Rock-like material mold capable of adjusting crack angle and fixing anchor rod position and method thereof

The invention discloses a rock-like material mold capable of adjusting the crack angle and fixing the anchor rod position and a method thereof.The rock-like material mold comprises an upper mold frame, a lower mold frame, a bottom plate, a first connecting frame, a second connecting frame, a first disc and a second disc, and upper mold frame arc grooves are formed in the middles of the four side faces of the bottom of the upper mold frame; lower mold frame arc grooves are formed in the middles of the four side faces of the top of the lower mold frame, first connecting frame arc grooves are formed in the middles of the four side faces of the bottom of the first connecting frame, and second connecting frame arc grooves are formed in the middles of the four side faces of the top of the second connecting frame. Connecting frame inserting grooves matched with the first connecting frame and the second connecting frame are formed in the upper mold frame and the lower mold frame correspondingly, a crack piece inserti