CN107447243A - A kind of device being modified for the unidirectional surface of metal differential arc oxidation - Google Patents
A kind of device being modified for the unidirectional surface of metal differential arc oxidation Download PDFInfo
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- CN107447243A CN107447243A CN201710465543.4A CN201710465543A CN107447243A CN 107447243 A CN107447243 A CN 107447243A CN 201710465543 A CN201710465543 A CN 201710465543A CN 107447243 A CN107447243 A CN 107447243A
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- modified
- stainless steel
- arc oxidation
- differential arc
- mask frame
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/024—Anodisation under pulsed or modulated current or potential
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/022—Anodisation on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/026—Anodisation with spark discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention is a kind of device being modified for the unidirectional surface of metal differential arc oxidation and application method.The device is made up of the anode line of fastening bolt, insulating press ring, rubber seal, sample, conductive cushion block, stainless steel mask frame, ambroin housing, conducting bolt and its insulation jacket and connection mao power source.The beneficial effects of the invention are as follows：1. the device good airproof performance, it is possible to achieve sample, workpiece unidirectional surface be modified, with solve because material property demand limitation need to carry out local surfaces modification the problems such as.2. stainless steel mask frame can shield the interference of power line in the device, it is ensured that experimental precision.3. the device can replace the conductive cushion block of different-thickness with the sample suitable for different-thickness by adjusting.4. the features such as apparatus structure is simple, and it is easy to make, and precision is high, highly reliable.The unidirectional surface of differential arc oxidation for being very suitable for all kinds of samples is modified.
Description
Technical field
The present invention relates to differential arc oxidization technique field of surface modification, and in particular to one kind is used for the unidirectional table of metal differential arc oxidation
The device that face is modified.
Background technology
Differential arc oxidization technique is a kind of new metal surface treatment technology risen at home in recent years, and its principle is logical
The Matching and modification of extra pulse electrical parameter and electrolyte, in the surface plasma chemistry and electrochemistry of the light-alloys such as aluminium, magnesium, titanium
Principle produces microcell arc discharge phenomenon and then goes out one layer of ceramic layer in metal surface growth in situ, has material more extensive
Physicochemical characteristics to adapt to the higher requirement that modern industry proposes to material.
Need to immerse monoblock sample in solution in differential arc oxidation modifying process, and some materials are due to its peculiar structure,
Its single face need to be only modified, other positions contact with solution will cause to corrode or change its performance.
The content of the invention
It is an object of the invention to solve because material performance requirement limit, must carry out local surfaces modification the problems such as, there is provided
A kind of device being modified for the unidirectional surface of metal differential arc oxidation and its application method.Its is simple in construction, and it is easy to make, precision
The features such as high, highly reliable.The unidirectional surface of differential arc oxidation for being very suitable for all kinds of samples is modified.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of device being modified for the unidirectional surface of metal differential arc oxidation, the device is by n fastening bolt 1, n insulation pressure
Circle 2, n rubber seal 3, sample 4, conductive cushion block 5, stainless steel mask frame 6, ambroin housing 7, conducting bolt 8, lead
Electric bolt insulation jacket 9 and the assembling composition of anode line 10 for connecting mao power source；
After assembling, any one fastening bolt through its corresponding insulating press ring and is stretched in the n fastening bolt 1
Enter in dielectric moldings 7, the stainless steel mask frame 6 be located in the space that conductive cushion block and ambroin housing 7 are formed and with
The two is in close contact；
After assembling, the conducting bolt is coated with insulation jacket 9；From bottom through ambroin housing 7, stainless steel screen
Cover in the hole that frame 6 and embedded conductive cushion block 5 are reserved；The anode of connection mao power source is also connected with the conducting bolt
Circuit 10；
After assembling, it is assumed that along A faces sectility device, obtain section B, the A faces are along perpendicular to the bottom surface of ambroin housing 7
And cross 2 insulating press rings；Along being projected perpendicular to section B direction, perspective view is obtained, on perspective view, single insulating press ring is in
" step " type, single rubber seal is in " convex " type of falling；
Definition：The distance of plane where the bottom of stainless steel mask frame 6 to the top of ambroin housing 7 on the perspective view
Distance for plane where the bottom to the top of stainless steel mask frame 6 of stainless steel mask frame 6 on L, the perspective view is P；
Define a height of H of conductive cushion block；The H is less than P and P is less than L；Define single rubber seal protruding parts
Total a height of F of a height of E, " convex " type；Then E+P=L；Define a length of M of single " step ", total a height of Q, step surface it is a length of
R, the high S of the first ladder, a height of T of the second ladder, a length of U of the second ladder, then S+T=Q, R+U=M；Define ambroin housing 7
A width of V at top, the platform edge of single " convex " type of definition are W, then U+W=V；A length of X of single " convex " type bottom is defined, then X=
R。
A kind of device being modified for the unidirectional surface of metal differential arc oxidation of the present invention, after assembling, sample 4 passes through conductive cushion block
5th, rubber seal is fixed.
A kind of device being modified for the unidirectional surface of metal differential arc oxidation of the present invention, the n are any one whole in 3-8
Number；Preferably 6 or 4.
A kind of device being modified for the unidirectional surface of metal differential arc oxidation of the present invention, on the perspective view, define single
A width of Y at the top of " convex " type, its width are consistent with the width at the top of stainless steel mask frame 6.
A kind of device being modified for the unidirectional surface of metal differential arc oxidation of the present invention, on the perspective view, " convex " type it is convex
The high E for going out part is equal to L-P.
The fastening bolt uses M8 format diameters, and for 8mm bolts, conducting bolt uses M10 format diameters as 10mm spiral shells
Bolt.The insulating press ring external diameter is 210mm, internal diameter 150mm, and four a diameter of 9mm symmetrically are bored on insulating press ring
Bolt hole.The ambroin housing external diameter is 210mm, internal diameter 170mm, relative with bolt hole on insulating press ring
Answer position to bore M8 specification screwed holes, 11mm bolt hole is bored in bottom centre position.The stainless steel shielding outer frame footpath is
170mm, internal diameter 160mm, M10 specification screwed holes are bored in bottom centre position.The rubber seal is that external diameter is 180mm,
Internal diameter is 150mm.
The sample is placed on conductive cushion block, the rubber seal in stainless steel mask frame and sample edge set；Insulation pressure
The two is connected, fastened by circle with ambroin housing with four fastening bolts.
The mao power source anode line is connected with conducting bolt.
The device application method being modified for the unidirectional surface of metal differential arc oxidation, comprises the following steps：
Step 1：After single unit system is equipped with, sample is placed on conductive cushion block, then in stainless steel mask frame and sample side
Edge puts rubber seal.
Step 2：By bolt hole on insulating press ring and ambroin housing screwed hole to it, tightening fastening bolt makes sealing
Rubber ring is in close contact with sample.
Step 3：According to sample thickness, the conductive cushion block of replaceable different-thickness, to meet requirement of experiment.
Step 4：Mao power source anode line is connected at conducting bolt.
Step 5：The device for installing sample is placed in electrolytic cell, specimen surface is completely disposed in electrolyte, and is adjusted
The good suitable depth of section, makes sample and electrolysis liquid surface keeping parallelism.
Step 6：According to previously selected parameter, experiment parameter and experiment condition are set, switches on power and carries out differential of the arc oxygen
Change is handled.
The beneficial effects of the invention are as follows：
1. the present invention first using it is overall have the rubber with outer it is close fall " convex " seal, by it with fastening bolt and
The precision-fit of conductive cushion block, stainless steel mask frame, realizes the perfect sealing of the device, and then can realize sample, workpiece
Unidirectional surface be modified, with solve because material property demand limitation need to carry out local surfaces modification the problems such as.
2. stainless steel mask frame can shield the interference of power line in the device, it is ensured that experimental precision.
3. the device can be by adjusting sample of the conductive cushion block for replacing different-thickness suitable for different-thickness.
4. the features such as apparatus structure is simple, and it is easy to make, and precision is high, highly reliable.It is very suitable for the micro- of all kinds of samples
Arc aoxidizes unidirectional surface and is modified.
Brief description of the drawings
Fig. 1 is the structural representation that the present invention is used for the unidirectional surface modification device of metal differential arc oxidation.
Fig. 2 is the sketch of perspective view；
Fig. 3 is the sketch of partial perspective view；
In figure：1 fastening bolt, 2 insulating press rings, 3 rubber seal, 4 samples, 5 conductive cushion blocks, 6 stainless steel mask frames, 7
Ambroin housing, 8 conducting bolts, 9 insulation jackets, 10 connection power circuits.
Embodiment
With reference to the accompanying drawings and detailed description, it is a kind of to the present invention to be used for what the unidirectional surface of metal differential arc oxidation was modified
Device and application method are further described.
Structure for the unidirectional surface modification device profile of metal differential arc oxidation is as shown in Figure 1.
Definition：The distance of plane where the bottom of stainless steel mask frame 6 to the top of ambroin housing 7 on the perspective view
Distance for plane where the bottom to the top of stainless steel mask frame 6 of stainless steel mask frame 6 on L, the perspective view is P；
Define a height of H of conductive cushion block；The H is less than P and P is less than L；Define single rubber seal protruding parts
Total a height of F of a height of E, " convex " type；Then E+P=L；Define a length of M of single " step ", total a height of Q, step surface it is a length of
R, the high S of the first ladder, a height of T of the second ladder, a length of U of the second ladder, then S+T=Q, R+U=M；Define ambroin housing 7
A width of V at top, the platform edge of single " convex " type of definition are W, then U+W=V；A length of X of single " convex " type bottom is defined, then X=
R.It is specifically shown in Fig. 2, Fig. 3
N elects 6 as described in the present embodiment.
The designed perspective view for being used for the device that the unidirectional surface of metal differential arc oxidation is modified, definition are single in the present embodiment
A width of Y at the top of individual " convex " type, its width are consistent with the width at the top of stainless steel mask frame 6.
The designed perspective view for being used for the device that the unidirectional surface of metal differential arc oxidation is modified, " convex " type in the present embodiment
The high E of projection be equal to L-P.
A kind of device being modified for the unidirectional surface of differential arc oxidation, the device are close by fastening bolt 1, insulating press ring 2, rubber
Seal 3, sample 4, conductive cushion block 5, stainless steel mask frame 6, ambroin housing 7, conducting bolt 8 and its insulation jacket 9 and
The anode line 10 of connection mao power source is formed.The fastening bolt 1 uses M8 format diameters as 8mm bolts, conductive spiral shell
Bolt 8 uses M10 format diameters as 10mm bolts.The external diameter of insulating press ring 2 is 210mm, internal diameter 150mm, in insulating press ring 2
Four a diameter of 9mm symmetrically of upper brill bolt hole.The external diameter of ambroin housing 7 is 210mm, and internal diameter is
170mm, M8 specification screwed holes are being bored with bolt hole opposite position on insulating press ring 2, are boring 11mm's in bottom centre position
Bolt hole.The external diameter of stainless steel mask frame 6 is 170mm, internal diameter 160mm, and M10 specification screw threads are bored in bottom centre position
Hole.The rubber seal 3 is that external diameter is 180mm, internal diameter 150mm.
The sample 4 is placed on conductive cushion block 5, the rubber seal 3 in stainless steel mask frame 6 and the edge of sample 4 set；Absolutely
The two is connected, fastened by edge trim ring 2 with ambroin housing 7 with four fastening bolts 1.
The mao power source anode line 10 is connected with conducting bolt 8.
2nd, the device application method being modified for the unidirectional surface of metal differential arc oxidation, comprises the following steps：
Step 1：After single unit system is equipped with, sample 4 is placed on conductive cushion block 5, then in stainless steel mask frame 6 and sample
4 edges put rubber seal 3.
Step 2：By bolt hole on insulating press ring 3 and the screwed hole of ambroin housing 7 to it, tightening fastening bolt 1 makes
Sealing rubber ring 3 is in close contact with sample 4.
Step 3：According to sample thickness, the conductive cushion block 5 of replaceable different-thickness, to meet requirement of experiment.
Step 4：Mao power source anode line 10 is connected at conducting bolt 8.
Step 5：The device for installing sample is placed in electrolytic cell, specimen surface is completely disposed in electrolyte, and is adjusted
The good suitable depth of section, makes sample and electrolysis liquid surface keeping parallelism.
Step 6：According to previously selected parameter, experiment parameter and experiment condition are set, switches on power and carries out differential of the arc oxygen
Change is handled.
Application Example
The differential arc oxidation processing of 2A12 aluminium alloys：
In this example, sample is diameter phi=155mm, thickness h=4mm 2A12 plectanes, and sample is placed in into conductive cushion block
On, then the rubber seal in stainless steel mask frame and sample edge set, by outside bolt hole on insulating press ring and ambroin
For frame screwed hole to it, tightening fastening bolt makes sealing rubber ring be in close contact with sample.The device for installing sample is placed in electricity
Solve in groove, specimen surface is completely disposed in electrolyte and connect differential arc oxidation sun with electrolysis liquid surface keeping parallelism, anode line
Pole, switch on power.In this example, electrolyte uses Na2SiO3+ KOH solution system, its concentration are Na2SiO3：20g/L and KOH：
4g/L.The technological parameter of differential arc oxidation is：Constant current mode, current density 20A/dm2, frequency 500Hz, dutycycle 15% and when
Between 30min.Electric current stabilization, spark are uniform in micro-arc oxidation process.Sample, observation hair are taken out in differential arc oxidization surface modification after terminating
Existing sample contact that front generation thicknesses of layers is uniform, densification with solution, and reverse side is not any change, and successfully realizes that differential arc oxidation is unidirectional
Surface is modified.
Claims (7)
- A kind of 1. device being modified for the unidirectional surface of metal differential arc oxidation, it is characterised in that：Described device is by n fastening bolt 1st, n insulating press ring 2, n rubber seal 3, sample 4, conductive cushion block 5, stainless steel mask frame 6, ambroin housing 7, lead Electric bolt 8, conducting bolt insulation jacket 9 and the assembling composition of anode line 10 for connecting mao power source；After assembling, any one fastening bolt through its corresponding insulating press ring and stretches into absolutely in the n fastening bolt 1 In edge housing 7, the stainless steel mask frame 6 be located in the space that conductive cushion block and ambroin housing 7 are formed and with the two It is in close contact；After assembling, the conducting bolt is coated with insulation jacket 9；From bottom through ambroin housing 7, stainless steel mask frame 6 and the hole reserved of embedded conductive cushion block 5 in；The anode line of connection mao power source is also connected with the conducting bolt 10；After assembling, it is assumed that along A faces sectility device, obtain section B, the A faces are along perpendicular to the bottom surface of ambroin housing 7 and mistake 2 insulating press rings；Along being projected perpendicular to section B direction, perspective view is obtained, on perspective view, single insulating press ring is in " platform Rank " type, single rubber seal is in " convex " type of falling；Definition：On the perspective view distance of plane where the bottom of stainless steel mask frame 6 to the top of ambroin housing 7 be L, The distance of plane is P where the bottom of stainless steel mask frame 6 to the top of stainless steel mask frame 6 on the perspective view；Definition is conductive A height of H of cushion block；The H is less than P and P is less than L；Define a height of E of single rubber seal protruding parts, " convex " type that falls Total a height of F；Then E+P=L；Define a length of M of single " step ", total a height of Q, a length of R of step surface, the high S of the first ladder, second The a height of T of ladder, the second ladder a length of U, then S+T=Q, R+U=M；A width of V, the definition for defining the top of ambroin housing 7 are single The platform edge of individual " convex " type is W, then U+W=V；A length of X of single " convex " type bottom is defined, then X=R.
- A kind of 2. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Group After dress, sample 4 is fixed by conductive cushion block 5, rubber seal.
- A kind of 3. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Institute State n any one integers in 3-8.
- A kind of 4. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Institute N is stated as 6 or 4.
- A kind of 5. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Institute State described in n on perspective view, define a width of Y at the top of single " convex " type, its width is wide by one with the top of stainless steel mask frame 6 Cause.
- A kind of 6. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Institute State described in n on perspective view, the high E of the projection of " convex " type is equal to L-P.
- A kind of 7. device being modified for the unidirectional surface of metal differential arc oxidation according to claim 1, it is characterised in that：Institute Fastening bolt is stated to use M8 format diameters conducting bolt uses M10 format diameters as 10mm bolts for 8mm bolts.The insulation Trim ring external diameter is 210mm, internal diameter 150mm, and four a diameter of 9mm symmetrically bolt hole is bored on insulating press ring. The ambroin housing external diameter is 210mm, internal diameter 170mm, and M8 is being bored with bolt hole opposite position on insulating press ring Specification screwed hole, 11mm bolt hole is bored in bottom centre position.The stainless steel shielding outer frame footpath is 170mm, and internal diameter is 160mm, M10 specification screwed holes are bored in bottom centre position.The rubber seal is that external diameter is 180mm, internal diameter 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465543.4A CN107447243B (en) | 2017-06-19 | 2017-06-19 | Device for metal micro-arc oxidation unidirectional surface modification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710465543.4A CN107447243B (en) | 2017-06-19 | 2017-06-19 | Device for metal micro-arc oxidation unidirectional surface modification |
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| CN107447243A true CN107447243A (en) | 2017-12-08 |
| CN107447243B CN107447243B (en) | 2023-07-14 |
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| Publication number | Publication date |
|---|---|
| CN107447243B (en) | 2023-07-14 |
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