The invention discloses a rivet installation device for an automatic travel switch accessory assembly machine. The rivet installation device comprises a rivet installation platform installed on a working table; a rivet installation slide cylinder, a horizontal rotating cylinder, a vertical rotating cylinder fixing plate, a vertical rotating cylinder installation plate, a vertical rotating cylinder and a rivet installation clamping jaw cylinder are sequentially installed on the working table of the rivet installation platform from top to bottom; a rivet installation lifting cylinder is installed on the rivet installation platform; a rivet installation clamping and limiting component is installed on the rivet installation lifting cylinder; a rivet installation support frame is also installed on the working table; a rivet installation fixing plate is installed on the rivet installation support frame; and a rivet installation driving motor is fixed on the rivet installation fixing plate. Full-automatic feeding and assembling of workers can be replaced by the device; the efficiency is high; the rejection rate is low; a lot of time and resource waste can be saved; furthermore, the device can be operated continuously; and thus, the working efficiency is greatly increased.