Small intelligent asparagus lettuce harvester

Abstract

The utility model relates to a small intelligent asparagus lettuce harvester. According to the technical scheme, the asparagus lettuce leaf removing device comprises a vehicle body, a conveying device is arranged at the front end of the vehicle body, a guiding device is arranged at the rear end of the vehicle body, a cutter is arranged on the lower portion of the front end of the conveying device, a leaf removing device is arranged on the lower portion of the rear end of the conveying device, and the conveying device is a clamping conveying mechanism which is obliquely arranged, 5-10 cm in distance and used for clamping asparagus lettuces. The guiding device is arranged above the leaf removing device, a pair of guiding landslides with inclination are arranged at the rear end of the vehicle body, and a storage basket is arranged on the lower portion of the conveying device; the cutter comprises a pair of cutting saws, the cutting saws are arranged at the bottom of the front end of the clamping conveying belt, the leaf removing device comprises a guide sliding groove and a circular-truncated-cone-shaped cutting ring arranged at the tail end of the guide sliding groove, a pushing device capable of moving back and forth is arranged on the upper portion of the guide sliding groove in an attached mode, and the pushing device moves back and forth through a synchronous belt sliding table. And the asparagus lettuce is pushed into a circular truncated cone-shaped cutting ring for leaf removal. The cutting, conveying and leaf removing functions of the asparagus lettuce are achieved through a simple structure.

Description

Technical Field

[0001] The utility model relates to the technical field of lettuce harvesting, in particular to a small intelligent lettuce harvester. Technical Background

[0002] China produces a large amount of lettuce, but harvesting is still primarily done manually, which is labor-intensive and labor-intensive. Especially in hilly and mountainous areas with small plots of land, there is little machinery suitable for harvesting lettuce.

[0003] The patent number "CN215188314U" discloses a lettuce double-flexible pulling, cutting and harvesting device including a frame. The frame is provided with a straightening device, a lifting device, a cutting device and a conveying device along the harvesting path. The harvesting device can harvest lettuce, but does not remove the lettuce leaves. Manual peeling of the leaves is required, which is time-consuming and labor-intensive.

[0004] Patent number "CN208273612U" discloses a lettuce harvesting device including a frame, a traveling wheel, a cutting part, a conveying mechanism, a collecting box, a leaf stripping mechanism and a transmission mechanism. The harvesting device can realize the tasks of harvesting, leaf removal, cleaning and collecting lettuce. However, it has the following defects: when harvesting and leaf removal, only one lettuce can be in the machine, and the lettuce cutting process depends on the operator's control, resulting in low harvesting efficiency and insufficient consistency; at the same time, in the process of removing lettuce leaves, the rotation of the workbench in the leaf stripping mechanism is controlled by the gravity change on the conveyor belt. Due to the unstable quality of the lettuce and the small gravity relative to the conveying mechanism, stable control is difficult to achieve. Utility Model Content

[0005] In view of this, the utility model provides a small intelligent lettuce harvester.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a small intelligent lettuce harvester, comprising a vehicle body, a transmission device is provided at the front end of the vehicle body, a guide device is provided at the rear end, a cutter is provided at the lower part of the front end of the transmission device, and a leaf removal device is provided at the lower part of the rear end, the transmission device is an obliquely arranged clamping transmission mechanism with a spacing of 5-10 cm for clamping the lettuce, the guide device is arranged above the leaf removal device, a pair of inclined guide slopes are provided at the rear end of the vehicle body, and a storage basket is provided at the lower part of the transmission device;

[0007] The cutter includes a pair of cutting saws, which are arranged at the bottom of the front end of the clamping conveyor belt, and the pair of cutting saws rotate parallel to the ground to cut the roots of the lettuce;

[0008] The leaf removal device includes a guide chute and a conical cutting ring arranged at the end of the guide chute. A pushing device that can move back and forth is arranged on the upper part of the guide chute. The pushing device moves back and forth through a synchronous belt slide to push the lettuce into the conical cutting ring for leaf removal.

[0009] Furthermore, the clamping conveyor mechanism includes a pair of clamping conveyor belt brackets, a clamping conveyor belt is provided on the clamping conveyor belt bracket, a driving shaft and a driven shaft are respectively provided at both ends of each clamping conveyor belt bracket, and a tensioning structure is relatively provided on the inner side surface, and the tensioning structure includes two upper and lower groups of relatively arranged first fixed blocks and second fixed blocks connected by springs, the upper and lower second fixed blocks are connected by an axis, a tensioning wheel is provided on the axis, and the upper and lower first fixed blocks are connected to the upper and lower surfaces of the clamping conveyor belt bracket, and the driving shaft and the driven shaft at both ends of the conveyor belt bracket and the tensioning wheel provided thereon are all provided in the clamping conveyor belt.

[0010] Furthermore, the pushing device includes an N-shaped slider, and a baffle is hinged on one side of the upper portion of the slider for blocking a port on one side of the slider.

[0011] Furthermore, the synchronous belt slide is arranged on the left side of the guide slide groove and is fixed on the vehicle body.

[0012] Furthermore, the upper surface of the guide chute is arc-shaped, and the closing ends of a pair of guide slopes are arranged on the upper part of the guide chute.

[0013] Furthermore, a photoelectric counter is provided above the clamping conveyor belt bracket.

[0014] Furthermore, the structure of the cutting saw is a disc type.

[0015] Furthermore, the slope of the guide slope is 45 degrees, slanting down to 5-10 cm above the guide chute, and is set on both sides of the rear end of the vehicle body.

[0016] Furthermore, the distance between the two clamping conveyor belts is 3-8 cm.

[0017] Furthermore, the baffle is arranged on the slider through a hinge.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1) The utility model clamps the lettuce by clamping the conveyor belt, and combines the tensioning structure to ensure the cutting and transmission of the lettuce. The disc cutting saw cuts the lettuce, and the guide slide sends the lettuce into the lettuce guide chute. The synchronous belt slide drives the hinge slider to circulate and reciprocate to continuously push the lettuce into the cutting ring to achieve efficient stem and leaf separation. The photoelectric sensor is installed above the conveyor belt to realize real-time statistics of the lettuce harvest.

[0020] 2) The utility model integrates lettuce cutting, transmission, stem and leaf separation and counting into one, simplifies the manual harvesting workflow, improves lettuce harvesting efficiency, and helps achieve better and more efficient lettuce harvesting.

[0021] 3) The structure of the utility model continuously, stably and efficiently realizes the functions of cutting, conveying and removing leaves of lettuce, and simultaneously counts the amount of lettuce harvested in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the present utility model.

[0023] Figure 2 It is a structural diagram of the defoliation device.

[0024] Figure 3 yes Figure 1 Schematic diagram of the structure of the intermediate tensioning structure.

[0025] Figure 4 It is a structural diagram of the tensioning structure in the clamping conveyor belt.

[0026] Figure 5 This is a schematic diagram of the connection structure between the defoliation device and the vehicle body.

[0027] Figure 6 This is a schematic diagram of the connection structure between the synchronous belt and the slide in the synchronous belt slide structure.

[0028] Marking explanation: 1. Cutting saw, 2. Clamping conveyor belt, 3. Tensioning structure, 4. Guide slope, 5. Control box, 6. Synchronous belt slide, 7. Pushing device, 8. Guide chute, 9. Cutting ring, 10. Car body, 11. Baffle, 12. Hinge, 13. Slider, 14. First fixed block, 15. Spring, 16. Second fixed block, 17. Tensioner, 18 Headstock, 19. Driving shaft, 20. Clamping conveyor belt bracket, 21. Tailstock, 22. Driven shaft, 23. Car body cutting ring fixing bracket, 24. Car body synchronous belt slide fixing bracket, 25. Synchronous belt, 26. Photoelectric counter. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] This embodiment provides a small intelligent lettuce harvester. Figure 1As shown, it includes a vehicle body 10, a transmission device is provided at the front end of the vehicle body 10, a guide device is provided at the rear end, a cutter is provided at the lower part of the front end of the transmission device, and a leaf removal device is provided at the lower part of the rear end. The guide device is provided above the leaf removal device, a pair of inclined guide slopes 4 are provided at the rear end of the vehicle body, a storage basket is provided at the lower part of the transmission device, and a control box 5 is fixed to the upper part of the vehicle body 10. A battery, a buzzer, a switch, and a control circuit are provided therein and are connected to the motors and sensors of each module. By turning on the corresponding switch, the motors and sensors of each part start to work.

[0031] As an implementation method of the embodiment, the transmission device is a clamping conveyor mechanism 2 for clamping lettuce with an oblique arrangement spacing of 5-10 cm. The clamping conveyor mechanism 2 includes a pair of clamping conveyor belt brackets 20, and a clamping conveyor belt 2 is provided on the clamping conveyor belt brackets 20. The distance between the two clamping conveyor belts 2 is 3-8 cm. A photoelectric counter 26 is provided above the clamping conveyor belt bracket 20 for calculating the amount of lettuce harvested. A head seat 18 and a tail seat 19 are provided at both ends of each clamping conveyor belt bracket 20. A driving shaft 19 and a driven wheel 22 are provided on the head seat 18 and the tail seat 19 respectively. A tensioning structure 3 is provided on the inner side surface. The tensioning structure 3 includes two upper and lower groups of relatively arranged first fixed blocks 14 and second fixed blocks 16 connected by springs 16. The upper and lower second fixed blocks 16 are connected by an axis, and a tensioning wheel 17 is provided on the axis. The upper and lower first fixed blocks 14 are connected to the upper and lower surfaces of the clamping conveyor belt bracket 20. The driving shafts 19 at both ends of the conveyor belt bracket 20, the driven wheel 20 and the tensioning wheel 17 provided thereon are provided in the clamping conveyor belt 2. The movement of the clamping conveyor mechanism is controlled by the control box 5 to realize the transmission of the lettuce to the top of the guide slope 4. Figure 2 and Figure 4 shown.

[0032] As an implementation method of the embodiment, the cutter includes a pair of disc-shaped cutting saws 1, which are arranged at the bottom of the front end of the clamping conveyor belt 2. The pair of cutting saws 1 rotate parallel to the ground to cut the roots of the lettuce.

[0033] As an implementation method of the embodiment, the leaf removal device includes a guide chute 8, and a conical cutting ring 9 arranged at the end of the guide chute 8. A pushing device 7 that can move back and forth is arranged on the upper part of the guide chute 8. The synchronous belt slide 6 is fixed on the vehicle body synchronous belt slide fixing frame 24, and a synchronous belt 25 is arranged on it. The sliding of the synchronous belt slide 6 on one side in the length direction is achieved through the control box 5. The pushing device 7 moves back and forth through the synchronous belt slide 6 to push the lettuce into the conical cutting ring 9 for leaf removal. The synchronous belt slide 6 is arranged on the left side of the guide chute 8 and fixed on the vehicle body 10. The pushing device 7 includes an n-shaped slider 13. The upper side of the slider 13 is hinged with a baffle 11 for blocking the opening of one side of the slider 13 through a hinge 12. The upper surface of the guide chute 8 is arc-shaped, and the closing ends of a pair of guide slides 4 are arranged on the upper part of the guide chute 8, such as Figure 3 、 Figure 5 and Figure 6 shown.

[0034] As an implementation method of the embodiment, the slope of the guide slope 4 is 45°, slanting down to 5-10 cm above the guide chute 8, and is arranged on both sides of the rear end of the vehicle body.

[0035] The working process of this utility model:

[0036] During operation, each switch in the control box 5 is turned on, the small intelligent lettuce harvester is started, and each part starts to work, pushing the small lettuce harvester forward. The lettuce will be sawed off from the root by the disc cutting saw 1 under the clamping of the clamping conveyor belt 2 and transmitted to the top of the guide landslide 4 through the clamping conveyor belt 2. It will fall into the lettuce guide chute 8 through the guide landslide 4. The pushing device 7 will move back and forth under the drive of the synchronous belt slide 6, and continuously push the lettuce that has fallen into the lettuce guide chute 8 into the cutting ring 9. The cutting ring 9 will pull down the leaves in the middle and rear part of the lettuce to separate the stems and leaves and fall into the storage basket.

[0037] Through the above method, the utility model patent provides a small intelligent lettuce harvester, which can realize lettuce cutting, transmission, and stem and leaf separation. By pushing the small intelligent lettuce harvester forward, it can realize automatic cutting, transmission and stem and leaf separation of lettuce in hilly mountainous areas and small plot planting modes, greatly improving the lettuce harvesting efficiency and saving labor costs.

[0038] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A small intelligent lettuce harvester, comprising a vehicle body (10), wherein a transmission device is provided at the front end of the vehicle body (10), a guide device is provided at the rear end, a cutter is provided at the lower front end of the transmission device, and a leaf removal device is provided at the lower rear end, wherein: The transmission device is a clamping transmission mechanism (2) for clamping lettuce, which is arranged obliquely with a spacing of 5-10 cm. The guide device is arranged above the leaf removal device, and a pair of inclined guide slides (4) are provided at the rear end of the vehicle body. A storage basket is provided at the bottom of the transmission device. The cutter comprises a pair of cutting saws (1), which are arranged at the front bottom of the clamping and conveying mechanism (2), and the pair of cutting saws (1) rotate relative to each other parallel to the ground to cut the roots of the lettuce; The leaf removal device comprises a guide chute (8) and a truncated cone-shaped cutting ring (9) arranged at the end of the guide chute (8). A push device (7) that can move back and forth is arranged adjacent to the upper part of the guide chute (8). The push device (7) moves back and forth via a synchronous belt slide (6) to push the lettuce into the truncated cone-shaped cutting ring (9) for leaf removal.

2. A small intelligent lettuce harvester according to claim 1, characterized in that: The clamping conveyor mechanism (2) includes a pair of clamping conveyor belt supports (20), and a clamping conveyor belt is provided on the clamping conveyor belt supports (20). A driving shaft (19) and a driven shaft (22) are respectively provided at both ends of each clamping conveyor belt support (20), and a tensioning structure (3) is relatively provided on the inner side surface. The tensioning structure (3) includes two upper and lower groups of first fixed blocks (14) and second fixed blocks (16) that are relatively provided and connected by springs (15). The upper and lower second fixed blocks (16) are connected by a shaft, and a tensioning wheel (17) is provided on the shaft. The upper and lower first fixed blocks (14) are connected to the upper and lower surfaces of the clamping conveyor belt support (20). The driving shaft (19) and the driven shaft (22) at both ends of the conveyor belt support (20) and the tensioning wheel (17) provided thereon are all provided in the clamping conveyor belt.

3. A small intelligent lettuce harvester according to claim 1 or 2, characterized in that: The pushing device (7) comprises an N-shaped slider (13), and a baffle (11) is hinged on one side of the upper portion of the slider (13) for blocking a port on one side of the slider (13).

4. The small intelligent lettuce harvester according to claim 3, characterized in that: The synchronous belt slide (6) is arranged on the left side of the guide slide groove (8) and is fixed on the vehicle body (10).

5. The small intelligent lettuce harvester according to claim 4, characterized in that: The upper surface of the guide chute (8) is arc-shaped, and the closing ends of a pair of guide slopes (4) are arranged on the upper part of the guide chute (8).

6. The small intelligent lettuce harvester according to claim 2, characterized in that: A photoelectric counter (26) is provided above the clamping conveyor belt support (20).

7. The small intelligent lettuce harvester according to claim 6, characterized in that: The cutting saw (1) has a disc-shaped structure.

8. The small intelligent lettuce harvester according to claim 7, characterized in that: The guide slope (4) has a slope of 45° and extends downward to 5-10 cm above the guide chute (8), and is arranged on both sides of the rear end of the vehicle body.

9. The small intelligent lettuce harvester according to claim 8, characterized in that: The distance between the two clamping conveying mechanisms (2) is 3-8 cm.

10. The small intelligent lettuce harvester according to claim 5, characterized in that: The baffle (11) is arranged on the slider (13) via a hinge (12).

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