注射模具常識(shí)

1、2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page12002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page2引言引言注射模具類(lèi)型及動(dòng)作原理注射模具類(lèi)型及動(dòng)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(jì)一般流程注射模具設(shè)計(jì)一般流程2002 cradle technology grouptai dao computer co.,ltd./arthur chen2002 cradle technol

2、ogy grouptai dao computer co.,ltd./arthur chen2021-11-2page4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(jì)最佳產(chǎn)品設(shè)計(jì)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page5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 ch

3、en注射模具類(lèi)型及動(dòng)作原理2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page7注射模具類(lèi)型v 兩板模(two-plate molds)v 三板模(three-plate molds)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page8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(xiāo)公模板可動(dòng)側(cè)安裝板2002 cradle technology groupt

4、ai dao computer co.,ltd./arthur chen2021-11-2page9兩板模動(dòng)作原理注射口固定側(cè)可動(dòng)側(cè)充填、保壓、冷卻完畢2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page10兩板模動(dòng)作原理分模線開(kāi)模2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page11兩板模動(dòng)作原理頂出產(chǎn)品2002 cradle technology grouptai dao compu

5、ter co.,ltd./arthur chen2021-11-2page12兩板模動(dòng)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 chen2021-11-2page13兩板模動(dòng)作原理合模（下一循環(huán)）2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page14兩板模動(dòng)作原理合模完畢，準(zhǔn)備注射2002 cradle technology grouptai dao computer co.,ltd

6、./arthur chen2021-11-2page15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(dòng)側(cè)安裝板母模板2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page16三板模動(dòng)作原理注射口固定側(cè)可動(dòng)側(cè)充填、保壓、冷卻完畢2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page17三板模動(dòng)作原理開(kāi)模，先從分模線1處打開(kāi)主導(dǎo)柱分模線12002 cradle

7、technology grouptai dao computer co.,ltd./arthur chen2021-11-2page18三板模動(dòng)作原理繼續(xù)開(kāi)模，再?gòu)姆帜＞€2處打開(kāi)分模線 1分模線 22002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page19三板模動(dòng)作原理頂出產(chǎn)品分模線 1分模線 22002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page20三板模動(dòng)作原理產(chǎn)品與模具分離同時(shí)，從分模

8、線3處打開(kāi)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 chen2021-11-2page21三板模動(dòng)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 chen2021-11-2page22三板模動(dòng)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.,l

9、td./arthur chen2021-11-2page23三板模動(dòng)作原理合模3（下一循環(huán)）分模線 32002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page24三板模動(dòng)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 chen2021-11-2page26定位環(huán)注

10、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(xiāo)模腳上頂出板下頂出板可動(dòng)側(cè)安裝板 頂針2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page272002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page28模座模座公模側(cè)（可動(dòng)側(cè)）母模側(cè)（固定側(cè)）2002 cradle technology grouptai dao computer co.,ltd./arthur chen202

11、1-11-2page29成型機(jī)構(gòu)成品滑塊斜銷(xiāo)滑塊模仁模仁入子2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page30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 chen2021-11-2page31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./ar

12、thur chen2021-11-2page32公模跑滑塊機(jī)構(gòu)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page33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(kāi)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 chen2021-11-2page34母模跑大斜銷(xiāo)機(jī)構(gòu)注射模具結(jié)構(gòu)2002 cradle technology grouptai dao com

13、puter co.,ltd./arthur chen2021-11-2page35澆注系統(tǒng)澆口澆口一級(jí)橫澆道二級(jí)橫澆道豎澆道（注道）2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page36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 chen2021-11-2page37流道runner塑料流體從流道的中心熔融部分通過(guò)塑料與冷的模

14、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 chen2021-11-2page38不平衡流道布置2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page39自然平衡流道布置2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page40人工平衡流道

15、布置2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page41注道拉料銷(xiāo)sprue puller反錐度(最好)z形(好)凹槽(頂出時(shí)有些麻煩)吸入銷(xiāo)(不推薦)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page42三板模流道拉料銷(xiāo)限制性拉料銷(xiāo)常用拉料銷(xiāo)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-1

16、1-2page43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 chen2021-11-2page44澆口gate 手動(dòng)剪除型澆口edge/standard gate 邊門(mén)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(pán)澆口ring gate 環(huán)形澆口spoke/spider gate 輪輻澆口film/flash

17、 gate 膜片澆口 自動(dòng)剪除型澆口submarine/tunnel/chisel gate 潛伏隧道澆口pin gate 針點(diǎn)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 chen2021-11-2page45v 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(mén)澆口2002 cradle technology grouptai

18、 dao computer co.,ltd./arthur chen2021-11-2page46v 與邊門(mén)澆口相似v 與產(chǎn)品相接的澆口部分變?yōu)橐頎顅 用來(lái)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 chen2021-11-2page47v 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./

19、arthur chen2021-11-2page48v 澆口搭接直接連到產(chǎn)品上v 厚度與寬度設(shè)計(jì)與邊門(mén)澆口相似v 可減緩流動(dòng)，防止噴流發(fā)生overlap gate搭接澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page49v 很寬的邊門(mén)澆口v 可獲得一個(gè)平緩的流動(dòng)波前來(lái)進(jìn)入產(chǎn)品（平衡流動(dòng)）fan gate扇形澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page50v 以圓盤(pán)澆口作為

20、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(pán)澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page51v 象一個(gè)圓盤(pán)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(dòng)ring gate環(huán)形澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page52v 也叫四點(diǎn)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

21、gate輪輻澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page53v 與環(huán)狀澆口和扇形澆口相似v 設(shè)計(jì)來(lái)獲得一個(gè)平緩的流動(dòng)波前進(jìn)入產(chǎn)品其實(shí)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 chen2021-11-2page54v 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 gat

22、e潛伏/隧道澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page55pin gate針點(diǎn)澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page56v 彎曲狀的隧道澆口v 很難加工 v 可能存在維護(hù)問(wèn)題cashew gate牛角式澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2pag

23、e57v 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 chen2021-11-2page58v 與一般熱澆道澆口相似，但澆口入口以一根閥針來(lái)控制其開(kāi)閉v 在循環(huán)周期中閥針可能開(kāi)閉好幾次valve pinvalve gate閥澆口2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2p

24、age59閥澆口開(kāi)閉過(guò)程1注射開(kāi)始2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page60閥澆口開(kāi)閉過(guò)程2a穴填滿， a閥針關(guān)閉2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page61閥澆口開(kāi)閉過(guò)程3b穴填滿， b閥針關(guān)閉2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page62典型的冷卻系統(tǒng)2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page63冷卻水路類(lèi)型并聯(lián)水路串聯(lián)水路2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page64冷卻水路種類(lèi)1直線式圓管直線式方管2002 cradle technology grouptai dao computer co.,ltd./arthur chen2021-11-2page65冷卻水路種類(lèi)2擋板(baffle)噴泉(bu