Full-automatic chiseling device for concrete test piece

The utility model relates to a full-automatic chiseling device for a concrete test piece, which comprises an uncovered collecting sand box, a bottomless chiseling box, a storage sand box, a track, a fixing mechanism, a horizontal two-dimensional translation mechanism and a high-pressure spray head, and the spray head is connected with a high-pressure water pump through a water pipe and is connected with the bottom of the storage sand box through a sand pipe. The fixing mechanism comprises a bottom plate clamped on the track in a sliding mode, a front baffle arranged on the bottom plate and side baffles arranged on the two sides of the bottom plate, the front baffle and the side baffles are each provided with an inserting groove allowing the movable plate to be connected in an inserted mode, and a movable door structure is arranged on one side, in the track direction, of the bottomless chiseling box; a sand outlet door and a water outlet pipe with a filter screen are arranged on the side surface of the uncover