Three kinds of labeling machine commonly used labeling method

With the development of economy and the improvement of people's living standards, each circulation commodity needs to indicate relevant information such as the date of production of the production date, packaging is the carrier of information, and the labeling of commodities is the way to achieve it. Labeling machine is a machine that adds labels to packages or products. It not only has a beautiful effect, but more importantly, it can realize the tracking and management of product sales, especially in the pharmaceutical, food and other industries. Start product recall mechanism. Labeling machines are an integral part of modern packaging. At present, the types of production labeling machines in China are gradually increasing, and the technological level has also been greatly improved. From the backward situation of manual and semi-automatic labeling, it has turned to the pattern of automated high-speed labeling machines to occupy the vast market. At present, there are three labeling methods for labeling machines:

First, suction method (or suction method)

This is the most common labeling technique. When the label paper leaves the conveyor belt, it is distributed on a vacuum pad, which is connected to the end of a mechanical device. When the mechanism is stretched until the label contacts the package, it is retracted and the label is attached to the package. This technology reliably achieves correct labeling with high precision. This method is suitable for top or side labeling with a certain variation in the height of product packages, or for labeling on the sides of packages that are difficult to handle. However, its labeling speed is slow and the labeling quality is general.

Second, blowing method (or jet method)

Some of the operating modes of this technology are similar to the above-mentioned adsorption method, that is, the tag is placed on the pad of the vacuum pad and fixed until the attachment operation begins. However, in this method, the vacuum surface is kept stationary, the tag is fixed and positioned on a "vacuum grid" which is a plane with several hundred small holes above it, and the small holes are used to maintain the formation of "air." Jet." From these "air jets", a stream of compressed air is blown out. The pressure is so strong that the tag on the vacuum grid is moved and attached to the packaged article. This is a complex technology with high accuracy and reliability.

Third, rub paste method (or brush paste method)

This method is also called synchronous labeling. At the time of labeling, the product immediately takes the label when the front edge portion of the label is affixed to the package. In this type of labeling machine, this method can only be successful if the package speed is consistent with the label dispensing speed. This is a technology that needs to maintain continuous operations, so its labeling efficiency is greatly improved, and it is mostly suitable for high-speed and high-efficiency automated packaging production lines.

This type of method generally has low labeling accuracy. However, the patented technology invented by our company (not described here) perfectly solves this problem and greatly improves the accuracy of labeling and equipment and reduces the difficulty of equipment adjustment without affecting efficiency. .