Optical automatic measurement system with multi-working-position material-loading and material-unloading lines

The utility model provides an optical automatic measurement system with multi-working-position material-loading and material-unloading lines, and problems that a workpiece is long in material-loading and material-unloading time, the measurement system is in the waiting state and measurement efficiency is seriously influenced can be solved. The optical automatic measurement system comprises a measurement machine, a measurement working position, multiple measurement preparation working positions and a measurement control unit. Each measurement preparation working position comprises the material-loading and material-unloading lines and a workpiece tray. The material-loading and material-unloading lines comprise a bracket and cover plate. The left and right sides of the bracket are provided with multiple rolling wheels. The workpiece tray is supported on the rolling wheels. The axial direction of the rolling wheels is vertical to material-loading and material-unloading direction. The multiple measurement preparat