Auxiliary tool for tiling waterproof roll and pasting waterproof roll at internal and external corners

The utility model discloses an auxiliary tool for tiling waterproof coiled materials and pasting the waterproof coiled materials at internal and external corners. The first roller is hinged to the handheld rod through a first connecting rod, and the first roller is hinged to the first connecting rod; the second roller is hinged to the handheld rod through a second connecting rod, and the second roller is hinged to the second connecting rod; wherein the hinging axes of all the hinging positions are arranged in the same direction, and the rolling direction of the first roller, the rolling direction of the second roller and the direction of the hinging axes are arranged in the same direction; a corner rolling position is arranged between the first roller and the second roller, at the corner rolling position, the angle formed between the first roller and the second roller is the same as the angle of the corner of the wall corner, and the first roller and the second roller can move in the length direction of the c