Automatic nailing device

The invention relates to an automatic nailing device. The automatic nailing device comprises a nailing machine which is horizontally connected to a transverse beam through a connecting frame, and the connecting frame is composed of a first connecting block and a second connecting block; a connecting plate located on one side of the nailing machine is fixed to the first connecting block, a connecting shaft is arranged at the front end of the connecting plate, a pulling block is connected to one end of the connecting shaft, and a controller used for diving the pulling block to rotate is connected to the other end of the connecting shaft; and a fixing device is arranged at the front end of the second connecting block, and a positioning device is arranged on the fixing device. The automatic nailing device is controlled by the controller, programming is carried out through the controller, and the automatic nailing function of the nailing machine can be achieved; and in addition, the nailing number and the nailing time interval can be controlled according to needs, automation is achieved, the labor intensity of a worker is reduced, and the production efficiency is improved.