Opening and closing mold easy to replace

The utility model relates to the field of building block brick forming equipment, in particular to an opening and closing mold easy to replace, which mainly solves the problems of poor replacement convenience and poor durability of the opening and closing mold in the prior art, and comprises a mold frame, a mold cavity is arranged on the mold frame, and movable plates are arranged on one transverse side or two transverse sides in the mold cavity. A plurality of embedding grooves are formed in one transverse side face of the movable plate, first connecting holes connected with the embedding grooves in a penetrating mode are formed in the upper surface of the movable plate, a guide assembly and a linear driving assembly are fixedly installed at the positions, corresponding to the movable plate, of the mold frame, the guide assembly is provided with a guide rod, and the linear driving assembly is provided with a push-pull rod; the free end of the guide rod and the free end of the push-pull rod are provided with