Surface spraying replaceable base

The surface spraying replaceable base comprises a fixing plate, an adjusting plate and a base table, the adjusting plate is horizontally arranged over the fixing plate, through holes are formed in themiddles of the two sides of the top face of the adjusting plate, two sliding holes are symmetrically formed in the two sides of the top face of the adjusting plate, and an inserting hole block is vertically fixed to the middle of the top face of the adjusting plate; sliding groove blocks are symmetrically fixed to the two sides of the top face of the adjusting plate, limiting hole plates are horizontally fixed to the end faces of the outer sides of the sliding groove blocks, the base table is slidably installed on the top face of the adjusting plate, an inserting rod is horizontally arrangedin the middle of the bottom face of the base table, the front end of the inserting rod is fixed to the front end face of the base table, and the inserting rod is inserted into the inserting hole block. Sliding blocks are symme