Cotton crusher for producing hydroxypropyl methyl cellulose

Through the design of anti-blocking mechanism and cleaning components, the problem of easy clogging of screen after cotton crushing is solved, efficient powder screening is achieved, and the production quality of hydroxypropyl methylcellulose is improved.

CN223367159UActive Publication Date: 2025-09-23NINGJIN WANQIANG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422347820.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-09-23
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

In the existing hydroxypropyl methylcellulose production process, the particle size of the cotton after crushing is uneven, which makes the screen easy to be blocked and affects the screening efficiency.

Method used

Design anti-blocking mechanism and cleaning components, use the motor to drive the cam to rotate, drive the moving plate and the round rod to hit the screen plate to generate vibration, combine with the reciprocating screw to drive the cleaning plate to move horizontally to prevent powder accumulation, set up a collection frame to collect unqualified powder.

Benefits of technology

It effectively prevents screen clogging, improves the screening efficiency of crushed powder, and ensures the production quality of hydroxypropyl methylcellulose.

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Abstract

The utility model relates to the technical field of crusher equipment, and discloses a cotton crusher for producing hydroxypropyl methyl cellulose, which comprises a fixed seat, a crushing box and a crushing device, when cotton fibers are smashed, the screen plate is used for screening smashed powder, the powder with the qualified fineness can be separated from coarse powder, and therefore the production quality of hydroxypropyl methyl cellulose is guaranteed, the anti-blocking mechanism is arranged, a motor is started to drive a cam to rotate, and under the action of continuous rotation of the cam and the self weight of a movable plate, the anti-blocking mechanism is arranged, and therefore the anti-blocking effect is achieved. The two movable plates can drive the corresponding round rods to reciprocate up and down at the same time, the round rods continuously impact the sieve plate to enable the sieve plate to vibrate continuously, coarse powder retained above the sieve plate can better slide to the position above the fixed plate through the inclined face of the sieve plate, powder accumulation above the sieve plate is avoided, and the service life of the sieve plate is prolonged. Therefore, meshes of the sieve plate are prevented from being blocked, and the screening efficiency of the sieve plate on crushed powder is guaranteed.
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