Automatic corn planter

By setting up a trench opening mechanism that adjusts the depth of the trench opening and a seeding mechanism that realizes quantitative sowing in the corn seed, the problem of difficult to ensure seed stuck and sowing uniformity is solved, and the survival rate and sowing uniformity of corn seeds are improved.

CN222852646UActive Publication Date: 2025-05-13HEDONG DISTRICT JINLONG AGRICULTURAL MACHINERY SERVICE PROFESSIONAL COOP
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421900268.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-05-13
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

During the sowing process of existing corn seeders, the seeds are prone to jamming, making it difficult to ensure the uniformity of seeding, especially when the seeding density increases and the rotary speed increases.

Method used

An automated corn seeder was designed. By setting up a trenching mechanism, the lifting rod is adjusted according to the soil quality of different planting sites, thereby adjusting the trenching depth and improving the survival rate of seeds. At the same time, the seeding mechanism achieves the sowing of a quantitative seed wheel and a groove set to sow a quantitative seed within a fixed distance.

Benefits of technology

By adjusting the depth of the trench and seeding density, the survival rate and sowing uniformity of corn seeds are improved, ensuring the smooth progress of the sowing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222852646U_ABST
    Figure CN222852646U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic corn planter and belongs to the technical field of seeding equipment. The periphery of the bottom of the frame is fixedly provided with a wheel axle frame, the wheel axle frame is rotatably connected with a wheel axle, the front part of the frame is fixedly provided with a ditching mechanism, the middle part of the frame is fixedly provided with a seeding mechanism, the rear part of the frame is fixedly provided with a soil covering mechanism, the frame is also provided with a power mechanism, and the front part of the frame is fixedly provided with a fixed frame. By arranging the ditching mechanism, the lifting rod can be adjusted according to the soil quality of different planting fields, so that the ditching depth is adjusted, and the survival rate of corn seeds is improved; by arranging the sowing mechanism, quantitative corn seeds can be sown within a fixed distance, and the number of the sown seeds within the fixed distance is achieved through cooperation of different groove sets and seed passing through pipes. The corn seeder is mainly used for seeding corn.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of sowing equipment, and in particular relates to an automatic corn sowing machine. Background Art

[0002] A corn planter refers to a planting machine that sows corn seeds. The planter is usually called by the name of the crop type, such as corn planter, grain drill, corn hole seeder, cotton planter, forage spreader, etc.

[0003] A Chinese patent with authorization announcement number "CN216451858U" discloses a fully automatic corn planter, including a power mechanism, a furrowing mechanism, a sowing mechanism, a spraying mechanism, a soil covering mechanism and a pressing mechanism. The furrowing mechanism is arranged at the rear of the power mechanism, and the furrowing mechanism includes a front frame connected to the power mechanism. A hoe-type furrow opener is provided at the front end of the front frame, and a rear frame is provided at the rear end of the front frame. The device is designed as an integral whole and can complete the sowing process fully automatically without the need for multiple people to operate.

[0004] During the later use, the device still had the following problems: the corn seeds in the seed box were easily stuck in the sowing mechanism during the sowing process and could not smoothly enter the turntable to complete the sowing operation; as the sowing density increased, the speed of the turntable became higher and higher, and it was easy for the corn seeds to fail to get stuck in the turntable, making it difficult to ensure the uniformity of corn sowing. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art and to provide an automatic corn seeder, which can adjust the lifting rod according to the soil quality of different planting sites by setting a furrowing mechanism, thereby adjusting the furrowing depth and improving the survival rate of corn seeds.

[0006] The automatic corn seeder comprises a frame, wherein wheel axle frames are fixedly provided around the bottom of the frame, wheel axles are rotatably connected to the wheel axle frames, wheels are fixedly connected to both sides of the wheel axles, a ditching mechanism is fixedly provided at the front of the frame, a sowing mechanism is fixedly provided at the middle of the frame, a soil covering mechanism is fixedly provided at the rear of the frame, a power mechanism is also provided on the frame, a fixing frame is fixedly provided at the front of the frame, a rib plate is fixedly connected to the rear of the fixing frame, bolt holes are fixedly provided on the fixing frame, a driving motor is also fixedly connected to the front of the frame, a sowing through hole is fixedly provided in the middle of the frame, an electric push rod is fixedly provided in the middle of the frame, a push plate is provided on the electric push rod, a limiting frame is fixedly provided at the upper side of the rear of the frame, an opening is fixedly provided at the bottom of the limiting frame, and a swivel seat is fixedly provided at the lower side of the rear of the frame.

[0007] Preferably, the trenching mechanism includes a lifting rod and a limiting bolt. The lifting rod is slidably connected to the fixed frame. A plurality of limiting holes are fixedly provided on the lifting rod. A limiting bolt cooperates with a limiting hole. A limiting bolt cooperates with the bolt hole. A soil-breaking corner block is fixedly provided at the bottom of the lifting rod.

[0008] Preferably, the sowing mechanism includes a seed box, a stirring rod is provided inside the seed box, a plurality of turning plates are fixedly connected to the stirring rod, a plurality of seed passing pipes are fixedly connected to the bottom of the seed box, a slide groove is fixedly provided on the seed passing pipe, a valve plate is slidably connected to the slide groove, a seed bin is fixedly connected to the bottom of the seed passing pipe, a quantitative seed taking wheel is provided inside the seed bin, a plurality of seed tubes are fixedly connected to the bottom of the seed bin, and the seed tubes are fixedly connected to the sowing through holes.

[0009] Preferably, the quantitative seed wheel is fixedly provided with groove group one, groove group two and groove group three, and groove group one, groove group two and groove group three are all matched with the seed through pipe. A pull rod is fixedly connected to one side of the quantitative seed wheel, and the pull rod extends outward from the lower seed bin. The outermost part of the pull rod is rotatably connected to the push plate, and a square groove is fixedly provided at the other end of the quantitative seed wheel.

[0010] Preferably, the power mechanism includes a driving wheel, a driven wheel one, a driven wheel two and a driven wheel four, the driving wheel is fixedly connected to the output shaft of the driving motor, the driven wheel one is fixedly connected to the wheel axle, the driven wheel two is fixedly connected to the driven wheel three on the outer side, the driven wheel two is fixedly provided with a square shaft on the inner side, the square shaft is circumferentially fixed to the square groove, the driving wheel, the driven wheel one and the driven wheel two are commonly connected to a transmission belt one, the driven wheel four is fixedly connected to one end of the stirring rod, and the driven wheel four and the driven wheel three are commonly connected to a transmission belt two.

[0011] Preferably, the soil covering mechanism includes a mounting rod and two limiting bolts, the top of the mounting rod is rotatably connected to the swivel seat, the bottom of the mounting rod is rotatably connected to a covering wheel, the middle of the mounting rod is rotatably connected to a limiting rod, the limiting rod cooperates with the opening, and a plurality of groups of limiting holes two are fixedly provided on the limiting rod, the limiting holes two cooperate with the limiting bolts two, and the limiting bolts two cooperate with the limiting frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting up a trenching mechanism, the lifting rod can be adjusted according to the soil quality of different planting sites, thereby adjusting the trenching depth and improving the survival rate of corn seeds.

[0014] 2. By setting up a sowing mechanism, a fixed amount of corn seeds can be sown within a fixed distance. By coordinating different trough groups with seed passing pipes, the number of seeds sown within a fixed distance can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the top of the frame;

[0018] Figure 4 It is a structural schematic diagram of the bottom of the frame;

[0019] Figure 5 It is a structural schematic diagram of the trenching mechanism and the soil covering mechanism;

[0020] Figure 6 It is a structural diagram of the power mechanism and the seeding mechanism;

[0021] Figure 7 It is a schematic diagram of the internal structure of the seeding mechanism;

[0022] Figure 8 It is a schematic diagram of the structure of the quantitative seed taking wheel;

[0023] Fig. 9 It is a structural schematic diagram of the soil covering mechanism.

[0024] In the figure, 1, frame; 101, axle frame; 102, sowing hole; 103, fixing frame; 103A, rib plate; 103B, bolt hole; 104, driving motor; 105, electric push rod; 105A, push plate; 106, limit frame; 106A, opening; 107, swivel seat; 2, axle; 3, furrowing mechanism; 301, lifting rod; 301A, soil breaking corner block; 301B, limit hole 1; 302, limit bolt 1; 4, sowing mechanism; 401, seed box; 402, seed through pipe; 402A, slide; 402B, valve plate; 403, lower seed bin; 404, Agitating rod; 404A, turning plate; 405, quantitative seed wheel; 405A, pulling rod; 405B, trough group one; 405C, trough group two; 405D, trough group three; 405E, square trough; 406, seed tube; 5, soil covering mechanism; 501, mounting rod; 502, soil covering wheel; 503, limiting rod; 503A, limiting hole two; 504, limiting bolt two; 6, power mechanism; 601, driving wheel; 602, transmission belt one; 603, driven wheel one; 604, driven wheel two; 604A, square shaft; 605, driven wheel three; 606, transmission belt two; 607, driven wheel four. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings:

[0026] The directional nouns involved in the detailed description paragraphs are only for the convenience of those skilled in the art to understand the technical solutions described in this application according to the visual orientation shown in the accompanying drawings. Unless otherwise clearly specified and limited, the terms "setting", "installation", "connection", etc. should be understood in a broad sense. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0027] like Figure 1 and Figure 2 As shown, an automatic corn seeder comprises a frame 1, wherein wheel axle frames 101 are fixedly provided around the bottom of the frame 1, wheel axles 2 are rotatably connected to the wheel axle frames 101, wheels are fixedly connected to both sides of the wheel axles 2, and a furrowing mechanism 3 is fixedly provided at the front of the frame 1. By providing the furrowing mechanism 3, the lifting rod 301 can be adjusted according to the soil quality of different planting sites, thereby adjusting the furrowing depth and improving the survival rate of corn seeds; a sowing mechanism 4 is fixedly provided at the middle of the frame 1, by providing the sowing mechanism 4, a fixed amount of corn seeds can be sown within a fixed distance, and the number of seeds sown within a fixed distance can be achieved by cooperating with different trough groups and seed through pipes 402; a soil covering mechanism 5 is fixedly provided at the rear of the frame 1, by providing the soil covering mechanism 5, soil is re-covered on the seeds, and the thickness of the soil covering is adjusted by adjusting the height of the soil covering wheel 502; a power mechanism 6 is also provided on the frame 1, and driven by the power mechanism 6, the seeder can perform quantitative sowing operations while moving forward; Figure 3 and Figure 4 As shown, a fixing frame 103 is fixedly provided at the front of the frame 1, and a rib plate 103A is fixedly connected to the rear of the fixing frame 103. By providing the rib plate 103A, the structural strength of the fixing frame 103 can be strengthened; a bolt hole 103B is fixedly provided on the fixing frame 103, a driving motor 104 is also fixedly connected to the front of the frame 1, a sowing through hole 102 is fixedly provided in the middle of the frame 1, an electric push rod 105 is also fixedly provided in the middle of the frame 1, a push plate 105A is provided on the electric push rod 105, a limiting frame 106 is fixedly provided on the upper side of the rear of the frame 1, an opening 106A is fixedly provided at the bottom of the limiting frame 106, and a swivel seat 107 is fixedly provided on the lower side of the rear of the frame 1.

[0028] like Figure 5As shown, the trenching mechanism 3 includes a lifting rod 301 and a limiting bolt 302. The lifting rod 301 is slidably connected to the fixed frame 103. A plurality of limiting holes 301B are fixedly provided on the lifting rod 301. The limiting bolt 302 matches the limiting hole 301B. The limiting bolt 302 matches the bolt hole 103B. A ground-breaking corner block 301A is fixedly provided at the bottom of the lifting rod 301. The lifting rod 301 is slid up and down in the fixed frame 103 to change the depth of the ground-breaking corner block 301A penetrating into the soil, and the limiting bolt 302 is screwed into the bolt hole 103B and the limiting hole 301B to complete the fixing of the lifting rod 301.

[0029] like Figure 7 As shown, the sowing mechanism 4 includes a seed box 401, and a stirring rod 404 is arranged inside the seed box 401. A plurality of turning plates 404A are fixedly connected to the stirring rod 404. The rotation of the turning plates 404A can prevent the corn seeds in the seed box 401 from getting stuck in the seed tube 402. The turning plates 404A are arranged on both sides of the top of the seed tube 402. The turning plates 404A can continuously push the corn seeds to move, so that the corn seeds on the seed tube 402 are in a moving state, which is convenient for the corn seeds to smoothly enter the seed tube 402. The seeding tube 402 is fixedly provided with a chute 402A, and a valve plate 402B is slidably connected to the chute 402A. When the valve plate 402B is pulled out, the seeding tube 402 is opened, and the seeds can continue to fall through the seeding tube 402. When the valve plate 402B is closed, the corn seeds can only be left in the seed box 401; the seeding bin 403 is fixedly connected to the bottom of the seeding tube 402, and a quantitative seeding wheel 405 is arranged inside the seeding bin 403. A plurality of seeding tubes 406 are fixedly connected to the bottom of the seeding bin 403, and the seeding tubes 406 are fixedly connected to the sowing through hole 102. The seeding bin 403 cooperates with the quantitative seeding wheel 405. When the seeds fall to the top of the seeding bin 403, they can only enter the groove group on the quantitative seeding wheel 405, and move downward with the rotation of the quantitative seeding wheel 405, and fall into the soil from the seeding tube 406.

[0030] like Figure 8As shown, the quantitative seed wheel 405 is fixedly provided with a slot group 1 405B, a slot group 2 405C and a slot group 3 405D, and the slot group 1 405B, the slot group 2 405C and the slot group 3 405D are all matched with the seed through tube 402. The slot group 1 405B is provided with 8 groups of notches. When the slot group 1 405B contacts the seed through tube 402, the quantitative seed wheel 405 can drive 8 corn seeds to fall down with each rotation. The slot group 2 405C is provided with 4 groups of notches. When the slot group 2 405C contacts the seed through tube 402, the quantitative seed wheel 405 can drive 4 corn seeds to fall down with each rotation. The slot group 3 405D is provided with 2 groups of notches. When the slot group 3 405D contacts When the seed-passing tube 402 comes into contact, the quantitative seed wheel 405 can drive two corn seeds to fall down every time it rotates one circle; a pull rod 405A is fixedly connected to one side of the quantitative seed wheel 405, and the pull rod 405A extends outward from the lower seed bin 403. The outermost part of the pull rod 405A is rotatably connected to the push plate 105A. When the electric push rod 105 pushes the push plate 105A outward, the pull rod 405A drives the quantitative seed wheel 405 to slide horizontally in the lower seed bin 403, changing the coordination of different groove groups with the seed-passing tube 402, thereby changing the number of seeds sown by the sowing mechanism 4 within the same distance and changing the sowing density; a square groove 405E is fixedly provided at the other end of the quantitative seed wheel 405.

[0031] like Figure 6 As shown, the power mechanism 6 includes a driving wheel 601, a driven wheel one 603, a driven wheel two 604 and a driven wheel four 607, the driving wheel 601 is fixedly connected to the output shaft of the driving motor 104, the driven wheel one 603 is fixedly connected to the wheel axle 2, the driven wheel two 604 is fixedly connected to the driven wheel three 605 on the outer side, the driven wheel two 604 is fixedly provided with a square shaft 604A on the inner side, the square shaft 604A is circumferentially fixed to the square groove 405E, the driving wheel 601, the driven wheel one 603 and the driven wheel two 604 are commonly connected to a transmission belt one 602, the driven wheel four 607 is fixedly connected to one end of the stirring rod 404, and the driven wheel four 607 and the driven wheel three 605 are commonly connected to a transmission belt two 606. The driving motor 104 rotates, and the power is transmitted to the wheels, the quantitative seed wheel 405 and the stirring rod 404 through the transmission belt 1 602 and the transmission belt 2 606, so that the corn planter can achieve quantitative seeding operation and continuously stir the corn seeds in the seed box 401 while moving forward.

[0032] like Fig. 9As shown, the covering mechanism 5 includes a mounting rod 501 and a second limiting bolt 504. The top of the mounting rod 501 is rotatably connected to the swivel seat 107. The bottom of the mounting rod 501 is rotatably connected to the covering wheel 502. The middle of the mounting rod 501 is rotatably connected to a limiting rod 503. The limiting rod 503 matches the opening 106A. The limiting rod 503 is fixed with a plurality of second limiting holes 503A. The second limiting holes 503A match the second limiting bolts 504. The second limiting bolts 504 match the limiting frame 106. The height of the covering wheel 502 can be adjusted by pulling the limiting rod 503 and adjusting the second limiting bolts 504 to connect with the second limiting holes 503A at different positions.

[0033] The utility model can adjust the lifting rod 301 according to the soil quality of different planting sites by setting the trenching mechanism 3, thereby adjusting the trenching depth and improving the survival rate of corn seeds. By setting the sowing mechanism 4, a fixed amount of corn seeds can be sown within a fixed distance, and the number of seeds sown within a fixed distance can be achieved by cooperating with different groove groups and the seed through pipe 402.

Claims

1. An automatic corn planter, comprising a frame (1), wherein axle frames (101) are fixedly provided around the bottom of the frame (1), axle frames (2) are rotatably connected to the axle frames (101), and wheels are fixedly connected to both sides of the axle (2), characterized in that: The front of the vehicle frame (1) is fixedly provided with a furrowing mechanism (3), the middle of the vehicle frame (1) is fixedly provided with a sowing mechanism (4), the rear of the vehicle frame (1) is fixedly provided with a soil covering mechanism (5), the vehicle frame (1) is also provided with a power mechanism (6), the front of the vehicle frame (1) is fixedly provided with a fixing frame (103), the rear of the fixing frame (103) is fixedly connected with a rib plate (103A), the fixing frame (103) is fixedly provided with a bolt hole (103B), the front of the vehicle frame (1) is also fixedly connected with a driving motor (104), the middle of the vehicle frame (1) is fixedly provided with a sowing through hole (102), the middle of the vehicle frame (1) is also fixedly provided with an electric push rod (105), the electric push rod (105) is provided with a push plate (105A), the upper side of the rear of the vehicle frame (1) is fixedly provided with a limit frame (106), the bottom of the limit frame (106) is fixedly provided with an opening (106A), and the lower side of the rear of the vehicle frame (1) is fixedly provided with a swivel seat (107).

2. The automatic corn planter according to claim 1, characterized in that: The trenching mechanism (3) comprises a lifting rod (301) and a limiting bolt (302); the lifting rod (301) is slidably connected to a fixed frame (103); a plurality of groups of limiting holes (301B) are fixedly provided on the lifting rod (301); the limiting bolt (302) matches the limiting hole (301B); the limiting bolt (302) matches the bolt hole (103B); and a soil breaking corner block (301A) is fixedly provided at the bottom of the lifting rod (301).

3. The automatic corn planter according to claim 1, characterized in that: The sowing mechanism (4) comprises a seed box (401), a stirring rod (404) is provided inside the seed box (401), a plurality of turning plates (404A) are fixedly connected to the stirring rod (404), a plurality of seed passage pipes (402) are fixedly connected to the bottom of the seed box (401), a slide groove (402A) is fixedly provided on the seed passage pipe (402), a valve plate (402B) is slidably connected to the slide groove (402A), a lower seed bin (403) is fixedly connected to the bottom of the seed passage pipe (402), a quantitative seed removal wheel (405) is provided inside the lower seed bin (403), a plurality of lower seed tubes (406) are fixedly connected to the bottom of the lower seed bin (403), and the lower seed tubes (406) are fixedly connected to the sowing through hole (102).

4. The automatic corn planter according to claim 3, characterized in that: The quantitative seed taking wheel (405) is fixedly provided with a slot group one (405B), a slot group two (405C) and a slot group three (405D), and the slot group one (405B), the slot group two (405C) and the slot group three (405D) are all matched with the seed through pipe (402). A pull rod (405A) is fixedly connected to one side of the quantitative seed taking wheel (405), and the pull rod (405A) extends outwardly from the lower seed bin (403). The outermost part of the pull rod (405A) is rotatably connected to the push plate (105A), and a square slot (405E) is fixedly provided at the other end of the quantitative seed taking wheel (405).

5. The automatic corn planter according to claim 1, characterized in that: The power mechanism (6) comprises a driving wheel (601), a driven wheel one (603), a driven wheel two (604) and a driven wheel four (607); the driving wheel (601) is fixedly connected to the output shaft of the driving motor (104); the driven wheel one (603) is fixedly connected to the wheel shaft (2); the driven wheel three (605) is fixedly connected to the outer side of the driven wheel two (604); a square shaft (604A) is fixedly provided on the inner side of the driven wheel two (604); the square shaft (604A) is circumferentially fixed to the square groove (405E); the driving wheel (601), the driven wheel one (603) and the driven wheel two (604) are commonly connected to a transmission belt one (602); the driven wheel four (607) is fixedly connected to one end of the stirring rod (404); and the driven wheel four (607) and the driven wheel three (605) are commonly connected to a transmission belt two (606).

6. The automatic corn planter according to claim 1, characterized in that: The soil covering mechanism (5) comprises a mounting rod (501) and two limiting bolts (504); the top of the mounting rod (501) is rotatably connected to a rotating seat (107); the bottom of the mounting rod (501) is rotatably connected to a soil covering wheel (502); the middle of the mounting rod (501) is rotatably connected to a limiting rod (503); the limiting rod (503) is matched with an opening (106A); a plurality of groups of two limiting holes (503A) are fixedly provided on the limiting rod (503); the two limiting holes (503A) are matched with two limiting bolts (504); and the two limiting bolts (504) are matched with a limiting frame (106).

Citation Information

Patent Citations

  • Full-automatic corn planter

    CN216451858U