Formwork-erecting-free constructional column sizing die

The utility model discloses a formwork-erecting-free constructional column shaping mold which comprises a first enclosing plate, an observation opening, a first butt joint groove, a first connecting hole, a connecting plate, a second enclosing plate, a second connecting hole, a second butt joint groove, a third butt joint groove, a connecting screw rod, a nut, a base, a butt joint plate and a steel bar fixing groove. The die has the advantages that a layer of tempered protective glass is fixed to the observation opening in a cemented mode, the situation that whether poured concrete is denselyfilled in the die or not cannot be observed is prevented, the connecting plate is in positioning butt joint with the first surrounding plate and the second surrounding plate through the first butt joint groove, and the connecting plate and the surrounding plate can be in front-back butt joint rapidly; and concrete is prevented from leaking during pouring through a notch connecting mode, so that the plates are connected mo