Hardware surface defect detection and classification system and method based on machine vision

The invention discloses a hardware surface defect detection and classification system and method based on machine vision, and relates to the technical field of hardware detection through machine vision. The hardware surface defect detection and classification system aims to solve the problems of low efficiency, low automation degree and low accuracy caused by existing hardware manual detection. The hardware surface defect detection and classification system based on machine vision mainly comprises a conveying module, an acquisition module, a terminal computer, a control module and a sorting module, wherein the conveying module is used for conveying hardware from a feeding belt to a detection area and a sorting area, the acquisition module is used for acquiring hardware images, the terminal computer is used for receiving a hardware arrival signal sent by a PLC control module, transmitting the signal to the camera, receiving the hardware images fed back by the camera, sending an image acquisition completion sig