Plate-and-frame filter press with filter plate convenient to replace

The utility model relates to a plate-and-frame filter press with a filter plate convenient to replace. Thrust plate, main beams are fixedly mounted on the front surface and the rear surface of the thrust plate; supporting plates are fixedly arranged on the outer sides of the two main beams; fixing columns are arranged on the left side and the right side of the supporting plate. Fixing rods are welded to the upper portions of the fixing columns. Filter frames are movably mounted on the opposite sides of the two main beams; filter plates positioned on the opposite sides of the filter frames aremovably mounted on the opposite sides of the two main beams; support rods are fixedly mounted on the front surface and the rear surface of the filter plate; first motors are arranged on the left sidesof the supporting plates. The output ends of the first motors are connected with screws, the screws are sleeved with sliding blocks, electric push rod sleeves are arranged above the sliding blocks, electric push rods are arra