Plastering mechanism, plastering machine and using method of plastering mechanism

The invention relates to the technical field of building machinery, and discloses a plastering mechanism, a plastering machine and a using method of the plastering mechanism. The plastering mechanism comprises a plastering head frame, a plastering plate is hinged to the plastering head frame, a mortar blocking plate is arranged on the side face of the plastering plate, and the plastering plate comprises an upper plastering plate, a middle plastering plate and a lower plastering plate which are sequentially and flexibly connected; vibrators are arranged on the back faces of the upper patter, the middle patter and the lower patter, a first connecting rod is arranged on the back face of the top of the upper patter and connected with a first motor, the first motor is used for driving the upper patter to rotate, a second connecting rod is arranged on the back face of the bottom of the lower patter and connected with a second motor, and the second motor is used for driving the middle patter and the lower patter to