An eggplant picking, weighing and stacking device

Abstract

The present invention relates to the technical field of agricultural devices, and provides an eggplant picking, weight-sorting and stacking device, which includes a housing and a picking module. Inside the housing, a weight-sorting module, a conveying module and a storage module are continuously arranged. An opening is provided at the upper end of the housing of the weight-sorting module, and the picking module is arranged outside the housing. The beneficial effects of the present invention are as follows: It realizes the full-process automated operation from picking to weight-sorting, conveying and storage. The picking module picks eggplants through the cooperation of a robotic arm, scissors and grippers, reducing the labor intensity and time cost of manual picking. The weight-sorting module automatically judges the weight of the eggplants and adjusts the direction of the weight-sorting track through the intelligent control of gravity sensors and lifting limit blocks, ensuring that the eggplants are classified by weight. The conveying module realizes the efficient conveying of eggplants through the coordinated work of the left conveying plate and the right conveying plate. The storage module automatically stores the eggplants in the corresponding storage boxes according to their classification.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural devices, and particularly relates to an eggplant picking, weight-sorting and stacking device. Background Art

[0002] As an important achievement of modern agricultural technology, the eggplant picking device represents the latest progress of precision agriculture technology in the field of fruit and vegetable harvesting. This device integrates advanced sensing technology, intelligent control and precision mechanical systems, aiming to achieve the full automation of eggplant harvesting operations. Through multi-modal sensor fusion technology, it can obtain field environment information and fruit growth data in real time, make target recognition and picking decisions through intelligent control, and finally complete the harvesting action by a high-precision mechanical actuator.

[0003] This highly integrated intelligent picking device not only greatly improves the efficiency of eggplant harvesting, but also provides a replicable technical paradigm for the full intelligence of facility agriculture, promoting the transformation and upgrading of agricultural production methods towards precision and intelligence. With the continuous progress of technology and the expansion of application scenarios, such intelligent picking devices will play an increasingly important role in the development of modern agriculture.

[0004] However, the eggplant picking devices currently on the market generally have the problem of single function. Most devices can only complete the picking action and lack the ability to automatically process the fruits after picking. The picked eggplants need to be sorted, weighed and stacked manually, which not only increases the labor cost, but also easily causes secondary damage to the fruits. Especially in large-scale planting scenarios, the disconnection of the picking, sorting, packaging and other links seriously restricts the overall operation efficiency.

[0005] The patent with the publication number CN205658029U provides an eggplant picker. By using a graphic capture device to identify eggplants, it can accurately find the position of the eggplants for picking. When picking the eggplants, a cutter is used to operate, reducing the damage to the eggplant plants. However, it cannot achieve the sub-packaging of eggplants according to weight, so as to achieve the efficient stacking of eggplants. Summary of the Invention

[0006] The present invention solves the problem that the current eggplant picking device cannot achieve the sub-packaging of eggplants according to weight, so as to achieve the efficient stacking of eggplants.

[0007] The present invention provides an eggplant picking, weight-sorting and stacking device, which includes a housing and a picking module. Inside the housing, a weight-sorting module, a conveying module and a storage module are continuously arranged. An opening is provided at the upper end of the housing of the weight-sorting module, and the picking module is arranged outside the housing;

[0008] The weight-sorting module includes a weight-sorting track, a first baffle, and a leftward track and a rightward track arranged vertically up and down; the starting ends of the leftward track and the rightward track are vertically arranged up and down, and the ending ends lead to the left side and the right side respectively; one end of the weight-sorting track is hinged to the housing, and the other end is provided with a first extension plate that overlaps with the starting end of the leftward track; the first baffle is arranged in the middle of the weight-sorting track, a first telescopic base is arranged below the weight-sorting track, a gravity sensor is arranged on the weight-sorting track in front of the first baffle, and a lifting limit block is arranged on the weight-sorting track behind the first baffle. The gravity sensor is electrically connected to the first extension plate and the lifting limit block;

[0009] When the gravity sensor exceeds the gravity threshold, the first extension plate retracts, the weight-sorting track drops to the upper end of the first telescopic base and overlaps with the rightward track, and then the lifting limit block descends and the first baffle opens; after one conveying is completed, the first telescopic base extends to reset the weight-sorting track;

[0010] The conveying module includes a left conveying plate and a right conveying plate arranged left and right, a partition plate is arranged between the left conveying plate and the right conveying plate, the starting end of the left conveying plate overlaps with the leftward track, and the starting end of the right conveying plate overlaps with the rightward track; a second baffle that can be opened and closed is arranged at the ending end of the left conveying plate, and a third baffle that can be opened and closed is arranged at the ending end of the right conveying plate;

[0011] The storage module includes a small eggplant storage box and a large eggplant storage box arranged left and right.

[0012] As a preferred solution, the picking module is arranged at the top of the housing and includes a robotic arm, scissors, a gripper, a rotating base, and an annular slide rail. The scissors and the gripper are vertically arranged at the top of the robotic arm, the bottom end of the robotic arm is fixedly connected to the rotating base, and the rotating base is slidably arranged on the annular slide rail.

[0013] As a preferred solution, a connecting hose is arranged in the hole, the upper end of the connecting hose is arranged at the picking module, and the lower end of the connecting hose is arranged at the starting end of the weight-sorting track.

[0014] As a preferred solution, the leftward track is provided with a second extension plate that overlaps with the left conveying plate, and a second telescopic base is arranged below it; the rightward track is provided with a third extension plate that overlaps with the right conveying plate, and a third telescopic base is arranged below it;

[0015] The left conveying plate includes an upper left conveying plate and a lower left conveying plate, the right conveying plate includes an upper right conveying plate and a lower right conveying plate, the upper left conveying plate and the upper right conveying plate are provided with gravity sensors and are respectively electrically connected to the second telescopic base and the third telescopic base;

[0016] When the load on the upper left conveying plate and the upper right conveying plate exceeds the threshold, the second extension plate and the third extension plate retract, the leftward track and the rightward track respectively drop to the upper ends of the second telescopic base and the third telescopic base and respectively overlap with the lower left conveying plate and the lower right conveying plate;

[0017] As a preferred solution, a first cylinder and a second cylinder are arranged above the second baffle and the third baffle. A cylinder connecting plate is fixedly arranged at the lower ends of the first cylinder and the second cylinder. Rotating shafts are provided at the upper ends of the second baffle and the third baffle to rotatably connect to the housing. Ring-shaped buckles are arranged at the front ends of the rotating shafts. Protrusions are arranged on the side surface of the cylinder connecting plate to cooperate with the ring-shaped buckles. The cylinder pushes the cylinder connecting plate, and the protrusions drive the baffle to rotate around the rotating shaft through the ring-shaped buckles to achieve opening and closing.

[0018] As a preferred solution, lead screw motors are arranged at the bottoms of the weight-sorting track, the leftward track, and the rightward track to drive lead screws. Nut sleeves are fixedly arranged at the bottoms of the first extension plate, the second extension plate, and the third extension plate and sleeved outside the lead screws. The extension plates move as the lead screws rotate.

[0019] As a preferred solution, the storage module is separately arranged, and crawler wheels are arranged at the bottom end of the housing.

[0020] As a preferred solution, a trigger is arranged at the front end of the housing, and a pressure sensor cooperating with the trigger is arranged on the side surface of the storage module and electrically connected to the first cylinder and the second cylinder.

[0021] As a preferred solution, a mechanical gripper is arranged at the front end of the weight-sorting track and electrically connected to the gravity sensor of the weight-sorting track. After the eggplant falls onto the weight-sorting track, the mechanical gripper corrects the position of the eggplant.

[0022] As a preferred solution, the storage module includes a left front storage box, a left rear storage box, a right front storage box, and a right rear storage box; a first connecting plate is arranged on the left front storage box to connect to the lower left transport plate, a second connecting plate is arranged on the left rear storage box to connect to the upper left transport plate, a third connecting plate is arranged on the right front storage box to connect to the lower right transport plate, and a fourth connecting plate is arranged on the right rear storage box to connect to the upper right transport plate.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The present invention realizes the full-process automated operation from picking to weight-sorting, conveying, and storage. The picking module picks the eggplants through the cooperation of the robotic arm, scissors, and gripper, reducing the labor intensity and time cost of manual picking. The weight-sorting module automatically judges the weight of the eggplants and adjusts the direction of the weight-sorting track through the intelligent control of the gravity sensor and the lifting limit block to ensure the classification of the eggplants by weight. The conveying module realizes the efficient conveying of the eggplants through the coordinated work of the left transport plate and the right transport plate, combined with the second baffle and the third baffle that can be opened and closed. The storage module automatically stores the eggplants into the corresponding storage boxes according to the classification. The entire process requires no manual intervention, significantly improving the operation efficiency, and is especially suitable for the picking and sorting operations of large-scale eggplant plantations.

[0025] 2. The present invention realizes automatic weight distribution of eggplants through the coordinated work of the gravity sensor and the weight distribution track. When the eggplant enters the weight distribution track through the connecting hose, the gravity sensor will detect the weight of the eggplant in real time. If the weight of the eggplant exceeds the preset threshold, the first extension plate will automatically retract, and the weight distribution track will fall to the upper end of the first telescopic base and overlap with the right track to transport the eggplant to the large eggplant storage box; if the weight of the eggplant does not exceed the threshold, the eggplant will be transported to the small eggplant storage box through the left track. This intelligent weight distribution mechanism not only improves the sorting efficiency, but also avoids the errors that may occur in manual sorting, ensuring the accuracy of eggplant classification.

[0026] 3. The transport board of the present invention can be set to two or more layers. The upper left transport board and the upper right transport board are equipped with gravity sensors, which can monitor the load situation during transportation in real time. When the load exceeds the threshold, the second extension board and the third extension board will automatically retract, and the left track and the right track will fall to the upper end of the second telescopic base and the third telescopic base respectively, and overlap with the lower left transport board and the lower right transport board, ensuring that the eggplants can be doubled stored without exceeding the transport board load. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

[0028] Figure 1 It is a structural schematic diagram of the present invention.

[0029] Figure 2 It is a structural schematic diagram of the internal structure of the present invention.

[0030] Figure 3 It is a structural schematic diagram of the internal structure of the present invention from another angle.

[0031] Figure 4 It is a schematic diagram of the bottom structure of the extension plate of the present invention.

[0032] Figure 5 It is a structural schematic diagram of the third baffle linkage structure of the present invention.

[0033] The reference numerals in the accompanying drawings are:

[0034] 1. Picking module; 11. Robotic arm; 12. Scissors; 13. Gripper; 14. Rotary base; 15. Ring-shaped slide rail; 2. Weight-sorting module; 21. Weight-sorting track; 22. First baffle; 23. Leftward track; 231. Second extension plate; 24. Rightward track; 241. Third extension plate; 25. First extension plate; 26. First telescopic base; 27. Lifting limit block; 28. Second telescopic base; 29. Third telescopic base; 210. Lead screw motor; 211. Lead screw; 212. Nut; 3. Conveyor module; 31. Left conveyor plate; 311. Upper left conveyor plate; 312. Lower left conveyor plate; 32. Right conveyor plate; 321. Upper right conveyor plate; 322. Lower right conveyor plate; 33. Second baffle; 34. Third baffle; 35. First cylinder; 36. Second cylinder; 37. Rotating shaft; 38. Ring-shaped buckle; 39. Cylinder connecting plate; 391. Protrusion; 4. Storage module; 41. Left front storage box; 42. Left rear storage box; 43. Right front storage box; 44. Right rear storage box; 45. First connecting plate; 46. Second connecting plate; 47. Third connecting plate; 48. Fourth connecting plate; 5. Connecting hose; 6. Track wheel; 7. Trigger; 8. Mechanical gripper; 9. Partition board. Detailed implementation manners

[0035] To illustrate the features of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0036] Embodiment:

[0037] Please refer to Figures 1 to 5 , an eggplant picking, weight-sorting and stacking device provided by an embodiment of the present invention includes a housing and a picking module 1. A weight-sorting module 2, a conveyor module 3 and a storage module 4 are continuously arranged inside the housing. An opening is provided at the upper end of the housing of the weight-sorting module 2, and the picking module 1 is arranged outside the housing; the picking module 1 is arranged at the top of the housing and includes a robotic arm 11, scissors 12, a gripper 13, a rotary base 14 and a ring-shaped slide rail 15. The scissors 12 and the gripper 13 are vertically arranged at the top of the robotic arm 11. The bottom end of the robotic arm 11 is fixedly connected to the rotary base 14, and the rotary base 14 is slidably arranged on the ring-shaped slide rail 15. A connecting hose 5 is arranged inside the opening. The upper end of the connecting hose 5 is arranged at the picking module 1, and the lower end of the connecting hose 5 is arranged at the starting end of the weight-sorting module 2.

[0038] The weight-sorting module 2 includes a weight-sorting track 21, a first baffle 22, and a leftward track 23 and a rightward track 24 arranged vertically up and down; the starting ends of the leftward track 23 and the rightward track 24 are vertically arranged up and down, and the ending ends lead to the left side and the right side respectively; one end of the weight-sorting track 21 is hinged to the housing, and the other end is provided with a first extension plate 25 that overlaps with the starting end of the leftward track 23; the first baffle 22 is arranged in the middle of the weight-sorting track 21, a first telescopic base 26 is arranged below the weight-sorting track 21, a gravity sensor is arranged on the weight-sorting track 21 in front of the first baffle 22, and a lifting limit block 27 is arranged on the weight-sorting track 21 behind the first baffle 22. The gravity sensor is electrically connected to the first extension plate 25 and the lifting limit block 27; in addition, in this embodiment, a mechanical gripper 8 is arranged at the front end of the weight-sorting track 21 and is electrically connected to the gravity sensor of the weight-sorting track 21. After the eggplant falls onto the weight-sorting track 21, the mechanical gripper 8 corrects the position of the eggplant.

[0039] When the gravity sensor exceeds the gravity threshold, the first extension plate 25 retracts, the weight-sorting track 21 drops to the upper end of the first telescopic base 26 and overlaps with the rightward track 24. Subsequently, the lifting limit block 27 descends and the first baffle 22 opens; after one conveying is completed, the first telescopic base 26 extends to reset the weight-sorting track 21; through the coordinated work of the gravity sensor and the weight-sorting track, the automatic weight-sorting of the eggplants is realized. This intelligent weight-sorting mechanism not only improves the sorting efficiency but also avoids the errors that may occur in manual sorting, ensuring the accuracy of eggplant classification.

[0040] The conveying module 3 includes a left conveying plate 31 and a right conveying plate 32 arranged left and right. A partition plate 9 is arranged between the left conveying plate 31 and the right conveying plate 32. The starting end of the left conveying plate 31 overlaps with the leftward track 23, and the starting end of the right conveying plate 32 overlaps with the rightward track 24; a second baffle 33 that can be opened and closed is arranged at the ending end of the left conveying plate 31, and a third baffle 34 that can be opened and closed is arranged at the ending end of the right conveying plate 32; a first air cylinder 35 and a second air cylinder 36 are arranged above the second baffle 33 and the third baffle 34. The lower ends of the first air cylinder 35 and the second air cylinder 36 are fixedly provided with an air cylinder connecting plate 39. Rotating shafts 37 are arranged at the upper ends of the second baffle 33 and the third baffle 34 and are rotatably connected to the housing. Ring-shaped buckles 38 are arranged at the front ends of the rotating shafts 37. A protrusion 391 is arranged on the side surface of the air cylinder connecting plate 39 to cooperate with the ring-shaped buckle 38. The air cylinder pushes the air cylinder connecting plate 39, and the protrusion 391 drives the baffle to rotate around the rotating shaft 37 through the ring-shaped buckle 38 to realize opening and closing. Specifically, the leftward track 23 is provided with a second extension plate 231 that overlaps with the left conveying plate 31, and a second telescopic base 28 is arranged below; the rightward track 24 is provided with a third extension plate 241 that overlaps with the right conveying plate 32, and a third telescopic base 29 is arranged below;

[0041] The storage module 4 includes a small eggplant storage box and a large eggplant storage box arranged left and right. In this embodiment, the storage module 4 is separately arranged. The bottom end of the outer shell is provided with crawler wheels 6, and a trigger 7 is arranged at the front end of the outer shell. A pressure sensor cooperating with the trigger is arranged on the side of the storage module 4 and is electrically connected to the first cylinder 35 and the second cylinder 36.

[0042] Specifically, in this embodiment, the transport plate is designed with two layers. Specifically, the left transport plate 31 includes an upper left transport plate 311 and a lower left transport plate 312, and the right transport plate 32 includes an upper right transport plate 321 and a lower right transport plate 322. Gravity sensors are provided on the upper left transport plate 311 and the upper right transport plate 321 and are respectively electrically connected to the second telescopic base 28 and the third telescopic base 29.

[0043] At the beginning, loading will be carried out on the upper layer first. When the load on the upper left transport plate 311 and the upper right transport plate 321 exceeds the threshold, the second extension plate 231 and the third extension plate 241 retract, and the left track 23 and the right track 24 respectively fall to the upper ends of the second telescopic base 28 and the third telescopic base 29 and are respectively lapped with the lower left transport plate 312 and the lower right transport plate 322. Subsequently, loading is carried out on the lower layer to ensure that the eggplants can be stored in double without exceeding the load of the transport plate.

[0044] The storage module 4 is also specially designed for the double-layer setting. Specifically, it includes a left front storage box 41, a left rear storage box 42, a right front storage box 43 and a right rear storage box 44; a first connecting plate 45 is arranged on the left front storage box 41 to connect the lower left transport plate 312, a second connecting plate 46 is arranged on the left rear storage box 42 to connect the upper left transport plate 311, a third connecting plate 47 is arranged on the right front storage box 43 to connect the lower right transport plate 322, and a fourth connecting plate 48 is arranged on the right rear storage box 44 to connect the upper right transport plate 321, so as to realize separate storage according to the weight and layering of the eggplants.

[0045] It should be specially noted that a lead screw motor 210 is arranged at the bottom of the weight separation track 21, the left track 23 and the right track 24 to drive the lead screw 211. Nuts 212 are fixedly arranged at the bottom of the first extension plate 25, the second extension plate 231 and the third extension plate 241 and are sleeved outside the lead screw. The extension plates move with the rotation of the lead screw to realize the extension of the extension plates.

[0046] This embodiment realizes the full - process automated operation from picking to weighing, conveying, and storing. The picking module picks eggplants through the cooperation of a robotic arm, scissors, and grippers, reducing the labor intensity and time cost of manual picking. The weighing module automatically determines the weight of the eggplants and adjusts the direction of the weighing track through the intelligent control of gravity sensors and lifting limit blocks to ensure the classification of eggplants by weight. The conveying module realizes the efficient conveying of eggplants through the coordinated work of the left conveying plate and the right conveying plate, combined with the second baffle and the third baffle that can be opened and closed. The storage module automatically stores the eggplants in the corresponding storage boxes according to their classification. The entire process requires no manual intervention, significantly improving the operation efficiency, and is especially suitable for the picking and sorting operations in large - scale eggplant plantations.

[0047] The above - mentioned embodiments and accompanying drawings are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. The present invention has been described in detail with reference to the preferred embodiments. Those of ordinary skill in the art should understand that any changes, modifications, additions, or substitutions made by those of ordinary skill in the art within the scope of the essence of the present invention do not depart from the purpose of the present invention and should also fall within the protection scope of the claims of the present invention. Other related technical structures not exhaustively disclosed in the present invention are the prior art in this field.

Claims

1. An eggplant picking, weighting and stacking device, comprising a housing and a picking module (1), characterized in that: A weight separation module (2), a conveying module (3) and a storage module (4) are continuously arranged in the outer shell, a hole is provided at the upper end of the outer shell of the weight separation module (2), and the picking module (1) is arranged outside the outer shell; The weight distribution module (2) comprises a weight distribution track (21), a first baffle (22), and a left-hand track (23) and a right-hand track (24) arranged vertically in the upper and lower parts; the starting ends of the left-hand track (23) and the right-hand track (24) are arranged vertically in the upper and lower parts, and the terminal ends lead to the left and right sides respectively; one end of the weight distribution track (21) is hinged to the housing, and the other end is provided with a first extension plate (25) overlapping the starting end of the left-hand track (23); the first baffle (22) is arranged in the middle of the weight distribution track (21), a first telescopic base (26) is arranged below the weight distribution track (21), a gravity sensor is arranged on the weight distribution track (21) in front of the first baffle (22), and a lifting limit block (27) is arranged on the weight distribution track (21) behind the first baffle (22), and the gravity sensor is electrically connected to the first extension plate (25) and the lifting limit block (27); When the gravity sensor exceeds the gravity threshold, the first extension plate (25) is retracted, the weight distribution track (21) falls to the upper end of the first telescopic base (26) and overlaps with the right track (24), and then the lifting limit block (27) descends and the first baffle (22) opens; after completing one conveying, the first telescopic base (26) is extended to reset the weight distribution track (21); The conveying module (3) comprises a left transport plate (31) and a right transport plate (32) arranged on the left and right sides, a partition plate (9) being arranged between the left transport plate (31) and the right transport plate (32), the starting end of the left transport plate (31) being overlapped with the left track (23), and the starting end of the right transport plate (32) being overlapped with the right track (24); the terminal end of the left transport plate (31) being provided with an openable second baffle plate (33), and the terminal end of the right transport plate (32) being provided with an openable third baffle plate (34); The left track (23) is provided with a second extension plate (231) overlapping the left transport plate (31), and a second telescopic base (28) is provided below; the right track (24) is provided with a third extension plate (241) overlapping the right transport plate (32), and a third telescopic base (29) is provided below; The left transport plate (31) comprises an upper left transport plate (311) and a lower left transport plate (312); the right transport plate (32) comprises an upper right transport plate (321) and a lower right transport plate (322); the upper left transport plate (311) and the upper right transport plate (321) are provided with gravity sensors and are electrically connected to the second telescopic base (28) and the third telescopic base (29), respectively; When the loads of the upper left transport plate (311) and the upper right transport plate (321) exceed a threshold value, the second extension plate (231) and the third extension plate (241) are retracted, and the left track (23) and the right track (24) respectively fall to the upper ends of the second telescopic base (28) and the third telescopic base (29) and overlap the lower left transport plate (312) and the lower right transport plate (322) respectively; The storage module (4) comprises a small eggplant storage box and a large eggplant storage box arranged on the left and right.

2. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: The picking module (1) is arranged at the top of the housing, and comprises a mechanical arm (11), a pair of scissors (12), a clamping claw (13), a rotating base (14) and an annular slide rail (15); the scissors (12) and the clamping claw (13) are arranged vertically on the top of the mechanical arm (11); the bottom of the mechanical arm (11) is fixedly connected to the rotating base (14); and the rotating base (14) is slidably arranged on the annular slide rail (15).

3. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: A connecting hose (5) is provided in the hole, the upper end of the connecting hose (5) is arranged at the picking module (1), and the lower end of the connecting hose (5) is arranged at the starting end of the weight distribution track (21).

4. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: A first cylinder (35) and a second cylinder (36) are arranged above the second baffle plate (33) and the third baffle plate (34); a cylinder connecting plate (39) is fixedly arranged at the lower ends of the first cylinder (35) and the second cylinder (36); a rotating shaft (37) is arranged at the upper ends of the second baffle plate (33) and the third baffle plate (34) for rotationally connecting to the housing; a ring-shaped buckle (38) is arranged at the front end of the rotating shaft (37); a protrusion (391) is arranged on the side of the cylinder connecting plate (39) for cooperating with the ring-shaped buckle (38); the cylinder pushes the cylinder connecting plate (39); and the protrusion (391) drives the baffle plate to rotate around the rotating shaft (37) through the ring-shaped buckle (38) to realize opening and closing.

5. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: A lead screw motor (210) is arranged at the bottom of the weight-dividing track (21), the left track (23) and the right track (24) to drive a lead screw (211); nuts (212) are fixedly arranged at the bottom of the first extension plate (25), the second extension plate (231) and the third extension plate (241) and sleeved on the outside of the lead screw; the extension plates move as the lead screw rotates.

6. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: The storage module (4) is arranged in a split form, and a track wheel (6) is arranged at the bottom end of the shell.

7. The eggplant picking, weighting and stacking device according to claim 6, characterized in that: A trigger (7) is provided at the front end of the housing, and a pressure sensor matching the trigger is provided at the side of the storage module (4) and electrically connected to the first cylinder (35) and the second cylinder (36).

8. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: A mechanical gripper (8) is provided at the front end of the weight distribution track (21) and is electrically connected to a gravity sensor of the weight distribution track (21). After the eggplant falls onto the weight distribution track (21), the mechanical gripper (8) corrects the position of the eggplant.

9. The eggplant picking, weighting and stacking device according to claim 1, characterized in that: The storage module (4) comprises a left front storage box (41), a left rear storage box (42), a right front storage box (43) and a right rear storage box (44); the left front storage box (41) is provided with a first connecting plate (45) connected to a left lower transport plate (312), the left rear storage box (42) is provided with a second connecting plate (46) connected to a left upper transport plate (311), the right front storage box (43) is provided with a third connecting plate (47) connected to a right lower transport plate (322), and the right rear storage box (44) is provided with a fourth connecting plate (48) connected to a right upper transport plate (321).

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