In recent years, fresh food e-commerce and the prepared dish industry have developed rapidly, and consumers are increasingly demanding product traceability and packaging compliance. On conventional packaging lines, weighing, printing, and labeling are often performed separately by hand, which limits efficiency and easily produces data errors. Recently, Wanzhi Automation launched the WZ-600 instant print-and-apply labeling machine for this industry pain point, helping fresh food and logistics companies automate and upgrade their packaging lines.

Efficiency and data bottlenecks on conventional fresh food packaging lines

In conventional fresh food packaging, weighing, label printing, and label application are usually three separate steps. Operators weigh manually and record the data, manually enter it into the system to print a label, and finally apply the label to the package by hand. This approach consumes a great deal of labor and, at peak times, fatigue very easily leads to wrong weight, price, or barcode information, raising the risk of complaints. In addition, pre-printing large batches of labels wastes consumables and cannot handle temporary price changes or specification adjustments. Integrated linkage of weighing, printing, and labeling has therefore become a core requirement for fresh food packaging line upgrades.

WZ-600 instant print-and-apply labeling technology analysis

To solve the above problems, the WZ-600 instant print-and-apply labeling machine developed by Wanzhi Automation deeply integrates three modules: inline weighing, industrial instant printing, and automatic labeling. The machine uses a high-accuracy weighing module with weighing accuracy of ±2g; when materials pass over the weighing platform the weight is collected automatically, and the system matches the product name and unit price from the backend product database in real time to generate label content containing barcode, weight, and price.

In terms of technical specifications, model WZ-600 delivers high-speed, stable operation with output up to 30-50PCS/min, easily matching the high-speed pace of the upstream sorting line. The industrial high-speed instant printer receives the instruction and dispenses the label in real time, completely eliminating the stock management burden of pre-printed labels. A photoelectric sensor then precisely detects that the workpiece is in position, and the labeling head picks up the label and applies it automatically, with data linked in real time throughout to ensure zero information errors.

Practical advice and applications

In practice, the WZ-600 automatic labeling machine shows strong scenario adaptability. For different needs such as fresh food supermarket packaging, prepared dish packing, and express logistics, the machine supports free switching between top-surface and bottom labeling modes and is compatible with bagged, boxed, and other packaging formats. For operating setup, the supplied industrial PC operating terminal allows visual editing and storage of product records and print templates, making product changeover very convenient. In addition, the machine uses a pneumatic labeling structure with a standard 0.6~0.8Mpa air supply, providing stable labeling pressure and ensuring stability during long continuous packaging runs.

FAQ

How does instant print-and-apply labeling ensure accurate weight and price information?

The machine integrates a high-accuracy weighing module with ±2g accuracy; data is synchronized in real time to the backend system, which automatically matches the unit price and generates the label, avoiding errors introduced by manual entry.

Is setup complicated when switching between different fresh food products?

The machine comes with an industrial PC operating terminal, and product records, print templates, and weighing parameters can all be edited and stored visually. When changing products, simply recall the corresponding recipe in the system, so setup is convenient.

Which labeling modes does the machine support for different packaging?

The WZ-600 supports both top-surface and bottom labeling modes and can switch flexibly according to the upstream packaging process and material format, compatible with bagged, boxed, and other fresh food packaging formats.

Written by Wanzhi Automation