CN102154656A - Method for enhancing surface glossiness of can cap - Google Patents
Method for enhancing surface glossiness of can cap Download PDFInfo
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- CN102154656A CN102154656A CN 201010584071 CN201010584071A CN102154656A CN 102154656 A CN102154656 A CN 102154656A CN 201010584071 CN201010584071 CN 201010584071 CN 201010584071 A CN201010584071 A CN 201010584071A CN 102154656 A CN102154656 A CN 102154656A
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- Prior art keywords
- tank
- tanks
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- level
- water groove
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000002708 enhancing effect Effects 0.000 title abstract 2
- 239000002253 acid Substances 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 15
- 238000005507 spraying Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000576 coating method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000002203 pretreatment Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The embodiment of the invention discloses a method for enhancing the surface glossiness of a can cap. The method comprises the following steps of: cleaning a first-stage water groove, a second-stage water groove, a third-stage water groove, a fourth-stage water groove, a fifth-stage water groove, a sixth-stage water groove, a seventh-stage water groove and an eighth-stage water groove and adjusting the spraying direction corresponding to each stage of water groove until an angle of 45 degrees is formed between the spraying direction and the direction of a belt material; preparing acid liquor and alkaline liquor and setting the range of free acid in the first-stage water groove at 12-16 points, the range of total acid at 0-40 points and the fluorinion concentration at 15-20 ppm; setting the range of free acid in the fourth-stage water groove at 10-14 points, the range of total acid at 0-40 points and the fluorinion concentration at 20-25 ppm; setting the range of free acid in the fifth-stage water groove at 10-14 points, the range of total acid at 0-40 points and the fluorinion concentration at 20-25 ppm; injecting clear water into the second-stage water groove, the third-stage water groove, the sixth-stage water groove, the seventh-stage water groove and the eighth-stage water groove; and heating solutions in the first-stage water groove, the second-stage water groove, the third-stage water groove, the fourth-stage water groove, the fifth-stage water groove, the sixth-stage water groove, the seventh-stage water groove and the eighth-stage water groove to 50-60 DEG C.
Description
Technical field
The present invention relates to cold-rolling process and make the field, more particularly, relate to a kind of method that improves the cover surface gloss.
Background technology
The production of cover material is based on DOS cover material, and the DOS material belongs to pre-treatment band category, and user's ripple carries out the sheet material coating after being cut into sheet material again.The operation of sheet material coating process is many, and used coating is the long-time baking-type of low temperature, and is high to the surface treatment requirement of aluminium.Wherein, the effect of DOS in cover tablet material coating: the one, its provide protection prevents the strip surface oxidation.Because transportation and storage time are long, the aluminium through pre-treatment requires to use at 48 hours in principle, otherwise the easy oxidation of aluminium material surface influences the sticking power of filming with band; The 2nd, play certain lubrication.Because DOS material complete processing is long, the band work in-process is easy to generate scuffing, and DOS belongs to the ester class, and certain lubrication is arranged, and prevents band work in-process injured surface, and it is easier to help stamping sheet simultaneously or inhale sheet, enhances productivity; The 3rd, combine certain softening agent effect with coating, but too much can influence printing and film adhesive.
At present, cover DOS product surface mainly is to clean the purpose that reaches degreasing, deoils by the coating pretreatment section.Its main technique mainly comprises: uncoiling-stitching-one-level pickling-two, three grade washing-level Four pickling-Pyatyi pickling-six, seven, eight grade washing-chemical coating-two-sided DOS coating-dry-batch.Because adopt above-mentioned technology base material cleaning process not thorough to the base material cleaning, so the DOS product surface that final production goes out turns black, obfuscation, glossiness is not high.
Summary of the invention
In view of this, the invention provides a kind of method that improves the cover surface gloss,, solve the technical problem that DOS product surface glossiness is not high, shade in the surface by optimizing the pretreatment section cleaning.
For achieving the above object, the invention provides following technical scheme:
A kind of method that improves the cover surface gloss comprises:
Steps A: cleaning one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and eight grades of tanks, adjust the pairing spray direction of tanks at different levels, make described spray and band angle that direction is be 45 °;
Step B: preparation acid solution and alkali lye, make that free acid range is the 12-16 point in the one-level tank, total acid range is the 0-40 point, fluorinion concentration is 15-20ppm; Make that free acid range is the 10-14 point in the level Four tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm; Make that free acid range is the 10-14 point in the Pyatyi tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm;
Step C: inject clear water at secondary tank, three grades of tanks, six grades of tanks, seven grades of tanks and eight grades of tanks;
Step D: the solution in heating one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and the eight grades of tanks is to 50-60 ℃.
Preferably, in the method for above-mentioned raising cover surface gloss, described steps A is specially: clean described tank at different levels, pipeline and spray bar, adjust the pairing spray direction of tanks at different levels, make described spray and angle that band is be 45 °; And in tanks at different levels, inject clean water, and supply valve is communicated with corresponding spray valve, start working barrels at different levels, wash described tank at different levels and check nozzle.
Preferably, in the method for above-mentioned raising cover surface gloss, described step B is specially: open pairing valve on one-level tank, level Four tank and the Pyatyi tank that is used for acid, when the configuration acid solution, close corresponding alkali groove valve, open corresponding acid tank valve; During preparation alkali lye, open alkali groove valve, close corresponding sour valve.
Preferably, in the method for above-mentioned raising cover surface gloss, described clear water adds to the highest liquid level of described secondary tank, three grades of tanks, six grades of tanks, seven grades of tanks and eight grades of tanks.
Preferably, in the method for above-mentioned raising cover surface gloss, described step D is specially: the steam heater in the described tanks at different levels is not had by water logging, opens steam valve, the temperature that the water in the described tanks at different levels and solution are heated to setting.
Preferably, in the method for above-mentioned raising cover surface gloss, described spray is the pipeline spray.
Preferably, in the method for above-mentioned raising cover surface gloss, described unlatching is used on one-level tank, level Four tank and the Pyatyi tank of acid pairing valve and opened every 5 minutes.
From technique scheme as can be seen, pass through to optimize the parameter in cleaning and the tank in the embodiment of the invention, can improve the band cleaning quality, this technical scheme does not need increase equipment and detecting instrument under the working condition of original production process, less investment, cost is low, and operation is convenient in the production scene, and producers do not need to increase the operation bidirectional step yet.
Description of drawings
A kind of method flow diagram that improve cover surface gloss of Fig. 1 for providing in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The invention provides a kind of method that improves the cover surface gloss,, solve the technical problem that DOS product surface glossiness is not high, shade in the surface by optimizing the pretreatment section cleaning.
For achieving the above object, the invention provides following technical scheme:
A kind of method that improves the cover surface gloss comprises:
Step S101: cleaning one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and eight grades of tanks, adjust the pairing spray direction of tanks at different levels, make described spray and band angle that direction is be 45 °;
Clean described tank at different levels, pipeline and spray bar, adjust the pairing spray direction of tanks at different levels, make described spray and angle that band is be 45 °; And in tanks at different levels, inject clean water, and supply valve is communicated with corresponding spray valve, start working barrels at different levels, wash described tank at different levels and check nozzle.Can spray and can also spray by water pipe by nozzle during spray, adopt water pipe spray mode in embodiments of the present invention, the water pipe spray cleans easily, is difficult for stopping up and dropping, and makes the surface gloss of band higher, does not grow dim.
Step S201: preparation acid solution and alkali lye, make that free acid range is the 12-16 point in the one-level tank, total acid range is the 0-40 point, fluorinion concentration is 15-20ppm; Make that free acid range is the 10-14 point in the level Four tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm; Make that free acid range is the 10-14 point in the Pyatyi tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm;
Unlatching is used for pairing valve on sour one-level tank, level Four tank and the Pyatyi tank, when the configuration acid solution, closes corresponding alkali groove valve, opens corresponding acid tank valve; During preparation alkali lye, open alkali groove valve, close corresponding sour valve.
One-level tank, level Four tank and Pyatyi tank use acid of the same race or alkali, when if the alkali slot part can't come into operation for some reason in one-level tank, level Four tank and the Pyatyi tank, can prepare alkali lye with corresponding acid tank, but when the part of the acid tank in one-level tank, level Four tank and the Pyatyi tank can't come into operation for some reason, can not replace acid tank with corresponding alkali groove.When configuration solution, water is added to from the about 100mm of overflow port place, adds the concentration that acid or alkali reach regulation again.
Therefore acid strength can reduce in cleaning process, in order to guarantee that acid strength maintains in the specified range in the solution, has increased the interpolation number of times of acid solution, adds 5 minutes at every turn, and concentration is more even like this, the no striped in surface, and glossiness is higher.
Step S301: inject clear water at secondary tank, three grades of tanks, six grades of tanks, seven grades of tanks and eight grades of tanks;
In order to guarantee that water is abundant in the above-mentioned tank, when water filling, be added to the highest liquid level place.
Step S401: the solution in heating one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and the eight grades of tanks is to 50-60 ℃.
Steam heater in the tanks at different levels is not had by water logging, opens steam valve, the temperature that the water in the described tanks at different levels and solution are heated to setting.
The pre-treatment worker is transferred to the electric conductivity controller in the fluorion in the acid tank/electric conductivity controller or the alkali groove manually or control automatically, tank liquor concentration is controlled in the scope of processing requirement.Under auto state, control the concentration of acid tank or alkali groove automatically by the set(ting)value on the Eurotherm818 controller; In the time of can not controlling automatically, the pre-treatment worker should be controlled at tank liquor concentration in the scope of processing requirement according to laboratory personnel's detected result.
Increase the pressure of squeezing roller in extracting technology, make surperficial water squeezing better effects if, not residual water smoke does not grow dim;
Increase squeezing roller and change the frequency, make squeezing roller surface zero defect, no striped;
The squeezing roller material is optimized: at present, the squeezing roller material is poor, hardness is low, easily scratch surface produces striped, grows dim in the surface, causes duration of service short, in view of the squeezing roller problem, link up with how tame squeezing roller manufacturers and consult, determine that the squeezing roller material is a Polyurethane, hardness is brought up to 60 degree and 65 and is spent and manufacture experimently.Through trial-production repeatedly, determine that finally Wan Li producer provides squeezing roller for our factory, the every performance of the squeezing roller of this factory can meet the demands substantially.
From technique scheme as can be seen, pass through to optimize the parameter in cleaning and the tank in the embodiment of the invention, can improve the band cleaning quality, this technical scheme does not need increase equipment and detecting instrument under the working condition of original production process, less investment, cost is low, and operation is convenient in the production scene, and producers do not need to increase the operation bidirectional step yet.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a method that improves the cover surface gloss is characterized in that, comprising:
Steps A: cleaning one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and eight grades of tanks, adjust the pairing spray direction of tanks at different levels, make described spray and band angle that direction is be 45 °;
Step B: preparation acid solution and alkali lye, make that free acid range is the 12-16 point in the one-level tank, total acid range is the 0-40 point, fluorinion concentration is 15-20ppm; Make that free acid range is the 10-14 point in the level Four tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm; Make that free acid range is the 10-14 point in the Pyatyi tank, total acid range is the 0-40 point, and fluorinion concentration is 20-25ppm;
Step C: inject clear water at secondary tank, three grades of tanks, six grades of tanks, seven grades of tanks and eight grades of tanks;
Step D: the solution in heating one-level tank, secondary tank, three grades of tanks, level Four tank, Pyatyi tank, six grades of tanks, seven grades of tanks and the eight grades of tanks is to 50-60 ℃.
2. the method for raising cover surface gloss according to claim 1, it is characterized in that, described steps A is specially: clean described tank at different levels, pipeline and spray bar, adjust the pairing spray direction of tanks at different levels, make described spray and angle that band is be 45 °; And in tanks at different levels, inject clean water, and supply valve is communicated with corresponding spray valve, start working barrels at different levels, wash described tank at different levels and check nozzle.
3. the method for raising cover surface gloss according to claim 1, it is characterized in that, described step B is specially: open pairing valve on one-level tank, level Four tank and the Pyatyi tank that is used for acid, when the configuration acid solution, close corresponding alkali groove valve, open corresponding acid tank valve; During preparation alkali lye, open alkali groove valve, close corresponding sour valve.
4. the method for raising cover surface gloss according to claim 1 is characterized in that, described clear water adds to the highest liquid level of described secondary tank, three grades of tanks, six grades of tanks, seven grades of tanks and eight grades of tanks.
5. the method for raising cover surface gloss according to claim 1, it is characterized in that, described step D is specially: the steam heater in the described tanks at different levels is not had by water logging, opens steam valve, and water in the described tanks at different levels and solution are heated to 50-60 ℃.
6. the method for raising cover surface gloss according to claim 1 and 2 is characterized in that, described spray is the pipeline spray.
7. the method for raising cover surface gloss according to claim 3 is characterized in that, described unlatching is used on one-level tank, level Four tank and the Pyatyi tank of acid pairing valve and opened every 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010584071 CN102154656A (en) | 2010-12-10 | 2010-12-10 | Method for enhancing surface glossiness of can cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010584071 CN102154656A (en) | 2010-12-10 | 2010-12-10 | Method for enhancing surface glossiness of can cap |
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| CN102154656A true CN102154656A (en) | 2011-08-17 |
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|---|---|---|---|
| CN 201010584071 Pending CN102154656A (en) | 2010-12-10 | 2010-12-10 | Method for enhancing surface glossiness of can cap |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100560800C (en) * | 2005-11-23 | 2009-11-18 | 熊映明 | Bright acid etching technology for aluminium alloy |
| CN101676439A (en) * | 2008-09-18 | 2010-03-24 | 浙江帝龙新材料股份有限公司 | Aluminum strip continuous anodic oxidation automatic production line |
-
2010
- 2010-12-10 CN CN 201010584071 patent/CN102154656A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100560800C (en) * | 2005-11-23 | 2009-11-18 | 熊映明 | Bright acid etching technology for aluminium alloy |
| CN101676439A (en) * | 2008-09-18 | 2010-03-24 | 浙江帝龙新材料股份有限公司 | Aluminum strip continuous anodic oxidation automatic production line |
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Application publication date: 20110817 |