Electric angle steel cutting device with protection function

The utility model relates to an electric angle steel cutting device with protection, which comprises a base, a plurality of groups of mounting blocks are fixed on the upper end face of the base, parts on the mounting blocks are symmetrically arranged, a mounting bracket is fixed above the mounting blocks, a screw rod is in threaded connection with the mounting bracket, and four groups of vertical rods are fixed at the upper end of the base. A reinforcing beam is fixed between the vertical rods, a mounting plate is arranged below the reinforcing beam, a limiting rod is arranged on the right side of the mounting plate, the limiting rod penetrates through the vertical rods and is fixedly connected with a screw block, a positioning plate is fixed to the left side of the reinforcing beam, a lead screw is rotationally connected to the lower end of the positioning plate, and the lead screw is in threaded connection with the screw block. By means of the design, angle steel needing to be cut can be positioned, the ang