Paper feeding mechanism

A paper feeding mechanism, comprising:

• a pickup mechanism mounted to a shell, the pickup mechanism including a pickup motor having a rotating roller, a pickup roller driven by the pickup motor, and a pickup wheel mounted around the pickup roller;
• a transporting mechanism mounted to the shell, the transporting mechanism including a transporting motor, at least one transporting roller driven by the transporting motor, a plurality of transporting wheels mounted around the transporting roller, and a transporting gear mounted to one end of the transporting roller;
• a separation mechanism mounted to the shell and driven by the transporting motor, the separation mechanism including a separation roller, a separation gear mounted to one end of the separation roller, and a separation wheel mounted to the other end of the separation roller;
• and
• a one-way clutch mechanism mounted to the shell, the one-way clutch mechanism including a one-way axle, a wiggling arm, a restoration elastic element and a releasing gear, the one-way axle passing through one end of the wiggling arm, the rotating roller of the pickup motor passing through the one-way axle to fasten the one end of the wiggling arm to the rotating roller of the pickup motor, the other end of the wiggling arm being rotatably mounted to the shell, the restoration elastic element being fastened between the wiggling arm and the shell, the releasing gear being mounted to the other end of the wiggling arm, and engaged with the transporting gear and the separation gear.