Plastic pipe welding device for building construction

The utility model discloses a building construction plastic pipe welding device which comprises a welding device body, a heating base is installed on the front portion of the welding device body, a hot melting terminal is installed on the front portion of the heating base, a fixing mechanism is installed at the bottom of the heating base, and a heat absorption mechanism is installed on the periphery of the hot melting terminal. The fixing mechanism comprises a bottom plate, a clamping plate is fixedly installed at the position, close to the rear end, of the top of the bottom plate, a limiting groove is formed in the front portion of the clamping plate, first clamping grooves are formed in the positions, close to the bottom end, of the two sides of the heating base correspondingly, and a clamping base is fixedly installed at the rear portion of the clamping plate. According to the plastic pipe welding device for building construction, supporting and fixing of the welding device body are facilitated, manual sup