| 摘要 |
Cottonseed processing machinery has an automatic variable speed feeder. Cottonseed flows through a chute into a hopper and out of the hopper onto a gratefall adjacent turning saw blades. A curved section coextensive with the gratefall overlies the gratefall and urges the cottonseed toward the gratefall and saw blades. The sensing means of a switch detects movement of a weighted arm urging the curved section toward the gratefall. A float shaft is rotated between the gratefall and the curved section in the cottonseed roll. Pulleys drive one part of an electric clutch from the clutch shaft. The other part of the electric clutch when energized connected the first part to the speed reducer which in turn drives the feed roll shaft. When the limit switch senses movement of the arm, indicating a movement of the curved section toward the gratefall, a reduced cottonseed roll, and the need for faster feed, the switch energizes the clutch, driving the feed roll from the float roll via the electric clutch and speed reducer. When the curved section returns outward, the switch causes the clutch to disengage.
|
