The invention discloses a bottom
welding slag water-cooling collection type automobile sheet
metal part
welding device which comprises a self-suction transverse moving type water-cooling
welding assembly, a turnover type intermediate intervention type
grinding assembly and a turnover driving and fixing
assembly. The invention belongs to the technical field of automobile sheet
metal welding, and particularly relates to a bottom welding
slag water-cooling collection type automobile sheet
metal part welding device which is efficient, energy-saving, convenient to operate and high in integration level. Under the condition that no water pump or driving unit exists, the siphonic effect principle and the pneumatic and
hydraulic structure principle are combined, a large amount of
carbon dioxide generated by
dry ice gasification is utilized to pressurize a
refrigeration box, and cooling water can be quickly conveyed into a
siphon after the air pressure in the
refrigeration box is increased, so that passive conveying of the cooling water is realized under the condition of no mechanical power source, by merely depending on a single driving unit, the
grinding, transverse moving, cooling and dust falling functions of the turnover follow-up type reverse
grinding device are achieved, use of some unnecessary driving units is avoided, and the effects of
energy conservation and emission reduction are achieved.