Lettuce harvester

Abstract

The lettuce harvester comprises an installation frame and a placement frame, a side baffle is fixedly installed on the top face of the installation frame, and the surface of the side baffle is rotationally connected with an overhanging roller in a penetrating mode. The lettuce harvester has the advantages that the root groove and the cutter are adopted, the root groove is formed in one end of the mounting frame, when lettuce is harvested, a worker can push the lettuce harvester, insert the end shovel at one end of the mounting frame below lettuce leaves and align the root groove to the roots of the lettuce, when the mounting frame is pushed, the roots of the lettuce enter the root groove, and the electric cylinder stretches out and draws back to drive the end plate to move; and the cut lettuces naturally incline to the top surface of the first conveying belt, are conveyed to the top surface of the second conveying belt through the first conveying belt, and are conveyed into the collecting frame on the top surface of the placing frame through the second conveying belt, so that automatic harvesting and collecting are completed. The lettuce harvester is suitable for hydroponic production and harvesting of lettuces planted in soil, and the application range is wider.

Description

Technical Field

[0001] This utility model relates to the field of lettuce harvesting technology, and more specifically, to a lettuce harvester. Background Technology

[0002] Lettuce is famous for being eaten raw. It is rich in nutrients, has a crisp texture, and can be prepared in many ways, making it a favorite among consumers. Lettuce has high economic value, and its planting area has been increasing year by year, making it one of the crops with the largest hydroponic vegetable planting area both domestically and internationally.

[0003] A search revealed application number CN202221543329.9, entitled "A Harvesting Device for Hydroponic Lettuce." This application addresses the inconvenience of adjusting the harvesting operation when harvesting hydroponic vegetables at different growth heights, and the lack of unified processing after harvesting, resulting in scattered lettuce and requiring manual cleaning and sorting, which is complex and requires further improvement. The proposed device uses a bevel gear, a gear plate, a lead screw, and a fixed block. The bevel gear meshes with the gear plate to rotate, and the gear plate is threaded to the lead screw, which in turn drives the fixed block to raise and lower, allowing for free adjustment of the cutting blade height. However, this application has a limited scope of application, only suitable for hydroponic lettuce with complete planting equipment. Although the cutting blade angle can be adjusted, harvesting lettuce from different rows requires disassembling and moving the entire device, making it cumbersome and structurally complex. Further improvements are needed.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the shortcomings of the prior art, this utility model provides a lettuce harvester, which has the advantages of simple structure and convenient use, thereby solving the problems in the background art mentioned above.

[0007] (II) Technical Solution

[0008] To achieve the advantages of simple structure and ease of use mentioned above, the specific technical solution adopted by this utility model is as follows:

[0009] A lettuce harvester includes a mounting frame and a placement frame. A side baffle is fixedly mounted on the top surface of the mounting frame, and a cantilever roller is rotatably connected through the surface of the side baffle. A first conveyor belt and a second conveyor belt are respectively sleeved on the surface of the cantilever roller. A drive motor is fixedly mounted on the surface of the side baffle, and the output end of the drive motor is fixedly connected to one end of the cantilever roller. A root groove is opened between the first conveyor belts at one end of the mounting frame, and a blade groove is opened through both sides of the root groove inside the mounting frame. A cutter is inserted through the blade groove. An end plate is fixedly connected to the other end of the cutter, and an electric cylinder is connected between the end plate and the side baffle. A placement frame is fixedly mounted on the other end of the mounting frame, and a moving wheel is fixedly mounted on the bottom surface of the placement frame.

[0010] Furthermore, the placement rack has an L-shaped structure, and the top surface of the placement rack has been roughened.

[0011] Furthermore, four sets of the movable wheels are arranged, and the movable wheels are located at the corner of the bottom surface of the placement frame.

[0012] Furthermore, the first conveyor belt is arranged horizontally, and the second conveyor belt is arranged obliquely.

[0013] Furthermore, one end of the mounting frame is provided with an end shovel, and the root groove penetrates the end shovel.

[0014] Furthermore, the width of the root groove is greater than the outer diameter of the lettuce root, and the length of the root groove is not less than 30cm.

[0015] Furthermore, the height of the side baffle is greater than the height of the lettuce plant, and the surface of the side baffle is polished.

[0016] Furthermore, a guide rod is fixedly installed on the surface of the side baffle, and the guide rod passes through the end plate and is slidably connected to the end plate.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, the present invention provides a lettuce harvester, which has the following beneficial effects:

[0019] (1) This utility model adopts a root groove and a cutter. The root groove is opened at one end of the mounting frame. When harvesting lettuce, the worker can push the device, insert the end shovel at one end of the mounting frame under the lettuce leaves, align the root groove with the lettuce root, and push the mounting frame. The lettuce root enters the root groove. The electric cylinder extends and retracts, driving the end plate to move, which in turn drives the cutter to move and cut the lettuce root. The cut lettuce naturally tilts to the top surface of the first conveyor belt, is transported by the first conveyor belt to the top surface of the second conveyor belt, and is transported by the second conveyor belt to the collection frame on the top surface of the placement rack, completing the automatic harvesting and collection. This device has a simple structure, is easy to move, and is more flexible in use. It is suitable for harvesting lettuce in hydroponic production and soil cultivation, and has a wider range of applications.

[0020] (2) This utility model uses a placement rack with casters installed on the bottom surface of the rack to provide support and facilitate movement, making it convenient for staff to push and use. Collection boxes can be placed on the top surface of the rack, making it convenient for staff to collect and transfer production materials. It is suitable for the placement and use of collection boxes of various specifications, further improving the convenience of use. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of the lettuce harvester proposed in this utility model;

[0023] Figure 2 This is a top view of the lettuce harvester proposed in this utility model;

[0024] Figure 3 This is a front view of the lettuce harvester proposed in this utility model;

[0025] Figure 4 This is a schematic diagram of the cutting blade proposed in this utility model.

[0026] In the picture:

[0027] 1. Mounting frame; 2. First conveyor belt; 3. Second conveyor belt; 4. Side baffle; 5. Root groove; 6. Placement frame; 7. Suspension roller; 8. Drive motor; 9. End plate; 10. Cutter; 11. Electric cylinder; 12. Guide rod; 13. End shovel; 14. Moving wheel. Detailed Implementation

[0028] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0029] According to an embodiment of the present invention, a lettuce harvester is provided.

[0030] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, the lettuce harvester according to an embodiment of the present invention includes a mounting frame 1 and a placement frame 6. A side baffle 4 is fixedly mounted on the top surface of the mounting frame 1, and a suspension roller 7 is rotatably connected through the surface of the side baffle 4. A first conveyor belt 2 and a second conveyor belt 3 are respectively sleeved on the surface of the suspension roller 7. A limit ring is fixedly mounted on the other end of the suspension roller 7 to prevent the first conveyor belt 2 and the second conveyor belt 3 from falling off. This is a common structure and is not shown in detail in the figure. A drive motor 8 is fixedly mounted on the surface of the side baffle 4, and the output end of the drive motor 8 is fixedly connected to one end of the suspension roller 7. A root groove 5 is opened between the first conveyor belts 2 at one end of the mounting frame 1, and a blade groove is opened through the inside of the mounting frame 1 on both sides of the root groove 5. A cutter 10 is inserted through the blade groove. An end plate 9 is fixedly connected to the other end of the cutter 10, and an electric cylinder 11 is connected between the end plate 9 and the side baffle 4. The other end of the mounting frame 1 is fixed. The device is equipped with a placement frame 6, with casters 14 fixedly mounted on the bottom. Two sets of first conveyor belts 2 and second conveyor belts 3 are symmetrically arranged. Root grooves 5 are located at one end of the mounting frame 1. When harvesting lettuce, workers can push the device, inserting the end shovel 13 at one end of the mounting frame 1 under the lettuce leaves, aligning the root groove 5 with the lettuce root, and pushing the mounting frame 1. The lettuce root enters the root groove 5, and the electric cylinder 11 extends and retracts, moving the end plate 9, which in turn moves the cutter 10 to cut the lettuce root. The cut lettuce naturally tilts to the top of the first conveyor belt 2, is conveyed through the first conveyor belt 2 to the top of the second conveyor belt 3, and then through the second conveyor belt 3 to the collection frame on the top of the placement frame 6, completing the automatic harvesting and collection. This device has a simple structure, is easy to move, and is more flexible in use. It is suitable for harvesting lettuce grown in hydroponics and soil, and has a wider range of applications.

[0031] In one embodiment, the placement rack 6 has an L-shaped structure, and the top surface of the placement rack 6 is roughened to increase friction and prevent the collection box from slipping. The bottom surface of the placement rack 6 is equipped with casters 14, which serve to support and move the rack, making it convenient for staff to push and use. The top surface of the placement rack 6 can hold collection boxes, making it convenient for staff to collect and transfer production materials. It is suitable for placing and using collection boxes of various sizes, further improving the convenience of use.

[0032] In one embodiment, four sets of movable wheels 14 are arranged, and the movable wheels 14 are located at the corner of the bottom surface of the placement frame 6. This is a common movable structure and will not be described in detail here.

[0033] In one embodiment, the first conveyor belt 2 is arranged horizontally and the second conveyor belt 3 is arranged obliquely to facilitate the transport of lettuce to the collection box.

[0034] In one embodiment, the mounting frame 1 has an end shovel 13 at one end, and the root groove 5 passes through the end shovel 13. The width of the root groove 5 is greater than the outer diameter of the lettuce root, and the length of the root groove 5 is not less than 30cm, so that the lettuce root can enter the root groove 5.

[0035] In one embodiment, the height of the side baffle 4 is greater than the height of the lettuce plant, and the surface of the side baffle 4 is polished to prevent the lettuce from falling off the sides of the mounting rack 1.

[0036] In one embodiment, a guide rod 12 is fixedly installed on the surface of the side baffle 4. The guide rod 12 serves to guide the movement of the end plate 9 and the cutter 10. The guide rod 12 passes through the end plate 9 and is slidably connected to the end plate 9. The two ends of the electric cylinder 11 are fixedly connected to the end plate 9 and the side baffle 4, respectively.

[0037] Working principle:

[0038] The root groove 5 is located at one end of the mounting frame 1. When harvesting lettuce, the worker can push the device, insert the end shovel 13 at one end of the mounting frame 1 under the lettuce leaves, align the root groove 5 with the lettuce root, and push the mounting frame 1 so that the lettuce root enters the root groove 5. The electric cylinder 11 extends and retracts, causing the end plate 9 to move, which in turn moves the cutter 10 to cut the lettuce root. The cut lettuce naturally tilts to the top surface of the first conveyor belt 2, is conveyed through the first conveyor belt 2 to the top surface of the second conveyor belt 3, and then through the second conveyor belt 3 to the collection frame on the top surface of the placement frame 6, completing the automatic harvesting and collection. This device has a simple structure, is easy to move, and is more flexible in use. It is suitable for harvesting lettuce grown in hydroponics and soil, and has a wider range of applications. At the same time, the bottom surface of the placement frame 6 is equipped with casters 14, which provide support and facilitate movement, making it convenient for workers to push and use. The top surface of the placement frame 6 can be used to place collection frames, making it convenient for workers to collect and transfer the produce. It is suitable for the placement and use of collection frames of various sizes, further improving the convenience of use.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lettuce harvester, characterized in that, The system includes a mounting frame (1) and a placement frame (6). A side baffle (4) is fixedly mounted on the top surface of the mounting frame (1), and a suspension roller (7) is rotatably connected through the surface of the side baffle (4). A first conveyor belt (2) and a second conveyor belt (3) are respectively sleeved on the surface of the suspension roller (7). A drive motor (8) is fixedly mounted on the surface of the side baffle (4), and the output end of the drive motor (8) is fixedly connected to one end of the suspension roller (7). A root groove (5) is opened between the first conveyor belts (2) at one end of the mounting frame (1), and a knife groove is opened through the inside of the mounting frame (1) on both sides of the root groove (5). A cutter (10) is inserted through the inside of the knife groove. An end plate (9) is fixedly connected to the other end of the cutter (10), and an electric cylinder (11) is connected between the end plate (9) and the side baffle (4). A placement frame (6) is fixedly mounted on the other end of the mounting frame (1), and a moving wheel (14) is fixedly mounted on the bottom surface of the placement frame (6).

2. The lettuce harvester according to claim 1, characterized in that, The placement rack (6) has an L-shaped structure, and the top surface of the placement rack (6) is roughened.

3. The lettuce harvester according to claim 1, characterized in that, The movable wheels (14) are arranged in four sets, and the movable wheels (14) are located at the corner of the bottom surface of the placement frame (6).

4. The lettuce harvester according to claim 1, characterized in that, The first conveyor belt (2) is arranged horizontally, and the second conveyor belt (3) is arranged obliquely.

5. The lettuce harvester according to claim 1, characterized in that, The mounting bracket (1) has an end shovel (13) at one end, and the root groove (5) passes through the end shovel (13).

6. The lettuce harvester according to claim 1, characterized in that, The width of the root groove (5) is greater than the outer diameter of the lettuce root, and the length of the root groove (5) is not less than 30cm.

7. The lettuce harvester according to claim 1, characterized in that, The height of the side baffle (4) is greater than the height of the lettuce plant, and the surface of the side baffle (4) is polished.

8. The lettuce harvester according to claim 1, characterized in that, A guide rod (12) is fixedly installed on the surface of the side baffle (4), and the guide rod (12) passes through the end plate (9) and is slidably connected to the end plate (9).

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