Knife shaking device of knife rest of small-size flat knife cutting machine

The utility model relates to the technical field of flat cutter structural design, and discloses a knife vibration device for a knife rest of a small-size flat cutter, which comprises a base, support frames are fixedly connected to the front side and the rear side of the middle of the top end of the base, and threaded sliders are slidably connected to the upper portions of the inner walls of the opposite ends of the support frames. The opposite ends of the threaded sliding blocks are fixedly connected with a tool box, a second sliding plate is slidably connected to the middle of the inner wall of the tool box, a connecting plate is fixedly connected to the middle of the bottom end of the second sliding plate, a first sliding plate is fixedly connected to the bottom end of the connecting plate, and a cutting blade is fixedly connected to the middle of the bottom end of the first sliding plate. According to the cutting device, the threaded rod and the threaded sliding block are arranged, so that a user can rota