Lithium battery positive electrode material mixing device

The utility model provides a lithium battery positive electrode material mixing device, and belongs to the technical field of material mixing and screening. A lithium battery positive electrode material mixing device comprises a mixer, a feeding hopper is arranged on the upper side of the mixer, the lower side of the mixer is connected with a feeding port of a spiral elevator, a discharging port of the spiral elevator is downwards connected with a screening machine, a closed turning plate is arranged on the discharging port of the screening machine, and the closed turning plate is connected with the discharging port of the spiral elevator. And the closed turning plate is connected with a switch motor arranged on the screening machine. The functions of material collecting, mixing, transferring, screening and metering control are combined, the modular design that mixing and screening are independent of each other is achieved, on the premise that an existing screening machine and mixer components can be purchase