Pottery pouring basin and supporting casting mould thereof

The utility model relates to a pottery pouring basin and supporting casting mould thereof belongs to the sand casting field, and the periphery of ceramic pouring basin is provided with first lug, be provided with on the runner with ceramic pouring basin matched with second lug, the outside of second lug is provided with first recess, the perpendicular distance of first lug and ceramic pouring basin bottom is greater than the perpendicular distance of second lug and runner bottom, connecting device includes three E shape fastener and garter -type spring, and the garter -type spring setting is in the outside of fastener, the inboard top of fastener be provided with with first lug matched with second recess, the inboard below of fastener be provided with with first recess matched with convex part, pass through fastener and garter -type spring straining between first lug and the second lug. The device simple structure, convenient to use, the practicality is strong, the pottery pouring basin drops when effectively avoiding on the mo(u)lding line mould turnover operation, implements effectual, improvement production efficiency.