Welding fume purifier assembly

The utility model belongs to the field of welding fume purifiers, and particularly relates to a welding fume purifier assembly which comprises a bottom plate, a stand column is welded to the bottom plate, an air suction arm is arranged on the stand column, a suction pipe is fixedly connected to the stand column, a control box is fixedly installed on the suction pipe, and an adjusting mechanism is arranged in the suction pipe. Universal wheels are arranged on the control box, and a limiting mechanism is arranged on the control box. By arranging the supporting disc, the plug, the connecting rod, the compressed spring, the sliding rod, the spacer sleeve, the guide groove, the threaded ring and other structures, the threaded ring and the suction pipe are rotated to do threaded motion, then the distance between the plug and the supporting disc can be adjusted, the size of the gap between the plug and the supporting disc can be adjusted, the suction speed of the device is adjusted and controlled, and the suction ef