CN207760439U - Aluminium section bar coloring system - Google Patents
Aluminium section bar coloring system Download PDFInfo
- Publication number
- CN207760439U CN207760439U CN201721918228.4U CN201721918228U CN207760439U CN 207760439 U CN207760439 U CN 207760439U CN 201721918228 U CN201721918228 U CN 201721918228U CN 207760439 U CN207760439 U CN 207760439U
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- Prior art keywords
- station
- section bar
- slot
- coloring
- aluminium section
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Abstract
The utility model is related to a kind of aluminium section bar coloring systems, including pre-treatment station, anodic oxidation station, electrolytic coloring station, sealing of hole station, electrophoresis station and drying station in a row and be sequentially arranged on same room surface layer, sealing of hole station is with electrophoresis station arranged for interval and forms first time line passage for being used for lower line section bar between, and the side of the separate electrophoresis station of drying station is formed with second time line passage for lower line section bar.Aluminium section bar coloring system provided by the utility model, by the way that sealing of hole station and electrophoresis station interval are arranged and form first time line passage between, and second time line passage is formed after drying station, so that the aluminium section bar coloring process of pre-treatment → anodic oxidation → electrolytic coloring can be realized in this system, the aluminium section bar coloring process that can realize pre-treatment → anodic oxidation → electrolytic coloring → electrophoretic coating again, to enrich the treatment process and product variety that aluminium section bar colours production line.
Description
Technical field
The utility model is related to a kind of aluminium section bar coloring systems.
Background technology
Architectural aluminum section appearance is single, is easily corroded in moist atmosphere, it is difficult to meet construction material high-decoration and strong
The requirement of weatherability.To improve decorative effect, enhancing corrosion resistance and prolonging the service life, aluminium section bar will generally carry out surface
Processing.Currently, main aluminium section bar coloring treatment technique have anodic oxidation → electrolytic coloring and anodic oxidation → electrolytic coloring →
The technological processes such as electrophoretic coating, technological process and product variety are single, and an electrolytic coloring slot is usually not enough to complete a variety of face
The coloring of color produces, and is not enough to be applicable in the diversified situation of current market demand.
Utility model content
The utility model embodiment is related to a kind of aluminium section bar coloring system, can at least solve the segmental defect of the prior art.
The utility model embodiment is related to a kind of aluminium section bar coloring system, including in a row and to be sequentially arranged in same workshop flat
Pre-treatment station, anodic oxidation station, electrolytic coloring station, sealing of hole station, electrophoresis station and drying station on the layer of face,
In, the sealing of hole station is with the electrophoresis station arranged for interval and is formed between offline logical for the first of lower line section bar
The side far from the electrophoresis station in road, the drying station is formed with second time line passage for lower line section bar.
As one of embodiment, the anodic oxidation station is sequentially disposed with multi-stage oxidizing slot along proximate matter traffic direction, first
It is arranged at least between grade oxidation trough and the pre-treatment station and between final stage oxidation trough and the electrolytic coloring station
One-stage water wash slot.
As one of embodiment, water after tertiary oxidation is disposed between the final stage oxidation trough and the electrolytic coloring station
Washing trough.
As one of embodiment, rinsing bowl is the dipping tank for carrying out dipping washing to proximate matter after first order oxidation, the
Rinsing bowl is installed on rinsing bowl after third level oxidation for the spray thrower to proximate matter progress spray washing after secondary oxidation
Structure.
As one of embodiment, the electrolytic coloring station is disposed with electrolytic coloring slot, before and after the electrolytic coloring slot
It is disposed at least one-stage water wash slot；The electrolytic coloring slot is connected with grug feeding jar by chemical feed pipe, and the chemical feed pipe, which is equipped with, to be supplied
To pump, blender and heating device are equipped in the grug feeding jar.
As one of embodiment, side is connected to a sluicing pipe on the chemical feed pipe and sluicing pipe side contact is close to the chemical feed pipe
Outlet end setting, the other end of the sluicing pipe connect with the grug feeding jar, and the chemical feed pipe is all provided with on the sluicing pipe
There is control valve, wherein the control valve on the chemical feed pipe is located at by sluicing pipe between contact and the electrolytic coloring slot.
As one of embodiment, the electrophoresis station is disposed with electrophoresis tank, the electrophoresis tank and first time line passage
Between along proximate matter traffic direction be sequentially arranged the washing trough of two-stage soup and level-one pure water washing trough, the electrophoresis tank and the drying station
Between along proximate matter traffic direction be sequentially arranged two-stage RO treatment troughs and a drip stand.
As one of embodiment, the sealing of hole station is disposed with sealing of hole slot, the sealing of hole slot and first time line passage
Between along proximate matter traffic direction be sequentially arranged a soup washing trough and a rinsing bowl.
As one of embodiment, the pre-treatment station along proximate matter traffic direction be sequentially disposed with degreasing bath, alkaline etching slot and
Neutralization chamber is arranged at least one between the degreasing bath and the alkaline etching slot and between the alkaline etching slot and the neutralization chamber
Grade rinsing bowl.
As one of embodiment, side of the pre-treatment station far from the anodic oxidation station be formed with reach the standard grade it is logical
Road is disposed with upper framed bent and lower framed bent between the upper line passage and first time line passage, wherein the upper framed bent cloth
It is placed in by the upper line passage, the lower framed bent is arranged in by first time line passage, and second time line passage is by prolonging
Channel is stretched to dock with the lower framed bent.
The utility model embodiment at least has the advantages that：Aluminium section bar coloring system provided by the utility model,
By the way that sealing of hole station and electrophoresis station interval to be arranged to and formed between first time line passage, and drying station it
Second time line passage is formed afterwards so that the aluminium section bar colourer of pre-treatment → anodic oxidation → electrolytic coloring can be realized in this system
Skill, and can realize the aluminium section bar coloring process of pre-treatment → anodic oxidation → electrolytic coloring → electrophoretic coating, to enrich aluminium
Proximate matter colours the treatment process and product variety of production line.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram for the aluminium section bar coloring system that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Such as Fig. 1, the embodiment of the present invention provides a kind of aluminium section bar coloring system, including is arranged in a row and sequentially same workshop
Pre-treatment station, anodic oxidation station, electrolytic coloring station, sealing of hole station, electrophoresis station on plane layer and drying station,
In, the first offline logical of line section bar can be descended by being formed in the sealing of hole station and the electrophoresis station arranged for interval and between
The side far from the electrophoresis station in road 13, the drying station is formed with the second time line passage 14 that can descend line section bar.
Aluminium section bar coloring system provided in this embodiment, by the way that sealing of hole station and electrophoresis station interval to be arranged and in the two
Between form first time line passage 13, and second time line passage 14 is formed after drying station so that this system can be real
The aluminium section bar coloring process of existing pre-treatment → anodic oxidation → electrolytic coloring, and can realize that pre-treatment → anodic oxidation → is electrolysed
The aluminium section bar coloring process of color → electrophoretic coating, to enrich the treatment process and product product that aluminium section bar colours production line
Kind.
Preferably, aluminium section bar coloring system provided in this embodiment is designed based on single nickel salt coloring process, specifically
Ground, such as Fig. 1, the electrolytic coloring station include electrolytic coloring slot 5, and at least level-one is arranged with before and after the electrolytic coloring slot 5
Rinsing bowl 9；Tank liquor in the electrolytic coloring slot 5 contains nickel sulfate and boric acid, wherein a concentration of 140~150g/ of nickel sulfate
L, a concentration of 38~42g/L of boric acid, K in tank liquor+、Na+With NH4 +Concentration summation be not more than 10PPm, the pH of tank liquor 4~
In 4.4 ranges, the temperature of tank liquor is within the scope of 23~27 DEG C.Based on to the concentration setting of nickel sulfate in tank liquor and boric acid and its pH
The control of value and temperature, can achieve the effect that preferable uniform coloring；Wherein, in anodic oxidation process, generation is controlled
The thickness of sulphuric acid oxidation coating in 6~20 μ ms, then electrolytic coloring process obtain uniform coloring more preferably.
Advanced optimize above-mentioned aluminium section bar coloring system, it is preferable that the electrolytic coloring slot 5 is configured with grug feeding jar, in electricity
Coloring liquid can be added in solution coloring slot 5 fluting and operational process into the electrolytic coloring slot 5.The volume of the grug feeding jar is 1
~2m3In range, in the present embodiment, it is 1~1.2m preferably to select volume3Grug feeding jar, further preferably use volume for
1m3Grug feeding jar, convenient for coloring liquid preparation control.The grug feeding jar is configured with blender, heating device and supply pump, wherein
Blender promotes drug to dissolve for making the pure water of addition be mixed with drug；Heating device be used for the solution in grug feeding jar into
Row heating；Supply pump is then used to the coloring liquid in the grug feeding jar being introduced in electrolytic coloring slot 5；The material of the grug feeding jar is not with
Rust steel is preferred.
Specifically, it in the present embodiment, is preferably re-introduced into advance to electrolytic coloring after preparation coloring liquid in grug feeding jar
In slot 5, to can guarantee the control to the concentration and tank liquor pH value of nickel sulfate in tank liquor and boric acid.The electrolytic coloring slot 5
Grooving method include：
Pure water is added into the grug feeding jar for step 1, and pure water addition guarantees to dissolve the drug that single is added, and
42~48 DEG C are heated to, preferred embodiment is in order to control at 45 DEG C；
Step 2 sequentially adds boric acid and nickel sulfate into the grug feeding jar, wherein the addition of boric acid be 49~
The addition of 51kg, nickel sulfate are 212~216kg；It is further preferred that often preparing 1m3Coloring liquid, be added boric acid 50kg,
Nickel sulfate 215kg is added；
Step 3 keeps solution temperature in the grug feeding jar to stop stirring after drug dissolving completely at 42~48 DEG C, will
Solution in the grug feeding jar is introduced in the electrolytic coloring slot 5；
Step 4 repeats step 1 to step 3；Wherein, after nickel sulfate addition total amount reaches setting addition total amount, step
In rapid two, boric acid addition is 73~76kg, i.e., often prepares 1m3Coloring liquid, be added 73~76kg of boric acid, preferably 75kg/m3
Coloring liquid；
Step 5, after adding all drugs, the grug feeding jar described in pure water, and cleaning solution is introduced to described be electrolysed
In color slot 5 so that filling is pure water in the chemical feed pipe connected between electrolytic coloring slot 5 and grug feeding jar, ensures next dosing
When coloring liquid addition control accuracy；
Pure water adjusting liquid level, tank liquor concentration and pH value are added into the electrolytic coloring slot 5 for step 6；It specifically includes, to
It colours in slot plus pure water adjusts liquid level so that tank liquor recycles；By measuring tank liquor concentration and pH value, the concentration of tank liquor is adjusted in real time
And pH value.
In another embodiment, in operational process, when the concentration of nickel sulfate and boric acid in the electrolytic coloring slot 5
When being reduced to other than setting range, coloring liquid is supplemented into the electrolytic coloring slot 5, the method for supplementing coloring liquid includes：
S1 introduces tank liquor into the grug feeding jar, and tank liquor addition guarantees to dissolve the drug that single is added, and heats
To 42~48 DEG C；
S2 sequentially adds boric acid and nickel sulfate into the grug feeding jar, wherein adding amount of medicines meets every cubic metre of coloring
Boron acid is containing amount≤50kg, sulfuric acid nickel content≤25kg in liquid；
S3 keeps solution temperature in the grug feeding jar to stop stirring after drug dissolving completely at 42~48 DEG C, will be described
Solution in grug feeding jar is introduced in the overflow launder 51 of the electrolytic coloring slot 5.
In the above-described embodiments, drug is diluted using tank liquor, advantageously ensures that the coloring liquid and tank liquor of supplement
The consistency of parameter, to avoid the impact of the job stability to the tank liquor in electrolytic coloring slot 5.It is further preferred that
During above-mentioned S3, stop stirring after drug dissolving completely, is then drained to the coloring liquid cycle of preparation by supply pump
In the grug feeding jar, and after being heated up to 42~48 DEG C to the coloring liquid in grug feeding jar, it is re-introduced into the overflow of the electrolytic coloring slot 5
In slot 51, so that the chemical feed pipe between grug feeding jar and electrolytic coloring slot 5 washs, ensure to be added into electrolytic coloring slot 5
The temperature of coloring liquid be target temperature, avoid in chemical feed pipe residual liquid to the combination cooling effect of coloring liquid.To easily
In understanding ground, other on the chemical feed pipe to be connected to a sluicing pipe, the other contact of the sluicing pipe is arranged close to the outlet end of the chemical feed pipe,
And the other end of the sluicing pipe is connect with grug feeding jar, is equipped with control valve on the chemical feed pipe and sluicing pipe, wherein on chemical feed pipe
Control valve is located at by sluicing pipe between contact and electrolytic coloring slot 5.
Usually, above-mentioned electrolytic coloring slot 5 is general by the way of tank liquor cycle, ensures that each parameter of tank liquor is uniform, wherein
Electrolytic coloring slot 5 is configured with overflow launder 51, this is this field routine techniques, and structure is omitted herein.Preferably, tank liquor circulation line
It is equipped with heat-exchanger rig, realizes the temperature automatic control to recycling tank liquor, ensures that the temperature of tank liquor is stablized, to equal conducive to realizing
The purpose of even coloring.It is further preferred that the dissolubility due to boric acid is poor, even if needing holding pair if under the situations such as halt production
The cycle heat preservation operation of tank liquor, avoids boric acid from crystallizing；When there is boric acid crystalline polamer, preferably set in electrolytic coloring slot 5
Heater is set, to promote the boric acid of crystallization to dissolve.
Continue to optimize the present embodiment, such as Fig. 1, the anodic oxidation station is sequentially disposed with multistage oxygen along proximate matter traffic direction
Change slot 41, between chopped-off head oxidation trough 41 and the pre-treatment station and between final stage oxidation trough 41 and the electrolytic coloring station
It is arranged at least one-stage water wash slot 9.In the present embodiment, using multi-stage oxidizing slot 41 to proximate matter carry out anodized, one
Aspect can select the number of proximate matter anodized as needed, to further enrich the application model of this coloring system
Enclose, on the other hand, proximate matter after multiple anodized, compared to the prior art in conventional single anodic oxygen chemical industry
Skill can effectively increase the thickness and uniformity of anode oxide film, so as to significantly improve the corrosion resisting property of aluminium section bar, improve
The case hardness and wearability of aluminium section bar, and improve the uniform coloring of follow-up coloring treatment.
Further, such as Fig. 1, the quantity of the oxidation trough 41 is 5, the anodic oxygen makeup arranged at anodic oxidation station
It further includes oxidation overflow launder 42 to set 4, the oxidation overflow launder 42 be arranged in third level oxidation trough 41 and fourth stage oxidation trough 41 it
Between, each oxidation trough 41 is connect with the oxidation overflow launder 42.
It is further preferred that such as Fig. 1, three-level oxygen is disposed between the final stage oxidation trough 41 and the electrolytic coloring station
Rinsing bowl 9 after change, wherein
After first order oxidation in rinsing bowl 9, the pH value of washing water is in 1.0~1.5 ranges, and water temperature is 10~26 DEG C, water
Washing method is 1~3min of dipping；
After the oxidation of the second level in rinsing bowl 9, the pH value of washing water is in 3.0~4.0 ranges, and water temperature is 10~26 DEG C, water
Washing method is 1~3min of elution；
After third level oxidation in rinsing bowl 9, the pH value of washing water is in 4.0~5.0 ranges, and water temperature is 10~26 DEG C, water
Washing method is 1~3min of elution.
Namely：Rinsing bowl 9 is the dipping tank for carrying out dipping washing to proximate matter after first order oxidation, after the oxidation of the second level
Rinsing bowl 9 is installed on rinsing bowl 9 after third level oxidation for the spraying mechanism to proximate matter progress spray washing.
It in the present embodiment, is washed using three-level after anodic oxidation, and the washing water pH value of three-level washing is strictly controlled
System, three-level washing use pH value gradually increased pH gradient, can reach preferable water washing effect, simultaneously, it is ensured that oxidation film
Activity, to ensure the uniformity of follow-up coloring treatment.In addition, the present embodiment is using the washing of level-one dipping and two-stage spray washing
The washing process combined successively, can be to avoid producing on proximate matter when the larger first order washing water of spray acid after anodic oxidation
Raw current mark and drop impression.In above-mentioned three-level washing process, after rinsing bowl 9 and the second level aoxidize after first order oxidation in rinsing bowl 9
Industry water is both preferably used, pure water is then preferably used in rinsing bowl 9 after third level oxidation.
Connect the structure of above-mentioned aluminium section bar coloring system, such as Fig. 1, the pre-treatment station is along proximate matter traffic direction sequentially cloth
It is equipped with degreasing bath 1, alkaline etching slot 2 and neutralization chamber 3, between the degreasing bath 1 and the alkaline etching slot 2 and the alkaline etching slot 2 and institute
It states and is arranged at least one-stage water wash slot 9 between neutralization chamber 3.
In the present embodiment, it is arranged with rinsing bowl 9 (i.e. between adjacent rear procedure technology slot) after each technology groove,
In, preferably, arrange one-stage water wash slot 9 after degreasing bath 1, two-stage rinsing bowl 9 is arranged after alkaline etching slot 2, after neutralization chamber 3
It arranges two-stage rinsing bowl 9, two-stage rinsing bowl 9 is arranged after electrolytic coloring slot 5, a soup washing trough 10 is sequentially arranged after sealing of hole slot 6
With a rinsing bowl 9.
Preferably, such as Fig. 1, two-stage soup washing trough 10 and level-one are sequentially arranged between first time line passage 13 and electrophoresis tank 7
Pure water washing trough 9, electrophoresis tank 7 are sequentially arranged two-stage RO treatment troughs 11 later, dropping liquid are disposed between electrophoresis tank 7 and drying oven 8
Frame 12.
In addition, such as Fig. 1, side of the pre-treatment station far from the anodic oxidation station is formed with upper line passage 15,
Upper framed bent 16 and lower framed bent 17 are disposed between the upper line passage 15 and first time line passage 13, wherein on described
Framed bent 16 is arranged in by the upper line passage 15, and the lower framed bent 17 is arranged in by first time line passage 13, and described second
Lower line passage 14 is docked by extending channel with the lower framed bent 17.Framed bent 16 is arranged to make up a loading and unloading with lower framed bent 17 on this
Area can be separated between the loading and unloading area and above-mentioned coloring treatment line by maintenance channel.Above-mentioned aluminium profiles provided in this embodiment
Material coloring system, using the above structure, have many advantages, such as it is rationally distributed, compact-sized, be readily produced management.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of aluminium section bar coloring system, it is characterised in that：Before in a row and being sequentially arranged on same room surface layer
Handle station, anodic oxidation station, electrolytic coloring station, sealing of hole station, electrophoresis station and drying station, wherein the sealing of hole
Station is with the electrophoresis station arranged for interval and forms first time line passage for being used for lower line section bar, the drying between
The side far from the electrophoresis station of station is formed with second time line passage for lower line section bar.
2. aluminium section bar coloring system as described in claim 1, it is characterised in that：The anodic oxidation station is along proximate matter operation side
To being sequentially disposed with multi-stage oxidizing slot, between chopped-off head oxidation trough and the pre-treatment station and final stage oxidation trough and the electrolysis
It is arranged at least one-stage water wash slot between coloring station.
3. aluminium section bar coloring system as claimed in claim 2, it is characterised in that：The final stage oxidation trough and the electrolytic coloring
Rinsing bowl after tertiary oxidation is disposed between station.
4. aluminium section bar coloring system as claimed in claim 3, it is characterised in that：Rinsing bowl is for type after first order oxidation
Material carries out the dipping tank of dipping washing, be installed in rinsing bowl after the oxidation of rinsing bowl and the third level after the oxidation of the second level for pair
Proximate matter carries out the spraying mechanism of spray washing.
5. aluminium section bar coloring system as described in claim 1, it is characterised in that：The electrolytic coloring station, which is disposed with, to be electrolysed
Color slot is arranged at least one-stage water wash slot before and after the electrolytic coloring slot；The electrolytic coloring slot is connected with by chemical feed pipe
Grug feeding jar, the chemical feed pipe are equipped with supply pump, blender and heating device are equipped in the grug feeding jar.
6. aluminium section bar coloring system as claimed in claim 5, it is characterised in that：On the chemical feed pipe it is other be connected to a sluicing pipe and
Contact is arranged close to the outlet end of the chemical feed pipe by sluicing pipe, and the other end of the sluicing pipe is connect with the grug feeding jar, institute
It states and is equipped with control valve on chemical feed pipe and the sluicing pipe, wherein the control valve on the chemical feed pipe is located at contact by sluicing pipe
Between the electrolytic coloring slot.
7. aluminium section bar coloring system as described in claim 1, it is characterised in that：The electrophoresis station is disposed with electrophoresis tank, institute
It states and has been sequentially arranged the washing trough of two-stage soup along proximate matter traffic direction between electrophoresis tank and first time line passage and level-one pure water is washed
Slot has been sequentially arranged two-stage RO treatment troughs and a dropping liquid between the electrophoresis tank and the drying station along proximate matter traffic direction
Frame.
8. aluminium section bar coloring system as claimed in claim 7, it is characterised in that：The sealing of hole station is disposed with sealing of hole slot, institute
It states and has been sequentially arranged a soup washing trough and a rinsing bowl along proximate matter traffic direction between sealing of hole slot and first time line passage.
9. aluminium section bar coloring system as described in claim 1, it is characterised in that：The pre-treatment station is along proximate matter traffic direction
It is sequentially disposed with degreasing bath, alkaline etching slot and neutralization chamber, between the degreasing bath and the alkaline etching slot and the alkaline etching slot and institute
It states and is arranged at least one-stage water wash slot between neutralization chamber.
10. aluminium section bar coloring system as described in claim 1, it is characterised in that：The pre-treatment station is far from the anode
The side of oxidation station is formed with line passage, and upper framed bent is disposed between the upper line passage and first time line passage
With lower framed bent, wherein the upper framed bent is arranged in by the upper line passage, and the lower framed bent is arranged in first time line passage
Side, second time line passage are docked by extending channel with the lower framed bent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918228.4U CN207760439U (en) | 2017-12-29 | 2017-12-29 | Aluminium section bar coloring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721918228.4U CN207760439U (en) | 2017-12-29 | 2017-12-29 | Aluminium section bar coloring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207760439U true CN207760439U (en) | 2018-08-24 |
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ID=63182612
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721918228.4U Expired - Fee Related CN207760439U (en) | 2017-12-29 | 2017-12-29 | Aluminium section bar coloring system |
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| Country | Link |
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| CN (1) | CN207760439U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193238A (en) * | 2017-12-29 | 2018-06-22 | 湖北创伟机械设备有限公司 | A kind of aluminium section bar coloring system |
| CN115388630A (en) * | 2022-09-01 | 2022-11-25 | 南通华灿电讯科技有限公司 | Aluminum alloy anodic oxidation follow-up air-drying treatment mechanism |
-
2017
- 2017-12-29 CN CN201721918228.4U patent/CN207760439U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193238A (en) * | 2017-12-29 | 2018-06-22 | 湖北创伟机械设备有限公司 | A kind of aluminium section bar coloring system |
| CN115388630A (en) * | 2022-09-01 | 2022-11-25 | 南通华灿电讯科技有限公司 | Aluminum alloy anodic oxidation follow-up air-drying treatment mechanism |
| CN115388630B (en) * | 2022-09-01 | 2023-09-12 | 南通华灿电讯科技有限公司 | Aluminum alloy anodic oxidation follow-up air drying treatment mechanism |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20191229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |