Sowing quantity adjusting mechanism and electric sowing machine thereof
By using a servo motor to drive the rotating drum and movable plate through a spreading rate adjustment mechanism, the problem of inconvenient spreading rate adjustment in electric spreaders is solved, achieving precise and stable spreading, and improving the ease of operation and applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LISHU COUNTY AGRICULTURAL INVESTMENT ZHENGTONG DEVELOPMENT SERVICE CO LTD
- Filing Date
- 2025-04-14
- Publication Date
- 2026-04-28
AI Technical Summary
Existing electric spreaders are prone to clogging when adjusting the fertilizer application rate, which affects the spreading effect and is inconvenient.
The spreading amount adjustment mechanism includes a hopper, a spreading mechanism, and an adjustment mechanism. Through the cooperation of a servo motor driving a rotating drum and a movable plate, the spreading amount can be precisely adjusted to avoid clogging.
It enables the adjustment of the spreading rate according to demand, improves the applicability and stability of fertilizer spreading, avoids clogging of the fertilizer discharge port, and is safe and convenient to operate.
Smart Images

Figure CN224165184U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fertilizer spreading technology, and in particular to a spreading rate adjustment mechanism and its electric spreader. Background Technology
[0002] Electric spreaders are agricultural machines driven by electricity. Due to their high efficiency and convenience, electric spreaders are widely used in the field of agricultural fertilization.
[0003] However, most current electric spreaders adjust the amount of fertilizer spread by changing the size of the fertilizer outlet. This direct adjustment of the fertilizer outlet can easily lead to blockage when the outlet is made smaller, affecting fertilizer spread and making it inconvenient to use. Therefore, we propose a spreading amount adjustment mechanism and its electric spreader. Utility Model Content
[0004] The purpose of this invention is to provide a spreading rate adjustment mechanism and its electric spreader to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a spreading rate adjustment mechanism, comprising:
[0006] A hopper, wherein a connecting cylinder is fixedly connected to the bottom end of the hopper, and a mounting bracket is fixedly connected to the outer wall of the hopper;
[0007] A spreading mechanism, wherein the spreading mechanism is disposed inside the connecting cylinder;
[0008] An adjustment mechanism is provided inside the spreading mechanism, and the adjustment mechanism is used to change the spreading amount of the spreading mechanism.
[0009] Preferably, the dispersing mechanism includes:
[0010] A fixed cylinder is fixedly connected to the inner wall of the connecting cylinder;
[0011] The rotating drum has a rotating cavity inside the fixed drum. The rotating drum is rotatably connected to the inner wall of the rotating cavity. A first servo motor is installed on one side of the connecting drum, and the output end of the first servo motor is connected to one side of the rotating drum for transmission.
[0012] The material chamber is symmetrically opened on the outer wall of the rotating drum, and the adjustment mechanism is located inside the material chamber.
[0013] Preferably, the adjusting mechanism includes a movable plate that is slidably disposed on the inner wall of the material cavity, and the rotating drum is provided with a moving mechanism inside.
[0014] Preferably, the moving mechanism includes:
[0015] The movable rod has an opening on the other side of the rotating drum, and a movable hole is provided between the material cavity and the opening. The outer wall of the movable rod is movably connected to the inner wall of the movable hole.
[0016] A retaining shaft is provided, wherein one end of the movable rod is fixedly connected to a connecting rod, and the retaining shaft is fixedly connected to one end of the connecting rod.
[0017] A movable platform is movably disposed inside the opening. The outer wall of the movable platform has a sliding groove, and the connecting rod is inserted into the inner wall of the sliding groove. The inner wall of the sliding groove has a retaining groove, and the retaining shaft is inserted into the inner wall of the retaining groove.
[0018] Preferably, a movable block is fixedly connected to one side of the movable stage, a connecting cavity is opened on one side of the movable block, a turntable is rotatably connected to the inner wall of the connecting cavity, a threaded hole is opened on one side of the turntable, a lead screw is connected to the inner wall of the threaded hole, a second servo motor is installed on the other side of the connecting cylinder, the output end of the second servo motor is drivenly connected to one end of the lead screw, a limit rod is fixedly connected to the inner wall of the connecting cylinder, a limit hole is opened on one side of the turntable, and the outer wall of the limit rod is movably inserted into the inner wall of the limit hole.
[0019] Preferably, a square hole is provided on the other side of the mobile platform, and a square rod is fixedly connected to the inner wall of the hole, with the outer wall of the square rod movably interlocking with the inner wall of the square hole.
[0020] Preferably, a cone block is fixedly connected to the bottom of the inner wall of the hopper, and a fertilizer discharge port is provided at intervals on the bottom of the outer wall of the connecting cylinder.
[0021] This utility model also provides an electric spreader, including the spreading amount adjustment mechanism described in any one of the above.
[0022] The technical effects and advantages of this utility model are as follows:
[0023] This invention uses a spreading mechanism to spread fertilizer from the hopper. With the assistance of an adjustment mechanism, the spreading amount of the spreading mechanism can be changed as needed, allowing the spreading mechanism to spread an appropriate amount of fertilizer according to requirements. This improves the applicability of fertilizer spreading, and this adjustment method does not affect the fertilizer discharge port, ensuring the stability of fertilizer spreading. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0025] Figure 2 This is a front cross-sectional view of the present invention.
[0026] Figure 3 This is a front cross-sectional view of the connecting cylinder of this utility model.
[0027] Figure 4 This utility model Figure 3 A magnified schematic diagram of the structure at point A.
[0028] Figure 5 This utility model Figure 3 A magnified schematic diagram of the structure at point B.
[0029] Figure 6 This is a schematic diagram of the side cross-sectional structure of the rotating drum of this utility model.
[0030] In the diagram: 101, hopper; 102, connecting cylinder; 201, fixed cylinder; 202, rotating cavity; 203, rotating cylinder; 204, material cavity; 205, first servo motor; 301, movable plate; 401, movable hole; 402, movable rod; 403, connecting rod; 404, retaining shaft; 405, sliding groove; 406, retaining groove; 407, moving table; 501, moving block; 502, connecting cavity; 503, turntable; 504, lead screw; 505, threaded hole; 506, second servo motor; 507, limiting hole; 508, limiting rod; 601, square hole; 602, square rod; 701, cone block; 702, fertilizer discharge port. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] This utility model provides, for example Figures 1-6 The illustrated spreading rate adjustment mechanism includes a hopper 101, a spreading mechanism, and an adjustment mechanism. A connecting cylinder 102 is fixedly connected to the bottom end of the hopper 101, and a mounting frame is fixedly connected to the outer wall of the hopper 101. The spreading mechanism is located inside the connecting cylinder 102, and the adjustment mechanism is located inside the spreading mechanism. The adjustment mechanism is used to change the spreading rate of the spreading mechanism. The spreading mechanism spreads the fertilizer in the hopper 101. With the cooperation of the adjustment mechanism, the spreading rate of the spreading mechanism can be changed as needed, so that the spreading mechanism can spread an appropriate amount of fertilizer according to the requirements, thereby improving the applicability of fertilizer spreading. Moreover, this adjustment method does not affect the fertilizer discharge from the fertilizer outlet, ensuring the stability of fertilizer spreading.
[0033] The spreading mechanism includes a fixed cylinder 201, a rotating cylinder 203, and a material cavity 204. The fixed cylinder 201 is fixedly connected to the inner wall of the connecting cylinder 102. The rotating cavity 202 is opened inside the fixed cylinder 201. The rotating cylinder 203 is rotatably connected to the inner wall of the rotating cavity 202. A first servo motor 205 is installed on one side of the connecting cylinder 102. The output end of the first servo motor 205 is connected to one side of the rotating cylinder 203. The material cavity 204 is symmetrically opened on the outer wall of the rotating cylinder 203. An adjustment mechanism is set inside the material cavity 204. The working belt of the first servo motor 205 rotates the rotating cylinder 203. During the rotation of the rotating cylinder 203, the fertilizer in the hopper 101 will enter the corresponding material cavity 204 through the top of the fixed cylinder 201. Then, as the rotating cylinder 203 rotates, the fertilizer in the material cavity 204 will fall from the bottom of the fixed cylinder 201, thereby spreading the fertilizer.
[0034] The adjustment mechanism includes a movable plate 301, which is slidably disposed on the inner wall of the material cavity 204. The rotating drum 203 is equipped with a moving mechanism. By moving the movable plate 301 within the material cavity 204, the amount of fertilizer entering the material cavity 204 can be adjusted, thereby improving the applicability of the spreading mechanism.
[0035] The moving mechanism includes a movable rod 402, a retaining shaft 404, and a moving table 407. An opening is provided on the other side of the rotating drum 203. A movable hole 401 is provided between the material cavity 204 and the opening. The outer wall of the movable rod 402 is movably connected to the inner wall of the movable hole 401. A connecting rod 403 is fixedly connected to one end of the movable rod 402. The retaining shaft 404 is fixedly connected to one end of the connecting rod 403. The moving table 407 is movably disposed inside the opening. The outer wall of the moving table 407 has a... The sliding groove 405 has a connecting rod 403 inserted into its inner wall. The inner wall of the sliding groove 405 has a slot 406, and the retaining shaft 404 is inserted into the inner wall of the slot 406. The retaining shaft 404 is limited and guided by the slot 406. With the connection of the connecting rod 403 and the movable rod 402, the movement of the moving table 407 can drive the movable plate 301 to move, so that the two movable plates 301 can move at the same time, thereby improving the convenience of the adjustment mechanism.
[0036] The movable stage 407 has a movable block 501 fixedly connected to one side, a connecting cavity 502 on one side of the movable block 501, a turntable 503 rotatably connected to the inner wall of the connecting cavity 502, a threaded hole 505 on one side of the turntable 503, a lead screw 504 connected to the inner wall of the threaded hole 505, a second servo motor 506 installed on the other side of the connecting cylinder 102, the output end of the second servo motor 506 being drivenly connected to one end of the lead screw 504, a limit rod 508 fixedly connected to the inner wall of the connecting cylinder 102, a limit hole 507 on one side of the turntable 503, and the outer wall of the limit rod 508 movably interlocking with the inner wall of the limit hole 507. The second servo motor 506 drives the lead screw 504 to rotate. Through the engagement of the outer wall of the lead screw 504 with the inner wall of the threaded hole 505, and the limiting hole 507 limiting the limit rod 508, the rotation of the lead screw 504 can drive the moving block 501 to move. The movement of the moving block 501 can drive the moving table 407 to move, thereby moving the movable plate 301. The second servo motor 506 and the first servo motor 205 are electrically connected to an external power supply through external switches, which facilitates the operation of the second servo motor 506 and the first servo motor 205 by the operator, improving the safety and convenience of operation.
[0037] The other side of the mobile platform 407 has a square hole 601, and a square rod 602 is fixedly connected to the inner wall of the hole. The outer wall of the square rod 602 is movably inserted into the inner wall of the square hole 601. Through the mutual limiting of the square hole 601 and the square rod 602, the rotation of the rotating drum 203 can drive the mobile platform 407 to rotate, thereby ensuring the stability of the spreading mechanism.
[0038] The bottom of the inner wall of the hopper 101 is fixedly connected to a cone block 701, and the bottom of the outer wall of the connecting cylinder 102 is provided with fertilizer discharge ports 702 at intervals. The fertilizer falling from the material cavity 204 will fall into the cone block 701, and then slide down along the inclined surface of the movable hole 401 and be discharged from the connecting cylinder 102 through the fertilizer discharge ports 702, thereby completing the spreading of fertilizer.
[0039] This utility model also provides an electric spreader, including any of the above-mentioned spreader quantity adjustment mechanisms.
[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 seeding rate adjustment mechanism, characterized in that, include: A hopper (101) is fixedly connected to a connecting cylinder (102) at its bottom end, and a mounting frame is fixedly connected to the outer wall of the hopper (101). A spreading mechanism is disposed inside the connecting cylinder (102); The dissemination mechanism includes: A fixed cylinder (201) is fixedly connected to the inner wall of the connecting cylinder (102); Rotary cylinder (203), the fixed cylinder (201) has a rotating cavity (202) inside, the rotating cylinder (203) is rotatably connected to the inner wall of the rotating cavity (202), a first servo motor (205) is installed on one side of the connecting cylinder (102), and the output end of the first servo motor (205) is connected to one side of the rotating cylinder (203) for transmission. The material chamber (204) is symmetrically opened on the outer wall of the rotating drum (203), and the adjusting mechanism is disposed inside the material chamber (204). An adjustment mechanism is provided inside the spreading mechanism. The adjustment mechanism is used to change the spreading amount of the spreading mechanism. The adjustment mechanism includes a movable plate (301), which is slidably disposed on the inner wall of the material cavity (204). A moving mechanism is provided inside the rotating drum (203). The mobile mechanism includes: The movable rod (402) has an opening on the other side of the rotating drum (203), and a movable hole (401) is provided between the material cavity (204) and the opening. The outer wall of the movable rod (402) is movably inserted and connected to the inner wall of the movable hole (401). A retaining shaft (404) is fixedly connected to a connecting rod (403) at one end of the movable rod (402), and the retaining shaft (404) is fixedly connected to one end of the connecting rod (403); A movable stage (407) is movably disposed inside the opening. A sliding groove (405) is provided on the outer wall of the movable stage (407). A connecting rod (403) is inserted into the inner wall of the sliding groove (405). A slot (406) is provided on the inner wall of the sliding groove (405). A retaining shaft (404) is inserted into the inner wall of the slot (406).
2. The spreading rate adjustment mechanism according to claim 1, characterized in that, A movable block (501) is fixedly connected to one side of the movable stage (407). A connecting cavity (502) is opened on one side of the movable block (501). A turntable (503) is rotatably connected to the inner wall of the connecting cavity (502). A threaded hole (505) is opened on one side of the turntable (503). A lead screw (504) is connected to the inner wall of the threaded hole (505). A second servo motor (506) is installed on the other side of the connecting cylinder (102). The output end of the second servo motor (506) is connected to one end of the lead screw (504). A limit rod (508) is fixedly connected to the inner wall of the connecting cylinder (102). A limit hole (507) is opened on one side of the turntable (503). The outer wall of the limit rod (508) is movably inserted into the inner wall of the limit hole (507).
3. The spreading rate adjustment mechanism according to claim 1, characterized in that, A square hole (601) is provided on the other side of the mobile platform (407), and a square rod (602) is fixedly connected to the inner wall of the hole. The outer wall of the square rod (602) is movably inserted into the inner wall of the square hole (601).
4. The spreading rate adjustment mechanism according to claim 1, characterized in that, A cone block (701) is fixedly connected to the bottom of the inner wall of the hopper (101), and a fertilizer discharge port (702) is provided at intervals on the bottom of the outer wall of the connecting cylinder (102).
5. An electric spreader, characterized in that, Includes the spreading rate adjustment mechanism described in any one of claims 1-4.