Paper cutting device of printer

The utility model provides a printer paper cutting device, which relates to the technical field of paper cutting devices and comprises a cutting table, a motor is fixedly mounted on the side surface of the cutting table, a paper feeding roller A is fixedly mounted at the output end of the motor, a guide plate is fixedly mounted on the surface of the cutting table, a belt wheel A is fixedly mounted at the output end of the motor, and a paper feeding roller B is fixedly mounted at the output end of the belt wheel A; the surface of the belt wheel A is sleeved with a belt, a belt wheel B is rotationally connected to the side face of the cutting table, a paper feeding roller B is fixedly installed at one end of the belt wheel B, a groove table is fixedly installed on the inner side of the cutting table, and a mounting plate is slidably connected to the inner side of the groove table. According to the paper cutting machine, by arranging the groove table, the mounting plate, the sliding rod, the L-shaped plate, the