Abstract: An intelligent production line for motor pulley, include a processing mechanism; a feeding mechanism; a grasping mechanism; a detection mechanism, including a photographing device, a light source, a positioning block, and an image processing unit, the positioning block is used to place the pulley to be detected, the light source is used to illuminate the pulley to be detected, and the photographing device is arranged in the backlight direction of the light source, the image processing unit is used for acquiring the workpiece image of the pulley to be detected through the photographing device and detecting the workpiece parameters of the pulley to be detected through the workpiece image; a feedback mechanism, which communicates and connects the detection mechanism and the processing mechanism, and is used for acquiring the workpiece parameters and adjusting the processing parameters of the processing mechanism according to the parameters.