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The objectives for this project was to create a machine that would put a"chocolate drop" onto a "cookie". It should then move the cookie into another position in which it will be ready for packing and inspection. To complete this task, our final design incorporated a inclined plane to dispense the cookie onto a conveyor belt, which would move to cookie into place for the chocolate drop to be placed onto the cookie. Then, the conveyor belt will start back up to place the cookie into the final storage area.
The major difficulty of this project was simplification of the dispensing the cookie onto the machine to start the process. We solved this problem by replacing the
starting machine with an inclined plane. After that, the chocolate drops would not stick to the cookie, since it is not a real cookie, so to combat this problem, we put duct tape on the gear to imitate the stickiness of a real cookie.
One feature that was not part of the design was a supply of cookies ready to go on the conveyor belt; I would suggest a surplus with an opening controlled by a rotation arm to release the cookie onto the system. Another feature, or rather improvement, that I would incorporate would be an extension of the system so we could find a length that would prevent the conveyor belt from sagging. This would increase the reliability quite a bit.
During the official test, our design worked moderately well. The system was successfully completed twice, but the other two times, the cookie did not get off the conveyor belt onto the final storage area. The uncertainty in the success of the machine was most likely caused because of the sag in the conveyor belt. Due to the small scale of the conveyor belt, we were unable to put supports in the conveyor belt, or find a desired length to eliminate the sag.
During this project, I developed a greater understanding of the V.E.X Robotic components, as well as learned more about the Robot C capabilities. I also leaned valuable teamwork skills. Another valuable aspect of this project was learning that altering your design, no
matter how late in the process, is essential for success. Lastly, I learned how to make gears in Inventor.
In my original idea, the cookie (which is a gear) would be placed in worm gears, which would be turned to move the cookie down the system, and drop onto the conveyor belt system. Once the cookie reaches a certain place, determined by an ultrasonic sensor, the chocolate dropper will activate to place the chocolate on the coolie. The conveyor belt will then start up and dispense the cookie into the drop box.
What we originally thought was our final idea was my original idea, with the exception of the dropper, which was changed to a bin holding the drops, and a lever would activate to release the drops onto the cookie.
This was our completely final idea. The cookie would be placed onto the inclined plane, which would dispense the cookie onto the conveyor belt, which would move the cookie into place, where an ultra sonic sensor would determine when the cookie was in place. This then activated the dropper system described above. The Conveyor belt would then start back up, and dispense the cookie into its final storage area.
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