Compressed air cleanliness detection apparatus and method thereof

Abstract

The invention provides a compressed air cleanliness detection apparatus and a method thereof. The apparatus comprises a left straight plate, a right straight plate and a base, and the left straight plate and the right straight plate are oppositely provided and vertically fixed on an up end of the base; an end face of the left straight plate which is opposite to the right straight plate is provided with a fixing clamp, and the right straight plate is opened with a through fixed orifice. The method for carrying out compressed air cleanliness detection by using the apparatus comprises the following steps: a cleaning test piece is fixed on an end face of the left straight plate by a fixing clamp; compressed air from a compressed air source sprays to the test piece through the fixed orifice on the right straight plate for 15-30s; the test piece is fetched out, a visual inspection for the test piece surface is carried out for determining whether visible water, oil or traces of solid particles exist, if the existence is determined, the air cleanliness is not up to the standard, conversely the air cleanliness is up to the standard. The compressed air cleanliness detection apparatus has the advantages of small volume, light quality, carriage and transfer convenience; the compressed air cleanliness detection method by using the apparatus is convenient and practical, rapid and accurate, and can effectively guarantee quality of the compressed air for production.

Description

technical field [0001] The invention relates to a compressed air cleanliness detection device, and also relates to a compressed air cleanliness detection method using the compressed air cleanliness detection device. Background technique [0002] In the manufacturing industry, the use of compressed air is very common. In the process of using compressed air, the cleanliness of the compressed air has a great influence on the quality of the product. For example, in the electroplating industry, if the electroplating tank is stirred with compressed air, when the compressed air contains oil, it may cause the tank Liquid pollution, the phenomenon that the product has no coating or the bonding force of the coating is unqualified; another example is in spraying technology, often using compressed air to press the paint out of the spray gun for coating, such as compressed air containing oil, water or solids Particles, these substances will be mixed into the coating with the compressed ...

AI Technical Summary

Problems solved by technology

In the process of using compressed air, the cleanliness of the compressed air has a great influence on the quality of the product. For example, in the electroplating industry, if the electroplating tank is stirred with compressed air, when the compressed air contains oil, it may cause the tank Liquid pollution, the phenomenon that the product has no coating or the bonding force of the coating is unqualified; another example is in spraying technology, often using compressed air to press the paint out of the spray gun for coating, such as compressed air containing oil, water or solids Particles, these substances will be mixed into the coating with compressed air, and will adhere to the surface or inside of the coating during the spraying process, which will have a certain impact on the appearance, bonding force and other properties of the product, resulting in product rework, repair, or even scrapping. Seriously restricting the progress and development of production

[0003] Therefore, it is very important and necessary to test the cleanliness of compressed air used in production. However, in reality, there is no corresponding equipment that can detect it conveniently, quickly and accurately. It is inconvenient to place it on the worktable at will, and it is easy to contaminate the test piece, thus affecting the accuracy of the test result

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