Slider of 3D printer

The utility model provides a slider of 3D printer, including being used for driving the slide loose pulley assembly of usefulness of slide, loose pulley assembly includes outer shell, the upper bearing, lower bearing, the upper bearing is connected in outer shell with lower bearing position, be equipped with the connection bush of taking the mounting hole in the outer shell, the outer fringe of connecting the bush is equipped with the supporting and connects at the upper bearing, the protruding edge of connection that the part was used is connected to the bearing down, the realization is whenthe assembly is used, the pressure of bolt and screw installation is connected that the bush is born and no longer is used in the inner circle of upper bearing and time bearing, the reduction effectively reduces bearing inner race and bears great axial pressure, reduce accessories processing requirement, it is more reliable and more stable to enable the assembly again, the qualification rate of improving production. 本实用新型