The utility model discloses a material feeding unit of rotor balancing mechanism, including the initiative roller, the conveyer belt, the rotor, support roller, driven roller, the apparatus further comprises a rotating shaft, including a motor, an end cap, a controller, and a cover plate, the flange, motor output shaft, a bearing, the ball, the rotor fixed slot, the winding of initiative roll surface has the conveyer belt, the fixed rotor fixed slot that is provided with in conveyer belt surface top, rotor fixed slot bottom top fixed mounting has the rotor, conveyer belt middle -end below fixed mounting has support roller, conveyer belt one end fixedly connected with driven roller, the inside middle -end fixed mounting of initiative roller has the pivot, through bearing fixed connection between pivot and right branch strut and the left branch strut, the beneficial effect of the utility model: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization is provided with distance and efficiency that initiative roller, support roller and driven roller increase the pay -off, is provided with right branch strut and the left branchstrut fixed rotating shaft of being convenient for, is provided with conveyer belt and rotor fixed slot and prevents that rotor pay -off in -process from coming off.