6028电热水壶手柄注塑模模具设计

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题目： 电热水壶手柄注塑模模具设计

学 院： XXX 姓 名： XXX 学 号： XXX 专 业： XX 年 级： XXX 指导教师： XXX

XXXX 年 X 月

摘要

本设计为电热水壶手柄注塑模模具设计，电热水壶手柄采用ABS材料，用

注塑机注塑成型。在模具设计中采用嵌入式凹模,组合式凸模，侧浇注口，塑件的外表面为模具分型面，注塑经过充模、压实、保压、倒流和冷却五个阶段。注塑完成后动,定模座分开,动模后移到指定位置，推杆推出塑件，复位杆复位好既完成一次注塑。在设计过程中采用CAD/CAM,UG,等设计软件。

关键词: CAD/CAM, 塑料，注射模，注射机。

Abstract:

The design of injection mold die design for the card case, card

case with polypropylene (ABS) materials, used injection molding machine injection molding. Embedded in the mold die design, combined punch, direct casting port, outer surface of plastic parts for the mold parting line, injection molding after filling, compaction, packing, and cooling back five stages. Injection completed action, scheduled to die seat separately, the dynamic model specified location after the move, putting plastic pieces launched, the reset lever reset the completion of an injection well only. Used in the design process CAD / CAM, PRO / E, and other design software.

Key Words: CAD/CAM, Plastic, Plastic injection mold, Plastic injection

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目 录

1 绪论............................................................................................................................ 1 1.1 塑料注射模具简介 ............................................................................................ 1 1.2 我国塑料注射模具现状 .................................................................................... 1 2.3.1注射成型过程 ................................................................................................. 3

2.3.2注塑工艺参数 ........................................................................................................ 3 3 拟定模具的结构形式................................................................................................ 5 3.1 分型面位置的确定 ............................................................................................ 5 3.2 型腔数量和排列方式的确定 ............................................................................ 5 3.3 注射机型号的确定 ............................................................................................ 5 3.3.1 注射量的计算 ....................................................................................................... 5 3.3.2 浇注系统凝料体积的初步估算 ........................................................................... 5 3.3.3 选择注塑机 ........................................................................................................... 5 3.3.4 注塑机的相关参数的校核 ................................................................................... 6 4 浇注系统的设计........................................................................................................ 7 4.1 主流道的设计 .................................................................................................... 7

4.1.1 主流道尺寸 ........................................................................................................... 7 4.1.2 主流道的凝料体积 ............................................................................................... 7 4.1.3 主流道当量半径 ................................................................................................... 7 4.1.4 主流道浇口套的形式 ........................................................................................... 8 4.2 浇口的设计 ........................................................................................................ 8 4.3 校核主流道的剪切速率 .................................................................................... 8 4.3.1 计算主流道的体积流量 ....................................................................................... 8 4.3.2 计算主流道的剪切速率 ....................................................................................... 8 4.4 冷料穴的设计 .................................................................................................... 8 5 成型零件的结构设计及计算.................................................................................... 9 5.1 成型零件的结构设计 ........................................................................................ 9 5.2 成型零件钢材的选用 ...................................................................................... 10 5.3 成型零件工作尺寸的计算 .............................................................................. 10

5.3.1 凹模宽度尺寸的计算 ......................................................................................... 10 5.3.2 凹模长度尺寸的计算 ......................................................................................... 10 5.3.3 凹模高度尺寸的计算 ......................................................................................... 10 5.3.4 凸模宽度尺寸的计算 ......................................................................................... 11 5.3.5 凸模长度的计算 ................................................................................................. 11 5.3.6凸模高度尺寸的计算 .......................................................................................... 11 5.4 成型零件尺寸及动模板厚度的计算 .............................................................. 11 5.4.1 凹模侧壁厚度的计算 ......................................................................................... 11 5.4.2 凹模底板厚度的计算 ......................................................................................... 11 5.4.3 动模厚度的计算 ................................................................................................. 12

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6.1 各模板尺寸的确定 .......................................................................................... 13 6.2 模架各尺寸的校核 .......................................................................................... 14 6.3 导向与定位结构的设计...................................................................................... 14 7 脱模推出机构的设计.............................................................................................. 15 7.1 脱模机构设计原则 .......................................................................................... 15 7.3 脱模力的计算 .................................................................................................. 15 7.4 推杆的直径计算及强度校核 .......................................................................... 16

7.4.1 推杆的直径计算 ................................................................................................. 16 7.4.2 强度校核 ............................................................................................................. 16 7.5 推出机构的复位 .............................................................................................. 16 8.1 冷却系统的设计原则 ...................................................................................... 18 8.2 冷却系统的简单计算 ...................................................................................... 19 所以取4根冷却水管.................................................................................................. 20

结论.............................................................................................................................. 21 参考文献...................................................................................................................... 22

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