The invention discloses a welding device for facilitating feeding. The welding device for facilitating feeding comprises a box body; side fan boxes are arranged at the two ends of the box body; two bottom sliding strips are arranged on the inner side of the box body; a sliding mounting platform is arranged on the upper end face of the bottom sliding strips; a first adjusting rod is arranged on theinner side of the upper end of the sliding mounting platform; a sliding adjusting base is arranged on the inner side of the lower end of the sliding mounting platform; a second adjusting rod is arranged on the inner side of the sliding adjusting base; two clamping springs are arranged on the upper end face of the sliding adjusting base; a clamping block is arranged at one end of each clamping spring; a welding protective plate is arranged above the clamping block; four connecting springs are arranged on the upper end face of the welding protective plate; a welding limiting sleeve is arrangedon the upper end face of the connecting spring; and electric soldering iron is arranged on the inner side of the welding limiting sleeve. Pins are positioned and welded, so that the welding efficiencyis improved, welding accuracy is achieved, a tin soldering head is automatically cut and unchanged of the melting point is guaranteed.