P形铰接零件模具设计+CAD图纸

摘要：随着当代冲压技术的发展，对模具质量的要求也越来越高。级进模作为一种精密而且复杂，具有高效率、高寿命、高精度等特点。在对模具进行设计的时候，越来越多的人使用级进模作为加工模具，更适合生产出工件精度不高、批量大、形状简单的制件，本次课题为P型铰链的模具设计，此零件的步骤拥有冲裁和弯曲，所以是典型的冲裁弯曲件。可以分别从先冲裁后弯曲的步骤来进行。冲裁件可以根据孔的大小、尺寸等进行约束，弯曲部分可以根据弯曲类型来进行定义，是模具设计中典型的冲裁弯曲件案例。此零件的加工工艺方案选冲孔-切边-弯曲-翻边-落料连续工序最为合理。43802

毕业论文关键词：弯曲；冲裁；冷冲模

The elastic support mold design

Abstract: With the development of modern technology of stamping, die quality requirements are increasingly high. The progressive die is a kind of precise and complex, with high efficiency, long service life, high precision and so on. In the current production demand is more important, In the design of the mold,more and more people use the progressive die as a mold,more suitable for the production of the workpiece is not high precision,large quantities,simple shape parts,This topic for the elastic support mold design,the parts with blanking and bending steps,so is a typical blanking bending parts.Can strating respectively after blanking bending steps.Blanking pieces can be constraints according to the size of the hole,size,etc,the bending part can be defined depending on the type of bending,blanking bending is typical in the mold design case.Punching-select the processing scheme of this part of the cutting edge-bending flanging blanking process for the most reasonable.

Key words: Bending；Blanking；Cold stamping die

1 绪论 1

1.1 冲压的概念 2

1.2 冲压的基本工序及模具2

1.3 中国冲压模具现状 2

1.3.1 我国在模具设计和模具制造方面的现状2

1.4 冲压模具的发展重点与展望3

1.4.1 重点一模具产品的发展3

1.4.2 冲压模具技术展望3

1.5 中国冲压模具发展趋势3

2 工艺性分析 5

2.1级进模冲压的研究现状5

2.2冲压的基本工序及模具5

3 冲压工艺方案7

4 模具结构的确定9

5 展开尺寸计算即展开图设计 10

5.1 展开尺寸计算及展开图10

5.2 坯料排样11

5.3 冲裁排样方案11

6 冲压力计算及冲压设备选择15

6.1 冲裁力计算 15

6.2 弯曲力计算16

6.3 冲压设备选择 16

7 模具压力中心 18

7.1 模具压力中心计算 18

8 模具凸、凹模结构设计19

8.1 冲裁模具间隙的选择及分析19

8.2 冲裁凸模（凹模镶块）设计19

8.3 弯曲凸模（凹模镶块）设计21

9 弹簧元件选择 23

9.1 弹簧 23

10 模具的闭合高度H校核 25

11 零件加工工艺26

11.1 上模座加工工艺26

11.2 卸料板加工工艺26

11.3 下模座加工工艺26

11.4 凹模加工工艺27

11.5 冲圆孔凸模加工工艺27

11.6 落料凸模加工工艺27

11.7 弯曲凸模加工工艺28

11.8 切废料凸模加工工艺28

12 模具装配29

12.1 模具装配的概述 29

12.2 模具装配的内容29

12.3 冲压模零部件装配30

结论32 P形铰接零件模具设计+CAD图纸:http://www.751com.cn/jixie/lunwen_44826.html