Electric folding door

The utility model provides an electric folding door which comprises an upper wheel set (30) and a lower wheel set (40), the upper wheel set (30) is provided with a first wheel pair (31) and a second wheel pair (32), and the first wheel pair (31) and the second wheel pair (32) are provided with horizontal rotating axes and are rotatably arranged in a limiting groove (102) of an inner sleeve (103); the lower wheel sets (40) are installed at the lower end of the second left door plate (22) and the lower end of the second right door plate (24) and matched with the lower slide way (12), the lower wheel sets (40) comprise lower wheels (42), and the lower wheels (42) are provided with vertical rotating axes and are rotatably arranged in the lower slide way (12). The electric folding door can be limited by the upper wheel set and the lower wheel set in the sliding ways in the horizontal dimension and the vertical dimension, so that shaking is reduced in the whole rotating process, and the stable operation capacity is