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Disc-type multi-tooth grinding machine

A disc type, pulverizer technology, applied in the field of mechanical equipment, to reduce friction and heat generation, improve reliability, and prolong service life.

Inactive Publication Date: 2015-05-20
HENAN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for granular materials, the teeth / knives arranged in parallel may easily cause part of the granular materials to splash and bounce during the high-speed cutting and extrusion process, and some granular materials will slip between the teeth / knife, resulting in friction between the teeth, knives and rollers. Heat generation will increase the energy consumption per unit output of the pulverizer, and the wear of the teeth, knives and rollers will increase, reducing the reliability of use and shortening the service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, a disc type multi-tooth pulverizer includes a housing 1, a motor 2, a driving shaft 3 and a belt transmission mechanism 4, the driving shaft 3 is installed in the housing 1, and the driving shaft 3 and the housing 1 Through the flexible connection of the bearing 5, the motor 2 drives the driving shaft 3 to rotate through the belt transmission mechanism 4. The driving shaft 3 is provided with a moving knife 6. The cross-sectional shape of the moving knife 6 is zigzag, and the moving knife 6 protrudes from a plurality of middle parts. The sheet cutter bodies are mounted in series on the driving shaft 3 to form the zigzag moving knife 6, the sheet cutter body is the tooth body of the zigzag moving knife 6, and the tooth grooves of the zigzag moving knife 6 are formed between the sheet cutter bodies. The housing 1 is provided with a fixed knife 7, the fixed knife 7 is zigzag, the fixed knife 7 and the movable knife 6 are intersected, and the toot...

Embodiment 2

[0027] Such as figure 2 As shown, the first embodiment is repeated, with the following difference: the movable knife 6 is an overall zigzag structure.

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Abstract

The invention provides a disc-type multi-tooth grinding machine which comprises a housing, a motor, a drive shaft and a belt transmission mechanism, wherein the drive shaft penetrates the housing; the motor is used for driving the drive shaft to rotate through the belt transmission mechanism; a movable knife is arranged on the drive shaft; the cross section of the movable knife is sawtooth-shaped; a fixed knife is arranged in the housing; the fixed knife is sawtooth-shaped; the fixed knife is crossly matched with the movable knife; a tooth body of the sawtooth-shaped movable knife is arranged in a tooth groove of the sawtooth-shaped fixed knife; and a tooth body of the sawtooth-shaped fixed knife is arranged in a tooth groove of the sawtooth-shaped movable knife. According to the grinding machine, the movable knife is arranged on the drive shaft of the grinding machine, the cross section of the movable knife is sawtooth-shaped, the sawtooth-shaped fixed knife is arranged on the housing of the grinding machine, the fixed knife is crossly matched with the movable knife, and the movable knife rotates and is matched with the fixed knife to cut and grind materials so as to achieve the purpose of grinding the materials.

Description

Technical field: [0001] The invention belongs to the technical field of mechanical equipment used for pulverizing granular materials, and in particular relates to a disc type multi-tooth pulverizer. Background technique: [0002] The pulverizer is a mechanical device that crushes bulk materials to the required size by applying force. According to the external force applied to the material during the crushing process, there are four forms: rolling, shearing, impact, and grinding. Rolling is mainly suitable for the crushing of hard materials and large blocks; shearing is mainly suitable for the crushing of ductile and plastic materials such as fibrous materials; impact is mainly suitable for crushing or crushing of brittle materials; grinding is mainly suitable for crushing of medium fineness Ultrafine pulverization. At present, pulverizers are generally divided into four categories: mechanical pulverizers, jet pulverizers, grinders and low-temperature pulverizers, and mec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C18/18
Inventor 李平吴长明苏莉袁庆龙欧阳维强钱志东
Owner HENAN POLYTECHNIC UNIV