A thermal coating device and thermal coating process method

Abstract

The invention relates to the technical field of thermal coating, in particular to a thermal coating device and a thermal coating process method. The thermal coating device includes a workpiece grabbing mechanism, a rotating mechanism and a fluidized bed, and the fluidized bed includes a dust collection cover, a device The fluidization chamber in the dust collection hood, the first fluidization plate located in the fluidization chamber, the first fluidization plate divides the fluidization chamber into a fluidization pool and a first inflatable cavity, the first inflatable cavity and a fluidization pool The micropores on the first fluidized plate are connected, the upper part of the fluidized pool is provided with a feed port, the first air chamber is provided with a first air inlet, and the workpiece grabbing mechanism can grab the heated workpiece to be coated and The part of the workpiece to be coated extends into or moves out of the fluidization tank, and the rotating mechanism can make the workpiece and the fluidization tank rotate relative to each other. The invention has the advantages that the fluidization effect of the thermal coating powder is good, and the immersion process of the workpiece in the thermal coating process is relatively reasonable, which can make the workpiece fully contact with the thermal coating powder in a fluidized state, and improve the thermal coating quality. stability.

Description

technical field [0001] The invention relates to the technical field of thermal coating, in particular to a thermal coating device and a thermal coating process method. Background technique [0002] Thermal coating of epoxy resin powder on workpieces (such as stator or rotor coils) is a common insulation treatment process. This process has the following requirements: (1) The workpiece needs to be heated to a specific temperature before coating. temperature, and the temperature of the workpiece has an impact on the coating effect; (2) hot coating powder (epoxy resin powder) needs to be fluidized first (that is, the hot coating powder is blown from the stacked state to the raised and rolled state by air flow, similar to (3) When the workpiece is thermally coated, it needs to be immersed in the thermal coating powder in a fluidized state and fully contact with the powder, so that the powder is adsorbed to the surface of the workpiece and solidified. It can be seen that the flui...

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Problems solved by technology

However, in the thermal coating device of the prior art, it is difficult to ensure the fluidization effect of the thermal coating powder, and the immersion process of the workpiece in the thermal coating process is artificially operated, which is arbitrarily large, and the immersion process is relatively simple, so it is difficult to make the surface of the workpiece Full contact with the powder in the fluidized state makes it difficult to ensure the stability of the thermal coating quality, and lacks effective monitoring of the temperature of the thermally coated workpiece, which is prone to problems that affect the coating quality due to abnormal temperature of the workpiece, and thermal coating construction There is a lot of dust in the area, and the working environment is relatively harsh

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