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引言引言注射模具類型及動作原理注射模具類型及動作原理注射模具結(jié)構(gòu)注射模具結(jié)構(gòu)注射模具設(shè)計一般流程注射模具設(shè)計一般流程2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page4能得到最佳品質(zhì)產(chǎn)品的因素最佳品質(zhì)最佳品質(zhì)的產(chǎn)品的產(chǎn)品合適塑料最佳成型條件最佳模具設(shè)計最佳產(chǎn)品設(shè)計2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page5注射模具的目的v 賦予高分子塑膠產(chǎn)品所需的尺寸、形狀，保持熔膠于模穴中以完成保壓、冷卻固化乃至頂出。2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen注射模具類型及動作原理2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page7注射模具類型v 兩板模(Two-Plate Molds)v 三板模(Three-Plate Molds)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page8標(biāo)準(zhǔn)兩板模結(jié)構(gòu)爆炸模式母模板固定側(cè)安裝板模腳支撐板上頂出板 下頂出板導(dǎo)柱回位銷公模板可動側(cè)安裝板2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page9兩板模動作原理注射口固定側(cè)可動側(cè)充填、保壓、冷卻完畢2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page10兩板模動作原理分模線開模2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page11兩板模動作原理頂出產(chǎn)品2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page12兩板模動作原理產(chǎn)品與模具分離成型產(chǎn)品2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page13兩板模動作原理合模（下一循環(huán)）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page14兩板模動作原理合模完畢，準(zhǔn)備注射2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page15標(biāo)準(zhǔn)三板模結(jié)構(gòu)爆炸模式剝料板固定側(cè)安裝板模腳支撐板上頂出板 下頂出板導(dǎo)柱公模板可動側(cè)安裝板母模板2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page16三板模動作原理注射口固定側(cè)可動側(cè)充填、保壓、冷卻完畢2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page17三板模動作原理開模，先從分模線1處打開主導(dǎo)柱分模線12002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page18三板模動作原理繼續(xù)開模，再從分模線2處打開分模線 1分模線 22002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page19三板模動作原理頂出產(chǎn)品分模線 1分模線 22002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page20三板模動作原理產(chǎn)品與模具分離同時，從分模線3處打開并脫落澆道分模線 1分模線 2分模線 3成型產(chǎn)品澆道廢料2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page21三板模動作原理合模1（下一循環(huán)）分模線 1分模線 2分模線 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page22三板模動作原理合模2（下一循環(huán)）分模線 1分模線 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page23三板模動作原理合模3（下一循環(huán)）分模線 32002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page24三板模動作原理合模4完畢，準(zhǔn)備下一次注射2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page26定位環(huán)注道襯套固定側(cè)安裝板 母模板 導(dǎo)柱襯套 導(dǎo)柱公模仁公模板支撐板回位銷模腳上頂出板下頂出板可動側(cè)安裝板 頂針2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page272002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page28模座模座公模側(cè)（可動側(cè)）母模側(cè)（固定側(cè)）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page29成型機(jī)構(gòu)成品滑塊斜銷滑塊模仁模仁入子2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page30液壓側(cè)抽芯機(jī)構(gòu)產(chǎn)品產(chǎn)品公模入子公模入子型芯孔型芯孔公模公模液壓缸液壓缸母模母模2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page31油壓缸兩段抽芯機(jī)構(gòu)注射模具結(jié)構(gòu)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page32公模跑滑塊機(jī)構(gòu)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page33母模跑滑塊機(jī)構(gòu)注口襯套 小拉桿公模仁彈簧導(dǎo)套大拉桿錐度母模仁定位環(huán)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母模跑大斜銷機(jī)構(gòu)注射模具結(jié)構(gòu)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page35澆注系統(tǒng)澆口澆口一級橫澆道二級橫澆道豎澆道（注道）2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page36注道及注道襯套冷注道襯套注道襯套(內(nèi)帶氣管)加熱帶氣管熱注道襯套Sprue螺旋電熱絲熱栓2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page37流道Runner塑料流體從流道的中心熔融部分通過塑料與冷的模壁接觸，在流道表面形成凝固層圓形(流道效率最高)梯形方形半圓形(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注道拉料銷Sprue Puller反錐度(最好)Z形(好)凹槽(頂出時有些麻煩)吸入銷(不推薦)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page42三板模流道拉料銷限制性拉料銷常用拉料銷2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page43冷料井塑料流體冷料井Cold Slug Well冷料井2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page44澆口Gate 手動剪除型澆口Edge/Standard Gate 邊門標(biāo)準(zhǔn)澆口Tab Gate 翼狀耳式凸片澆口Direct/Sprue Gate 直接豎流道澆口Overlap Gate 重疊搭接澆口 Fan Gate 扇形澆口Disk/Diaphragm Gate 圓盤澆口Ring Gate 環(huán)形澆口Spoke/Spider Gate 輪輻澆口Film/Flash Gate 膜片澆口 自動剪除型澆口Submarine/Tunnel/Chisel Gate 潛伏隧道澆口Pin Gate 針點澆口Cashew Gate 牛角式香蕉形澆口Hot-Runner/Hot-Probe Gate 熱澆道澆口Valve Gate 閥澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page45v 最常用的手工剪除的澆口v 一般厚度為產(chǎn)品壁厚的50%到75%v 可以是等厚度或錐形厚度Edge Gate邊門澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page46v 與邊門澆口相似v 與產(chǎn)品相接的澆口部分變?yōu)橐頎顅 用來降低產(chǎn)品里的剪切應(yīng)力 以翼狀減緩應(yīng)力GateTabTab Gate翼狀澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page47v 注道直接連到產(chǎn)品上v 其大小由注道的大小決定v 留有大而明顯的澆口痕跡Sprue Gate直接澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page48v 澆口搭接直接連到產(chǎn)品上v 厚度與寬度設(shè)計與邊門澆口相似v 可減緩流動，防止噴流發(fā)生Overlap Gate搭接澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page49v 很寬的邊門澆口v 可獲得一個平緩的流動波前來進(jìn)入產(chǎn)品（平衡流動）Fan Gate扇形澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page50v 以圓盤澆口作為圓柱狀產(chǎn)品的內(nèi)徑v 通常有一段薄的區(qū)域與產(chǎn)品相連Gate LandDiaphragm Gate圓盤澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page51v 象一個圓盤澆口但位于產(chǎn)品的外側(cè)v 不推薦使用 很難得到均一的流動Ring Gate環(huán)形澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page52v 也叫四點澆口或十字澆口v 置于圓柱狀產(chǎn)品內(nèi)部v 較省料，但縫合線明顯Spoke Gate輪輻澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page53v 與環(huán)狀澆口和扇形澆口相似v 設(shè)計來獲得一個平緩的流動波前進(jìn)入產(chǎn)品其實難以獲得v 不推薦使用Flash Gate膜片澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page54v 在分模線下與產(chǎn)品相交的圓錐狀澆口v 很常用v 一般小端直徑為相接產(chǎn)品厚度的25%到75%Parting LineSubmarine Gate潛伏/隧道澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page55Pin Gate針點澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page56v 彎曲狀的隧道澆口v 很難加工 v 可能存在維護(hù)問題Cashew Gate牛角式澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page57v 直接傳送熱熔塑料到模穴中v 澆口形式和大小依賴于熱澆道的形式v 入口尺寸很關(guān)鍵澆口可依熱澆道的形式和用法而變寬流體通道Hot drop熱澆道澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page58v 與一般熱澆道澆口相似，但澆口入口以一根閥針來控制其開閉v 在循環(huán)周期中閥針可能開閉好幾次Valve pinValve Gate閥澆口2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page59閥澆口開閉過程1注射開始2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page60閥澆口開閉過程2A穴填滿， A閥針關(guān)閉2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page61閥澆口開閉過程3B穴填滿， B閥針關(guān)閉2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page62典型的冷卻系統(tǒng)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page63冷卻水路類型并聯(lián)水路串聯(lián)水路2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page64冷卻水路種類1直線式圓管直線式方管2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page65冷卻水路種類2擋板(Baffle)噴泉(Bubbler)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page66冷卻水路種類3環(huán)型圓管吸熱管(Thermal Pin)2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page67頂出機(jī)構(gòu)彈簧支撐柱停止銷上頂出板頂出導(dǎo)桿回位桿公模仁公模板下頂出板下固定板拉回機(jī)構(gòu)頂針頂管螺釘螺釘回位桿螺釘彈簧拉回機(jī)構(gòu)停止銷公模仁公模板支撐柱頂出導(dǎo)桿上頂出板下頂出板下固定板螺釘頂針頂管2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page68常見頂出方式在很深的Ribs處使用方銷在PINS & BOSSES周圍可使用圓頂針頂管Boss頂出頂針產(chǎn)品頂板平穩(wěn)力量頂出頂桿此種頂出方式對圓型產(chǎn)品很適合2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page69排氣結(jié)構(gòu)（排氣槽）Parting PlaneGateVent2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page70排氣結(jié)構(gòu)（頂針間隙）在頂針周圍挖間隙Ejector Pin2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen注射模具設(shè)計一般流程2002 Cradle Technology GroupTai Dao Computer Co.,Ltd./Arthur Chen2021-11-28Page72注射模具設(shè)計一般流程