1results about How to "Improve casting yield" patented technology

The utility model provides a mould lock core tool which is used for locking a plurality of sand cores and comprises a base, a supporting plate is arranged on the base, a positioning block used for positioning the sand cores is arranged on the supporting plate, and side pressing assemblies used for pressing the sand cores are symmetrically arranged on the left side and the right side of the supporting plate. A sand shooting plate and an air blowing plate are sequentially arranged above the supporting plate from bottom to top, the side pressing assembly comprises a mounting plate arranged on the supporting plate, an air cylinder is obliquely arranged on the mounting plate, a connecting plate is arranged at the end of a piston rod of the air cylinder, and a plurality of pressing blocks corresponding to sand cores are arranged at the connecting plate. The utility model has the advantages that the resin sand is injected into the sand core cavity and is blown and cured, so that a plurality of sand cores are locked, and the sand core assembly efficiency and the casting yield are improved.