流动性能测试样品预处理成型装置及成型工艺

By utilizing the filling, compaction, and melting mechanisms of the sample pretreatment molding device for flow performance testing, the problems of sample stacking voids and bubble formation in the determination of thermoplastic melt flow rate were solved, achieving efficient sample molding and melting, and improving the accuracy and stability of the measurement.

CN122217807BActive Publication Date: 2026-07-17TIANJIN WEIXING NEW BUILDING MATERIALS CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN WEIXING NEW BUILDING MATERIALS CO LTD
Filing Date
2026-05-19
Publication Date
2026-07-17

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Abstract

本发明涉及成型装置技术领域，具体为热塑性高聚物高温流体质量流动性能测试样品预处理成型装置及成型工艺，包括盛装机构、压实机构、压碎机构和熔融机构，所述盛装机构包括底板、与所述底板顶部固接的盛筒、安装于所述盛筒输出端上的阀门。本发明中，先控制电机一逆时针转动使空心筒伸出，液压缸伸长使外筒悬于盛筒上方以便投料；投料后液压缸往复伸缩，同时电机二驱动外筒偏心转动，使空心筒均匀粉碎盛筒内各区域原料；随后电机一顺时针转动收回空心筒，液压缸收缩并将盛筒内空气经排气管尽数排出，从而保证原料熔融效果，为测得真实熔体流动性提供条件。
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Citation Information

Patent Citations

  • Method for testing melt index

    CN120628910A

  • Melt flow rate appearance sample is forming device in advance

    CN208705143U