Laser cladding equipment and method for repairing parts

The invention provides laser cladding equipment for component repair, the equipment comprises a six-axis robot system, a weld joint guiding system, a coaxial powder feeding type laser cladding system and a PLC (Programmable Logic Controller) master control system, the coaxial powder feeding type laser cladding system is mounted on the weld joint guiding system; the six-axis robot system comprises a six-axis robot body and a robot control cabinet, and a welding seam guiding system is fixedly mounted at the front end of the six-axis robot body through a connecting plate; the welding seam guiding system comprises a front end ceramic guiding body, a six-dimensional force sensor, a Y-direction motion compensation device, a Z-direction motion compensation device and a welding seam guiding system controller. On one hand, the problems that in the process of repairing the gas turbine impeller blade cracks through conventional laser cladding, the cladding track is difficult to keep consistent with the cracks, and the c