Core shooter with template convenient to replace for processing casting of watering cart

The core shooter comprises a supporting frame, electric sliding rails, a sliding block and an electric push rod, the electric sliding rails are installed on the two side walls of the supporting frame, the electric sliding rails are connected with the supporting frame through bolts, and the sliding block is installed in the electric sliding rails. The device has the beneficial effects that by arranging the electric sliding rails, the sliding blocks, the electric push rods and the supporting plates, when the upper die base needs to be replaced, the supporting plates are pushed to move through the electric push rods, then the distance between the supporting plates is adjusted according to the specification of the upper die base, and then the upper die base is supported by the supporting plates; and then an electric sliding rail automatically lifts the upper die base to the height of the mounting plate through a sliding block, so that operation of workers is facilitated, the working intensity of the workers is re