What is the function of the labeling machine-industry news
by：Zhongya Packaging 2022-05-26
Labeling machine (Labeller) is a device for sticking rolls of self-adhesive paper labels (paper or metal foil) on PCBs, products or specified packaging. The labeling machine is an indispensable part of modern packaging. At present, the types of labeling machines produced in my country are gradually increasing, and the technical level has also been greatly improved. It has shifted from the backward situation of manual and semi-automatic labeling to the pattern of automatic high-speed labeling machines occupying the vast market. Labeling rate: the percentage of the number of packaging containers that are labeled according to the labeling requirements (single label or multiple labels) to the total number of packaging containers that are inspected. Lost label rate: In the labeling process, the percentage of the number of labels damaged by the labeling machine and the total number of labels consumed by the inspected packaging container when labeling. positive labeling rate: the percentage of the number of positively labeled packaging containers to the total number of checked packaging containers among the packaging containers being inspected. The advantages of the labeling machine: has a wide range of applications, which can meet the full circle labeling or half circle labeling of round bottles, the labeling switch between bottles is simple, and the adjustment is convenient. The label has a high degree of coincidence, the label tape is circumvented with a correction mechanism, the label does not deviate, the labeling position x/y/z three directions and a total of eight degrees of freedom can be adjusted, there is no dead angle in the adjustment, and the label has a high degree of label coincidence. The working principle of labeling machine: The beginning of the working process of is that the box is fed to the labeling machine at a constant speed on the conveyor belt. The mechanical fixing device separates the boxes by a fixed distance and pushes the boxes along the conveyor belt. The mechanical system of the labeling machine includes a driving wheel, a labeling wheel, and a reel. The driving wheel drags the label tape movement intermittently, the label tape is pulled out from the reel, and the labeling wheel will press the label tape on the box after passing through the labeling wheel. An open-loop displacement control is used on the reel to maintain the tension of the label tape. Because the labels are closely connected to each other on the label tape, the label tape must constantly start and stop. The label is affixed to the box when the labeling wheel moves at the same speed as the box. When the conveyor belt reaches a certain position, the label belt drive wheel will accelerate to a speed that matches the conveyor belt, and after the label is attached, it will decelerate to a stop. Because the label may slide, there is a registration mark on it to ensure that each label is placed correctly. The registration mark is read by a sensor. During the deceleration phase of the label tape, the drive wheel will readjust its position to correct any position errors on the label tape. Application industry of the labeling machine: Purpose: to automatically paste the label, and automatically label the product on the circumference of the product; Function: improve the efficiency of product labeling, accurate location, good quality, and high stability; avoid manual labor A series of problems such as low labeling efficiency, skewed attachment, uneven glue thickness and wrinkles, effectively reduce the waste of paste, reduce the labor cost of labeling, improve the aesthetics of the product logo, and enhance the comprehensive competitiveness of the product. Scope of application: Suitable for any industry to produce packaging with materials such as bottles, bags, and plastics. Applicable label: paper label (paste required). Applicable products: products that require paste labels to be attached to the circumferential surface. Application industry: widely used in food, daily chemical, medicine, wine and other industries. application examples: paste labeling on firecrackers, paste labeling on beer, paste labeling on pesticide bottles, etc.
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