As manufacturing automation advances, labeling machines are increasingly common on all kinds of packaging lines. However, the appearance and barcode inspection step after labeling often becomes a capacity bottleneck. Manual visual inspection is slow and prone to misses caused by eye fatigue. In recent years, CCD vision inspection technology has become the standard, providing a reliable technical path for automated quality inspection.
Pain points in conventional inspection and the vision inspection solution
On high-speed automated lines, products that have passed through CCD vision labeling or a conventional labeler may have crooked labels, bubbles, missing labels or unreadable barcodes. Manual inspection is subjective and slow, and cannot meet modern factories’ requirements for consistent quality. Machine vision inspection is therefore widely adopted: industrial cameras capture images and algorithms judge defects automatically, standardizing inspection criteria, enabling real-time recording and traceability of inspection data, and effectively compensating for the shortcomings of manual work.
WZ-3022 vision inspection machine: technical analysis and parameters
Take the WZ-3022 CCD vision inspection machine developed in-house by Wanzhi Automation: it represents the current direction of inline vision inspection technology. The machine carries a Hikvision 6-megapixel industrial vision imaging system that captures fine defects in high definition and greatly reduces missed and false detections. On inspection efficiency, its batch inspection speed reaches up to 2000 items per hour and connects seamlessly with upstream and downstream processes. The machine supports multi-dimensional inspection, simultaneously identifying print defects, missing components, assembly errors and barcode exceptions. Its working size range can be customized to the parts, and the modular design allows it to adapt flexibly to 100% inspection of flat small parts in many specifications, automatically separating good and NG parts.
Industry selection essentials and practical applications
During selection and operation, focus on line compatibility and expansion functions. For factories that need to connect to an existing packaging line, choose a model that supports custom conveying length and number of stations. We also recommend the pneumatic or belt-type automatic reject mechanism to achieve a closed loop of unmanned inspection. The technology is now widely used in batch quality inspection of electronic accessories, signage and color cards, and small plastic and hardware parts, helping companies reduce labor costs and improve overall yield.
FAQ
Which common labeling and appearance defects can the CCD vision inspection machine identify?
The machine can simultaneously identify crooked labels, bubbles, damage, missing labels, surface print defects, missing components and unreadable barcodes.
How does the vision inspection system connect to an existing automated line?
The machine uses a modular design with customizable conveying length and number of stations, and connects seamlessly through standard interfaces to labeling, laminating, packaging and other upstream or downstream lines for synchronized conveying and inspection.
Is changeover complicated when switching to a product in a different specification?
The machine runs an industrial touch control system, and inspection programs can be stored and recalled quickly. When changing products, simply recall the matching program and fine-tune the physical stops for a fast switch.
Written by Wanzhi Automation