CN210314518U - Plastic part electroplating pre-dipping device - Google Patents
Plastic part electroplating pre-dipping device Download PDFInfo
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- CN210314518U CN210314518U CN201920396725.5U CN201920396725U CN210314518U CN 210314518 U CN210314518 U CN 210314518U CN 201920396725 U CN201920396725 U CN 201920396725U CN 210314518 U CN210314518 U CN 210314518U
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Abstract
The utility model provides an electroplating and pre-dipping device for plastic parts, which comprises a plating bath, an electrolytic plate and a conductive support component, wherein the plating bath is used for loading pre-dipping liquid, a conductive piece is arranged on the plating bath and used for electrifying the pre-dipping liquid, and the conductive piece is connected with a positive electrode; the electrolytic plate extends into the pre-immersion liquid; the conductive support assembly comprises at least two conductive support parts and a conductive hanging pipe, two ends of the conductive hanging pipe are respectively connected with the conductive support parts, the conductive hanging pipe is erected on the electroplating bath by the conductive support parts, the conductive support assembly is connected with negative electricity, and the conductive hanging pipe is connected with the electrolytic plate; in the process of electrolyzing the pre-immersion liquid, anions in the pre-immersion liquid migrate to the hanging tool and the plastic part and give electrons, so that a negative electricity environment is formed on the hanging tool and the plastic part, palladium is more deposited, and the phenomenon of hook explosion and powder removal of the hanging tool is reduced.
Description
Technical Field
The utility model relates to an electroplate the field, specifically relate to a plastic part electroplates preimpregnation device.
Background
In the electroplating production process of plastic products, because plastics are insulators, before electroplating, a layer of conductive piece (metal film) is required to be formed on the surface of the plastic products in advance, the metal film is used as bottom metal, the plastic products can be electroplated, and the step of forming the metal film is palladium activation. Before palladium activation of a plastic part is carried out, in order to protect palladium water in an electroplating bath and prevent chromium liquid remained on a hanger and a product on the hanger in a previous process from polluting the palladium water and water brought out when the hanger and the product on the hanger in a pretreatment process dilute the palladium liquid, a presoaking process needs to be carried out on the hanger and the product on the hanger in hydrochloric acid, the remained chromium liquid is reduced, the water on the hanger and the product is neutralized, and then the palladium activation process is carried out.
In the existing pre-dipping procedure, a hanger and a product on the hanger are usually placed in a pre-dipping tank, pre-dipping liquid placed in the pre-dipping tank takes hydrochloric acid as a main component, pre-dipping time is designed, and after pre-dipping is finished, the hanger is lifted out of the pre-dipping tank by a crown block and is moved to a palladium tank for palladium activation. In the process of pre-dipping, residual chromium liquid of the hanger and products on the hanger can be reduced, water can be neutralized, however, even though the pre-dipping process is performed, palladium (Pd +) is cation, palladium ions cannot be better attached to the hanger and the products in the process of palladium immersion, the hanger and the products on the hanger are still very easy to have the phenomenon of hook explosion and powder removal (chemical nickel cannot be completely consolidated on a hanger hook head), impurity pollution is caused to the subsequent electroplating process, sand spots are easily formed on the surfaces of the products, and defective products are formed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a plastic part electroplating pre-dipping device for reducing the phenomena of hook explosion and powder shedding of products on a hanging tool and a hanging tool.
In order to achieve the main purpose, the utility model provides a plastic part electroplating pre-immersion device, which comprises an electroplating bath, a plurality of electrolytic plates and a conductive support component, wherein the electroplating bath is used for loading pre-immersion liquid, a conductive piece is arranged on the electroplating bath, the conductive piece is used for electrifying the pre-immersion liquid, and the conductive piece is connected with a positive electrode; a plurality of electrolytic plates extend into the pre-immersion liquid of the electroplating bath; the conductive support component comprises at least two conductive support parts and a conductive hanging pipe, the two ends of the conductive hanging pipe are respectively connected with the conductive support parts, the conductive hanging pipe is erected on the electroplating bath by the conductive support parts, the conductive support component is connected with the negative electrode, and the conductive hanging pipe is connected with the electrolytic plate.
Therefore, the plating bath is filled with the pre-immersion liquid, the hanger and the plastic part on the hanger are immersed in the pre-immersion liquid, the contact part of the hanger and the plastic part, namely the hook head of the hanger, is also completely immersed in the pre-immersion liquid, the pre-immersion liquid is electrified through the conductive piece, the conductive piece is connected with the positive electrode, the electrolytic plate extending into the pre-immersion liquid is connected with the negative electrode, and after electrification, cations in the pre-immersion liquid are transferred to the electrolytic plate and combined with electrons in the electrolysis process of the pre-immersion liquid; anion in the pre-immersion liquid migrates to a hanger and a plastic part on the hanger and gives electrons, so that the hanger and the plastic part form a negative electricity environment, in the next palladium (Pd +) immersion process, because palladium ions are cations, the palladium ions move towards the hanger and the plastic part in the negative electricity environment, so that the palladium ions more completely immerse into the hanger and the plastic part, further, chemical nickel deposition is performed on the hanger and the plastic part through dispergation and chemical nickel engineering, the nickel deposition is more complete, because the hanger hook head also has the existence of the palladium ions, the hanger hook head also fully performs chemical nickel reaction, so that the hanger hook and the plastic part are not easy to generate a hanger hook powder-explosion phenomenon, the impurity pollution caused by electroplating solution due to hanger hook explosion in the subsequent electroplating process is reduced, and the bad sand point phenomenon of the plastic plated part is reduced.
The further scheme is that the conductive support piece comprises a first support pipe and a second support pipe, the first support pipe is vertically connected with the second support pipe, the second support pipe is connected between the first support pipe and the conductive hanging pipe, the first support pipe is horizontally erected on the electroplating bath, and the conductive hanging pipe is horizontally arranged.
It can be seen that the first supporting tube is horizontally erected on the electroplating bath, the first supporting tube is vertically connected with the second supporting tube, the second supporting tube is connected between the first supporting tube and the conductive hanging tube, the first supporting tube can be rotated by the aid of the first supporting tube, the placing height of the conductive hanging tube is adjusted, and the electrolysis degree is convenient to adjust.
The further proposal is that the conductive hanging pipe is arranged in the electroplating bath, and a distance is arranged between the conductive hanging pipe and the top opening of the electroplating bath.
Therefore, the electrolytic plate is connected to the conductive hanging pipe, and a distance is arranged between the conductive hanging pipe and the top opening of the electroplating bath, so that the electrolytic plate can be conveniently and completely soaked in the pre-immersion liquid.
The further proposal is that a plurality of conductive hooks are arranged on the conductive hanging pipe, the distance between every two adjacent conductive hooks is equal, and the conductive hooks are connected with the electrolytic plate.
Therefore, the electrolytic plates are hung on the conductive hanging pipes through the conductive hooks, and the distance between every two adjacent conductive hooks is equal, so that the corresponding areas of each electrolytic plate in the electroplating bath are the same, the electrolytic effect is more uniform and better, and electrons attached to the hanger and the plastic part are more uniform.
The further proposal is that the setting height of the conductive hook is not higher than the water level of the pre-immersion liquid.
Therefore, the height of the conductive hook is not higher than the water level of the pre-immersion liquid, so that the electrolytic plate is completely immersed in the pre-immersion liquid, the current of the pre-immersion liquid is larger in the electrolytic process, the electrolysis is more thorough, and the electron attachment effect on the hanger and the plastic part is better.
The electroplating bath is a cuboid, the number of the conductive support assemblies is two, the two conductive support assemblies are respectively close to two inner side walls which are oppositely arranged along the length direction of the electroplating bath and are close to the electroplating bath, the two conductive support assemblies are connected through a wire, and the conductive piece is arranged between the two sets of conductive support assemblies.
Therefore, the electroplating bath is oppositely arranged on the two inner side walls, the plurality of electrolytic plates are respectively arranged on the two inner side walls, and the hanging tool and the plastic part are positioned between the electrolytic plates on the two inner side walls in the electrolysis process, so that the current distribution in the electroplating bath is more uniform, and the electrolysis effect is better.
The electroplating bath is a conductive electroplating bath, a conductive bearing table is arranged on the outer side wall of the electroplating bath, and the conductive piece is arranged on the conductive bearing table.
Therefore, the conductive bearing table is arranged on the outer side wall of the electroplating bath, and the conductive piece is arranged on the conductive bearing table, so that the conductive piece can be conveniently and electrically connected, and the pre-immersion liquid in the electroplating bath can be electrified.
Drawings
Fig. 1 is a structural diagram of an embodiment of an electroplating pre-dipping device for plastic parts according to the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, the plastic part electroplating pre-immersion device of the present invention includes an electroplating bath 1, a plurality of electrolytic plates 2 and a conductive supporting assembly 3, wherein the conductive supporting assembly 3 is used for erecting the plurality of electrolytic plates 2 in the electroplating bath 1. The electroplating bath 1 is used for loading a pre-immersion liquid, a conductive piece 4 is arranged on the electroplating bath 1, the pre-immersion liquid is electrified through the conductive piece 4, the conductive piece 4 is connected with the positive pole of a power supply, and the electrolytic plate 2 is connected with the negative pole of the power supply. The plating bath 1 is filled with pre-immersion liquid which is hydrochloric acid solution, the hanging tool and plastic parts on the hanging tool are soaked in the pre-immersion liquid, the pre-immersion liquid is electrified through the conductive part 4, the conductive part 4 is connected with anode electricity, the electrolytic plate 2 extending into the pre-immersion liquid is connected with cathode electricity, and after electrification, cations in the pre-immersion liquid are migrated to the electrolytic plate 2 and combined with electrons in the process of electrolysis of the pre-immersion liquid; anions in the pre-immersion liquid migrate to the hanger and a plastic part on the hanger and give electrons, so that a negative electricity environment is formed on the hanger and the plastic part, in the next palladium (Pd +) immersion process, palladium ions move towards the hanger and the plastic part with the negative electricity environment, and the palladium ions are immersed in the hanger and the plastic part, and further chemical nickel deposition is performed on a hanger hook head and the plastic part through dispergation and chemical nickel engineering.
In the present embodiment, the plating tank 1 is a rectangular parallelepiped, and the plating tank 1 is a conductive plating tank 1. The electroplating bath 1 is provided with conductive bearing platforms 5 on two outer side walls which are arranged oppositely in the width direction of the electroplating bath 1, conductive pieces 4 are arranged on the conductive bearing platforms 5, the conductive pieces 4 can be palladium flying seats, and the conductive pieces 4 are connected with positive electrodes of a rectifier.
In the present embodiment, the conductive support member 3 is used to support the electrolyte plate 2, so that the electrolyte plate 2 is firmly immersed in the pre-immersion liquid. The conductive support assembly 3 includes two conductive support members 30 and a conductive hanging tube 31, the conductive hanging tube 31 is a strip, two ends of the conductive hanging tube 31 along the length direction are respectively connected with the conductive support members 30, and the conductive hanging tube 31 is erected on the electroplating bath 1 by the conductive support members 30. The conductive support 30 comprises a first support tube 32 and a second support tube 33, the first support tube 32 is vertically connected with the second support tube 33, the second support tube 33 is connected between the first support tube 32 and the conductive hanging tube 31, the first support tube 32 is horizontally erected on the electroplating bath 1, so that the second support tube 33 is arranged along the vertical direction, in the embodiment, the conductive hanging tube 31 is also horizontally arranged along the length direction of the electroplating bath 1, the first support tube 32 can be rotated by passing, the placing height of the conductive hanging tube 31 can be adjusted, the soaking degree of the electrolytic plate 2 in the pre-immersion liquid can be adjusted, and the electrolysis degree can be adjusted conveniently. The conductive hanging pipe 31 is arranged in the electroplating bath 1, and a distance is arranged between the conductive hanging pipe 31 and the top opening of the electroplating bath 1, wherein the distance can be 10 cm-15 cm. In this embodiment, set up a plurality of conductive hooks 34 on the electrically conductive hanging pipe 31, the interval between per two adjacent conductive hooks 34 equals, electrolysis board 2 hangs on electrically conductive hanging pipe 31 through conductive hook 34, electrolysis board 2 and conductive hook 34 one-to-one, and conductive hook 34 sets up the water liquid level that highly is not higher than the preimpregnation liquid, electrolysis board 2 soaks completely in the preimpregnation liquid, make the electrolysis in-process, the preimpregnation liquid electric current is bigger, the electrolysis is more thorough, electron adhesion effect is better on messenger's hanger and the plastic part. The electrolytic plates 2 in the electroplating bath 1 are arranged at equal intervals, so that the corresponding areas of each electrolytic plate 2 are the same, the electrolytic effect is more uniform and better, and the electrons attached to the hangers and the plastic parts are more uniform. The conductive support assembly 3 is connected to the negative pole of the rectifier so that the electrolytic plate 2 is also connected to the negative pole of the rectifier.
In this embodiment, the quantity of conductive support component 3 is two, two conductive support component 3 are close to plating bath 1 respectively along the length direction of plating bath 1 and two inside wall settings that set up relatively, two conductive support component 3 pass through wire 35 and connect, electrically conductive 4 sets up between two sets of conductive support component 3, at the in-process of electrolysis, hanger and plastic part are located plating bath 1 along the length direction of plating bath 1 and between two inside walls that set up relatively, make current distribution more even in the plating bath 1, make the electrolysis effect better.
In this embodiment, the conductive hanging tube 31 is a titanium-clad copper tube, and the electrolytic plate 2 is an iridium-titanium alloy electrolytic plate 2.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (7)
1. The plastic part electroplates preimpregnation device, its characterized in that includes:
the electroplating bath is used for loading a pre-immersion liquid, and is provided with a conductive piece which is used for electrifying the pre-immersion liquid and is connected with a positive electrode;
a plurality of electrolyte plates extending into the pre-immersion fluid of the plating bath;
the conductive support assembly comprises at least two conductive support pieces and a conductive hanging pipe, the two ends of the conductive hanging pipe are respectively connected with the conductive support pieces, the conductive support pieces are used for erecting the conductive hanging pipe on the electroplating bath, the conductive support assembly is connected with the negative electrode, and the conductive hanging pipe is connected with the electrolytic plate.
2. The plastic part electroplating prepreg device according to claim 1, wherein:
the conductive support comprises a first support pipe and a second support pipe, the first support pipe is vertically connected with the second support pipe, the second support pipe is connected between the first support pipe and the conductive hanging pipe, the first support pipe is horizontally erected on the electroplating bath, and the conductive hanging pipe is horizontally arranged.
3. The plastic part electroplating prepreg device according to claim 2, wherein:
the conductive hanging pipe is arranged in the electroplating bath, and a gap is formed between the conductive hanging pipe and the top opening of the electroplating bath.
4. The plastic part electroplating prepreg device according to claim 3, wherein:
the conductive hanging pipe is provided with a plurality of conductive hooks, the distance between every two adjacent conductive hooks is equal, and the conductive hooks are connected with the electrolytic plate.
5. The plastic part electroplating prepreg device according to claim 4, wherein:
the height of the conductive hook is not higher than the water level of the pre-immersion liquid.
6. The plastic part electroplating prepreg device according to claim 5, wherein:
the electroplating bath is a cuboid, the number of the conductive support assemblies is two, the two conductive support assemblies are respectively close to two inner side walls which are arranged along the length direction of the electroplating bath and are opposite to each other, the two conductive support assemblies are connected through a wire, and the conductive piece is arranged between the two conductive support assemblies.
7. The plastic part electroplating prepreg device according to any one of claims 1 to 6, wherein:
the electroplating bath is a conductive electroplating bath, a conductive bearing platform is arranged on the outer side wall of the electroplating bath, and the conductive piece is arranged on the conductive bearing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396725.5U CN210314518U (en) | 2019-03-26 | 2019-03-26 | Plastic part electroplating pre-dipping device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396725.5U CN210314518U (en) | 2019-03-26 | 2019-03-26 | Plastic part electroplating pre-dipping device |
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| CN210314518U true CN210314518U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920396725.5U Active CN210314518U (en) | 2019-03-26 | 2019-03-26 | Plastic part electroplating pre-dipping device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811381A (en) * | 2019-03-26 | 2019-05-28 | 阳江三威科技有限公司 | Pre-impregnation device is electroplated in plastic parts electro-plating method and plastic parts |
| CN111501075A (en) * | 2020-05-06 | 2020-08-07 | 清远敏惠汽车零部件有限公司 | Plastic electroplating pretreatment process |
-
2019
- 2019-03-26 CN CN201920396725.5U patent/CN210314518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811381A (en) * | 2019-03-26 | 2019-05-28 | 阳江三威科技有限公司 | Pre-impregnation device is electroplated in plastic parts electro-plating method and plastic parts |
| CN111501075A (en) * | 2020-05-06 | 2020-08-07 | 清远敏惠汽车零部件有限公司 | Plastic electroplating pretreatment process |
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