Heating device for polyethylene plate injection molding

The utility model relates to the technical field of polyethylene plates, and discloses a heating device for polyethylene plate injection molding, which comprises a heating kettle, a sealing cover is attached to the upper part of the heating kettle, a buckle is arranged between the sealing cover and the heating kettle, the heating kettle is hermetically connected with a sealing plate through the buckle, and the sealing plate is connected with the heating kettle through the buckle. A heating mechanism for uniformly heating raw materials in the heating kettle is arranged on the heating kettle, and a stirring mechanism for stirring the internal raw materials is arranged in the heating kettle. The heating mechanism is arranged, the heating pipe spirally arranged in the heating groove is used for uniformly heating the interior of the heating kettle, the effect of uniformly heating raw materials in the heating kettle is achieved, and a heat preservation layer is arranged in the heating groove, so that the effect of