Saturday, January 24, 2009

Another way to sort components by size

Again ,this is to be applied to a conveyor with small parts on it.
Essentially, the way this works is that you have rows of size-exclusing fingers just above the conveyor. As the parts move down the conveyor, the parts too large to file past the fingers get caught and are held in place. At various intervals, the conveyor is stopped or slowed, and the finger assembly has a backer bar come in, push against the back of the caught part, lifts up, translates sideways, opens the backer bar and dumps the part onto another conveyor (or bin), and then recycles to the normal position. at this point, the conveyor accelrates back to normal speed and the overall cycle continues.
There would likely be dozens of rows of these catch finger arrays along the lenght of the separator.

See figures one and two below for an idea of what I'm talking about:

Beautiful, I know.

In figure two, you see the backer bar (with "soft jaw" foam) come in to clamp the component (in this case a transformer). The finger array and backer then lift up, and would then move laterally (into and out of xy plane) , and then the backer bar would release the component into the bin or next conveyor.
The drawings are lame, but the idea is simple.



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