Integrated asparagus lettuce planting and harvesting device

By designing an integrated lettuce planting and harvesting device, the problem of lack of leaf removal and packing functions during lettuce harvesting in the prior art is solved, and automated planting is realized, improving the quality and planting efficiency of lettuce.

CN222869449UActive Publication Date: 2025-05-16WANJIANG INST OF TECH
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Patent Information

Application Number
CN202421779295.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-16
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing lettuce harvesting devices lack the function of removing leaves and packing when harvesting lettuce, resulting in damage to lettuce and affecting quality; while the existing seeders have poor adaptability to soil conditions and uneven sowing, which reduces planting efficiency and lettuce yield.

Method used

An integrated lettuce planting and harvesting device is designed, which includes a traveling component, a harvesting component, a delivery component, a leaf removal component and a planting component, which can be deleaved and packed while harvesting the lettuce and realize automated lettuce seedling cultivation.

Benefits of technology

The device realizes automatic leaf removal and packing when harvesting lettuce, improving the quality and harvesting efficiency of lettuce; at the same time, through automated planting, labor costs are saved and the survival rate of lettuce seedlings is improved.

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Abstract

The utility model relates to the technical field of asparagus lettuce seedling planting and asparagus lettuce harvesting, discloses an integrated asparagus lettuce planting and harvesting device, and solves the problems that the survival rate of asparagus lettuce seedlings planted mechanically in the prior art is low, and the quality of asparagus lettuce is affected due to the fact that an existing asparagus lettuce harvesting device does not have leaf removing and boxing functions. An integrated asparagus lettuce planting and harvesting device comprises a vehicle body base frame, advancing assemblies are fixedly arranged on the two sides of the vehicle body base frame, a harvesting assembly is fixedly connected to the outer surface of the vehicle body base frame, a conveying assembly is arranged above the harvesting assembly, a ditching assembly is arranged below the conveying assembly, and a leaf removing assembly is fixedly connected to the outer surface of the vehicle body base frame. A planting assembly is fixedly connected to the outer surface of the vehicle body base frame, a linear sliding rail is arranged on the outer surface of the vehicle body base frame, a lead screw assembly is fixedly arranged on one side of the vehicle body base frame, and a movable storage assembly is fixedly connected to the outer surface of the lead screw assembly. And the efficiency and quality of asparagus lettuce seedling planting and asparagus lettuce harvesting are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of planting lettuce seedlings and harvesting lettuce, in particular to an integrated lettuce planting and harvesting device. Background Art

[0002] Lettuce, also known as lettuce, is an annual or biennial herb. Lettuce is a nutritious and crisp vegetable. It can be eaten directly and has high nutritional value. It has a crisp texture and a refreshing taste. It has low soil requirements and strong adaptability. It can grow in many types of soil. It is rich in nutrients and low in calories and fat. It is an ideal healthy vegetable.

[0003] The existing technology for growing and harvesting lettuce mainly relies on manual labor and traditional agricultural machinery, which are inefficient and require a lot of labor. In the harvesting process, the existing lettuce harvesting machinery does not have the functions of removing leaves and collecting boxes, which may cause damage to the lettuce and affect the quality of the lettuce. In the planting process, the existing lettuce planting machinery has shortcomings such as poor adaptability of the seeder to soil conditions and uneven sowing, which reduces the planting efficiency and reduces the lettuce yield. Utility Model Content

[0004] The utility model aims to provide an integrated lettuce planting and harvesting device. By adopting the device to work, the problem that the existing lettuce harvesting device does not remove leaves when harvesting lettuce and does not pack the lettuce, resulting in damage and deformation of the harvested lettuce, affecting the quality of the lettuce, is solved, and the problem that the existing lettuce planter has poor adaptability to soil conditions and uneven sowing is solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated lettuce planting and harvesting device, comprising traveling components fixedly arranged on both sides of a vehicle body frame, a harvesting component fixedly connected to the outer surface of the vehicle body frame, a conveying component arranged above the harvesting component, a ditching component arranged below the conveying component, a leaf removing component fixedly connected to the outer surface of the vehicle body frame, a planting component fixedly connected to the outer surface of the vehicle body frame, a linear slide rail arranged on the outer surface of the vehicle body frame, a screw rod component fixedly arranged on one side of the vehicle body frame, a movable storage component fixedly connected to the outer surface of the screw rod component, the conveying component comprising a ridge-supporting baffle fixed to the outer surface of the vehicle body frame, and a ridge-supporting baffle fixed to the outer surface of the vehicle body frame. The outer surface of the frame is fixedly connected with a stepper motor B bracket, and the stepper motor B bracket is arranged in two groups. The outer surface of the stepper motor B bracket is fixedly connected with a stepper motor B, and the output end of the stepper motor B is fixedly connected with a synchronous wheel, and the synchronous wheel is fixedly connected with a conveyor belt wheel. The outer surface of the conveyor belt wheel is fixedly connected with a crawler belt for conveying the lettuce vertically upward, and the conveyor belt wheel is movably connected to the crawler belt, and the synchronous wheel is movably connected with a belt. The outer surface of the vehicle body frame is fixedly connected with an electric push rod connecting piece, and the electric push rod connecting piece is fixedly connected with an electric push rod. The outer surface of the vehicle body frame is fixedly provided with a square bracket, and the square bracket is arranged in three groups. The three groups of square brackets are penetrated and connected with a screw rod A.

[0006] Preferably, the traveling component includes a driving motor bracket fixed to the outer surface of the vehicle body frame, the driving motor bracket is arranged in four groups, the outer surfaces of the four groups of driving motor brackets are fixedly connected with driving motors, and the output end of the driving motor is fixedly connected with a circular wheel.

[0007] Preferably, the harvesting component includes a stepper motor support fixed on the outer surface of the vehicle body frame, the outer surface of the stepper motor support is fixedly connected to a stepper motor A, the outer surface of the vehicle body frame is connected to a saw blade, the output end of the stepper motor A is fixedly connected to a cam for pushing the saw blade to move, and the outer surface of the vehicle body frame is provided with a spring for rebounding the saw blade.

[0008] Preferably, the leaf removal component includes a conveying platform fixed on the outer surface of the vehicle body frame, an arc-shaped baffle is fixedly provided on one side of the conveying platform, a leaf removal ring is provided on the other side of the conveying platform, and a pushing component for pushing un-leafed lettuce is provided on the outer surface of the vehicle body frame.

[0009] Preferably, the screw assembly includes a motor support frame fixed on the outer surface of the vehicle body frame, a reduction motor is fixedly connected to the outer surface of the motor support frame, a screw B is fixedly connected to the output end of the reduction motor, a slider is provided on the outer surface of the vehicle body frame, and two groups of sliders are provided, and the two groups of sliders are threadedly connected to the screw B.

[0010] Preferably, the linear slide rail includes T-shaped bearing seats arranged on both sides of the vehicle body frame, the T-shaped bearing seats are arranged in two groups, a polished rod is movably connected between the two groups of T-shaped bearing seats, and a box-shaped slider is movably connected through the outer surface of the polished rod.

[0011] Preferably, the movable storage assembly includes a storage box base B arranged on the outer surface of the screw assembly, the outer surface of the storage box base B is fixedly connected to the storage box base A, and the outer surface of the storage box base A is fixedly connected to a storage box for storing lettuce.

[0012] Preferably, the trenching assembly includes a fixed plate fixed on the outer surface of the vehicle body frame, the fixed plate is provided with a hole, the outer surface of the fixed plate is fixedly connected to a stepper motor bracket C, the outer surface of the stepper motor bracket C is fixedly connected to a stepper motor E, the output end of the stepper motor E is fixedly connected to a coupling B, the outer surface of the coupling B is fixedly connected to an auger for digging holes and planting lettuce seedlings, the outer surface of the fixed plate is fixedly connected to a sliding assembly, the outer surface of the vehicle body frame is fixedly connected to a stepper motor bracket B, the outer surface of the stepper motor bracket B is fixedly connected to a stepper motor D, the output end of the stepper motor D is fixedly connected to a coupling C, the outer surface of the coupling C is fixedly connected to a screw rod C, the screw rod C passes through the fixed plate, and the outer surface of the fixed plate is fixedly connected to a screw nut for fixing the screw rod C.

[0013] Preferably, the planting component includes a servo fixedly arranged above the vehicle body frame, the output end of the servo fixedly connected to a metal rocker arm, the outer surface of the metal rocker arm fixedly connected to a seedling tray rocker arm, and the outer surface of the seedling tray rocker arm is provided with a seedling tray for holding paper chain lettuce seedling trays.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model proposes an integrated lettuce planting and harvesting device, which can remove leaves while harvesting lettuce and pack and store the harvested lettuce after removing leaves. The device can automatically remove leaves and neatly pack and arrange the lettuce while harvesting lettuce, which greatly improves the accuracy and efficiency of harvesting and planting lettuce and ensures the quality of lettuce.

[0016] 2. The utility model proposes an integrated lettuce planting and harvesting device, which can complete the planting of lettuce seedlings. The device can realize the work of automatically planting paper chain lettuce seedlings without manual participation, greatly saving labor costs and time costs, and can also improve the survival rate of lettuce seedlings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the traveling assembly of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the harvesting component of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the transmission component of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the leaf removal component of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the push component of the utility model;

[0023] Figure 7 This is a schematic diagram of the structure of the screw rod assembly of the utility model;

[0024] Figure 8 This is a schematic diagram of the structure of the movable storage assembly of the utility model;

[0025] Fig. 9 It is a structural schematic diagram of the ditching assembly of the utility model;

[0026] Fig.10 It is a structural schematic diagram of the planting component of the utility model.

[0027] In the figure: 1. vehicle body frame; 2. travel assembly; 21. drive motor bracket; 22. drive motor; 23. round wheel; 3. harvesting assembly; 31. stepper motor A; 32. cam; 33. saw blade; 34. stepper motor support; 35. spring; 4. transmission assembly; 41. ridge baffle; 42. stepper motor B; 43. synchronous wheel; 44. transmission belt wheel; 45. crawler; 46. electric push rod connector; 47. electric push rod; 48. screw rod A; 49. square bracket; 410. stepper motor B bracket; 411. belt; 5. leaf removal assembly; 51. transmission platform; 52. arc baffle; 53. push assembly; 54. leaf removal ring; 531. stepper motor bracket A; 532. stepper motor C; 533. coupling A; 534. crank A; 535 , crank B; 536, push slider; 6, screw assembly; 61, reduction motor; 62, slider; 63, screw B; 64, linear slide; 641, T-type bearing seat; 642, box-type slider; 643, bare rod; 65, motor support frame; 7, movable storage assembly; 71, storage box base A; 72, storage box base B; 73, storage box; 8, ditching assembly; 81, sliding assembly; 82, stepper motor bracket C; 83, stepper motor E; 84, coupling B; 85, auger; 86, fixing plate; 811, stepper motor bracket B; 812, stepper motor D; 813, coupling C; 814, screw nut; 815, screw C; 9, planting assembly; 91, servo; 92, metal rocker arm; 93, seedling tray tray rocker arm; 94, seedling tray tray. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0030] Combination Figure 1 and Figure 4 , an integrated lettuce planting and harvesting device includes a vehicle body frame 1, characterized in that: the vehicle body frame 1 includes a traveling component 2 fixedly arranged on both sides, a harvesting component 3 fixedly connected to the outer surface of the vehicle body frame 1, a transmission component 4 is arranged above the harvesting component 3, and a ditching component 8 is arranged below the transmission component 4, a leaf removal component 5 is fixedly connected to the outer surface of the vehicle body frame 1, a planting component 9 is fixedly connected to the outer surface of the vehicle body frame 1, a linear slide rail 64 is arranged on the outer surface of the vehicle body frame 1, a screw rod component 6 is fixedly arranged on one side of the vehicle body frame 1, and a movable storage component 7 is fixedly connected to the outer surface of the screw rod component 6, the transmission component 4 includes a ridge support baffle 41 fixed to the outer surface of the vehicle body frame 1, and a stepper motor B bracket 410 is fixedly connected to the outer surface of the vehicle body frame 1, and the stepper motor B The bracket 410 is arranged in two groups, the outer surface of the stepper motor B bracket 410 is fixedly connected with a stepper motor B42, the output end of the stepper motor B42 is fixedly connected with a synchronous wheel 43, the synchronous wheel 43 is fixedly connected with a conveyor pulley 44, the outer surface of the conveyor pulley 44 is fixedly connected with a crawler belt 45 for conveying the lettuce vertically upward, the conveyor pulley 44 is movably connected with the crawler belt 45, the synchronous wheel 43 is movably connected with a belt 411, the outer surface of the vehicle body frame 1 is fixedly connected with an electric push rod connector 46, the electric push rod connector 46 is fixedly connected with an electric push rod 47, the outer surface of the vehicle body frame 1 is fixedly provided with a square bracket 49, the square bracket 49 is arranged in three groups, the three groups of square brackets 49 are penetrated by a screw rod A48, and the conveying component 4 can convey the cut lettuce vertically upward.

[0031] The utility model is further described below in conjunction with embodiments.

[0032] Embodiment 1:

[0033] See also Figure 1 and Figure 2The traveling component 2 includes a driving motor bracket 21 fixed on the outer surface of the vehicle body frame 1. The driving motor bracket 21 is arranged in four groups. The outer surface of the four groups of driving motor brackets 21 is fixedly connected with a driving motor 22. The output end of the driving motor 22 is fixedly connected with a circular wheel 23, so that the whole device can meet the needs of moving forward, backward, turning, etc.

[0034] See also Figure 3 The harvesting component 3 includes a stepper motor support 34 fixed on the outer surface of the vehicle body frame 1, a stepper motor A31 is fixedly connected to the outer surface of the stepper motor support 34, a saw blade 33 is connected to the outer surface of the vehicle body frame 1, a cam 32 for pushing the saw blade 33 to move is fixedly connected to the output end of the stepper motor A31, and a spring 35 for rebounding the saw blade 33 is arranged on the outer surface of the vehicle body frame 1. The harvesting component 3 can complete the task of harvesting lettuce.

[0035] See also Figure 5 The leaf removal component 5 includes a conveying platform 51 fixed on the outer surface of the vehicle body frame 1, an arc-shaped baffle 52 is fixedly provided on one side of the conveying platform 51, and a leaf removal ring 54 is provided on the other side of the conveying platform 51. A pushing component 53 for pushing the un-leafed lettuce is provided on the outer surface of the vehicle body frame 1. The leaf removal component 53 can guide the direction of the lettuce, so that the lettuce falls horizontally along the direction guided by the arc-shaped baffle.

[0036] See also Figure 6 The pushing component 53 includes a stepper motor bracket A531 arranged on the outer surface of the vehicle body frame 1, the outer surface of the stepper motor bracket A531 is fixedly connected to a stepper motor C532, the output end of the stepper motor C532 is fixedly connected to a coupling A533, the outer surface of the coupling A533 is fixedly connected to a crank A534, the outer surface of the crank A534 is fixedly connected to a crank B535, the outer surface of the crank B535 is fixedly connected to a pushing slider 536 for pushing the lettuce to the defoliation ring 54, the pushing component 53 can complete the work of pushing the lettuce through the defoliation ring to remove leaves and pushing the lettuce.

[0037] See also Figure 7 The screw assembly 6 includes a motor support frame 65 fixed on the outer surface of the vehicle body frame 1, a reduction motor 61 is fixedly connected to the outer surface of the motor support frame 65, and a screw B63 is fixedly connected to the output end of the reduction motor 61. A slider 62 is provided on the outer surface of the vehicle body frame 1. The slider 62 is provided with two groups. The two groups of sliders 62 are threadedly connected with the screw B63. The screw assembly 6 can drive the storage box 73 to move forward and backward, so that the lettuce can be stored more neatly.

[0038] See also Figure 8The movable storage assembly 7 includes a storage box base B72 arranged on the outer surface of the screw assembly 6, the outer surface of the storage box base B72 is fixedly connected to the storage box base A71, and the outer surface of the storage box base A71 is fixedly connected to a storage box 73 for storing lettuce, which is used to hold the lettuce after harvesting and defoliation.

[0039] See also Fig. 9 The trenching assembly 8 includes a fixing plate 86 fixed to the outer surface of the vehicle body frame 1, a hole is formed on the fixing plate 86, a stepper motor bracket C82 is fixedly connected to the outer surface of the fixing plate 86, a stepper motor E83 is fixedly connected to the outer surface of the stepper motor bracket C82, a coupling B84 is fixedly connected to the output end of the stepper motor E83, an auger 85 for digging holes for planting lettuce seedlings is fixedly connected to the outer surface of the coupling B84, a sliding assembly 81 is fixedly connected to the outer surface of the fixing plate 86, and the outer surface of the vehicle body frame 1 The surface is fixedly connected with a stepper motor bracket B811, the outer surface of the stepper motor bracket B811 is fixedly connected with a stepper motor D812, the output end of the stepper motor D812 is fixedly connected with a coupling C813, the outer surface of the coupling C813 is fixedly connected with a screw rod C815, the screw rod C815 runs through the fixed plate 86, and the outer surface of the fixed plate 86 is fixedly connected with a screw rod nut 814 for fixing the screw rod C815. The ditching assembly can complete the ditching function to prepare for the subsequent planting of lettuce seedlings.

[0040] See also Fig.10 The planting component 9 includes a steering gear 91 fixedly arranged above the vehicle body frame, the output end of the steering gear 91 is fixedly connected to a metal rocker arm 92, the outer surface of the metal rocker arm 92 is fixedly connected to a seedling tray rocker arm 93, and the outer surface of the seedling tray rocker arm 93 is provided with a seedling tray 94 for holding a paper chain lettuce seedling tray. The planting component 9 can complete the function of holding the paper chain lettuce seedling tray.

[0041] Working principle: When the device needs to move forward, backward, or turn, the driving motor 22 in the traveling component 2 drives the circular wheel 23 to rotate so that the entire device can meet the needs of moving forward, backward, and turning. When the device moves to the front of the lettuce, the stepper motor A31 rotates to drive the cam 32 to rotate continuously. The cam 32 pushes the saw blade 33 to move horizontally. The spring 35 rebounds the saw blade 33 pushed by the cam 32 back to its original position. The saw blade 33 reciprocates to cut the lettuce from the root. The cut lettuce is fixed by the ridge baffle 41 at the front end of the machine so that it will not fall left or right. The stepper motor B42 rotates to drive the synchronous wheel 43 to rotate. The synchronous wheel 43 is movably connected to the belt 411. The belt 411 drives the three sets of synchronous wheels 43 to rotate. The synchronous wheel 43 drives the conveyor belt wheel 44 to rotate. The conveyor belt wheel 44 is movably connected to the crawler belt 45. The conveyor belt wheel 44 is belted The moving crawler belt 45 rotates continuously, and the crawler belt 45 conveys the lettuce upward to the conveying platform 51. The lettuce falls horizontally along the direction guided by the arc-shaped baffle 52 fixedly arranged on one side of the conveying platform 51, and the stepper motor C532 drives the crank A534 and the crank B535 to move. The outer surface of the crank B535 is fixedly connected with a pushing slider 536 for pushing the lettuce to the defoliating ring 54. The pushing slider 536 pushes the fallen lettuce to the defoliating ring 54 to complete the defoliation of the lettuce. The lettuce falls into the storage box 73 under the push of the pushing slider 536, and the storage box 73 moves back and forth driven by the screw assembly 6 so as to neatly pack the lettuce. When sowing, the stepper motor D812 in the furrowing component 8 drives the screw rod 815 to rotate continuously, and the fixed plate 86 moves downward continuously in the direction of the screw rod 815. The stepper motor E83 drives the auger 85 to rotate continuously to open furrows. The servo 91 in the planting component 9 drives the metal rocker arm 92 to rotate. The metal rocker arm 92 is fixedly connected to the seedling tray rocker arm 93. The seedling tray rocker arm 93 rotates together with the metal rocker arm 92 to drive the seedling tray 94 to rotate to the initial position for receiving the lettuce seedlings. When the paper chain lettuce seedling tray is placed on the seedling tray tray 94, the metal rocker arm 92 drives the seedling tray tray 94 to rotate to the planting position, and the paper chain lettuce seedling tray is pulled open to the crawler 45. The paper chain lettuce seedlings are transmitted downward with the crawler 45 to the soil after the furrows are opened, and finally the ridge-supporting baffle 41 is covered with soil to complete the planting of the lettuce seedlings.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated lettuce planting and harvesting device, comprising a vehicle body frame (1), characterized in that: The vehicle body frame (1) comprises a traveling assembly (2) fixedly arranged on both sides thereof, a harvesting assembly (3) fixedly connected to the outer surface of the vehicle body frame (1), a conveying assembly (4) arranged above the harvesting assembly (3), a furrowing assembly (8) arranged below the conveying assembly (4), a leaf removal assembly (5) fixedly connected to the outer surface of the vehicle body frame (1), a planting assembly (9) fixedly connected to the outer surface of the vehicle body frame (1), a linear slide rail (64) arranged on the outer surface of the vehicle body frame (1), a screw rod assembly (6) fixedly arranged on one side of the vehicle body frame (1), and a movable storage assembly (7) fixedly connected to the outer surface of the screw rod assembly (6); The transmission assembly (4) comprises a ridge support baffle (41) fixed to the outer surface of the vehicle body frame (1); the outer surface of the vehicle body frame (1) is fixedly connected to a stepper motor B bracket (410); the stepper motor B bracket (410) is arranged in two groups; the outer surface of the stepper motor B bracket (410) is fixedly connected to a stepper motor B (42); the output end of the stepper motor B (42) is fixedly connected to a synchronous wheel (43); the synchronous wheel (43) is fixedly connected to a conveyor belt wheel (44); the outer surface of the conveyor belt wheel (44) is fixedly connected to A crawler belt (45) is provided for conveying lettuces vertically upwards, a conveyor belt wheel (44) is movably connected to the crawler belt (45), a synchronous wheel (43) is movably connected to a belt (411), an electric push rod connecting piece (46) is fixedly connected to the outer surface of a vehicle body base frame (1), the electric push rod connecting piece (46) is fixedly connected to an electric push rod (47), a square bracket (49) is fixedly provided on the outer surface of the vehicle body base frame (1), the square bracket (49) is provided in three groups, and the three groups of square brackets (49) are penetrated and connected with a screw rod A (48).

2. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The travel assembly (2) comprises a drive motor bracket (21) fixed to the outer surface of the vehicle body base frame (1), the drive motor bracket (21) is arranged in four groups, the outer surfaces of the four groups of drive motor brackets (21) are fixedly connected to drive motors (22), and the output end of the drive motor (22) is fixedly connected to a circular wheel (23).

3. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The harvesting assembly (3) comprises a stepper motor support (34) fixed on the outer surface of the vehicle body frame (1); a stepper motor A (31) is fixedly connected to the outer surface of the stepper motor support (34); a saw blade (33) is connected to the outer surface of the vehicle body frame (1); a cam (32) for pushing the saw blade (33) to move is fixedly connected to the output end of the stepper motor A (31); and a spring (35) for rebounding the saw blade (33) is arranged on the outer surface of the vehicle body frame (1).

4. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The leaf removal component (5) comprises a conveying platform (51) fixed on the outer surface of a vehicle body frame (1), an arc-shaped baffle (52) is fixedly arranged on one side of the conveying platform (51), a leaf removal ring (54) is arranged on the other side of the conveying platform (51), and a pushing component (53) for pushing un-leaved lettuce is arranged on the outer surface of the vehicle body frame (1).

5. The integrated lettuce planting and harvesting device according to claim 4, characterized in that: The pushing assembly (53) comprises a stepper motor bracket A (531) arranged on the outer surface of the vehicle body base frame (1); a stepper motor C (532) is fixedly connected to the outer surface of the stepper motor bracket A (531); a coupling A (533) is fixedly connected to the output end of the stepper motor C (532); a crank A (534) is fixedly connected to the outer surface of the coupling A (533); a crank B (535) is fixedly connected to the outer surface of the crank A (534); and a pushing slider (536) for pushing the lettuce to the defoliation ring (54) is fixedly connected to the outer surface of the crank B (535).

6. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The screw assembly (6) comprises a motor support frame (65) fixed on the outer surface of the vehicle body base frame (1); a reduction motor (61) is fixedly connected to the outer surface of the motor support frame (65); a screw B (63) is fixedly connected to the output end of the reduction motor (61); a slider (62) is provided on the outer surface of the vehicle body base frame (1); two groups of sliders (62) are provided; the two groups of sliders (62) are threadedly connected to the screw B (63).

7. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The linear slide rail (64) comprises T-shaped bearing seats (641) arranged on both sides of the vehicle body base frame (1), the T-shaped bearing seats (641) are arranged in two groups, a light rod (643) is movably connected between the two groups of T-shaped bearing seats (641), and a box-shaped sliding block (642) is movably connected to the outer surface of the light rod (643).

8. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The movable storage assembly (7) comprises a storage box base B (72) arranged on the outer surface of the screw assembly (6); the outer surface of the storage box base B (72) is fixedly connected to a storage box base A (71); and the outer surface of the storage box base A (71) is fixedly connected to a storage box (73) for storing lettuce.

9. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The trenching assembly (8) comprises a fixing plate (86) fixed to the outer surface of the vehicle body frame (1), the fixing plate (86) having a hole formed therein, a stepping motor bracket C (82) fixedly connected to the outer surface of the fixing plate (86), a stepping motor E (83) fixedly connected to the outer surface of the stepping motor bracket C (82), a coupling B (84) fixedly connected to the output end of the stepping motor E (83), an auger (85) for digging holes for planting lettuce seedlings fixedly connected to the outer surface of the coupling B (84), and a sliding screw (85) fixedly connected to the outer surface of the fixing plate (86). A moving assembly (81), a stepper motor bracket B (811) is fixedly connected to the outer surface of the vehicle body base frame (1), a stepper motor D (812) is fixedly connected to the outer surface of the stepper motor bracket B (811), a coupling C (813) is fixedly connected to the output end of the stepper motor D (812), a screw rod C (815) is fixedly connected to the outer surface of the coupling C (813), the screw rod C (815) passes through a fixing plate (86), and a screw rod nut (814) for fixing the screw rod C (815) is fixedly connected to the outer surface of the fixing plate (86).

10. The integrated lettuce planting and harvesting device according to claim 1, characterized in that: The planting assembly (9) comprises a steering gear (91) fixedly arranged above the vehicle body frame, the output end of the steering gear (91) is fixedly connected to a metal rocker arm (92), the outer surface of the metal rocker arm (92) is fixedly connected to a seedling tray rocker arm (93), and the outer surface of the seedling tray rocker arm (93) is provided with a seedling tray tray (94) for holding a paper chain type lettuce seedling tray.