Cool off welding jig fast

The utility model provides a cool off welding jig fast, includes the weldment work platform, and the weldment work platform includes the fixing base, rotates the sliding seat of connecting on the fixing base, is fixed with the stand in fixing base and the sliding seat respectively, is fixed with the horizontal pole on the stand, and slidable mounting has slide bearing on the horizontal pole, and the check nut who fixes the work piece is installed to the last screw rod that is fixed with of slide bearing on, fixing base and sliding seat are hollow structure, and fixing base internal connection has the inlet tube, and the inlet tube outer end is connected with the water pump, and in the water tank was arranged in to the water pump, inside the fixing base intercommunication sliding seat, the sliding seat was through going out the water piping connection water tank.