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Vacuum monitoring system for cans, jars and bottles
vacCONTROL monitors the integrity of the vacuum in can, jars and bottles and analyses the results statistically. Operation is completely automatic and without contact. Faulty cans can be detected and sorted immediately. The system is suitable for a diverse range of caps and a wide range of diameters. Environmental influences such as humidity and temperature variations have no influence on the proper operation of the vacCONROL equipment. vacCONTROL operates wear- and maintenance-free. The electronics is based on a non-contact displacement measuring system with a sequential analysis of the signals using a micro-computer. The electronics is a modular system housed in a waterproof cabinet. The sensor is mounted above the conveyor behind the filling and sealing machine. The electronics can be installed up to 3 m from the sensor.
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Characteristics
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Clear, large display, simple operation
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Easy integration to machine controls
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Graphic display of the shape of the cap
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Programme selection of pre-adjusted products / cans
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Interface for sorter, displacement sensor, light barrier, transport speed
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Application of a vacuum monitoring system
In a non-contact process the vacCONTROL 810 system measures the cap deflection caused by the vacuum. A sensor scans the cap shape while the individual glasses pass the measuring point. The micro-computer unit stores the values and uses them to calculate the cap deflection as a function of the internal pressure. vacCONTROL 810 compares the values with a preset deflection value and decides about the tightness of the glass. If the cap deflection is not large enough, an eject pulse of adjustable length is generated. This pulse controls a sorter which separates the glasses into good (sealed) and bad (leaky).
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