Keyboard shell machining jig

The utility model belongs to the technical field of keyboard machining, and particularly relates to a keyboard shell machining jig which comprises a base. The device comprises a base, a supporting frame, an electric push rod, a mounting plate, an upper jig and a lower jig, the supporting frame is fixedly connected to the top of the base, the electric push rod is fixedly connected to the top of the supporting frame and penetrates through the supporting frame, the mounting plate is fixedly connected to the bottom of the electric push rod, and the upper jig is movably connected to the bottom of the mounting plate; the lower jig is movably connected to the top of the base; the number of the threaded rods and the fixing plates is four, the number of the threaded rods and the fixing plates is four, the four threaded rods are symmetrically and rotationally connected to the bottom of the mounting plate and the top of the base respectively, and the four fixing plates are symmetrically and slidably connected to the bot