Accounting document binding device

The invention relates to the technical field of special accounting devices, in particular to an accounting document binding device. The device comprises a shell and a controller, wherein a paper feeding box, a document conveying mechanism and a rotating disc are arranged in the shell; guide grooves and trays are arranged on the rotating disc, electric lead screw sliding block mechanisms are arranged in the guide grooves, electromagnetic hook latches are arranged on sliding blocks of the electric lead screw sliding block mechanisms, and buckling parts are arranged at the bottoms of the trays; and a pressing strip capable of moving up and down are arranged on the outer edge of the tray beside a hinge shaft, a plurality of edge sealing assemblies installed right facing the outer edges of thetrays are further arranged on the outer side of the rotating disc, the sides, close to the outer edges of the trays, of the edge sealing assemblies are sunken inwards to form accommodating cavities capable of accommodating th