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Device and method for controlling material dipping time in electrophoretic painting

A technology of electrophoretic coating and time, applied in the direction of electrolytic coating, electrophoretic plating, coating, etc., can solve the problem that product quality cannot be effectively controlled, and achieve the effect of reducing labor intensity and improving product quality

Inactive Publication Date: 2014-03-12
CHANGSHA XIANDA INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current electrophoretic coating mostly adopts non-program-controlled driving, so the manual operation is random to the time control, and the product quality cannot be effectively controlled.

Method used

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  • Device and method for controlling material dipping time in electrophoretic painting

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Embodiment Construction

[0017] like figure 1 The shown device for controlling the dipping time of electrophoretic coating has a programmable logic controller (PLC) 3, and the electrophoretic coating tank includes a pre-degreasing tank 10, a main degreasing tank 9, a surface conditioning tank 8, a phosphating tank 7, The electrophoresis tank 6, the pre-degreasing tank 10, the main degreasing tank 9, the surface conditioning tank 8, the phosphating tank 7, and the electrophoresis tank 6 respectively have a position sensor 11 electrically connected to a programmable logic controller (PLC) 3, the said The programmable logic controller (PLC) 3 is electrically connected with a material indicator 1 and a timing indicator that reflect the production status of the pre-degreasing tank 10 , the main degreasing tank 9 , the surface adjustment tank 8 , the phosphating tank 7 and the electrophoresis tank 6 respectively. 2. The programmable logic controller (PLC) 3 is electrically connected with an alarm 5 and a to...

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Abstract

The invention discloses a device and a method for controlling the material dipping time in electrophoretic painting. The device is at least provided with a PLC (programmable logic controller) (3), at least one position sensor (11), at least one material indicating device (1) and at least one timing indicating device (2), wherein the at least one position sensor (11) is arranged on an electrophoretic painting tank (1) and is electrically connected with the PLC (3); the at least one material indicating device (1) and the at least one timing indicating device (2) are electrically connected with the PLC (3). The method for controlling the material dipping time in electrophoretic painting comprises the following processes: when no workpiece is in the electrophoretic painting tank, the position sensors (11) have no detection signal, and the PLC (3) controls the material indicating devices and the timing indicating devices not to send signals; when a lifting appliance lifts a workpiece to fall into the tank, the sensors detect signals, the PLC (3) controls the material indicating devices (1) to send signals, and meanwhile, the PLC (3) begins to time; when the workpiece material dipping time set by the tank is reached, the PLC (3) controls the signals of the material indicating devices (1) to disappear and controls the timing indicating devices (2) to send signals, so that the workpiece can be lifted out.

Description

technical field [0001] The invention relates to the technical field of coating, in particular to a device for controlling the dipping time of electrophoretic coating, and also to a method for controlling the dipping time of electrophoretic coating. Background technique [0002] A good appearance of the electrophoretic paint film can reduce the work intensity of the subsequent process and provide a good paint film foundation for the subsequent process. In order to ensure the normal production and obtain stable coating quality, electrophoretic coating production must strictly control the process. The cathodic electrophoretic coating process generally consists of four main processes: pretreatment, electrophoretic coating, post-electrophoresis cleaning, and electrophoretic coating drying. And the quality of the vehicle paint coating has a very significant impact. The pre-coating treatment mainly includes degreasing, rust removal, scale removal and chemical conversion coating t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D13/22
Inventor 谭景林郑克宇谭刚易建忠杨志成
Owner CHANGSHA XIANDA INDAL
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