塑胶模具设计与制造基础知识The basic knowledge about plastic mold design and manufacture

1、塑膠模具設計與制造基礎知識塑膠模具設計與制造基礎知識The basic knowledge about plastic mold design and manufacture Dragon Lee Aug.10.11塑塑膠模具設計與制造基礎知識膠模具設計與制造基礎知識The basic knowledge about plastic mold design and manufacture 2.1. 澆注系統 Filling system 2.2. 成型&抽芯機構. Shaping & Core-pulling mechanical 2.3. 頂出及回位裝置. Ejector a

2、nd Return device 2.4 冷卻系統 Cooling systemRail压板Date Code日期章Sprue Bushing浇口套Locating Ring 定位环 Leader Pin 导柱垫圈Shoulder Guide Bush导套Cavity Support Plate定模座板母模座板Cavity Plate定模模板母模模板Core Plate动模模板公模模板Jiffy Tyte Plug中转接头Support Block支撑块Ejector Retainer Plate 推杆固定板 Ejector Plate 推板 Core Support Plate动模座板 Sp

3、ring弹簧 Support Pillar支撑柱Straight Ejector Pin直推杆Support Plate 支撑板止动螺栓 ?流道模板 ?螺栓拉杆 ?推管?中心销Dowel pin中心销Dowel pin台阶推杆?推板导管?锁模器组件?Leader Pin 导柱Sprue Bushing浇口套Locating Ring 定位环 Cavity Support Plate定模座板母模座板Cavity Plate定模模板母模模板Core Plate动模模板公模模板Support Plate 支撑板Sprue Lock Pin拉料杆Core Support Plate动模座板 Core

4、Support Plate动模座板 Straight Ejector Pin直推杆Ejector Plate 推板 Shoulder Guide Bush导套 模具結构主要有以下四部分組成 The mold compose of below four parts 2.1. 澆注系統 Filling system 2.2. 成型&抽芯機構. Shaping & Core-pulling mechanical 2.3. 頂出及回位裝置. Ejector and Return device 2.4 冷卻系統 Cooling system2.1. 澆注系統介绍 Filling Syst

5、em Introduction 2.1.1)水口 Gate 2.2.2)主流道 Sprue2.13)主分流道 Main runner2.1.4)分流道 Runner2.1.5)冷料穴 Cold slug well 1)水口 Gate2)主流道 Sprue3)主分流道 Main runner4)分流道 Main runner5)冷料穴 Cold slug well 7)爪式澆口2.1. 澆注系統介绍 Filling System Introduction2.1.1水口 Gate Type 1)直接澆口 Sprue gate 3)側澆口-1 Slide gate2)點澆口 Pin-point ga

6、te6)潛伏澆口 Sub-gate 5)側澆口-2 Slide gate 4)重叠浇口 Slide gate Z 形Z shape反锥形Taper倒圆形Circular 2.1. 澆注系統介绍 Filling System Introduction2.1.5冷料穴 Cold slug well2.2. 成型&抽芯机构. Shaping & Core-pulling mechanical 2.2.1成型机构分型面的类型 The type of P.L of shaping mechanical 1)平面分型 Plane P.L 2)斜面分型 Slant P.L. 3)曲面分型 S

7、urface P.L2.2.2抽芯机构 Core-pulling mechanical 2.2. 成型&抽芯機構. Shaping & Core-pulling mechanical Plane P.L Slant P.L Surface P.L It is vertical between P.l and mold movement direction .Extend up to P.L This type of P.L cant be done.There tow flat for location.The flat is from extension of surface

8、 of products finish.2.2.1成型机构分型面的类型 The type of P.L of shaping mechanical 斜銷行程大於扣位斜銷行程大於扣位1到到2mmThe travel of oblique pin must exceed buckle bit 1-2 mm. 斜銷抽芯斜銷抽芯Oblique Pin滑塊抽芯Slid Core-Pulling2.2. 2抽芯機構. Core-pulling mechanical 2.2. 成型&抽芯机构. Shaping & Core-pulling mechanical 2.3. 頂出及回位裝置. E

9、jector and Return device2.3.1顶出装置 Ejector device 1)顶杆顶出 Ejector Pin 2)顶管顶出机构 Ejector 3)顶板顶出机构 Ejector Plate 4)顶块顶出机构 Ejector Block 5)二次定出机构2.3.2回位装置 Return Device 1)复位回程 Reset Return 2)顶杆兼回程杆回程 Ejector Pin Return 3)弹簧回程 Spring Return 4)强回机构 Force Return Device 2.3. 頂出及回位裝置. Ejector and Return device

10、2.3.1顶出装置 Ejector device 图1 顶杆顶出机(Ejector Pin)1-动模座板（Core Support Plate)2-顶板(Ejector Plate)3-顶杆(Ejector Pin)4-回程杆(Push Back Pin) 图2-36 常用顶杆的形式 5-动模型板(Core Plate)6-固定板(Ejector Retainer Plate) General Ejector Pin Style2).顶管顶出机构 Ejector Pole3).顶板顶出机构 Ejector Plate1)顶杆顶出机Ejector Pin图2-44 顶块顶出机构1-推杆(Ejec

11、tor Pin)；2-支撑板Support Plate；3-型芯固定板Core Plate；4-型芯Core；5-推块Ejector block；6-复位杆 2.3. 頂出及回位裝置. Ejector and Return device2.3.1顶出装置 Ejector device 4)顶块顶出机构 Ejector Block 2.3. 頂出及回位裝置. Ejector and Return device2.3.1顶出装置 Ejector device 2.3. 頂出及回位裝置. Ejector and Return device2.3.2回位裝置 Return device一般為水孔邊距型腔表面為1015mm2.4 冷卻系統 Cooling system并联Parallel串联ConcatenationThe temperature difference of cooling water between effuse and influx is under 5 degree. Buffle Water ColumnCooling TubeCooling water pole diameter注塑缺陷Flash 飞边 Warpage 翘曲 Air Trap 积风 Blush 发赤 Flow Line 流