Mold opening structure of injection mold

The utility model relates to the field of injection molds, and discloses an injection mold opening structure which comprises an upper base, sliding seats are fixedly connected to the left side and the right side of the upper base, sliding pieces are slidably connected to the interiors of the sliding seats, the sliding pieces are connected with the front sides and the rear sides of the sliding seats through springs, and sliding grooves are formed in the bottom ends of the outer walls of the sliding pieces. And inserting bolts are arranged at one ends of the sliding grooves, the other ends of the inserting bolts sequentially penetrate through the middle ends of the sliding grooves and the bottom ends of the sliding pieces, lower bases are arranged on the close sides of the two sliding grooves, and the two sliding grooves are connected to the outer walls of the left sides and the right sides of the lower bases through first bolts. According to the utility model, the upper base and the lower base can be connected