注射模具常識

2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page12002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page2引言引言注射模具类型及动作原理注射模具类型及动作原理注射模具结构注射模具结构注射模具设计一般流程注射模具设计一般流程2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page4能得到最佳品质产品的因素最佳品质最佳品质的产品的产品合适塑料最佳成型条件最佳模具设计最佳产品设计2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page5注射模具的目的v 赋予高分子塑胶产品所需的尺寸、形状，保持熔胶于模穴中以完成保压、冷却固化乃至顶出。2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen注射模具类型及动作原理2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page7注射模具类型v 两板模(Two-Plate Molds)v 三板模(Three-Plate Molds)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page8标准两板模结构爆炸模式母模板固定侧安装板模脚支撑板上顶出板 下顶出板导柱回位销公模板可动侧安装板2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page9两板模动作原理注射口固定侧可动侧充填、保压、冷却完毕2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page10两板模动作原理分模线开模2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page11两板模动作原理顶出产品2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page12两板模动作原理产品与模具分离成型产品2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page13两板模动作原理合模（下一循环）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page14两板模动作原理合模完毕，准备注射2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page15标准三板模结构爆炸模式剥料板固定侧安装板模脚支撑板上顶出板 下顶出板导柱公模板可动侧安装板母模板2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page16三板模动作原理注射口固定侧可动侧充填、保压、冷却完毕2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page17三板模动作原理开模，先从分模线1处打开主导柱分模线12002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page18三板模动作原理继续开模，再从分模线2处打开分模线 1分模线 22002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page19三板模动作原理顶出产品分模线 1分模线 22002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page20三板模动作原理产品与模具分离同时，从分模线3处打开并脱落浇道分模线 1分模线 2分模线 3成型产品浇道废料2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page21三板模动作原理合模1（下一循环）分模线 1分模线 2分模线 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page22三板模动作原理合模2（下一循环）分模线 1分模线 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page23三板模动作原理合模3（下一循环）分模线 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page24三板模动作原理合模4完毕，准备下一次注射2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page26定位环注道衬套固定侧安装板 母模板 导柱衬套 导柱公模仁公模板支撑板回位销模脚上顶出板下顶出板可动侧安装板 顶针2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page272002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page28模座模座公模侧（可动侧）母模侧（固定侧）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page29成型机构成品滑块斜销滑块模仁模仁入子2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page30液压侧抽芯机构产品产品公模入子公模入子型芯孔型芯孔公模公模液压缸液压缸母模母模2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page31油压缸两段抽芯机构注射模具结构2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page32公模跑滑块机构2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page33母模跑滑块机构注口襯套 小拉桿公模仁彈簧導套大拉桿錐度母模仁定位環滑塊開閉器固定塊公模板上固定板母模板耐磨板撥桿2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page34母模跑大斜销机构注射模具结构2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page35浇注系统浇口浇口一级横浇道二级横浇道竖浇道（注道）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page36注道及注道衬套冷注道衬套注道衬套(内带气管)加热带气管热注道衬套Sprue螺旋电热丝热栓2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page37流道Runner塑料流体从流道的中心熔融部分通过塑料与冷的模壁接触，在流道表面形成凝固层圆形(流道效率最高)梯形方形半圆形(流道效率最低)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page38不平衡流道布置2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page39自然平衡流道布置2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page40人工平衡流道布置2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page41注道拉料销Sprue Puller反锥度(最好)Z形(好)凹槽(顶出时有些麻烦)吸入销(不推荐)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page42三板模流道拉料销限制性拉料销常用拉料销2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page43冷料井塑料流体冷料井Cold Slug Well冷料井2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page44浇口Gate 手动剪除型浇口Edge/Standard Gate 边门标准浇口Tab Gate 翼状耳式凸片浇口Direct/Sprue Gate 直接竖流道浇口Overlap Gate 重叠搭接浇口 Fan Gate 扇形浇口Disk/Diaphragm Gate 圆盘浇口Ring Gate 环形浇口Spoke/Spider Gate 轮辐浇口Film/Flash Gate 膜片浇口 自动剪除型浇口Submarine/Tunnel/Chisel Gate 潜伏隧道浇口Pin Gate 针点浇口Cashew Gate 牛角式香蕉形浇口Hot-Runner/Hot-Probe Gate 热浇道浇口Valve Gate 阀浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page45v 最常用的手工剪除的浇口v 一般厚度为产品壁厚的50%到75%v 可以是等厚度或锥形厚度Edge Gate边门浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page46v 与边门浇口相似v 与产品相接的浇口部分变为翼状v 用来降低产品里的剪切应力 以翼状减缓应力GateTabTab Gate翼状浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page47v 注道直接连到产品上v 其大小由注道的大小决定v 留有大而明显的浇口痕迹Sprue Gate直接浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page48v 浇口搭接直接连到产品上v 厚度与宽度设计与边门浇口相似v 可减缓流动，防止喷流发生Overlap Gate搭接浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page49v 很宽的边门浇口v 可获得一个平缓的流动波前来进入产品（平衡流动）Fan Gate扇形浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page50v 以圆盘浇口作为圆柱状产品的内径v 通常有一段薄的区域与产品相连Gate LandDiaphragm Gate圆盘浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page51v 象一个圆盘浇口但位于产品的外侧v 不推荐使用 很难得到均一的流动Ring Gate环形浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page52v 也叫四点浇口或十字浇口v 置于圆柱状产品内部v 较省料，但缝合线明显Spoke Gate轮辐浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page53v 与环状浇口和扇形浇口相似v 设计来获得一个平缓的流动波前进入产品其实难以获得v 不推荐使用Flash Gate膜片浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page54v 在分模线下与产品相交的圆锥状浇口v 很常用v 一般小端直径为相接产品厚度的25%到75%Parting LineSubmarine Gate潜伏/隧道浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page55Pin Gate针点浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page56v 弯曲状的隧道浇口v 很难加工 v 可能存在维护问题Cashew Gate牛角式浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page57v 直接传送热熔塑料到模穴中v 浇口形式和大小依赖于热浇道的形式v 入口尺寸很关键浇口可依热浇道的形式和用法而变宽流体通道Hot drop热浇道浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page58v 与一般热浇道浇口相似，但浇口入口以一根阀针来控制其开闭v 在循环周期中阀针可能开闭好几次Valve pinValve Gate阀浇口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page59阀浇口开闭过程1注射开始2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page60阀浇口开闭过程2A穴填满， A阀针关闭2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page61阀浇口开闭过程3B穴填满， B阀针关闭2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page62典型的冷却系统2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page63冷却水路类型并联水路串联水路2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page64冷却水路种类1直线式圆管直线式方管2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page65冷却水路种类2挡板(Baffle)喷泉(Bubbler)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page66冷却水路种类3环型圆管吸热管(Thermal Pin)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page67顶出机构彈簧支撐柱停止銷上頂出板頂出導杆回位杆公模仁公模板下頂出板下固定板拉回機構頂針頂管螺釘螺釘回位杆螺钉弹簧拉回机构停止销公模仁公模板支撑柱顶出导杆上顶出板下顶出板下固定板螺钉顶针顶管2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page68常见顶出方式在很深的Ribs处使用方销在PINS & BOSSES周围可使用圆顶针顶管Boss顶出顶针产品顶板平稳力量顶出顶杆此种顶出方式对圆型产品很适合2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page69排气结构（排气槽）Parting PlaneGateVent2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page70排气结构（顶针间隙）在顶针周围挖间隙Ejector Pin2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen注射模具设计一般流程2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page72注射模具设计一般流程