Automotive body assembly and positioning device

Abstract

The invention provides a positioning device for automobile body assembly, which includes a lower vehicle body positioning assembly and an upper vehicle body positioning assembly. The lower vehicle body positioning assembly includes a bearing plate and a zero-point positioning system. The zero-point positioning system includes a first positioning unit, a second positioning unit, a third positioning unit and a fourth positioning unit, the first positioning unit includes a first supporting column and a first pin, the second positioning unit includes a second supporting column and a second pin, and the third positioning unit includes a third supporting column and a The zero-point locking piece, the fourth positioning unit includes the fourth support column and the assembly locking piece; the upper body positioning assembly includes a plurality of gripper fixtures, the gripper fixture includes a fixing bracket, an assembly bracket and a gun changing plate, and the inner wall of the fixing bracket A third bolt and a fourth bolt are arranged on the top, and assembly locking parts are arranged between adjacent fixing brackets. The invention has the advantages of simple structure, flexible operation, convenient use and high positioning accuracy, which greatly simplifies the equipment structure and improves the reliability of the equipment.

Description

technical field [0001] The invention relates to the technical field of automobile production, in particular to an automobile body assembly positioning device. Background technique [0002] With the rapid development of the automobile industry, adapting to the ever-changing market demand and accelerating the competitiveness of products, major manufacturers must meet the fast market rhythm of automobile body assembly, which requires improvement and optimization of current equipment from the perspective of product lines , to maximize the satisfaction of the current market demand. The assembly station of automobile body-in-white is particularly important to the quality structure of the vehicle, and is an important process to measure the quality of the body. [0003] During the use of the existing automobile body assembly and positioning device, the limitations are relatively large and the positioning accuracy is low, thereby reducing the assembly positioning efficiency of the a...

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