Hard alloy aluminum milling cutter with high safety

The utility model discloses a hard alloy aluminum milling cutter with strong safety, which comprises a cutter body and a cutter bar, the outer end of the cutter bar is fixedly provided with a fixed block, both sides of the fixed block are provided with connecting limit rods, one end of each connecting limit rod is fixedly provided with a connecting block, and the outer end of each connecting limit rod is provided with a tension spring. Two limiting grooves are formed in the outer end of the cutter body, a square positioning rod is fixedly arranged at the top end of the cutter body, a square positioning groove is formed in the bottom end of the cutter rod, and the square positioning rod is arranged in the square positioning groove. The cutter body is detachably fixed to the bottom end of the cutter bar, when the cutter body is damaged, only the cutter body is replaced, the cutter bar can be recycled, cost and resources are saved, connection between the cutter bar and the cutter body is firm, the situation that