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The free-rotating component mechanism drives the bottle to rotate at high speed and drives the foreign matter inside the bottle to rotate with the liquid. When the bottle rotation mechanism brakes suddenly, the liquid in the bottle will still be rotating due to inertia, and the movement trajectory of the visible foreign body will show different brightness characteristics under different light sources, which will be continuously captured by the high-speed industrial camera with multiple images, and will then be processed by the image processing system to accurately distinguish the foreign matter and the bubbles in the liquid. And then it will discharge the unqualified products with foreign matter.
Foreign matter and appearance quality inspection for sterilized soft I.V. solution bags. The soft bags will be automatically fed by the robot hand to enter the light inspection machine. This machine can fully inspect the soft bag’s defects like sinking bottom heavy foreign matter, floating foreign matter, suspended foreign matter, foreign matter at the corners, inside corners of the bottle cap, outside surface of the bottle cap, bag body appearance, and inner cap. The machine adopts magnetic levitation track transportation. And the inspected bags will be discharged orderly by it.
The products to be inspected are transported to the inverted bottle track orderly along the established circular track by the infeed star wheel disc, and then enter the oscillating station to fill the bottle head with liquid. After that, it enters the inspection area through the infeed spiral, and there are four stations to detect the leakage of products in different positions. The tested products will then be delivered to the outfeed station through the feeding spiral and the vertical bottle track. According to the test result, the qualified products will be transferred to the next process through the qualified lane, and the unqualified products will be picked out through the reject module to the unqualified lane. The whole process is fully automatic, requiring only operator supervision, recipe setting and alarm event resolution.
This inspection machine adopts the machine vision principle to identify and detect visible foreign matter and defects. For in-fluid inspection, the inspected product will be braked while rotating at high speed, and the industrial camera will continuously take multiple pictures, which will be processed by our self-developed vision inspection algorithm to determine whether the inspected product is qualified or not; for appearance inspection, the 360° angle-free pictures will be taken and processed by the vision algorithm to identify the appearance defects. Micro-hole leakage detection is performed through the High Voltage Leak Detection ( HVLD) principle. All detection results are communicated to the PLC control system through Ethernet, which is configured according to the rejection lane type to automatically reject unqualified products.