机械5

空调外机铜头盖板的注塑模具设计 摘要 根据塑料空调外机铜头盖板制品的要求，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。本模具采用一模二件，侧浇口进料，注射机采用海天200XB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。 模具设计与制造专业的培养目标是：培养德、智、体、美等方面全面发展，具有良好的职业素质，面向制造行业，从事模具设计、模具加工工艺编制、冲压和塑料成型加工、数控机床的操作以及生产管理等工作的高等技术应用性专门人才。体现为制造方面达到模具制造的补师水平，设计方面达到助理设计师的水平 关键词：空调外机铜头盖板；侧浇口进料；注射机；冷却系统，注塑模具 Abstract Accordi
ng to the requireme
nts of copper head a
nd cover plate products of plastic air co
nditio
ner, u
ndersta
nd the use of plastic parts, a
nalyze the tech
nological requireme
nts of plastic parts, dime
nsio
nal accuracy a
nd other tech
nical requireme
nts, select the size of plastic parts. This mold adopts o
ne mold a
nd two pieces, the side gate feed, the i
njectio
n machi
ne adopts Haitia
n 200XB model, sets the cooli
ng system, CAD a
nd UG draw two-dime
nsio
nal assembly drawi
ngs a
nd parts drawi
ng, a
nd selects the reaso
nable processi
ng method of the mould. Attached are i
nstructio
ns for the systematic use of brief text, co
ncise sketches a
nd calculatio
ns to a
nalyze the plastic parts, so as to make a reaso
nable i
njectio
n mold desig
n. The trai
ni
ng goal of mold desig
n a
nd ma
nufacturi
ng specialty is to cultivate all-rou
nd developme
nt of morality, i
ntellige
nce, physique a
nd beauty,with good professio
nal quality, a
nd to apply adva
nced tech
nology i
n mold desig
n, mold processi
ng tech
nology preparatio
n, stampi
ng a
nd plastic formi
ng processi
ng, CNC machi
ne tool operatio
n a
nd productio
n ma
nageme
nt, etc. for ma
nufacturi
ng i
ndustry. Professio
nal tale
nts. It reflects that the ma
nufacturi
ng level reaches the tutor level of mold ma
nufacturi
ng a
nd the desig
n level reaches the assista
nt desig
ner level. Keywords: copper head cover plate of air co
nditio
ner; side gate feed; i
njectio
n machi
ne; cooli
ng system, i
njectio
n mold 目录 摘要I Abstract II 第1章绪论- 1- 1.1塑料简介- 1- 1.2注塑成型及注塑模- 1- 第2章塑料材料分析- 3- 第3章塑件的工艺分析- 4- 3．1塑件的结构设计- 4- 3．2塑件尺寸及精度- 5- 3．3塑件表面粗糙度- 6- 3．4塑件的体积和质量- 6- 第4章注射成型工艺方案及结构的分析和确定- 7- 4．1注射成型工艺过程分析[5]- 7- 4．2浇口种类的确定- 7- 4．3型腔数目的确定- 8- 4．4注射机的选择和校核- 8- 4.4.1注射量的校核- 9- 4.4.2塑件在分型面上的投影面积与锁模力的校核- 9- 4．4．3、模具与注射机安装模具部分相关尺寸校核- 9- 第5章注射模具结构设计- 11- 5．1分型面的设计- 11- 5．2型腔的布局- 11- 5．3浇注系统的设计- 12- 5．3．1浇注系统组成- 12- 5．3．2确定浇注系统的原则- 12- 5．3．3主流道的设计- 13- 5．3．4分流道的设计- 14- 5．3．5浇口的设计- 15- 5．3．6冷料穴的设计- 15- 5．4注射模成型零部件的设计[7]- 16- 5．4．1成型零部件结构设计- 16- 5．4．2成型零部件工作尺寸的计算- 17- 5．5排气结构设计- 18- 5．6脱模机构的设计- 18- 5．6．1脱模机构的选用原则- 18- 5．6．2脱模机构类型的选择- 18- 5．6．3推杆机构具体设计- 18- 5．7注射模温度调节系统- 19- 5．7．1温度调节对塑件质量的影响- 19- 5．7．2冷却系统之设计规则- 20- 5．8模架的选用- 20- 第6章模具材料的选用- 22- 6．1成型零件材料选用- 22- 6．2注射模用钢种- 22- 总结- 23- 致谢- 25- 参考文献- 26-