CN104372396A - Multifunctional clamp for metal micro-arc oxidation and anodic oxidation and use method thereof - Google Patents
Multifunctional clamp for metal micro-arc oxidation and anodic oxidation and use method thereof Download PDFInfo
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- CN104372396A CN104372396A CN201410624433.4A CN201410624433A CN104372396A CN 104372396 A CN104372396 A CN 104372396A CN 201410624433 A CN201410624433 A CN 201410624433A CN 104372396 A CN104372396 A CN 104372396A
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- copper sheet
- sample
- bolt
- pad
- anodic oxidation
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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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
- C25D17/08—Supporting racks, i.e. not for suspending
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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 invention discloses a multifunctional clamp for metal micro-arc oxidation and anodic oxidation and a use method thereof. The clamp comprises an upper copper sheet, a lower copper sheet, a first bolt, a second bolt, screws, a first washer, a second washer, a sample and an anode line which is connected with a micro-arc oxidation or anodic oxidation power supply. The multifunctional clamp for metal micro-arc oxidation and anodic oxidation and the use method thereof have the advantages that the sample is fastened and fixedly connected through the screws, and therefore the resistance caused by connection is reduced and the treatment effect of the sample is guaranteed; experiments of samples in one time can be performed as required so that the operating error of the experiments is reduced; the clamp has a simple structure, high reliability and high generality, is low in cost, is simply operated, and is applicable to micro-arc oxidation and anodic oxidation treatment of various types of metal samples.
Description
Technical field
The invention belongs to differential arc oxidation, anodic oxidation treatment field.Specifically a kind of multi-functional clamp for metal differential arc oxidation, anodic oxidation treatment and using method.
Background technology
Differential arc oxidation process forms one deck ceramic layer in metallic surface original positions such as aluminium, magnesium, titaniums, and its bonding force is good, hardness is high, wear resisting property is good, corrosion resisting property is good, has again insulativity etc., is the treatment technology that the fields such as aviation, automobile, machinery are commonly used.Anodic oxidation can generate one deck magnesium oxide at the surface in situ such as aluminium, magnesium, is that present aluminum alloy material surface protects, the most general treatment technology such as to beautify.For the ease of development research, the production of differential arc oxidation, anodic oxidation treatment, need convenient reliable material, workholder, Chinese invention patent application 201220699885.5 discloses a kind of multi-functional clamp for the process of NiTi shape memory alloy differential arc oxidation, but it loosely organized, chuck is stressed too small, purposes is single.
The multi-functional clamp for metallic substance differential arc oxidation, anodic oxidation treatment here proposed, can by changing crack thickness, use screw fastening sample, can the advantages such as multiple sample pretreatings be carried out simultaneously, to the scientific research of metallic substance, workpiece, produce very large help is provided.
Summary of the invention
A kind of multi-functional clamp for metal differential arc oxidation, anodic oxidation treatment and using method thereof are the object of this invention is to provide.Its structure is simple, and low cost of manufacture is easy to operate, and reliability is strong, differential arc oxidation, the anodic oxidation treatment of very applicable all kinds sample.
The technical scheme that the present invention solves the problems of the technologies described above is:
1. the multi-functional clamp for metal differential arc oxidation, anodic oxidation treatment, this fixture is by upper copper sheet, lower copper sheet, the first bolt, the second bolt, screw, the first pad, the second pad, sample and the anode line be connected with differential arc oxidation or anodic oxidation power supply are formed.Described upper copper sheet, lower copper sheet width is 20mm, thickness is 3 ~ 5mm, boring two diameters at their two ends is the bolt hole of 5mm.It is the screw of 3mm that described upper copper sheet bores five diameters between bolts at two ends hole, mix screw respectively.The thickness of described first pad, the second pad is 3 ~ 10mm.
Be respectively equipped with the first pad and the second pad between the two ends of described upper copper sheet and lower copper sheet to regulate gap therebetween, with the second bolt, the two be connected with the first bolt respectively; Sample is placed between copper sheet and lower copper sheet, with the screw of five on copper sheet, it is fastening.
Described differential arc oxidation, anodic oxidation power supply anode line are connected with the second bolt of upper copper sheet.
Above-mentioned upper copper sheet, lower copper sheet are cut into by fine copper plate, and described screw, the first bolt, the second bolt, the first pad, the second pad are stainless steel and make.
2., for the using method of metallic substance differential arc oxidation, anodic oxidation fixture, comprise the steps:
Step 1: overall form fixture after, according to the thickness of workpiece, the sample thickness with the first pad and the second pad adjustment crack.
Step 2: sample is inserted crack, makes its top until fastening screw hole site, tightens screw and hold out against sample, makes itself and lower copper sheet close contact.
Step 3: if necessary, can install multiple sample processing treatment simultaneously.
Step 4: connect differential arc oxidation, anodic oxidation power supply anode line 6 at the second threaded screw fasteners place.
Step 5: will install sample, workpiece, the fixture connecting circuit is fixed according to practical situation or is suspended on electrolyzer, makes sample need treatment sites to go deep in electrolytic solution, and regulates the suitable degree of depth, makes sample and electrolysis liquid surface keeping parallelism.
Step 6: finally switch on power and carry out differential arc oxidation, anodic oxidation treatment.
The invention has the beneficial effects as follows:
1. by screw fastening sample, make it be connected firmly, reduce the resistance caused due to connection, ensure the treatment effect of sample.
2. this fixture can select its hanging method according to the shape and size of electrolyzer, is convenient to the adjusting sample degree of depth in the solution.
3. the sample of different thickness can be applicable to by increase and decrease pad; Can disposable experiment, the production carrying out multiple sample as required, raise the efficiency, reduce the operate miss of experiment.
4. this clamp structure is simple, cost is low, simple to operate, and reliability is strong, and highly versatile, is applicable to the differential arc oxidation of various types of test button, anodic oxidation treatment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the multi-functional clamp of metal differential arc oxidation, anodic oxidation treatment.
In figure: upper copper sheet 1, lower copper sheet 2, connect the first bolt 3 of upper and lower copper sheet, fastening sample screw 4, the second bolt 5 connecting upper and lower copper sheet, connecting power line road 6, sample 7, regulate the first pad 8 of crack thickness, regulate the second pad 9 of crack thickness.
Embodiment
The structure faced for the multi-functional clamp of metal differential arc oxidation, anodic oxidation treatment as shown in Figure 1,1. the multi-functional clamp for metal differential arc oxidation, anodic oxidation treatment, this fixture is by upper copper sheet 1, lower copper sheet 2, first bolt 3, second bolt 5, screw 4, the first pad 8, second pad 9, sample 7 and the anode line 6 be connected with differential arc oxidation or anodic oxidation power supply are formed.Described upper copper sheet 1, lower copper sheet 2 width is 20mm, thickness is 3 ~ 5mm, boring two diameters at their two ends is the bolt hole of 5mm.It is the screw of 3mm that described upper copper sheet 1 bores five diameters between bolts at two ends hole, mix screw 4 respectively.The thickness of described first pad 8, second pad 9 is 3 ~ 10mm.
Be respectively equipped with the first pad 8 and the second pad 9 between the two ends of described upper copper sheet 1 and lower copper sheet 2 to regulate gap therebetween, with the second bolt 5, the two be connected with the first bolt 3 respectively; Sample 7 is placed between copper sheet 1 and lower copper sheet 2, with the screw 4 of five on copper sheet 1, it is fastening.
Described differential arc oxidation, anodic oxidation power supply anode line 6 are connected with the second bolt 5 of upper copper sheet 1.
Above-mentioned upper copper sheet 1, lower copper sheet 2 are cut into by fine copper plate, and described screw 4, first bolt 3, second bolt 5, first pad 8, second pad 9 is stainless steel and makes.
2., for the using method of metallic substance differential arc oxidation, anodic oxidation fixture, comprise the steps:
Step 1: overall form fixture after, adjust the thickness of crack with the first pad 8 and the second pad 9 according to the thickness of workpiece, sample.
Step 2: sample 7 is inserted crack, makes its top until fastening screw hole site, tightens screw 4 and holds out against sample 7, makes itself and lower copper sheet 2 close contact.
Step 3: if necessary, can install multiple sample 7 processing treatment simultaneously.
Step 4: connect differential arc oxidation, anodic oxidation power supply anode line 6 at the second bolt 5 bolt place.
Step 5: will install sample, workpiece, the fixture connecting circuit is fixed according to practical situation or is suspended on electrolyzer, makes sample 7 need treatment sites to go deep in electrolytic solution, and regulates the suitable degree of depth, makes sample 7 and electrolysis liquid surface keeping parallelism.
Step 6: finally switch on power and carry out differential arc oxidation, anodic oxidation treatment.
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
The differential arc oxidation process of titanium alloy TC 4:
Voltage needed for differential arc oxidation process is to more than 300V, and current density reaches 10A/dm
2above, processing power is higher, so good to the contact between fixture and workpiece, in order to avoid cause the resistance at this place large, thermal value is too high, sparkles, and not only can affect technological effect, also has serious potential safety hazard.In this example, specimen size is 30mm*10mm*2mm, is contained on fixture, tightens screw and sample is pressed on lower copper sheet, and make both contacts good, sample is divided into 5m in crack inside.Fixture is fixed on the slot of electrolyzer, makes the submerge degree of depth of electrolytic solution of sample be 20mm, connect anode line, switch on power.Processing parameter: output voltage: 500V, outward current: 0.8A, frequency: 500Hz, dutycycle: 10%, treatment time: 15min.In treating processes, current stabilization, spark are even; Specimen surface oxide film uniform color, uniform film thickness after process.
Embodiment 2
The anodic oxidation treatment of aluminium alloy ZL104:
Voltage needed for anodic oxidation treatment is about 20 ~ 50V, and current density is 1A/dm
2left and right, processing power is lower, and electric current is less, so require that fixture contacts well with workpiece joints place, in order to avoid excessive Resistance Influence technological effect.In this example, specimen size is 30mm*10mm*2mm, is contained on fixture, tightens screw and sample is pressed on lower copper sheet, and make both contacts good, sample is divided into 5m in crack inside.Fixture is fixed on the slot of electrolyzer, makes the submerge degree of depth of electrolytic solution of sample be 20mm, connect anode line, switch on power.Processing parameter: use direct current, output voltage: 35V, outward current: 0.16A, treatment time: 15min.In treating processes, current stabilization, specimen surface bubble are even; Specimen surface oxide film uniform color, uniform film thickness after process.
Claims (3)
1. the multi-functional clamp for metal differential arc oxidation, anodic oxidation treatment, it is characterized in that: this fixture is by upper copper sheet (1), lower copper sheet (2), the first bolt (3), the second bolt (5), screw (4), the first pad (8), the second pad (9), sample (7) and the anode line (6) be connected with differential arc oxidation or anodic oxidation power supply are formed; Described upper copper sheet (1), lower copper sheet (2) width is 20mm, thickness is 3 ~ 5mm, boring two diameters at their two ends is the bolt hole of 5mm; It is the screw of 3mm that described upper copper sheet (1) bores five diameters between bolts at two ends hole, mix screw (4) respectively; The thickness of described first pad (8), the second pad (9) is 3 ~ 10mm;
Be respectively equipped with the first pad (8) and the second pad (9) between described upper copper sheet (1) and the two ends of lower copper sheet (2) to regulate gap therebetween, with the second bolt (5), the two be connected with the first bolt (3) respectively; Sample (7) is placed between copper sheet (1) and lower copper sheet (2), with five screws (4) on copper sheet (1), it is fastening;
Described differential arc oxidation, anodic oxidation power supply anode line (6) are connected with second bolt (5) of upper copper sheet (1).
2. the multi-functional clamp for metallic substance differential arc oxidation, anodic oxidation treatment according to claim 1, it is characterized in that, described upper copper sheet (1), lower copper sheet (2) are cut into by fine copper plate, and described screw (4), the first bolt (3), the second bolt (5), the first pad (8), the second pad (9) are stainless steel and make.
3., as claimed in claim 1 for the using method of metallic substance differential arc oxidation, anodic oxidation fixture, it is characterized in that, comprise the steps:
Step 1: overall form fixture after, according to the thickness of workpiece, the sample thickness with the first pad (8) and the second pad (9) adjustment crack;
Step 2: sample (7) is inserted crack, makes its top until fastening screw hole site, tighten screw (4) and hold out against sample (7), make itself and lower copper sheet (2) close contact;
Step 3: if necessary, can install multiple sample (7) processing treatment simultaneously;
Step 4: connect differential arc oxidation, anodic oxidation power supply anode line (6) at the second bolt (5) bolt place;
Step 5: sample, workpiece will be installed, the fixture connecting circuit is fixed according to practical situation or is suspended on electrolyzer, make sample (7) need treatment sites to go deep in electrolytic solution, and regulate the suitable degree of depth, make sample (7) and electrolysis liquid surface keeping parallelism;
Step 6: finally switch on power and carry out differential arc oxidation, anodic oxidation treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624433.4A CN104372396A (en) | 2014-11-07 | 2014-11-07 | Multifunctional clamp for metal micro-arc oxidation and anodic oxidation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624433.4A CN104372396A (en) | 2014-11-07 | 2014-11-07 | Multifunctional clamp for metal micro-arc oxidation and anodic oxidation and use method thereof |
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| CN104372396A true CN104372396A (en) | 2015-02-25 |
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| CN201410624433.4A Pending CN104372396A (en) | 2014-11-07 | 2014-11-07 | Multifunctional clamp for metal micro-arc oxidation and anodic oxidation and use method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655066A (en) * | 2015-07-23 | 2017-05-10 | 北京谊安医疗系统股份有限公司 | Fixing device for line passing ring of breathing machine |
| CN107447243A (en) * | 2017-06-19 | 2017-12-08 | 中南大学 | A kind of device being modified for the unidirectional surface of metal differential arc oxidation |
| CN109652833A (en) * | 2018-12-20 | 2019-04-19 | 西安理工大学 | A kind of fixture for micro-arc oxidation process equipment |
| CN110904488A (en) * | 2019-12-09 | 2020-03-24 | 湖南湘投金天科技集团有限责任公司 | Micro-arc oxidation method and titanium alloy structural part obtained by adopting same |
-
2014
- 2014-11-07 CN CN201410624433.4A patent/CN104372396A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655066A (en) * | 2015-07-23 | 2017-05-10 | 北京谊安医疗系统股份有限公司 | Fixing device for line passing ring of breathing machine |
| CN107447243A (en) * | 2017-06-19 | 2017-12-08 | 中南大学 | A kind of device being modified for the unidirectional surface of metal differential arc oxidation |
| CN107447243B (en) * | 2017-06-19 | 2023-07-14 | 中南大学 | Device for metal micro-arc oxidation unidirectional surface modification |
| CN109652833A (en) * | 2018-12-20 | 2019-04-19 | 西安理工大学 | A kind of fixture for micro-arc oxidation process equipment |
| CN110904488A (en) * | 2019-12-09 | 2020-03-24 | 湖南湘投金天科技集团有限责任公司 | Micro-arc oxidation method and titanium alloy structural part obtained by adopting same |
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Application publication date: 20150225 |