CN105088294A - Electroplating technology for mechanical workpiece - Google Patents
Electroplating technology for mechanical workpiece Download PDFInfo
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- CN105088294A CN105088294A CN201410610829.3A CN201410610829A CN105088294A CN 105088294 A CN105088294 A CN 105088294A CN 201410610829 A CN201410610829 A CN 201410610829A CN 105088294 A CN105088294 A CN 105088294A
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Abstract
The invention relates to the field of electroplating technologies, and in particular to an electroplating technology for a mechanical workpiece. The electroplating technology comprises the first step of electroplated workpiece pretreatment mechanical polishing, the second step of oil removing, the third step of immersing, the fourth step of drying and storing and the fifth step of stripping to improve the flatness of the electroplated workpiece and the quality of the electroplated workpiece. Electroplated waste water is circularly recycled after being processed. The recycled water can serve as production line water only when desalted, and the total environment salt content cannot be reduced. The concentrated liquor of the resin exchange and reverse osmosis technology still returns to the ground, waste water processing is complete, the influence of the waste water on the electroplated workpiece in the electroplating technology process under some environments is reduced, and therefore the product pass percent can be increased.
Description
Technical field
The present invention relates to electroplating technology field, more particularly, the present invention relates to a kind of electroplating technology for mechanical workpieces.
Background technology
Electroplating industry is indispensable link in national economy, relates to national defence, industry, sphere of life.Parts Metal plating, plastic electroplating is divided into from large class, reach the effects such as workpiece is anticorrosion, attractive in appearance, prolongs life, decorative appearance, the wastewater toxicity that plating produces is large, to soil, animal and plant growth all produces harm, perfect not for the process of waste water in general electroplating technology, do not reach the green requirement of recycle.
Summary of the invention
Problem to be solved by this invention is to provide a kind of electroplating technology for mechanical workpieces.
In order to solve the problem, the technical scheme that the present invention takes is: a kind of electroplating technology for mechanical workpieces, comprises the steps:
(1) plating piece pre-treatment mechanical polishing: remove the burr, cut, overlap, sand holes etc. on plating piece by means of the buff wheel in special machinery utility machinery or band;
(2) oil removing: the first step, part after polishing in (1) clear water is rinsed 2-6 minute, second step, the part after being rinsed by clear water is collected in Solvent degreasing groove, the 3rd step, add organic solvent, and making part soak 5-10 minute, the 4th step, will collect in Rinsing Area through part obtained in the previous step, add the distilled water of 50-200ML, and soak 10-20 minute;
(3) soak: the first step, by the product-collecting that obtains in (2) in sour water groove, and add souring agent immersion 6-8 minute, second step, obtain point waste collection in accumulator tank by previous step sour water groove, part is collected in Rinsing Area, the 3rd step, add formaldehyde in accumulator tank again, in Rinsing Area, add the distilled water of 50-100ML;
(4) warehouse-in is dried: the moisture of the piece surface after plating being rinsed by means of machinery and natural energy, heat energy is dried;
(5) strip: the defective plating piece obtained through (4) is collected in strip groove.
On such scheme basis preferably, in described step (2), organic solvent is tetracol phenixin.
On such scheme basis preferably, the concentration of described tetracol phenixin is 35-50%.
On such scheme basis preferably, in described step (3), souring agent adopts phenylformic acid.
On such scheme basis preferably, in described step (3), the pH value of souring agent controls between 2-3.5.
On such scheme basis preferably, the pH value in described step (2) in Rinsing Area controls between 8.5-10.
Beneficial effect: plating piece pre-treatment mechanical polishing, planeness for improving plating piece improves plating quality, cyclically utilizing is reached after electroplating wastewater processing, reuse water just must can be back to production line water after desalination, can not cut down environment saliferous total amount, the concentrated solution of resins exchange, reverse osmosis process still returns to ground, and wastewater treatment is perfect, reduce waste water in electroplating process under some environment to plating piece produce hero, thus improve conforming product rate.
Embodiment
embodiment 1:
This technique divides five steps to carry out, (1) plating piece pre-treatment mechanical polishing: remove the burr on plating piece by means of the buff wheel in special machinery utility machinery or band, cut, overlap, sand holes etc., (2) oil removing: the first step, part clear water after polishing in (1) is rinsed 2 minutes, second step, part after being rinsed by clear water is collected in Solvent degreasing groove, 3rd step, add organic solvent, organic solvent adopts concentration to be 35-50% tetracol phenixin, and make part soak 5 minutes, 4th step, to collect in Rinsing Area through part obtained in the previous step, add the distilled water of 50ML, and soak 10 minutes, (3) soak: the first step, by the product-collecting that obtains in (2) in sour water groove, and add souring agent and soak 6 minutes, souring agent adopts pH value to be the phenylformic acid of 2, second step, point waste collection is obtained in accumulator tank by previous step sour water groove, part is collected in Rinsing Area, pH value in Rinsing Area is 8.5, 3rd step, formaldehyde is added again in accumulator tank, the distilled water of 50ML is added in Rinsing Area, (4) warehouse-in is dried: by means of machinery and natural energy, the moisture of the piece surface after plating is rinsed by heat energy is dried, (5) strip: the defective plating piece obtained through (4) is collected in strip groove.
embodiment 2:
Embodiment 1 is repeated by described same steps, difference is: (2) oil removing: the first step, part clear water after polishing in (1) is rinsed 4 minutes, 3rd step, organic solvent adopts concentration to be 45% tetracol phenixin, and make part soak 8 minutes, 4th step, the distilled water of 75ML will be added, and soak 15 minutes, (3) soak: the first step, add souring agent and soak 7 minutes, souring agent adopts pH value to be the phenylformic acid of 3, second step, pH value in Rinsing Area is 9.5, 3rd step, formaldehyde is added again in accumulator tank, the distilled water of 75ML is added in Rinsing Area.
embodiment 3:
Embodiment 1 is repeated by described same steps, difference is: (2) oil removing: the first step, part clear water after polishing in (1) is rinsed 6 minutes, 3rd step, organic solvent adopts concentration to be 50% tetracol phenixin, and make part soak 10 minutes, 4th step, the distilled water of 100ML will be added, and soak 20 minutes, (3) soak: the first step, add souring agent and soak 8 minutes, souring agent adopts pH value to be the phenylformic acid of 3.5, second step, pH value in Rinsing Area is 10, 3rd step, formaldehyde is added again in accumulator tank, the distilled water of 100ML is added in Rinsing Area.
After above art breading, take out cloth sample respectively, measuring result is as follows:
| Test item | Embodiment 1 | Embodiment 2 | Embodiment 3 | Standard premium grads |
| Cycling utilization of wastewater rate (%) | 21 | 23 | 25 | 18 |
| Conforming product rate (%) | 97.67 | 97.94 | 94.89 | 95.26 |
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. for an electroplating technology for mechanical workpieces, it is characterized in that, comprise the steps:
(1) plating piece pre-treatment mechanical polishing: remove the burr, cut, overlap, sand holes etc. on plating piece by means of the buff wheel in special machinery utility machinery or band;
(2) oil removing: the first step, part after polishing in (1) clear water is rinsed 2-6 minute, second step, the part after being rinsed by clear water is collected in Solvent degreasing groove, the 3rd step, add organic solvent, and making part soak 5-10 minute, the 4th step, will collect in Rinsing Area through part obtained in the previous step, add the distilled water of 50-200ML, and soak 10-20 minute;
(3) soak: the first step, by the product-collecting that obtains in (2) in sour water groove, and add souring agent immersion 6-8 minute, second step, obtain point waste collection in accumulator tank by previous step sour water groove, part is collected in Rinsing Area, the 3rd step, add formaldehyde in accumulator tank again, in Rinsing Area, add the distilled water of 50-100ML;
(4) warehouse-in is dried: the moisture of the piece surface after plating being rinsed by means of machinery and natural energy, heat energy is dried;
(5) strip: the defective plating piece obtained through (4) is collected in strip groove.
2. according to a kind of electroplating technology for mechanical workpieces according to claim 1, it is characterized in that: in described step (2), organic solvent is tetracol phenixin.
3. according to a kind of electroplating technology for mechanical workpieces according to claim 2, it is characterized in that: the concentration of described tetracol phenixin is 35-50%.
4. according to a kind of electroplating technology for mechanical workpieces according to claim 1, it is characterized in that: in described step (3), souring agent adopts phenylformic acid.
5. according to a kind of electroplating technology for mechanical workpieces according to claim 1, it is characterized in that: in described step (3), the pH value of souring agent controls between 2-3.5.
6. according to a kind of electroplating technology for mechanical workpieces according to claim 1, it is characterized in that: the pH value in described step (2) in Rinsing Area controls between 8.5-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610829.3A CN105088294A (en) | 2014-11-04 | 2014-11-04 | Electroplating technology for mechanical workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610829.3A CN105088294A (en) | 2014-11-04 | 2014-11-04 | Electroplating technology for mechanical workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN105088294A true CN105088294A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410610829.3A Pending CN105088294A (en) | 2014-11-04 | 2014-11-04 | Electroplating technology for mechanical workpiece |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288073A (en) * | 1999-05-12 | 2001-03-21 | 日本巴可莱新株式会社 | Surface treatment method for magnesium alloy |
| CN103451646A (en) * | 2012-06-21 | 2013-12-18 | 上海理工大学 | Stainless steel passivation process |
| CN103540970A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Method for non-cyanide silver plating |
| CN103540978A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Alkaline non-cyanide Ag-Ni alloy electroplating method |
| CN103880879A (en) * | 2014-04-08 | 2014-06-25 | 广西金穗农药有限公司 | Preparation method of glyphosate isopropylamine salt aqueous solution |
-
2014
- 2014-11-04 CN CN201410610829.3A patent/CN105088294A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288073A (en) * | 1999-05-12 | 2001-03-21 | 日本巴可莱新株式会社 | Surface treatment method for magnesium alloy |
| CN103451646A (en) * | 2012-06-21 | 2013-12-18 | 上海理工大学 | Stainless steel passivation process |
| CN103540970A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Method for non-cyanide silver plating |
| CN103540978A (en) * | 2013-10-11 | 2014-01-29 | 上海大学 | Alkaline non-cyanide Ag-Ni alloy electroplating method |
| CN103880879A (en) * | 2014-04-08 | 2014-06-25 | 广西金穗农药有限公司 | Preparation method of glyphosate isopropylamine salt aqueous solution |
Non-Patent Citations (1)
| Title |
|---|
| 刘仁志: "《轻松掌握电镀技术》", 28 February 2014, 北京：金盾出版社 * |
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Application publication date: 20151125 |