Application of visual inspection system in packaging industry

Packaging, as the last process in the production process, has a crucial impact on product quality and company image. Packaging not only protects the safety of the product, but also plays a role of publicity and represents the company's image. The packaging of each product contains a variety of information, and the correct reading of the information is conducive to the company's tracking of the product.
 For the packaging of products, most factories used manual inspections in the past. In some domestic production enterprises, dozens of workers can often be seen to complete the product inspection process. However, with the improvement of the production level of enterprises, this method has been difficult to meet the continuous and large-volume production needs of enterprises. The application of machine vision technology not only gradually replaces the manual and tedious work, but also has great advantages in reliability and low cost. Using machine vision technology, companies can efficiently complete product packaging inspections and correctly read product packaging information to effectively track products.
 1. Inspection of product outer packaging:
 The picture below shows the quality inspection of the product packaging safety strip. The detection system in this case can quickly determine the presence or absence of external packaging security strips in a high-speed production line to ensure that there are no missing packaging security strips.

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2.Barcode recognition / character detection
 On the outer packaging, the product itself and the label will be printed with barcodes, characters, etc. so that the enterprise can establish a product tracking system to meet the requirements for the enterprise to collect product barcode information in real time.

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One-dimensional codes have been commonly used in product tracking and sorting. Machine vision can verify whether the barcode is consistent with the product they are located in. Two-dimensional codes are also commonly used in part tracking and process control. Because of their small printing area, built-in error correction functions, and Can accommodate large-capacity data, so two-dimensional code has universal application in many industries.

The date and batch number code on the product surface provides strict production date information and product tracking information. If the code is not identifiable, consumers cannot verify the quality of the product, and the product becomes a fake product. The OCR tool of SmartVision Intelligent Vision Software can read different printed characters and dates in harsh environments, can quickly relearn and save it as a template database, so as to control the quality of printing information in the product production process through subsequent inspection results.

3. Filling inspection

The beverage industry generally uses automatic filling equipment. The stability of the filling equipment is a key factor affecting the level detection. At present, most of the domestic filling equipment is relatively vibrating, and general visual inspection cannot meet the liquid level detection in a high vibration environment. Vision's visual inspection system can take pictures from multiple directions and calculate the average value of the liquid level, thereby calculating the height of the liquid level, which solves the problem in the industry.

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4. Seal detection

In the bottling production line, the tightness test of the bottle cap is also very important. Whether the seal is completely sealed will directly affect whether the product can be shipped out. Vesvision's visual inspection system can be used for sealing inspection of various products such as mineral water, beverages, beer, soy sauce vinegar, and daily chemical medical supplies.

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