Dust collector suction nozzle machining mechanism

The utility model relates to a dust collector suction nozzle machining mechanism which comprises a base, a supporting column is fixedly installed at the top of the base, a top plate is fixedly installed at the top of the supporting column, an air cylinder is fixedly installed at the bottom of the top plate, and a pressing block is fixedly installed at the bottom of the air cylinder. Four steel bar columns are fixedly installed at the top of the base, and a containing disc is fixedly installed at the tops of the four steel bar columns. According to the dust collector suction nozzle machining mechanism, through mutual cooperation of the base, the supporting column, the top plate, the air cylinder, the pressing block, the steel bar column and the containing disc, welding operation is needed in the suction nozzle machining process, in the operation process, a workpiece is clamped into the containing disc firstly, then the pressing block is driven to move downwards under starting of the air cylinder, and the weldi