Quick-assembly type disassembly-free floor slab bottom die connecting structure

The utility model discloses a fast-assembly type disassembly-free floor slab bottom die connecting structure which comprises a first connecting structure, and a second connecting structure is fixedly connected to the side end of the first connecting structure. The first connecting structure comprises a cement fiber plate, a first limiting frame plate, a steel bar truss, a self-tapping screw, L-shaped steel, a connecting matching frame, a second limiting frame plate, a fastening screw and a fastening gasket, and the first limiting frame plate and the second limiting frame plate are fixedly connected to the front end of the cement fiber plate; the L-shaped steel is fixedly connected with the cement fiberboard through self-tapping screws, the center of the first limiting frame plate and the center of the second limiting frame plate are connected with a steel bar truss in a limiting mode, the steel bar truss is fixedly connected with a fastening screw through a connecting matching frame, and the bottom of the fas