The utility model discloses a be used for kaolinic high -speed depolymerization to break up machine, including the under casing, movement holes has been seted up at the top of under casing, the back of under casing inner wall is provided with first motor, the first gear of output fixedly connected with of first motor, there is the second gear in the back of under casing inner wall and the left side that is located first motor through pivot swing joint, a second gear and a gear engagement, the positive swing joint of second gear has the oval plate. The utility model discloses a cooperation thatsets up movement holes, first motor, first gear, second gear, oval plate, connecting rod, activity frame, slider, spout, breaks up quick -witted body, baffle, second motor, transmission shaft, bearing and break up the blade is used, has solved present depolymerization and has broken up the machine have the dead angle when breaing up, can not evenly break up kaolin, results in the user when breaing up, has wasted a large amount of time, has reduced the problem that quick -witted production efficiency was broken up in the depolymerization.