文档介绍：摘要
本设计是关于薄壁零件冲压机的设计,主要对冲压机上、下辊及冲压机进行设计和计算。
设计前部分详细阐述了冲压机上、下辊结构设计和受力分析。根据两种机构的特点我拟定了三种设计方案,根据运动执行机构需具有急回特性和工作段近于匀速的特征,由于这一特性,我选择六杆机构,使压力角尽可能小。它具有结构简单、体积小、重量轻、经济、等优点。动力源则选择了Y系列Y90L—4型电机,其工作特性优于Y系列电机,适用于有轻微震动,正反转且转速不高的场合。
总体设计后部分所涉及的冲压机采用了六杆机构。齿轮材料为40Cr,并经调质及表面淬火。校核齿轮、轴、键、轴承确保了设计的实际可行性。
关键词: 冲压机;电动机;键;齿轮
Abstract
The design is on the thin-walled parts of punching machine mainly designs and caculates the upper and lower rollers and stamping machine.
The former design part describes the stamping machine, upper and lower rollers under the structural design and mechanical analysis. I have drawn up three kind of design proposals according to two kind anization's characteristics, must have according to the movement implementing es back promptly the characteristic and works Duan Jinyu the uniform speed characteristic, as a result of this characteristic, I chooses six anizations, causes the angle of pressure to be as far as possible has many advantages such as simple structure, small size, light weight, source selectes the Y series Y90L-4-type motors,and characteristics are better than Y series motors. It is suitable occasions of slight vibration and positive with not high speed.
. In the latter part ,the stamping machine uses six institutions. Gear material is 40Cr, and the quenching and tempering and surface hardening. Check gears, shafts, keys, bearings to ensure the practical feasibility of the design.
Keywords: stamping machine; motor; key; gear
附录符号表
压力角
动载荷系数
转角
齿高
r
传动角
齿宽
载荷系数
弯曲疲劳许用应力
转矩
弯曲疲劳强度
齿宽系数
安全系数
弹性影响系数
中心距
mm
接触疲劳强度极限
载荷系数
接触疲劳寿命系数
齿形系数
齿数
应力校正系数
模数
mm
功率
圆周速度
m/s
i
传动比
d
分度圆直径
mm
应力循环系数
接触疲劳许用应力
效率
使用系数
目录
1绪论 1
1
1
2
2方案论证 3
3
设计方案一 3
3
4
5
3 机构设计 6
6
6
7
7
8
冲压机构齿轮 10
4减速器的设计 11