Aerated concrete block mortar joint thickness control device

The utility model relates to a mortar joint thickness control device for aerated concrete blocks. The mortar joint thickness control device comprises a left side plate, a right side plate, a scraping plate and an excess material groove, the left side plate and the right side plate are both L-shaped plates; the horizontal section is horizontally arranged, the vertical section is vertically arranged, and a horizontal sliding groove is formed in the outer side wall of the horizontal section; lug plates are fixed to the tail ends of the horizontal section and the vertical section, and connecting pieces are arranged between the corresponding lug plates to fix the left side plate and the right side plate together at intervals. Vertical sliding plates are fixed to the two sides of the scraper, and sliding blocks matched with the sliding grooves are fixed to the sliding plates. The sliding plate is sleeved with the sliding groove in a sliding mode. An upper lapping table is fixed on the inner wall of the horizontal s