Mechanical part detection device, mechanical part machining equipment and detection method

The invention provides a mechanical part detection device, mechanical part machining equipment and a detection method, and belongs to the technical field of mechanical part machining. The problems that detection equipment and defective product processing occupy the processing operation space, the working procedure is complex, and the cost is high are solved. The device comprises an objective table, a detection sensor, a storage rack and a defective product processing channel, the objective table is installed on a workbench in a sliding mode, a detected product is placed on the objective table, the detection sensor is installed on the storage rack, the storage rack is installed in the middle of the workbench and located above the detected product, and the defective product processing channel is located above the detection sensor. A defective product processing channel is installed on the workbench and located on the side, away from the objective table, of the storage rack, a sliding rail is arranged in the cen