Automatic alignment device for printing

The invention discloses an automatic alignment device for printing. The automatic alignment device comprises a printing box, an inlet, a feeding device, a connecting pipe, a printing device body, an adjusting mechanism and a lifting and position adjusting mechanism. The adjusting mechanism is arranged at the top of the printing device body, the two motors are arranged in the adjusting mechanism, one motor drives the belt wheel set to conduct transmission, left-right displacement of the printing device body can be achieved, the other motor drives the gear set to conduct transmission, front-back displacement and two-direction displacement synchronous movement of the printing device body are achieved, and mutual interference is avoided; manual adjustment is not needed, and the alignment effect and precision are conveniently improved; a lifting and position adjusting mechanism is arranged at the bottom in the printing box and is driven by an independent motor, and the lower end of the lifting and position adjusti