Transmission and separation mechanism and cash box

The invention discloses a transmission and separation mechanism and a cash box. The transmission and separation mechanism is applied to the cash box, the cash box comprises a cash carrying plate, thetransmission and separation mechanism comprises a power transmission unit, a driving unit and an unlocking unit arranged between the power transmission unit and the driving unit; when the unlocking unit is engaged with the power transmission unit, the unlocking unit is driven by the driving unit to drive the power transmission unit to move, and thus the cash carrying plate is driven to move; and when the unlocking unit is separated from the power transmission unit, the power transmission unit stops moving. According to the transmission and separation mechanism, compared with the prior art, thepower transmission connection between the cash carrying plate and a motor can be conveniently and quickly separated, and thus a user is facilitated to move the cash carrying plate to the lower part of the cash box to place su