Single axis robot

A single axis robot comprising:

• a frame;
• a driving mechanism coupled to the frame;
• a guiding mechanism coupled to the driving mechanism and configured to be linearly driven by the driving mechanism, the guiding mechanism comprising:
• a platform coupled to the driving mechanism,
• a guiding frame mounted on the platform,
• a first guiding roller and two second guiding rollers arranged spaced and parallel to each other on the guiding frame, the second guiding rollers positioned at opposite sides of the first guiding roller, the first guiding roller comprising a shaft and a rotatable portion rotatably sleeved on the shaft, the shaft having a first inclined surface at each end thereof, and
• an adjusting assembly comprising two adjusting blocks respectively positioned at opposite ends of the shaft and at least one adjusting member, the at least one adjusting member adjustably coupled to the guiding frame and fixed to the corresponding adjusting block, each adjusting block having a second inclined surface resisting the first inclined surface;
• and
• a hermetic band coupled to the frame and winding on the first guiding roller and the second guiding rollers to seal the frame.