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1、摘要摘要 本设计是针对 Usb 接口的工艺及工装进行了分析和设计，Usb 接口的设计 具有尺寸精度要求高，制作难度较大，结构复杂等特点。模具设计中的级进模 具具有生产效率高,加工精度高等特点，被广泛应用于多方面的生产中。Usb 接 口的加工工艺要求符合级进模的特点，因此，本设计采用多工位级进模具。本 文就 Usb 接口的加工工艺进行了比较分析，确定了合理的加工工艺；就实际生 产状况，经过综合比较确定了模具结构，对模具的各个部分进行了必要的设计 分析；参考了相关模具设计资料，进行了必要的理论计算，以此使本设计更加 规范合理；在此基础上，就本设计中的模具进行了必须的经济效益分析。本课 题的任务就是
2、制定出合理的工艺方案和设计出一套精良的实用的冷冲压模具并 且符合生产纲领的要求。在设计中要充分讨论工艺方案的合理性与模具结构方 案的适用性。 关键词：级进模，Usb 接口,加工工艺 Abstract Abstract:This design was aims at the Usb connection the craft and the work clothes has carried on the analysis and the design, the Usb connection design has the size accuracy requirement to be high, t
3、he manufacture difficulty was big, structure complex and so on characteristics. In the mold designs level enters the mold to have the production efficiency to be high, the working accuracy higher characteristic, is widely applied in various production. The Usb connections processing technological re
4、quirement conforms to the level to enter molds characteristic, therefore, this design uses the multi-location level to enter the mold. This article has carried on the comparative analysis on the Usb connections processing craft, has determined the reasonable processing craft; Produces the condition
5、on the reality, underwent the synthesis to be quite definite the mold structure, has carried on the essential project analysis to molds each part; Has referred to the related mold design information, has carried on the essential theoretical calculation, causes this design by this to be standarder re
6、asonably; Based on this, in this designs mold carried on must economic efficiency analysis. This topics duty is works out the reasonable craft plan and designs a set of excellent practical cold stamping mold, and meets the production guiding principle requirement. Must discuss the craft plan fully i
7、n the design the rationality and the mold organization plan serviceability Key word: The level enters the mold, the Usb connection, the processing craft 目录目录 前言前言.1 1 概述概述.2 1.1 冲模设计概述.2 1.1.1 冲模分类模.2 1.1.2 冲模基本结构组成.2 1.1.3 冲模设计前的准备工作及应具备的技术资料.3 1.1.4 冲模设计的内容和步骤.3 1.1.5 工艺方案的选择.4 1.1.6 模具结构的选择.4 1.2.冷冲压生产的特点.5 2 工艺方案的确定工艺方案的确定.7 2.1 制定冲压工艺的主要内容：.7 2.2 工件的加工工艺.8 2.2.1工艺方案的种类.8 2.2.2工艺方案的比较和确定.9 3 模具设计模具设计.10 3.1 模具的总体结构设计.10 3.1.1.模具类形的选择.10 3.1.2 定位方式的选择.10 3.1.3 落料方式的选择.10 3.1.4 送料方式的选择.11 3.1.5 导柱、导套位置的确定.12 3.1.6 模具工序的安排.12 3.1.7 工件毛刺方向设计.
