The invention discloses an automatic cleaning device suitable for a logistics mechanical conveying rail. The automatic cleaning device comprises a conveyor rack; the conveyor rack is provided with a
conveyor belt; a bottom plate, arranged at the conveying
tail end of the
conveyor belt, of the conveyor rack is provided with a penetrating cleaning groove mouth; the position, below the conveyor rackand at the cleaning groove mouth, is fixedly provided with a collection tank; one end, close to the conveying
tail end, of the collection tank is fixedly provided with a cleaning
liquid tank; the position, above the collection tank and on one side of the cleaning
liquid tank, is provided with a liquid spraying
pipe through a bracket; the liquid spraying
pipe is connected with the cleaning
liquid tank through a liquid conveying pipeline; and the position, on one side of the liquid spraying
pipe, of the cleaning liquid tank is fixedly provided with a mounting frame through a lifting cylinder. Inthe automatic cleaning device suitable for the logistics mechanical conveying rail, through the liquid spraying pipe, a sweeping device, a water absorption cotton roll and a
drying device, the
conveyor belt can be automatically and efficiently cleaned; and in addition, a cleaning
brush on the sweeping device and the water absorption cotton roll is convenient to disassemble and change, so that theuse convenience is improved, and the automatic cleaning device is suitable for popularization and use.