Angle-adjustable L-shaped cutting knife assembly of grain harvester

Abstract

The utility model relates to the technical field of agricultural mechanical parts, in particular to an angle-adjustable L-shaped cutting knife assembly of a grain harvester, which comprises a rack, a fixed knife and a movable knife are mounted in the rack, the movable knife comprises a rotating shaft, a plurality of movable blades are mounted on the rotating shaft, the fixed knife is fixed on the rack, the fixed knife comprises a plurality of fixed blades, the rotating direction of the movable knife is a feeding direction, and the movable blades are fixed on the rack. The fixed blade and the movable blade are both of an L-shaped structure, the orientation of the cutting edge of the fixed blade is opposite to the working feeding direction, the orientation of the cutting edge of the movable blade is in the working feeding direction, the movable blade and the fixed blade structurally comprise a blade body, a blade head and an adjusting screw rod, the adjusting screw rod is fixedly connected with the blade head and the blade body, and the blade head can rotate by being adjusted to be loose through the adjusting screw rod. The angle between the tool bit and the tool body is adjusted, and the tool bit and the tool body are tightened for fixation. The cutting knife assembly of the grain harvester is installed on the grain harvester and has the advantages of being capable of adjusting the angle of the knife head, convenient to use, capable of saving cost, capable of better meeting working requirements and high in smashing quality and efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery parts, in particular to a grain harvester knife assembly. Background Art

[0002] The grain harvester has a cutter assembly, which includes a frame, a fixed cutter and a movable cutter are installed on the frame, the movable cutter includes a rotating shaft, a plurality of movable blades are installed on the rotating shaft, the fixed cutter is fixed on the frame, the fixed cutter includes a plurality of fixed blades, and the fixed cutter and the movable cutter cooperate with each other so that the grain stalks can be clamped between the two blades, and then pressed and cut into smaller pieces. In the prior art, the fixed cutter and the movable cutter are straight blades, and the blade is located at the front of the cutter. Different cutters need to be replaced to meet the needs for different grains. Such a grain harvester cutter assembly has the disadvantages of poor crushing efficiency and quality, high cost, inconvenience in use, and poor adaptability. Utility Model Content

[0003] The purpose of the utility model is to provide a grain harvester cutter assembly with high efficiency and good quality in crushing grain stalks, which can meet work requirements, save costs and is easy to use: an angle-adjustable L-shaped grain harvester cutter assembly.

[0004] The technical solution adopted by the utility model is: an angle-adjustable L-shaped grain harvester blade assembly, comprising a frame, a fixed blade and a movable blade are installed in the frame, the movable blade comprises a rotating shaft, a plurality of movable blades are installed on the rotating shaft, the fixed blade is fixed on the frame, the fixed blade comprises a plurality of fixed blades, the rotating direction of the movable blade is the working feed direction, the fixed blade and the movable blade are both in an L-shaped structure, the direction of the fixed blade blade is opposite to the working feed direction, the direction of the movable blade blade is along the working feed direction, and the movable blade and the fixed blade structure comprise a blade body, a blade head and an adjusting screw.

[0005] Furthermore, the adjusting screw is fixedly connected to the cutter head and the cutter body, and the cutter head can be rotated by loosening the adjusting screw to adjust the angle between the cutter head and the cutter body, and can be tightened to fix it.

[0006] Furthermore, 4 or 6 moving blades are installed on the rotating shaft.

[0007] The beneficial effects of the utility model are as follows: installing the grain harvester blade assembly on the harvester can improve the crushing quality and efficiency; the adjusting screw fixedly connects the blade head and the blade body, and the blade head can be rotated by loosening the adjusting screw to change the angle between the blade head and the blade body, and can be fixed by tightening the screw, which also has the advantages of better adapting to work requirements, saving costs, and being easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a side structural schematic diagram of the cutting knife assembly of the utility model;

[0009] Figure 2 It is a schematic diagram of the side structure of the movable blade and the fixed blade.

[0010] Among them: 1, frame 2, movable blade 3, fixed blade 4, fixed blade edge 5, movable blade edge 6, rotating shaft 7, blade body 8, blade head 9, adjusting screw. DETAILED DESCRIPTION

[0011] The utility model is further described below in conjunction with the accompanying drawings.

[0012] like Figure 1 , 2 As shown, an angle-adjustable L-shaped grain harvester blade assembly includes a frame 1, in which a fixed blade and a movable blade are installed, the movable blade includes a rotating shaft 6, on which a plurality of movable blades 2 are installed, the fixed blade is fixed to the frame, the fixed blade includes a plurality of fixed blades 3, the rotating direction of the movable blade is the working direction, the fixed blades and the movable blades are both L-shaped structures, the fixed blade blade 4 is oriented against the working direction, and the movable blade blade 5 is oriented along the working direction, the movable blade and the fixed blade structure include a blade body 7, a blade head 8 and an adjusting screw 9, the adjusting screw is fixedly connected to the blade head and the blade body, the blade head can be rotated by loosening the adjusting screw, the angle between the blade head and the blade body is adjusted, and the angle between the blade head and the blade body is adjusted, and the angle between the blade head and the blade body is fixed by tightening.

[0013] In this way, the grain stalks can be clamped more easily between the movable blade 2 and the fixed blade 3, thereby increasing the crushing effect. The utility model has the advantages of high crushing quality and efficiency.

[0014] Furthermore, the adjusting screw is fixedly connected to the blade body 7 and the blade head 8, and the blade head can be rotated by loosening the adjusting screw 9 and can be fixed by tightening it.

[0015] Furthermore, the angle between the blade head and the blade body is a right angle.

[0016] Furthermore, the angle between the blade head and the blade body is less than 90 degrees.

[0017] Furthermore, 4 or 6 moving blades are installed on the rotating shaft.

[0018] In this way, the angle between the movable blade 2 and the fixed blade 3 can be adjusted according to working needs, which has the advantages of meeting the working conditions required by different crops, saving costs, and being easy to use.

[0019] The above-mentioned specific embodiments are only specific cases of the present utility model. The patent protection scope of the present utility model includes but is not limited to the product form and style of the above-mentioned specific embodiments. Any angle-adjustable L-shaped grain harvester blade assembly that complies with the claims of the present utility model and any appropriate changes or modifications made thereto by ordinary technicians in the corresponding technical field shall fall within the patent protection scope of the present utility model.

Claims

1. An angle-adjustable L-shaped grain harvester blade assembly includes a frame, a fixed blade and a moving blade are installed in the frame, the moving blade includes a rotating shaft, a plurality of moving blades are installed on the rotating shaft, the fixed blade is fixed on the frame, the fixed blade includes a plurality of fixed blades, and the rotating direction of the moving blade is the working direction, and is characterized by: The fixed blade and the movable blade are both L-shaped structures, the fixed blade edge faces against the working direction, and the movable blade edge faces along the working direction. The movable blade and the fixed blade structure include a blade body, a blade head and an adjusting screw.

2. The grain harvester blade assembly according to claim 1, characterized in that: The adjusting screw is fixedly connected to the cutter head and the cutter body. The cutter head can be rotated by loosening the adjusting screw to adjust the angle between the cutter head and the cutter body, and can be fixed by tightening the adjusting screw.

3. The grain harvester blade assembly according to claim 1, characterized in that: Four or six moving blades are installed on the rotating shaft.

4. The grain harvester blade assembly according to claim 2, characterized in that: The angle between the blade head and the blade body is a right angle.

5. The grain harvester blade assembly according to claim 2, characterized in that: The included angle between the blade head and the blade body is less than 90 degrees.

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