Wall tile joint filling device

The utility model discloses a wall tile seam filling device which comprises a box body, a cavity is formed in the box body, an electric telescopic rod is installed in the middle of the upper end of the box body, the output end of the electric telescopic rod penetrates into the box body to be connected with a push plate, the push plate is located in the cavity of the box body, and the bottom of thebox body is connected with a mounting plate. The two sides of the lower end of the box body are connected with discharging hoses respectively, the interior of the mounting plate is hollow, the discharging hoses are located in the mounting plate, and a sliding groove is further formed in the lower end of the mounting plate; according to the ceramic tile seam beautifying machine, seam beautifying filling of two groups of ceramic tile seams can be completed at a time, the working time is shortened, the seam beautifying efficiency is improved, the distance between the extrusion heads can be adjusted to adapt to ceramic t