Laser head assembly for laser marking of silk screen plate

The utility model discloses a laser head assembly for laser marking of a silk screen plate. The laser head assembly comprises an installation connecting plate frame and penetrating connecting holes formed in the installation connecting plate frame. A built-in rubber clamping bag is arranged on the inner side wall of the penetrating connecting hole, a shifting knob is arranged at the front end of the mounting connecting plate frame, a built-in threaded rod is arranged in the middle of the shifting knob, an extrusion inflating body is arranged on the right side of the built-in threaded rod, and the tail end of the extrusion inflating body is connected with the built-in rubber clamping bag through a pipeline; a built-in threaded rod can be adjusted to rotate leftwards and rightwards by shifting a shifting knob, and the built-in threaded rod moves rightwards to extrude an extrusion inflation body to inflate a built-in rubber clamping bag, so that the built-in rubber clamping bag is clamped at the position of a mi