CN102114458B - On-line detection control system and control method thereof for powder coating thickness - Google Patents
On-line detection control system and control method thereof for powder coating thickness Download PDFInfo
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- CN102114458B CN102114458B CN201110040393.5A CN201110040393A CN102114458B CN 102114458 B CN102114458 B CN 102114458B CN 201110040393 A CN201110040393 A CN 201110040393A CN 102114458 B CN102114458 B CN 102114458B
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Abstract
The invention relates to an on-line detection control system and control method thereof for powder coating thickness. The on-line detection control system comprises a programmable logic controller (PLC) characterized by being conducted with an optical fiber sensor; when an empty can enters a detection area and the optical fiber sensor detects the empty can, the PLC enables a laser sensor and a laser signal amplifier to enter an operating mode; when the empty can enters a laser sensor area, the laser sensor sends laser signals for detecting the coating thickness of the empty can; when the empty can is qualified after detection, the qualified empty can directly enters the next process for baking; and when the empty can is disqualified after detection, the laser signal amplifier outputs disqualification signals to the PLC, the PLC outputs stop signals to a host machine to stop feeding, and simultaneously an actuating mechanism delivers the disqualified empty can to a rejection collecting area. The on-line detection control system provided by the invention can detect empty cans with thin powder, local missed coating and no powder coating on line, and accurately discharge the disqualified empty cans, thus greatly improving the production efficiency.
Description
Technical field
The present invention relates to a kind of slack tank soldering joint powder spraying thickness online detection and control system and control method thereof.
Background technology
After slack tank welding, welded seam need to be carried out powder spray, and powdery coating is solidified through high-temperature baking levelling, becomes final coating; Tank body after powder spray is corrosion-resistant, ageing-resistant, and cost is lower; But in powder spray operation, partially thin, the local drain spray painting of the dusty spray there will be and the slack tank without powder spray, manually cannot choose, and causes serious product quality problem.
Summary of the invention
The object of the present invention is to provide a kind of slack tank soldering joint powder spraying thickness online detection and control system and control method thereof, this slack tank soldering joint powder spraying thickness online detection and control system is simple in structure, this slack tank soldering joint powder spraying thickness online detection and control method can detect partially thin, the local drain spray painting of powder and the slack tank without powder spray online, and defective slack tank is accurately discharged, result of use is good, can greatly enhance productivity.
To achieve these goals, technical scheme of the present invention is: a kind of slack tank soldering joint powder spraying thickness online detection and control system, comprise Programmable Logic Controller PLC, it is characterized in that: also comprise Fibre Optical Sensor, laser sensor and laser signal amplifier, described laser sensor is capable of regulating laser beam size with to slack tank coating width, the adjustable miniature laser sensor that thickness detects, described PLC is connected to the Fibre Optical Sensor for surveying slack tank, described PLC controls laser sensor and sends the laser signal that detects slack tank coating layer thickness, described PLC is connected to the laser signal amplifier for laser signal contrast, described laser signal amplifier output comparing result is to PLC, described PLC controls executing agency defective slack tank is got rid of outside production line, described executing agency is air blowing executing agency, defective slack tank is blown out production line by described air blowing executing agency, be blown into defective products collecting region, the feeding of described PLC main control system.
The present invention also provides a kind of corresponding slack tank soldering joint powder spraying thickness online detection and control method, comprise PLC, it is characterized in that: described PLC conducting Fibre Optical Sensor, when slack tank enters detection zone, when described Fibre Optical Sensor detects slack tank, described PLC makes laser sensor and laser signal amplifier enter duty, and described laser sensor is the adjustable miniature laser sensor of capable of regulating laser beam size so that slack tank coating width, thickness are detected; In the time that slack tank enters laser sensor district, described laser sensor sends laser signal, so that slack tank coating layer thickness is detected; When detecting slack tank while being qualified, qualified slack tank directly enters next process and dries; When detecting slack tank while being defective, described laser signal amplifier is exported defective signal to PLC, described PLC output stop signal to main frame to stop feeding, defective slack tank is delivered to defective products collecting region by executing agency simultaneously, described executing agency is air blowing executing agency, and described air blowing executing agency blows out defective slack tank production line, is blown into defective products collecting region.
The present invention has the following advantages: (1) this slack tank soldering joint powder spraying thickness online detection and control system is simple in structure, and result of use is good; (2) adopt adjustable miniature laser sensor, capable of regulating laser beam size detects coating width, thickness; (3) this slack tank soldering joint powder spraying thickness online detection and control method can detect partially thin, the local drain spray painting of powder or the slack tank without powder spray online, and defective slack tank is accurately discharged to production line; (3) greatly reduce labour intensity, enhance productivity, reduce the wastage.
Brief description of the drawings
Fig. 1 is the system block diagram of the embodiment of the present invention.
Fig. 2 is the workflow diagram of the embodiment of the present invention.
Detailed description of the invention
With reference to figure 1, a kind of slack tank soldering joint powder spraying thickness online detection and control system, comprise PLC, it is characterized in that: also comprise Fibre Optical Sensor, laser sensor and laser signal amplifier, described PLC is connected to the Fibre Optical Sensor for surveying slack tank, described PLC controls laser sensor and sends the laser signal that detects slack tank coating layer thickness, described PLC is connected to the laser signal amplifier for laser signal contrast, described laser signal amplifier output comparing result is to PLC, described PLC controls executing agency defective slack tank is got rid of outside production line, the feeding of described PLC main control system.
Above-mentioned laser sensor is the adjustable miniature laser sensor of capable of regulating laser beam size.
With reference to figure 2, the present invention also provides a kind of corresponding slack tank soldering joint powder spraying thickness online detection and control method, comprise PLC, it is characterized in that: described PLC conducting Fibre Optical Sensor, when slack tank enters detection zone, when described Fibre Optical Sensor detects slack tank, described PLC makes laser sensor and laser signal amplifier enter duty; In the time that slack tank enters laser sensor district, described laser sensor sends laser signal, so that slack tank coating layer thickness is detected; In the time that detection slack tank is qualified (OK), qualified slack tank directly enters next process and dries; In the time that detection slack tank is defective (NG), described laser signal amplifier is exported defective signal to PLC, described PLC output stop signal is to main frame to stop feeding, and defective slack tank is delivered to defective products collecting region by executing agency simultaneously, so continual work that moves in circles.
Above-mentioned executing agency is air blowing executing agency, and defective slack tank is blown out production line by described air blowing executing agency, and defective slack tank is blown into defective products collecting region.
Above-mentioned laser sensor is the adjustable miniature laser sensor of capable of regulating laser beam size.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. a slack tank soldering joint powder spraying thickness online detection and control method, it is characterized in that: adopt slack tank soldering joint powder spraying thickness online detection and control system, this system comprises PLC, Fibre Optical Sensor, laser sensor and laser signal amplifier, described laser sensor is capable of regulating laser beam size with to slack tank coating width, the adjustable miniature laser sensor that thickness detects, described PLC is connected to the Fibre Optical Sensor for surveying slack tank, described PLC controls laser sensor and sends the laser signal that detects slack tank coating layer thickness, described PLC is connected to the laser signal amplifier for laser signal contrast, described laser signal amplifier output comparing result is to PLC, described PLC controls executing agency defective slack tank is got rid of outside production line, described executing agency is air blowing executing agency, the feeding of described PLC main control system, when production, described PLC conducting Fibre Optical Sensor, when slack tank enters detection zone, when described Fibre Optical Sensor detects slack tank, described PLC makes adjustable miniature laser sensor and laser signal amplifier enter duty, in the time that slack tank enters laser sensor district, described adjustable miniature laser sensor sends laser signal, so that slack tank coating layer thickness is detected, when detecting slack tank while being qualified, qualified slack tank directly enters next process and dries, when detecting slack tank while being defective, described laser signal amplifier is exported defective signal to PLC, and described PLC output stop signal is to main frame to stop feeding, and the executing agency of simultaneously blowing blows out defective slack tank production line, is blown into defective products collecting region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110040393.5A CN102114458B (en) | 2011-02-18 | 2011-02-18 | On-line detection control system and control method thereof for powder coating thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110040393.5A CN102114458B (en) | 2011-02-18 | 2011-02-18 | On-line detection control system and control method thereof for powder coating thickness |
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| Publication Number | Publication Date |
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| CN102114458A CN102114458A (en) | 2011-07-06 |
| CN102114458B true CN102114458B (en) | 2014-10-15 |
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| CN201110040393.5A Active CN102114458B (en) | 2011-02-18 | 2011-02-18 | On-line detection control system and control method thereof for powder coating thickness |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104615155A (en) * | 2015-02-13 | 2015-05-13 | 北京京诚之星科技开发有限公司 | Automatic control system for thickness of powder coating |
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| CN1088489A (en) * | 1992-12-24 | 1994-06-29 | 埃尔帕特朗尼股份公司 | The coating process of can seam and device thereof |
| CN1133777A (en) * | 1994-08-04 | 1996-10-23 | 克鲁伯赫舒特克纳公开股份有限公司 | Pipe fitting coating equipment for welded longitudinal seam pipe fitting outer coating |
| CN1207493A (en) * | 1998-09-04 | 1999-02-10 | 清华大学 | Method and apparatus for non-contact measuring thickness of non-metal coating on surface of metal matrix |
| EP2031347A1 (en) * | 2007-08-31 | 2009-03-04 | United Technologies Corporation | Method and apparatus for measuring coating thickness with a laser |
| CN201579181U (en) * | 2009-11-17 | 2010-09-15 | 名硕电脑(苏州)有限公司 | Holiday prevention device and coating system applying same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136922A (en) * | 1998-11-04 | 2000-05-16 | Kubota Corp | Inspection apparatus for coating thickness |
| KR100610857B1 (en) * | 2004-06-30 | 2006-08-08 | 현대자동차주식회사 | Inspecting system of sealant application condition for glass of vehicle |
| WO2010135768A1 (en) * | 2009-05-26 | 2010-12-02 | Udo Wolfgang Bucher | Methods and instruments for measurement of paint sample characteristics |
| CN101575017B (en) * | 2009-06-11 | 2011-05-04 | 范自鲁 | Novel automatic ice cream stick separating and bundling integral machine |
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2011
- 2011-02-18 CN CN201110040393.5A patent/CN102114458B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088489A (en) * | 1992-12-24 | 1994-06-29 | 埃尔帕特朗尼股份公司 | The coating process of can seam and device thereof |
| CN1133777A (en) * | 1994-08-04 | 1996-10-23 | 克鲁伯赫舒特克纳公开股份有限公司 | Pipe fitting coating equipment for welded longitudinal seam pipe fitting outer coating |
| CN1207493A (en) * | 1998-09-04 | 1999-02-10 | 清华大学 | Method and apparatus for non-contact measuring thickness of non-metal coating on surface of metal matrix |
| EP2031347A1 (en) * | 2007-08-31 | 2009-03-04 | United Technologies Corporation | Method and apparatus for measuring coating thickness with a laser |
| CN201579181U (en) * | 2009-11-17 | 2010-09-15 | 名硕电脑(苏州)有限公司 | Holiday prevention device and coating system applying same |
Non-Patent Citations (1)
| Title |
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| JP特开2000-136922A 2000.05.16 |
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| CN102114458A (en) | 2011-07-06 |
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