US Patent 9873583 Banknote stacking device

A banknote stacking device includes a piece-by-piece banknote conveying mechanism, an upper conveyor belt, an arc-shaped stacking plate, a movable blocking mechanism, a sensor device, and a control unit. An elastic sheet is arranged on the arc-shaped stacking plate at a position for stacking banknotes, an end of the elastic sheet is fixed on the arc-shaped stacking plate, and a free end of the elastic sheet extends in a direction opposite to the conveying direction of the banknotes, the extending segment of the elastic sheet forms an arch and is configured to elastically support the upper conveyor belt, and a through-groove is provided in the arc-shaped stacking plate at a position corresponding to the elastic sheet, and the free end of the elastic sheet is configured to extend and retract freely in the through-groove.