Thermal transfer printing banner machine

The utility model discloses a thermal transfer printing banner machine, which relates to the technical field of banner machines, and comprises a banner machine main body, an operating platform is fixedly arranged below the banner machine main body, a thermal transfer printing device is fixedly arranged at the front end of the operating platform, and an automatic winding device is arranged below the operating platform. A heat dissipation leveling device is arranged between the heat transfer printing device and the automatic winding device, and the automatic winding device comprises a motor, a rotating shaft, a rotating shaft sleeve, a winding roller, a rotating shaft sleeve supporting plate and a spring. The automatic winding device is installed, the motor drives the rotating shaft to rotate, the winding roller is clamped on the surface of the rotating shaft through the external limiting block and the internal limiting strip, the effect of winding the banner is achieved, the rotating shaft sleeve supporting pl