家用电风扇叶片注塑模具设计毕业设计

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1、 I 摘要 本论文阐述一套用于生产风扇叶片的注塑模具设计，给定参数：风扇直径 30CM，风扇功率 45W 来进行设计。设计时首先设计出塑件模型，然后选择合适 的材料，接下来再进行模具设计（此次设计应用 Pro/E 野火 4.0 版设计） 。包括设 计模具的成型系统、浇注系统、冷却系统、导向系统、脱模系统等。设计的重点 在于成型系统和浇注系统与脱模系统，而成型系统的重点在于分型面的设计，它 决定了型芯和型腔结构以及模具的质量。因为扇叶塑件比较特殊，叶片的厚度较 薄，所以浇注系统浇口和主分流道的选择显得尤为重要。 在设计中,通过合理设计推出机构和脱模机构，保证了扇叶脱模时受力均匀， 避免了叶片变形

2、、扭曲。最后，通过选用合适的标准模架，设计出一套完整的模 具。 此外,为保证设计合理， 对注塑件进行各种工艺仿真， 提高了模具的设计效率！ 关键关键词词：风扇叶片；注塑模具；Pro/E 设计；分型面；成型系统；浇注系统 II ABSTRACT This paper need to design a set of injection molds for the production of fan blade. Given parameters: fan diameter 30CM, fan power 45W. Firstly the designation should design plas

3、tic model, and then select the appropriate materials, then you can design the mould system. The system includes molding system, pouring system, cooling systems, guidance systems, mold release system and so on. The importance are molding system and pouring system. The importance of the molding system

4、 is designing parting surface, it influent Core and cavity structure and the quality of the mold; As the blade is very thin, the designation of pouring system is more important. Of course, Introduced institutions and Stripping institutions must also be carefully designed. The molding institutions like blades must be even by force, otherwise the blade is easily deformed and distorted. At last, choose a standard mold base to form a complete set of molds. But during the design process, you must do