Multi-drill-bit drilling machine capable of automatically rotating workpieces

The invention discloses a multi-drill-bit drilling machine capable of automatically rotating workpieces. The multi-drill-bit drilling machine comprises a rack. A machine base is provided with a moving trolley. The moving trolley is provided with a speed reduction box. The multi-drill-bit drilling machine is characterized in that a pushing hydraulic cylinder is installed on the top of the rack, and the pushing hydraulic cylinder is connected with a drilling machine head portion; the upper ends of connecting rods with universal joints are connected to the drilling machine head portion, drill bits are arranged at the lower ends of the connecting rods with the universal joints, and a motor is connected with the head of the drilling machine; the speed reduction box is provided with a work platform provided with a rotary table, a stepping motor is arranged on one side of the speed reduction box, and a transmission mechanism in the speed reduction box is driven by the stepping motor and drives the rotary table to rotate; the rotary table is provided with rotary table clamps pressing the rotary table on the work platform, and a clamping hydraulic cylinder is arranged below the work platform and connected with the rotary table clamps; a workpiece clamp and the workpieces are arranged on the rotary table; multi-set drilling machining is carried out through automatic rotation of the workpieces via the rotary table, the production efficiency is improved, and the labor intensity of workers is relieved.