计算器面板注塑模具设计说明书

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摘要

根据塑料学生用计算器面板塑件的要求，了解塑件的用途，分析塑件的工艺

性、尺寸精度等技术要求，选择塑件制件尺寸。本模具采用一模两腔，侧浇口进

料，注射机采用海天160X2C型号，设置冷却系统，CAD和PROE绘制二维总装图和

零件图，选择模具合理的加工方法。附上说明书，系统地运用简要的文字，简明

的示意图和和计算等分析塑件，从而作出合理的模具设计。

关键词：学生用计算器面板；一模两腔；侧浇口进料；注射机；冷却系统

II
Abstract
A c c o r d i n g   t o   t h e   r e q u i r e m e n t s   o f   p l a s t i c   p a r t s   f o r   p l a s t i c   s t u d e n t s ,   t h e   u s e   o f
plastic parts is understood and the technical requirements of the plastic parts, such as
the technological and dimensional precision are analyzed, and the size of the parts of
the plastic part s is selected. This mold adopts the first mock exam two cavity, side
gate, injection machine adopts the Haitian 160X2C model, set cooling system, CAD
a n d   P R O E   d r a w i n g   t w o - d i m e n s i o n a l   a s s e m b l y   a n d   p a r t s   d r a w i n g ,   c h o o s e   t h e
reasonable processing method of mould. A brief description, concise illustration and
c a l c u l a t i o n   a r e   u s e d   t o   a n a l y z e   t h e   p l a s t i c   p a r t s ,   s o   a s   t o   m a k e   r e a s o n a b l e   m o l d
design.
Key words: students with a calculator panel; the first mock exam two cavity; side 
gate feeding; injection machine; cooling system
目    录
摘   要.........................................................................................................................I
Abstract........................................................................................................................i
第1章  绪论................................................................................................................4
1.1 塑料简介........................................................................................................................4
1.2 注塑成型及注塑模.........................................................................................................4
第2章  塑料材料分析................................................................................................7
2．1  塑料材料的基本特性.................................................................................................7
2．2  塑件材料成型性能.....................................................................................................7
2．3  塑件材料主要用途.....................................................................................................8
第3章  塑件的工艺分析............................................................................................9
3．1  塑件的结构设计.........................................................................................................9
3．2  塑件尺寸及精度.......................................................................................................10
3．3  塑件表面粗糙度.......................................................................................................11
3．4  塑件的体积和质量...................................................................................................11
第4章  注射成型工艺方案......................................................................................12
4．1注射成型工艺过程分析[5]...........................................................................................12
4．2   浇口种类的确定.....................................................................................................13

III
4．3  型腔数目的确定.......................................................................................................13
4．4   注射机的选择和校核.............................................................................................13
4.4.1  注射量的校核.................................................................................................14
4.4.2  塑件在分型面上的投影面积与锁模力的校核.............................................14
4．4．3模具与注射机安装模具部分相关尺寸校核.................................................15
第5章  注射模具结构设计......................................................................................17
5．1  分型面的设计..........................................................................................................17
5．2  型腔的布局..............................................................................................................18
5．3  浇注系统的设计.......................................................................................................18
5．3．1  浇注系统组成.............................................................................................18
5．3．2  确定浇注系统的原则.................................................................................19
5．3．3  主流道的设计.............................................................................................19
5．3．4  分流道的设计.............................................................................................21
5．3．5  浇口的设计.................................................................................................22
5．3．6  冷料穴的设计.............................................................................................22
5．4  注射模成型零部件的设计[7]...................................................................................22
5．4．1  成型零部件结构设计.................................................................................23
5．4．2  成型零部件工作尺寸的计算.....................................................................25
5．5  排气结构设计..........................................................................................................25
5.5.1 型腔宽度尺寸的计算..........................................................................................26
5.5.2 型腔长度尺寸的计算..........................................................................................26
5.5.3 型腔高度尺寸的计算..........................................................................................27
5.5.4 型芯宽度尺寸的计算..........................................................................................27
5.5.5 型芯长度的计算..................................................................................................27
5.5.6 型芯高度尺寸的计算..........................................................................................27
5．6  脱模机构的设计.......................................................................................................27
5．6．1  脱模机构的选用原则.................................................................................28
5．6．2  脱模机构类型的选择.................................................................................28
5．6．3  推杆机构具体设计.....................................................................................28
5．7  注射模温度调节系统...............................................................................................29
5．7．1  温度调节对塑件质量的影响.....................................................................30
5．7．2   冷却系统之设计规则..................................................................................30
5．8  模架的选用..............................................................................................................31
第6章  模具材料的选用............................................................................................34
6．1  成型零件材料选用...................................................................................................34
6．2  注射模用钢种..........................................................................................................34
总结............................................................................................................................35
模具总装图................................................................................................................36
致谢............................................................................................................................37
参考文献....................................................................................................................38

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摘要：

I摘要根据塑料学生用计算器面板塑件的要求，了解塑件的用途，分析塑件的工艺性、尺寸精度等技术要求，选择塑件制件尺寸。本模具采用一模两腔，侧浇口进料，注射机采用海天160X2C型号，设置冷却系统，CAD和PROE绘制二维总装图和零件图，选择模具合理的加工方法。附上说明书，系统地运用简要的文字，简明的示意图和和计算等分析塑件，从而作出合理的模具设计。关键词：学生用计算器面板；一模两腔；侧浇口进料；注射机；冷却系统IIAbstractAccordingtotherequirementsofplasticpartsforplasticstudents,theuseofplasticpartsisunde...

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