Low-pressure casting mold

The utility model belongs to the technical field of pouring molds, and particularly relates to a low-pressure pouring mold which comprises a bottom mold and an upper mold buckled at the top end of the bottom mold, a fixing head is arranged in the middle of the bottom end of the bottom mold, and a mounting hole and a placing hole are formed in the fixing head in a penetrating mode. A pouring pipe is inserted into the mounting hole, and a heating sleeve is arranged outside the pouring pipe in a sleeving manner; a clamping groove is formed in the middle of the bottom end of the upper die and internally provided with a flow dividing head. Four shunting sheets are arranged at the bottom end of the shunting head in an array manner; an annular mounting groove is formed in the top end of the bottom die, an annular mounting frame is arranged in the annular mounting groove, and an annular heat absorbing plate is arranged on an inner opening of the annular mounting frame. A clamping buckle is arranged in the annular mou