Dust removal device for hydraulic support automatic welding production line

The utility model provides a dust removal device for a hydraulic support automatic welding production line. The dust removal device comprises a first dustproof shell, a first dust collection assembly and a filtering assembly. The first dustproof shell is provided with a first welding space, and the first welding space is used for containing the welding position of a to-be-welded part. The first dust collection assembly is arranged in the first welding space and is close to the welding position of the to-be-welded part; the filtering assembly is provided with a first air inlet and located outside the first dustproof shell, and the filtering assembly communicates with the first dust collection assembly through the first air inlet; under the condition that the to-be-welded part is welded, the first dust suction assembly can suck smoke dust and convey gas containing the smoke dust to the filtering assembly through the first air inlet, and the filtering assembly can convey the filtered gas into the first welding s