device, and the conical accumulated water bottom is provided with a drainage opening close to a bottom surface at two ends of the conical accumulated water bottom, and the drainage opening is externally connected with a drainage valve.

[0013] Further, the conveying device comprises a mesh-shaped conveying belt, support housings symmetrically arranged on two sides of the mesh-shaped conveying belt, a transmission shaft rotatably connected to the support housings through bearing seats and a motor arranged on one side of the rack body and used for driving the transmission shaft to rotate, and the upper ends of the support housings are provided with cover baffles adaptively connected to two sides of the mesh-shaped conveying belt.

[0014] Further, the transmission shaft is provided with a toothed disc on two sides, and a conveying chain provided on two sides of the mesh-shaped conveying belt is adaptively driven, and the conveying device further comprises a self-speed-adjusting module and a cleaning condition detection module, the self-speed-adjusting module is used for automatically adjusting the conveying speed according to the working state of the cleaning device, and the cleaning condition detection module is used for detecting the cleaning condition of the pea seedlings in real time and flexibly adjusting the conveying speed according to the need.

[0015] Further, the cleaning device comprises water inlet pipes symmetrically arranged on the top portion of the rack body, water outlet pipes arranged on the water inlet pipes and spaced apart and connected, a liquid preparation tank arranged on one side of the rack body and a water delivery pipe connected between the water inlet pipes and the liquid preparation tank, the water outlet pipes are provided with a plurality of spray heads, and the bottom portion of the liquid preparation tank is provided with a drainage structure.

[0016] Further, the water delivery pipe is further provided with a booster pump, and the end portion of the water inlet pipe is further provided with a quick release lock.

[0017] Furthermore, the jet device includes a blower fixed at the bottom of one side of the frame, a wind frame assembly installed at the bottom of the water trough and below the transmission device, and an air inlet pipe connecting the wind frame assembly and the blower. The wind frame assembly is provided with multiple interconnected exhaust pipes in vertical and horizontal directions, and the exhaust pipes are provided with multiple exhaust nozzles at intervals.

[0018] Furthermore, a support connection block is provided on the outside of the wind frame assembly to support the conical side surface of the conical bottom of the water trough.

[0019] Furthermore, it also includes a controller and a protection system arranged on one side of the rack, and the controller is electrically connected to the transmission device, cleaning device, jet device and protection system respectively; the protection system is used to identify abnormal behaviors such as misoperation and incorrect parameter setting, overload and equipment overheating, and filter them to protect the equipment from potential damage.

[0020] Furthermore, the controller also includes a preset cleaning mode selection module, a custom cleaning module, a display module, a memory module and a remote control module. The preset cleaning mode selection module is used to select an appropriate cleaning mode according to different situations; the custom cleaning module is used to set the proportion of the cleaning liquid, the cleaning time and the speed of the mesh conveyor belt, etc., to achieve personalized regulation and achieve the most ideal cleaning effect; the display module is used to display various working states in real time; the memory module is used to memorize the user's recent usage habits to facilitate the user's next use; the remote control module uploads the data generated by the device to the user's device by connecting to WiFi.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] During the pea sprout cleaning process, the device is started by the controller; the pea sprouts are placed on the feeding port of the rack, and the pea sprouts slide onto the transmission device along the feeding port; in the process of the pea sprouts moving along the transmission device to the discharging port, the nozzle of the cleaning device sprays the prepared cleaning liquid on the pea sprouts, which can make the pea sprouts clean more thoroughly; the jet device drives the pea sprouts to turn over by the jetted air flow, thereby realizing the cleaning of the dead corners of the pea sprouts and achieving a certain degree of air drying; finally, the cleaned pea sprouts arrive at the discharging port of the rack along the transmission device, so that the cleaned pea sprouts are discharged from the device; the present cleaning device does not damage the pea sprouts during cleaning, but maintains their original shape, ensures the taste and style of the food, and is convenient for collecting the pea sprouts after cleaning; the use of the jet device can realize the turning of the pea sprouts during cleaning to clean without dead corners, which not only has a high degree of cleaning, but also dries the pea sprouts to a certain extent;

[0023] The controller is installed on one side of the rack and is electrically connected with the conveying device, the cleaning device and the air jet device, not only controls start and stop of the cleaning device, but also is provided with a preset cleaning mode selection module, a self-defined cleaning module, a display module, a memory module and a remote control module, so that individualized regulation and control are realized, cleaning quality is comprehensively improved, and the intelligent degree of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is a three-dimensional schematic diagram of the explosion structure of the utility model;

[0026] Figure 3 It is a three-dimensional structure schematic diagram of a section of the utility model;

[0027] Figure 4 It is a three-dimensional structure schematic diagram of the rack of the utility model;

[0028] Figure 5 It is a three-dimensional structure schematic diagram of the water accumulation tank of the utility model;

[0029] Figure 6 It is a three-dimensional structure schematic diagram of the conveying device of the utility model;

[0030] Figure 7 It is a three-dimensional structure schematic diagram of the cleaning device of the utility model;

[0031] Figure 8 It is a three-dimensional structure schematic diagram of the air jet device of the utility model.

[0032] The following is a description of the reference signs:

[0033] Rack-1, controller-2, conveying device-3, cleaning device-4 and air jet device-5, rack body-11, water accumulation tank-12, conical water accumulation bottom-121, support side plate-122, transition support step-123, outward flange-124, drain port-125, input part-13, output part-14, motor-15, drain valve-16, support shell-31, transmission shaft-32, mesh conveyor belt-33, toothed disc-34, bearing seat-35, cover baffle-36, water inlet pipe-41, water outlet pipe-42, spray head-43, water delivery pipe-44, liquid mixing tank-45, booster pump-46, drain structure-47, quick release lock-48, air blower-51, air inlet pipe-52, air stand assembly-53, air outlet pipe-54, support connecting block-55. DETAILED DESCRIPTION

[0034] In order to deepen the understanding of the utility model, the utility model will be further described in detail below in conjunction with the drawings, and the embodiment is only used to explain the utility model, and does not constitute the limitation to the protection scope of the utility model.

[0035] In the description of the utility model, it needs to be understood that the orientation or position relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated combination or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as the limitation to the utility model.

[0036] The utility model will be further described in detail below in conjunction with the drawings and specific embodiments: as Figures 1-8 For an embodiment of the pea seedling automatic cleaning device of the utility model, including frame 1, conveying device 3, cleaning device 4 and air injection device 5;Frame 1, including frame body 11, water accumulation tank 12 and input part 13 and output part 14, which are arranged on the frame body 11 and are connected to the both ends of the water accumulation tank 12 respectively;The input part 13 side is equipped with pea seedling inlet, and the output part 14 one end is connected with the water accumulation tank 12, and one end is equipped with the discharge port for the pea seedling along the conveying device 3 output, the output part 14 and the water accumulation tank 12 can be horizontally arranged, also can be arranged with an inclination, can be up inclined also can be down inclined;

[0037] Conveying device 3, is arranged in the inner cavity of water accumulation tank 12 and extends to the upper of output part 14, is used for conveying pea seedling from input part 13 to the discharge port of output part 14, and the washed pea seedling is collected and packaged;

[0038] The cleaning device 4 is arranged on the rack 1 above the conveying device 3, sprays the modulated cleaning liquid on the pea seedlings conveyed by the conveying device 3 to spray and wash the pea seedlings; the air jet device 5 is arranged in the inner cavity of the water accumulation tank 12 below the conveying device 3, drives the pea seedlings on the conveying device 3 to overturn from below the conveying device 3 by the jet flow, and then realizes the cleaning of the dead angle of the pea seedlings; by arranging the conveying device 3 for conveying the pea seedlings on the rack 1, arranging the cleaning device 4 and the air jet device 5 above and below the conveying device 3 respectively, and arranging the water accumulation tank 12 for accommodating the cleaning device 4 and the air jet device 5 on the rack 1, the water accumulation tank 12 is used to collect the accumulated water of the pea seedlings sprayed and washed by the cleaning device 4, and ensures that the surrounding environment is clean and tidy; the uncleaned pea seedlings enter the conveying device 3 from the inlet of the input part 13, are conveyed to the outlet of the output part 14 by the conveying device 3, and are sprayed and washed by the cleaning device 4 arranged above the conveying device 3 during the output process of the pea seedlings in the conveying device 3; at the same time, the air jet device 5 arranged below the conveying device 3 sprays and overturns the pea seedlings on the conveying device 3, this kind of cleaning method of continuously moving up and down, ensures that the pea seedlings with tender texture and fine branches and leaves are cleaned in all directions without dead angle, reduces the damage in the cleaning process, and the cleaned pea seedlings will leave from the outlet of the output part 14, as long as the collection box or frame is placed at the outlet to complete it; this greatly reduces the demand for manual transmission, improves the work efficiency and reduces the process damage to the pea seedlings.

[0039] An optional embodiment: as shown in Figures 2-5 The water accumulation tank 12 includes a conical water accumulation bottom 121 and support side plates 122 symmetrically arranged on both sides of the conical water accumulation bottom 121, the top of the support side plate 122 is provided with an everted flange 124 which is adaptively connected with the top of the rack body 11, a transition support step 123 is arranged between the support side plate 122 and the conical water accumulation bottom 121 on both sides, the transition support step 123 is adaptively supported by the conveying device 3, and a drainage port 125 is arranged at both ends of the conical water accumulation bottom 121 close to the bottom surface, and the drainage port 125 is externally connected with a drainage valve 16; the drainage valve is used to drain the residual liquid in the rack to ensure the normal operation of the equipment.

[0040] An optional embodiment: as shown in Figure 2 , 3As shown in FIG. 6, the transmission device 3 comprises a mesh conveyor belt 33, support housings 31 symmetrically arranged on both sides of the mesh conveyor belt 33, a transmission shaft 32 rotatably connected to the support housings 31 through bearing seats 35, and a motor 15 arranged on one side of the frame body 11 for driving the transmission shaft 32 to rotate. Upper ends of the two support housings 31 are provided with cover baffles 36 adapted to both sides of the mesh conveyor belt 33. The transmission shaft 32 is used to drive the mesh conveyor belt 33. The mesh conveyor belt 33 is a special conveyor belt, which avoids the possible falling problem of the pea seedlings during the transmission process and ensures the cleaning of the dead angle of the pea seedlings during the cleaning process. When the pea seedlings are cleaned by the traditional conveyor belt type cleaning device, the lower surface of the pea seedlings will be attached to the conveyor belt, resulting in that the part attached to the conveyor belt cannot be brushed and cleaned. In addition, the pea seedlings are slender in shape. In order to avoid the pea seedlings from falling during the transmission, the conveyor belt is designed as a metal mesh. The bearing seats 35 are arranged at multiple positions on both sides of the support housings 31. The bearing seats 35 at both ends are arranged as long holes for adjustment, which facilitates the installation and adjustment of the mesh conveyor belt 33. The cover baffles 36 arranged on both sides of the mesh conveyor belt 33 can limit and guide both sides of the mesh conveyor belt 33 and prevent the pea seedlings on the mesh conveyor belt 33 from falling and being stuck during the transmission process.

[0041] An optional embodiment: the transmission shaft 32 is fixedly provided with a gear disc 34 on both sides, and the mesh conveyor belt 33 is provided with a transmission chain adapted to the gear disc 34, which can be arranged as a wheel belt type transmission. One end is arranged as a driving shaft connected to the motor through a shaft coupling. The transmission device 3 further comprises a self-speed adjusting module and a cleaning condition detection module. The self-speed adjusting module is used to automatically adjust the conveying speed according to the working state of the cleaning equipment. For example, during the preliminary cleaning stage of the vegetables, the conveying speed can be appropriately accelerated to reduce the cleaning time. When entering the fine cleaning stage, the speed can be appropriately reduced to ensure that the cleaning liquid completely covers the pea seedlings. The cleaning condition detection module is further provided with an intelligent sensor, which can detect the cleaning condition of the pea seedlings in real time and flexibly adjust the conveying speed according to the need, so as to realize more intelligent operation.

[0042] An optional embodiment: as shown in FIG. 6, the transmission device 3 comprises a mesh conveyor belt 33, support housings 31 symmetrically arranged on both sides of the mesh conveyor belt 33, a transmission shaft 32 rotatably connected to the support housings 31 through bearing seats 35, and a motor 15 arranged on one side of the frame body 11 for driving the transmission shaft 32 to rotate. Upper ends of the two support housings 31 are provided with cover baffles 36 adapted to both sides of the mesh conveyor belt 33. The transmission shaft 32 is used to drive the mesh conveyor belt 33. The mesh conveyor belt 33 is a special conveyor belt, which avoids the possible falling problem of the pea seedlings during the transmission process and ensures the cleaning of the dead angle of the pea seedlings during the cleaning process. When the pea seedlings are cleaned by the traditional conveyor belt type cleaning device, the lower surface of the pea seedlings will be attached to the conveyor belt, resulting in that the part attached to the conveyor belt cannot be brushed and cleaned. In addition, the pea seedlings are slender in shape. In order to avoid the pea seedlings from falling during the transmission, the conveyor belt is designed as a metal mesh. The bearing seats 35 are arranged at multiple positions on both sides of the support housings 31. The bearing seats 35 at both ends are arranged as long holes for adjustment, which facilitates the installation and adjustment of the mesh conveyor belt 33. The cover baffles 36 arranged on both sides of the mesh conveyor belt 33 can limit and guide both sides of the mesh conveyor belt 33 and prevent the pea seedlings on the mesh conveyor belt 33 from falling and being stuck during the transmission process. Figures 1-3As shown in Figure 7, the cleaning device 4 includes a water inlet pipe 41 symmetrically arranged on the top of the frame 11, a water outlet pipe 42 arranged on the water inlet pipe 41 at intervals, a liquid distribution tank 45 arranged on one side of the frame 11, and a water pipe 44 connecting the water inlet pipe 41 and the liquid distribution tank 45. The water outlet pipe 42 is provided with a plurality of nozzles 43, and the bottom of the liquid distribution tank 45 is provided with a drainage structure 47, which can be a drainage valve; the nozzle 43 is used to spray the prepared cleaning liquid on the pea seedlings, which can make the pea seedlings clean more thoroughly; the water pipe 44, the water inlet pipe 41 and the water outlet pipe 42 are used to transport the prepared cleaning liquid to the nozzle .... One side of the nozzle 43 is connected to the water pipe 44, and one side of the upper part of the liquid distribution tank 45 is fixedly connected to the frame 11; the cleaning liquid used in the cleaning process is prepared by the liquid distribution tank 45, which reasonably mixes materials such as food-grade hydrogen peroxide, food-grade acetic acid and food-grade citric acid, with the purpose of simultaneously achieving sterilization and disinfection and removing pesticide residues on the surface of fruits and vegetables; the nozzles 43 are evenly distributed on the water outlet pipe 42 according to a certain layout density, and the size, nozzle shape and position of each nozzle 42 have been precisely designed to ensure that the cleaning liquid can be evenly sprayed to every corner of the pea seedlings, thereby comprehensively improving the cleaning quality of the pea seedlings.

[0043] In an optional embodiment, a booster pump 46 is further provided on the water delivery pipe 44, and a quick-release lock 48 is further provided at the end of the water inlet pipe 41. The booster pump 46 is fixedly connected to a side surface of the frame 11 via a connecting socket and is used to increase the pressure and flow of the cleaning liquid so that the cleaning liquid can have sufficient energy to be sprayed from the nozzle. The quick-release lock 48 can effectively and quickly empty the cleaning liquid in the cleaning device. Once the cleaning process is completed, the operator can quickly empty the remaining cleaning liquid by using the quick-release lock 48 without waiting for additional time.

[0044] An optional implementation method: Figures 1-3, 7, the air injection device 5, including the bottom of the fixed frame 11 side of the blower 51, the bottom of the water tank 12, the transmission device 3 below the wind rack assembly 53 and the air inlet pipe 52 connecting the wind rack assembly 53 and the blower 51, the air inlet pipe 52 from the rear side of the water tank 12 into the water tank 12 and connected with the wind rack assembly 53, the wind rack assembly 53 is longitudinally and transversely provided with a plurality of communicating exhaust pipes 54, and a plurality of exhaust nozzles are arranged on the exhaust pipes 54; the blower 51 is used to generate airflow that can drive the pea seedlings to overturn, thereby realizing cleaning of the dead angle of the pea seedlings; the air inlet pipe 52 is used to deliver the airflow into the exhaust pipe 54 of the wind rack assembly 53; the exhaust pipe 54 is used to uniformly distribute the airflow into the exhaust nozzle; the exhaust nozzle makes the airflow uniformly sprayed from the lower surface of the pea seedlings, and the pea seedlings are subjected to air drying treatment; this process not only can further clean the dead angle of the pea seedlings, but also helps to remove excess moisture on the surface of the pea seedlings, which is beneficial to subsequent preservation and cooking; the outer side of the wind rack assembly 53 is further provided with a support connecting block 55 abutting against the conical side of the conical water bottom 121 at the bottom of the water tank 12 to ensure that a water collection space is left between the conical water bottom 121 and the upper side of the conical water bottom 121.

[0045] An optional embodiment: as shown in Figures 1-3 the controller 2 is installed on one side of the rack, used to control the start and stop of the cleaning device; the controller 2 is electrically connected with the transmission device 3, the cleaning device 4, the air injection device 5 and the protection system; the protection system, when the misoperation such as rapid start and stop, parameter setting error and other behaviors that may cause damage to the equipment are identified, the automatic misoperation protection system will filter the abnormal behaviors, protecting the equipment from potential damage; in addition, the protection system also includes overload protection and overheat protection functions, which can monitor the working state of the equipment in real time, and if it is found that the equipment is running overload or the temperature is too high, the system will automatically cut off the power supply to prevent serious faults.

[0046] An optional embodiment: the controller 2 also contains a preset cleaning mode selection module, which is used to select appropriate cleaning modes according to different situations, such as "quick cleaning", "deep cleaning", "energy-saving cleaning" and the like;

[0047] An optional embodiment: the controller 2 also contains a self-defined cleaning module, which is used to self-define settings such as the proportion of cleaning liquid, cleaning time and the speed of the mesh conveyor belt, to realize individualized regulation and control and achieve the most ideal cleaning effect.

[0048] An optional embodiment: the controller 2 also contains a memory module, which is used to remember the user's recent usage habits for the next time of use.

[0049] An optional implementation: the controller 2 further comprises a display module, which is used for displaying various working states in real time; for example, various working states of the pea seedling cleaning device, such as cleaning progress, cleaning time, concentration of cleaning liquid and other key information; data generated by the device can also be uploaded to a user device through WiFi connection, so as to facilitate remote control of the user and improve the intelligent degree of the device.

[0050] The above series of detailed descriptions are only specific descriptions of the feasible implementation of the utility model, but the utility model is not limited to the above implementation, and any obvious improvement, replacement or modification made by the person skilled in the art without departing from the essential content of the utility model belongs to the protection scope of the utility model.

Claims

1. A pea seedling automatic cleaning device, characterized in that: It comprises a frame (1), a transmission device (3), a cleaning device (4) and an air injection device (5); The frame (1) comprises a frame body (11), a water trough (12) mounted on the frame body (11), and an input portion (13) and an output portion (14) mounted on the frame body (11) and connected to both ends of the water trough (12); The transmission device (3) is arranged in the inner cavity of the water trough (12) and extends above the output part (14), and is used to transport the pea seedlings from the input part (13) to the discharge port of the output part (14); The cleaning device (4) is arranged on the frame (1) above the transmission device (3) and sprays and rinses the pea seedlings transported on the transmission device (3); The air jet device (5) is arranged in the inner cavity of the water trough (12) and below the transmission device (3), and pneumatically flips the pea seedlings on the transmission device (3).

2. The automatic pea seedling cleaning device according to claim 1, characterized in that: The water accumulation trough (12) comprises: a conical water accumulation bottom (121) and supporting side plates (122) symmetrically arranged on both sides of the conical water accumulation bottom (121); the top of the supporting side plates (122) is provided with an outward-turned flange (124) adapted to be connected to the top of the frame (11); transition support steps (123) are provided between the supporting side plates (122) and both sides of the conical water accumulation bottom (121); the transition support steps (123) are adapted to support the transmission device (3); drain outlets (125) are provided at both ends of the conical water accumulation bottom (121) near the bottom surface; the drain outlets (125) are externally connected to the drain valve (16).

3. The automatic pea seedling cleaning device according to claim 1, characterized in that: The transmission device (3) comprises a mesh conveyor belt (33), a support shell (31) symmetrically arranged on both sides of the mesh conveyor belt (33), a transmission shaft (32) rotatably connected to the support shell (31) through a bearing seat (35), and a motor (15) arranged on one side of the frame (11) for driving the transmission shaft (32) to rotate, and the upper ends of the two support shells (31) are provided with cover baffles (36) adapted to the two sides of the mesh conveyor belt (33).

4. The automatic pea seedling cleaning device according to claim 3, characterized in that: The transmission shaft (32) is provided with toothed discs (34) on both sides thereof, which are adapted to transmit transmission to the transmission chains provided on both sides of the mesh conveyor belt (33). The transmission device (3) further comprises a self-adjusting module and a cleaning condition detection module. The self-adjusting module is used to automatically adjust the transmission speed according to the working state of the cleaning device; the cleaning condition detection module is used to detect the cleaning condition of the pea seedlings in real time and flexibly adjust the transmission speed according to the needs.

5. The automatic pea seedling cleaning device according to claim 1, characterized in that: The cleaning device (4) comprises a water inlet pipe (41) symmetrically arranged on the top of the frame (11), a water outlet pipe (42) spaced and connected to the water inlet pipe (41), a liquid distribution tank (45) arranged on one side of the frame (11), and a water supply pipe (44) connecting the water inlet pipe (41) and the liquid distribution tank (45), wherein the water outlet pipe (42) is provided with a plurality of nozzles (43), and the bottom of the liquid distribution tank (45) is provided with a drainage structure (47).

6. The automatic pea seedling cleaning device according to claim 5, characterized in that: The water delivery pipe (44) is also provided with a booster pump (46), and the end of the water inlet pipe (41) is also provided with a quick release lock (48).

7. The automatic pea seedling cleaning device according to claim 1, characterized in that: The jet device (5) comprises a blower (51) fixed at the bottom of one side of the frame (11), a wind frame assembly (53) mounted at the bottom of the water trough (12) and below the transmission device (3), and an air inlet pipe (52) connecting the wind frame assembly (53) and the blower (51), a plurality of exhaust pipes (54) communicating with each other are arranged vertically and horizontally on the wind frame assembly (53), and a plurality of exhaust nozzles are arranged at intervals on the exhaust pipe (54).

8. The automatic pea seedling cleaning device according to claim 7, characterized in that: The wind frame assembly (53) is further provided with a support connection block (55) on the outside thereof for abutting and supporting the conical side surface of the conical water accumulation bottom (121) at the bottom of the water accumulation trough (12).

9. The automatic pea seedling cleaning device according to any one of claims 1 to 8, characterized in that: The device further comprises a controller (2) and a protection system arranged on one side of the frame (1), wherein the controller (2) is electrically connected to the transmission device (3), the cleaning device (4), the jet device (5) and the protection system respectively; the protection system is used to identify abnormal behaviors such as misoperation and missetting of parameters, overload and overheating of the equipment and perform filtering processing to protect the equipment from potential damage.

10. The automatic pea seedling cleaning device according to claim 9, characterized in that: The controller (2) further comprises a preset cleaning mode selection module, a custom cleaning module, a display module, a memory module and a remote control module. The preset cleaning mode selection module is used to select an appropriate cleaning mode according to different situations; the custom cleaning module is used to set the proportion of cleaning liquid, cleaning time and the speed of the mesh conveyor belt, etc., to achieve personalized regulation and achieve the most ideal cleaning effect; the display module is used to display various working states in real time; the memory module is used to memorize the user's recent usage habits to facilitate the user's next use; and the remote control module uploads the data generated by the device to the user's device by connecting to WiFi.

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