Ash scraping and dust removing device for plate processing

The utility model discloses a dust scraping and removing device for plate processing, which relates to the field of wood processing equipment and comprises a conveying table, a rack is arranged above the conveying table, the top of the rack is connected with a first dust suction device and a second dust suction device in a bridging manner, and the first dust suction device and the second dust suction device are driven by a driving air cylinder to move in a reciprocating manner; a rotating roller with bristles is arranged at the conveying tail end of the conveying table. The first dust collection device and the second dust collection device which are different in dust collection direction are arranged at the top of the rack, the driving air cylinder is used for driving the dust collection devices to push the dust collection devices from front to back to collect dust of a whole plate, meanwhile, the bristles are arranged on the rotating roller arranged at the conveying tail end, on one hand, dust difficult to b