Rotational molding mould for leak-proof conveying barrel

The utility model relates to rotational molding equipment. A rotational molding mould for a leak-proof conveying barrel comprises a mould rack, a hollow cylindrical lower mould arranged on the mould rack, an upper mould bucked on the lower mould in a matched manner and a clamp between the lower mould and the upper mould, wherein the clamp comprises an n-shaped clamping seat, and a puller bolt arranged on the clamping seat and used for compaction; an air outlet is formed in the top of the upper mould; an inclined lug boss and an inclined groove which are matched are arranged at the peripheral joint of the upper mould and the lower mould; a thread form block and a positioning ring used for fixing the thread form block are arranged at the top of the upper mould; an internal thread is formed in the middle of the thread form block. The rotational molding mould is simple in structure and reasonable in design, the overall performance of the equipment can be effectively ensured, and the requirement on the safety performance of conveying high-risk articles can be achieved.