Grading device of tuber crop harvester

By designing servo motor-driven grading components and buffer devices on the potato crop harvester, the problems of grading device adjustment and potato damage are solved, and flexible grading and damage reduction are achieved.

CN222674976UActive Publication Date: 2025-03-28HANGZHOU KAIYAO MACHINE
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Patent Information

Application Number
CN202421453403.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-25
Publication Date
2025-03-28
Estimated Expiration
2034-06-25

AI Technical Summary

Technical Problem

The existing potato crop harvester grading device has weak function in adjusting the grading spacing, and it has insufficient function in preventing damage to potatoes, which leads to the easy damage to potatoes during collection.

Method used

A grading component including a servo motor, connecting rod, supporting frame, grading rod, spring and card block is designed. The servo motor drives the connecting rod to rotate and drive the support frame to shake. The operator can adjust the position of the grading rod as needed to achieve flexible grading. At the same time, through the setting of slide rails and buffering, damage to potatoes during the drop process is reduced.

Benefits of technology

The flexible adjustment of the grading device is realized to adapt to the grading size of different needs, avoiding the problem of difficult adjustment of the middle spacing of the traditional device; at the same time, the damage of potatoes is reduced through the buffer device and the quality of the collected product is improved.

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Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a grading device of a tuber crop harvester, which comprises a machine body, a fixing plate is fixedly connected to the middle of one side of the machine body, and a grading component is fixedly connected to the top of the fixing plate. Through the arrangement of the servo motor, the connecting rod, the supporting frame, the grading rod, the spring and the clamping block, when the grading device is used, the connecting rod is driven to rotate back and forth through the operation of the servo motor, the supporting frame is driven to shake through the rotation of the connecting rod, and an operator can clamp the grading rod at different positions of the inner wall of the supporting frame according to requirements; and when the grading rods are clamped into the supporting frames, clamping blocks can be clamped into groove holes due to the tension of springs, so that the grading rods are fixed, the effect of adapting to different requirements is achieved, and the problems that due to different requirements, the grading sizes of the potatoes are different, the middle distance of a traditional grading device is difficult to adjust according to the requirements, and the grading size of the potatoes is not uniform are solved. And therefore, the device has limitation and is not convenient to use.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a grading device of a potato crop harvester. Background Art

[0002] Potato crops include potatoes, sweet potatoes, etc., and a potato crop harvester is needed for harvesting. When harvesting potatoes, they need to be graded according to their own size, so a potato grading device is needed to grade them.

[0003] However, the existing grading device of the potato crop harvester has the following disadvantages:

[0004] (1) The existing grading device of the potato crop harvester has a weak function of adjusting the grading spacing. When in use, due to different needs, the potato grading sizes are also different, and the middle spacing of the traditional grading device is difficult to adjust according to the needs, resulting in the device having limitations and being unfavorable for use;

[0005] (2) The grading device of the existing potato crop harvester has a weak function of preventing potato damage. When the potatoes are being collected, they fall directly into the collecting device, causing the potatoes to be easily damaged, which affects the subsequent normal sales. Utility Model Content

[0006] The purpose of the utility model is to provide a grading device for a potato crop harvester to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The grading device of the potato crop harvester comprises

[0009] A machine body, a fixing plate is fixedly connected to the middle part of one side of the machine body, a grading assembly is fixedly connected to the top of the fixing plate, the grading assembly includes a servo motor, a connecting rod, a support frame, a grading rod, a spring and a clamping block, the bottom of the servo motor is fixedly connected to the top of the fixing plate, one end of the servo motor is fixedly connected to the connecting rod, one end of the connecting rod is fixedly connected to the support frame, the inner side wall of the support frame is clamped with the grading rod, one end of the grading rod is fixedly connected to the spring, and one end of the spring is fixedly connected to the clamping block;

[0010] The inner bottom wall of the body is fixedly connected to a buffer assembly, and the buffer assembly includes a slide rail, a first slider, a collection box, a second slider, a connecting frame, a buffer rope and a handle. The bottom of the slide rail is fixedly connected to the inner bottom wall of the body, the first slider is slidably connected inside the slide rail, the top of the first slider is fixedly connected to the collection box, a limiting slide groove is provided inside the collection box, the second slider is slidably connected inside the limiting slide groove, one side of the second slider is fixedly connected to the connecting frame, the inner side wall of the connecting frame is fixedly connected to the buffer rope, and the top of the connecting frame is fixedly connected to the handle.

[0011] Preferably, a circular slot is provided inside the support frame, and the outer surface of the clamping block is clamped in the inside of the circular slot.

[0012] Preferably, the grading assembly further comprises a limiting rod and a limiting plate, one end of the limiting rod is fixedly connected to a side of the support frame away from the connecting rod, and the other end of the limiting rod is fixedly connected to the limiting plate.

[0013] Preferably, a connection slot is provided on one side of the top of the machine body, and a blanking frame is fixedly connected inside the connection slot.

[0014] Preferably, an arc-shaped slot is opened on one side of the machine body, and the outer surface of the connecting rod is rotatably connected to the inside of the arc-shaped slot.

[0015] Preferably, a mounting slot is provided in the middle of one side of the body, and a controller is fixedly connected inside the mounting slot.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The grading device of the potato crop harvester is provided with a servo motor, a connecting rod, a support frame, a grading rod, a spring and a clamping block. When in use, the operation of the servo motor drives the connecting rod to rotate back and forth, and the rotation of the connecting rod drives the support frame to shake. The operator can clamp the grading rod at different positions of the inner wall of the support frame according to the requirements to adjust the grading size of the potatoes. When the grading rod is clamped into the inside of the support frame, the clamping block will be clamped into the slot due to the tension of the spring itself, so that the grading rod is fixed, achieving the effect of adapting to different needs, avoiding the situation that the potato grading size is different due to different needs, and the middle spacing of the traditional grading device is difficult to adjust according to the needs, resulting in the device having limitations and being not conducive to use.

[0018] 2. The grading device of the potato crop harvester is provided with a slide rail, a first slider, a collection box, a second slider, a connecting frame, a buffer rope and a handle. When in use, the graded potatoes will fall onto the buffer rope. Due to the gravity of the potatoes themselves, the buffer ropes will expand to both sides, causing the potatoes to fall into the collection box, and buffering them before they fall completely. At this time, the handle is pulled to take out the connecting frame to take the potatoes, thereby achieving the effect of reducing damage to the potatoes and preventing the potatoes from falling directly into the collection device during collection, causing the potatoes to be easily damaged and affecting the subsequent normal sale. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembly of the hierarchical components of the utility model;

[0021] Figure 3 This is a schematic diagram of the disassembly of the buffer component of the utility model;

[0022] Figure 4 It is a schematic diagram of the partial structural disassembly of the buffer component of the utility model.

[0023] In the figure: 1. body; 2. fixing plate; 3. servo motor; 4. connecting rod; 5. support frame; 6. grading rod; 7. spring; 8. block; 9. slide rail; 10. first slider; 11. collection box; 12. second slider; 13. connecting frame; 14. buffer rope; 15. handle; 16. circular slot; 17. limit rod; 18. limit plate; 19. unloading frame; 20. arc slot; 21. controller. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-Figure 4 As shown, a technical solution provided by the utility model:

[0026] The grading device of the potato crop harvester comprises

[0027] The machine body 1 is fixedly connected with a fixing plate 2 in the middle of one side of the machine body 1, and a grading component is fixedly connected with the top of the fixing plate 2. The grading component includes a servo motor 3, a connecting rod 4, a support frame 5, a grading rod 6, a spring 7 and a clamping block 8. The bottom of the servo motor 3 is fixedly connected to the top of the fixing plate 2, one end of the servo motor 3 is fixedly connected with the connecting rod 4, one end of the connecting rod 4 is fixedly connected with the support frame 5, the inner side wall of the support frame 5 is clamped with the grading rod 6, one end of the grading rod 6 is fixedly connected with the spring 7, and one end of the spring 7 is fixedly connected with the clamping block 8. The servo motor 3 is driven by the running belt The movable connecting rod 4 rotates back and forth, and the rotation of the connecting rod 4 drives the support frame 5 to shake. The operator can clamp the grading rod 6 at different positions of the inner wall of the support frame 5 according to the requirements, so as to adjust the potato grading size. When the grading rod 6 is clamped into the inside of the support frame 5, the clamping block 8 is clamped into the slot due to the tension of the spring 7, so that the grading rod 6 is fixed, achieving the effect of adapting to different needs, avoiding the situation that the potato grading size is different due to different needs, and the middle spacing of the traditional grading device is difficult to adjust according to the needs, resulting in the device having limitations and being unfavorable for use;

[0028] The inner bottom wall of the machine body 1 is fixedly connected with a buffer assembly, which includes a slide rail 9, a first slider 10, a collection box 11, a second slider 12, a connection frame 13, a buffer rope 14 and a handle 15. The bottom of the slide rail 9 is fixedly connected to the inner bottom wall of the machine body 1, the inside of the slide rail 9 is slidably connected with the first slider 10, the top of the first slider 10 is fixedly connected with the collection box 11, a limited slide groove is provided inside the collection box 11, the inside of the limited slide groove is slidably connected with the second slider 12, one side of the second slider 12 is fixedly connected with the connection frame 13, and the connection frame 13 is fixedly connected with the first slider 10. A buffer rope 14 is fixedly connected to the inner wall, and a handle 15 is fixedly connected to the top of the connection frame 13. The graded potatoes will fall onto the buffer rope 14. Due to the gravity of the potatoes themselves, the buffer ropes 14 will expand to both sides, causing the potatoes to fall into the collection box 11, and buffering them before they fall completely. At this time, the handle 15 is pulled to take out the connection frame 13 to take the potatoes, thereby reducing the damage to the potatoes and preventing the potatoes from falling directly into the collection device during collection, causing the potatoes to be easily damaged and affecting the subsequent normal sales;

[0029] In this embodiment, preferably, a circular slot 16 is opened inside the support frame 5, and the outer surface of the card block 8 is snapped into the inside of the circular slot 16. When the card block 8 is snapped into the inside of the circular slot 16, the circular slot 16 fixes the card block 8 to prevent the card block 8 from loosening and falling off;

[0030] In this embodiment, preferably, the grading assembly further includes a limiting rod 17 and a limiting plate 18, one end of the limiting rod 17 is fixedly connected to the side of the support frame 5 away from the connecting rod 4, and the other end of the limiting rod 17 is fixedly connected to the limiting plate 18, when the support frame 5 rotates, the limiting rod 17 and the limiting plate 18 are driven to rotate, and the limiting rod 17 and the limiting plate 18 limit the support frame 5;

[0031] In this embodiment, preferably, a connection slot is provided on one side of the top of the machine body 1, and a material feeding frame 19 is fixedly connected to the inside of the connection slot. The material feeding frame 19 can be set to invert the harvested potatoes, and then the potatoes can be graded;

[0032] In this embodiment, preferably, an arc-shaped slot 20 is opened on one side of the body 1, and the outer surface of the connecting rod 4 is rotatably connected to the inside of the arc-shaped slot 20, and the setting of the arc-shaped slot 20 limits the rotation angle of the connecting rod 4 when the connecting rod 4 rotates;

[0033] In this embodiment, preferably, a mounting slot is opened in the middle of one side of the body 1, and a controller 21 is fixedly connected inside the mounting slot. The controller 21 is electrically connected to the servo motor 3, and the model of the controller 21 is TMA-4B 60A50A LJ-K-3F.

[0034] When the grading device of the potato crop harvester of this embodiment is in use, the operation of the servo motor 3 drives the connecting rod 4 to rotate back and forth, and the rotation of the connecting rod 4 drives the supporting frame 5 to shake. The operator can clamp the grading rod 6 at different positions of the inner wall of the supporting frame 5 according to the requirements, so as to adjust the potato grading size. When the grading rod 6 is clamped into the inside of the supporting frame 5, the clamping block 8 will be clamped into the slot due to the tension of the spring 7 itself, so that the grading rod 6 is fixed, achieving the effect of adapting to different needs, avoiding the situation that the potato grading size is different due to different needs, and the middle spacing of the traditional grading device is difficult to adjust according to the needs, resulting in the device having limitations and being not conducive to use. The graded potatoes will fall onto the buffer rope 14. Due to the gravity of the potatoes themselves, the buffer ropes 14 will expand to both sides, causing the potatoes to fall into the collecting box 11. Before the potatoes fall completely, they are buffered. At this time, the handle 15 is pulled to take out the connecting frame 13 to take the potatoes, thereby reducing the damage to the potatoes and preventing the potatoes from falling directly into the collecting device during collection, which causes the potatoes to be easily damaged and affects the subsequent normal sales. When the card block 8 is inserted into the circular slot 16, the circular slot 16 fixes the card block 8 to prevent the card block 8 from loosening and falling off. When the support frame 5 rotates, the limit rod 17 and the limit plate 18 will be driven to rotate. The limit rod 17 and the limit plate 18 limit the support frame 5. The setting of the blanking frame 19 can invert the harvested potatoes, and then the potatoes can be graded. The setting of the arc slot 20 limits the rotation angle of the connecting rod 4 when the connecting rod 4 rotates. The controller 21 is electrically connected to the servo motor 3, and the model of the controller 21 is TMA-4B 60A50A LJ-K-3F.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A grading device for a potato crop harvester, characterized in that: The machine comprises a body (1), a fixing plate (2) is fixedly connected to the middle of one side of the body (1), a grading assembly is fixedly connected to the top of the fixing plate (2), the grading assembly comprises a servo motor (3), a connecting rod (4), a support frame (5), a grading rod (6), a spring (7) and a clamping block (8), the bottom of the servo motor (3) is fixedly connected to the top of the fixing plate (2), one end of the servo motor (3) is fixedly connected to the connecting rod (4), one end of the connecting rod (4) is fixedly connected to the support frame (5), the inner side wall of the support frame (5) is clamped with the grading rod (6), one end of the grading rod (6) is fixedly connected to the spring (7), and one end of the spring (7) is fixedly connected to the clamping block (8); The inner bottom wall of the machine body (1) is fixedly connected to a buffer assembly, and the buffer assembly comprises a slide rail (9), a first slider (10), a collection box (11), a second slider (12), a connection frame (13), a buffer rope (14) and a handle (15). The bottom of the slide rail (9) is fixedly connected to the inner bottom wall of the machine body (1), the interior of the slide rail (9) is slidably connected to the first slider (10), the top of the first slider (10) is fixedly connected to the collection box (11), a limiting slide groove is provided inside the collection box (11), the interior of the limiting slide groove is slidably connected to the second slider (12), one side of the second slider (12) is fixedly connected to the connection frame (13), the inner side wall of the connection frame (13) is fixedly connected to the buffer rope (14), and the top of the connection frame (13) is fixedly connected to the handle (15).

2. The grading device for a potato crop harvester according to claim 1, characterized in that: A circular slot (16) is provided inside the support frame (5), and the outer surface of the clamping block (8) is clamped inside the circular slot (16).

3. The grading device for a potato crop harvester according to claim 1, characterized in that: The grading assembly further comprises a limiting rod (17) and a limiting plate (18), one end of the limiting rod (17) being fixedly connected to a side of the support frame (5) away from the connecting rod (4), and the other end of the limiting rod (17) being fixedly connected to the limiting plate (18).

4. The grading device for a potato crop harvester according to claim 1, characterized in that: A connection slot is provided on one side of the top of the machine body (1), and a material discharge frame (19) is fixedly connected inside the connection slot.

5. The grading device for a potato crop harvester according to claim 1, characterized in that: An arc-shaped slot hole (20) is provided on one side of the machine body (1), and the outer surface of the connecting rod (4) is rotatably connected to the inside of the arc-shaped slot hole (20).

6. The grading device for a potato crop harvester according to claim 1, characterized in that: A mounting slot is provided in the middle of one side of the machine body (1), and a controller (21) is fixedly connected inside the mounting slot.