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1、成都电子机械高等专科学校模具设计说明书摘 要塑料乃四大工艺原材料之一，是一种新型工程材料，发展速度迅猛。塑料的加工和成型工艺也越来越得到重视，塑料的用途也越来越广泛，特别是生活用品中塑料制品占了很大比例。注射成型是最常用的塑料零件成型方法。成型塑料制品的模具叫做塑料模具。要求是：能生产出在尺寸精度、外观、物理性能等方面均能满足使用要求的优质制品。从模具使用角度，要求高效率、自动化、操作简便；从模具制造角度，要求结构合理、制造容易、成本低廉。现代塑料制品中合理的加工工艺、高效的设备、先进的模具是必不可少的三项重要因素，尤其是塑料模具对实现塑料加工工艺要求，塑料制件使用要求和造型设计起着重要作用。
2、高效的全自动的设备也只有装上能自动化生产的模具才能发挥基效能，产品的生产和更新都是以模具的制造和更新为前提。由于工业塑件和日用塑料制品的品种和产量需求量很大，对塑料模具生产不断向前发展。该课题的主要任务是设计一副盖套件注塑模具来生产盖套件塑件制品，以实现自动化生产提高产量。针对该盖套件的具体结构，该注塑模设计制造的最大难点在于该盖套件的三处突起以起到密封作用的设计，但总体结构较为简单。设计过程中按照国家在机械设计方面有关标准，在零件制造、产品装配、标准件选择等均严格按照标准执行。本设计所涉及的技术资料有：机械设计；塑料成型工艺，模具设计大典等。本文主要是对该盖套件注塑模的设计进行说明和描述。首
3、先，本文将概述该盖套件塑件设计的结构特点，材料的选用，塑料的性能,并且阐述选择这种原料的原因，并拟定成型方案。其次，本文将讲述该盖套件的模具结构设计。再次，本文将讲述该盖套件的模具设计计算。最后，本文将简单讲述模具的工作原理和工作特点。由于本人经验薄弱、资历尚浅，有不妥之处敬请老师指正和谅解，谢谢。 Summary Plastic is one of the four processes of raw materials is a new engineering material, the rapid pace of development. Plastics processing and m
4、olding process has been more attention, more and more widespread use of plastics, particularly plastic household items in a large proportion. Injection molding is the most common method of molding plastic parts. Molding plastic mold plastic mold called. Requirements are: to produce the precision in
5、size, appearance, physical performance, it can meet the requirements of high-quality products. Angle from the mold used to require high efficiency, automation, easy operation; from mold manufacturing point of view, demands a rational structure, easy manufacture and low cost. Reasonably modern plasti
6、cs processing technology, efficient equipment, advanced mold is essential to the three important factors, especially the plastic mold plastics processing technology for achieving the requirements of plastic workpiece using the requirements and design play an important role model. Efficient automatic
7、 equipment is only equipped with automated production molds can be play-based performance, the production and updating are based on the manufacture of molds and updated as the premise. As the industrial and household plastic products, plastic parts, and yields of varieties in great demand, the produ
8、ction of plastic mold continuous development. The topics cover the main task is to design a kit to produce plastic injection mold plastic products cover package to automate the production to increase output. The cover package for the specific structure of the injection mold design and manufacturing
9、of the most difficult is that the cover package of 3 processes to play a role in the design of sealed, but the overall structure is relatively simple. The design process in mechanical design in accordance with the relevant national standards, in parts manufacturing, product assembly, standard parts
10、selection Deng Jun strict accordance with the standard. The design of the technical information covered include: mechanical design; plastic molding process, mold design and ceremony and so on. This article is the cover design of injection mold package instructions and descriptions. First, the paper
11、will outline the design of plastic parts in the kit cover the structural features, material selection, performance plastics, and explain the reasons for choosing this material and to develop molding program. Secondly, this article describes the structure of the cover design of the mold package. Agai
12、n, this article describes the design and calculation of the mold cover kit. Finally, this article will briefly outline the mold of the working principle and characteristics. As my experience, weak junior, something has gone wrong please correct me and understanding teacher, thank you. 目录摘要 . 21、产品技术
13、要求及工艺分析. 31.1 产品技术要求 . 31.2 制件的工艺性分析 52、拟定成型方案 82.1 分型面的选择 . 82.2 型腔数目的确定及布置. 112.3 初步确定使用注射机的型号 .122.4 浇注系统的设计 .143、成型零件的设计与计算.193.1 成型零件的结构设计 .193.2 成型零件工作尺寸的计算 .214、脱模机构的设计 254.1强制脱模的计算.264.2 推出机构的结构形式 .265、导向合模机构的设计 .285.1 导柱合模机构的设计 .285.2 边锁精定位机构的设计.296、模具温度控制系统的设计 .296.1冷却系统的分析.306.2冷却水路的结构形式.307、注射机参数的校核 .318、模具的工作原理及特点328.1 模具的工作原理 328.2 模具的特点 34设计小结 34参考文献.35 1、产品技术要求及工艺分析1.1 产品技术要求1.1.1 产品设计图塑件名称：盖套件（如图 二维图、三维图）二维图：由CAD绘图软件绘制如图1-1。 图1-1 三维图：根据塑件的二维图绘制出了塑件的三维实体模型，便于对塑件更直观的掌握。三维实体模型由UG绘图软件绘制如图1-2。 图1-21.
