Visual defect detection equipment

The utility model relates to the technical field of tablet personal computer shell detection, in particular to visual defect detection equipment which comprises a workbench, a feeding device, a discharging device and a long edge detection device. In practical application, the tablet computer shell is fed through the feeding device, the inner wall of the tablet computer shell is detected, and in the feeding process of the feeding device, the two long edges of the tablet computer shell are detected through the long edge detection device; the appearance surface of the tablet personal computer shell is detected through an appearance surface detection device, and the detected tablet personal computer shell is conveyed to the suction end of a discharging device; the tablet personal computer shell is taken out of the appearance face detection device through the discharging device to be discharged, and the two short edges of the tablet personal computer shell are detected; according to the utility model, the inner wa