Pre-feeding mechanism of film laminating machine

The utility model relates to a pre-feeding mechanism of a film laminating machine, which comprises a film laminating machine main body, a rack, a first transmission assembly and a cart, and the rack is fixedly arranged at one end of the film laminating machine main body; the first conveying assembly comprises a first conveying belt arranged on the rack, a first driving roller, a first driven roller and a first driving source used for driving the first driving roller to rotate, the first driving roller and the first driven roller are rotationally arranged at the two ends of the rack correspondingly, and the first conveying belt is connected to the first driving roller and the first driven roller; wheels of the cart can make contact with the top wall of the first conveying belt, and a second conveying assembly is arranged on the film laminating machine body. When a printed matter is moved to the feeding mechanism of the film laminating machine body, a worker starts the first driving source, the first driving so