The utility model discloses a
metal door surface treatment device, including the treatment platform, the both ends inner wall rotation of treatment platform front recess is connected with first
threaded rod, one end outer wall fixed mounting of treatment platform has first motor, and the output shaft of first motor is fixedly connected with one end of first
threaded rod, and the outside of first
threaded rod is equipped with two groups of opposite output's thread groove, and the thread groove outside is connected with
mobile station, and the both sides of
mobile station and located the outside fixed connection of first threaded rod has ring cover, and the inboard fixed mounting of ring cover has the ring cleaning
brush for cleaning first threaded rod. The utility model discloses through first
motor drive first threaded rod rotation makes two
mobile station along first sliding rod and moves to adapt to different width
metal door, and the runner reduces friction, and the roller position prevents deviation, and ring cleaning
brush continues to clean the surface
impurity of first threaded rod simultaneously, thereby improves the
processing efficiency, quality and equipment operation stability.