Keep off case device

The utility model discloses a keep off case device, include: rack -mounted support frame, back shaft fixed mounting is on the support frame, the cover is equipped with the axle sleeve on the back shaft, the axle sleeve can rotate on the back shaft, fixedly connected with pin on the axle sleeve, the outer tip fixedly connected with baffle of pin, go back the fixedly connected with pendulum rod on the axle sleeve, under drive arrangement's drive, pendulum rod energy band moving axis cover is done the forward and is rotated or the antiport on the back shaft, axle sleeve forward rotational energy on the back shaft orders about the baffle motion to keeping off the outside of leaning on case on lieing in the transplantation platform of stamping neat top, and can obstruct the case and move to moving the direction of drawing back of carrying the platform, axle sleeve antiport on the back shaft can be ordered about baffle motion and move the height that carries case top on the platform to being higher than. The utility model has the advantages of: keep off case device's structure is simplified greatly, can block effectively that the case carries the platform and takes out the direction that leaves and remove to moving to ensure that the case can the accuracy drop on stamping the board.