Magnetic Sensitive Loose End Missing Filter Defective Cigarette Detector

Introduction:

A cigarette testing device for cigarette packaging machines located at a point in the manufacturing process just before the cigarettes are placed into cigarette packages, for simultaneously testing the ends of cigarettes disposed in a group.

Magnetic Sensitive Loose-end Missing Filter Defective Cigarette Detector is a cigarettes location detection system, built-in 20 displacement magnetoelectric converters, used for dectecting the loose-end and missing filter rod, if the cigarette was detected loose-end or missing filter, the sensor will output signal, for rejecting the cigarettes into the pack. 

This system includes a probe in the form of a split fiber optics bundle located adjacent a conveyor or other transport means for cigarettes which travel along the conveyor with their axes substantially normal to the direction of travel of the conveyor. The fibers of the bundle are divided randomly and one branch extends to a light source and the other to a detector. In this fashion, light will be directed from the probe towards the tobacco end of the traveling cigarettes. The reflected light is transmitted through the other branch to the detector which is coupled with a bridge circuit for measuring the level of intensity of the reflected light.

When a loose cigarette end is detected, either a memory circuit or wheel is actuated in order that the cigarette having the detected loose end will be eventually rejected by an ejection mechanism.

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