Hot melting socket welding machine

The invention discloses a hot melting socket welding machine which comprises a machine frame, a positioning mechanism installed on the machine frame, a welding mechanism installed on the machine frame and a welding control system electrically connected with the welding mechanism, wherein a first guide rail is arranged on the machine frame, and the welding mechanism comprises a support which is arranged on the first guide rail in a matched mode and can move back and forth along the first guide rail, a heating unit arranged in the support, a drilling tool arranged in the support and a tube base clamp arranged in the support; the positioning mechanism is located on one side of the welding mechanism; and the tube base clamp is located between the drilling tool and the heating unit. The hot melting socket welding machine is suitable for hot melting socket welding of nuclear-grade HDPE water spraying tube rows, and the nuclear-grade quality assurance requirements are met. 本发明公开了一种热熔承插焊机，包括机架、安装在所述机架上的定位机构、安装在所述机架上的