Ring-pull can printing quality control system
A printing quality and control system technology, which is applied in the direction of printing, printing machines, general parts of printing machinery, etc., can solve problems such as poor curing effect of can printing ink, deviation of UV light source heat generation, and damage to the health of workers, etc., to achieve improvement The output waveform of the detection signal, the effect of improving the yield rate and improving the detection accuracy
Pending Publication Date: 2022-07-29
河南宝钢制罐有限公司
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Problems solved by technology
Traditional can printing is usually painted with solvent-based coatings, which will cause a large amount of organic solvents to volatilize, affect the performance of the coating film, and also damage the health of workers and cause environmental pollution
UV printing is a printing process that uses ultraviolet light to dry and cure ink. Compared with the traditional method, the use effect is better. However, when the UV light source is used to cure the ink on the surface of the can, it is affected by the long-term aging of the equipment and external interference. Due to the influence of control accuracy and other influences, there is a deviation between the calorific value of the UV light source and the actual set value, resulting in poor curing effect of the can printing ink, black spots on the surface and rough patterns, etc., which affects the yield of the product
Method used
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[0015] Regarding the aforementioned and other technical contents, features and effects of the present invention, the following references are attached with reference to figure 1 and 2 In the detailed description of the embodiments, this will become apparent. The structural contents mentioned in the following embodiments are all referenced to the accompanying drawings.
[0016] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
[0017] A quality control system for can printing, comprising a UV printing machine and a temperature control unit, the UV printing machine comprises a UV light source, the temperature control unit comprises an infrared temperature sensor arranged above the UV light source, and the detection signal of the infrared temperature sensor is sequentially passed through an isolation buffer circuit, The feedback enhancement noise reduction circuit and the waveform stabilization circuit are sent ...
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The ring-pull can printing quality control system comprises a UV printing machine and a temperature control unit, the UV printing machine comprises a UV light source, and the temperature control unit comprises an infrared temperature sensor arranged above the UV light source. A detection signal of the infrared temperature sensor is sequentially processed by the isolation buffer circuit, the feedback enhancement noise reduction circuit and the waveform stabilization circuit and then sent to the controller, the drying temperature of the surface of the zip-top can is detected through the infrared temperature sensor, and the temperature control unit is designed to process the detection signal of the infrared temperature sensor. Interference of equipment and other external factors on infrared detection signals is effectively avoided, the temperature control precision of the UV light source is greatly improved, the curing effect of printing ink of the zip-top can is improved, and the yield of products is increased.
Description
technical field [0001] The invention relates to the technical field of air purification treatment, in particular to a can printing quality control system. Background technique [0002] The existing can production system usually includes cleaning and drying, primer coating and drying, printing and drying, internal spraying and drying, necking and flanging, optical inspection and photography, etc. Traditional cans printing is usually coated with solvent-based coatings, which will cause the volatilization of a large amount of organic solvents, affect the performance of the coating film, and also damage the health of operators and cause environmental pollution. UV printing is a printing process that dries and cures ink by ultraviolet light. Compared with the traditional method, the effect is better. When the UV light source cures the ink on the surface of the can, it is affected by the long-term use of the equipment and the influence of temperature due to external interference. ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B41F33/00B41F23/04G01J5/10
CPCB41F33/00B41F23/0453B41F23/0409G01J5/10
Inventor 王旭峰牛向阳杨超利苏发张玲玲
Owner 河南宝钢制罐有限公司