Since the specific structure of the mixing station is different, only a general description is given here, and special parts need to be maintained in accordance with the instructions. It should be specially pointed out that the dustproofing of the mixing station is particularly important. The accumulation of dust brings great inconvenience to the maintenance and repair of the mixing station, which reduces the performance of all equipment, shortens the service life and damages the lubrication. Therefore, it should be based on the principle of structure. The above produces minimal dust and is regularly cleaned and maintained.