Riveting pressure head for riveting mechanism

The utility model provides a riveting pressure head for a riveting mechanism, which comprises a sliding cylinder and a pressure head body, one end of the pressure head body is inserted into the sliding cylinder and can slide up and down along the sliding cylinder, a straight through hole is arranged inside the pressure head body, and an opening at the lower end of the through hole is opposite to achopping board; the side wall of the through hole is communicated with a rivet channel through a side opening, and the side wall of the rivet channel is connected with a high-pressure air pipeline oran air cylinder; the channel section of the rivet channel is in an inverted-T shape, and the rivet channel comprises a wide part on the upper portion and a narrow part on the lower portion. The sideopening is in an inverted-T shape and comprises a wide portion on the upper portion and a narrow portion on the lower portion, the wide portion of the rivet channel is communicated with the wide portion of the side opening, and