金属仿形瓦工件
金属仿形瓦冲压成形模设计
摘要
本课题是仿形瓦级进模具设计，通过冲裁件的工艺分析，确定零件能否进行冲裁，并明确在冲裁工艺及模具设计中主要解决的问题或难点所在。仿形瓦级进模模具包含折弯的基本工艺步骤，其中起伏折弯1个工步，折边一个工步。该零件材料厚度较薄，尺寸小，呈规则形状，因此采用直排样。为了便于操作和保证零件的精度，宜采用送料机和导正销配合定距，导料板导向的定位方式。考虑零件厚度较薄，采用弹性卸料方式，为了便于操作，提高生产率，模具的定位精度要求较高，因此采用四导柱模架。凸凹模通过配合加工来满足凸凹模之间的精度要求。该模具的设计过程：先通过工艺分析确定了工件的排样图（其中包含：工艺步骤的划分，条料的定距方式，凸凹模的形状等）,通过排样图确定凸凹模的尺寸，通过AUTOCAD绘制出凸凹模的工程图。
【关键词】：级进模；排样；冲孔；落料。
Abstract
This topic is the design of progressive die for the motor rotor core, by blanking technology analysis, determine if the part for punching, and specifically in punching technology and die design of the main problems or difficulties is located. Progressive die for the motor rotor core contains two basic punches and blanking process steps,which punches including three sequences, blanking a step. Due to the mass production of parts, so using progressive die, high production efficiency, easy operation. The part material thickness of a thin, small, round,with direct layout. For ease of operation and ensure the accuracy of parts, the use of side edge and pilot pin combinedwith distance, guiding plate oriented positioning. Consider part thickness thin, flexible discharge strategies, in order to facilitate operations, increase productivity, stamping and scrap used directly by a punch from the die hole pushed out of theway under, because the part thickness of thin, blanking clearance isvery small, requiring high positioning accuracy of progressive die, so four-pillar. Punch and die through combinedwith processing to meet the accuracy requirements between the punch and die. The die of design process: first by technology analysis determine hasworkpiece of row sample figure(which contains: technology steps of Division, section material ofwill fromway, punch die of shape,), by row sample figure determine punch die of size, by AUTOCAD draws out punch die of engineering figure, then application draws out die the part of three dimensional model, in accordancewith the requirementswith on die the parts for Assembly.
【Keywords】: Progressive die; layout; punching; blanking.
目录
摘要I
Abstract II
前言1
第一章冲压零件的工艺性分析4
1.1工序类型4
1.2零件工艺性能4
1.3零件工艺结构4
第二章毛坯展开长度的确定5
第三章弯曲力的计算6
第四章压力机的选择6
第五章弯曲模工作部分尺寸的确定9
5.1凸模圆角半径r p 9
5.2凹模圆角半径rd 9
5.3凹模深度h0 9
5.4凸、凹模间隙Z 9
5.5弯曲凸、凹模横向尺寸及公差9
第六章模具结构设计10
第七章模具结构设计12
7.1上模装配12
7.2下模装配13
第八章确定模具主要零件加工工艺过程15
8.1折弯凸模加工工艺过程15
8.2凸模固定板加工工艺过程15
8.3凹模加工工艺过程16
结论19
参考文献20
致谢21
A0装配图
A0凹模固定板
A0上模垫板
A0上模座
A0凸模弹块
A0凸模弹块2
A0凸模固定板
A0下模座
零件分析
设计目录
设计字数统计
中英文摘要
