Drilling machine capable of automatically replacing different drill bits for cups

The drilling machine comprises a base, an operation table is arranged at the top of the base, a protection plate is arranged at the top of the operation table, a supporting frame is arranged at the top of the base, a hydraulic cylinder is arranged at the top of the supporting frame, a mounting rod is arranged at the output end of the hydraulic cylinder, and a rotating shaft is arranged on the mounting rod; and a control mechanism is arranged at the bottom of the mounting rod. According to the drilling machine, the first motor is matched with the second motor and the third motor, the number ofmotors and drill bits of the drilling machine is increased, the functionality of the drilling machine is improved, the limitation is reduced, the rotating motor is matched with the gear shaft, the drill bits of the drilling machine can be selected according to the actual situation, the functionality of the drilling machine is improved, and the practicability is improved; and the illuminating lampis arranged to illuminate