Tail box lining demolding structure

The utility model discloses a tail box lining demolding structure which comprises an upper mold body, a lower mold body is arranged at the bottom of the upper mold body, a hot runner is arranged at the bottom of the lower mold body, two groups of rear grooves are formed in the top of the lower mold body, lower fixing seats are arranged in inner cavities of the grooves, and the lower fixing seats are arranged in the inner cavities of the grooves. A sliding block is arranged in an inner cavity of the lower fixing base, an ejector rod is arranged on the top of the sliding block, and an inclined ejector block is arranged on the top of the ejector rod. According to the tail box lining demolding structure, after a tail box lining is formed and cooled, an upper ejector plate and a lower ejector plate move upwards, meanwhile, a lower fixing base in a groove is driven to move upwards, and meanwhile, a sliding block moves upwards and outwards, so that ejector rods and inclined ejector blocks move in the inclined direct