Combined casting mold convenient to assemble

The invention discloses a combined type casting mold convenient to assemble, and relates to the technical field of casting molds, the combined type casting mold convenient to assemble comprises a first pressure-bearing assembling mold, a second pressure-bearing assembling mold is installed at the side end of the first pressure-bearing assembling mold, and under the cooperation of an inner positioning locking assembly and a side locking assembly, after a worm and a worm locking piece are firmly meshed, the second pressure-bearing assembling mold is locked; by means of the rotation of a servo driving motor and a worm gear, a sliding top frame continues to slide for a certain distance on the top of an arc-shaped sliding way rail, a butt joint piece and a butt joint buckling groove are connected in an embedded and buckled mode, and then angle rotation of a stress butt joint piece, a front butt joint piece and a connecting column is accurately controlled through stretching and retracting of a miniature electromagn