Pressing plate device for photo-curing 3D (three-dimensional) printer and surface molding 3D printer

The utility model discloses a pressing plate device for a photo-curing 3D (three-dimensional) printer and a surface molding 3D printer. The pressing plate device comprises a transparent pressing plate, wherein a fixing structure for being fixed in a container box of the photo-curing 3D printer is arranged on the transparent pressing plate; the surface molding 3D printer is characterized by comprising the container box for containing a liquefied photo-curing material, a printing plate provided with a work station, a driving mechanism for driving the printing plate to move in the container box up and down, projecting equipment of which a protecting camera is positioned above the printing plate, and the pressing plate device arranged in the container box and between the projecting camera and the printing plate, wherein the work station of the printing plate is a molding support platform for a product, and the projecting equipment is used for projecting an image to the printing plate. The pressing plate device for the photo-curing 3D printer and the surface molding 3D printer have the beneficial effects of low cost, high printing precision, fast printing speed and good printing effect.