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Plating device

A technology of electroplating equipment and electroplating production line, which is applied in the direction of electrolysis process and electrolysis components, and can solve the problems of hydrogen embrittlement strength reduction and other problems

Active Publication Date: 2018-04-17
MUTSUMI GIKEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The strength of the galvanized metal will be reduced due to hydrogen embrittlement

Method used

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Embodiment Construction

[0019] The embodiments of the present invention will be described below according to the drawings. However, the embodiment shown below is to embody the technical idea of ​​the present invention, and the electroplating device is exemplified, and the electroplating device of the present invention does not specifically refer to the following electroplating device.

[0020] In addition, in order to make the claims easier to understand, numbers corresponding to the parts shown in the embodiment are attached to the parts shown in the [Claims] and [Means to Solve the Problem]. However, the components shown in the claims are by no means specific to the components of the embodiment.

[0021] The electroplating device of the present invention is used for galvanizing the surface of metal parts such as screws, heat-treating the hydrogen intruded into the metal lattice in the galvanizing process, that is, baking, driving out hydrogen, eliminating hydrogen embrittlement, and then galvanizin...

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PUM

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Abstract

The invention relates to an electroplating device for galvanizing metal parts, baking after electroplating to eliminate hydrogen embrittlement, and then performing chromate treatment. It has an electroplating production line 1 for galvanizing metal parts, a baking production line 2 for baking electroplated metal parts, and a post-processing production line 3 for chromate treatment for baked metal parts. The electroplating production line 1 has a plurality of liquid tanks 5 arranged along the production line for putting metal parts into the bucket 4 and performing galvanizing treatment, and a first vertical movement for taking out and putting the bucket 4 into each tank 5 and moving along the production line. Institution7. The baking production line 2 has a continuous baking furnace 10 for putting galvanized metal parts into the buckets 4 for baking, and a conveyor belt 11 for moving the buckets 4 in the continuous baking furnace 10 . The post-processing production line 3 has a plurality of liquid tanks 6 for chromate treatment of baked metal parts, and a second vertical movement mechanism 8 for taking out and putting buckets 4 in the liquid tanks 6 and moving along the production line.

Description

technical field [0001] The invention relates to an electroplating device for galvanizing metal parts, baking after electroplating to eliminate hydrogen embrittlement, and then performing chromate treatment. Background technique [0002] The strength of the galvanized metal will be reduced due to hydrogen embrittlement. Hydrogen embrittlement is a phenomenon caused by hydrogen atoms generated in pickling and electrolysis in the plating process. Hydrogen atoms generated in the electroplating process are the smallest of the elements, so they invade the metal lattice of the metal to be plated. The hydrogen intruding into the metal lattice will make the metal brittle, and if there are pores in the metal, it will concentrate in the pores and cause cracks. In order to eliminate this disadvantage, the following treatment is carried out, that is, heat treatment is performed immediately after electroplating to drive out the hydrogen and eliminate hydrogen embrittlement. By baking t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D19/00C25D17/22
Inventor 黑田睦
Owner MUTSUMI GIKEN