Dust collection frame

According to the dust collection frame, a plurality of polar plates are arranged on a base, a high-voltage supporting rod and a grounding supporting rod completely penetrate through the polar plates, and a plurality of high-voltage conducting rings are connected to the high-voltage supporting rod in a sleeving mode, equally abut against the two sides of odd-numbered polar plates in the polar plates and do not make contact with even-numbered polar plates in the polar plates. A plurality of grounding conducting rings are sleeved on the grounding support rod, equally abut against the two sides of the even pole plates in the plurality of pole plates and are not contacted with the odd pole plates in the plurality of pole plates; a plurality of conducting ring insulating sheets are sleeved on the outer side of the high-voltage conducting ring/grounding conducting rings and equally abut against the two sides of the plurality of pole plates; the tungsten filament group is fixedly mounted on the base and is perpendicu