Filter element welding device for filter station

The utility model provides a filter station filter element welding device which comprises a workbench and a mechanical arm, the mechanical arm is provided with a welding gun, the workbench is provided with a filter element clamping mechanism, the filter element clamping mechanism comprises a fixed clamping seat and a movable clamping seat which are oppositely arranged, and the fixed clamping seat and the movable clamping seat both comprise supporting plates. A vertical bevel gear driven by a motor is arranged on the supporting plate, two-way screws are evenly distributed in the circumferential direction of the vertical bevel gear, one ends of the two-way screws are rotationally connected with the supporting plate, driven bevel gears meshed with the vertical bevel gear are fixed to the other ends of the two-way screws, and inner clamping plates are arranged at the ends, close to the driven bevel gears, of the two-way screws in a sliding mode. And an outer clamping plate is slidably arranged at the other end. T