Glue brushing machine for outer surface of bush blank of trailer and use method thereof

The invention discloses a glue brushing machine for outer surface of a bush blank of a trailer and an use method thereof. The glue brushing machine comprises a working box body, wherein the interior of the working box body is internally provided with a motor and an air compressor, the upper surface of the working box body is provided with a gear box body with a cylinder stretchable channel, the motor drives a transition gear to rotate and is meshed with a first gear and a second gear, rotating shafts on the first gear and the second gear are fixedly provided with rollers extending towards thefront portion, a bush blank feeding channel with a material falling groove is arranged on the side wall of the front side of the gear box body, a support is arranged on the front side of the gear boxbody, and an inclined first brush is arranged on the support, an extension arm is arranged at the upper portion of the gear box body, a glue outlet valve is arranged at the end part of the extension arm, the side wall of the r