Weldability testing machine

The utility model relates to the technical field of welding test equipment, in particular to a weldability testing machine. Comprising a control box, a first positioning mechanism arranged on the control box, a second positioning mechanism arranged on the control box, a soldering furnace detachably connected to the control box, a soldering flux box detachably connected to the control box, a supporting frame arranged on the control box, a translation air cylinder arranged on the supporting frame and a translation seat arranged on a piston rod of the translation air cylinder. The lifting driving mechanism is arranged on the translation base, the connecting arm is connected with the output end of the lifting driving mechanism, the fixing jig is connected to the bottom end of the connecting arm, the translation air cylinder and the lifting driving mechanism are both electrically connected with the control box, and the fixing jig is located above the soldering tin furnace or/and the soldering flux box. According t