The utility model provides a punching machine with semi -automatic spacing piece fixing device, including punching machine body and spacing piece fixing device, spacing piece fixing device includes the chassis, driving motor, first rotor, the second rotor, mix the cylinder, the flower disc, the fixed disk, fixed main shaft, strike cylinder and controller, first rotor outside fixedly connected withmixs the cylinder, the second rotor is equipped with the breach, straight flute and arc surface have been seted up to the flower disc, the straight flute cooperatees with the stirring cylinder, arc surface and second rotor phase -match, the fixed disk includes the punching press district, get material district and blowing district, the equal ring array in fixed disk surface is equipped with spacing piece die block, the assorted through -hole has all been seted up to fixed disk and spacing piece die block, it is located the through -hole below of getting the material district to strike the cylinder gas outlet, it is connected with controller signal to strike the cylinder, the utility model provides a pair of punching machine with semi -automatic spacing piece fixing device has improved operating personnel's safety in utilization and stamping working efficiency.