Water-cooled drilling device for water pump casting production

The invention belongs to the technical field of water pump casting production, and particularly discloses a water-cooled drilling device for water pump casting production, which comprises a workbench, a storage box, a drawer and a water suction pump, a net is placed in the middle above the workbench, the storage box is arranged at the bottom of the workbench, the drawer is arranged on the front side of the storage box, and the drawer is inserted into the storage box; the bottom of the storage box is provided with a conical blanking opening, the blanking opening of the storage box is communicated with a water storage box, a water outlet is formed in the position, close to the bottom, of one side of the water storage box, the water outlet is connected to a water pumping opening of a water suction pump through a water pipe, and the water pumping opening of the water suction pump is connected with a water spraying head through a hose; a transverse first driving column is arranged at the position, close to the bac