Patent ID: 8851275
Filing Date: 2014-10-07
Classification: B26D,B65G,B65H

Abstract:
1. A screening examination system, comprising: a first conveyor unit receiving test products fed thereto at a first speed, said first conveyor unit comprising: a second conveyor unit, said second conveyor unit comprising: a first sensor unit arranged between said first conveyor unit and said second conveyor unit to detect falling of said test product between said first conveyor unit and said second conveyor unit, wherein as said first sensor unit detects falling of said test product, said first movable wheel set is moved to said second movable wheel set, and the position of said second movable wheel set is maintained; a second sensor unit arranged above said second conveyor unit to detect said test products being carried on said second conveyor unit, wherein as said second sensor unit detects passing of said test product, said second movable wheel set and said first movable wheel set is moved in direction toward said first conveyor unit; an examination unit arranged above said first movable wheel set to examine test products being delivered by said first conveyor unit and discriminate between a quality product and a defective product, wherein as said examination unit examines said defective product, said second movable wheel set is moved toward said second conveyor unit, and the position of said first movable wheel set is maintained; whereby movement of said first movable wheel set and said second movable wheel set are determined by the examination result of said examination unit and the detection results of said first and second sensor units; and, said first conveyor unit being adaptively varied to maintain a conveying speed different from the first speed responsive to the examination result.