CN103743754A - Base material instant identification method and equipment of aluminum profile post-surfacing welding line defects - Google Patents
Base material instant identification method and equipment of aluminum profile post-surfacing welding line defects Download PDFInfo
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- CN103743754A CN103743754A CN201410037293.0A CN201410037293A CN103743754A CN 103743754 A CN103743754 A CN 103743754A CN 201410037293 A CN201410037293 A CN 201410037293A CN 103743754 A CN103743754 A CN 103743754A
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Abstract
The invention discloses a base material instant identification method and equipment of aluminum profile post-surfacing welding line defects. The method comprises the following steps of: sampling, sample processing, sample cleaning, and judging, wherein the sampling step refers to taking a section of an aluminum profile on a production line as a sample, the sample processing step refers to putting the sample in a sodium hydroxide solution of which the concentration is 60-70% and the temperature is 80-100 DEG C and continuously soaking for more than 1 minute, the sample cleaning step refers to taking the soaked sample out of the sodium hydroxide solution, and washing the sample cleanly by water, and the judging step refers to carrying out chromatic difference analysis on the sample which is washed cleanly, if a surface color difference value of the sample is greater than or equal to 3%, the aluminum profile post-surfacing welding line has defects, and if the surface color difference value of the sample is less than 3%, the aluminum profile post-surfacing welding line does not have defects. The base material instant identification method disclosed by the invention has the advantage that the aluminum profile post-surfacing welding line defects can be fast identified without carrying out sand polishing and an anodic oxidation treatment on aluminum profile base materials.
Description
Technical field
The present invention relates to the base material of seam line defect behind aluminium section bar table place and immediately identify field, the particularly instant authentication method of base material and the device of seam line defect behind a kind of aluminium section bar table place.
Background technology
Heavy in section aluminium section bar is if the curtain wall supervisors such as 110,120,140,150 are due to the existence of various labile factors, in frosted, after anodic oxidation, often in the position of section bar seam, there is black line defect, this kind of defect base material can not be found, generally after anodized, could identify, but this evaluation mode length consuming time, and cost of idleness, is unfavorable for promptness production.
Summary of the invention
For above-mentioned technical matters, the invention provides that a kind of method is simple, aluminium section bar base material does not need through surface treatments such as frosted, anodic oxidations, just can Rapid identification aluminium section bar table place after the instant authentication method of base material and the device of seam line defect.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: behind a kind of aluminium section bar table place, the instant authentication method of base material of seam line defect comprises sampling procedure---sample preparation step---sample cleaning step---determination step:
Described sampling procedure is got one section of aluminium section bar as sample on production line:
It is the sodium hydroxide solution of 60-70%, temperature 80-100 ℃ that described sample preparation step is put into concentration by sample, continues to soak more than 1 minute:
Described sample cleaning step takes out the sample of immersion from sodium hydroxide solution, and samples with water is rinsed well;
Described determination step carries out color difference analysis by the sample of rinsing well, by seam line behind color difference analysis aluminium section bar table place, whether has defect.
Further, behind a kind of aluminium section bar table place, the instant authentication method of base material of seam line defect also comprises drying steps:
Described drying steps comprises air-dry the sample through sample cleaning step or dry.
Further, in determination step, to be more than or equal to 3% be that behind aluminium section bar table place, seam line exists defect to sample surfaces value of chromatism, and it is that behind aluminium section bar table place, seam line does not exist defect that sample surfaces value of chromatism is less than 3%.
Behind a kind of aluminium section bar table place, the instant identification apparatus of base material of seam line defect comprises take out device, conveyer, alkaline etching treating apparatus, cleaning device, optics imaging instrument;
Take out device comprises timing driver, cutter, and described timing driver and cutter are electrically connected, timing driver drives cutter cuts aluminium section bar;
Conveyer comprises dispenser, conveyer, and dispenser is positioned over the aluminium section bar of cutter cuts on conveyer;
Alkaline etching treating apparatus comprises the reaction warehouse of splendid attire sodium hydroxide solution, and cleaning device comprises cleaning storehouse and is located at the water-flushing device in described cleaning storehouse;
Optics imaging instrument comprises optics punctograph, display, optics punctograph, and optics punctograph and display are electrically connected;
Conveyer is successively through alkaline etching treating apparatus reaction warehouse, cleaning storehouse, optics punctograph.
Further, behind a kind of aluminium section bar table place, the instant identification apparatus of base material of seam line defect also comprises that drying device comprises dryness storehouse and is fixed on the fan heater on described dryness storehouse inwall;
Optics punctograph is arranged in dryness storehouse, and conveyer is successively through alkaline etching treating apparatus reaction warehouse, cleaning storehouse, dryness storehouse.
Further, dispenser comprises the push rod being driven by the first drive unit.
Further, conveyer comprises the conveying belt being driven by the second drive unit and is fixed on the lock chamber of conveying belt, and the described dispenser just aluminium section bar of cutter cuts is positioned in lock chamber.
All right, optics imaging instrument also comprises aberration recognizer, and described aberration recognizer and optics punctograph are electrically connected, and aberration recognizer receives the picture of optics punctograph and picture is carried out to digitized processing.
Feature of the present invention is, after aluminium section bar does not need to adopt the table place techniques such as frosted, anodic oxidation can carry out aluminium section bar table place, seam line defect is identified, it is that the sodium hydroxide solution of 60-70%, temperature 80-100 ℃ reacts more than 1 minute that aluminium section bar is directly put into concentration, taking out aluminium section bar rinses again, after can judging aluminium section bar table place, whether seam line there is defect, whole process does not need five minutes, and traditional frosted, anodized at least need 20 minutes.The scene that can meet extruded aluminium section production is judged in time, shortens the production cycle, improves base material qualification rate.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Accompanying drawing 1 is the instant identification apparatus first example structure schematic diagram of base material of seam line defect behind aluminium section bar table of the present invention place.
Accompanying drawing 2 is the instant identification apparatus second example structure schematic diagram of base material of seam line defect behind aluminium section bar table of the present invention place.
In figure: take out device 1, conveyer 2, alkaline etching treating apparatus 3, drying device 4, optics imaging instrument 5, cleaning device 6, driver 101, cutter 102, dispenser 201, conveyer 202, dryness storehouse 401, fan heater 402, optics punctograph 501, display 502, cleaning storehouse 601, water-flushing device 602.
Embodiment
The instant authentication method of base material of seam line defect behind aluminium section bar table place, comprises sampling procedure---sample preparation step---sample cleaning step---determination step:
Described sampling procedure is got behind a segment table place aluminium section bar as sample on production line:
Described sample preparation step by sample put into that concentration is 60%, the sodium hydroxide solution of 90 ℃ of temperature, continue to soak more than 1 minute:
Described sample cleaning step takes out the sample of immersion from sodium hydroxide solution, and samples with water is rinsed well;
Described determination step carries out color difference analysis by the sample of rinsing well, sample surfaces value of chromatism is more than or equal to 3%(image is carried out to gray scale processing, maximum colours value M is deducted to minimum color-values N and obtain difference X, difference X obtains value of chromatism than upper minimum color-values N) be that behind aluminium section bar table place, seam line exists defect, it is that behind aluminium section bar table place, seam line does not exist defect that sample surfaces value of chromatism is less than 3%.
A preferred version for the instant authentication method of base material of seam line defect behind aluminium section bar table place, comprises sampling procedure---sample preparation step---and sample cleaning step---drying steps---determination step is dry:
Described sampling procedure is got behind a segment table place aluminium section bar as sample on production line:
Described sample preparation step by sample put into that concentration is 70%, the sodium hydroxide solution of 100 ℃ of temperature, continue to soak more than 1 minute:
Described sample cleaning step takes out the sample of immersion from sodium hydroxide solution, and samples with water is rinsed well;
Described drying steps comprises air-dry the sample through sample cleaning step or dry;
Described determination step carries out color difference analysis by the sample of rinsing well, and it is that behind aluminium section bar table place, seam line exists defect that sample surfaces value of chromatism is more than or equal to 3%, and it is that behind aluminium section bar table place, seam line does not exist defect that sample surfaces value of chromatism is less than 3%.
In Fig. 1, the instant identification apparatus of base material of seam line defect behind a kind of aluminium section bar table place, comprises take out device 1, conveyer 2, alkaline etching treating apparatus 3, cleaning device 6, optics imaging instrument 5;
Take out device 1 comprises timing driver 101, cutter 102, and described timing driver 101 is electrically connected with cutter 102, and timing driver 101 drives cutter 102 to cut aluminium section bar;
Conveyer 2 comprises dispenser 201, conveyer 202, dispenser 201 comprises the push rod being driven by the first drive unit, conveyer 202 comprises the conveying belt being driven by the second drive unit and is fixed on the lock chamber of conveying belt, the push rod rectilinear motion of returning that the first drive unit drives, cutter 102 cuts after aluminium section bar, and push rod is pushed to cutting aluminium section bar in the lock chamber of conveyer 202;
Alkaline etching treating apparatus 3 comprises the reaction warehouse of splendid attire sodium hydroxide solution, and cleaning device 6 comprises cleaning storehouse 601 and is located at the water-flushing device 602 in described cleaning storehouse 601;
Optics imaging instrument 5 comprises optics punctograph 501, display 502, optics punctograph 501, and optics punctograph 501 is electrically connected with display 502;
The conveying belt of conveyer 202 is successively through alkaline etching treating apparatus 3 reaction warehouses, cleaning storehouse 601, optics punctograph 501.
As Fig. 2, the instant identification apparatus of base material of seam line defect behind a kind of aluminium section bar table place, comprises take out device 1, conveyer 2, alkaline etching treating apparatus 3, drying device 4, cleaning device 6, optics imaging instrument 5;
Take out device 1 comprises timing driver 101, cutter 102, and described timing driver 101 is electrically connected with cutter 102, and timing driver 101 drives cutter 102 to cut aluminium section bar;
Conveyer 2 comprises dispenser 201, conveyer 202, dispenser 201 comprises the push rod being driven by the first drive unit, conveyer 202 comprises the conveying belt being driven by the second drive unit and is fixed on the lock chamber of conveying belt, the push rod rectilinear motion of returning that the first drive unit drives, cutter 102 cuts after aluminium section bar, and push rod is pushed to cutting aluminium section bar in the lock chamber of conveyer 202;
Alkaline etching treating apparatus 3 comprises the reaction warehouse of splendid attire sodium hydroxide solution, and cleaning device 6 comprises cleaning storehouse 601 and is located at the water-flushing device 602 in described cleaning storehouse 601;
Drying device 4 comprises dryness storehouse 401 and is fixed on the fan heater 402 on described dryness storehouse 401 inwalls;
Optics imaging instrument 5 comprises optics punctograph 501, display 502, aberration recognizer, optics punctograph 501, optics punctograph 501 is electrically connected with display 502, aberration recognizer and optics punctograph 501 are electrically connected, and aberration recognizer receives the picture of optics punctograph 501 and picture is carried out to digitized processing;
Principle of work: cut 20 centimetres of left and right samples (employing manually starts cutter 102 or starts cutter 102 by timing driver 101) with cutter 102 on the aluminium section bar of just extrusion modling, dispenser 201 is put into conveyer 202 by sample, and by conveyer 202, sample to be sent into concentration be 60-70%, temperature is to react in the sodium hydroxide solution of 80-100 ℃, duration of the reaction is more than 1 minute, after taking-up, with clear water, rinse well or with clear water, rinse well rear with gas dry (using cloth to wipe with clean) sample, check again (adopting human eye directly observe sample or with optics punctograph 501, sample taken pictures and be presented at display 502 and observe sample) sample aluminium shape surface, if there is white stria or point and scratch line-transect trace or black stria (value of chromatism exceedes 3%) in large edge of aluminium section bar, behind this aluminium section bar table place, there will be seam black line, can not do the oxidation material of aluminium section bar, if there is not white stria or point and scratch line-transect trace or black stria (value of chromatism is less than 3%) in large edge of aluminium section bar, represent can not produce seam black line after aluminium section bar oxidation, in addition, adopt aberration recognizer to carry out color difference analysis to the picture of 501 photographs of optics punctograph, can more accurate instant evaluation.
Structure in this example is only for for the illustrating and explaining of claim, so that popular reading comprehension should not be considered as the restriction for claim, scope and legal equivalent feature that protection scope of the present invention should be recorded with claim be as the criterion.
Claims (8)
1. the instant authentication method of base material of seam line defect behind aluminium section bar table place, is characterized in that: described method comprises sampling procedure---sample preparation step---sample cleaning step---determination step:
Described sampling procedure is got one section of aluminium section bar as sample on production line:
It is the sodium hydroxide solution of 60-70%, temperature 80-100 ℃ that described sample preparation step is put into concentration by sample, continues to soak more than 1 minute:
Described sample cleaning step takes out the sample of immersion from sodium hydroxide solution, and samples with water is rinsed well;
Described determination step carries out color difference analysis by the sample of rinsing well, by seam line behind color difference analysis aluminium section bar table place, whether has defect.
2. the instant authentication method of base material of seam line defect behind a kind of aluminium section bar table according to claim 1 place, is characterized in that: described method also comprises drying steps:
Described drying steps comprises air-dry the sample through sample cleaning step or dry.
3. the instant authentication method of base material of seam line defect behind a kind of aluminium section bar table according to claim 1 place, it is characterized in that: in described determination step, to be more than or equal to 3% be that behind aluminium section bar table place, seam line exists defect to sample surfaces value of chromatism, and it is that behind aluminium section bar table place, seam line does not exist defect that sample surfaces value of chromatism is less than 3%.
4. with an identification apparatus for the instant authentication method of base material of seam line defect behind fortune a kind of aluminium section bar table claimed in claim 1 place, it is characterized in that: described identification apparatus comprises take out device (1), conveyer (2), alkaline etching treating apparatus (3), cleaning device (6), optics imaging instrument (5);
Described take out device (1) comprises timing driver (101), cutter (102), and described timing driver (101) is electrically connected with cutter (102), and timing driver (101) drives cutter (102) cutting aluminium section bar;
Described conveyer (2) comprises dispenser (201), conveyer (202), and dispenser (201) is positioned over the aluminium section bar of cutter (102) cutting on conveyer (202);
Described alkaline etching treating apparatus (3) comprises the reaction warehouse of splendid attire sodium hydroxide solution, and cleaning device (6) comprises cleaning storehouse (601) and is located at the water-flushing device (602) in described cleaning storehouse (601);
Described optics imaging instrument (5) comprises optics punctograph (501), display (502), optics punctograph (501), and optics punctograph (501) is electrically connected with display (502);
Described conveyer (202) passes through successively alkaline etching treating apparatus (3) reaction warehouse, cleans storehouse (601), optics punctograph (501).
5. the identification apparatus of the instant authentication method of base material of seam line defect behind a kind of aluminium section bar table according to claim 4 place, is characterized in that: described identification apparatus also comprises that drying device (4) comprises dryness storehouse (401) and is fixed on the fan heater (402) on described dryness storehouse (401) inwall;
Optics punctograph (501) is arranged in dryness storehouse (401), and conveyer (202) passes through successively alkaline etching treating apparatus (3) reaction warehouse, cleans storehouse (601), dryness storehouse (401).
6. the instant identification apparatus of base material of seam line defect behind a kind of aluminium section bar table place according to claim 4, is characterized in that: described dispenser (201) comprises the push rod being driven by the first drive unit.
7. the instant identification apparatus of base material of seam line defect behind a kind of aluminium section bar table place according to claim 4, it is characterized in that: described conveyer (202) comprises the conveying belt being driven by the second drive unit and be fixed on the lock chamber of conveying belt, described dispenser (201) the just aluminium section bar of cutter (102) cutting is positioned in lock chamber.
8. the instant identification apparatus of base material of seam line defect behind a kind of aluminium section bar table place according to claim 4, it is characterized in that: described optics imaging instrument (5) also comprises aberration recognizer, described aberration recognizer and optics punctograph (501) are electrically connected, and aberration recognizer receives the picture of optics punctograph (501) and picture is carried out to digitized processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410037293.0A CN103743754B (en) | 2014-01-26 | 2014-01-26 | The instant authentication method of base material of seam line defect and equipment behind a kind of aluminium section bar table place |
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| CN201410037293.0A CN103743754B (en) | 2014-01-26 | 2014-01-26 | The instant authentication method of base material of seam line defect and equipment behind a kind of aluminium section bar table place |
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| CN103743754B CN103743754B (en) | 2016-04-13 |
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Cited By (2)
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| CN111069083A (en) * | 2019-12-12 | 2020-04-28 | 广东和胜工业铝材股份有限公司 | Method for eliminating post-process defects of tail shrinkage and welding of industrial aluminum profile |
| CN116721106A (en) * | 2023-08-11 | 2023-09-08 | 山东明达圣昌铝业集团有限公司 | Profile flaw visual detection method based on image processing |
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| CN116721106B (en) * | 2023-08-11 | 2023-10-20 | 山东明达圣昌铝业集团有限公司 | Profile flaw visual detection method based on image processing |
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| CN103743754B (en) | 2016-04-13 |
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