Eight-inch thermal printer core

The utility model relates to the technical field of thermal printers, in particular to an eight-inch thermal printer core, which comprises a core base frame, the left side of the core base frame is provided with a left cover assembly, the left cover assembly consists of a core left cover, a cover closing detection switch, a screw hole and a machine tooth screw, and the surface of the core left cover is linked with the cover closing detection switch; a right cover assembly is arranged on the right side of the machine core base frame, a printing mechanism is installed in the machine core base frame, the printing mechanism is composed of an elastic plate, a printing head assembly and a reinforcing shaft, the elastic plate is fixedly connected into the machine core base frame through screws, and the printing head assembly is arranged on the inner side of the elastic plate. A reinforcing shaft is mounted on the outer wall of one side of the elastic plate; a rubber roller assembly is connected to the position, loca