The invention discloses a clamping piece automatic butt-joint die feeding mechanism. The clamping piece automatic butt-joint die feeding mechanism comprises a machine frame and a die circulating moving assembly arranged on the machine frame; the clamping piece automatic butt-joint die feeding mechanism is characterized in that the mechanism further comprises a set of clamping piece feeders, a linear vibrator and a clamping piece die feeding support; a first clamping piece guide groove, a second clamping piece guide groove, a third clamping piece guide groove and a fourth clamping piece guide groove are formed in the outer side wall of the clamping piece die feeding support; a first guide plate is formed between the first clamping piece guide groove and the second clamping piece guide groove; a second guide plate is formed between the third clamping piece guide groove and the fourth clamping piece guide groove; a third guide plate is formed between the second clamping piece guide grooveand the third clamping piece guide groove; the lower end of the first guide plate and the lower end of the second guide plate form protrusions correspondingly; a die feeding cylinder is arranged on the third guide plate; and a distribution pressing block is arranged at the output end of the die feeding cylinder. Through the clamping piece automatic butt-joint die feeding mechanism provided by theinvention, automatic die feeding of ticket clip clamping pieces is achieved, the labor intensity is relieved, and the production efficiency is improved.