摘要

氟塑料叶轮作为微型汽车发动机冷却系统中离心式水泵的关键部件，其制造质量直接影响水泵的性能及汽车发动机的冷却效果。本文聚焦于氟塑料叶轮的压注模具设计，深入分析了氟塑料叶轮零件的结构特性和制造要求。通过对叶轮展开尺寸的精确计算，确定了压注成形的工艺方案及各道工序的具体参数。论文详细阐述了压注模具的总体结构设计，并在此基础上明确了模具零件的具体结构和尺寸，旨在提高生产效率并降低成本。本文主要介绍了氟塑料叶轮压注模具设计的基本工序方案、工艺参数计算、模具结构设计及其尺寸确定等内容，为氟塑料叶轮的优质高效生产提供了技术支持。

关键词：氟塑料叶轮；压注模具设计；工艺参数；模具结构

ABSTRACT

As the key component of centrifugal water pump in the cooling system of miniature automobile engine, the manufacturing quality directly affects the performance of water pump and the cooling effect of automobile engine. This paper focuses on the design of fluorine plastic impeller, and deeply analyzes the structural characteristics and manufacturing requirements of fluorine plastic impeller parts. Through the precise calculation of impeller expansion size, the process scheme and the specific parameters of each process are determined. The paper expounds the overall structural design of the injection mold, and clarifies the specific structure and size of the mold parts to improve the production efficiency and reduce the cost. This paper mainly introduces the basic process scheme, process parameter calculation, mold structure design and size determination of the injection mold design of fluorine plastic impeller, which provides technical support for the high quality and efficient production of fluorine plastic impeller.

Key words: fluoroplastic impeller; pressure injection die design; process parameters; die structure

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