Paper sheet pick up device

摘要

A pick up device for paper sheets includes an input unit (51) configured to support a plurality of paper sheets in a stacked manner, a supply mechanism (2) configured to move the placed paper sheets in a stacking direction and supply each paper sheet to a pick up position, a pick up mechanism (56) configured to pick up the paper sheet at the pick up position from the input unit one by one, and a control unit configured to determine a supply speed or a feed amount of the paper sheets by the supply mechanism in accordance with thickness information of the picked up paper sheets obtained from a thickness detector (120), and configured to determine whether the supply mechanism is to be operated or stopped based on density information of the paper sheets obtained from a paper sheet sensor (122).