CN85107408A - The big coating bath of electroplating iron combined plating - Google Patents
The big coating bath of electroplating iron combined plating Download PDFInfo
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- CN85107408A CN85107408A CN85107408.1A CN85107408A CN85107408A CN 85107408 A CN85107408 A CN 85107408A CN 85107408 A CN85107408 A CN 85107408A CN 85107408 A CN85107408 A CN 85107408A
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Abstract
The big coating bath of electroplating iron combined plating adopts circulation of pump liquid and internal magnetic field to stir and hockets.Solia particle can be dispersed in the coating, thereby obtain high quality iron-based combined plating.Adopt non-woven fabrics to make cathode shield, can be used for depositing various solia particles, the many usefulness of energy one groove can be plated various iron-based combined platings like this.Adopt non-woven fabrics to make anode, filtration capacity is strong, can stop the anode sludge to come off, and keeps the plating bath cleaning.
Description
The invention belongs to the electroplating device in the field of electroplating.
The research of combined plating has been used for measurer, cutlery, mould with Ni-based, chromium base combined plating metal-surface strengthening and with them abroad and other special requirement are wear-resistant and the occasion of anti-attrition since beginning the forties.But, in little coating bath, produce because the microparticle material costliness is polluted and greatly generally can only be plated small workpiece.And the plating bath cost of iron-based combined plating is low, pollutes and lacks, and wherein the microhardness of pure iron can reach 700, and thickness of coating can reach 2 millimeters.Therefore it is paid attention to by people gradually and is studied.The quality critical of iron-based combined plating is that can solia particle be evenly dispersed in the coating, whether contains the solia particle of enough content in the coating.For solia particle can be evenly dispersed in the coating, at first require them in plating bath, to suspend equably.Therefore the stirring characteristics of plating bath are very big to the quality influence of iron-based combined plating.At present, generally all adopt mechanical stirring.Plating combined plating device described in the clear 58-9386 patent application specification in " day disclosure special permission communique ", adopt bottom land comb rotation hydrojet to make the solia particle come-up, it is that whole groove plating bath stirs, and only is used in the little coating bath, is unfavorable for that the plating bath of electroplating iron combined plating stirs.Because of the very easily oxidation of plating bath of iron-based combined plating, very important for the alr mode of the plating bath of the iron oxide based combined plating that prevents iron, must stir fully and don't suitable undue fierce, stirring should be lacked as far as possible.For reaching this purpose, the ad hoc big coating bath of having counted such plating combined plating of the inventor, its alr mode is to adopt circulation of pump liquid and internal magnetic field to stir to hocket, can reach less stirring plating bath, solia particle is evenly dispersed in the coating, thereby obtain high-quality iron-based combined plating, to adapt to electroplating iron combined plating and requirements of large-scale production in the big coating bath.
Detailed structure characteristics of the present invention are; internal magnetic field (2) is housed in the coating bath (1); the anode (3) of protection anode (5) is housed in the internal magnetic field (2); cathode shield (4) is housed between anode (3); bottom in cathode shield (4) is equipped with fixed and is drilled with porous separatory support (12); it joins by tubing (10) and pump (11), and pump (11) places in the cathode shield (4) and joins with motor (7).The internal magnetic field of this coating bath (2) but any structure form, as long as can be contained in the coating bath.Its simplest internal magnetic field (2) is made up of plastic processing frame (8) and the coil (9) that is wrapped on the plastic processing frame (8).The general available asbestos of the anode of this coating bath (3), woven fiber glass, synthetic fiber cloth, the poly-third ethene cloth are made, and wherein the anode of best results (3) is to make with being coated with pyroxylin (e) cement inside and outside the non-woven fabrics.The cathode shield of this coating bath (4) is general to adopt material commonly used to make.The cathode shield of result of use the best (4) is to make with outer lining non-woven fabrics in the two-layer filter paper.
Further specify below in conjunction with accompanying drawing.
Fig. 1 pump liquid recycle unit
Fig. 2 internal magnetic field coil stand
Fig. 3 coating bath wiring layout.
As shown in Figure 1; when connecting power supply; pump (11) is driven by motor (7); the plating bath that is mixed with solia particle is exported from pump (11); flow into separatory frame (12) through tubing (10), and spray the aperture from separatory support (12), be washed into the solia particle that all are deposited on bottom land; it is swum on the liquid level, and general machine operation was shut down after 15 minutes.Then stir by internal magnetic field (2).As shown in Figure 3, internal magnetic field (2) external direct current power supply is controlled the magnetic potential amount with the size of regulating voltage, and magneticstrength heals big, and then the magnetic field mixing effect is more obvious, but the temperature of electroplate liquid rising at this moment is very fast, and is unfavorable to electroplating.Usually observe the speed of liquid level around Workpiece Rotating, per minute is no more than five commentaries on classics.
It is to hold solia particle that the present invention adopts the effect of cathode shield (4), filters plating bath, and as previously mentioned, cathode shield (4) is made result of use the best with respectively serving as a contrast layer of non-woven fabric inside and outside two layers of filter paper.Through evidence, coating finish and erosion resistance have improvement greatly.The size of cathode shield (4) is less than coating bath (1), so it can save solia particle.It can be used for depositing various solia particles in addition, thus this coating bath can a groove many usefulness, plate the iron-based combined plating of various wear-resistant or antifriction.
The effect of anode (3) is to stop the anode sludge pollution electroplate liquid that comes off, and adopts to be coated with pyroxylin (e) cement inside and outside the non-woven fabrics and to make anode (3), result of use the best.Because of its resistance is little, filtration capacity is strong, even adopt general industrial iron to make anode, electroplate liquid still can keep clean, and unnecessary pure iron is made anode, this escapable cost.Pure iron coating is compared with common plating iron layer in the iron-based combined plating that employing anode (3) is plated, though their electroplating standards are identical, the impurity level of surveying them differs 3-20 doubly.
The present invention has opened up road for the electroplating iron combined plating enters production in enormous quantities.Past electroplating iron combined plating often because of plating bath very little, the quality instability.Now cathode shield (4) is placed in the coating bath (1) and electroplates, make whole vat plating bath participate in electrolysis cycle, quality of coating is guaranteed, thickening ability also has increase, in addition solia particle is concentrated in the cathode shield (4) not only economically, and be convenient to dispersed with stirring, uniform deposition in coating.
The advantage that adopts magnetic field to stir is: 1. solia particle can be suspended for a long time and do not sink, for example in 40 liters of plating baths, the iron plating bath of the aluminium sesquioxide particle that suspending place be still in 36 hours muddy.Adopt mechanical stirring, the iron plating bath of suspension aluminium sesquioxide particle was promptly clarified less than 30 minutes.2. because the solia particle suspension time is longer, be convenient to solia particle and iron codeposition, therefore solia particle content increases relatively in coating.For example, trioxygen-containingization two aluminium particulates 5.3～5.8% in the coating under the mechanical stirring in groove, and trioxygen-containingization two aluminium 8.1～8.4% in the coating are stirred down in magnetic field.3. because the effect of magnetic field force improves the coating covering power, thickness of coating can reach 2 millimeters.4. equipment is simple.Weak point of the present invention is room temperature when higher, and the temperature rise of solution is too fast, and the cooling apparatus cooling need be arranged in addition.
Embodiment one
Welding rod powder coating machine tip is made with quenched 45# steel, 25～30 tons/of work-ing lifes.The powder coating machine tip is used groove plating iron base combined plating again with the processing and manufacturing of 45# steel.Use mechanical stirring, the powder coating machine tip that is plated, 70 tons/of work-ing lifes.With stirring in magnetic field, the powder coating machine tip that is plated, work-ing life the 105-110 ton/.
Description of drawings
1. coating bath 2. internal magnetic fields 3. anode straps 4. cathode shields 5. anodes 6. workpiece 7. motors 8. plastic processing frames 9. coils 10. tubings 11. pumps 12. separatory support → flow liquid direction
Claims (3)
1, a kind of big coating bath that is used for the electroplating iron combined plating; feature of the present invention is; in coating bath (1), be provided with internal magnetic field (2); the anode (3) of protection anode (5) is housed in internal magnetic field (2); cathode shield (4) is housed between anode (3); bottom in cathode shield (4) is equipped with fixed and is drilled with porous separatory support (12), and it joins by tubing (10) and pump (11), and pump (11) places in the cathode shield (4) and joins with motor (7).
According to the big coating bath of the said electroplating iron combined plating of claim 1, it is characterized in that 2, said internal magnetic field (2) is made up of plastic processing frame (8) and the coil (9) that is wrapped on the plastic processing frame (8).
According to the big coating bath of claim 1,2 said electroplating iron combined platings, it is characterized in that 3, said anode (3) is to make with being coated with pyroxylin (e) cement inside and outside the non-woven fabrics, cathode shield (4) is to make with outer lining non-woven fabrics in the two-layer filter paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107408.1A CN1004763B (en) | 1985-10-10 | 1985-10-10 | Plating bath device for electroplating iron-based composite coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107408.1A CN1004763B (en) | 1985-10-10 | 1985-10-10 | Plating bath device for electroplating iron-based composite coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85107408A true CN85107408A (en) | 1987-05-27 |
| CN1004763B CN1004763B (en) | 1989-07-12 |
Family
ID=4795612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85107408.1A Expired CN1004763B (en) | 1985-10-10 | 1985-10-10 | Plating bath device for electroplating iron-based composite coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004763B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346005C (en) * | 2005-01-05 | 2007-10-31 | 河海大学 | Heating temperature control and stirring equipment for electric plating and chemical plating |
| CN103184491A (en) * | 2011-12-28 | 2013-07-03 | 北京有色金属研究总院 | Electroplating apparatus applying external magnetic field on plating member and method |
| CN104195621A (en) * | 2014-08-29 | 2014-12-10 | 郑州磨料磨具磨削研究所有限公司 | Plating bath for composite plating |
| CN108103565A (en) * | 2018-02-05 | 2018-06-01 | 深圳市瑞世兴科技有限公司 | A kind of crystal grain refinement metal plating device |
-
1985
- 1985-10-10 CN CN85107408.1A patent/CN1004763B/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346005C (en) * | 2005-01-05 | 2007-10-31 | 河海大学 | Heating temperature control and stirring equipment for electric plating and chemical plating |
| CN103184491A (en) * | 2011-12-28 | 2013-07-03 | 北京有色金属研究总院 | Electroplating apparatus applying external magnetic field on plating member and method |
| CN104195621A (en) * | 2014-08-29 | 2014-12-10 | 郑州磨料磨具磨削研究所有限公司 | Plating bath for composite plating |
| CN108103565A (en) * | 2018-02-05 | 2018-06-01 | 深圳市瑞世兴科技有限公司 | A kind of crystal grain refinement metal plating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004763B (en) | 1989-07-12 |
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