Aluminum alloy cutting device with good safety

The utility model relates to the technical field of aluminum alloy cutting, in particular to a good-safety aluminum alloy cutting device which comprises a device base, one side of the device base is fixedly connected with a supporting assembly, two sliding plates are arranged in the device base, and two fixing assemblies are arranged on one side of the device base. The aluminum alloy material fixing device has the advantages that the sliding plate can play a role in fixing an aluminum alloy material, the aluminum alloy material is placed on the placing plate, then the sliding plate slides downwards through rotation of the fixing assembly, the aluminum alloy material can be fixed at the moment, the two hands of a worker can be liberated, and the working efficiency is improved. The cutting efficiency can be greatly improved, a check curtain can prevent chippings from splashing out in the cutting process, the safety index of workers is improved, when the first protection shell and the second protection shell mov