Backflow prevention device for the counter currency blower

摘要

Disclosed is a bill counter equipped with a device for preventing the backflow of dust. A bill counter having a conveying means for counting a plurality of bills each sheet and a main body for blocking the conveying means from external impact and foreign matter, wherein the conveying means counts dust generated during conveying to count bills. It is disposed lower than the position of the conveying means so as to discharge to include a banknote counter having a cochlear centrifugal blower for discharging foreign matter and dust in the body to the outside disposed on the outer peripheral surface of the main body. A blower for discharging dust to the outside is disposed to provide a bill counter that can be used semi-permanently by arranging a cochlea for discharging foreign matter in one direction.