Building construction feeding device

The utility model discloses a building construction feeding device which comprises a supporting bottom plate, a lifting support, a feeding bin and a feeding barrel, a feeding opening communicated with the feeding bin is formed in the supporting bottom plate, an auger mechanism is arranged in the feeding barrel, a discharging nozzle is arranged at the upper end of the feeding barrel, and a push plate is slidably connected to the end, away from the feeding barrel, in the feeding bin. A rack is slidably connected to one side of the push plate, a supporting plate perpendicular to the push plate is fixedly connected to the lower end of the rack, the upper end of the rack extends to the outer side of the upper end of the feeding bin, a strip-shaped sliding hole matched with the rack is formed in the upper end of the feeding bin, a first motor is slidably connected to the upper end of the feeding bin, and a gear meshed with the rack is fixedly connected to the output end of the first motor. A connecting sliding bloc