Automatic conductive paste brushing device for guide rail

The utility model provides a guide rail conductive paste automatic brushing device which comprises a vehicle body and a front supporting wheel and a rear supporting wheel arranged at the lower end of the vehicle body, a material box is arranged at the upper end of the vehicle body, a brush roller is arranged below the material box, arranged in the vehicle body and rotationally connected with the inner side wall of the vehicle body, and the two ends of the brush roller are matched with the front supporting wheel through a coupling mechanism arranged on the outer side of the vehicle body. And a liquid guide pipe fitting and a spraying pipe fitting are arranged at the lower end of the material box. Compared with a traditional brushing device, the brush roller, the liquid guide pipe fitting and the spraying pipe fitting are arranged on the lower portion of the vehicle body, when the vehicle body moves, the front supporting wheels drive the brush roller to rotate so that working faces of all parts of a guide rail