A semi-automatic anti-pollution powder sample divider

By combining a detachable reduction disc and a reusable centrifuge sleeve with traditional manual reduction methods, the problem of low efficiency in multi-sample reduction of fully automatic reduction instruments is solved, enabling rapid replacement and cleaning, and ensuring sample representativeness and accuracy of analytical results.

CN224552845UActive Publication Date: 2026-07-24CHEM MINERALS & METALLIC MATERIALS INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHEM MINERALS & METALLIC MATERIALS INSPECTION CENT OF TIANJIN ENTRY EXIT INSPECTION & QUARANTINE BUREAU
Filing Date
2025-06-18
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing fully automated sample reduction instruments are inefficient in multi-sample reduction work and suffer from cross-contamination and insufficient sample representativeness.

Method used

A semi-automatic, pollution-resistant powder sample reduction instrument was designed. It adopts a detachable reduction disc and a reusable or disposable centrifuge sleeve, combined with traditional manual reduction methods, to ensure sample representativeness. The detachable structure enables quick replacement and cleaning.

Benefits of technology

It improves the efficiency of multi-sample reduction, reduces cross-contamination, ensures sample representativeness, simplifies the cleaning and maintenance process, and enhances the convenience of the equipment and the accuracy of the analysis results.

✦ Generated by Eureka AI based on patent content.

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Abstract

A kind of semi-automatic pollution prevention type powder sample sub-division instrument, including box shell, upper cover, sample disc outer frame, flat plate, centrifugal cylinder, toothed disc, fixed support plate, ball, semicircular centrifugal sleeve, scraper, motor, the sample disc outer frame inside is connected sample disc, sample disc has multiple blanking hole, sample disc outer frame lower part has T-shaped sliding slot, a group of T-shaped sliding slot is distributed in sample disc outer frame lower part, sample disc outer frame lower surface is attached with the upper surface of flat plate, flat plate upper part has T-shaped sliding block, T-shaped sliding block is symmetrically arranged on flat plate upper part, T-shaped sliding block is adapted to T-shaped sliding slot, T-shaped sliding block is inserted into T-shaped sliding slot, T-shaped sliding block slides in T-shaped sliding slot, flat plate side has flat plate side plate, flat plate side plate side is connected with No. 1 handle, scraper connects scraper side block, scraper side block is symmetrically arranged on both sides of scraper, box shell has strip-shaped sliding hole, scraper side block is adapted to strip-shaped sliding hole, scraper side block is inserted into strip-shaped sliding hole, scraper side block slides in strip-shaped sliding hole, handle connects strip-shaped insertion hole, box shell side has let hole.
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