在分度机构旋转工作台的设计.doc
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- 关 键 词:
- 分度 机构 旋转 工作台 设计
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1、摘 要 本课题研究的题目为在分度机构回转工作台的设计,此工作台配合激光焊接机共同使用。本课题的设计从激光焊接的特点出发,针对焊接时焊枪不宜360度全方位旋转与焊接时速度不宜过快等特点,设计出一个能在水平工作面带动工件360度全方位旋转的工作转台,同时为了能提高焊接加工的效率,工作转台设计为多工位旋转工作台。从而达到一次性装夹多个工件进行加工。相对于传统机械分度头,操作方便,分度精度高,生产效率高。本工作台的工作原理:首先从加工零件的装夹出发,设计加工的零件为圆柱体,装夹机构分为主动顶杆与从动顶杆,从动顶杆可在水平方向移动一定距离,装夹时,工件水平放置与主动顶杆与从动顶杆之间,由动顶杆提供夹紧力
2、讲工件夹紧。然后是工作台工位的布置,工作转台为两对称分布的圆盘,中间由一空心轴连接,工位则均匀的分布在圆盘上面。最后是工作台的运转,工作台运转可分为公转与自转,自转体现在工位的自转,带动工件自转完成焊接;公转体现在工作转台的旋转,实现加工工位之间的转换。公转采用间歇式旋转,而其停顿的时间恰为工位自转一周所用时间。公转的间歇式运动由步进电机实行。关键词:分度回转工作台;多工位;公转与自转Abstract The topic of this topic research for dividing mechanism in the design of the rotary table,The wor
3、kbench with common use laser welding machine.This topic design starting from the characteristics of laser welding,For welding when the welding torch is unfavorable and 360 - degree rotating and welding velocity shoulds not be too fast and other characteristics,Design a 360 - degree can drive in a ho
4、rizontal face workpiece rotating turntable work, at the same time in order to improve the efficiency of the welding processing, multiple location rotary worktable turntable design work. So as to achieve more than one-time clamping the workpiece for machining. Compared with traditional mechanical div
5、iding head, easy operation, high indexing precision, high production efficiency. This workbench works: first, starting from the clamping of machining parts, design machining parts for the cylinders, the clamping mechanism is divided into driving plunger and driven push rod, driven push rod can move
6、in horizontal distance, the clamping, the workpiece is placed and active between plunger and driven push rod, provided by the moving plunger clamping force of clamping workpiece. Workbench station layout, and then works turntable disc into two symmetrical distribution, center consists of a hollow sh
7、aft connection, location is evenly distributed on the disc. Finally workbench, the workbench is running can be divided into the revolution and rotation, the rotation is in the location of the rotation, drive the workpiece rotation to complete welding; The work embodied in the rotation of the turntab
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