Preheating device for permanent magnetic ferrite

The utility model provides a preheating device for a permanent magnetic ferrite, and relates to the technical field of machining equipment for permanent magnetic ferrites, which comprises a fixing frame. A conveyer is arranged on the fixing frame. The conveyer is in the form of a conveying roller and a negative pressure fan is arranged below the conveyer. The device is characterized in that the negative pressure fan is connected with two pipelines, wherein one pipeline is in the form of a wind inlet pipeline and the other pipeline is adopted as a wind supply pipeline. The wind supply pipeline is arranged below the conveyer. The wind supply pipeline is provided with a wind outlet pipeline and a wind outlet. The wind outlet is arranged right below the conveyer. The wind outlet pipeline is connected with the fixing frame and is provided with two connecting ports. The two connecting ports are connected with the fixing frame. The fixing frame is provided with a perforated groove. The wind fed through the wind outl