Filling and conveying apparatus and filling control method

By adopting an optimized layout of unequal pitch screws and filling units, the problem of high machining precision in existing technologies has been solved, reducing equipment costs and improving the reliability and stability of filling and conveying.

WO2026143438A1PCT designated stage Publication Date: 2026-07-09SHANGHAI TOFFLON SCI & TECH CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
SHANGHAI TOFFLON SCI & TECH CO LTD
Filing Date
2024-12-31
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Existing filling and conveying equipment uses screws with equal pitch, which results in high requirements for machining precision and low requirements for installation error, increasing the cost of equipment use.

Method used

The design employs an unequal pitch screw, combined with an optimized layout of the helical structure and filling unit. This reduces processing and replacement costs through the unequal pitch screw and enables automated filling control through a control system.

Benefits of technology

It reduces the processing and replacement costs of the equipment, improves the reliability and stability of filling and conveying, reduces the scrapping of parts and the difficulty of processing, and enables simultaneous filling and continuous conveying of multiple containers.

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  • Figure CN2024144275_09072026_PF_FP_ABST
    Figure CN2024144275_09072026_PF_FP_ABST
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Abstract

A filling and conveying apparatus and a filling control method. The filling and conveying apparatus comprises: a belt conveying mechanism (1), a filling assembly (2), a screw (3) and a first driving mechanism (4); the screw (3) is parallel to a conveying direction, and is located on a conveying path of the belt conveying mechanism (1) and below the filling assembly (2); when the belt conveying mechanism (1) conveys a container, the first driving mechanism (4) is configured to drive the screw (3) to rotate around its central axis so as to drive, by means of its spiral grooves (3a), the container to move in the conveying direction. The screw (3) is provided with a plurality of spiral structures in the conveying direction, each spiral structure being arranged in a region between two corresponding adjacent filling units (21), and the spiral structures having unequal pitches distributed in the conveying direction. Designing the screw (3) as a screw having unequal pitches provides greater tolerance for machining accuracy errors, thus reducing the use costs such as machining and replacement of corresponding parts.
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