Device for automatically and continuously machining bolt head mark

The invention provides a device for automatically and continuously machining a bolt head mark. The device comprises a vibrating material arranging mechanism, a slide rail feeding mechanism, a guide rail feeding mechanism, a discharging mechanism, a laser generating mechanism, a workpiece locating pushing mechanism and a control mechanism, wherein the guide rail feeding mechanism comprises a back guide plate assembly and a guide rail assembly; the back guide plate assembly comprises a back guide plate; the guide rail assembly comprises a left guide plate, a right guide plate, a rod diameter regulating bolt and a fixed seat, the left guide plate and the right guide plate are parallel and symmetric left and right, a slide way is formed between the left guide plate and the right guide plate, one end of the fixed seat and one side of the back guide plate are fixed, the other end of the fixed seat are in screw-thread fit with the rod diameter regulating bolt, and the rod diameter regulating bolt penetrates out of t