Automatic cleaning and detecting device and method for engine connecting rod

The invention relates to an automatic cleaning and detecting device and method for an engine connecting rod. The automatic cleaning and detecting device comprises a feeding dismounting device, a discharging dismounting device, a composite cleaning machine, an annular conveying belt, a first mechanical arm, a cleaning basket set, a rotary disc movement assembly, a visual detecting unit, a second mechanical arm, a packaging conveying belt, a repairing and grinding conveying belt and a waste conveying belt. An automatic manipulator and a rotary table clamp clamping mode are fully utilized, automation of the whole machining process for cleaning the engine connecting rod assembly is achieved, the production efficiency of a product line is improved, the labor cost is reduced, meanwhile, the ultrasonic cleaning technology combined with high-energy focusing is adopted, the workpiece surface cleanliness and the cleaning efficiency are expected to be improved, and the product quality is improved. The problem that a gap