Bending machine for bending surface plate

The utility model discloses a bending machine for bending a plane plate, which comprises a bending machine main body, a vacant site is arranged in the bending machine main body, a plurality of driving mechanisms are further arranged in the vacant site of the bending machine main body, a lower pressing plate is connected below the driving mechanisms, and the lower pressing plate vertically moves up and down through the driving mechanisms. A plurality of clamping mechanisms are fixed to the bottom of the lower pressing plate, a replaceable bending plate is clamped by the clamping mechanisms, limiting blocks are further arranged below the clamping mechanisms, and in addition, a control box is further installed on the bending machine body and electrically connected with the driving mechanism. And the bending plates with different widths and sizes can be replaced as required to bend the plates. And the bending plates with different widths and sizes can be replaced as required to bend the plates. According to the b