Automatic printing device for network transformer

The invention discloses an automatic printing device for a network transformer. The automatic printing device comprises a working table (1), a containing table (2), a printing plate (3) and a brush (4). The containing table (2) is located at the center of the working table (1). The printing plate (3) is located over the working table (1) and parallel to the working table (1), and the top of the printing plate (3) is connected with a lifting rod (5). One end of the brush (4) is connected with a push-and-pull device (6) which is fixed on the top of the fixing plate (3). Through the structure, the lifting rod is utilized to control the printing plate to move, the push-and-pull device is utilized to move the brush, therefore, automatic control is achieved, and labor input is reduced.