Sheet-type medium separating apparatus and self-service financial device

A self-service financial equipment, comprising:

• a banknote depositing and withdrawing module configured to allow a user to deposit and withdraw banknotes;
• a conveying passage configured to convey a single sheet of banknotes;
• an identification module configured to identify the banknotes individually;
• and
• a cashbox configured to receive the identified and confirmed banknotes,
• wherein the banknote depositing and withdrawing module comprises a sheet-type medium separating device, and sheet-type medium separating device, comprises:
• a pickup roller assembly configured to frictionally convey one sheet of sheet type medium, in contact with the pickup roller assembly, in a whole stack of sheet-type media;
• a reverse roller assembly configured to block the whole stack of sheet-type media to prevent more than one sheet of the sheet-type media from being frictionally conveyed;
• and
• a separating roller assembly arranged opposite to the reverse roller assembly with a clearance passage being formed between the separating roller assembly and the reverse roller assembly and configured to convey a single sheet of the sheet-type media, and the separating roller assembly configured to provide a conveying power for a single sheet of the sheet-type media conveyed frictionally by the pickup roller assembly;
• wherein the reverse roller assembly comprises a reverse roller, the reverse roller is assembled onto a reverse roller shaft through a one-way bearing, and the reverse roller comprises an inner sleeve fixed to the one-way bearing and a reverse roller jacket sleeved on the inner sleeve and movable axially and elastically,
• wherein an accommodating groove is provided in an outer surface of the inner sleeve in an axial direction, a protruding strip corresponding to the accommodating groove is provided on an inner surface of the reverse roller jacket, and elastic components are respectively provided at two axial ends of the protruding strip to abut against the protruding strip in the case that the protruding strip is accommodated in the accommodating groove.