The utility model relates to a simulation assembly is with buckle device that opens and shuts, include fixed baseplate, bottom plate, lower card slot board, go up card slot board, T type groove guide rail, screw rod, deflector, handle, connecting block, an upper fixed plate, the bottom plate is connected through gain hole screw and fixed baseplate, and lower card slot board is connected through gain hole screw and bottom plate, the T type block structure of going up card slot board can be in the middle and upper slip down of T type groove guide rail, the deflector is fixed on the guide rail of T type groove, screw rod screw in deflector to through a lock nut fixed position, the circular head one end of screw rod is packed into and is gone up card slot board's hole, other end screw in the handle to it is fixed through holding screw, T type groove guide rail passes through the connecting block and an upper fixed plate links to each other, and an upper fixed plate is connected through screw and fixed baseplate. The utility model discloses a screw in of screw rod is screwed out and has conveniently been realized opening and shutting of buckle. Can manually conveniently adjust using location, convenient to use presss from both sides tight reliably.