Plastering and spraying functional device for teaching and practical training

The invention belongs to the technical field of plastering, and particularly relates to a plastering and spraying functional device for teaching and practical training, the plastering and spraying functional device comprises a plastering and spraying execution end, a six-joint mechanical arm, a conveying pipe, a charging barrel and a walking platform, universal walking wheels are arranged on the lower side of the walking platform, and the six-joint mechanical arm and the charging barrel are mounted on the upper side of the walking platform; the plastering and spraying execution end is installed at the front end of the six-joint mechanical arm, a pump is installed in the charging barrel, and the pump and the plastering and spraying execution end are connected through the conveying pipe. When the wall scraping device is used for scraping a wall, firstly, paint is sprayed into a part of area on the wall through a spraying pipe, then scraping is carried out through a plastering plate, and then spraying and scrapi