Pump body casting device

The utility model discloses a pump body casting device which comprises a casting mold rack, a die-casting machine table is installed on the casting mold rack, a mold machine box is installed on the die-casting machine table, a lower mold plate is arranged on the surface of the upper end of the mold machine box, a pump body mold cavity is formed in the mold machine box, and a driving sliding block is installed on the surface of a fixed sliding column. The fixed sliding column is connected with a lifting sliding plate through a driving sliding block, an upper mold plate is installed on the surface of the lower end of the lifting sliding plate, and a radiation heater is installed in the upper mold plate. According to the utility model, the thermoplastic pump shell plastic plate is fixed inside the pump body die cavity, the pump shell plastic plate is heated by the radiation heater to reach the softening temperature after the upper die plate and the lower die plate are used for die assembly, and then air between