| 摘要 |
PURPOSE:To provide the complete automation of stacking and unloading boxs by elevating and turning a lever with movement of an elevating frame. CONSTITUTION:When a lever 9 rises and advances into space B, a box A on a roller 2 is hooked by a clock portion 9a and lifted up. When a new box A is carried in the space B, a rod of a cylinder 4 is elongated to lower an elevating frame 5. Whereupon, as a cam follower 13 passes the second passage 17, during descending, the lever 9 is lowered and turned outward, so that the engagement of the box A hooked on the click portion 9a is released, and the box A is stacked on the newly carried-in box A. During descending, the lever 9 receives momentum of inward rotation by the weight of the box, so that the cam follower 13 spontaneously passes the first passage 16. Accordingly, the second stage box can be unloaded on a roller conveyer by lowering the lever 9 after the first stage box is carried out from the space B by the roller 2.
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