Mixing device and plastic production equipment comprising same

The utility model relates to the technical field of plastic production. The utility model relates to a mixing device, in particular to a mixing device and plastic production equipment comprising the same. The mixing device comprises a mixing main body, a first sleeve, a second sleeve, a collecting cavity base, a first feeding plate, a second feeding plate and a spiral device, the mixing main bodyis arranged above the collecting cavity base; the spiral device is sleeved with the first sleeve and the second sleeve; the spiral device is matched with the first sleeve and the second sleeve; the spiral device comprises a first spiral device, a second spiral device, a bearing and a synchronous belt wheel; the first spiral device and the second spiral device are fixedly connected in opposite spiral directions; according to the material mixing device, the rotation directions of the first spiral blade and the second spiral blade are opposite, and the rotation driving direction of the spiral device is matched with the r