Paper money stacking apparatus and paper money processing device

A banknote stacking device, comprising:

• an input mechanism configured to convey banknotes one by one, which comprises an upper conveying belt and an upper conveying rotating shaft configured to drive the upper conveying belt;
• a stacking platform mechanism configured to stack and support banknotes conveyed by the input mechanism one by one, which comprises a platform configured to carry banknotes, wherein the platform and two baffles arranged front and rear in a banknote conveying direction define a space for stacking and storing banknotes, and the platform is controlled by a lifting mechanism to selectively move up and down;
• and
• a pressing and conveying mechanism located above the stacking platform mechanism and configured to press banknotes and convey the banknotes stacked on the platform forward, wherein the pressing and conveying mechanism has a pressing rod, and the pressing rod has one end rotatably arranged on the upper conveying rotating shaft and another end forming a free end and falling freely towards the platform, the rotatable securing end and the free end of the pressing rod are respectively provided with a first concave wheel and a second concave wheel, and a first O-shaped belt is arranged on the first concave wheel and the second concave wheel, wherein the first concave wheel rotates synchronously with the upper conveying rotating shaft.