Lithium ion storage battery tool welding clamp

The utility model provides a tool welding clamp for a lithium ion storage battery. The tool welding clamp comprises a base, a supporting plate, an isolation plate and a connecting copper sheet set. The base is provided with a battery mounting groove penetrating front and back; u-shaped grooves are formed in the top ends of the left and right side surfaces of the base; a plurality of supporting columns are arranged on one side of the supporting plate, the supporting plate is arranged in the U-shaped groove in a pluggable mode, and when the supporting plate is inserted and installed, the supporting columns are inserted between the tabs of the battery pack; the isolation plate is detachably arranged above the base, and a plurality of tab holes are formed in the isolation plate; during installation, the isolation plate is downwards inserted into the battery pack from the upper part of the battery pack, and the tab pieces of the battery pack penetrate out of the tab holes; a connecting copper sheet group is arrang