Embedded channel welding tool

The invention discloses a pre-buried channel welding tool which comprises a welding platform, two fixing side plates are installed on the welding platform, a plurality of conveying rollers are rotationally connected between the two fixing side plates, a welding robot is installed on the welding platform, a channel conveying mechanism is arranged on the welding platform, and the channel conveying mechanism is connected with the welding robot. A suspender conveying mechanism is arranged on the welding platform, and an adjusting and positioning mechanism is arranged on the welding platform; the channel conveying mechanism comprises a power push rod, a [-shaped bracket, a fixed support plate, a guide slide rod, a rectangular guide block and a rotary conveying part; and the suspender conveying mechanism comprises a suspender conveying table, a fixed guide plate, two clamping plates, a bearing seat, a double-thread screw rod, a rotating knob, a suspender moving part and a suspender positioning part. The device has