The automatic core shooting machine is made of coated sand and is suitable for hot core box。The core shooting machine is characterized by the use of four guide pillars to install the upper and lower die frame, the upper and lower die are installed on the upper and lower die frame, accurate positioning, horizontal parting of the opening and closing die, easy to take material, and equipped with core extraction, suitable for complex product production。The core shooting machine is widely used in the casting industry, and the core size of the core shooting machine is accurate and the surface is smooth。The working principle of the core shooting machine is to shoot the core sand mixture of solid thermosetting resin as a binder into the heated core box, and the sand core is preheated in the core box and quickly hardened to a certain thickness, forming a smooth surface and accurate size of high-quality sand core finished product。