Rotary cultivator with anti-winding cutter shaft

Abstract

The invention discloses a rotary cultivator with an anti-winding cutter shaft, and relates to the technical field of rotary cultivators. The device comprises a left side plate, a right side plate, a top plate, a cutter shaft and a blade, the left side plate and the right side plate are symmetrically arranged, the top plate is arranged at the top ends of the left side plate and the right side plate, the left side of the top plate is fixedly connected with the left side plate, and the right side of the top plate is fixedly connected with the right side plate; the cutter shaft is of a hollow structure, anti-winding assemblies are arranged in the cutter shaft, a mounting plate is arranged in the cutter shaft, and the anti-winding assemblies are symmetrically arranged on the mounting plate; the anti-winding assembly is arranged in the cutter shaft and comprises the air cylinder and the cut-off tool, the air cylinder can control the action of the cut-off tool during working, and the cut-off tool can cut off entanglement for weeds wound on the cutter shaft, so that the cutter shaft and the blades are prevented from being wound, plant residues are effectively prevented from being wound on the cutter shaft in the operation process, the shutdown maintenance time is shortened, and the working efficiency is improved. The working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of rotary tillers, and in particular to a rotary tiller with a blade shaft that prevents winding. Background Art

[0002] A rotary tiller is a tilling machine that is used with a tractor to complete ploughing and harrowing operations. It is widely used because of its strong soil crushing ability and flat surface after ploughing. It can also cut up the root stubble buried below the surface, making it easier for the seeder to operate and providing a good seed bed for later sowing. According to the configuration of the rotary tiller shaft, it can be divided into three types: horizontal shaft type, vertical shaft type and inclined shaft type.

[0003] Due to the presence of a large amount of weeds and other debris in the farmland working environment, during the rotary tillage and land preparation process, the rotary tillage shaft blade of the rotary tillage mechanism is easily entangled with weeds and other debris, resulting in reduced working efficiency and increased power consumption. Moreover, it is difficult, time-consuming and labor-intensive to remove the weeds and other debris entangled on the rotary tillage shaft blade. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a knife shaft anti-winding rotary tiller, which includes a left side plate, a right side plate, a top plate, a knife shaft and a blade, the left side plate and the right side plate are symmetrically arranged, the top plate is arranged at the top of the left side plate and the right side plate, the left side of the top plate is fixedly connected to the left side plate, and the right side of the top plate is fixedly connected to the right side plate; the knife shaft is arranged between the left side plate and the right side plate, and the left side plate and the right side plate are symmetrically provided with shaft seats, the two ends of the knife shaft are respectively arranged on the left side plate and the right side plate through the shaft seats, a plurality of blade mounting seats are arranged on the knife shaft, the blade mounting seats are evenly arranged on the knife shaft, the blade is arranged on the blade mounting seat, the knife shaft is a hollow structure, an anti-winding component is arranged inside the knife shaft, a mounting plate is arranged inside the knife shaft, the anti-winding component is symmetrically arranged on the mounting plate, a through hole for matching the anti-winding component is opened on the knife shaft, and the through hole is opened between the two blade mounting seats; The anti-winding component includes a cylinder, a cutting knife and a cutting knife mounting seat, the cylinder is arranged on the mounting plate, the cutting knife mounting seat is arranged at the output end of the cylinder, and the cutting knife is arranged on the cutting knife mounting seat.

[0005] Preferably, a connecting rod is provided at the output end of a universal joint adapter at the top of the top plate, the connecting rod passes through the right side plate and extends to the other side, a pinion is provided at the end of the connecting rod, a gear 1 is provided at the lower end of the pinion on the right side plate, a gear 2 is provided at the end of the knife shaft, the pinion and gear 1 are meshed with each other, and gear 1 and gear 2 are meshed with each other.

[0006] Preferably, the blade is of an L-shaped structure, four blades are arranged on the same blade mounting seat, and adjacent blades are arranged in opposite directions.

[0007] Preferably, the extreme ends of the blades between two adjacent blade mounting seats are parallel to each other.

[0008] Preferably, a spreading plate is provided on the rear side of the top plate, mounting parts are provided on both sides of the rear end of the top plate, mounting blocks are provided on the two mounting parts, an axle rod is provided between the two mounting blocks, and the top end of the spreading plate is movably provided on the axle rod.

[0009] Preferably, the top plate is provided with a limiting block used in conjunction with the spreading plate.

[0010] Preferably, the blade mounting seat is provided with a mounting hole, the blade is provided with a mounting hole used in conjunction with the blade mounting seat, and the blade mounting seat and the blade are fixedly connected by bolts.

[0011] Preferably, connecting pieces are symmetrically arranged on the top of the top plate.

[0012] Preferably, a gear protection cover is provided on the right side plate, and the gear protection cover is fixed to the right side plate by bolts.

[0013] Beneficial effects: Compared with the prior art, the beneficial effects of the present invention are as follows: an anti-winding component is provided inside the knife shaft of the present invention, including a cylinder and a cutting knife. The cylinder can control the movement of the cutting knife when working. For the weeds entangled on the knife shaft, the cutting knife will cut off the entanglement, thereby avoiding the knife shaft and the blade from being entangled, effectively preventing plant residues from entangled in the knife shaft during operation, reducing downtime for maintenance, and improving work efficiency; the spreading plate on the rear side of the top plate is adjusted by a movable shaft rod, so that during the tillage process, the soil can be evenly spread and the tillage quality is improved; the blade and the blade mounting seat are fixed by bolts to ensure that the blade is not easy to fall off during high-speed operation, and it is also convenient to replace the blade; the hollow structure design inside the knife shaft not only reduces the weight of the whole machine, but also provides installation space for the internal anti-winding component to realize functional integration; the L-shaped blade and the oppositely arranged blade layout can improve the tillage effect and ensure sufficient turning and loosening of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of a rotary tiller with anti-winding of the blade shaft according to the present invention.

[0015] Figure 2 It is a rear view of the three-dimensional structure of a rotary tiller surveying and mapping assembly with a blade shaft anti-winding according to the present invention.

[0016] Figure 3 The present invention is a cross-sectional view of a knife shaft of a rotary tiller with knife shaft anti-winding.

[0017] In the accompanying drawings: 1-left side plate, 2-right side plate, 3-top plate, 4-knife shaft, 5-blade, 6-blade mounting seat, 7-anti-winding assembly, 701-cylinder, 702-cutting knife, 703-cutting knife mounting seat, 8-mounting plate, 9-through hole, 10-universal joint adapter, 11-connecting rod, 12-pinion, 13-gear one, 14-gear two, 15-spreading plate, 16-mounting part, 17-mounting block, 18-shaft rod, 19-limiting block, 20-connecting part, 21-gear protection cover. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] Example Please refer to the drawings in the specification. In an embodiment of the present invention, a knife shaft anti-winding rotary tiller is provided, which includes a left side plate 1, a right side plate 2, a top plate 3, a knife shaft 4 and a blade 5. The left side plate 1 and the right side plate 2 are symmetrically arranged, the top plate 3 is arranged at the top of the left side plate 1 and the right side plate 2, the left side of the top plate 3 is fixedly connected to the left side plate 1, and the right side of the top plate 3 is fixedly connected to the right side plate 2; the knife shaft 4 is arranged between the left side plate 1 and the right side plate 2, and shaft seats are symmetrically arranged on the left side plate 1 and the right side plate 2, and the two ends of the knife shaft 4 are respectively arranged on the left side plate 1 and the right side plate 2 through shaft seats. 4 is provided with a plurality of blade mounting seats 6, the blade mounting seats 6 are evenly arranged on the blade shaft 4, the blades 5 are arranged on the blade mounting seats 6, the blade shaft is installed between the left plate and the right plate, the blades are evenly distributed on the blade shaft, when the blade shaft rotates, the blades cut the soil to achieve the tillage function; the blade shaft 4 is a hollow structure, an anti-winding component 7 is arranged inside the blade shaft 4, a mounting plate 8 is arranged inside the blade shaft 4, the anti-winding component 7 is symmetrically arranged on the mounting plate 8, a through hole 9 used for matching the anti-winding component 7 is opened on the blade shaft 4, and the through hole is opened between the two blade mounting seats 6; The anti-winding component 7 includes a cylinder 701, a cutting knife 702 and a cutting knife mounting seat 703. The cylinder 701 is arranged on the mounting plate 8, the cutting knife mounting seat 703 is arranged at the output end of the cylinder 701, and the cutting knife 702 is arranged on the cutting knife mounting seat 703; the cylinder can control the movement of the cutting knife when working. When there are entangled debris, the cutting knife will cut off the entangled debris, thereby avoiding the knife shaft and the blade from being entangled, thereby improving work efficiency.

[0020] Furthermore, the top of the top plate 3 is provided with a universal joint adapter 10, and the output end is provided with a connecting rod 11, the connecting rod 11 penetrates the right side plate 2 and extends to the other side, the end of the connecting rod 11 is provided with a pinion 12, the lower end of the pinion 12 on the right side plate 2 is provided with a gear 13, the end of the knife shaft 4 is provided with a gear 2 14, and the pinion 12 and gear 1 13 are meshed with each other, and the gear 1 13 and gear 2 14 are meshed with each other; the universal joint adapter at the top of the plate is connected to the pinion through the connecting rod, the pinion is meshed with gear 1, and gear 1 is meshed with gear 2 at the end of the knife shaft. This gear transmission structure ensures the stable rotation of the knife shaft.

[0021] Furthermore, the blade 5 is an L-shaped structure, and four blades 5 are arranged on the same blade mounting seat 6. Adjacent blades 5 are arranged oppositely. The L-shaped blades and the oppositely arranged blade layout can improve the farming effect and ensure that the soil is fully turned over and loosened.

[0022] Furthermore, the ends of the blades 5 between two adjacent blade mounting seats 6 are parallel to each other.

[0023] Furthermore, a spreading plate 15 is provided on the rear side of the top plate 3, and mounting parts 16 are respectively provided on both sides of the rear end of the top plate 3, and mounting blocks 17 are respectively provided on the two mounting parts 16, and an axle rod 18 is provided between the two mounting blocks 17, and the top end of the spreading plate 15 is movably provided on the axle rod 18; the spreading plate on the rear side of the top plate is adjusted by the movable axle rod, so that during the tillage process, the soil can be evenly spread and the tillage quality is improved.

[0024] Furthermore, the top plate 3 is provided with a limit block 19 used in conjunction with the flattening plate 15.

[0025] Furthermore, the blade mounting seat 6 is provided with a mounting hole, the blade 5 is provided with a mounting hole used in conjunction with the blade mounting seat 6, and the blade mounting seat 6 and the blade 5 are fixedly connected by bolts; the blade and the blade mounting seat are fixed by bolts, ensuring that the blade is not easy to fall off during high-speed operation, and also facilitating the replacement of the blade.

[0026] Furthermore, connecting members 20 are symmetrically arranged on the top of the top plate 3 .

[0027] Furthermore, a gear protection cover 21 is provided on the right side plate 2, and the gear protection cover 21 is fixed to the right side plate 2 by bolts. The gear protection cover and the detachable design make maintenance and replacement of parts more convenient, and reduce the difficulty of maintenance; Working principle: First, the power is transmitted to the connecting rod through the universal joint adapter, and the connecting rod drives the pinion to rotate. The pinion meshes with gear 1 on the right side plate, and gear 1 repeatedly meshes with gear 2 on the cutter shaft, so that the cutter shaft starts to rotate. Blades are installed on the blade mounting seats evenly distributed on the cutter shaft. As the cutter shaft rotates, the blades begin to cut and loosen the soil. The blades are L-shaped structures, and adjacent blades are set in opposite directions to ensure sufficient turning and fragmentation of the soil; the anti-winding component inside the cutter shaft plays a role when the blade is working, and the cylinder pushes the cutting knife to cut off the debris wrapped around the blade, ensuring the normal operation of the blade and preventing the occurrence of winding; the spreading plate on the rear side of the top plate plays the role of leveling the soil after the soil is processed by the blade, and the spreading plate adjusts its position through the movable shaft to adapt to different working depths.

[0028] To sum up, the knife shaft in the present invention is provided with an anti-winding component, including a cylinder and a cutting knife. The cylinder can control the movement of the cutting knife when working. For the weeds entangled on the knife shaft, the cutting knife will cut off the entanglement, thereby avoiding the knife shaft and the blade from being entangled, effectively preventing plant residues from entangled in the knife shaft during operation, reducing downtime for maintenance, and improving work efficiency; the spreading plate on the rear side of the top plate is adjusted by a movable shaft rod, so that during the tillage process, the soil can be evenly spread and the tillage quality is improved; the blade and the blade mounting seat are fixed by bolts to ensure that the blade is not easy to fall off during high-speed operation, and it is also convenient to replace the blade; the hollow structure design inside the knife shaft not only reduces the weight of the whole machine, but also provides installation space for the internal anti-winding component to realize functional integration; the L-shaped blade and the oppositely arranged blade layout can improve the tillage effect and ensure sufficient turning and loosening of the soil.

[0029] The above are only preferred embodiments of the present invention. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the protection scope of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A rotary tiller with a knife shaft that prevents winding, characterized in that: The invention comprises a left side plate (1), a right side plate (2), a top plate (3), a knife shaft (4) and a blade (5), wherein the left side plate (1) and the right side plate (2) are symmetrically arranged, the top plate (3) is arranged at the top ends of the left side plate (1) and the right side plate (2), the left side of the top plate (3) is fixedly connected to the left side plate (1), and the right side of the top plate (3) is fixedly connected to the right side plate (2); the knife shaft (4) is arranged between the left side plate (1) and the right side plate (2), shaft seats are symmetrically arranged on the left side plate (1) and the right side plate (2), and the two ends of the knife shaft (4) are respectively arranged on the left side plate (1) and the right side plate (2) through the shaft seats. On the right side plate (2), a plurality of blade mounting seats (6) are arranged on the knife shaft (4), the blade mounting seats (6) are evenly arranged on the knife shaft (4), the blade (5) is arranged on the blade mounting seat (6), the knife shaft (4) is a hollow structure, an anti-winding component (7) is arranged inside the knife shaft (4), a mounting plate (8) is arranged inside the knife shaft (4), the anti-winding component (7) is symmetrically arranged on the mounting plate (8), and a through hole (9) used in conjunction with the anti-winding component (7) is opened on the knife shaft (4), and the through hole is opened between two blade mounting seats (6); The anti-winding assembly (7) comprises a cylinder (701), a cutting knife (702) and a cutting knife mounting seat (703); the cylinder (701) is arranged on the mounting plate (8); the cutting knife mounting seat (703) is arranged at the output end of the cylinder (701); and the cutting knife (702) is arranged on the cutting knife mounting seat (703).

2. The rotary tiller with anti-winding blade shaft according to claim 1, characterized in that: The top of the top plate (3) is provided with a universal joint adapter (10), and the output end thereof is provided with a connecting rod (11), the connecting rod (11) penetrates the right side plate (2) and extends to the other side, the end of the connecting rod (11) is provided with a pinion (12), the lower end of the pinion (12) on the right side plate (2) is provided with a gear 1 (13), the end of the knife shaft (4) is provided with a gear 2 (14), the pinion (12) and the gear 1 (13) are meshed with each other, and the gear 1 (13) and the gear 2 (14) are meshed with each other.

3. The rotary tiller with anti-winding blade shaft according to claim 1, characterized in that: The blade (5) is of an L-shaped structure; four blades (5) are arranged on the same blade mounting seat (6), and adjacent blades (5) are arranged in opposite directions.

4. The rotary tiller with anti-winding blade shaft according to claim 1, characterized in that: The ends of the blades (5) between two adjacent blade mounting seats (6) are parallel to each other.

5. The rotary tiller with anti-winding blade shaft according to claim 1, characterized in that: A spreading plate (15) is arranged on the rear side of the top plate (3), mounting members (16) are arranged on both sides of the rear end of the top plate (3), mounting blocks (17) are arranged on the two mounting members (16), a shaft (18) is arranged between the two mounting blocks (17), and the top end of the spreading plate (15) is movably arranged on the shaft (18).

6. The rotary tiller with blade shaft anti-winding according to claim 5, characterized in that: The top plate (3) is provided with a limit block (19) for use with the flattening plate (15).

7. The rotary tiller with anti-winding blade shaft according to claim 1, characterized in that: The blade mounting seat (6) is provided with a mounting hole, the blade (5) is provided with a mounting hole used in conjunction with the blade mounting seat (6), and the blade mounting seat (6) and the blade (5) are fixedly connected by bolts.

8. The rotary tiller with blade shaft anti-winding according to claim 1, characterized in that: Connecting pieces (20) are symmetrically arranged on the top of the top plate (3).

9. The rotary tiller with blade shaft anti-winding according to claim 1, characterized in that: A gear protection cover (21) is provided on the right side plate (2), and the gear protection cover (21) is fixed to the right side plate (2) by means of bolts.

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