Movable defect automatic detection device

The invention discloses a mobile defect automatic detection device which comprises a control mechanism, a supporting mechanism, a fixing mechanism and a mobile detection mechanism, the fixing mechanism is movably arranged on the supporting mechanism, and a mobile assembly is arranged on the supporting mechanism, so that a product can be quickly fixed, and meanwhile, the position of the fixing mechanism is convenient to adjust, so that a better fixing effect is achieved; the mobile assembly enables the whole device to be movable, and detection can be achieved without carrying products; the mobile detection mechanism is arranged above the supporting mechanism and comprises a detection assembly, the detection assembly comprises a movable detection head, a marking mechanism and a positioning mechanism, the marking mechanism can mark defective positions detected by the detection head, and the positioning mechanism is used for ensuring the stability of the detection head, so that the detection effect is better, def