Patent ID: 8365632

Claim:
A Cartesian coordinate robot, comprising: a first transmission mechanism; a second transmission mechanism connected to the first transmission mechanism; and a third transmission mechanism connected to the second transmission mechanism; wherein the first transmission mechanism comprises at least one first guide rail, a first slider slidably connected to the at least one first guide rail, and a first driving module driving the first slider; the second transmission mechanism comprises at least one second guide rail substantially perpendicular to the at least one first guide rail, a second slider slidably connected to the at least one second guide rail, a fixing plate connected to the first slider, and a second driving module driving the second slider, the second driving module comprises a motor, a lead screw, and a transmission assembly connected to the motor and the lead screw; wherein the motor and the lead screw are fixed on the fixing plate, and the second slider comprises at least one sliding portion connected to the at least one second guide rail and a moving portion connected to the lead screw; and the third transmission mechanism comprises at least one third guide rail substantially perpendicular to the at least one second guide rail and the at least one first guide rail, a third slider slidably connected to the at least one third guide rail, and a third driving module driving the third guide rail.