Building template cleaning device for building construction

The utility model discloses a building template cleaning device for building construction, comprising: a cleaning assembly, the cleaning assembly comprising a workbench, a support rod, a bearing rod, a vertical plate, a first hydraulic press, a first hydraulic rod and a scraper knife; the conical cutter adjusting assembly comprises a placing groove, a cross rod and a conical cutter; the first hydraulic device is fixedly connected with a first hydraulic rod, the side portion of the first hydraulic rod is fixedly connected with a scraper knife, a containing groove is formed in the bottom of the scraper knife, a transverse rod is movably connected to the middle of the containing groove, and conical knives are fixedly installed at the bottom of the transverse rod and arranged at equal intervals. The conical knife can be moved out of the scraper knife and protrudes out of the bottom of the scraper knife under the matching of the adjusting screw, so that the contact area between the conical knife and the building t