CN110144609A - A kind of electroplating processing method of repeatedly heavy zinc - Google Patents
A kind of electroplating processing method of repeatedly heavy zinc Download PDFInfo
- Publication number
- CN110144609A CN110144609A CN201910513211.8A CN201910513211A CN110144609A CN 110144609 A CN110144609 A CN 110144609A CN 201910513211 A CN201910513211 A CN 201910513211A CN 110144609 A CN110144609 A CN 110144609A
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- CN
- China
- Prior art keywords
- zinc
- heavy zinc
- processing method
- heavy
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The present invention provides a kind of electroplating processing methods of repeatedly heavy zinc comprising following procedure of processing: 1) to product carries out oil removing and cleaning treatment；2) the heavy zinc operation of first time is carried out in heavy zinc pond；3) it carries out moving back zinc operation in zinc pond moving back；4) secondary heavy zinc operation is carried out in heavy zinc pond；5) electroplating processes are carried out in product surface.The present invention can effectively improve the uniformity of the heavy zinc thin layer of product surface compared to the prior art.
Description
Technical field
The present invention relates to field of electroplating, in particular to a kind of electroplating processing method of repeatedly heavy zinc.
Background technique
Plating is to plate the process of the other metal or alloy of a thin layer on certain metal surfaces using electrolysis principle, master
To make the technique of the surface of metal or other materials product attachment layer of metal film using electrolysis prevents metal to play
The effects of oxidation (as corroded), raising wearability, electric conductivity, reflective, corrosion resistance (copper sulphate etc.) and having improved aesthetic appearance.
Heavy zinc is a step important in electroplating technology, and the main purpose of heavy zinc is so that the surface of product generates
One heavy zinc thin layer provides good binding force for direct copper plating, nickel plating, the chemical sinking nickel etc. of subsequent handling.But it is current heavy
Zinc technology is all only to carry out once, thus, sometimes, the heavy zinc thin layer of product surface will lead to the problem of non-uniform.
Summary of the invention
In consideration of it, product table can be effectively improved the present invention provides a kind of electroplating processing method of repeatedly heavy zinc
The uniformity of the heavy zinc thin layer in face.
For this purpose, the present invention provides a kind of electroplating processing methods of repeatedly heavy zinc comprising following procedure of processing:
1) oil removing and cleaning treatment are carried out to product；
2) the heavy zinc operation of first time is carried out in heavy zinc pond；
3) it carries out moving back zinc operation in zinc pond moving back；
4) secondary heavy zinc operation is carried out in heavy zinc pond；
5) electroplating processes are carried out in product surface.
Further, above-mentioned steps 1) in, product is carried out at ultrasonic oil removal by ultrasonic unit in service sink
Reason.
Further, above-mentioned steps 1) in, product is started the cleaning processing by alkali cleaning agent in alkali cleaning pond.
Further, above-mentioned steps 2) in, in the heavy zinc operation of first time, the proportion of each heave zinc liquid used are as follows:
Sodium hydroxide 70-80g, zinc oxide 7-8g, surplus are water.
Further, above-mentioned steps 3) in, it moves back in zinc operation, what is used moves back zinc liquid level nitric acid solution.
Further, above-mentioned steps 4) in, in secondary heavy zinc operation, the proportion of each heave zinc liquid used are as follows:
Sodium hydroxide 80-85g, zinc oxide 8-9g, surplus are water.
Further, above-mentioned steps 5) in, product first carries out Nickel Plating Treatment in nickel plating pond, then is plated in plate tin pool
Tin processing.
Further, filter basket is provided in above-mentioned heavy zinc pond, the opposite sides of filter basket has inside recessed structures.
Further, the V-shaped structure of above-mentioned recessed structures.
A kind of electroplating processing method of repeatedly heavy zinc provided by the present invention, by first time heavy zinc, moves back zinc, again second
The processing method of heavy zinc, the uniformly thin layer of heavy zinc that will can sink for the first time in zinc carry out it is secondary sink zinc again, thus with
This heavy zinc thin layer come out can be more uniform, and then can effectively improve the heavy zinc thin layer of product surface compared to the prior art
The uniformity.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the knot of electroplating bath involved in a kind of electroplating processing method of repeatedly heavy zinc provided in an embodiment of the present invention
Structure schematic diagram.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
The embodiment of the invention provides a kind of electroplating processing methods of repeatedly heavy zinc, mainly include following procedure of processing:
S1: oil removing and cleaning treatment are carried out to product: specifically, first in service sink by ultrasonic unit to product into
The processing of row ultrasonic oil removal, then product is started the cleaning processing by alkali cleaning agent in alkali cleaning pond；
S2: the heavy zinc operation of first time is carried out in heavy zinc pond: specifically, in the heavy zinc operation of first time, what is used is every
The proportion of one heave zinc liquid are as follows: sodium hydroxide 80g, zinc oxide 8g, surplus are water；
S3: it carries out moving back zinc operation in zinc pond moving back: specifically, move back in zinc operation, what is used moves back zinc liquid level nitric acid solution；
S4: secondary heavy zinc operation is carried out in heavy zinc pond: specifically, in the heavy zinc operation of first time, what is used is every
The proportion of one heave zinc liquid are as follows: sodium hydroxide 85g, zinc oxide 9g, surplus are water；
S5: carry out electroplating processes in product surface: specifically, product first carries out Nickel Plating Treatment in nickel plating pond, then is plating
Tin plating processing is carried out in tin pond.
In addition, above-mentioned first time sink the heavy zinc liquid that zinc uses and the heavy zinc liquid that second of heavy zinc uses can also use with
Under proportion, also can achieve similar technical effect, shown in table specific as follows.
A kind of electroplating processing method of repeatedly heavy zinc provided by above-described embodiment, by first time sink zinc, move back zinc, again the
The processing method of secondary heavy zinc, the uniformly thin layer of heavy zinc that will can sink for the first time in zinc carry out it is secondary sink zinc again, by
Sodium hydroxide, oxidation zinc concentration in second heavy zinc sink compared to first time sodium hydroxide in zinc, zinc oxide it is dense
Degree increases, thus the reinforcing effect of heavy zinc thin layer may be implemented, can be more uniform with the heavy zinc thin layer that this comes out, heavy zinc
The intensity of thin layer can also be higher, and then can effectively improve the uniform of the heavy zinc thin layer of product surface compared to the prior art
Degree.
Referring to Fig. 1, filter basket 1 is provided in heavy zinc pond, the opposite sides of filter basket 1 has inside recessed structures 11, and should
The V-shaped structure of recessed structures 11.By the setting of above-mentioned filter basket structure, heavy zinc liquid when heavy zinc is allowed to pass through recessed structures
Guiding more enter in the intermediate region of heap buildup, the product for allowing this part to be less easily accessible to heavy zinc liquid obtains
Preferably heavy zinc processing is obtained, heavy zinc efficiency is improved, the heavy zinc of the supplement without carrying out the later period.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of electroplating processing method of repeatedly heavy zinc, which is characterized in that including following procedure of processing:
1) oil removing and cleaning treatment are carried out to product；
2) the heavy zinc operation of first time is carried out in heavy zinc pond；
3) it carries out moving back zinc operation in zinc pond moving back；
4) secondary heavy zinc operation is carried out in the heavy zinc pond；
5) electroplating processes are carried out in product surface.
2. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 1),
Ultrasonic oil removal processing is carried out to product by ultrasonic unit in service sink.
3. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 1),
Product is started the cleaning processing by alkali cleaning agent in alkali cleaning pond.
4. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 2),
In the heavy zinc operation of first time, the proportion of each heave zinc liquid used are as follows: sodium hydroxide 70-80g, zinc oxide 7-8g, surplus
For water.
5. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 3),
It moves back in zinc operation, what is used moves back zinc liquid level nitric acid solution.
6. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 4),
In secondary heavy zinc operation, the proportion of each heave zinc liquid used are as follows: sodium hydroxide 80-85g, zinc oxide 8-9g, surplus
For water.
7. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that in the step 5),
The product first carries out Nickel Plating Treatment in nickel plating pond, then tin plating processing is carried out in plate tin pool.
8. a kind of electroplating processing method of repeatedly heavy zinc according to claim 1, which is characterized in that set in the heavy zinc pond
It is equipped with filter basket (1), the opposite sides of the filter basket (1) has inside recessed structures (11).
9. a kind of electroplating processing method of repeatedly heavy zinc according to claim 8, which is characterized in that the recessed structures
(11) V-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513211.8A CN110144609A (en) | 2019-06-13 | 2019-06-13 | A kind of electroplating processing method of repeatedly heavy zinc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513211.8A CN110144609A (en) | 2019-06-13 | 2019-06-13 | A kind of electroplating processing method of repeatedly heavy zinc |
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| CN110144609A true CN110144609A (en) | 2019-08-20 |
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| CN201910513211.8A Pending CN110144609A (en) | 2019-06-13 | 2019-06-13 | A kind of electroplating processing method of repeatedly heavy zinc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289479A (en) * | 2020-09-09 | 2021-01-29 | 杭州尖力机械有限公司 | Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289479A (en) * | 2020-09-09 | 2021-01-29 | 杭州尖力机械有限公司 | Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof |
| CN112289479B (en) * | 2020-09-09 | 2022-03-18 | 杭州尖力机械有限公司 | Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof |
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Application publication date: 20190820 |