Tool frame for guardrail assembly

The utility model discloses a tool frame for guardrail assembly, which comprises a support frame and a fixing mechanism, the fixing mechanism comprises a limit rod and a plurality of extrusion mechanisms, the limit rod is arranged on one side above the support frame, the plurality of extrusion mechanisms are arranged on one side of the limit rod, each extrusion mechanism comprises a plurality of mounting rods, a fixing rod is arranged on one side of each mounting rod, and the fixing rods are arranged on the other sides of the mounting rods. The upper surface of the fixing rod is slidably connected with the limiting rod, multiple cylinders are fixed to the upper surface of the mounting rod at equal intervals, and the output ends of the cylinders are in transmission connection with piston rods. The guardrail is placed on the mounting rods, one end of the guardrail extrudes one side of the limiting rod, the compressor conveys high-pressure gas to the position of the electromagnetic valve through the gas pipe to