Printing head buffer protection mechanism for packaging bag color printing

The utility model discloses a printing head buffer protection mechanism for packaging bag color printing, and relates to the field of buffer protection devices, the printing head buffer protection mechanism comprises a supporting plate, a transmission assembly is arranged in the supporting plate, the transmission assembly comprises a motor, a driving wheel, a belt, a driven wheel, a screw rod, a guide column and a movable block, and a buffer assembly is arranged on the upper surface of the supporting plate. The buffer assembly comprises a sleeve rod, a telescopic rod, a sliding block, a sliding groove and a spring. By means of the sleeve rod, the telescopic rod, the sliding block, the sliding groove and the spring, buffering of the printing head is achieved, the printing head is protected, when the device works, vibration generated by machine work is buffered by the spring, force transmitted to the interior of the supporting plate is small, stability of color printing of the device is better guaranteed, and t