Linear guide rail with dustproof function

The utility model relates to the technical field of linear guide rails, and discloses a linear guide rail with a dustproof function. The dustproof assembly comprises installation plates fixedly installed on the front side and the rear side of the guide rail, a top baffle fixedly installed above the installation plates and side baffles fixedly installed on the left side and the right side of the installation plates, the width of the installation plates is larger than that of the sliding blocks, and the dust removal assembly comprises a sliding table fixedly installed above the sliding blocks, a scraping plate fixedly installed on the front side and the rear side of the sliding blocks and a brush fixedly installed on the front side and the rear side of the sliding blocks. The brush head is located on the side, away from the sliding block, of the scraping plate, and the scraping plate and the brush head are both in contact connection with the top wall of the guide rail. The linear guide rail has the advantages o