Molding cylinder assembly of DLP (Digital Light Processing) large-breadth sunken movable 3D (Three Dimensional) printer

The utility model discloses a DLP large breadth sinking type movable 3D printer forming cylinder assembly which comprises a printer rack and a back plate fixed to the inner wall of one side of the printer rack, an outer feed liquid cylinder is fixed to the bottom of the printer rack, and sliding anti-deviation structures are installed on the two sides of the surface of the back plate. An inner printing table is installed between the two sliding deviation preventing structures, a lead screw lifting module is installed on one side of the surface of the back plate, and a table body clamping mechanism is installed at the movable end of the lead screw lifting module. According to the utility model, a moving part is not immersed in the resin for a long time, the damage caused by corrosion of the resin to metal or other materials can be obviously reduced, and when the mechanical part is not in direct contact with the resin, bubbles and impurities generated by the mechanical part in the resin feed liquid can be reduc