File binding device

The utility model belongs to the technical field of file binding, and particularly relates to a file binding device which comprises a supporting bottom plate, a supporting mechanism is arranged above the rear end of the supporting bottom plate, a lifting mechanism is connected to the front portion of the supporting mechanism, and a punching binding mechanism is installed in the lifting mechanism. And a moving mechanism is arranged above the front end of the supporting bottom plate. One end of a file is tidied through the two supports, and the end, needing to be punched and bound, of the file can be tidied automatically; a binding cord is installed through a through hole in the bottom of a needle head, a movable rod and a push rod control an installation rod to drive the needle head rotationally connected with the installation rod to synchronously move downwards, and at the moment, in the process that the needle head moves downwards to punch files, a fixing column can drive the needle head to move downwards an