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Cutting blade for automatic fruit picking machine

A cutting blade and automatic picking technology, which is applied in the field of agricultural machinery, can solve the problems of unsatisfactory blade sharpness and sharpness retention time, inability to quickly cut off the fruit root, and affect the cutting effect, etc., to improve coating retention, The effect of hardness improvement and overall quality improvement

Active Publication Date: 2017-12-12
聊城市绿洲景区管理服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently used automatic fruit picking machines have reached the corresponding standards for the size recognition of fruits and vegetables, but the sharpness of the blades and the sharpness retention time are not satisfactory.
After the fruit and vegetable picking machine passes through the fruit on the tree, it uses simple size recognition, and then uses its sharp blade to cut off the root of the fruit. If the phenomenon occurs, the cutting effect will be affected at the slightest, and the shutdown will be caused at the severe one.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A cutting blade for an automatic fruit picking machine, the chemical composition of the cutting blade matrix is ​​calculated by weight percentage: WC: 18.2%, TiC: 6.6%, RE: 0.52%, and the balance is Co and unavoidable impurities;

[0019] The blade portion on the cutting blade substrate is sequentially coated with a metal titanium film, a first titanium nitride film, a titanium carbonitride film and a second titanium nitride film from the inside to the outside, wherein the thickness of the metal titanium film is 36nm, The thickness of the first titanium nitride film is 0.68 μm, the thickness of the second titanium nitride film is 0.32 μm, and the thickness of the titanium carbonitride film is 0.96 μm; the above multi-layer coating adopts the multi-arc source ion coating method for coating .

[0020] The average particle size of the WC phase is 2.6 μm, and the average particle size of the TiC phase is 1.62 μm.

Embodiment 2

[0022] A cutting blade for an automatic fruit picking machine, the chemical composition of the cutting blade matrix is ​​calculated by weight percentage: WC: 21.2%, TiC: 8.0%, RE: 0.38%, and the balance is Co and unavoidable impurities;

[0023] The blade portion on the cutting blade substrate is sequentially coated with a metal titanium film, a first titanium nitride film, a titanium carbonitride film and a second titanium nitride film from the inside to the outside, wherein the thickness of the metal titanium film is 36nm, The thickness of the first titanium nitride film is 0.69 μm, the thickness of the second titanium nitride film is 0.36 μm, and the thickness of the titanium carbonitride film is 1.12 μm;

[0024] The average particle size of the WC phase is 2.9 μm, and the average particle size of the TiC phase is 1.5 μm.

Embodiment 3

[0026] After the cutting blade matrix described in embodiment 1 or 2 is formed, the steps are as follows:

[0027] (1) Put the formed semi-finished cutting blade base into a resistance furnace to raise the temperature to 869°C, keep it warm for 31 minutes, then put it into quenching oil for rapid cooling to 223°C, and then place it in the air to cool to room temperature;

[0028] (2) Put the semi-finished product cooled to room temperature in step (1) into a cryogenic box and cool it to -99°C, keep it warm for 16 minutes, and then return it to room temperature by high-pressure water spray;

[0029] (3) Put the semi-finished product obtained in step (2) into a tempering furnace and raise the temperature to 192°C, keep the temperature for 1.6 hours, then cool the furnace to room temperature to obtain the finished product of the cutting blade matrix.

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Abstract

The invention belongs to the field of agricultural machines and particularly relates to a part of an automatic fruit picking machine, in particular to a cutting blade for the automatic fruit picking machine. Components, content, the microstructure and the like of the blade are improved, so that the durability and working efficiency of the blade are greatly improved, and the working efficiency of the agricultural machine is greatly improved.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, and in particular relates to parts of an automatic fruit picking machine, in particular to a cutting blade used therein. Background technique [0002] The automation of agricultural machinery is gradually entering family farms, and because the target of agricultural machinery is not a standard part like industrial products, it varies with the influence of factors such as climate, moisture, and region, so modern agricultural machinery does not Unlike previous years, as long as the cost is low and sufficient, it pays more and more attention to the breadth, quality and durability of applications. The currently used automatic fruit picking machines have reached corresponding standards for the size identification of fruits and vegetables, but the sharpness and sharpness retention time of their blades are not satisfactory. After the fruit and vegetable picking machine passes through the fruit on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C19/07C22C32/00C23C14/58C23C14/06C23C14/14A01D46/30
Inventor 罗志诚
Owner 聊城市绿洲景区管理服务有限公司
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