The application provides an automatic pin type
arc welding device, which comprises a handheld
welding gun and an external device, the handheld
welding gun is provided with a shell, one end of the shell is provided with a first clamping groove, an
electromagnet lifting
assembly is arranged, the
electromagnet is provided with an iron core, the other end of the
electromagnet is provided with a spring, one end of a first pneumatic
assembly is provided with a linear bearing, a distribution
assembly is arranged, the distribution assembly is provided with a connecting
pipe, one side of the connecting
pipe is provided with a notch, the notch is provided with a connecting sleeve, the upper side of the connecting sleeve is provided with a first feeding
pipe, and the first feeding pipe, the connecting pipe and the connecting sleeve are communicated. The automatic pin type
arc welding device is used, continuous automatic supply and
welding of the pin are realized, the welding
rhythm is doubled compared with the traditional manual operation, and the production efficiency and the
automation level of the pin welding of the inner wall of the boiler are significantly improved.