Ratchet clutch of blank cutter

A ratchet clutch of blank cutter is characterized in that: a ratchet wheel and pawl clutch mechanism is adopted, wherein the racket wheel is fixedly arranged on an output shaft of a reducing unit, an eccentric cam serving as a driving wheel of a push plate wraps the axle sleeve of the ratchet wheel in a floatable way through a bearing, a ratchet pawl shaft penetrates through the eccentric cam with one end being provided with the ratchet pawl and the other end being provided with a fixed regulating lever meshing a shifting fork, the shifting fork is arranged on the eccentric cam through a pin shaft, a leaf spring supports the lower plane of the shifting fork, and the other end of the shifting fork is extends out of the outer edge of the eccentric cam. A control mechanism consists of a pedal, a control push rod, a clutch arm, a brake gear, wherein the brake gear is interlocked with the clutch arm through a movable hinge on the lower part of the clutch arm, the clutch arm is arranged on a position within the touch range of the outer end of the shifting fork, and a brake band winds around the excircle of the eccentric cam. The utility model has small size, new structure, little noise, low failure rate, stable and reliable clutching.