Dustproof industrial personal computer

The utility model belongs to the technical field of industrial personal computers, and particularly relates to a dustproof industrial personal computer which comprises a shell. The shell is not provided with a top plate, a cover plate is arranged above the shell, the four edges of the cover plate are connected with vertical plates, and the vertical plates are inserted into the top ends of the side plates of the shell through locking devices embedded in the side plates of the shell; a fan is embedded in the cover plate; an air outlet of the fan downwards penetrates through the cover plate; the filter screen positioned on the lower surface of the cover plate completely covers the fan air outlet; the outer surface of a front side plate of the shell is connected with two sliding rails, and the front side plate of the shell between the two sliding rails is provided with a plurality of interfaces; an automatic recycling reel is mounted in a containing box connected with the outer surface of the front side plate of