Secondary structure constructional column formwork

The utility model provides a secondary structure constructional column template, which belongs to the technical field of secondary structure construction, and comprises a front template and a rear template which are respectively contacted with a wall body, the front template is provided with a funnel with an upper opening, the rear part of the funnel is of an opening structure, the front template is provided with a through groove which is through front and back, and the through groove is communicated with the rear opening of the funnel, so that the interior of the funnel is communicated with a constructional column pouring cavity; mounting plates are mounted on left and right sides of the funnel; before the funnel is installed, the suction cup is tightly attached to the front mold plate, the air pressure adjusting mechanism is driven by the driving mechanism to move, so that the air pressure in the suction cup is reduced, and the suction cup can be firmly sucked to the wall through the air pressure difference