Automatic argon arc welding clamping device for leakage nozzle

The utility model discloses an automatic argon arc welding clamping device for a leakage nozzle. The automatic argon arc welding clamping device is composed of a platform, a cushion block, a supporting block, a pressing block, the leakage nozzle and a bottom plate. A bottom plate assembled with a leakage nozzle is placed on a platform, the bottom plate is provided with a bent edge strip, a cushion block and a supporting block are arranged below the bent edge strip of the bottom plate, the supporting block is installed on the cushion block, a pressing block is installed on the supporting block, and the bent edge strip of the bottom plate is pressed on the supporting block through the pressing block, so that the bottom plate is fixed between the pressing block and the supporting block. One-time clamping and positioning are adopted, and the cushion blocks with the same height are cushioned below the bottom plate, so that the leakage nozzle is just in contact with the platform, and heat dissipation in the welding