Pressing rivet jig

The utility model relates to the technical field of rivet pressing, and discloses a rivet pressing jig which comprises a base and a bottom plate, supporting columns are fixedly connected to the four edges of the top of the base, the bottom plate is fixedly connected to the tops of the supporting columns, a first fixing plate is fixedly connected to the top of the bottom plate, and a second fixing plate is fixedly connected to the top of the first fixing plate. The four edges of the top of the first fixing plate are fixedly connected with fixing columns, and the outer edges of the fixing columns are fixedly connected with a first supporting plate. According to the rivet pressing jig, an air pump drives a telescopic rod to move so as to drive a triangular block to move, so that a sliding block is driven to slide towards the two sides, and the sliding block slides so as to drive a connecting block to move, so that a clamping plate on the inner wall of a workbench is driven to slide back and forth; the sliding bl