Quality control method for heat insulation end socket of winding shell

The invention relates to the technical field of curing rocket engine forming, and discloses a winding shell heat insulation end socket quality control method which comprises the following steps: marking and partitioning the surface of a heat insulation end socket core mold, and knocking by using a sharp object to expose a gas pit; the air pits are checked, the surface layers of the air pits are knocked off, and then the air pits are filled with an enhancer; performing visual inspection on cracks, bulges and pits on the heat insulation end socket core mold, and performing integral manual coating and scraping on the surface of the heat insulation end socket core mold by adopting a reinforcing agent; after repairing is completed, natural airing and curing are conducted, and the airing time is longer than or equal to 72 h till the reinforcer is completely cured; polishing the surface of the repaired heat insulation end socket core mold by using paper; and floating dust and redundant materials on the polished surf