CN105154964A - Method and device for removing electroplated layer by means of neutral salt solution - Google Patents
Method and device for removing electroplated layer by means of neutral salt solution Download PDFInfo
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- CN105154964A CN105154964A CN201510450237.4A CN201510450237A CN105154964A CN 105154964 A CN105154964 A CN 105154964A CN 201510450237 A CN201510450237 A CN 201510450237A CN 105154964 A CN105154964 A CN 105154964A
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- salt solution
- neutral salt
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Abstract
The invention relates to a method and device for removing an electroplated layer by means of a neutral salt solution. The method comprises the following steps that firstly, an electroplated workpiece is placed in the neutral salt solution with the concentration of 3%-6%; then 12V voltage is applied to the electroplated workpiece for 3-6 minutes; after the electroplated layer of the electroplated workpiece is dissolved in the neutral salt solution, a power source is cut off, and the electroplated workpiece is taken out; finally, residues on the surface of the electroplated workpiece are washed away by means of clear water, so that an original workpiece blank is obtained. According to the method and device for removing the electroplated layer by means of the neutral salt solution, the electroplated layer is electroplated by means of 12 V voltage, and injuries to the human body are avoided; meanwhile, the neutral salt solution is high in stability, not prone to volatilization, high in safety and free of pollution to the environment; a temperature detecting and cooling device is arranged so that operators can be prevented from being scalded by high temperature; various kinds of dirt, such as oil stains, rust stains, oxide skin, the electroplated layer and a paint layer, on the surface layer of the workpiece can be effectively removed, and the removing effect is even.
Description
Technical field
The present invention relates to electroplating processes field, be specifically related to a kind of method and the equipment thereof that use the electrolytic coating of lower concentration neutral salt solution removal workpiece.
Background technology
Electroplating industry is the important processing industry of China, at present with zinc-plated, copper facing, chromium plating and nickel plating equal distribution at manufacture, light industry, electronics, aviation and instrument industry.In existing plating processing, the fraction defective of workpiece accounts for about 10%, after there are substandard products, traditional way is cleaned electroplating parts by strong acid, and this way danger is high, and strong acid can volatilize, the safety of harm operator, the solution after pickling simultaneously pollutes the environment.
Summary of the invention
The object of this invention is to provide a kind of neutral salt solution and remove the method for electrolytic coating and eliminating equipment, have simple to operate, security is high, free of contamination advantage.
The object of the invention is to be achieved through the following technical solutions:
A kind of neutral salt solution removes the method for electrolytic coating, the method comprises the following steps: first electroplating parts is put into the neutral salt solution that concentration is 3%-6%, the voltage 3-6 minute of 12V is applied again to described electroplating parts, treat that the electrolytic coating of described electroplating parts is dissolved in described neutral salt solution, powered-down also takes out described electroplating parts, finally rinse the residue on described electroplating parts surface with clear water, obtain original workpiece blank.
Further, described neutral salt solution is contained in conductive container, and described conductive container connects power cathode, and described electroplating parts connects positive source.
Further, interlayer is provided with in the sidewall of described conductive container, water coolant is full of in described interlayer, the both sides of described conductive container are respectively equipped with the water-in and water outlet that connect this interlayer, the water coolant of high temperature flows out from water outlet, by connecting the refrigerating unit cooling of described water outlet, cooled water coolant enters in described interlayer by water pipe from water-in, is neutral salt solution cooling.
Further, described refrigerating unit is radiator or cooling tower.
Further, the temperature of described neutral salt solution is not higher than 50 degree.
Further, put into temperature sensor in described neutral salt solution, described temperature sensor connects temperature indicator, and described temperature indicator shows the temperature of described center salts solution.
A kind of electrolytic coating eliminating equipment, comprising opening upwards is metal vessel, fills the neutral salt solution of lower concentration in described metal vessel, and described metal vessel connects direct supply by wire, and the positive pole of described direct supply connects Electroplating Rack by wire.
Further, be provided with temperature sensor in described metal vessel, described temperature sensor connects temperature indicator by wire, and described temperature indicator connects described direct supply.
Further, the interlayer be connected is equipped with in the surrounding of described metal vessel and bottom surface sidewall, fill water coolant in described interlayer, the both sides of described metal vessel are respectively equipped with water-in and water outlet, and described water-in is all connected refrigerating unit by water pipe with water outlet.
Further, described refrigerating unit is radiator or cooling tower.
Beneficial effect of the present invention is: the present invention uses 12V potential electrolysis electrolytic coating, can not cause damage to human body, and the stability of neutral salt solution is strong simultaneously, and not volatile, high safety, can not to environment; The present invention is provided with temperature detection and refrigerating unit, prevents temperature too high scald operator; The present invention effectively can remove the various dirt of workpiece surface, such as greasy dirt, rust stain, oxide skin, electrolytic coating, coat of painting, and removal effect is even.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the structure principle chart of a kind of electrolytic coating eliminating equipment described in the embodiment of the present invention.
In figure:
1, stainless steel pond; 2, neutral salt solution; 3,12V umformer; 4, AC power; 5, electroplating parts; 6, temperature sensor; 7, temperature indicator; 8, interlayer; 9, radiator; 10, water-in; 11, water outlet.
Embodiment
As shown in Figure 1, a kind of neutral salt solution described in the embodiment of the present invention removes the method for electrolytic coating, and the method comprises the following steps:
The stainless steel pond 1 of opening upwards is first set, the neutral salt solution 2 that concentration is 3%-6% is held in this stainless steel pond 1, described stainless steel pond 1 connects the negative pole of 12V umformer 3 by wire, described 12V umformer 3 connects AC power 4, the positive pole of described 12V umformer 3 connects electroplating parts 5 by wire, is put in described neutral salt solution 2 by described electroplating parts 5.
Opening power, 12V umformer 3 applies the voltage of 12V to described electroplating parts 5, continue 3-6 minute, treat that the electrolytic coating of described electroplating parts 5 is dissolved in described neutral salt solution 2, the degree of exfoliation of electrolytic coating is higher than 90%, powered-down also takes out described electroplating parts 5, finally rinses the center salts solution on described electroplating parts 5 surface and residual electrolytic coating with clear water, obtains original workpiece blank.
Heat can be produced in the process of metallide layer, the temperature of neutral salt solution 2 can raise gradually, after temperature is higher than 50 degree, can scalded skin, increase dangerous, therefore the temperature of this center salts solution is higher than after 50 degree, stop energising, artificial open cold radiator cooler, for described stainless steel pond 1 lowers the temperature, thus is embodied as center salts solution cooling.
Put into temperature sensor 6 in described neutral salt solution 2, described temperature sensor 6 connects temperature indicator 7, and described temperature indicator 7 shows the temperature of described center salts solution, can obtain the temperature of neutral salt solution 2 more intuitively.
Interlayer 8 is provided with in the sidewall of described conductive container, water coolant is full of in described interlayer 8, the both sides of described conductive container are respectively equipped with the water-in 10 and water outlet 11 that connect this interlayer 8, the water coolant of high temperature flows out from water outlet 11, cooled by the radiator 9 connecting described water outlet 11, cooled water coolant enters in described interlayer 8, for neutral salt solution 2 is lowered the temperature by water pipe from water-in 10.
A kind of electrolytic coating eliminating equipment, comprise the stainless steel pond 1 of opening upwards, the neutral salt solution 2 of lower concentration is filled in described stainless steel pond 1, described metal vessel connects 12V umformer 3 by wire, described 12V umformer 3 connects AC power 4, the positive pole of described 12V umformer 3 connects Electroplating Rack by wire, described Electroplating Rack hangs with some electroplating parts 5, is sunk in neutral salt solution 2 by described Electroplating Rack.
Be provided with temperature sensor 6 in described metal vessel, described temperature sensor 6 connects temperature indicator 7 by wire, and described temperature indicator 7 connects described AC power 4.
The interlayer 8 be connected is equipped with in the surrounding of described metal vessel and bottom surface sidewall, water coolant is filled in described interlayer 8, the both sides of described metal vessel are respectively equipped with water-in 10 and water outlet 11, and described water-in 10 is all connected radiator 9 by water pipe with water outlet 11.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (10)
1. the method for a neutral salt solution removal electrolytic coating, it is characterized in that the method comprises the following steps: first electroplating parts is put into the neutral salt solution that concentration is 3%-6%, the voltage 3-6 minute of 12V is applied again to described electroplating parts, treat that the electrolytic coating of described electroplating parts is dissolved in described neutral salt solution, powered-down also takes out described electroplating parts, finally rinse the residue on described electroplating parts surface with clear water, obtain original workpiece blank.
2. neutral salt solution according to claim 1 removes the method for electrolytic coating, it is characterized in that: described neutral salt solution is contained in conductive container, and described conductive container connects power cathode, and described electroplating parts connects positive source.
3. neutral salt solution according to claim 2 removes the method for electrolytic coating, it is characterized in that: in the sidewall of described conductive container, be provided with interlayer, water coolant is full of in described interlayer, the both sides of described conductive container are respectively equipped with the water-in and water outlet that connect this interlayer, the water coolant of high temperature flows out from water outlet, by connecting the refrigerating unit cooling of described water outlet, cooled water coolant enters in described interlayer by water pipe from water-in, is neutral salt solution cooling.
4. neutral salt solution according to claim 3 removes the method for electrolytic coating, it is characterized in that: described refrigerating unit is radiator or cooling tower.
5. neutral salt solution according to claim 1 removes the method for electrolytic coating, it is characterized in that: the temperature of described neutral salt solution is not higher than 50 degree.
6. neutral salt solution according to claim 1 removes the method for electrolytic coating, it is characterized in that: in described neutral salt solution, put into temperature sensor, described temperature sensor connects temperature indicator, and described temperature indicator shows the temperature of described center salts solution.
7. a kind of electrolytic coating eliminating equipment according to claim 1, it is characterized in that: comprising opening upwards is metal vessel, the neutral salt solution of lower concentration is filled in described metal vessel, described metal vessel connects direct supply by wire, and the positive pole of described direct supply connects Electroplating Rack by wire.
8. electrolytic coating eliminating equipment according to claim 7, it is characterized in that: be provided with temperature sensor in described metal vessel, described temperature sensor connects temperature indicator by wire, and described temperature indicator connects described direct supply.
9. electrolytic coating eliminating equipment according to claim 7, it is characterized in that: in the surrounding of described metal vessel and bottom surface sidewall, be equipped with the interlayer be connected, water coolant is filled in described interlayer, the both sides of described metal vessel are respectively equipped with water-in and water outlet, and described water-in is all connected refrigerating unit by water pipe with water outlet.
10. electrolytic coating eliminating equipment according to claim 9, is characterized in that: described refrigerating unit is radiator or cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510450237.4A CN105154964A (en) | 2015-07-28 | 2015-07-28 | Method and device for removing electroplated layer by means of neutral salt solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510450237.4A CN105154964A (en) | 2015-07-28 | 2015-07-28 | Method and device for removing electroplated layer by means of neutral salt solution |
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| CN105154964A true CN105154964A (en) | 2015-12-16 |
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| CN201510450237.4A Pending CN105154964A (en) | 2015-07-28 | 2015-07-28 | Method and device for removing electroplated layer by means of neutral salt solution |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600824A (en) * | 2021-08-25 | 2021-11-05 | 和超高装(中山)科技有限公司 | Preparation method and preparation device of metal niobium nano powder |
| CN113664302A (en) * | 2021-08-25 | 2021-11-19 | 和超高装(中山)科技有限公司 | Metal niobium surface processing reconstruction method and reconstruction device |
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| SU639913A1 (en) * | 1977-04-06 | 1978-12-30 | Институт общей и неорганической химии АН Украинской ССР | Electrolyte for removing metal coatings from steel articles |
| CN201901715U (en) * | 2010-12-01 | 2011-07-20 | 山东建筑大学 | Cooling device for barrel-plating and electroplating automation line |
| CN103290464A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Electrochemical deplating method of stainless steel black coating film |
| CN204012340U (en) * | 2014-08-29 | 2014-12-10 | 河南恒星科技股份有限公司 | Brass electroplating production line power distribution cabinet water cooling plant |
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2015
- 2015-07-28 CN CN201510450237.4A patent/CN105154964A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU639913A1 (en) * | 1977-04-06 | 1978-12-30 | Институт общей и неорганической химии АН Украинской ССР | Electrolyte for removing metal coatings from steel articles |
| CN201901715U (en) * | 2010-12-01 | 2011-07-20 | 山东建筑大学 | Cooling device for barrel-plating and electroplating automation line |
| CN103290464A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Electrochemical deplating method of stainless steel black coating film |
| CN204012340U (en) * | 2014-08-29 | 2014-12-10 | 河南恒星科技股份有限公司 | Brass electroplating production line power distribution cabinet water cooling plant |
Non-Patent Citations (1)
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| 余焕权: "硝酸盐一次电解退除铜/镍/铬镀层", 《电镀与环保》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600824A (en) * | 2021-08-25 | 2021-11-05 | 和超高装(中山)科技有限公司 | Preparation method and preparation device of metal niobium nano powder |
| CN113664302A (en) * | 2021-08-25 | 2021-11-19 | 和超高装(中山)科技有限公司 | Metal niobium surface processing reconstruction method and reconstruction device |
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