Automatic cutting and grinding machine for pouring gate ejector pin

The utility model relates to the technical field of cutting and grinding equipment, in particular to an automatic cutting and grinding machine for a pouring gate ejector pin, which improves the convenience of the cutting and grinding machine for automatically cutting and grinding the ejector pin, improves the working efficiency and reduces the use limitation of the cutting and grinding machine. Comprising a base, a fixing device, a supporting device, a moving device, a chuck, a fixing plate, a support, a shell, a first air cylinder, a connecting shaft and a grinding wheel, the fixing device is arranged in the middle of the top end of the base, the supporting device is arranged on the left portion of the top end of the base, and the chuck is rotationally installed on the supporting device; the right end of the support is connected with the left end of the fixing plate, rotating shafts are arranged at the front end and the rear end of the shell respectively, the shell is rotationally installed on the support th