Metal cylindrical rod surface defect detection device based on linear array camera

The utility model discloses a metal cylindrical rod surface defect detection device based on a line-scan digital camera. The metal cylindrical rod surface defect detection device mainly comprises a detection device welding outer frame, a line-scan digital camera mounting bracket, a high-angle lighting light source mounting and adjusting frame, a low-angle lighting light source mounting and adjusting frame, a double-roller type detection table and a device base. And the line-scan digital camera is arranged right above the double-roller type detection platform and is fixed on the adjustable platform. The number of the light sources is two, and the light sources are mainly located obliquely below the linear array camera and are provided with sliding guide rails and angle adjusting pieces, and up-down adjustment, front-back adjustment and angle adjustment can be conducted. The double-roller type detection table is mainly composed of a material distributing shaft, a double-roller type rotating shaft and a screenin