Belt of 3D printer

The utility model discloses a belt of 3D printer, include from the driving wheel fixed slot, first from driving wheel, an upper fixed plate, first fixed axle, second from the driving wheel, third fromdriving wheel, spacing, fixed axle conversion groove, second fixed axle, action wheel and bearing, be provided with limiting gear on an upper fixed plate's the front surface, limiting gear's front side is provided with the first driving wheel of following, first one side from the driving wheel is provided with first fixed axle. The rain hat is advantaged by scientific and reasonable structure, convenient use and safety, the spacing tooth of race and belt has been set up, can improve driven precision, spacing has been set up, can prevent that the belt from taking place the dislocation at the transmission in -process, non -slip raised has been set up, can prevent that the belt from taking place to skid at the transmission in -process, this design simple to operate, and convenient use, usingcost is reduced, driven p