CN203866394U - Anodic oxidation device for aluminum alloy section bars of pipe systems - Google Patents
Anodic oxidation device for aluminum alloy section bars of pipe systems Download PDFInfo
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- CN203866394U CN203866394U CN201420294018.2U CN201420294018U CN203866394U CN 203866394 U CN203866394 U CN 203866394U CN 201420294018 U CN201420294018 U CN 201420294018U CN 203866394 U CN203866394 U CN 203866394U
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- anodic oxidation
- cell body
- oxidation device
- aluminium alloy
- alloy extrusions
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Abstract
The utility model relates to the field of machining technologies for aluminum alloy section bars of pipe systems, in particular to an anodic oxidation device for aluminum alloy section bars of pipe systems. The anodic oxidation device comprises an electrolytic tank, cathodic conduction devices and anodic conduction devices. Notches which are uniformly distributed are formed in an end surface of the edge of the electrolytic tank, the cathodic conduction devices are clamped with the electrolytic tank via the notches, electric heating wires which are communicated with one another are arranged inside the side surfaces of the electrolytic tank, the cathodic conduction devices are of Z-shaped structures, 90-degree angles are formed among the adjacent edges of the Z-shaped structures, and insulating layers wrap the outer walls of the front ends of the Z-shaped structures; the anodic conduction devices are paired, are respectively fixedly arranged on two opposite inner walls of the electrolytic tank and are of double-section bendable structures, and two sections of each double-section bendable structure are connected with each other by a bolt. According to the technical scheme, the anodic oxidation device has the advantages that the anodic oxidation device is applicable to the aluminum alloy section bars of the pipe systems, accordingly, the consistency of the surface quality of the aluminum alloy section bars of the pipe systems can be effectively improved, wastage of raw materials can be effectively reduced, and the anodic oxidation device is suitable for large-scale popularization and application.
Description
Technical field
The utility model relates to piping aluminium alloy extrusions processing technique field, particularly a kind of anodic oxidation device of piping aluminium alloy extrusions.
Background technology
Aluminium alloy extrusions is that the structured material mainly adopting with door and window or curtain wall is decorated by modern society, the main drawback of this section bar is the easily corrosion in air of the single and long-term exposure of outward appearance, and the existence of this shortcoming makes it more and more be difficult to meet Contemporary young user for the individual demand of decorating with structured material.For optimize aluminium alloy extrusions decorative effect, strengthen its erosion resistance and increase the service life, aluminium alloy extrusions generally all will carry out surface treatment.The surface treatment of aluminium alloy extrusions is the perfect crowded body of aluminium alloy extrusions and turns round in the magnificent of modern society, the method of conventional aluminium alloy section surface processing is anonizing, can form dense oxidation film at aluminium alloy section surface by anonizing, the existence of this oxide film can significantly improve erosion resistance, wear resistance and the decorate properties of aluminium alloy extrusions.
The anode oxidative treatment method that is applied to aluminium alloy extrusions in prior art refers to: in certain electrolytic solution, taking aluminium alloy extrusions part as anode, taking stainless steel or aluminum metal as negative electrode, in strongly-acid electrolytic solution, aluminium alloy extrusions is carried out to surface-treated process.But in prior art, each manufacturer is not identical arranging of negative electrode electric installation and anode conducting device, setting for the oxidation unit of different types of aluminium alloy extrusions is not identical yet, the surface quality of the aluminium alloy extrusions therefore occurring on market is uneven, is difficult to meet human consumer's consumers demand.Therefore, studying a kind of anodic oxidation device that is applicable to piping aluminium alloy extrusions is the current problem that will study.
Utility model content
The technical problems to be solved in the utility model is: overcome deficiency of the prior art, a kind of anodic oxidation device that is applicable to piping aluminium alloy extrusions is provided, this device conductivity is good, can significantly unify and improve the surface quality of aluminium alloy extrusions.
The technical scheme that the utility model solves its technical problem employing is: a kind of anodic oxidation device of piping aluminium alloy extrusions, this anodic oxidation device comprises cell body, negative electrode electric installation and anode conducting device, the trough rim end face of described cell body has equally distributed recess, negative electrode electric installation is by recess and cell body clamping, inside, cell body side has the electrical heating wire being interconnected, can heat up to cell body, facilitate the intensification of electrolytic solution and the oven dry of piping aluminium alloy extrusions, cell body bottom has leakage fluid dram, leakage fluid dram end has rotary rubber piston, described negative electrode electric installation is Z-type structure, and the angle of the adjacent edge composition of Z-type structure is 90 °, and the outer wall of Z-type structure front end is enclosed with insulation layer, described anode conducting device is fixedly installed on two opposed inner walls of cell body in pairs and respectively, and anode conducting device is that the two-part that is bolted can bending structure, and the front end of anode conducting device is the cone-shaped body that diameter reduces gradually.
Further, the making material of described Z-type structure is plumbous, and in Z-type structure, the front end of horizontal edge is connected with power cathode by wire.
Further, residual in cell body for preventing electrolytic solution, the inwall turning of described cell body is fillet structure.
Further, for effectively improving the working efficiency of cell body, the logarithm of described anode conducting device is at least one pair of.
Further, the in pairs described and end that is fixedly installed on respectively the anode conducting device in two opposed inner walls of cell body is connected cell body is outside by wire.
Further, for preventing that excessive heating problem from appearring in electric installation in the course of the work, the vertical range of the trough rim of described Z-type structure vertical edge and the clamping of Z-type structure is 1.5-3 times of Z-type structure vertical edge thickness; Under Z-type structure, between horizontal edge and the bottom of cell body inwall, there is space.
Beneficial effect: in the technical solution of the utility model, negative electrode electric installation, by the setting of recess and cell body clamping and insulation layer, can effectively improve the overall security of this device; Anode conducting device is fixedly installed on two opposed inner walls of cell body in pairs and respectively, anode conducting device is the setting that the two-part that is bolted can bending structure, can facilitate the installation and removal of tubular type aluminium alloy extrusions, be conducive to aluminium alloy extrusions and be oxidized in the electrolytic solution of homogeneous; The front end of anode conducting device is the setting of the cone-shaped body that reduces gradually of diameter, can reduce the contact area of anode conducting device and aluminium alloy extrusions to be oxidized, thereby reduce later stage scrap rate.The anodic oxidation device that is applicable to piping aluminium alloy extrusions that adopts the technical solution of the utility model gained, conductivity is good, can effectively improve the consistence of piping Surface Quality of Aluminum Alloy Profiles, effectively reduces waste of raw materials, is applicable to large-scale promotion application.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional view in Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
1. cell body in figure, 11. electrical heating wires, 12. leakage fluid drams, 13. feets, 2. negative electrode electric installation, 21. insulation layers, 3. anode conducting device.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
As Fig. 1, 2, the anodic oxidation device of a kind of piping aluminium alloy extrusions shown in 3, this anodic oxidation device comprises cell body 1, negative electrode electric installation 2 and anode conducting device 3, the trough rim end face of cell body 1 has equally distributed recess, negative electrode electric installation 2 is by recess and cell body 1 clamping, cell body 1 inside, side has the electrical heating wire 11 being interconnected, can heat up to cell body, facilitate the intensification of electrolytic solution and the oven dry of piping aluminium alloy extrusions, cell body 1 bottom has the leakage fluid dram 12 of oblique lower setting, leakage fluid dram 12 ends have rotary rubber piston, the leakage fluid dram 12 of oblique lower setting can make this device at the feet 13 of leakage fluid dram 12 lower ends in the time tilting a little, just electrolytic solution can be discharged smoothly,
Negative electrode electric installation 2 is Z-type structure, and the angle of the adjacent edge composition of Z-type structure is 90 °, and the outer wall of Z-type structure front end is enclosed with insulation layer 21; Anode conducting device 3 is fixedly installed on two opposed inner walls of cell body 1 in pairs and respectively, and anode conducting device 3 can bending structure for the two-part that is bolted, and the front end of anode conducting device 3 is the cone-shaped body that diameter reduces gradually.
In Z-type structure, the front end of horizontal edge is connected with power cathode by wire; The inwall turning of cell body 1 is fillet structure; The logarithm of anode conducting device 3 is three pairs; The end that is fixedly installed in pairs and respectively the anode conducting device 3 in two opposed inner walls of cell body 1 is connected cell body is outside by wire; The vertical range of the trough rim of Z-type structure vertical edge and the clamping of Z-type structure is 1.5 times of Z-type structure vertical edge thickness; Under Z-type structure, between horizontal edge and the bottom of cell body 1 inwall, there is space.
Adopt the anodic oxidation device of the technical solution of the utility model gained to can be applicable to the oxidizing process of piping aluminium alloy extrusions, this oxidizing process has following steps:
A. self-inspection is added
Aluminium alloy extrusions is carried out to surface examination, record same batch of each section bar surface flatness, defect, burr and aberration level, after record, the two ends of aluminium alloy extrusions are respectively installed on the anode conducting device (3) of oxidation unit, oxidation unit, in the time of second stage employ, is installed the anode conducting device at aluminium alloy extrusions two ends and need to be removed oxide film;
B. oil removing washing
Degreaser is injected to cell body (1), at normal temperatures aluminium alloy section surface is carried out to oil removing, the composition of described degreaser is the sulphuric acid soln of 200g/L, process after 8min with clear water wash to the pH of Surface of profile be 4-7, degreaser and washes are discharged;
C. alkaline etching washing
Alkaline etching agent is injected to cell body (1), at normal temperatures aluminium alloy section surface is carried out to alkaline etching, described alkaline etching agent is that concentration is the sodium hydroxide solution of 65g/L, process after 8min with clear water wash to the pH of Surface of profile be 6-8, alkaline etching agent and washes are discharged;
D. in, wash with bright dipping
Neutralization reagent is injected to cell body (1), in at normal temperatures aluminium alloy section surface being carried out and technique, described neutralization reagent is that concentration is that concentration is the nitric acid of 180g/L, process after 4min with clear water wash to the pH of Surface of profile be 3-5, neutralization reagent and washes are discharged;
Bright dipping reagent is injected to cell body (1), at normal temperatures aluminium alloy section surface is carried out to bright dipping technique, described bright dipping reagent is that concentration is the nitric acid of 280g/L, process after 4min with clear water wash to the pH of Surface of profile be 5-7, bright dipping reagent and washes are discharged;
E. anodic oxidation washing
This step is to a kind of water white film of the Surface Creation of goods, prevents the surface corrosion of material, and the thickness of rete is to adjust according to client's demand, and thickness forms the impact that is conventionally subject to current density, voltage, tank liquor concentration and temperature; Specific practice is: inject the electrolyte in cell body (1), in the time that temperature is 20 ± 2 DEG C, aluminium alloy section surface is carried out to oxidizing process, described electrolytic solution be 160g/L sulphuric acid soln and≤aluminum ion of 20g/L composition, after processing with clear water wash to the pH of Surface of profile be 5-7, electrolytic solution and washes are discharged, treatment time determines according to the thickness of required oxide film, current density and formula L=ITK, wherein, L in formula is oxide film micron thickness, K is constant 0.28-0.3, and I is current density A/m
2, T is oxidation the number of minutes; After the long-pending calculating accurately of dress vermicelli, just can try to achieve the required oxidization time of any thickness of oxidation film from above-mentioned formula; Aluminium section bar should be avoided being immersed in for a long time in tank before anodic oxidation, and maximum duration is no more than 3min, in order to avoid the acid etch Surface of profile in tank; Through anodised product, the time stopping in groove is no more than 5min, prevents from affecting the quality of oxide film; Require the high bright product of brightness, current density is selected 1-1.2A/dm
2be advisable.
F. sealing of hole washing and drying
Pore-sealing liquid is injected to cell body (1), in the time that temperature is 25 ± 2 DEG C, aluminium alloy section surface is carried out to hole-sealing technology, the nickel ion that described pore-sealing liquid is 1.5g/L by concentration and the fluorion of 0.65g/L form, the pH value of pore-sealing liquid is 5.5-6.5, the hole-sealing technology treatment time determines according to the thickness of oxide film, 1 point of general each film sealing of hole, after being disposed with clear water wash to the pH of Surface of profile be 5-7.5, pore-sealing liquid and washes are discharged, treat that aluminium alloy section surface is dry;
G. undercarriage test package
Aluminium alloy extrusions is taken off to packaging warehouse-in after record of survey from anode conducting device (3).Undercarriage should be handled with care, note the distortion of anti-damage, anti-collision, apart from undercarriage 3m, what do not allow section bar touches wound sound, what length was greater than 4m processes directly can being placed on the solarization bin on place of packaging without finishing mandrel, and the product of not drying (drip-dry) is placed on the solarization bin on place; Product needed is done lower step processing, requires first to process product being placed on " chassis " of packing afterwards.
Above-mentioned embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (7)
1. the anodic oxidation device of a piping aluminium alloy extrusions, it is characterized in that: this anodic oxidation device comprises cell body (1), negative electrode electric installation (2) and anode conducting device (3), the trough rim end face of described cell body (1) has equally distributed recess, negative electrode electric installation (2) is by recess and cell body (1) clamping, cell body (1) inside, side has the electrical heating wire (11) being interconnected, and cell body (1) bottom has leakage fluid dram (12);
Described negative electrode electric installation (2) is Z-type structure, and the angle of the adjacent edge composition of Z-type structure is 90 °, and the outer wall of Z-type structure front end is enclosed with insulation layer (21); Described anode conducting device (3) is fixedly installed on two opposed inner walls of cell body (1) in pairs and respectively, anode conducting device (3) can bending structure for the two-part that is bolted, and the front end of anode conducting device (3) is the cone-shaped body that diameter reduces gradually.
2. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: in described Z-type structure, the front end of horizontal edge is connected with power cathode by wire.
3. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: the inwall turning of described cell body (1) is fillet structure.
4. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: the logarithm of described anode conducting device (3) is at least one pair of.
5. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: the in pairs described and end that is fixedly installed on respectively the anode conducting device (3) in two opposed inner walls of cell body (1) is connected cell body is outside by wire.
6. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: the vertical range of the trough rim of described Z-type structure vertical edge and the clamping of Z-type structure is 1.5-3 times of Z-type structure vertical edge thickness.
7. the anodic oxidation device of piping aluminium alloy extrusions according to claim 1, is characterized in that: under described Z-type structure, between horizontal edge and the bottom of cell body (1) inwall, have space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294018.2U CN203866394U (en) | 2014-06-04 | 2014-06-04 | Anodic oxidation device for aluminum alloy section bars of pipe systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420294018.2U CN203866394U (en) | 2014-06-04 | 2014-06-04 | Anodic oxidation device for aluminum alloy section bars of pipe systems |
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| CN203866394U true CN203866394U (en) | 2014-10-08 |
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| CN201420294018.2U Expired - Fee Related CN203866394U (en) | 2014-06-04 | 2014-06-04 | Anodic oxidation device for aluminum alloy section bars of pipe systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032345A (en) * | 2014-06-04 | 2014-09-10 | 张家港市金邦铝业有限公司 | Anodic oxidation device of piping aluminum alloy profile and oxidization process thereof |
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2014
- 2014-06-04 CN CN201420294018.2U patent/CN203866394U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032345A (en) * | 2014-06-04 | 2014-09-10 | 张家港市金邦铝业有限公司 | Anodic oxidation device of piping aluminum alloy profile and oxidization process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150604 |
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| EXPY | Termination of patent right or utility model |