Classification screening device for artificial diamond production

The utility model discloses a grading screening device for artificial diamond production, which comprises a screening box, the bottom of the screening box is fixedly connected with a box body, the right side of the inner cavity of the box body is fixedly provided with a fan, the output end of the fan is fixedly connected with a first pipeline, and one side of the first pipeline is fixedly connected with an air outlet cover. Dust generated during screening of the inner cavity of the screening box is sucked in through cooperation of the draught fan and the second pipeline, the dust is conveyed to the inner cavity of the filtering box through the third pipeline and the air suction cover and filtered through the filtering net plate, and after filtering is completed, gas is conveyed to the first pipeline through the second pipeline and output through the air outlet cover. According to the screening device, the purpose of automatic dust removal is achieved, and the problems that although an existing screening devic