Contravariant digital pulse argon arc welding machine

The utility model relates to the field of welding technique, especially, relate to a contravariant digital pulse argon arc welding machine, include: the box, the level setting is in mounting panel in the box sets up in the box, and set up and be in the power supply unit and the filter of mounting panel below set up in the box, and set up separately the inverter of mounting panel top and below, and set up controlling means on the box, compared with the prior art, the utility model has the characteristics of the contravariant frequency is high, and volume and weight are lower, is showing to have reduced the copper iron loss, and welding efficiency is higher, and energy -conserving effect is showing, and it is lower etc. To reach noise pollution. 本实用新型涉及焊接技术领域，尤其涉及种逆变数字脉冲氩弧焊机，包括：箱体，水平设置在所述箱体内的安装板，设置在所述箱体内、且设置在所述安装板下方的电源装置和滤波装置，设置在所述箱体内、且分设在所述安装板上方和下方的逆变装置，及设置在所述箱体上的控制装置；与现有技术相比，本实用新型具有逆变频率高，体积和重量较低，显著减少了铜铁损，焊接效率较高，节能效果显著，及噪声污染较低等特点。