Graded stirring type reaction kettle stirrer for chemical machinery

The utility model discloses a graded stirring type reaction kettle stirrer for chemical machinery, which comprises a mounting plate, the surface of the mounting plate is rotatably connected with a main shaft rod through a bearing, the upper surface of the mounting plate is welded with a mounting frame, and the upper surface of the mounting frame is fixedly connected with a servo motor for driving the main shaft rod to rotate. A grading stirring mechanism is arranged on the surface of the main shaft rod and comprises auxiliary stirring blades fixedly installed on the surface of the main shaft rod, and a support rod is fixedly connected to the surface of the main shaft rod. According to the graded stirring type reaction kettle stirrer for the chemical machinery, in the middle stage of material mixing, gas is injected into a connecting sleeve through a gas injection pipe, the gas enters a cylinder through a gas inlet pipe to push a rack to move, and due to the fact that a gear disc is meshed with the rack, a mai