Stubble-cleaning no-tillage corn precision seeder

By designing an adjustable stubble clearing blade and fertilizer furrow opener, the no-till precision corn seeder solves the problem of clogging when planting corn in fields with wheat straw and stubble, achieving efficient and uniform planting results, and improving the level of mechanization and corn yield.

CN223943199UActive Publication Date: 2026-02-27稷山县丰硕农机制造有限公司
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Patent Information

Application Number
CN202521050506.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-02-27
Estimated Expiration
2035-05-27

AI Technical Summary

Technical Problem

Existing seeders are prone to clogging when planting corn in fields with a lot of wheat straw and stubble, and manual clearing of the straw is required, resulting in low mechanization, uneven planting, and reduced corn yield.

Method used

A stubble-clearing no-till corn precision planter was designed, which includes an adjustable stubble-clearing blade and a fertilizer furrow opener. The stubble-clearing blade is driven by a gear reduction transmission system to clear the straw, and the fertilizer furrow opener and the seeding furrow opener work together to sow the seeds, achieving precise control of the strip sowing area.

Benefits of technology

This method enables efficient sowing while clearing straw, improves mechanization, ensures uniform sowing and yield, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The stubble-cleaning no-tillage corn precision seeder comprises a first mounting rod and a second mounting rod, side baffles are fixed to the two ends of the first mounting rod and the two ends of the second mounting rod respectively, the inner walls of the side baffles are rotationally connected with rotating shafts through bearings, and a gear reduction transmission box is fixed to the outer wall of the top of the first mounting rod; the output end of one side of the gear reduction transmission box is connected with a transmission shaft through a coupler, a mounting plate is fixed to the outer wall of one side of the side baffle, and the transmission shaft and the rotating shaft are rotationally connected to the inner wall of the mounting plate and are in transmission connection through a transmission chain. According to the utility model, the cover plate can be clamped and fixed at the corresponding position of the outer wall of the rotating shaft through the bolt according to the seeding requirement, so that the distance between the multiple groups of stubble cleaning cutters can be adjusted, and the rotating stubble cleaning cutters can clean strip-shaped seeding areas with different widths and intervals according to the seeding requirement; and meanwhile, the corresponding stubble cleaning cutters can be rapidly installed and replaced through bolts, and the applicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sowing machine technical field especially relates to clean stubble no -tillage corn precision seeder. BACKGROUND

[0002] In many areas of our country, after harvesting winter wheat, summer corn will be planted immediately. After the harvester completes the harvesting of winter wheat, the residual wheat straw in the wheat field is usually as high as 20cm, and the stubble length is generally 15-45cm. At this time, if the ordinary seeder is used to sow corn seeds, the problem of serious blockage of the seeder will occur, and it is easy to cause broken ridge and seedling deficiency, which causes difficulty in corn seeding. In order to prohibit straw burning and stabilize corn seed sowing, most of the current methods are to clean the straw and stubble in the field manually, which causes waste of labor and low degree of mechanization. In addition, the interval between wheat harvesting and corn planting is short, which easily causes late corn planting and low yield.

[0003] Through retrieval, the patent with patent application number CN201320485254.8 discloses a corn seeder, which comprises a main frame, a vice frame and a three-point suspension device assembly installed on the main frame. The three-point suspension device assembly is connected with the tractor suspension. However, the above technical solution still has the problem that the staff cannot adjust the distance between the clean stubble knives and the distance between the corresponding furrowers according to the seeding needs, because it does not set the corresponding mechanism that can flexibly adjust the distance between the two clean stubble knives. UTILITY MODEL CONTENT

[0004] The utility model discloses a clean stubble no -tillage corn precision seeder which is proposed to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The clean stubble no -tillage corn precision seeder comprises a first mounting rod and a second mounting rod, the two ends of the first mounting rod and the second mounting rod are respectively fixed with side baffles, the inner wall of the side baffle is rotatably connected with a rotating shaft through a bearing, the top outer wall of the first mounting rod is fixed with a gear reduction transmission box, the output end on one side of the gear reduction transmission box is connected with a transmission shaft through a shaft coupling, the outer wall on one side of the side baffle is fixed with a mounting plate, the transmission shaft and the rotating shaft are rotatably connected to the inner wall of the mounting plate respectively, and the transmission shaft and the rotating shaft are drivingly connected through a transmission chain.

[0007] As a further scheme of the utility model: the first mounting rod bottom outer wall is provided with a connecting plate, the connecting plate top outer wall four corner positions are respectively opened with a round hole, the round hole inner wall is inserted with a U type metal rod, the U type metal rod is inserted on the outer wall of the first mounting rod, the U type metal rod bottom end is opened with a screw thread, the connecting plate top is fixed on the first mounting rod bottom outer wall through the nut and the U type metal rod, the connecting plate outer wall is inserted with a fertilizer opener, and the fertilizer opener is fixed on the one side outer wall of the connecting plate through the mounting plate.

[0008] As a further scheme of the utility model: the shaft outer wall is fixed with a group of cover plates through bolts, the cover plate outer wall is fixed with a connecting sleeve, the connecting sleeve inner wall is inserted with a connecting piece, and the connecting piece outer wall is fixed with a stubble knife through bolts.

[0009] As a further scheme of the utility model: the first mounting rod one side outer wall is fixed with a rack, and the side baffle top outer wall is fixed with a fertilizer tank, the connecting plate and fertilizer opener outer wall are respectively fixed with a guide pipe sleeve, the guide pipe sleeve inner wall is sleeved with a fertilizer discharge pipe, and the fertilizer discharge pipe is connected with the fertilizer discharge device at the fertilizer tank bottom.

[0010] As a further scheme of the utility model: the second mounting rod outer wall is fixed with a seeding opener through the U type metal rod and the nut.

[0011] As a further scheme of the utility model: the second mounting rod top outer wall is provided with a plurality of seeding boxes, and the side baffle outer wall is fixed with a shielding cover.

[0012] As a further scheme of the utility model: the first mounting rod and the second mounting rod top outer wall are fixed with a shielding plate, and the shielding plate outer wall is opened with a reserved hole.

[0013] As a further scheme of the utility model: the second mounting rod one side outer wall is fixed with a support plate, the support plate inner wall is rotatably connected with a rotating rod, and the rotating rod outer wall is fixed with a plurality of ground wheels.

[0014] The utility model discloses the beneficial effects are:

[0015] 1. Staff can according to the need of seeding and the cover plate is clamped and fixed in the corresponding position of the shaft outer wall through the bolt, thereby the spacing between a plurality of stubble knives is adjusted, the stubble knife in rotation can clear the different width and interval strip-shaped seeding area according to the need of seeding, and the corresponding stubble knife can be installed and replaced quickly through the bolt, so that the applicability of the device is improved.

[0016] 2. The staff only need to replace the fertilizer opener fixed on one side of the connecting plate by screwing off the mounting plate, and the connecting plate can be fixed on the corresponding position of the outer wall of the first mounting rod and the second mounting rod as a whole through the U-shaped metal rod and the nut, so that the fertilizer opener and the seeding opener can correspond to the multiple groups of stubble cleaning knives adjusted later. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A front view structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0018] Figure 2 A side view structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0019] Figure 3 A first mounting rod and a second mounting rod structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0020] Figure 4 A rotating shaft structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0021] Figure 5 A fertilizer opener structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0022] Figure 6 A stubble cleaning knife structural schematic diagram of the stubble cleaning no-tillage corn precision planter is provided in the utility model.

[0023] In the figure: 1-first mounting rod, 2-side baffle, 3-gear reduction transmission box, 4-fertilizer box, 5-transmission shaft, 6-seeding box, 7-land wheel, 8-U-shaped metal rod, 9-shielding cover, 10-rotating shaft, 11-seeding opener, 12-fertilizer opener, 13-stubble cleaning knife, 14-connecting plate, 15-supporting plate, 16-rack, 17-mounting plate, 18-reserved hole, 19-shielding plate, 20-conduit sleeve, 21-cover plate, 22-connecting piece, 23-connecting sleeve, 24-second mounting rod, 25-land-filling plate. DETAILED DESCRIPTION

[0024] The technical solutions of the patent will be further described in detail in combination with specific implementation manners.

[0025] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0026] Example 1

[0027] No-till corn precision planter, such as Figures 1-6 As shown, it includes a first mounting rod 1 and a second mounting rod 24. Side baffles 2 are fixed to both ends of the first mounting rod 1 and the second mounting rod 24 respectively. A rotating shaft 10 is rotatably connected to the inner wall of the side baffle 2 through a bearing. A gear reduction transmission box 3 is fixed to the top outer wall of the first mounting rod 1. A transmission shaft 5 is connected to one output end of the gear reduction transmission box 3 through a coupling. A mounting plate 17 is fixed to one outer wall of the side baffle 2. The transmission shaft 5 and the rotating shaft 10 are rotatably connected to the inner wall of the mounting plate 17 respectively. The transmission shaft 5 and the rotating shaft 10 are connected by a transmission chain.

[0028] A connecting plate 14 is provided on the bottom outer wall of the first mounting rod 1. Circular holes are opened at the four corners of the top outer wall of the connecting plate 14. U-shaped metal rods 8 are inserted into the inner walls of the circular holes. The U-shaped metal rods 8 are inserted into the outer wall of the first mounting rod 1. The bottom end of the U-shaped metal rods 8 is threaded. The top of the connecting plate 14 is fixed to the bottom outer wall of the first mounting rod 1 by nuts and U-shaped metal rods 8. A fertilizer ditch opener 12 is inserted into the outer wall of the connecting plate 14. The fertilizer ditch opener 12 is fixed to one side outer wall of the connecting plate 14 by a mounting plate 17.

[0029] A set of cover plates 21 are fixed to the outer wall of the rotating shaft 10 by bolts. A connecting sleeve 23 is fixed to the outer wall of the cover plate 21. A connecting piece 22 is inserted into the inner wall of the connecting sleeve 23. A shaving knife 13 is fixed to the outer wall of the connecting piece 22 by bolts.

[0030] A frame 16 is fixed to one side of the outer wall of the first mounting rod 1, and a fertilizer box 4 is fixed to the top outer wall of the side baffle 2. A guide sleeve 20 is fixed to the outer wall of the connecting plate 14 and the fertilizer ditch opener 12 respectively. A fertilizer discharge pipe is sleeved on the inner wall of the guide sleeve 20, and the fertilizer discharge pipe is connected to the fertilizer discharge device at the bottom of the fertilizer box 4.

[0031] The seeding furrow opener 11 is fixed to the outer wall of the second mounting rod 24 by a U-shaped metal rod 8 and a nut;

[0032] The second mounting rod 24 has multiple seeding boxes 6 on its top outer wall, and a shielding cover 9 is fixed to the outer wall of the side baffle 2.

[0033] The staff will be through three-point suspension frame 16 and corresponding tractor and other agricultural machinery connection, tractor power output shaft through the gear reduction transmission box 3 will power transmission to the transmission shaft 5, transmission shaft 5 rotation will be driven by the transmission chain shaft 10 rotation, shaft 10 rotation, will drive the outer wall of the fixed group of stubble cutter 13 rotation, rotating in the process of multiple stubble cutter 13 can be divided into two sides of the strip seeding area of straw and mixture, so as to clean out the need for strip seeding area, fertilizer opener 12 fixed on one side of the connecting plate 14 in the stubble cutter 13 cleaning out the seeding area, fertilizer tank 4 and the inner wall of the fertilizer pipe set on the fertilizer tank 4 with the fertilizer pipe cooperate with the pipe sleeve 20 in the ditch, the second installation rod 24 bottom of the seeding opener 11 in the seeding area, seeding tank 6 cooperate with the bottom of the seed tube will be in the ditch, then by the covering plate 25 will be covered in the ditch, so as to complete the corn seeding;

[0034] The staff can adjust the distance between the multiple stubble cutter 13 according to the need for seeding by clamping and fixing the cover plate 21 on the outer wall of the shaft 10 at the corresponding position, so that the rotating stubble cutter 13 can clean out the strip seeding area with different width and interval according to the need for seeding, and the corresponding stubble cutter 13 can be quickly installed and replaced through the bolt, thereby improving the applicability of the device.

[0035] The staff only needs to twist off the mounting plate 17 to replace the fertilizer opener 12 fixed on one side of the connecting plate 14, and the connecting plate 14 can be fixed on the outer wall of the first mounting rod 1 and the second mounting rod 24 at the corresponding position through the U-shaped metal rod 8 and the nut, so that the fertilizer opener 12 and the seeding opener 11 can correspond to the multiple stubble cutter 13 adjusted afterwards.

[0036] The first mounting rod 1 and the second mounting rod 24 are fixed with a shielding plate 19 on the outer wall of the top, and a reserved hole 18 is formed in the outer wall of the shielding plate 19; the shielding plate 19 can shield and protect the top of the first mounting rod 1 and the second mounting rod 24, and the fertilizer pipe can pass through the reserved hole 18 and be connected with the fertilizer dispenser at the bottom of the fertilizer tank 4.

[0037] The second mounting rod 24 is fixed with a support plate 15 on one side of the outer wall, a rotating rod is rotatably connected in the inner wall of the support plate 15, and a plurality of ground wheels 7 are fixed on the outer wall of the rotating rod; the ground wheels 7 can support and guide the precision seeder when being dragged forward by the tractor.

[0038] In this embodiment, the fertilizer tank 4, the fertilizer dispenser, the seeding tank 6, the ground wheel 7 and the gear reduction transmission box 3 are all mature existing agricultural equipment that can be purchased on the market, and the specific working principle will not be described here.

[0039] Working principle: the rack 16 is hung by three points and connected with corresponding tractor and other agricultural machinery, the power output shaft of the tractor is connected with the gear reduction transmission box 3 to transmit power to the transmission shaft 5, the transmission shaft 5 rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 rotates to drive the multiple groups of stubble cleaning knives 13 fixed on the outer wall to rotate, the multiple groups of stubble cleaning knives 13 in rotation can spread the straw and mixture to both sides of the seedling belt in the process of advancing, so as to clean the strip-shaped sowing area required for sowing, the fertilizer opener 12 fixed on one side of the connecting plate 14 subsequently opens the ditch in the sowing area cleaned by the stubble cleaning knife 13, the fertilizer tank 4 is matched with the fertilizer discharge pipe in the inner wall of the guide pipe sleeve 20, the fertilizer discharge pipe arranged on the fertilizer tank 4 discharges the fertilizer into the ditch, then the sowing opener 11 at the bottom of the second mounting rod 24 opens the ditch in the sowing area, the seed discharge pipe at the bottom of the sowing tank 6 discharges the seeds into the ditch, then the soil covering plate 25 covers the soil on the ditch, and the corn sowing is completed.

[0040] According to the sowing requirement, the cover plate 21 can be clamped and fixed on the outer wall of the rotating shaft 10 at the corresponding position by the bolt, so as to adjust the distance between the multiple groups of stubble cleaning knives 13.

[0041] The fertilizer opener 12 fixed on one side of the connecting plate 14 can be replaced by unscrewing the mounting plate 17, the connecting plate 14 is integrally fixed on the outer wall of the first mounting rod 1 and the second mounting rod 24 at the corresponding position by the U-shaped metal rod 8 and the nut, so that the fertilizer opener 12 and the sowing opener 11 can correspond to the multiple groups of stubble cleaning knives 13 adjusted subsequently.

[0042] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A precision corn planter for stubble-free no-till, comprising a first mounting bar (1) and a second mounting bar (24), characterized in that, The first mounting rod (1) and the second mounting rod (24) are respectively fixed with side baffle plates (2) at both ends, the inner wall of the side baffle plate (2) is rotatably connected with a rotating shaft (10) through a bearing, the top outer wall of the first mounting rod (1) is fixed with a gear reduction transmission box (3), the output end of one side of the gear reduction transmission box (3) is connected with a transmission shaft (5) through a shaft coupling, the outer wall of one side of the side baffle plate (2) is fixed with a mounting plate (17), the transmission shaft (5) and the rotating shaft (10) are rotatably connected to the inner wall of the mounting plate (17) respectively, and the transmission shaft (5) and the rotating shaft (10) are drivingly connected through a transmission chain.

2. The stubble cleaning no-till corn precision planter of claim 1, wherein, The bottom outer wall of the first mounting rod (1) is provided with a connecting plate (14), circular holes are formed at the top outer wall of the connecting plate (14) at four corner positions respectively, U-shaped metal rods (8) are inserted into the inner wall of the circular holes, the U-shaped metal rods (8) are inserted into the outer wall of the first mounting rod (1), the bottom end of the U-shaped metal rod (8) is provided with a thread, the top of the connecting plate (14) is fixed to the bottom outer wall of the first mounting rod (1) through a nut and the U-shaped metal rod (8), and the outer wall of the connecting plate (14) is inserted with a fertilizer applicator (12), and the fertilizer applicator (12) is fixed to the outer wall of one side of the connecting plate (14) through the mounting plate (17).

3. The stubble cleaning no-till corn planter of claim 1, wherein, The outer wall of the rotating shaft (10) is fixed with a plurality of cover plates (21) through bolts, the outer wall of the cover plate (21) is fixed with a connecting sleeve (23), the inner wall of the connecting sleeve (23) is inserted with a connecting piece (22), and the outer wall of the connecting piece (22) is fixed with a stubble cleaning knife (13) through bolts.

4. The stubble cleaning no-till corn planter of claim 2, wherein, The outer wall of the first mounting rod (1) is fixed with a rack (16), the outer wall of the top of the side baffle plate (2) is fixed with a fertilizer box (4), the outer walls of the connecting plate (14) and the fertilizer applicator (12) are respectively fixed with a pipe sleeve (20), the inner wall of the pipe sleeve (20) is sleeved with an fertilizer discharging pipe, and the fertilizer discharging pipe is connected with a fertilizer discharger at the bottom of the fertilizer box (4).

5. The stubble cleaning no-till corn planter of claim 1, wherein, The outer wall of the second mounting rod (24) is fixed with a seeding furrower (11) through the U-shaped metal rod (8) and the nut.

6. The stubble cleaning no-till corn planter of claim 5, wherein, The top outer walls of the first mounting rod (1) and the second mounting rod (24) are fixed with shielding plates (19), and the outer wall of the shielding plate (19) is provided with a reserved hole (18).

7. The stubble cleaning no-till corn planter of claim 4, wherein, The outer wall of the second mounting rod (24) is fixed with a supporting plate (15) on one side, the inner wall of the supporting plate (15) is rotatably connected with a rotating rod, and the outer wall of the rotating rod is fixed with a plurality of ground wheels (7).

8. The stubble cleaning no-till corn planter of claim 7, wherein, ​

Citation Information

Patent Citations

  • Corn planter

    CN203353103U