Electrophoresis abnormity detector and method
A technology of electrophoresis and electric swimming pool, which is applied in the direction of measuring devices, measuring electrical variables, measuring current/voltage, etc., can solve the problems of production inconvenience and inflow, and achieve the effect of ensuring the quality of coating
Inactive Publication Date: 2014-12-24
BEIQI FOTON MOTOR CO LTD
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Problems solved by technology
After the electrophoresis is over, no matter whether the workpiece is electrophoresed or not, it will be sent to the next station, which will cause the workpiece that has not been electrophoresed to flow into the next process, which will bring a lot of inconvenience to the orderly production.
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[0037] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.
[0038] Electrophoresis is the electrophoretic coating applied to the positive and negative poles. Under the action of voltage, the charged coating ions move to the cathode, and interact with the alkaline substances generated on the surface of the cathode to form insoluble matter, which is deposited on the surface of the workpiece. Different electrophoretic techniques require different voltage, current and power ranges. The phenomenon of non-electrophoresis of the workpiece during the electrophoresis process is usually caused by the following conditions, such as: electrophoresis device or rectifier failure, no voltage output, or poor contact between the workpiece spreader and the electrode, etc. will cause the wor...
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The invention discloses an electrophoresis abnormity detector and a method; the detector comprises the following structures: a voltage sensor used for obtaining the voltage applied to an electrophoresis pool; a current sensor used for obtaining current in the electrophoresis pool; a controller used for detecting whether the voltage obtained by the voltage sensor reaches a set voltage value or not after an electrophoresis signal sent by a workpiece conveying system is received, and used for detecting whether the current obtained by the current sensor reaches a set current value or not. When the voltage does not reach the set voltage value or the current does not reach the set current value, a stop signal is sent to the workpiece conveying system, so the workpiece conveying system can stop conveying operation. The detector and method can timely find out electrophoresis abnormity phenomenon so as to prevent a non-electrophoresis workpiece from entering a nest station.
Description
technical field [0001] The invention relates to the technical field of painting safety, in particular to an electrophoresis anomaly detection device and method. Background technique [0002] Coating refers to covering metal and non-metal surfaces with protective or decorative layers, and is an important link in the surface manufacturing process of construction machinery products. Electrophoretic coating is a coating method that uses an external electric field to make the particles such as pigments and resins suspended in the electrophoretic liquid directional migrate and deposit on the surface of the substrate of one of the electrodes. The electrophoretic coating process generally consists of four main processes: pre-coating pretreatment, electrophoretic coating, post-electrophoretic cleaning, and drying of the electrophoretic coating film. [0003] At present, most of the painting workshops adopt electrophoresis streamlined operation, such as figure 1 Shown is a schematic...
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IPC IPC(8): G01R19/165
Inventor 林桂先孔义清刘保赵子雄
Owner BEIQI FOTON MOTOR CO LTD