Steel plate surface treatment device capable of achieving automatic feeding

The utility model discloses an automatic feeding steel plate surface treatment device which comprises a steel plate body, a movable frame and a laser derusting device, a feeding mechanism is installed at the upper end of the movable frame, and a lifting type derusting mechanism is installed at the upper end of the movable frame. The feeding mechanism comprises a strong electromagnet and a moving part, the lifting type rust removal mechanism comprises a main hydraulic cylinder, a driving part and a discharging part, the main hydraulic cylinder drives the driving part and the discharging part to move in the horizontal direction, the driving part drives a steel plate body to move in the horizontal direction, the discharging part supports the two sides of the steel plate body, and the discharging part rotates oppositely to release the steel plate body. The steel plate derusting device has the beneficial effects that a steel plate can be automatically moved through the cooperative operation of the feeding mechanis