Multipurpose rotary cultivator
By introducing a combination structure of seed box, feed hole, discharge pipe, two-way lead screw and telescopic electric rod into the rotary tiller, the problems of uneven seeding and seed residue in rotary tillers are solved, achieving uniform seeding and improving the multi-functionality of the equipment.
Patent Information
- Application Number
- CN202423193147.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing rotary tillers are prone to problems such as seed residue and uneven sowing during the sowing process, which affects the sowing effect.
A multi-purpose rotary tiller was designed, which adopts a combination structure of seed box, feeding hole, discharge pipe, bidirectional lead screw, side scraper and telescopic electric rod. The drive motor drives the bidirectional lead screw to rotate, the side scraper moves along the inner wall of the seed box, and the telescopic electric rod cleans up residual seeds, ensuring that the seeds are sown evenly and avoiding blockage of the feeding hole.
It achieves uniform seed sowing and improves sowing effect, avoids seed residue and clogging of the feed hole, and enhances the versatility and efficiency of the rotary tiller.
Smart Images

Figure CN223540917U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rotary tiller technology, specifically a multi-purpose rotary tiller. Background Technology
[0002] A rotary tiller is a tillage machine used in conjunction with a tractor to perform tilling and harrowing operations. Using the power output from the tractor, the rotary tiller drives the rotary blades to cut and turn the soil, throwing the cut soil clods backward to impact the mudguard, further breaking them up. Then, the leveling plate scrapes the surface smooth, completing both tilling and harrowing operations in one pass. Rotary tillers come in various types, such as tracked, self-propelled, push, walk-behind, and wheeled, as well as different sizes and horsepower configurations. Rotary tillers are efficient and convenient tillage machines widely used in agricultural production.
[0003] A typical rotary tiller usually consists of a frame, transmission system, cutter roller, adjustment mechanism, and suspension system. The frame is the main supporting structure of the rotary tiller, used to connect to a tractor or other power source. The transmission system is responsible for transmitting power from the tractor to the rotary tiller's cutter roller. The cutter roller is the main working part of the rotary tiller, consisting of a cutter shaft, cutter holder, and rotary blades, used for cutting and breaking up the soil.
[0004] The tillage depth adjustment mechanism is used to adjust the tillage depth of the rotary tiller. The suspension mechanism is used to connect the rotary tiller to a tractor or other power source and allows the rotary tiller to move up and down within a certain range.
[0005] Traditional rotary tillers mainly consist of a power source, transmission system, and blade assembly. They use high-speed rotating blades to break and mix the soil for subsequent sowing. However, their limited functionality and application stem from their sole function of turning the soil. To address this, some rotary tillers are equipped with a seed box, seed tube, and sealing plate, with feeding holes on the sealing plate. When the rotary tiller turns the soil, seeds from the seed box enter the seed tube through the feeding holes, and then travel along the tube into the soil. This allows the rotary tiller to perform both soil turning and sowing, increasing its functionality and application. However, this method suffers from problems because the sealing plate is typically rectangular, and the seeds are scattered throughout, preventing them from being fully distributed through the feeding holes. This leads to seed residue and uneven sowing, affecting the sowing effect. Therefore, a multi-purpose rotary tiller is proposed. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] In view of the shortcomings of the existing technology, this utility model provides a multi-purpose rotary tiller to solve the above-mentioned technical problems that not only cause seed residue, but also cause uneven seed sowing and affect the sowing effect.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, this utility model provides the following technical solution: a multi-purpose rotary tiller, comprising:
[0010] The outer shell, and the cutter roller assembly disposed in the inner cavity of the outer shell, and the seeding box is installed on the top of the outer shell, and the first drive motor is installed on the outside of the seeding box;
[0011] The feeding hole is located at the bottom of the inner cavity of the seeding box, and the bottom end of the feeding hole is connected to the discharge pipe, and the end of the discharge pipe is connected to the connecting seat, and the bottom end of the connecting seat is connected to the seeding head.
[0012] A bidirectional lead screw is installed inside the seed box and coaxially connected to the first drive motor. Side scraper plates are fitted on both sides of the bidirectional lead screw, and a telescopic electric rod is installed on the inner side of the side scraper plates. The outer casing drives the cutter roller assembly to turn the soil. Seeds inside the seed box pass through the discharge hole and discharge pipe, and fall into the soil through the seed head for sowing. The first drive motor drives the bidirectional lead screw to rotate on the seed box, while the side scraper plates move in opposite directions along the inner wall of the seed box according to the direction of the bidirectional lead screw, pushing the remaining seeds in the seed box to the corresponding discharge hole for dispensing. The telescopic electric rod can move in the same direction as the side scraper plates, and the telescopic end of the electric rod descends into the discharge hole. On the one hand, it can clean the seeds inside the seed box, not only avoiding seed residue, but also ensuring uniform seed sowing and guaranteeing sowing effect; on the other hand, it can clean the discharge hole through the telescopic electric rod, thereby preventing seed blockage at the discharge hole.
[0013] Preferably, the cutter roller assembly consists of a cutter shaft and rotary tiller blades, with the rotary tiller blades mounted on the surface of the cutter shaft. The cutter roller assembly is a two-set design. This equipment features a dual-shaft design, which enhances the rotary tillage effect and efficiency through two sets of cutter shafts and rotary tiller blades.
[0014] Preferably, a connecting cover is installed on the top of the seeding box, and a handle is added to the top of the connecting cover. The handle is U-shaped. The connecting cover can be detached from the seeding box by using the handle.
[0015] Preferably, a fixing plate is installed on the inner side of the side scraper, and a telescopic electric rod is disposed on the top of the fixing plate. The telescopic end of the telescopic electric rod extends downward through the fixing plate and is connected to a lower cone head, and an upper cone head is installed on the top of the telescopic electric rod. The upper cone head can guide the seeds passing through the top of the telescopic electric rod, while the telescopic electric rod can drive the lower cone head to clear the discharge hole.
[0016] Preferably, an annular fixing plate is installed on the surface of the discharge pipe, and a fixing rod is added to the top of the annular fixing plate, and the fixing rod is connected to the seeding box. The discharge pipe is connected to the seeding box through the annular fixing plate and the fixing rod, thereby ensuring the stability of the discharge pipe during use.
[0017] Preferably, side connecting shafts are installed on both sides of the connecting seat, and a side connecting plate is connected to the outer side of the annular fixed plate. A second drive motor is installed on the outer side of the connecting seat, and the second drive motor is coaxially connected to the side connecting shafts. The second drive motor drives the side connecting shafts on the connecting seat, and the connecting seat can adjust its pitch angle as the side connecting shafts rotate. This not only makes it suitable for sowing operations on different terrains, but also improves the sowing effect and efficiency.
[0018] (III) Beneficial Effects
[0019] Compared with the prior art, this utility model provides a multi-purpose rotary tiller with the following advantages:
[0020] This multi-purpose rotary tiller uses its outer casing to drive a blade roller assembly to turn the soil. Seeds inside the seed box pass through the feeding hole and discharge pipe, then fall into the soil via the seed head for sowing. A primary drive motor rotates a bidirectional lead screw in the seed box, while side scrapers move in opposite directions along the inner wall of the seed box according to the direction of the lead screw, pushing any remaining seeds to the corresponding feeding hole for dispensing. A telescopic electric rod moves in the same direction as the side scrapers, lowering its telescopic end into the feeding hole. This cleans the seeds inside the seed box, preventing seed residue and ensuring even sowing for optimal results. The telescopic electric rod also cleans the feeding hole, preventing seed blockage. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a schematic diagram of the cutter roller assembly structure of this utility model;
[0023] Figure 3 This is a schematic cross-sectional view of the seeding box and connecting cover plate of this utility model.
[0024] Figure 4 This is a schematic diagram of the side scraper plate and its connection structure of the present invention;
[0025] Figure 5 This is a schematic diagram of the seeding head and its connection structure of this utility model.
[0026] In the diagram: 1. Outer shell; 2. Blade roller assembly; 3. Blade shaft; 4. Rotary tiller blades; 5. Seeder box; 6. Connecting cover plate; 7. Handle; 8. First drive motor; 9. Bidirectional lead screw; 10. Side scraper plate; 11. Fixing plate; 12. Telescopic electric rod; 13. Upper cone head; 14. Lower cone head; 15. Discharge hole; 16. Discharge pipe; 17. Connecting seat; 18. Seeder head; 19. Side connecting shaft; 20. Annular fixing plate; 21. Fixing rod; 22. Side connecting plate; 23. Second drive motor. Detailed Implementation
[0027] 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.
[0028] This utility model provides a technical solution: a multi-purpose rotary tiller, including: (See details) Figure 1 The outer shell 1 and the cutter roller assembly 2 disposed in the inner cavity of the outer shell 1, and the seeding box 5 is installed on the top of the outer shell 1, and the first drive motor 8 is installed on the outside of the seeding box 5.
[0029] Please see Figure 3 , Figure 5 The feeding hole 15 is located at the bottom of the inner cavity of the seeding box 5, and the bottom end of the feeding hole 15 is connected to the discharge pipe 16, and the end of the discharge pipe 16 is connected to the connecting seat 17, and the bottom end of the connecting seat 17 is connected to the seeding head 18.
[0030] A bidirectional lead screw 9 is installed inside the seeding box 5 and is coaxially connected to the first drive motor 8. Side scraper plates 10 are sleeved on both sides of the surface of the bidirectional lead screw 9, and telescopic electric rods 12 are installed on the inner side of the side scraper plates 10. The outer shell 1 drives the cutter roller assembly 2 to turn the soil. The seeds inside the seeding box 5 pass through the discharge hole 15 and the discharge pipe 16 in sequence, and fall into the soil through the seeding head 18 for sowing. The first drive motor 8 drives the bidirectional lead screw 9 to rotate on the seeding box 5, and the side scraper plates 10 move in opposite directions along the inner wall of the seeding box 5 according to the direction of the bidirectional lead screw 9, pushing the remaining seeds in the seeding box 5 to the corresponding discharge hole 15 for discharging. The telescopic electric rod 12 can move in the same direction as the side scraper plates 10, and the telescopic end of the telescopic electric rod 12 descends into the discharge hole 15. On the one hand, the seeds inside the seeding box 5 can be cleaned, which not only avoids seed residue, but also ensures that the seeds are sown evenly and guarantees the sowing effect. On the other hand, the feed hole 15 can be cleaned by the telescopic electric rod 12, thereby preventing the seeds from clogging the feed hole 15.
[0031] Please see Figure 2 The cutter roller assembly 2 consists of a cutter shaft 3 and rotary tiller blades 4, with the rotary tiller blades 4 mounted on the surface of the cutter shaft 3. The cutter roller assembly 2 is designed with two sets. This equipment features a dual-shaft design, which enhances the rotary tillage effect and efficiency through two sets of cutter shafts 3 and rotary tiller blades 4.
[0032] Please see Figure 3 The top of the seeding box 5 is equipped with a connecting cover plate 6, and a handle 7 is added to the top of the connecting cover plate 6. The handle 7 has an overall U-shaped design. The connecting cover plate 6 and the seeding box 5 can be disassembled and assembled by using the handle 7.
[0033] Please see Figure 4 A fixing plate 11 is installed on the inner side of the side scraper 10, and a telescopic electric rod 12 is located on the top of the fixing plate 11. The telescopic end of the telescopic electric rod 12 extends downward through the fixing plate 11 and is connected to a lower cone 14. An upper cone 13 is installed on the top of the telescopic electric rod 12. The upper cone 13 can guide the seeds passing through the top of the telescopic electric rod 12, while the telescopic electric rod 12 can drive the lower cone 14 to clear the discharge hole 15.
[0034] Please see Figure 5An annular fixing plate 20 is installed on the surface of the discharge pipe 16, and a fixing rod 21 is added to the top of the annular fixing plate 20, and the fixing rod 21 is connected to the seed box 5. The discharge pipe 16 is connected to the seed box 5 through the annular fixing plate 20 and the fixing rod 21, thereby ensuring the stability of the discharge pipe 16 during use. Side connecting shafts 19 are installed on both sides of the connecting seat 17, and a side connecting plate 22 is connected to the outer side of the annular fixing plate 20. A second drive motor 23 is installed on the outer side of the connecting seat 17, and the second drive motor 23 is coaxially connected to the side connecting shafts 19. The second drive motor 23 drives the side connecting shafts 19 on the connecting seat 17, and the connecting seat 17 can adjust its pitch angle with the rotation of the side connecting shafts 19, which can not only be used for seeding operations in different terrains, but also improve the seeding effect and efficiency.
[0035] This scheme: The outer casing 1 drives the blade roller assembly 2 to turn the soil. Seeds inside the seeding box 5 pass through the discharge hole 15 and the discharge pipe 16, and fall into the soil through the seeding head 18 for sowing. The first drive motor 8 drives the bidirectional lead screw 9 to rotate on the seeding box 5, while the side scraper 10 moves in opposite directions along the inner wall of the seeding box 5 according to the direction of the bidirectional lead screw 9, pushing the remaining seeds in the seeding box 5 to the corresponding discharge hole 15 for discharging. The upper cone head 13 guides the seeds passing through the top of the telescopic electric rod 12, and the telescopic electric rod 12 can drive the lower cone head 14 to clear the discharge hole 15. The telescopic electric rod 12 can move in the same direction as the side scraper 10, and the telescopic end of the telescopic electric rod 12 descends into the discharge hole 15. The second drive motor 23 drives the side connecting shaft 19 on the connecting seat 17, and the pitch angle of the connecting seat 17 can be adjusted with the rotation of the side connecting shaft 19.
[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multi-purpose rotary tiller, characterized in that, include: The outer shell (1) and the cutter roller assembly (2) disposed in the inner cavity of the outer shell (1), and a seeding box (5) is installed on the top of the outer shell (1), and a first drive motor (8) is installed on the outside of the seeding box (5); The feeding hole (15) is located at the bottom of the inner cavity of the seed box (5), and the bottom end of the feeding hole (15) is connected to the discharge pipe (16), and the end of the discharge pipe (16) is connected to the connecting seat (17), and the bottom end of the connecting seat (17) is connected to the seed head (18). A bidirectional lead screw (9) is installed in the inner cavity of the seed box (5), and the bidirectional lead screw (9) is coaxially connected to the first drive motor (8). Side scraper plates (10) are sleeved on both sides of the surface of the bidirectional lead screw (9), and telescopic electric rods (12) are installed on the inner side of the side scraper plates (10).
2. The multi-purpose rotary tiller according to claim 1, characterized in that: The cutter roller assembly (2) consists of a cutter shaft (3) and rotary tillage blades (4), with the rotary tillage blades (4) mounted on the surface of the cutter shaft (3). The cutter roller assembly (2) is designed in two groups.
3. A multi-purpose rotary tiller according to claim 1, characterized in that: The top of the seeding box (5) is equipped with a connecting cover plate (6), and a handle (7) is added to the top of the connecting cover plate (6), and the handle (7) is U-shaped.
4. A multi-purpose rotary tiller according to claim 1, characterized in that: A fixing plate (11) is installed on the inner side of the side scraper (10), and a telescopic electric rod (12) is set on the top of the fixing plate (11). The telescopic end of the telescopic electric rod (12) extends downward through the fixing plate (11) and is connected to a lower cone (14). An upper cone (13) is installed on the top of the telescopic electric rod (12).
5. A multi-purpose rotary tiller according to claim 1, characterized in that: The surface of the discharge pipe (16) is fitted with an annular fixing plate (20), and a fixing rod (21) is added to the top of the annular fixing plate (20), and the fixing rod (21) is connected to the seed box (5).
6. A multi-purpose rotary tiller according to claim 5, characterized in that: Side connecting shafts (19) are installed on both sides of the connecting seat (17), and a side connecting plate (22) is connected to the outer side of the annular fixed plate (20). A second drive motor (23) is installed on the outer side of the connecting seat (17), and the second drive motor (23) is coaxially connected to the side connecting shaft (19).