Drilling device for machine manufacturing

The utility model discloses a drilling device for machine manufacturing, which relates to the field of drilling and comprises a base, a fixing plate is fixedly mounted on the top side of the base, a workbench fixedly mounted on the top side of the base is arranged on one side of the fixing plate, a connecting column is fixedly mounted on one side of the fixing plate, and a telescopic hydraulic cylinder is fixedly mounted on the bottom side of the connecting column. A telescopic shaft is fixedly installed at the output end of the telescopic hydraulic cylinder, a drilling motor is fixedly installed at the bottom end of the telescopic shaft, a drill bit is fixedly installed on an output shaft of the drilling motor, and the drill bit corresponds to the workbench in position. The drill bit is reasonable in structure, when machined parts are machined, the telescopic shaft is retracted to drive the drill bit to return and the protective cover to be opened, and when the parts are machined, thetelescopic shaft moves d