Traditional Chinese medicine grinding and screening device, working method and design method

By designing a Chinese medicinal herb pulverizing, grinding, and sieving device, which employs shearing and pulverizing with a blade assembly and fine grinding with a grinding disc, combined with vibrating sieving, the problem of insufficient pulverization and entanglement of hard and tough Chinese medicinal herbs has been solved, achieving continuous, efficient, and refined processing of Chinese medicinal herbs.

CN122273646APending Publication Date: 2026-06-26QINGDAO UNIV OF TECH +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
QINGDAO UNIV OF TECH
Filing Date
2026-04-21
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing mechanical crushing equipment is prone to problems such as insufficient cutting, entanglement and blockage, low crushing efficiency and uneven particle size when processing hard and tough Chinese medicinal materials. Moreover, the crushing and screening processes are not continuous, making it difficult to meet the needs of modern Chinese medicinal material processing for continuous, refined and efficient processing.

Method used

A device for pulverizing, grinding, and sieving Chinese medicinal materials was designed, including a pulverizing section, a grinding section, and a sieving section. The device uses a blade assembly for shearing and pulverizing, and the spiral grooves on the outer periphery of the grinding disc cooperate with the inner wall protrusions for fine grinding. Dynamic sieving is achieved through a vibration assembly, thus constructing a continuous processing link of coarse pulverization, fine grinding, and dynamic sieving.

Benefits of technology

It effectively solves the problems of insufficient cutting and entanglement blockage, realizes the automatic connection of crushing, grinding and sieving processes, significantly improves production efficiency and the uniformity of finished product particle size, and meets the application requirements of traditional Chinese medicine micro powder and even ultrafine powder.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention discloses a device, working method, and design method for pulverizing, grinding, and sieving Chinese medicinal materials, belonging to the field of Chinese medicinal material pulverization technology. It includes a pulverizing section, a grinding section, a conveying section, and a sieving section. The pulverizing section has a pulverizing chamber with a blade assembly inside, and a first sieving screen at the bottom of the pulverizing chamber. The grinding section has a grinding chamber located below the first sieving screen, with a grinding disc inside. The outer circumference of the grinding disc has spiral grooves, and the inner wall of the grinding chamber corresponding to the grinding disc has spiral ridges. A second sieving screen is located at the bottom of the grinding chamber. The conveying section is located below the second sieving screen and is configured as a funnel-shaped feeding channel. The sieving section has a screen assembly located below the conveying section, with a vibration assembly below the screen assembly, and a vibration damping assembly between the vibration assembly and the sieving assembly. This invention solves the problems of low pulverization efficiency, uneven particle size, and discontinuous process in existing pulverizing equipment when processing hard and tough Chinese medicinal materials.
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