Computer is beaten printing paper and is easily torn limit cutter

The utility model provides a computer is beaten printing paper and is easily torn limit cutter, including the former, set up the fixed plate in the former inboard, the center department of fixed plate sets up logical shaft hole, sets up the power ring gear in the former outside, the fixed plate parallel with the central plane of power ring gear, the power that the sets up tooth of equipartition on the ring gear of doing all can, the power tooth with power the ring gear set up perpendicularly in the junction, power breadth of tooth degree and two the adjacent power space width s of power between the teeth proportion be 1.7: 0.5. The utility model discloses a with setting up the former bend line in the middle of the cutter, adjustion cutter power tooth is big or small with power space width's proportion, and will do all can tooth and power space width's proportion sets up to 1.7: 0.5 to the stress that the adaptation cutter produced when the paper tears the limit makes the paper difficult chaotic when tearing t