Automatic film coating system and method for precious metal coins
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A coating system and precious metal coin technology, applied in metal material coating process, superimposed layer coating, coating, etc., can solve the problems of low coating efficiency and poor consistency, achieve continuous coating, improve efficiency, and reduce manual intervention Effect
Inactive Publication Date: 2015-03-25
SHENZHEN GUOBAO MINT
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[0004] The (main) purpose of the present invention is to propose an automatic coating system for precious metal coins to solve the technical problems of low coating efficiency and poor consistency in the above-mentioned prior art
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Embodiment 1
[0033] Such as Figure 1-3 Shown is an automatic production line for precious metal coin coating, which includes a production line main body 9 and sequentially connected feeding assembly 1, dust blowing assembly 2, coating assembly 3, dipping and spraying assembly 4, drying assembly 5 and unloading assembly 6, The main body of the production line includes a loading station, a dust blowing station, a coating station, a dipping and spraying station, a drying station and a blanking station, which are respectively used to place the feeding assembly, dust blowing assembly, Coating assembly, dipping and spraying assembly, drying assembly and unloading assembly, the main body of the production line is also equipped with a manipulator control device for picking and placing the washing basket containing precious metal coins to a predetermined station; wherein:
[0034] Such as Figure 1-3 As shown, the main body 9 of the production line includes a feeding station, a dust blowing stati...
Embodiment 2
[0049] Such as Figure 8 As shown, the precious metal coin automatic coating method of this embodiment adopts the precious metal coin automatic coating system as described above, including the following steps:
[0050] Loading, that is, placing the washing basket containing precious metal coins at the predetermined station by the robot, and then transporting it to the dust blowing station.
[0051] Dust blowing, air blowing at the dust blowing station, and then transported to the coating station. The dust blowing step uses compressed air filtered by a high-efficiency filter, and the filtration accuracy is preferably about 1 μm.
[0052] Coating, at the coating station, the coating is soaked in the coating solution, and then transported to the dipping and spraying station. The coating step also preferably includes an automatic dosing step, which includes the following sub-steps: pH value detection; when it is detected that the pH value of the coating solution exceeds a preset...
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Abstract
The invention discloses an automatic film coating system and an automatic film coating method for precious metal coins. The automatic film coating system comprises a production line main body as well as a loading assembly, a dust blowing assembly, a film coating assembly, a rinsing-spraying assembly, a blow-drying assembly and an unloading assembly which are sequentially connected, wherein the loading assembly is used for loading; the dust blowing assembly is used for blowing dust; the film coating assembly is used for coating the surfaces of the precious metal coins with films; the rinsing-spraying assembly is used for carrying out rinsing and spraying after the film coating; the blow-drying assembly is used for removing moisture; the unloading assembly is used for unloading; the production line main body is further provided with a mechanical arm control device which is used for placing a cleaning basket accommodating the precious metal coins to a preset station. According to the automatic film coating system and the automatic film coating method, by virtue of the loading assembly, the dust blowing assembly, the film coating assembly, the rinsing-spraying assembly, the blow-drying assembly and the unloading assembly which are sequentially connected, the automatic film coating of the precious metal coins can be realized, and manual intervention is reduced, so that the inconsistency of the film coating caused by the manual operation can be avoided, meanwhile, the continuous film coating is achieved, and the efficiency is increased.
Description
technical field [0001] The invention relates to the field of coating technology, in particular to an automatic production line for coating of precious metal coins and a coating method thereof. Background technique [0002] At present, precious metal coins such as gold and silver coins are coated by hand. The quality of the coating depends heavily on the experience and skills of the workers, which makes it difficult to improve the coating efficiency and ensure the consistency of the coating quality. Therefore, it is necessary to develop automation. Coating production line to improve efficiency and coating quality. [0003] The disclosure of the above background technical content is only used to assist in understanding the inventive concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of this patent application. There is no clear evidence that the above content has been disclosed on the filing date of this patent applic...
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