Protective structure of hardware cutter

The utility model discloses a protection structure of a hardware cutter, which relates to the technical field of cutter protection, and comprises a mounting rack, a cutter structure arranged on the mounting rack, a protection structure arranged on the mounting rack, a protection component arranged on the mounting rack, and two auxiliary components arranged on the mounting rack, a second protection assembly is arranged on the first protection assembly, a transmission assembly is arranged on the mounting frame, the auxiliary component comprises a switch, and an auxiliary assembly is arranged on the outer side of the switch. According to the cutter protective cover, a cutter can be sealed in the upper protective cover and the lower protective cover to be protected, so that the cutter can be prevented from being directly exposed, the damage of moisture and dust in the air to the cutter is reduced, the service life of the cutter is prolonged, a human body can be prevented from colliding with the cutter when the cu