斜齿轮注射成型模具设计-塑料注塑模

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斜齿轮注射成型模具设计

摘要

根据塑料斜齿轮制品的要求，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80X1B型号，设置冷却系统，CAD和UG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，从而作出合理的注塑模具设计。

关键词：斜齿轮；一模两腔；侧浇口进料；注射机，冷却系统；注塑模具

Abstract

According to the requirements of plastic helical gear products,

understand the use of plastic parts, analyze the technical requirements of

plastic parts such as workmanship, dimensional accuracy, and select the

size of plastic parts. The mold uses one mold two cavity, th e s id e gate

f e e d , t h e i n j e c t i o n m a c h i n e a d o p t s t h e s e a s k y 8 0 X 1 B m o d e l , s e t s t h e

cooling system, CAD and UG draws the two-dimensional assembly

drawing and the part drawing, chooses the mold reasonable processing

method. Attached are instructions for the systematic use of brief text,

c o n c i s e s k e t c h e s a n d c a l c u l a t i o n s 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

make a reasonable injection mold design.

Key words: helical gear; one mold two cavity; side gate feed; injection

machine, cooling system; injection mold

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..........................................................................................................................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
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.............................................15
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.................................................................................18
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.................................................................................................21
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.................................................................................22
5．4．2  成型零部件工作尺寸的计算.....................................................................24
5．5  排气结构设计..........................................................................................................25
5.5.1 凹模宽度尺寸的计算.......................................................................................25
5.5.2 凹模长度尺寸的计算.......................................................................................26
5.5.3 凹模高度尺寸的计算.......................................................................................26
5.5.4 凸模宽度尺寸的计算.......................................................................................26
5.5.5 凸模长度的计算...............................................................................................26
5.5.6凸模高度尺寸的计算.........................................................................................26
5．6  脱模机构的设计.......................................................................................................26
5．6．1  脱模机构的选用原则.................................................................................26
5．6．2  脱模机构类型的选择.................................................................................27
5．6．3  推杆机构具体设计.....................................................................................27
ii

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摘要：

斜齿轮注射成型模具设计摘要根据塑料斜齿轮制品的要求，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80X1B型号，设置冷却系统，CAD和UG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，从而作出合理的注塑模具设计。关键词：斜齿轮；一模两腔；侧浇口进料；注射机，冷却系统；注塑模具IAbstractAccordingtotherequirementsofplastichelicalgearproducts,understandtheuseofplasticpa...

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