Sliding block guide structure

The utility model relates to a sliding block guide structure which comprises a sliding block, a first installation portion and a second installation portion are adjacently arranged on the side face, making contact with a guide plate, of the sliding block, the first installation portion is provided with a first rolling block, and the second installation portion is provided with a second rolling block, an installation plate and an adjusting plate which are sequentially connected. The second rolling block is vertically arranged on one side of the first rolling block through a mounting plate, the mounting plate is adjustably arranged on one side of the adjusting plate, and two guide contact surfaces which are perpendicular to each other and are in sliding contact with the guide plate are formed between the first rolling block and the second rolling block; and the distance between the guide contact surface of the second rolling block and the guide plate is adjusted by adjusting the distance between the adjusting p