Powder curing oven structure is investigated in this article.Purpose is to realize the hoisting structure of the conveying system to be placed outside the curing foven.The steel structure of the hoisting and conveying system of the curing oven is kept in the normal temperature state in the workshop during the heating and working process,so as to reduce the energy consumption and the heat waste of the curing Oven.The optimized structure is mainly composed of flexible connection components and flexible sealing components,which are simple,reliable,compact,and can realize thermal expansion and contraction compensation,with a high degree of flexibility.Combining with the principle of stack ventilation,calculation of energy consumption is compared before and after structure optimization.The structure has low material cost and maintenance cost,it can significantly improve energy utilization in applications.