Improved delinting device

The utility model discloses an improved delinting device which comprises a fixing frame, a supporting table is installed on the inner wall of the fixing frame, a tank body is connected to the interior of the supporting table in a sliding mode, a positioning plate is connected to the interior of the supporting table in an inserted mode, and the back face of the positioning plate is attached to the outer wall of the tank body. By adopting the structure, the tank body is inserted into the supporting table, the positioning plate is stabilized in the supporting table through the positioning mechanism, and the tank body and the positioning plate are clamped through the positioning assembly, so that the effect of stabilizing the position of the tank body can be achieved, and then concentrated sulfuric acid, cotton seeds and the like can be added into the tank body; then the electric push rod drives the cover plate to be attached to the upper end of the tank body through the mounting frame, and the motor drives the s