毕业论文-桌面式自动锁螺机的设计.docVIP

PAGE I 桌面式自动锁螺机的设计 摘 要 本次毕业设计的题目是桌面式自动锁螺机的设计。本设计采用X-Y工作台配合气压系统，来完成螺丝的定位锁紧，其中X-Y工作台采用丝杠螺母配合步进电动机及增量式编码盘完成控制，达到预期的定位锁紧要求。本论文主要介绍的是桌面式自动锁螺机的整体设计过程，设计过程共分为以下几部分： 一、机械结构部分。桌面式自动锁螺机机械机构的设计与计算，主要分为两大部分，X-Y工作台部分和夹紧手部分。各部分分别介绍了传动机构的工作原理、选型计算、校核等，如丝杠螺母副、直线滚动导轨副、电机、联轴器等。 二、气压部分。主要包括气压缸和相应辅助元件的选用。其设计主要是气压系统原理图绘制，在气压缸选用中根据机械结构的设计计算选用相应的气压缸。 三、控制部分。其中包括控制器单片机的选用、硬件电路图的绘制、控制流程图的绘制、控制程序的编写等，在硬件电路图的设计中根据机械部分设计时所选的电机来确定其驱动芯片。 通过分析桌面式自动锁螺机的整体结构和夹紧系统的特点、应用条件，设计要求等，充分体现了桌面式自动锁螺机在自动化生产线中的广泛应用，达到提高生产效率的目的。 关键词：锁螺机；桌面式；自动控制  Abstract The graduation design topic is desktop type automatically lock screw machine design. This design uses the X-Y workbench cooperation pressure system, to complete screw orientation lock, including X-Y work table adopts screw nut with stepper motor and incremental coding dish completion control expected orientation lock requirement. This thesis mainly describes a desktop type automatically lock the overall design process screw machine, design process is divided into several parts: Part 1 Mechanism system. Desktop type automatically lock screw machine mechanism design and calculation, mainly divided into two parts, X-Y workbench part and clamping hand parts. Each part respectively introduces the work principle, drive mechanism selection calculation, check, such as screw nut pair, linear rolling guide ways such as deputy, motor, couplings. Part 2 Pressure system. Mainly includes the air cylinder and corresponding auxiliary components to choose. Its design is mainly pneumatic system diagram in the air cylinder drawn, according to the mechanical structure choose the design calculation choose corresponding pressure cylinder. Part 3 Control system Including controller hardware circuit of single chip selection, draw, the control flow of drawing, control program written in hardware circuit diagram, the design of mechanical part design according to the motor selected to determine its drive chip. Through the analysis of the desktop type automatically lock screw m