Agarose gel cutting knife

The utility model discloses an agarose gel cutting knife which comprises three fixed blades and a movable blade, a cubic cavity without an upper bottom and a lower bottom is defined by the movable blade and the three fixed blades, and the upper ends of the movable blade and the fixed blades are fixedly connected with a movable handle and a fixed handle respectively. Partition plates are fixedly connected to the inner side of the fixed blade at equal intervals, a blade clamping groove matched with the movable blade is formed between every two adjacent partition plates, and the movable blade is inserted into the blade clamping grooves. According to the gel cutting knife, the fixed blade can be driven by the fixed handle to cut gel with force downwards, meanwhile, the movable blade is adjusted to be located in the appropriate blade clamping groove according to the size of sepharose gel needing to be cut, then the movable handle is used for cutting the sepharose gel into sepharose gel blocks with the appropriate