Cutting knife of anti-blocking-up device for no-tillage seeder
A seeder and cutter technology, applied in the application, agricultural machinery and implements, shovels, etc., can solve the problems of high power consumption, damage to the ground surface, inability to cut off the root system of crops, etc., and achieve the effect of reasonable design and reliable use
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[0013] Below in conjunction with the preferred embodiment shown in accompanying drawing, be described in further detail:
[0014] As shown in Fig. 1, the cutter for the anti-blocking device of the no-tillage seeder is provided with a mounting hole 3 in the center of the cutter body 1, and a plurality of cutter teeth 2 with the same shape and size are arranged on the outside, and the cutter teeth are composed of the main blade 21, the auxiliary Blade 22, knife back 23 form. The main blade 21 is an Archimedes spiral, the secondary blade 22 is a curve, the back 23 of the blade is a straight line, and the blade teeth 2 and the blade body 1 are integrated. The sliding cutting angle a of the cutter tooth 2 is 55-70°, the clearance angle b is 0°, the angle c between the auxiliary blade 22 and the knife back 23 is 80°, and the central angle of the auxiliary blade 22 is 12°. The distance R between the tip of the cutter tooth 2 and the center of the cutter body 1 is 250mm; the thicknes...
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