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摘要：本文介绍了防护罩模具的设计。详细地分析了该产品的结构以及材料性能，详细地讲解了注塑模具设计的浇口位置选择，并用moldflow软件进行了简单的分析，同时还介绍了在设计该注塑模具时的技术、理论、方法以及其他的相关知识。模具的设计是利用辅助设计软件ProE及AutoCAD进行设计的，绘制了模具的装配图、型腔、型芯及重要零部件的零件图。
- 上一篇：斯普瑞喷雾塑料模设计+CAD图纸
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本文详细分析了塑件模具的设计过程，模具结构形式的确定、注射机类型的选择、分型面的确定、浇注系统的设计、脱模结构的设计、一些主要零件的设计，包括导柱、导滑槽、楔紧块、滑块定位装置的设计等。在设计的过程中要注意一些细节问题，例如模架的选择要注意的是两板式结构还是三板式结构、在浇注系统的设计中要考虑塑料的流动性、在选择模架时要注意它与注塑机搭配关系。23489
在设计时结合注塑模设计和生产的实际情况，重点介绍了注塑模模流设计在浇口位置、熔接线位置、流动形态、浇道设计等方面的技术要领。根据注塑机的注射压力来决定浇口数目，在流动平衡的状况下确定浇口位置，选择浇口位置时，必须考虑充填过程的流动方式。为确保产品质量，应尽量减少浇口数目从而相应的减少熔接线的条数。熔接线及熔接线的位置，必须控制在最不影响成品品质的区域内。浇道是针对具体的产品，同时考虑以上诸多因素，有时甚至要在生产的实际中不断改进而设计出的。论文网
关键词：注塑模、设计、防护罩、模架、ProE
Plastic Protection Cap Molding Analysis and Mold Design
Abstract: This paper introduces the design of plastic mold of hood, and analysis the structure of the product and the parameters about the material, specially introduce the injection gate position for the mold，with the software moldflow analysis the flow rate. At the same time it also introduces the design of injection mold technology, the theory, method and other related knowledge. The design of the mold uses the auxiliary design software ProE and AutoCAD. Draw the mold assembly drawing, cavity, cores and important parts drawing.
This document analysis the plastics mold manufacturing process in details , the determination of mold structure forms, the selection of injection molding machine type, the determination of points of the type, the design of gating system, the slider positioning device design stripping structure design, some of the main components of the design including guide pin, the chute, oblique tight piece, etc. Some details should be pay attention to in the design, such as should pay attention to the choice of the formwork is two board type structure or three plate structure, it should be considered plastic liquidity in the design of gating system, it should pay attention to the collocation relationship of injection molding machine in choosing formwork.
According to the mold design and actual production, specially introduced the mold design about injection gate position, welding line, flow rate, cold runner etc. according to the injecting pressure of the injection machine to design the cavities, according to flow rate to design the gate position, when choosing the gate position, we should consider the flow rate method, and should decrease the gate quantity and welding lines, so that can confirm the quality of the product, about the welding line, we should design it at the position that not affect the quality of the product, about the runner, it is designed and improved in the production according to the information above.
Key words: injection, mold design, hood, mold structure, ProE
目 录
1 前言 3
2 塑件工艺分析与设计 5
2.1 概述 5
2.2 塑件分析 5
2.3 塑件材料的选择 6
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