Automatic riveting machine

The utility model relates to an automatic riveting machine, which comprises a support frame, a pressure cylinder arranged above the support frame, a movable module which moves up and down under the driving of a pressing cylinder and is connected with the moving end of the pressure cylinder, a static module which is arranged opposite to the movable module, and a transmission mechanism which comprises a T-shaped transmission arm, a first clamping finger and a second clamping finger are arranged at the two tail ends of the transfer arm correspondingly, the first clamping finger is used for transferring a workpiece to be machined to the station table from the input assembly line, and the second clamping finger is used for transferring a completed workpiece to the output assembly line from the station table. The transfer arm grabs and releases the completed workpiece and the workpiece to be machined under the action of the X-axis guide air cylinder, the Y-axis guide air cylinder and the Z-axis guide air cylinder.