Efficient agricultural straw smashing and returning machine
By designing an efficient agricultural straw crushing and returning machine, screening is achieved using a rotating rod and eccentric disk driven by a motor, and secondary crushing is carried out through bevel gears and connecting rods, the problem of difficulty in screening and crushing straw in the prior art is solved, and the decomposition speed of straw and soil aerability are improved.
Patent Information
- Application Number
- CN202422285257.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-19
AI Technical Summary
In the prior art, some field return machines are difficult to screen straw, and are prone to leave large straw fragments, affecting subsequent tillage operations.
A high-efficiency agricultural straw crushing and returning machine was designed, using a motor to drive the rotating rod and the eccentric disk. The eccentric disk drives the baffle plate and the telescopic spring to realize the left and right movement of the screening box, and complete the screening of the straw. At the same time, the knife set is driven to rotate through bevel gears and connecting rods to achieve secondary crushing of straw and anti-blocking.
The uniform crushing and screening of straw is achieved, the decomposition speed of straw is improved, the soil aerability is ensured, the healthy growth of plant roots and the activity of microbial organisms is supported, and the efficiency of straw returning to the field is improved.
Smart Images
Figure CN223025005U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural machinery, in particular to an efficient agricultural straw crushing and returning machine to the field. Background Art
[0002] Agricultural machinery refers to various equipment and tools specifically used for agricultural production. After crop harvesting, a large amount of straw will be left on the ground. Using a straw crushing and returning machine to the field can crush these straws into small pieces, which is convenient for even returning to the field.
[0003] In the prior art, some returning machines to the field are difficult to screen straws during use, and it is easy to leave larger straw fragments. These larger fragments will affect subsequent tillage operations, such as sowing and fertilizing, because they will hinder the even distribution of seeds and the leveling of the soil. Larger straw residues will affect the air permeability of the soil. The soil needs sufficient air permeability to support the healthy growth of plant roots and the activities of microorganisms, and excessive straw residues will lead to insufficient air permeability of the soil. Therefore, in view of the above deficiencies, an efficient agricultural straw crushing and returning machine to the field is proposed. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and an efficient agricultural straw crushing and returning machine to the field is proposed, aiming to improve the problem that some returning machines to the field are difficult to screen during use and are easy to leave larger straw fragments.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] An efficient agricultural straw crushing and returning machine to the field, including a base. A fixed box is fixedly connected to the right side of the top of the base. A motor one is fixedly connected to the front inner wall of the fixed box. A rotating rod is fixedly connected to the driving end of the motor one. Eccentric discs are fixedly connected to both the front and rear sides of the outside of the rotating rod. A hollow box is fixedly connected to the top of the base. A screening box is slidably connected to the inner wall of the hollow box. Sliding columns are fixedly connected to both the front and rear sides of the right part of the screening box. A baffle is fixedly connected to the right side of the sliding column. A telescopic spring is sleeved on the outside of the sliding column. A crushing box is fixedly connected to the top of the hollow box. A connecting box is fixedly connected to the front of the crushing box. A crushing component for crushing straws is fixedly connected to the front inner wall of the connecting box. A feeding port is fixedly connected to the top of the crushing box. A discharging port is fixedly connected to the bottom of the feeding port. An anti-blocking component for crushing straws is rotatably connected to the inside of the discharging port. A blanking port is opened in the base;
[0007] As a further description of the above technical solution:
[0008] The anti-blocking component includes a connecting rod, and a plurality of knife groups are fixedly connected to the outer part of the connecting rod. A first bevel gear is fixedly connected to the right side of the knife group. A second bevel gear is fixedly connected to the outer part of the rotating rod. A fixed block is fixedly connected to the left side of the top of the base. A collection box is arranged inside the hollow box;
[0009] As a further description of the above technical solution:
[0010] The crushing component includes two second motors. The driving ends of the second motors are fixedly connected with rotating shafts. A plurality of cutting tools are fixedly connected to the outer parts of the rotating shafts. The rear sides of the rotating shafts are rotatably connected to the rear inner wall of the crushing box. The front sides of the second motors are fixedly connected to the front inner wall of the connection box;
[0011] As a further description of the above technical solution:
[0012] The outer part of the connecting rod is rotatably connected inside the discharge port, and the left side of the connecting rod is rotatably connected to the left inner wall of the hollow box;
[0013] As a further description of the above technical solution:
[0014] The outer part of the first bevel gear is meshed with the outer part of the second bevel gear, and the outer part of the eccentric disk is in contact with the right side of the baffle;
[0015] As a further description of the above technical solution:
[0016] The rear side of the rotating rod is rotatably connected to the rear inner wall of the fixed box, and the left side of the telescopic spring is in contact with the right side of the hollow box;
[0017] As a further description of the above technical solution:
[0018] Support plates are fixedly connected to the upper and lower inner walls of the fixed box, and the outer part of the connecting rod is rotatably connected inside the support plates;
[0019] As a further description of the above technical solution:
[0020] A stop block is fixedly connected to the bottom inner wall of the hollow box. The bottom of the screening box is slidably connected to the top of the fixed block. Wheels are fixedly connected to the four corners of the bottom of the base. A handle is fixedly connected to the right side of the top of the base.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the present utility model, the rotation of the rotating rod is driven by the first motor. The rotating rod drives the eccentric disk to rotate, and the eccentric disk drives the baffle to move left and right. The baffle compresses the telescopic spring, and the baffle drives the sliding column to slide. The sliding column drives the screening box to move left and right, realizing the screening of straw. Subsequently, it can ensure a more uniform crushing effect of the straw during the process of returning it to the field, and improve the decomposition speed of the straw.
[0023] 2. In the present utility model, the second bevel gear is driven to rotate by the rotating rod. The second bevel gear drives the first bevel gear to rotate, and the first bevel gear drives the connecting rod to rotate. The connecting rod drives the cutter group to rotate, realizing the secondary crushing of the straw and preventing blockage during feeding. Subsequently, larger straw fragments can be further crushed into smaller particles, which helps to achieve continuous operation and ensure the efficient completion of the straw returning task. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 is a perspective view of the high-efficiency agricultural straw crushing and returning machine proposed by the present utility model;
[0025] Figure 2 is a schematic diagram of the internal structure of the hollow box of the high-efficiency agricultural straw crushing and returning machine proposed by the present utility model;
[0026] Figure 3 is Figure 2 the enlarged view at A in
[0027] Figure 4 is a schematic diagram of the internal structure of the crushing box of the high-efficiency agricultural straw crushing and returning machine proposed by the present utility model;
[0028] Figure 5 is Figure 4 the enlarged view at B in
[0029] LEGEND DESCRIPTION:
[0030] 1. Base; 2. Fixed box; 3. First motor; 4. Rotating rod; 5. Eccentric disk; 6. Hollow box; 7. Support plate; 8. Screening box; 9. Sliding column; 10. Baffle; 11. Telescopic spring; 12. Crushing box; 13. Connecting box; 14. Second motor; 15. Rotating shaft; 16. Stopper; 17. Cutter; 18. Feed inlet; 19. Discharge outlet; 20. Connecting rod; 21. Cutter group; 22. First bevel gear; 23. Second bevel gear; 24. Fixed block; 25. Collection box; 26. Feed opening. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0032] Referring to Figures 1 to 3 , an embodiment provided by the present invention: a high-efficiency agricultural straw pulverizing and returning machine, including a base 1. The base 1 is made of a solid metal composite material to ensure the stability and durability of the equipment during operation. A fixed box 2 is fixedly connected to the right side of the top of the base 1. The fixed box 2 is used to fix the first motor 3 to ensure the stable operation of the motor. There may also be a heat dissipation device inside to prevent overheating. The front inner wall of the fixed box 2 is fixedly connected to the first motor 3. The first motor 3 is a high-power motor that provides sufficient driving force to support the efficient operation of the equipment. The driving end of the first motor 3 is fixedly connected to a rotating rod 4. Eccentric disks 5 are fixedly connected to both the front and rear sides of the outside of the rotating rod 4. The rotating rod 4 is connected to the first motor 3 and is responsible for transmitting the rotational motion of the motor to the eccentric disks 5. A hollow box 6 is fixedly connected to the top of the base 1. A screening box 8 is slidably connected to the inner wall of the hollow box 6. The screening box 8 is adapted to different straw sizes. Sliding columns 9 are fixedly connected to both the front and rear sides of the right part of the screening box 8 to provide the sliding function of the screening box 8, facilitating cleaning and maintenance. A baffle 10 is fixedly connected to the right side of the sliding column 9. A telescopic spring 11 is sleeved on the outside of the sliding column 9. A pulverizing box 12 is fixedly connected to the top of the hollow box 6. A connecting box 13 is fixedly connected to the front side of the pulverizing box 12. A pulverizing assembly for pulverizing straw is fixedly connected to the front inner wall of the connecting box 13. An inlet 18 is fixedly connected to the top of the pulverizing box 12. An outlet 19 is fixedly connected to the bottom of the inlet 18. An anti-blocking assembly for pulverizing straw is rotatably connected to the inside of the outlet 19. A blanking port 26 is opened inside the base 1. The blanking port 26 is designed as an opening inside the base for discharging the processed straw.
[0033] Referring to Figure 2 and Figure 5, the anti-blocking component includes a connecting rod 20. A plurality of cutter groups 21 are fixedly connected to the outside of the connecting rod 20. The connecting rod 20 is responsible for connecting the cutter groups 21 of the anti-blocking component to other transmission devices, usually using wear-resistant high-strength steel or alloy materials to improve durability. The cutter group 21 is composed of a plurality of blades. The layout and acute angle of these blades are designed to effectively cut straw and reduce blockage. The group 21 is fixed to the outside of the connecting rod 20. Each cutter group 22 uses replaceable blades for easy maintenance and replacement. A bevel gear one 22 is fixedly connected to the right side of the cutter group 21. The bevel gear one 22 and the bevel gear two 23 transmit power through meshing, enabling the cutter group 21 of the anti-blocking component to rotate, thereby effectively processing and crushing straw. High-hardness alloy steel or other wear-resistant materials are used to ensure stability and durability during long-term use. A bevel gear two 23 is fixedly connected to the outside of the rotating rod 4. A fixed block 24 is fixedly connected to the top left side of the base 1. A collection box 25 is arranged inside the hollow box 6.
[0034] Referring to Figure 2 , the crushing component includes two motors two 14. The motors two 14 are responsible for providing rotational power to drive the rotating shaft 15 for crushing operations. The front sides of the motors two 14 are fixedly connected to the front inner wall of the connection box 13. Two motors provide stronger crushing ability. The driving ends of the motors two 14 are fixedly connected to the rotating shaft 15. A plurality of cutters 17 are fixedly connected to the outside of the rotating shaft 15. The rotating shaft 15 transmits the rotational power to the cutters 17 through the drive of the motors two 14 for crushing operations. A plurality of cutters 17 are fixedly connected to the outside of the rotating shaft 15 to ensure efficient crushing. The cutters 17 are used for cutting and crushing straw, designed as high-hardness steel to ensure durability and efficiency. The cutters 17 are evenly distributed on the outside of the rotating shaft 15 to ensure uniform crushing. The rear side of the rotating shaft 15 is rotatably connected to the rear inner wall of the crushing box 12 to support stable rotational movement. The front sides of the motors two 14 are fixedly connected to the front inner wall of the connection box 13 to ensure the stable connection between the motors two 14 and the rotating shaft.
[0035] Referring to Figure 2 and Figure 3 、 Figure 5, the outside of the connecting rod 20 is rotatably connected to the inside of the discharge port 19. The left side of the connecting rod 20 is rotatably connected to the left inner wall of the hollow box 6. The left side of the connecting rod 20 is rotatably connected to the left inner wall of the hollow box 6, and the right side is rotatably connected to the inside of the discharge port 19 to ensure its stability and flexibility. The outside of the first bevel gear 22 is meshed with the outside of the second bevel gear 23. The outside of the eccentric disk 5 is in contact with the right side of the baffle 10. The rear side of the rotating rod 4 is rotatably connected to the rear inner wall of the fixed box 2. The left side of the telescopic spring 11 is in contact with the right side of the hollow box 6. A collection box 25 is arranged inside for collecting crushed straw particles, which is convenient for subsequent treatment or returning to the field. The upper and lower inner walls of the fixed box 2 are fixedly connected with support plates 7. The outside of the connecting rod 20 is rotatably connected to the inside of the support plate 7. The outside of the connecting rod 20 is rotatably connected to the inside of the support plate 7. The support plate 7 is fixed to the upper and lower inner walls of the fixed box 2, which increases the structural stability. The bottom inner wall of the hollow box 6 is fixedly connected with a stop block 16. The stop block 16 prevents straw particles from overflowing from the bottom of the hollow box 6. The bottom of the screening box 8 is slidably connected to the top of the fixed block 24. The bottom of the screening box 8 is slidably connected to the top of the fixed block 24, allowing the screening box to slide up and down inside the hollow box 6, which is convenient for adjustment and cleaning. The four corners of the bottom of the base 1 are fixedly connected with wheels, which is convenient for the movement and positioning of the equipment. The right side of the top of the base 1 is fixedly connected with a handle to help the operator carry and adjust the equipment.
[0036] Working principle: First, the straw needs to be crushed. The straw is put into the feed inlet 18, and the second motor 14 is started. The second motor 14 drives the rotating shaft 15 to rotate, thereby driving the cutter 17 to rotate, and then the straw is crushed.
[0037] Secondly, by starting the first motor 3, the first motor 3 drives the rotating rod 4 to rotate, so that the rotating rod 4 drives the eccentric disk 5 to rotate, thereby driving the baffle 10 to move left and right. The telescopic spring 11 is compressed by the baffle 10. The sliding column 9 is driven to slide by the baffle 10, and the sliding column 9 drives the screening box 8 to move left and right. When the rotating rod 4 rotates a certain distance, under the action of the telescopic spring 11, the screening of the straw is realized, and then the more uniform crushing effect of the straw during the process of returning to the field can be ensured, and the decomposition speed of the straw is increased.
[0038] Finally, the crushed straw enters the discharge port 19, and the rotating rod 4 rotates, so that the rotating rod 4 drives the bevel gear 2 23 to rotate, and the bevel gear 23 drives the bevel gear 1 22 to rotate, so that the bevel gear 1 22 drives the connecting rod 20 to rotate, and the connecting rod 20 drives the knife group 21 to rotate, thereby realizing the secondary crushing of the straw and the anti-blocking of the feeding, and then the larger straw fragments can be further crushed into smaller particles, which is helpful to realize continuous operation and ensure the efficient completion of the straw return task.
[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A high-efficiency agricultural straw crushing and returning machine, comprising a base (1), characterized in that: A fixed box (2) is fixedly connected to the right side of the top of the base (1), a motor (3) is fixedly connected to the front inner wall of the fixed box (2), a rotating rod (4) is fixedly connected to the driving end of the motor (3), an eccentric disk (5) is fixedly connected to the front and rear sides of the rotating rod (4), a hollow box (6) is fixedly connected to the top of the base (1), a screening box (8) is slidably connected to the inner wall of the hollow box (6), a sliding column (9) is fixedly connected to the front and rear sides of the right part of the screening box (8), a baffle (10) is fixedly connected to the right side of the sliding column (9), and the sliding column (10) is fixedly connected to the right side of the sliding column (10). The outer sleeve of (9) is provided with a telescopic spring (11), the top of the hollow box (6) is fixedly connected to a crushing box (12), the front side of the crushing box (12) is fixedly connected to a connecting box (13), the front inner wall of the connecting box (13) is fixedly connected to a crushing assembly for crushing straw, the top of the crushing box (12) is fixedly connected to a feed port (18), the bottom of the feed port (18) is fixedly connected to a discharge port (19), the inside of the discharge port (19) is rotatably connected to an anti-blocking assembly for crushing straw, and a discharge port (26) is opened inside the base (1).
2. The high-efficiency agricultural straw crushing and returning machine according to claim 1 is characterized in that: The anti-blocking component comprises a connecting rod (20), the outside of the connecting rod (20) is fixedly connected to a plurality of knife groups (21), the right side of the knife group (21) is fixedly connected to a bevel gear 1 (22), the outside of the rotating rod (4) is fixedly connected to a bevel gear 2 (23), the top left side of the base (1) is fixedly connected to a fixed block (24), and the inside of the hollow box (6) is provided with a collecting box (25).
3. The high-efficiency agricultural straw crushing and returning machine according to claim 1 is characterized in that: The crushing assembly comprises two motors (14), the driving end of the motor (14) is fixedly connected to a rotating shaft (15), the outside of the rotating shaft (15) is fixedly connected to a plurality of cutters (17), the rear side of the rotating shaft (15) is rotatably connected to the rear inner wall of the crushing box (12), and the front side of the motor (14) is fixedly connected to the front inner wall of the connection box (13).
4. The high-efficiency agricultural straw crushing and returning machine according to claim 2 is characterized in that: The outside of the connecting rod (20) is rotatably connected to the inside of the discharge port (19), and the left side of the connecting rod (20) is rotatably connected to the left inner wall of the hollow box (6).
5. The high-efficiency agricultural straw crushing and returning machine according to claim 2 is characterized in that: The outside of the bevel gear 1 (22) is meshed with the outside of the bevel gear 2 (23), and the outside of the eccentric disk (5) is in contact with the right side of the baffle (10).
6. The high-efficiency agricultural straw crushing and returning machine according to claim 1 is characterized in that: The rear side of the rotating rod (4) is rotatably connected to the rear inner wall of the fixed box (2), and the left side of the telescopic spring (11) is in contact with the right side of the hollow box (6).
7. The high-efficiency agricultural straw crushing and returning machine according to claim 2 is characterized in that: The upper and lower inner walls of the fixed box (2) are fixedly connected to a support plate (7), and the outer portion of the connecting rod (20) is rotatably connected to the inner portion of the support plate (7).
8. The high-efficiency agricultural straw crushing and returning machine according to claim 2 is characterized in that: A stopper (16) is fixedly connected to the inner wall of the bottom of the hollow box (6), the bottom of the screening box (8) is slidably connected to the top of the fixed block (24), wheels are fixedly connected to the four corners of the bottom of the base (1), and a handle is fixedly connected to the right side of the top of the base (1).