Patent ID: 9573220
Date: 2017-02-21
CPC Classifications: B23K

Claim:
1. A spot welding apparatus, comprising: a bracket configured to be mounted on an arm of a robot; an upper and lower moving unit including a slider that is provided at one side of the bracket, the slider configured to move vertically by actuation of an actuator; an upper welding gun mounted on the slider, wherein the upper welding gun includes a first welding tip that protrudes in a longitudinal direction of a front end of the arm and a second welding tip that protrudes in a downward direction; a left and right moving unit installed at one side of the upper welding gun to horizontally move the upper welding gun by actuation of the actuator; and a lower welding gun mounted to correspond to a lower side of the upper welding gun, wherein the first and second welding tips of the upper welding gun are spaced apart from each other at about 90°.