CN102492975A - Apparatus for growing ceramic coating by electrolyte injection discharge and method thereof - Google Patents
Apparatus for growing ceramic coating by electrolyte injection discharge and method thereof Download PDFInfo
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- CN102492975A CN102492975A CN2011104528501A CN201110452850A CN102492975A CN 102492975 A CN102492975 A CN 102492975A CN 2011104528501 A CN2011104528501 A CN 2011104528501A CN 201110452850 A CN201110452850 A CN 201110452850A CN 102492975 A CN102492975 A CN 102492975A
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Abstract
The invention discloses an apparatus for growing a ceramic coating by electrolyte injection and discharge. The apparatus contains an electrolytic tank used for storing a PEO electrolyte, a nozzle used to spray the electrolyte on a sample to be treated after the electrolyte stored in the electrolytic tank is pumped in through a circulating pump, a workpiece carrying bench which is positioned below the nozzle, used to carry the sample to be treated and provided with through holes for drainage of the injected electrolyte, and an electrolyte collection tank which is used to collect the electrolyte flowed out from the through holes. The electrolyte is directed into the electrolytic tank through a drain pipe. The invention also discloses a method for growing the ceramic coating by electrolyte injection and discharge. The invention brings forward a novel PEO film forming method which is suitable for workpiece local respiring or large-area workpiece surface continuous treatment. Simultaneously, a PEO processing apparatus with a plating mode is designed. Therefore, the technology for workpiece local respiring or large-area workpiece surface continuous treatment is simple and easy to operate, and the film forming efficiency is raised.
Description
Technical field
The present invention relates to plasma electrolytic oxidation Technology field, especially a kind of electrolytic solution sprays the device and method of discharge growth ceramic coating.
Background technology
Plasma electrolytic oxidation (Plasma Electrolytic Oxidation; PEO) " differential arc oxidation " or " spark discharge anodically deposit " etc. is otherwise known as; It is that pending metal or alloy are placed electrolytic solution, through the electrochemical surface treatment technology that acts on electrode surface growth in situ ceramic layer of high-voltage, big electric current.Can obtain to have high film substrate bond strength, high-hardness ceramic layer at alloy surfaces such as aluminium, magnesium and titaniums through this technology, thereby overcome soft, the anti-corrosion and shortcoming such as wear no resistance of alloy-based physique.Compare with other process for treating surface, this technology has the film forming efficiency height, technological process is simple, film performance is controlled and advantage such as environmental protection.
At present, conventional treatment process is that pending sample is linked to each other with the positive pole of power supply and is dipped in the electrolytic solution, is counter electrode and links to each other with power cathode with noble electrodes such as graphite or stainless steels.Though the treatment process of this routine is simple to operate, be only applicable to the component of certain area are carried out bulk treatment.And when needs carry out the PEO processing to the workpiece part, must carry out good Seal Design to the surface that need not handle, thus make the local isolated electrolytic solution of workpiece, avoid changing because of oxidation filming makes surface properties and state; Equally, when needs are handled large-area workpiece surface PEO, must the enough big counter electrode of design and enough electrolyzers of volume greatly, and power supply need have higher output frequency, could guarantee the rate of film build and the quality of PEO technical finesse like this.
The existence of above-mentioned these problems has increased difficulty that the PEO technology uses greatly and has limited technological popularization, and will cause the unnecessary waste of resource and the decline of working efficiency in actual industrial production.
Summary of the invention
The present invention is based on above background and develops; Its objective is provides a kind of device and method that the local electrolytic solution of repairing perhaps large-area workpiece surface continuity processing of workpiece sprays the discharge growth ceramic coating that is suitable for; So that the technological operation that local reparation of workpiece or large-area workpiece surface continuity are handled is simple, film forming efficiency improves.
For realizing above-mentioned purpose, the device that a kind of electrolytic solution of the present invention sprays the discharge growth ceramic coating comprises: electrolyzer is used to store PEO electrolytic solution;
Shower nozzle pumps into the electrolytic solution that is stored in the said electrolyzer through a recycle pump, and pending sample is sprayed;
Workpiece carries puts platform, is positioned at said shower nozzle below, is used for carrying and puts pending sample, and said workpiece carries to put to offer on the platform and is used for the through hole of drainage through the electrolytic solution after spraying;
The electrolytic solution receiving tank is used for collecting by the effusive electrolytic solution of said through hole, and returns said electrolyzer through the drain pipe water conservancy diversion.
Preferably, said shower nozzle comprises: a handle that is used to hand and a body that is arranged on the flats on the handle, and this body has the inner chamber of certain volume, and said inner chamber links to each other with said recycle pump through a liquid-inlet pipe, on said body, offers a plurality of spray orifices.
Preferably, said electrolytic solution receiving tank is a doline.
The present invention also provides a kind of electrolytic solution to spray the method for discharge growth ceramic coating, comprising:
1) electrolyzer utilizes recycle pump to pump into PEO electrolytic solution to shower nozzle;
2) shower nozzle is aimed at pending workpiece and is sprayed;
3) electrolytic solution after the injection returns electrolyzer through the electrolytic solution receiving tank and with electrolyte stream.
Preferably, said shower nozzle comprises a handle that is used to hand and a body that is arranged on the flats on the handle, and this body has the inner chamber of certain volume, and said inner chamber links to each other with said recycle pump through a liquid-inlet pipe, on said body, offers a plurality of spray orifices.
Preferably, said electrolytic solution receiving tank is a doline.
The invention has the beneficial effects as follows:
1) design has the shower nozzle (intercepting basin negative electrode) of jeting effect, makes that local reparation of workpiece or the work of treatment of large-area workpiece surface continuity are simple;
2) the intercepting basin negative electrode moulding of design flats can increase the anticathode area, has effectively improved film forming speed and quality;
3) design negative electrode-electrolytic solution-anode directly docks, and optimizes electric field distribution, has effectively improved film forming speed and quality.
Description of drawings
Fig. 1 apparatus of the present invention overall structure synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail with embodiment.
As shown in Figure 1; In the spraying plating film deposition system of a kind of plasma electrolytic oxidation ceramic coating of the present invention cathod system is designed to the shower nozzle (being electrode system) that can hand and the electrolyzer 11 of storing electrolytic solution, electrode system mainly comprises a body 1 and handle 4 that has through hole.
The inner chamber of body 1 is connected with the liquid-inlet pipe 3 that plastics are processed, and the insulating material of handle 4 usefulness common plasticses or bakelite is made.Liquid-inlet pipe 3 links to each other with miniature circulating pump 5 in the electrolyzer 11.Recycle pump 5 can make the PEO circulation of elecrolyte in the electrolyzer 11 flow in the work, so not only a large amount of heat effect that produces in the PEO process is taken away, and can guarantee also that simultaneously the electrolyte component of participation film formation reaction is constant through the circulation of electrolytic solution.
Below shower nozzle, put a large-scale funnel 6 (being the electrolytic solution receiving tank), funnel 6 is provided with and is used for carrying the stainless steel flat plate 8 (promptly carry and put platform) of putting pending sample 7, offers a large amount of through holes 9 on the stainless steel flat plate 8.Funnel 6 adopts noble electrode materials such as stainless steels, platinum alloy to process, and its function is as the supporting body of pending sample 7 in the PEO treating processes.Pending sample 7 is placed above dull and stereotyped 8, spray the electrolytic solution of coming and discharge through the through hole 9 on dull and stereotyped 8.
Funnel below is provided with the drain pipe 12 that plastics are processed, and PEO electrolytic solution is communicated with in drain pipe and the electrolyzer 11.
Consider in the PEO process; Have high-voltage and big electric current, therefore, the outside non-working surface of cathod system and the outside 10 of funnel 6 all adopt materials such as insulating resin, Zylox to seal; With short circuit between the leakage of avoiding electric current and the anode and cathode, guarantee safety of construction.
In real work, the relative moving speed of cathod system and pending sample 7 can be at 0～50mm/min, and particular case can be done suitable adjustment according to the speed of growth of PEO treating processes floating coat.Repairing or the big area workpiece carries out surperficial continuity when handling workpiece is local, concrete experimental implementation flow process is following:
1) surface that pending sample 7 is needed to handle is cleaned and the oil removing pre-treatment;
2) pending sample 7 is positioned over above the large-scale funnel 6, the position that needs to handle is exposed to the outside;
3) with the negative electrode of electrode system, promptly shower nozzle is communicated with the negative pole of PEO power supply, pending sample 7 is connected the positive pole of power supply;
4) start in the body 1 that miniature circulating pump 5 makes shower nozzle and be full of electrolytic solution, and can be directly injected to pending sample 7 surfaces;
4) start the PEO power supply, when repairing to workpiece is local, hand-held cathode insulation handle 4; The electrolytic solution that makes shower nozzle (being intercepting basin) is to position to be repaired movable spray; Like this work for some time, swap cathode makes it aim at next position to be repaired and sprays; So back and forth, all begin film forming again until all damage locations; When large-area workpiece surface continuity PEO is handled, fixed negative pole then, workpiece is at the uniform velocity mobile over against the position at the negative electrode intercepting basin with certain speed, the continuous film forming in the position that workpiece is injected into;
5) confirm the working hour according to the coating film thickness of setting, accomplish electrolytic solution at last and spray discharge growth ceramic layer process.
As shown in Figure 1, cathod system is designed to the shower nozzle that can hand, adopts stainless material to process, and in the lower surface 50mm of a body 1 * 2000mm zone, being provided with diameter is φ 2mm, the spray orifice 2 of adjacent holes center of circle spacing 3mm, and handle 4 adopts the bakelite material.The inner chamber of body 1 is connected with the liquid-inlet pipe 3 that plastics are processed, and liquid-inlet pipe 3 links to each other with miniature circulating pump 5 in the electrolyzer 11.Below shower nozzle; Put a large-size stainless steel material funnel 6 (being the electrolytic solution receiving tank); Funnel 6 is provided with and is used for carrying the stainless steel flat plate 8 (promptly carry and put platform) of putting pending sample 7; Offer a large amount of through holes 9 on the stainless steel flat plate 8 to discharge electrolytic solution, the funnel below is provided with the drain pipe 12 that plastics are processed, and PEO electrolytic solution is communicated with in drain pipe and the electrolyzer 11.The outside non-working surface of cathod system and the outside 10 of funnel 6 all adopt materials such as insulating resin, Zylox to seal.
To wide 2m, the surface of the pending sample 7 of aluminum cover roll tube of long 10m carries out at first it being cleaned and removes the wet goods pre-treatment before PEO handles; Be positioned over afterwards on the stainless steel flat plate 8 (promptly carry and put platform); Connect positive source, make the negative electrode shower nozzle connect power cathode simultaneously, start miniature circulating pump 5 afterwards; Make in the body 1 of shower nozzle and be full of electrolytic solution; And can be directly injected to the pending surface of pending sample 7, the fixed negative pole shower nozzle adopts the mechanical braking method that pending aluminum cover roll tube is constantly launched at length direction with the speed of 5mm/min at negative electrode shower nozzle lower position.Behind the 200min, cut off the PEO power supply, close miniature circulating pump.Clean the long aluminium skin of the 1m of unfolded that has handled surface with clear water, and with drier, find that the surface forms uniform PEO coating, thicknesses of layers is 5～10 μ m, and the rete outward appearance is even, destruction that the non-flanged effect causes and inhomogeneous ablation phenomen.
Embodiment 2
When the big defective of the 100mm of the 5 places * 100mm area of magnesium alloy work-piece surface is carried out the part reparation; In the lower surface 50mm * 100mm zone of negative electrode shower nozzle head body 1, spray orifice 2 is set; PEO at first cleans and the oil removing pre-treatment position to be repaired before handling; Afterwards whole workpiece is placed on the stainless steel flat plate 8 (promptly carry and put platform), and make first position to be repaired be exposed to the shower nozzle below.Adopt device and the working method similar with the foregoing description 1, fixation workpiece, hand-held negative electrode shower nozzle makes it move in the speed of pending plane domain with 5mm/min, the reparation of first damage location of completion behind the 20min.Move second position to be repaired and make it be exposed to the shower nozzle below, operating process is similar with first position treating processes, accomplishes the reparation of second damage location behind the 20min.Similarly successively PEO is carried out in three positions to be repaired, back and handles, handle 20min respectively after, all damaged zones have all generated uniform whiteware coating, coat-thickness is 5～10 μ m.
Claims (9)
1. the device of an electrolytic solution injection discharge growth ceramic coating is characterized in that comprise: electrolyzer is used to store PEO electrolytic solution;
Shower nozzle pumps into the electrolytic solution that is stored in the said electrolyzer through a recycle pump, and pending sample is sprayed;
Workpiece carries puts platform, is positioned at said shower nozzle below, is used for carrying and puts pending sample, and said workpiece carries to put to offer on the platform and is used for the through hole of drainage through the electrolytic solution after spraying;
The electrolytic solution receiving tank is used for collecting by the effusive electrolytic solution of said through hole, and returns said electrolyzer through the drain pipe water conservancy diversion.
2. device as claimed in claim 1; It is characterized in that; Said shower nozzle comprises: a handle that is used to hand and a body that is arranged on the flats on the handle; This body has the inner chamber of certain volume, and said inner chamber links to each other with said recycle pump through a liquid-inlet pipe, on said body, offers a plurality of spray orifices.
3. device as claimed in claim 1 is characterized in that, the area of the end face of offering spray orifice of said body is 50mm * 50～2000mm.
4. device as claimed in claim 3 is characterized in that the relative moving speed of said body and said pending sample can be at 0～50mm/min.
5. device as claimed in claim 1 is characterized in that, said electrolytic solution receiving tank is a doline.
6. an electrolytic solution sprays the method for discharge growth ceramic coating, comprising:
1) electrolyzer utilizes recycle pump to pump into PEO electrolytic solution to shower nozzle;
2) shower nozzle is aimed at pending workpiece and is sprayed;
3) electrolytic solution after the injection returns electrolyzer through the electrolytic solution receiving tank and with electrolyte stream.
7. method as claimed in claim 5; It is characterized in that; Said shower nozzle comprises a handle that is used to hand and a body that is arranged on the flats on the handle; This body has the inner chamber of certain volume, and said inner chamber links to each other with said recycle pump through a liquid-inlet pipe, on said body, offers a plurality of spray orifices.
8. method as claimed in claim 5 is characterized in that, said electrolytic solution receiving tank is a doline.
9. method as claimed in claim 5 is characterized in that the relative moving speed of said shower nozzle and said pending sample can be at 0～50mm/min.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719870A (en) * | 2012-07-04 | 2012-10-10 | 石家庄金刚凯源动力科技有限公司 | Flow rotating combined device for micro-arc oxidation |
| CN104264200A (en) * | 2014-10-29 | 2015-01-07 | 中国人民解放军装甲兵工程学院 | Micro-arc oxidation treatment device and method |
| CN108456839A (en) * | 2018-02-13 | 2018-08-28 | 北京理工大学 | A kind of method and its device of electrolysis plasma spraying prepares coating |
| CN108754566A (en) * | 2018-07-31 | 2018-11-06 | 中国人民解放军陆军装甲兵学院 | The hot-dip aluminizing and fountain differential arc oxidation composite layer preparation method of steel workpiece |
| CN109082693A (en) * | 2017-06-13 | 2018-12-25 | 昆山汉鼎精密金属有限公司 | Fountain differential arc oxidation method and device |
| CN110453261A (en) * | 2019-07-24 | 2019-11-15 | 南方科技大学 | A kind of material surface modifying method and apparatus based on electrochemistry |
| CN110565147A (en) * | 2019-09-27 | 2019-12-13 | 中国船舶重工集团公司第七二五研究所 | local micro-arc oxidation device and method for titanium alloy workpiece |
| CN113026041A (en) * | 2021-03-10 | 2021-06-25 | 江苏师范大学 | Hydrogen storage device for preparing sodium borohydride by reducing sodium metaborate based on jet electrochemical device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049192A1 (en) * | 1980-09-22 | 1982-04-07 | Dalic | Apparatus for anodic oxydation by the pad-plating process, and electrolyte used therefor |
| US4879015A (en) * | 1985-03-06 | 1989-11-07 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Method and manual apparatus for the semimechanical galvanizing of sheet metal surfaces |
| CN1214377A (en) * | 1998-01-08 | 1999-04-21 | 卢旭辉 | Electroplating and electrolyzing technology and equipment with moveable electrode |
| CN101328599A (en) * | 2008-07-22 | 2008-12-24 | 浙江理工大学 | Numerical control selected area electrochemical deposition rapid forming method and apparatus |
| CN101724879A (en) * | 2009-12-16 | 2010-06-09 | 中国科学院力学研究所 | Brush-plating and film-forming device for ceramic coating through plasma electrolytic oxidation (PEO) and method thereof |
-
2011
- 2011-12-30 CN CN2011104528501A patent/CN102492975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049192A1 (en) * | 1980-09-22 | 1982-04-07 | Dalic | Apparatus for anodic oxydation by the pad-plating process, and electrolyte used therefor |
| US4879015A (en) * | 1985-03-06 | 1989-11-07 | Dr. Ing. H.C.F. Porsche Aktiengesellschaft | Method and manual apparatus for the semimechanical galvanizing of sheet metal surfaces |
| CN1214377A (en) * | 1998-01-08 | 1999-04-21 | 卢旭辉 | Electroplating and electrolyzing technology and equipment with moveable electrode |
| CN101328599A (en) * | 2008-07-22 | 2008-12-24 | 浙江理工大学 | Numerical control selected area electrochemical deposition rapid forming method and apparatus |
| CN101724879A (en) * | 2009-12-16 | 2010-06-09 | 中国科学院力学研究所 | Brush-plating and film-forming device for ceramic coating through plasma electrolytic oxidation (PEO) and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张锡民等: "高速电喷镀喷嘴可控运动装置的研制", 《微计算机信息》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719870A (en) * | 2012-07-04 | 2012-10-10 | 石家庄金刚凯源动力科技有限公司 | Flow rotating combined device for micro-arc oxidation |
| CN102719870B (en) * | 2012-07-04 | 2014-11-12 | 石家庄金刚凯源动力科技有限公司 | Flow rotating combined device for micro-arc oxidation |
| CN104264200A (en) * | 2014-10-29 | 2015-01-07 | 中国人民解放军装甲兵工程学院 | Micro-arc oxidation treatment device and method |
| CN109082693A (en) * | 2017-06-13 | 2018-12-25 | 昆山汉鼎精密金属有限公司 | Fountain differential arc oxidation method and device |
| CN108456839A (en) * | 2018-02-13 | 2018-08-28 | 北京理工大学 | A kind of method and its device of electrolysis plasma spraying prepares coating |
| CN108754566A (en) * | 2018-07-31 | 2018-11-06 | 中国人民解放军陆军装甲兵学院 | The hot-dip aluminizing and fountain differential arc oxidation composite layer preparation method of steel workpiece |
| CN110453261A (en) * | 2019-07-24 | 2019-11-15 | 南方科技大学 | A kind of material surface modifying method and apparatus based on electrochemistry |
| CN110453261B (en) * | 2019-07-24 | 2022-02-08 | 南方科技大学 | Material surface modification method and device based on electrochemistry |
| CN110565147A (en) * | 2019-09-27 | 2019-12-13 | 中国船舶重工集团公司第七二五研究所 | local micro-arc oxidation device and method for titanium alloy workpiece |
| CN113026041A (en) * | 2021-03-10 | 2021-06-25 | 江苏师范大学 | Hydrogen storage device for preparing sodium borohydride by reducing sodium metaborate based on jet electrochemical device |
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Application publication date: 20120613 |