Design Of Transmission Manipulator For Gear Blank Forging Line

The gear with claw is the key part in the motorcycle transmission,the gear blank mainly USES the artificial close precision forging press technology,the forging press person's work load and unloading operation existence productivity is low,the security is not high,the product quality is not stable and the production environment is poor and so on.This paper investigates the operation of a forging production line,the current situation and development trend of the forging line in a certain enterprise,and based on the forging and pressing process of the gear blank with jaw in this enterprise,puts forward the technical transformation scheme of the control technology of the mechanical hand of the precision forging process.Through debugging in the field of the enterprise,the precision forging line transporting mechanical hand can well meet the requirements of forging press production.The production beat can be increased to 10 pieces/min from 6 pieces/min previously operated by manual operation,which improves product quality,production efficiency and production safety.In this paper,automatic control technology,sensor technology,PLC,mechanical hand,etc.are adopted to improve the material handling operation in the precision forging and pressing process.The main work is as follows:First,the overall scheme of the forging line is designed according to the actual technological process of the existing enterprise's forging line and the working conditions of the manipulator,and the layout of the precision forging line is optimized to meet the requirements of the automatic conveying process of the manipulator.The layout of the production line in this transformation is composed of two mechanical arms and one fine forging unit.Both two mechanical arms adopt 3-dof rectangular coordinate type mechanical hands,and the overall scheme design of precision forging mechanical arms with claw gear blank is formulated.Second,complete the design of material handling manipulator body.Put forward the mechanical system design scheme of manipulator;Finish the mechanical structure design of end-effector,expansion arm mechanism,rotating arm mechanism,lifting arm mechanism,rotating shaft and swinging shaft.The key parts of motor,transmission system and manipulator are selected and designed.Thirdly,a motional model of the manipulator based on the d-h parameter method is established,and a simulation study of the end position and posture of the manipulator is carried out using MATLAB.In the ADAMS environment,the model and dynamic analysis of the carrying manipulator were carried out,which provided the relevant simulation verification for the design of the carrying manipulator.Fourthly,design the control system of loading and unloading manipulator based on PLC.The system adopts s7-200 of Siemens to complete the system's hardware selection,electrical module,motion controller and drive module,and the corresponding control program design.Through field test and demonstration application,it is shown that the control of conveying manipulator can fully meet the automatic production of gear blank forging line.