模具设计非机械类.ppt

第三章注 塑 成 型 模 具Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.目的与要求：重点和难点：1.了解注射模结构组成；2.按结构特征进行分类的几种结构组成、工作原理模具的结构组成问题： 1.塑料模具的分类形式？ 2.注射的工艺流程是什么？第一节 概述Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型 一、注射模的结构组成注射模动模 定模 Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.注射成型时注射模具安装在注射机的动模板和定模板 上，由锁模装置合模并锁紧，塑料在料筒内加热呈熔融状 态，由注射装置将塑料熔体注入型腔内，塑料制品固化冷 却后由锁模装置开模，并由推出装置将制件推出。

Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型 一、注射模的结构组成根据各零件所起作用细分型腔浇注系统导向机构推出机构冷却与加热装置排气系统支承与紧固零件分型与抽芯机构Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型 一、注射模的结构组成Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型特种模具普通模具二板一开式结构模具三板二开式结构模具一模单腔 一模多腔 一模单腔一模多腔滑动型芯模具（斜导柱侧抽芯）瓣合式模具（HALF——哈夫模）螺纹模具滑动型芯与哈夫模块相结合模具其它模具二、注射模的类型Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型单分型面注射模双分型面注射模带活动镶件注射模侧向分型抽芯注射模自动卸螺纹注射模定模推出机构注射模热流道注射模二、注射模的类型Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型 1.单分型面注射模二、注射模的类型Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型2.双分型面注射模二、注射模的类型也称三板式注射模，中间增加了一个可移动的流道板。

Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型3.带活动镶件注射模二、注射模的类型模具上设有活动的型芯、螺纹型芯或HALF块Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型4.侧向分型抽芯注射模二、注射模的类型成型带侧孔或侧凹的塑件Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型5.自动卸螺纹注射模二、注射模的类型成型带有内螺纹或外螺纹的塑件，为了能自动卸螺纹在模具内设有能转动的螺纹型芯或螺纹型环。

动画二动画一Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型6.定模推出机构注射模二、注射模的类型由于塑件结构特殊需求在定模设推出机构Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型7.热流道注射模二、注射模的类型成型后只有 塑件冷却而 浇注系统不 冷却，只取 出塑件，浇 注系统仍留 在模具上。

Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.§3.1注射模的结构组成与类型 三、典型结构的组成与组合侧面分型模板结构二板式 三板式成型零件流道、浇口推出机构整体式、镶拼式 单型腔、多型腔直接浇口 侧浇口、点浇口、潜伏式浇口 热流道推管、推杆、推板、气压推出滑动型芯、哈夫模 活动镶件、旋转脱模 强制脱模注射模典型结构组成分类Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.注射模具的基本種類标标准模具推板模具滑块块模具示 意 图主 要 部 件锁板模SS 顶出系统 型腔 主流道 锁板模DS锁板模SS 顶出板 型腔 主流道 锁模板DS 顶出系统 斜导柱 型腔 滑块 主流道特 性最简单模具，两半 模，一个分型面， 一个开模方向，脱 模靠重力，顶出杆 或顶管。

结构类似于标准 模具、但由推板 顶出结构类似于标准模具但 增设了斜导柱和滑块， 以增加侧向运动塑 件可成型不带侧凹凸 的所有塑件可成型不带外侧 凹凸的杯状塑件可成型带侧凹凸及外螺 纹。