Bionic disc tool for cutting crop stalks

A disc cutter and cutting blade technology, which is applied in the field of agricultural machinery, can solve the problems of blade breakage and failure, high power consumption of disc cutters, short service life of cutters, etc., so as to reduce cutting resistance, improve work efficiency, and reduce work effort. consumption effect

Inactive Publication Date: 2018-08-17
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the power consumption of the disc cutter is large, and although the cutting resistance will decrease with the decrease of the edge angle, the too small edge angle will easily lead to the damage and failure of the blade, and the tool life will be shorter

Method used

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  • Bionic disc tool for cutting crop stalks
  • Bionic disc tool for cutting crop stalks
  • Bionic disc tool for cutting crop stalks

Examples

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Effect test

example 1

[0017] Example 1: The thickness of the rotating disk 3 is F=4mm, the thickness of the cutting blade 4 is E=2mm, the overall diameter of the cutter head is M=240mm, the diameter of the rotating disk 3 is D=160mm, and the number of 4 cutting blades is Z=4, and the cutting blade is 4 Top width w=21mm, cutting blade 4 mounting end width L=30mm, cutting blade 4 radius R=95mm, tooth height h=4mm, tooth surface apex angle a=60°, tooth face inclination angle β=60°, tooth edge angle θ=30°, tooth gap s=2mm.

example 2

[0018] Example 2: The thickness of the rotating disk 3 is F=4mm, the thickness of the cutting blade 4 is E=2mm, the overall diameter of the cutter head is M=240mm, the diameter of the rotating disk 3 is D=160mm, the number of cutting blades 4 is Z=4, the cutting blade 4 Top width w=24mm, cutting blade 4 mounting end width L=30mm, cutting blade 4 radius R=96mm, tooth height h=4mm, tooth surface apex angle a=40°, tooth rake angle β=120°, tooth edge Angle θ=20°, tooth gap s=2.5mm.

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Abstract

The invention discloses a bionic disc tool for cutting crop stalks, and belongs to the field of agricultural machines. The bionic disc tool comprises a first tool disc and a second tool disc which oppositely rotate. Each of the first tool disc and the second tool disc is composed of a rotation disc and cutting blades. The shapes of the cutting blades are of an arc curve structure. A plurality of toothed structures are continuously arranged on a curve of a cutting edge of each cutting blade. According to the bionic disc tool, the arc outline of the propodeum tibia of the mantis and the outer edge armature geometric structure and the arrangement form of the mantis serve as a bionic archetype, and the cutting face shape and the bionic toothed cutting edge structure of the cutting blades in the disc tool are designed; and compared with a traditional disc tool, by means of the bionic disc tool for cutting the crop stalks, the power consumption of cutting work can be reduced by about 10%.

Description

technical field [0001] The invention relates to the field of agricultural machinery, in particular to a bionic disc cutter for cutting crop stalks. Background technique [0002] The cutter is one of the important components of the crop harvesting machinery, and its performance plays a great role in the smooth progress of the harvesting operation and the reduction of harvesting losses. The disc cutter runs smoothly, has strong reliability and wide applicability, and is especially suitable for cutting tall and thick crop stalks with high moisture content such as sugar cane and corn. It is easy to disassemble and assemble, and the working width can be adjusted. However, the power consumption of the disc cutter is large, and although the cutting resistance will decrease with the decrease of the edge angle, the too small edge angle will easily lead to the damage and failure of the blade, and the tool life will be shorter. Therefore, cutting parts with small cutting resistance, l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26D1/28A01D45/00
CPCA01D45/00B26D1/0006B26D1/28B26D2001/0033B26D2001/006
Inventor 李默孙洪亮杨玉婉吕建华包健伦佟金
Owner JILIN UNIV
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