Edge ironing device for PVC lamp box fabric

The utility model provides a PVC lamp-box fabric edge ironing device, which comprises a front plate and a rear plate, a stretching mechanism, an edge trimming mechanism and an edge ironing mechanism are sequentially arranged between the front plate and the rear plate along the conveying direction of the PVC lamp-box fabric, the stretching mechanism comprises a stretching transverse plate, an air cylinder, a stretching connecting plate and a pressing plate, the edge trimming mechanism comprises a front edge trimming piece set and a rear edge trimming piece set which are symmetrically arranged on the front plate and the rear plate, the edge ironing mechanism comprises a front edge ironing piece and a rear edge ironing piece which are symmetrically arranged front and back, and the front edge ironing piece comprises an edge ironing cavity, a placement table and a flattening roller. The edge ironing device has the advantages that the distance between the front edge ironing piece and the rear edge ironing piece can