Underground cable cutting device for oil exploitation

The utility model relates to the technical field of cutting devices, and discloses an oil exploitation underground cable cutting device which comprises an outer shell, a handle is fixedly connected to the surface of one side of the outer shell, and an electric air cylinder is fixedly connected to the interior of the outer shell. According to the underground cable cutting device for oil exploitation, a cable is fixed between an upper blade and a lower blade, an electric air cylinder stretches out and draws back to drive a first blade base to move, and when the first blade base moves, a driving rod is driven to stretch out and draw back, so that a first rack plate moves; when the first rack plate moves, a transmission gear is driven to rotate, the transmission gear rotates to drive a second rack plate to move, so that the purpose of moving a driven rod is achieved, at the moment, the driving rod and the driven rod move in the opposite directions, namely, a first blade base and a second blade base move in the op