Online automatic detecting and defoaming method for bonding spray glue

Abstract

The invention discloses an online automatic detecting and defoaming method for bonding spray glue. The method comprises the steps of: testing the bonding spray glue before use or detecting the bonding spray glue on line in the production process; detecting a glue spraying point by a detection head, and carrying out defoaming judgment on the glue amount of the glue spraying point on the basis of water volume estimation of the glue spraying point by adopting a water content detection system; if judging that foams in the bonding spray glue are not detected or the number of the foams is lower than a standard value, stopping defoaming; and if judging that the number of the foams in the bonding spray glue exceeds the standard value by the water content of the glue spraying point, carrying out online physical defoaming until not defoaming when judging that the foams in the bonding spray glue are not detected or the number of the foams is lower than the standard value by detecting the glue spraying point and judging the defoaming operation. The defoaming operation can be also visually and directly judged by observing glue water bubbles. The method has the advantages of simple and compact process, energy saving, safety, environmental protection, reliability for running, low technical improvement cost, simplicity and convenience for operation and maintenance, high defoaming efficiency, no influence on the quality of glue water, and capabilities of meeting the automatic online operation standard, supporting the high-quality bonding process and reducing the dependency on the early-stage quality of the bonding spray glue.

Description

technical field [0001] The invention relates to the field of physics, device or equipment of international patent classification B65B packaging materials or B01D separation technology, especially the on-line automatic detection and defoaming method of adhesive spraying. Background technique [0002] In the existing printing technology, after the whole cylinder of glue is placed in the warehouse for a period of time, due to the influence of the temperature and humidity environment on the adhesive and other components in the glue, a slight chemical action occurs, resulting in air bubbles, or there are some air bubbles after the glue is produced. Air bubbles directly affect the viscosity of the glue, affect the bonding effect, lead to the occurrence of weak bonding, and bring great hidden dangers to product quality. There are often customers who complain about glue opening, but after careful inspection, there is glue, but the glue is obviously uneven and the concentration is no...

AI Technical Summary

Problems solved by technology

[0010] Generally, before the production of the printing operation, due to various reasons, the production personnel cannot complete the technical treatment of the barreled glue before using the glue adhesive, and even if the simple uneven mixing is done, even more air bubbles will be generated.

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