This product is set by lifting mechanism and the parallel of vertical elevator guide rail on the guide rail bracket. The bracket of plaster board set in the front end of the plaster board, the upper of the plaster board's working plane made into cant, the lower half made into the vertical plane, vibrator set on the other side of the plaster board, the feeding box set on the above of plaster board.

The present invention has simple structure, easy handling, stable and reliable performance, low running cost, convenient for moveable. Automatic falling mortar for plastering, at the same time, the high frequency 3000 hz cause the vibratory force, and under the extrusion of plaster board will build solid wall cracks and excess water discharge, make the wall smoothly, the high solidification, fast and efficient. Ash layer combined with wall body is firm, no partial loss happens, ash rarely fall to the ground at the same time.