Simple automatic plate washing device

The utility model relates to the technical field of immunology, and discloses a simple automatic plate washing device. Plate washing liquid is stored in the liquid storage cylinder; the liquid inlet end of the liquid pump is communicated with the liquid storage cylinder, and the output end of the liquid pump is connected with a conveying pipe; one side of the liquid separation spray head is provided with a connecting pipe communicated with the conveying pipe, and the other side of the liquid separation spray head is provided with a plurality of liquid outlet nozzles; and the fixing assembly is used for fixing the elisa plate. The fixing assembly comprises a mounting plate and a fixing plate for embedding an elisa plate, the fixing plate and the mounting plate are in sliding connection, a driving mechanism is arranged on the mounting plate to drive the fixing plate to slide, and a positioning bracket is arranged above the fixing plate to fix the position of the liquid separation spray head. The elisa plate cle