Container labeling machine

By using a vacuum suction system and an automatic control device, the structural complexity and blade replacement difficulties of traditional roller-feed labeling machines have been solved, enabling efficient and convenient label cutting and label length extension.

CN116234755BActive Publication Date: 2026-04-03P E LABELLERS SPA
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Patent Information

Application Number
CN202180064978.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2020-09-29
Filing Date
2021-09-27
Publication Date
2026-04-03
Estimated Expiration
2041-09-27

AI Technical Summary

Technical Problem

Traditional roller-feed labeling machines have a complex structure, are difficult to maintain, have inconvenient blade replacement, limited label length range, and require professional personnel for adjustment and maintenance.

Method used

Employing a vacuum suction system and automatic control device, the label tape is stably cut through the suction chamber and auxiliary holding area, simplifying the blade replacement process and allowing for the versatility and adjustability of the cutting roller.

Benefits of technology

It enables accurate label tape cutting under any operating conditions, improves operational efficiency, simplifies blade replacement, expands the label length range, and reduces maintenance difficulty and cost.

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Abstract

A container labeling machine includes: a conveyor (2) for a container (3) to be labeled along a forward path (2a), and at least one labeling unit (5) arranged along a forward path (2b) of the container (3). The labeling unit (5) includes: an unwinding assembly (6) adapted to pick up a label strip (7) from a reel on which labels (8) to be applied to the container (3) are continuously printed; the unwinding assembly feeds the label strip (7) to a cutting roller (9), which has suction orifices (10) on its side surface for attaching the label strip (7); and the cutting roller is equipped with a cutting device for cutting the label strip (7) at a separation area between two consecutive labels (8). The cutting roller (9) is adapted to release the cut labels (8) to a transport roller (11) configured to transport the individual labels (8) such that they are attached to the corresponding container (3) delivered from the conveyor (2). According to the invention, a cutting roller (9) supports at least one cutting device (14) having a respective air suction chamber (15) that is substantially open at a side surface of the cutting roller (9) and contains at least one blade (16). The suction chamber (15) can be connected to an air suction device (17) for pulling the label tape (7) toward the blade (16), thereby cutting the label tape (7).
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