Anti-blocking discharge rotary valve

By introducing a regulating and crushing mechanism into the rotary valve, the problem of powder blockage was solved, and stable powder conveying was achieved.

CN224590210UActive Publication Date: 2026-08-04CHANGZHOU JNC MASCH CO LTD
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Patent Information

Application Number
CN202522531654.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-28
Publication Date
2026-08-04
Estimated Expiration
2035-11-28

AI Technical Summary

Technical Problem

Existing rotary valves are prone to clogging during powder conveying due to powder clumps, affecting their use.

Method used

A rotary valve for preventing material blockage was designed, comprising a control mechanism and a crushing mechanism. The feeding amount is controlled by adjusting the position of the baffle, and the powder is dispersed by crushing discs and scrapers to prevent blockage.

Benefits of technology

This achieves stable powder conveying, avoids clogging of the rotary valve, and ensures continuous material conveying.

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Abstract

This application relates to the field of rotary valve technology and discloses an anti-clogging rotary valve for material discharge. The valve includes a rotary valve body, a connecting box located on top of the rotary valve body, and a feed cylinder located on top of the connecting box. A regulating mechanism is installed inside the connecting box, and a crushing mechanism is installed inside the feed cylinder. The regulating mechanism includes a drive motor, a threaded rod, a threaded sleeve, and a baffle. The threads on both sides of the threaded rod are in opposite directions. The threaded sleeve is threadedly connected to the outer surface of the threaded rod, and one end of the threaded sleeve is welded to the baffle. The baffle is slidably connected to the inside of the connecting box. The two sets of baffles move closer or further apart to control the discharge volume. This anti-clogging rotary valve, by adjusting the positions of the two sets of threaded sleeves, causes the baffles to move closer or further apart, thereby adjusting the size of the discharge port inside the connecting box. This controls the amount of powder input into the rotary valve body, preventing powder from clogging the rotary valve body and allowing the rotary valve body to stably convey powder.
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