Paper supply device and a method for using the same

A paper supply device and a method for using the same are disclosed, the paper feeding device comprises a box body, the box body is fixedly provided with a discharge cavity with an opening facing upward, left and right symmetrical splints are rotatably arranged on that rear end wall of the discharge cavity, a plurality of paper cylinders arranged in an arrangement are arranged between the splints,a rotating cavity is communicated with the front end surface of the discharge cavity, a link rod arranged in that rotating chamber is rotatably arranged on the front end surfaces of the splints, theconnecting rods are rotatably arranged with each other, a movable lever located in the rotating chamber is rotatably arranged with the connecting rod, the movable rod is fixedly provided with an innercavity with an opening facing downward, a vertical bar fixed to the lower end wall of the rotating cavity is slidably arranged with the inner cavity, the device has simple structure and convenient use, and adopts a cam-type mo