Injection molding device with anti-leakage mechanism for plastic products

The utility model relates to the technical field of plastic product production, and discloses an injection molding device with a leakproof mechanism for plastic products, which comprises a molding base and an injection molding plate mounted at the upper end of the molding base, a mold box and a fixed cavity formed on the upper surface of the mold box are arranged at the upper end of the molding base; a plurality of racks A are arranged at the lower end of the striker plate, a lifting rod connected with the injection molding plate is arranged on the outer side of the striker plate, a rack B is arranged at the lower end of the lifting rod, and the rack B is in transmission with the rack A through a rotating gear installed on one side in a meshed mode. The rack B drives the rotating gear to rotate, then the rack A is driven by the rotating gear to ascend, the material blocking plate installed at the upper end is pushed upwards to ascend into the lifting groove, internal injection molding glue can be effectively