The utility model relates to a hot air table for
machining a stepping motor driver, and belongs to the technical field of hot air
welding, the hot air table comprises a main
machine and a hot air gun connected with the main
machine, the hot air gun comprises a gun body and an air outlet
pipe, the gun body is provided with an air
nozzle replacement mechanism, and the air
nozzle replacement mechanism comprises a rotating sleeve, a center rod and a rotating
pipe; one end of the center rod is fixed to the gun body, the center rod is parallel to the air outlet
pipe, the rotating pipe is rotationally connected to the center rod, and an air
nozzle assembly is installed at the position, close to the outlet end of the air outlet pipe, of the rotating pipe. According to the air nozzle replacing mechanism, the air nozzle replacing mechanism is installed on the gun body,
welding point positions of different sizes can be conveniently welded through different air outlet nozzles according to needs, various
welding requirements can be met, the welding quality can be improved, and the welding efficiency can also be improved.