Pin rivet pressing structure

The utility model discloses a pin rivet pressing structure, which relates to the technical field of pin rivet pressing, and comprises a seat main body, a plurality of bases, a plurality of pins and a plurality of pins, and the clamping mechanism is located at the top end of the seat main body, extends to one side of the base and is used for clamping the seat main bodies with different thicknesses. A clamping mechanism is arranged, a telescopic column is pushed to extrude a telescopic spring to contract and move, extrusion to a clamping column is relieved, a reset spring pushes a clamping block to move the interior of the telescopic column, fixing to a transmission column is relieved, a rotating ring is rotated to drive a connecting column to rotate, the connecting column rotates to drive the transmission column to rotate, and the transmission column rotates to drive a first gear to rotate; the first gear rotates to drive the rack plate to move, the rack plate moves to drive the calibration clamping piece to f