设计简介
摘要
本模具为波轮注射模，结构形状分布均匀，以整体式的零件进行浇注，叶片不规则，表面为洗衣工作面，加工有一定困难~波轮精度较高，选用单腔；以推杆为主推管为辅的联合脱模方式；采用点浇口浇注系统。采用最简单的外连接直通式冷却水道，冷却剂用水。
进行脱模力计算以及成型零部件工作尺寸计算。
关键词：注射机，脱模力，推杆
目 录
第一章 对塑件进行工艺分析·························1
1.1分析塑件使用材料的种类及其工艺性··········································1
1.2分析塑件结构工艺性························································1
第二章选择注射机确定型腔数························2
2.1根据塑件的形状估算其体积和重··············································2
2.2选择设备型号规格,确定型腔数················································2
2.2.1注射机额定注射量·····················································2
2.2.2根据塑件精度确定型腔数···············································3
2.2.3根据生产批量确定型腔数···············································3
第三章确定成型方案································5
3.1确定成型位置······························································5
3.2确定分型面································································5
3.3脱模方式··································································5
3.4浇注系统形成······························································5
3.5冷却系统和加热系统考虑····················································5
3.6确定成形零部件的结构形式··················································5
第四章绘制结构方案草图····························7
4.1注射量的校核······························································7
4.2锁模力与型腔内平均压力、注射压力的校核····································7
4.3模具厚度与注射机闭合高度校核··············································9
4.4注射机开模行程····························································9
第五章计算与说明·································10
5.1脱模力计算·······························································10
5.1.1计算公式································································10
5.2成型零部件工作尺寸计算···················································10
5.2.1定模、动模(型腔、型芯)选用材料··········································10
5.2.2型腔侧壁厚度和底版厚度确定··············································11
5.2.3型腔、型芯工作尺寸确定··················································12
5.3推杆计算·································································17
5.3.1推杆选用材料····························································17
5.3.2计算推杆长度····························································17
5.4进行关键零件的强度和刚度校核··············································18
5.4.1推杆的强度和刚度的校核·················································18
5.4.2型腔型腔壁厚和底板厚度校核·············································20
总结········································································21
致谢········································································22
参考文献····································································23
本模具为波轮注射模，结构形状分布均匀，以整体式的零件进行浇注，叶片不规则，表面为洗衣工作面，加工有一定困难~波轮精度较高，选用单腔；以推杆为主推管为辅的联合脱模方式；采用点浇口浇注系统。采用最简单的外连接直通式冷却水道，冷却剂用水。
进行脱模力计算以及成型零部件工作尺寸计算。
关键词：注射机，脱模力，推杆
目 录
第一章 对塑件进行工艺分析·························1
1.1分析塑件使用材料的种类及其工艺性··········································1
1.2分析塑件结构工艺性························································1
第二章选择注射机确定型腔数························2
2.1根据塑件的形状估算其体积和重··············································2
2.2选择设备型号规格,确定型腔数················································2
2.2.1注射机额定注射量·····················································2
2.2.2根据塑件精度确定型腔数···············································3
2.2.3根据生产批量确定型腔数···············································3
第三章确定成型方案································5
3.1确定成型位置······························································5
3.2确定分型面································································5
3.3脱模方式··································································5
3.4浇注系统形成······························································5
3.5冷却系统和加热系统考虑····················································5
3.6确定成形零部件的结构形式··················································5
第四章绘制结构方案草图····························7
4.1注射量的校核······························································7
4.2锁模力与型腔内平均压力、注射压力的校核····································7
4.3模具厚度与注射机闭合高度校核··············································9
4.4注射机开模行程····························································9
第五章计算与说明·································10
5.1脱模力计算·······························································10
5.1.1计算公式································································10
5.2成型零部件工作尺寸计算···················································10
5.2.1定模、动模(型腔、型芯)选用材料··········································10
5.2.2型腔侧壁厚度和底版厚度确定··············································11
5.2.3型腔、型芯工作尺寸确定··················································12
5.3推杆计算·································································17
5.3.1推杆选用材料····························································17
5.3.2计算推杆长度····························································17
5.4进行关键零件的强度和刚度校核··············································18
5.4.1推杆的强度和刚度的校核·················································18
5.4.2型腔型腔壁厚和底板厚度校核·············································20
总结········································································21
致谢········································································22
参考文献····································································23
