Precise punching device for metal product mold

The invention belongs to the technical field of punching equipment, and particularly relates to a precise punching device for a metal product mold, the precise punching device comprises a workbench and a stand column located on one side of the workbench, an embedding groove is formed in the upper surface of the workbench, and a mold body is fixedly clamped in the corresponding embedding groove; two positioning clamping mechanisms used for clamping and fixing a mold body are symmetrically and fixedly installed on the upper surface of the workbench, a lifting adjusting mechanism is installed on the upper side of the stand column, a transverse plate is fixedly connected to the output end of the lifting adjusting mechanism, and a supporting column is rotationally connected to the lower side of one end of the transverse plate through a bearing. A drilling motor is fixedly arranged on the upper side of the transverse plate, the output end of the lower end of the drilling motor is fixedly connected with the upper en