Online automatic detecting and defoaming method for bonding spray glue
An automatic detection and glue spraying technology, which is applied in the direction of material inspection products, foam dispersion/prevention, etc., can solve the problems of barreled glue treatment, air bubbles, uneven mixing, etc., and achieve high defoaming efficiency, easy operation and maintenance, and reliable operation Effect
Active Publication Date: 2014-12-03
上海九星印刷包装有限公司
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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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[0019] Further illustrate by the following examples.
[0020] as attached figure 1 As shown, the glue spraying test is carried out before the glue spraying is updated or the printing operation is on the machine; or online detection is carried out during production; the glue spraying point is detected through the detection head, and the water amount of the glue spraying point is controlled by a moisture detection system. The defoaming judgment is based on the evaluation of the water volume of the glue point. If the water volume of the glue point judges that the foam in the glue spray is not detected or is lower than the standard, no need to defoam; if the water volume of the glue point judges that the foam in the glue spray exceeds the standard, start Defoaming, and then start the online physical defoaming until the glue point detection and defoaming judge that the foam is not detected or is lower than the standard, so there is no need to defoam.
[0021] In the foregoing, as...
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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...
Claims
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IPC IPC(8): G01N33/26B01D19/02
Inventor 尚庆昌周广伟谢跃华孙玉鑫
Owner 上海九星印刷包装有限公司
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