Membrane washing device for immunoblotting test

The utility model discloses a membrane washing device for an immunoblotting test, which comprises an external box body, the top of the external box body is connected with a top cover through a hinge, the front surface of the external box body is movably connected with a first hinge shaft, the bottom of the first hinge shaft is movably connected with a sealing plate, and the sealing plate is movably connected with a second hinge shaft. A liquid inlet hopper is fixedly clamped to the position, close to the bottom of the sealing plate, of the front face of the outer box body, a sealing cover is connected to the top of the liquid inlet hopper through a hinge, a liquid storage box is fixedly connected to the back of the liquid inlet hopper, a waste liquid storage box is arranged at the position, close to the center, of the top of the liquid storage box, and a communicating pipe is fixedly connected to the top of the waste liquid storage box. According to the utility model, the cleaning tank and the central spray h