CN202022989U - Anodic oxidation treatment device - Google Patents
Anodic oxidation treatment device Download PDFInfo
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- CN202022989U CN202022989U CN2011200949140U CN201120094914U CN202022989U CN 202022989 U CN202022989 U CN 202022989U CN 2011200949140 U CN2011200949140 U CN 2011200949140U CN 201120094914 U CN201120094914 U CN 201120094914U CN 202022989 U CN202022989 U CN 202022989U
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- aluminium base
- anodic oxidation
- oxidation treatment
- treatment device
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Abstract
The utility model provides an anodic oxidation treatment device which can produce a roller-shaped die for impressing, which can inhibit nonuniform depth of pores and also can inhibit poor electrification to an aluminium base material. The anodic oxidation treatment device conducts anodic oxidation treatment on the cylindrical aluminium base material (30) by an electrolyte in an anodic oxidation tank (12); and in the state that an electric conductive terminal (48) for electrifying the aluminium base material (30) props against the aluminium base material (30), the terminal (48) and the aluminium base material (30) rotate synchronously, and the terminal (48) electrifies the aluminium base material (30) under the state.
Description
Technical field
The utility model relates to a kind of anodic oxidation treatment device, and this device is used to be manufactured on and is formed with on the aluminium base periphery of roller shape with the impression of the anodised aluminium of a plurality of pores with roller shape mould.
Background technology
Blooming for the micro concavo-convex structure that has the cycle below the visible wavelength on the surface has functions such as the reflection of preventing owing to find it, so pay close attention to its applicability.Particularly, be called as the micro concavo-convex structure of moth eyes (Moth eye) structure, it prevents effectively that by increasing continuously to be found to the material specific refractory power from air refraction function of reflecting from being known by the public.
Have the manufacture method of the blooming of micro concavo-convex structure as the surface, can enumerate the stamped method that micro concavo-convex that on base material film (transfer printing body) surface transfer printing is formed at die surface is constructed.Known described stamped method for example is following method (patent documentation 1).
A kind of smooth stamped method, it accompanies under the state of uv-hardening resin between being formed with the roller shape mould of the anodised aluminium of a plurality of pores and transparent substrate film on the periphery, to the uv-hardening resin irradiation ultraviolet radiation, the sclerosis uv-hardening resin, form the hard resin-layer that the surface has a plurality of protuberances corresponding with the pore of anodised aluminium, base material film is peeled off from roller shape mould with this hard resin-layer.
In addition, the manufacture method of the roller shape mould that uses in the above-mentioned stamped method (patent documentation 1,2) is for for example carrying out the method for following operation repeatedly: the aluminum oxide base material of anodic oxidation roller shape in electrolytic solution forms the operation with the anodised aluminium of a plurality of pores on the periphery of aluminium base; And the operation that enlarges this pore aperture.
Patent documentation 1: TOHKEMY 2009-174007 communique
Patent documentation 2: the international communique that discloses No. 2006/059686
Yet, in the manufacturing processed of roller shape mould, only be immersed at the aluminium base of roller shape and carry out under the anodised situation in the electrolytic solution, the inhomogeneous of anodic oxidation degree can appear in the different sites of aluminium base, consequently, may cause the pore degree of depth of roller shape mould not neat because of the difference at position.In case use this roller shape mould, utilize stamped method manufacturing surface to have the blooming of a plurality of protuberances, then can obtain different sites protuberance height not neat, be the not neat blooming of different sites reflectivity.
The utility model content
Yet the utility model is In view of the foregoing made, and its purpose is to provide a kind of anodic oxidation treatment device, can make by this device and can suppress the not neat impression of pore degree of depth roller shape mould.
Solution as the problems referred to above, anodic oxidation treatment device of the present utility model is a kind of anodic oxidation treatment device, electrolytic solution by anodizing tank carries out anodic oxidation treatment to the aluminium base cylindraceous that is made of aluminium, this anodic oxidation treatment device has the electroconductibility terminal that makes described aluminium base energising, the central shaft of described aluminium base is rotated this aluminium base as rotation center, and described terminal is rotated synchronously with state and described aluminium base with described aluminium base butt, described aluminium base is switched on.
In addition, anodic oxidation treatment device of the present utility model also has: fixing described terminal, along the turning axle of the axially extended electroconductibility of described aluminium base; And the electroconductibility power supply board parts of this turning axle being powered with the end butt of described turning axle, rotate synchronously by making described turning axle and described aluminium base, make described terminal and described aluminium base rotate synchronously.
In addition, in the anodic oxidation treatment device of the present utility model, being shaped as of the position that contacts with described power supply board parts of described turning axle is coniform.
In addition, in the anodic oxidation treatment device of the present utility model, described aluminium base is that rotation center is rotated by being fixed on the rolling clamp of end with the central shaft, and described turning axle is fixed on the described rolling clamp, rotates synchronously with described aluminium base thus
According to the utility model, can make and to suppress the not neat impression of pore degree of depth roller shape mould.Because under the state of aluminium base and terminal butt aluminium base and rotor are rotated synchronously, and by terminal aluminium base is switched on, it is bad to suppress to switch on so can eliminate the wearing and tearing between aluminium base and terminal, can further improve the qualification rate of roller shape mould.
Description of drawings
Fig. 1 is the sectional view of the anodic oxidation treatment device of the utility model example.
Fig. 2 is the sectional view along the A-A line of Fig. 1.
Fig. 3 is the sectional view of forming process of the pore of expression anodised aluminium.
Fig. 4 is the chart that switch-on regime that the aluminium base in the expression antianode oxidizing treater is switched on describes.
The reference numeral explanation;
10... anodic oxidation device; 12... anodizing tank; 30... aluminium base; 32A, 32B... rolling clamp; 43... energising mobile jib (turning axle); 46... rotation carrier; 48... terminal.
Embodiment
Below, with reference to the accompanying drawings example of the present utility model is elaborated.
Fig. 1 is the sectional view of the anodic oxidation treatment device 10 of this example.Fig. 2 is the sectional view along the A-A line of Fig. 1.
As shown in Figure 1, anodic oxidation treatment device 10 has: the anodizing tank 12 that is full of electrolytic solution; Cover anodizing tank 12 top, on periphery, be formed with the loam cake 16 of eaves portion 14, described eaves portion 14 is used to receive the electrolytic solution that overflows from anodizing tank 12; The storage tanks 18 of temporarily stored electrolytic solution; What the electrolytic solution that eaves portion 14 is received flow to storage tanks 18 downwards flows down stream 20; Make the electrolytic solution of storage tanks 18 turn back to close anodizing tank 12 bottoms that are formed at aluminium base 30 downsides supplying opening 22 return stream 24; Be arranged at and return stream 24 pump 26 midway; To the cowling panel of adjusting from supplying opening 22 effusive electrolyte flow 28.
Refer again to Fig. 2, anodic oxidation treatment device 10 has: a pair of rolling clamp 32A, the 32B of circular plate type, and this a pair of rolling clamp 32A, 32B insert openings at two ends 31A, the 31B as anodic hollow cylindrical aluminium base 30 respectively; Rotatably support described rolling clamp 32A, 32B respectively and support a pair of holding plate 33A, the 33B (with reference to Fig. 2) of described aluminium base 30 by described rolling clamp 32A, 32B; 2 negative plates 36 that clip aluminium base 30 and dispose relatively; Be electrically connected the power supply 38 of aluminium base 30 and 2 negative plates 36; Regulate the temperature adjustment unit 40 of the electrolyte temperature of storage tanks 18.
2 negative plates 36 are the metal sheets that dispose relatively apart from aluminium base 30 certain intervals, and dispose with respect to the central axes of aluminium base 30, and clip aluminium base 30 from horizontal direction.In addition, as the temperature adjustment unit 40 that is arranged on storage tanks 18, can list with water, wet goods as the heat exchanger of thermal medium, electric heater etc.
With reference to Fig. 2, holding plate 33A, 33B are the metal sheets that is configured to clip from axial C1 aluminium base 30 across the gap relatively, it has the 34A of bearing portion, 34B respectively on the extended line of the axial C1 of aluminium base 30, the 34A of bearing portion, 34B are for can be rotated anchor clamps 32A, the 32B opening of intercalation rotatably.The inner peripheral surface of the 34A of bearing portion, 34B is provided with dry bearing 35A, the 35B that is made by resin material or metallic substance, and rolling clamp 32A, 32B rotatably are supported in holding plate 33A, 33B by described dry bearing 35A, 35B.
The top of separated holding plate 33A, 33B is provided with across between them and run through their a plurality of bar type parts 41 (referring again to Fig. 1). Holding plate 33A, 33B connect by these bar type parts 41 with the state that hangs down and be parallel to each other from described bar type parts 41.Rolling clamp 32A, 32B insert opening 31A, the 31B of aluminium base 30 with the state that gently is pressed into, aluminium base 30 is to be supported by rolling clamp 32A, 32B towards the confined state of circumferential rotation with respect to rolling clamp 32A, 32B, more specifically say, aluminium base 30 utilizes rolling clamp 32A, 32B to support, and makes its axial C1 (Fig. 2) be the level of state.That is, aluminium base 30 utilizes rolling clamp 32A, 32B to support, and makes it be the state parallel with the bottom of anodizing tank 12.
Among Fig. 2, the rotation center region that is positioned at the rolling clamp 32A in drawing left side is formed with the through hole 42 that connects on the axial C1 of aluminium base 30, in through hole 42, insert and maintain the bar-shaped energising mobile jib of making by electro-conductive material 43, and the mobile jib 43 of switching on can not be done relative rotation with respect to through hole 42 to run through state.Energising mobile jib 43 one are fixed on the rolling clamp 32A, rotate along with the rotation of rolling clamp 32A.Energising mobile jib 43 can be mode such as form flange part on energising mobile jib 43, be threaded with respect to the fixing means of rolling clamp 32A, yet, also can be other modes.
One side of energising mobile jib 43 forms coniform, this coniform end 44 and rotation carrier 46 butts, and rotation carrier 46 is formed at the lower end side of the power supply batten 45 that hangs down from bar type parts 41.Rotation carrier 46 has cone shape recess 47, makes the tip of coniform end 44 and the bottom butt of this recess 47, simultaneously the side regions by recess 47 surround coniform end 44 around, thereby carry out position limit.Energising mobile jib 43 is electrically connected to power supply 38 (Fig. 1) by power supply batten 45 and rotation carrier 46, obtains current supply from power supply 38.And coniform end 44 both can be the parts with energising mobile jib 43 one, also can be the parts of the split of removably installing.
The opposite side one of energising mobile jib 43 can be fixed with the radially outstanding a pair of terminal of being made by electro-conductive material 48 with switching on, and the size setting of terminal 48 and shape set for being connected on the inner peripheral surface of aluminium base 30 with switching on.Thus, terminal 48 is connected on the aluminium base 30, can supply with electric current to aluminium base 30.Say that more specifically terminal 48 forms: be positioned at the most advanced and sophisticated side warpage of aluminium base 30 sides, have the smooth bearing surface 48A on the inner peripheral surface that is connected to aluminium base 30 at this warpage position, from here to aluminium base 30 energisings.
In the anodic oxidation treatment device 10 of above-mentioned formation, when the motivating force of the not shown motor of transmission made aluminium base 30 rotations, the rolling clamp 32A of opening 31A side was along with the aluminium base 30 by rolling clamp 32B rotation is rotated.Therefore, under the state that the energising mobile jib 43 that is fixed on rolling clamp 32A is switched in the regulation zone that can be connected to aluminium base 30 inner peripheral surfaces all the time, rotate synchronously with aluminium base 30.
Use the anodic oxidation of aluminium base 30 of this anodic oxidation treatment device 10 as described below.
During anodic oxidation aluminium base 30, discharge a part of electrolytic solution while rotate aluminium base 30 from anodizing tank 12, anode oxidation trough 12 is supplied with the electrolytic solution of equivalent simultaneously.Specifically, electrolytic solution overflows from anodizing tank 12, makes the electrolytic solution that overflows run down into storage tanks 18, after the temperature by storage tanks 18 conciliation electrolytic solution, this electrolytic solution is turned back in the anodizing tank 12 from the supplying opening 22 that is arranged at aluminium base 30 downsides.
At this moment, utilize pump 26 to have pressure ground to discharge electrolytic solution from supplying opening 22, and then by cowling panel 28 adjustment electrolyte flow, make the electrolytic solution of discharging rise equably substantially, make the electrolytic solution that rises to top from the bottom of anodizing tank 12 form roughly thus and flow uniformly from the whole bottom of anodizing tank 12 from supplying opening 22.
The feed rate of the electrolytic solution of anode oxidation trough 12 (output of the electrolytic solution of discharging from supplying opening 22) is preferably more than 20L/ divides, and particularly is preferably more than 30L/ divides.The feed rate of electrolytic solution is more than 30L/ divides, and then can produce sufficient electrolyte flow at whole anodizing tank 12.From the ability of pump 26, the feed rate of electrolytic solution is preferably below the 150L/ branch, particularly is preferably below the 140L/ branch.
The rotating speed of aluminium base 30 is preferably more than the 0.1rpm.The rotating speed of aluminium base 30 then can fully suppress concentration, temperature unbalanced of the electrolytic solution around the aluminium base 30 more than 0.1rpm.From the ability of drive unit 30, the rotating speed of aluminium base 30 is preferably below the 20rpm.
The purity of aluminium is preferably more than 99%, particularly is preferably more than 99.5%, more is preferably more than 99.8%.When the purity of aluminium is low, when anodic oxidation because the segregation of impurity is formed with the sag and swell that makes visible light size at random, the systematicness decline of the pore 52 that forms by anodic oxidation.Electrolytic solution can be oxalic acid, sulfuric acid etc.
Use the situation of oxalic acid as electrolytic solution;
The concentration of oxalic acid is preferably below the 0.7M.When the concentration of oxalic acid surpassed 0.7M, it was too high current value to occur, the situation of the surperficial roughen of oxide scale film.
When formation voltage is 30V～60V, can obtain having the cycle and be the anodised aluminium of the higher pore of the systematicness of 100nm.Formation voltage is higher or low than this scope all may to reduce systematicness.
The temperature of electrolytic solution is preferably below 60 ℃, particularly is preferably below 45 ℃.When the temperature of electrolytic solution surpasses 60 ℃, may cause that the phenomenon, the pore that are called " burn " are damaged, surface melting and cause the systematicness disorder of pore.
Use the situation of sulfuric acid as electrolytic solution;
Vitriolic concentration is preferably below the 0.7M.When vitriolic concentration surpassed 0.7M, it was too high current value to occur, can't keep the situation of voltage rating.
When formation voltage is 25V～30V, can obtain having the cycle and be the anodised aluminium of the higher pore of the systematicness of 63nm.Formation voltage is higher or low than this scope all may to reduce systematicness.
The temperature of electrolytic solution is preferably below 30 ℃, particularly is preferably below 20 ℃.When the temperature of electrolytic solution surpasses 30 ℃, may cause the phenomenon that is called " burn ", cause the pore damage, surface melting and cause the systematicness disorder of pore.
Then, after formation has the oxide scale film 54 of pore 52 shown in Fig. 3 (b), make roller shape mould by repeating following operation: thus use anodic oxidation treatment device 10 to carry out the operation (anodic oxidation treatment) that anodic oxidation forms the anodised aluminium that has a plurality of pores, and the operation (the pore aperture enlarges processing) that enlarges this pore aperture.
When repeating to implement anodic oxidation treatment operation and the expansion processing of pore aperture, first-selection, temporary transient scale removal film 54 shown in Fig. 3 (c).Here generate point 56 by it being made anodised pore, can improve the systematicness of pore.
The method of scale removal film can be for making the method in its solution that is dissolved in dissolved aluminum selective dissolution oxide scale film not.This solution can for for example, chromic acid/phosphoric acid mixed solution etc.
Then, when the aluminium base 30 of having removed oxide scale film is carried out anodic oxidation once more, shown in Fig. 3 (d), be formed with oxide scale film 54 with cylindric pore 52.
Anodic oxidation uses above-mentioned anodic oxidation treatment device 10 to implement.The condition that condition is can be for the oxide scale film 54 that forms shown in Fig. 3 (b) time identical.The anodised time is long more, and the pore that can access is dark more.
Then, shown in Fig. 3 (e), make the processing of the aperture expansion of pore 52.Enlarge to handle in the pore aperture is a kind of oxide scale film is immersed in the solvent soln and enlarge the processing in the pore aperture that obtains by anodic oxidation.This solution can be phosphate aqueous solution of for example mass concentration about 5% etc.
It is long more that the pore aperture enlarges the time of handling, and the pore aperture is big more.
Then, when carrying out anodic oxidation once more, shown in Fig. 3 (f), and then be formed with from that extend, that diameter the is less downwards cylindric pore 52 in the bottom of cylindric pore 52.
Anodic oxidation uses above-mentioned anodic oxidation treatment device 10 to implement.Condition is identical with above-mentioned condition to get final product.The anodised time is long more, and it is dark more to access pore.
Then, as mentioned above, carry out the pore aperture repeatedly and enlarge processing and anodic oxidation treatment, obtain roller shape mould 60 shown in Fig. 3 (g), that be formed with anodised aluminium (the porous matter oxide scale film (alumite) of aluminium), described anodised aluminium has and is shaped as the pore 52 that diameter reduces continuously to depth direction from peristome.Preferred final step is treated to the pore aperture and enlarges processing.
Multiple adds up to number of times to be preferably more than three times, particularly is preferably more than five times.The multiple number of times is at twice when following, because the pore diameter discontinuity reduces, so the reflectivity decline effect of the blooming that this pore of transfer printing is made is insufficient.
The shape of pore 52 can be approximate circle cone-shaped, square cone-shaped etc.Be below the visible wavelength average period that pore is 52, promptly below the 400nm.Be preferably more than the 25nm average period that pore is 52.
The degree of depth of pore 52 is preferably 100～500nm, particularly is preferably 150～400nm.The depth-to-width ratio of pore 52 (width of the degree of depth of pore/pore peristome) is preferably more than 1.5, particularly is preferably more than 2.0.
In the anodic oxidation treatment device 10 of aforesaid present embodiment, when the aluminium base 30 that makes the roller shape in the electrolytic solution of anodizing tank 12 during anodic oxidation, because can rotate aluminium base 30 as turning axle with the central shaft of aluminium base 30, so can suppress concentration of electrolyte, temperature unbalanced around the aluminium base 30, on the whole periphery of aluminium base 30, carry out anodic oxidation uniformly substantially, consequently, can produce the not neat roller shape mould of the degree of depth that has suppressed pore.
In addition, because aluminium base 30 and terminal 48 are rotated synchronously, and from terminal 48 to aluminium base 30 energising, so can eliminate aluminium base 30 suppress to switch on the wearing and tearing of 48 of terminals bad, can so the qualification rate of raising roller shape mould.
Promptly, only rotate the mode of aluminium base 30 (fixes terminal 48 if terminal 48 and aluminium base 30 are asynchronous with the state of the inner peripheral surface that is connected to aluminium base 30, only make the mode of aluminium base 30 rotations), then, terminal 48 switches on owing to sliding on the inner peripheral surface of aluminium base 30, so between terminal 48 and aluminium base 30, produce contact wear, it is bad to cause energising between terminal 48 and aluminium base 30, yet, in the utility model, by under the state of aluminium base 30 and terminal 48 butts, rotating aluminium base 30 and terminal 48 synchronously, can prevent the generation that this energising is bad.
Here, Figure 4 shows that the embodiment of actual measurement for the switch-on regime of aluminium base 30 in the anodic oxidation treatment device 10.In Fig. 4, transverse axis is represented time shaft (second), and the longitudinal axis is represented the current value (A) to aluminium base 30 energisings.Can find out clearly that from this figure the current value that applies in the early stage is after the steady state, can under the state of fixed current value stabilization, switch on chronically to aluminium base 30.From this embodiment as can be seen the utility model suppress the bad effect of energising.
In addition, in the present embodiment, the end of energising mobile jib 43 is set to coniform (coniform end 44), can reduce contact area thus with rotation carrier 46, to be controlled at bottom line because of the powder that contact wear produces, in addition, can also upgrade the surface.Therefore, can not form the higher alumina layer of electrical insulating property, can keep switch-on regime.
Claims (4)
1. anodic oxidation treatment device, the electrolytic solution by anodizing tank carries out anodic oxidation treatment to the aluminium base cylindraceous that is made of aluminium, and this anodic oxidation treatment device is characterised in that,
Have the electroconductibility terminal that makes described aluminium base energising,
The central shaft of described aluminium base is rotated this aluminium base as rotation center, and described terminal is rotated synchronously with state and described aluminium base with described aluminium base butt, described aluminium base is switched on.
2. anodic oxidation treatment device according to claim 1 is characterized in that also having: fixing described terminal, along the turning axle of the axially extended electroconductibility of described aluminium base; And
The electroconductibility power supply board parts of this turning axle being powered with the end butt of described turning axle,
By described turning axle and described aluminium base are rotated synchronously, make described terminal and described aluminium base rotate synchronously.
3. anodic oxidation treatment device according to claim 2 is characterized in that, being shaped as of the position that contacts with described power supply board parts of described turning axle is coniform.
4. according to claim 2 or 3 described anodic oxidation treatment devices, it is characterized in that described aluminium base is that rotation center is rotated by being fixed on the rolling clamp of end with the central shaft,
Described turning axle is fixed on the described rolling clamp, rotates synchronously with described aluminium base thus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010136227 | 2010-06-15 | ||
| JP2010-136227 | 2010-06-15 |
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| Publication Number | Publication Date |
|---|---|
| CN202022989U true CN202022989U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200949140U Expired - Lifetime CN202022989U (en) | 2010-06-15 | 2011-03-25 | Anodic oxidation treatment device |
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| CN (1) | CN202022989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604410A (en) * | 2017-09-25 | 2018-01-19 | 绵阳行吉科技有限公司 | A kind of oxidation treatment device of aluminium |
| CN109055936A (en) * | 2018-10-12 | 2018-12-21 | 河南理工大学 | A kind of colloidal particle exposure mask preparation facilities |
-
2011
- 2011-03-25 CN CN2011200949140U patent/CN202022989U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107604410A (en) * | 2017-09-25 | 2018-01-19 | 绵阳行吉科技有限公司 | A kind of oxidation treatment device of aluminium |
| CN109055936A (en) * | 2018-10-12 | 2018-12-21 | 河南理工大学 | A kind of colloidal particle exposure mask preparation facilities |
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Address after: Japan's Tokyo port harbor yidingmu 6 No. 41 Patentee after: Mitsubishi Kasei Corporation Address before: Japan's Tokyo port harbor yidingmu 6 No. 41 Patentee before: Mitsubishi Reiyon Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Within Japan Tokyo Chiyoda pill 1 chome No. 1 Patentee after: Mitsubishi Kasei Corporation Address before: Japan's Tokyo port harbor yidingmu 6 No. 41 Patentee before: Mitsubishi Kasei Corporation |
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