Carton sealing mechanism

The utility model discloses a carton sealing mechanism which comprises an installation frame, a pair of fixing rods are fixedly installed on the top of the installation frame, pressing rods are rotatably installed on the fixing rods, the ends of the pair of pressing rods are rotatably connected with the same idler wheel in a sleeved mode, a pair of lug blocks are integrally formed on a bent part on one side of the installation frame, and the pressing rods and the lug blocks are connected through elastic components. Therefore, the rolling wheel abuts against and presses the carton rocking cover through the elastic component to complete positioning of the sealing position. Through the cooperation of the pressing rod, the rolling wheel and the elastic component, an auxiliary device for replacing manual pressing of a carton shaking cover is formed in front of the sealing feeding end, a safe distance is kept between the hand of a user and the guide plate, potential safety hazards caused by the fact that the hand o