Adjustable secondary pouring formwork

The utility model relates to an adjustable secondary pouring formwork, and belongs to the technical field of formwork engineering. The formwork comprises a front set of formwork fixing frames and a rear set of formwork fixing frames which are connected through split bolts, formwork movable ends are installed on the two sides between the two sets of formwork fixing frames through formwork fixing clamps respectively, and formwork adjusting plates are installed on the formwork movable ends through adjusting plate fixing clamps. The adjustable secondary pouring formwork can be effectively applied to secondary pouring of various steel structure concrete foundations with the side length ranging from 0.5 m to 1 m, the utilization rate and the turnover rate of the secondary pouring formwork are improved, consumption of wood formworks and generation of solid waste are reduced, and the adjustable secondary pouring formwork is simple in installation mode, convenient to use, economical and practical. The size of the form