Pre-coated sand shooting type core shooter

The invention provides a pre-coated sand shooting type core shooter with reasonable design and high efficiency. The pre-coated sand shooting type core shooter comprises a machine body, a template assembly and sand shooting assemblies, wherein the machine body comprises a base, a top frame and guide columns located between the base and the top frame; the template assembly comprises an upper template and a lower template, the upper template and the lower template are mounted on the guide columns in a sleeving manner, the upper template can be controlled by a first vertical sliding structure to move up and down along the guide columns, and the lower template can be controlled by a second vertical sliding structure to move up and down along the guide columns and is connected with the base; each sand shooting assembly comprises a horizontal sliding structure arranged on the base, a sand box arranged on the horizontal sliding structure and capable of moving leftwards and rightwards on the horizontal sliding structure, a sand spit arranged on the sand box, a gas valve mounted on the sand box and a conveying pipe connecting the sand box and a hopper.