摘要

酒瓶内盖塑料模具设计是此次毕业设计的课题。

本设计按照工艺成型的各方面指标，在原有材料器件的基础上简略讲述了其成型注塑模具的构造，系统的讲述了模具设计的各个要点及其工作流程。

该产品采用PE塑料进行注塑成型,塑件尺寸较小，成型方式为一模四腔。 在本次毕业设计的整个过程中，最基础也最重要的是模具参数的计算，其过程大致为:在翻阅和借鉴此类塑料成型书籍的前提下，首先粗略的计算出模具的各个参数，然后在导师的指导下不断的计算与修改，最后完善计算结果。

关键词：酒瓶内盖；一模四腔；注塑成型

ABSTRACT

This paper is a wine bottle cover plastic mold design.

This product adopts PE plastic injection molding, molding method for a mold four cavity. This design according to the product characteristics of material and

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structure of products, the technology is analyzed, the reasonable selection ofinjection molding process parameters, determining the overall structure of the required mould and some of the necessary size calculation and strength check in addition, this paper also parting surface, gating system, demoulding mechanism,forming components and temperature regulation system the analysis and design,the final completion of the product 3D modeling and 2D part drawing and assembly drawing, and the processing procedure.

Keywords: The bottle cover A mold four cavity Injection molding

目录

第一章 前言 ................................................................................................................................ 1 第二章 塑件工艺性分析 ..................................................................................................... 2

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2.1 产品技术要求 .................................................. 2 2.2 塑件工艺分析 .................................................. 3 2.3 塑件的精度、尺寸分析 .......................................... 3

第三章 注塑模的设计 ........................................................................................................... 5

3.1 注塑机与注塑膜的关系 ................................................................................................ 5

3.1.1 注塑机的选用 ............................................ 5 3.1.2 型腔数目的确定 .......................................... 5 3.1.3 最大注射量的校核 ........................................ 6 3.1.4 锁模力的校核 ............................................ 6 3.1.5 注射压力的校核 .......................................... 6 3.1.6 开模行程的校核 .......................................... 6 3.2 分型面的设计 .................................................................................................................. 7

3.2.2 分型面设计 .......................................................................................................... 7 3.3 浇注系统与排溢系统的设计 ....................................................................................... 7

3.3.1 浇注系统的设计 .......................................... 7 3.3.2 浇注系统的平衡 .......................................... 8 3.3.3 排溢系统的设计 .......................................... 8 3.4 成型零件的设计 ............................................................................................................. 8

3.4.1 型腔的结构设计 ....................................................................................................... 8 3.4.2 型腔的尺寸计算 ....................................................................................................... 9 3.4.3 型芯的结构设计 ....................................................................................................... 9 3.4.4 型芯的尺寸计算 ....................................................................................................... 9

3.5 合模导向机构的设计 .................................................................................................. 10

3.5.1 导柱的设计 ............................................. 10 3.5.2 导套的设计 ............................................. 11 3.5.3 斜导柱的设计 ........................................... 11 3.6 推出机构的设计 ........................................................................................................... 11

3.6.1 脱模力的计算 ........................................... 11 3.6.2 推杆的设计 ............................................. 12 3.6.3 推件板厚度的计算 ....................................... 12 3.7 温度调节系统的设计 .................................................................................................. 12

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