Portable steel seal carving device suitable for complex structure

A portable steel seal engraving and printing device adapting to a complex structure comprises a steel seal output module, a steel seal beating module, a steel seal fixing module and a steel seal positioning module, and the steel seal output module comprises a steel seal box and steel seals which are located in the steel seal box and vertically arranged side by side; the steel seal beating module comprises an impact head located on the top of the steel seal box. The steel seal fixing module comprises a supporting frame for supporting the steel seal box, a through hole allowing the steel seal to penetrate through is formed in the surface of the supporting frame, and the steel seal box can slide in the area of the through hole. The steel seal positioning module comprises a positioning hand wheel, a first rack, a steel seal selection hand wheel and a second rack. The positioning hand wheel is rotated, the steel seal box can be driven to move through cooperation of the gear ring and the rack, and an area needing t