CN102179354A - Infrared drying equipment for electrostatically sprayed coils - Google Patents
Infrared drying equipment for electrostatically sprayed coils Download PDFInfo
- Publication number
- CN102179354A CN102179354A CN2011101033297A CN201110103329A CN102179354A CN 102179354 A CN102179354 A CN 102179354A CN 2011101033297 A CN2011101033297 A CN 2011101033297A CN 201110103329 A CN201110103329 A CN 201110103329A CN 102179354 A CN102179354 A CN 102179354A
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- infrared
- coiled material
- electrostatic painting
- infrared drying
- baking equipment
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Abstract
The invention provides infrared drying equipment for electrostatically sprayed coils. The infrared drying equipment comprises an uncoiling device, a coiling device, a continuous coil delivery roll, an infrared drying device, an online detection device and a programmable logic control (PLC) control device, wherein an infrared heating pipe is arranged in the infrared drying device, and comprises a quartz tube, molybdenum sheets arranged at two ends of the quartz tube, and a heating wire arranged in the quartz tube. The continuous infrared drying equipment can continuously dry the electrostatically sprayed coils, ensures that the dried electrostatically sprayed layer is uniform, is not peeled and does not fall off, and is suitable for unmanned automatic electrostatic spraying systems.
Description
Technical field
The present invention relates to a kind ofly, more specifically, the present invention relates to a kind of being coated with the equipment that paint material carries out infrared baking to being coated with the equipment that paint material is dried.
Background technology
Applying the paint of insulation or apply anti-corrosion material of paint for protecting group bottom material corrosion at material surface at material surface for the discharge of protecting group bottom material, is the method that those skilled in the art often adopts.
In the prior art, coating paint layer is except traditional manual brushing, impregnating means, following two kinds of main modes have also been developed in recent years, first vacuum pressure impregnation, the operation principle of vacuum pressure impregnation is that impregnating vessel is extracted into certain vacuum, when the pressure of storage in the paint can during, make insulated paint flow into automatically and invade in the paint can greater than impregnating vessel.When insulated paint in impregnating vessel behind the submergence material, by compression system impregnating vessel is pressurized to certain pressure, make insulated paint fully soak into coil, after pressurize a period of time, carry out a pressure release by pressure relief system, be about to impregnating vessel and let out certain pressure, utilize remaining pressure that the insulated paint in the impregnating vessel is pushed back in the storage paint can, and finally finish whole dipping lacquer process.And the operation principle of electrostatic painting is, the paint particles of atomizing is electronegative in dc high voltage electric field, and under the effect of electric field force, paint particles flies to positively charged surface of the work, forms paint film.
Enamelled coating behind the electrostatic painting generally need be dried processing, furnace drying method habitual in the prior art has: hot-air seasoning, by the hot-air that heating produces enamelled coating is dried, but this furnace drying method heat energy utilization rate is low, production efficiency is low, and owing to have low-melting paint component in the air of oven dry, directly discharging can cause problems such as environmental pollution; Another kind of furnace drying method is, the radio frequency oven dry utilizes hydrone to take vigorous exercise under the high-frequency electric field effect, reaches the purpose of oven dry, but the method for this oven dry since material be heated inhomogeneous, and the enamelled coating after causing drying of poor quality, come off easily.
Summary of the invention
The power consumption of electrostatic painting drying unit of the prior art and method is high, of poor quality in order to overcome, the technical problem of contaminated environment, the purpose of this invention is to provide a kind of continuous infrared baking equipment of electrostatic painting coiled material.
The technical solution used in the present invention is: a kind of continuous infrared baking equipment of electrostatic painting coiled material comprises unwinding device, wrap-up, the continuous conveying roller of coiled material, infrared drying device, on-line measuring device and PLC control device; In the infrared drying device wherein infrared ray heating tube is installed, described infrared ray heating tube comprises quartz ampoule, is arranged on the molybdenum sheet at quartz ampoule two ends, is arranged on the heater strip in the quartz ampoule.
Preferably, infrared ray heating tube is coated with infrared-reflecting coated away from a side of coiled material.
Preferably, described infrared-reflecting coated be the mixture of aluminium dioxide and titanium dioxide, and the thickness of described infrared reflection coating is 0.05-0.15mm.
Preferably, the ultrared wavelength that described infrared ray heating tube sends can be regulated according to the input voltage and the electric current of power supply, and its wave-length coverage is 750nm to 1000nm.
Preferably, the speed of described transport tape can be set between 10mm/s and 25mm/s.
Preferably, described on-line measuring device is temperature sensor and/or humidity sensor.
Preferably, described temperature sensor and/or humidity sensor are installed in the inboard of infrared drying device.
Preferably, described temperature sensor and/or humidity sensor are installed near near the coiled material that sprays paint on the transport tape.
Preferably, the top of described infrared drying device or bottom also are provided with humidity-discharging device.
The present invention is by ultrared irradiation, the material of paint that applies is by the infrared ray of continuous absorption different wave length, produce a large amount of heat in unit interval, adopt the infrared baking technology, can be efficiently, evenly, energy-saving and environmental protection, controllably the electrostatic painting coiled material is dried, the automaticity height, and, ultrared wavelength and irradiation power can be set according to actual needs, continuously the electrostatic painting coiled material be dried, electrostatic painting layer after the oven dry evenly and do not have peeling, situation such as come off, be fit to operatorless automation electrostatic painting system.
Description of drawings
Fig. 1 is the outline drawing of the continuous infrared baking equipment of electrostatic painting coiled material of the present invention.
Fig. 2 is the internal structure schematic diagram of infrared drying device of the present invention.
Among the figure:
1-carries the roller of the coiled material that sprays paint;
2-infrared drying device inwall;
The 3-PLC control module;
The 4-temperature sensor;
The 5-humidity sensor;
The 6-exhaust apparatus;
The 7-infrared ray heating tube;
The 8-infrared drying device;
The 9-unwinding device;
The 10-wrap-up.
The specific embodiment
Below in conjunction with drawings and Examples embodiments of the present invention are done to describe further.
Embodiment 1
Embodiments of the invention provide a kind of continuous infrared baking equipment of electrostatic painting coiled material, comprise unwinding device, wrap-up and with tenslator, carry roller, infrared drying device, on-line measuring device and the PLC control device of the coiled material that sprays paint.
Wherein, the coiled material continuous conveyor is horizontally through unwinding device, infrared drying device and wrap-up inside successively, and is positioned at the top of infrared drying device bottom, is parallel to the bottom of infrared drying device; On-line measuring device is installed in infrared drying device inside, detect in real time near spray paint the temperature and humidity data coiled material of infrared drying device inside, and the temperature and humidity data that in real time detection obtained feed back to the PLC control device, with the automatic control and the operating process automatically of the continuous infrared baking equipment of realizing the electrostatic painting coiled material.
Each part to this continuous infrared baking equipment is described in detail below:
1. unwinding device, wrap-up
The spray paint roller of coiled material of continuous conveying is installed in the unwinding device, and roller is provided with the drive motors that driven roller rotates, and also drive motors can be set in unwinding device, and realizes the process of unreeling continuously by the pulling of the drive motors in the wrap-up.For the throughput direction that makes the coiled material that sprays paint remains unchanged, the side that roller is set on the coiled material that sprays paint also is provided with and is used to adjust the roller of web direction of spraying paint.The structure of described wrap-up structure and unwinding device is basic identical, in the rolling chamber, be provided with drive motors and speed change gear, this drive motors is used for driving the roller rotation of rolling chamber and drives the coiled material motion of spraying paint, it should be noted that this motor can adjust rotating speed, keep constant speed and the coiled material that sprays paint is general in the engineering of oven dry.
2. infrared drying device
Infrared drying device is mainly used in dries the coiled material that sprays paint, and it comprises: infrared ray heating tube, be installed on the infrared drying device inwall, and be mainly used in the generation infrared ray; Photoconductive tube,, be used for the infrared ray that infrared ray heating tube produces is evenly imported into the inside of infrared drying device; Humidity-discharging device is installed in the top of infrared drying device, is used for rapid discharge water steam, guarantees carrying out smoothly of oven dry; When infrared ray heating tube when being a plurality of, can control respectively each infrared drying device by the PLC control device.
3. on-line measuring device
Be installed in the temperature sensor on the infrared drying device inwall, be used for detecting in real time in the infrared drying device, near the temperature coiled material of particularly spraying paint, and detected temperature sent to the PLC control system;
Be installed in the humidity sensor of humidity-discharging device porch, be used for detecting in real time the humidity in the casing, and detected humidity is sent to the PLC control system;
Be installed in roll shaft linear velocity trans laterally, be used for detecting in real time the transmission speed of the coiled material that sprays paint, and detected speed is sent to the PLC control system.
4.PLC control system
The PLC control device is used for receiving the real time data that each sensor of on-line detecting system sends, and according to the real time data that receives, adjusts drying time, dries power, the parameters such as speed of the coiled material that sprays paint.For example, when the temperature that receives when the PLC control device is higher than the preferred temperature value, can shortens and be dried by the fire, or reduce oven dry power etc. in the time; When the humidity that receives when the PLC control system is higher than the expectation humidity value, can increase drying time, or improve oven dry power, perhaps reduce intake etc.
The drying course of coiled material of spraying paint can be briefly described below:
The coiled material that will spray paint is installed on the roller between unwinding device and the wrap-up; Under the control of PLC control device, infrared ray heating tube in the infrared drying device is started working and is produced the infrared ray of infrared ray or different wave length, simultaneously, infrared ray is transported in the infrared drying device through photoconductive tube, begin the coiled material that sprays paint that is positioned at infrared drying device inside is carried out infrared baking, humidity-discharging device is discharged infrared drying device with the water vapour that produces in the drying course.Temperature and humidity in temperature sensor and the humidity sensor detection of dynamic infrared drying device; The spray paint transmission speed of coiled material of velocity sensor detection of dynamic, and detected real time data sent to the PLC control device, the PLC control device according to real time data to drying time, dry power and the transmission speed of the coiled material that sprays paint is regulated, and finally finish drying course.
Compare with common drying unit, adopt the application's drying unit that the material that sprays paint is dried, can effectively shorten the time of oven dry, and help realizing the automation control of drying course, and help improving the quality of layer of paint.
The above only is preferred embodiment of the present invention, and is all within the claimed technical scheme scope of the application's claim, and any modification of being done and/or be equal to is replaced and/or improvement etc., all should be included within protection scope of the present invention.The application's protection domain is as the criterion with the technical scheme of claim and the technical scheme that is equal to thereof, and is not subjected to specification to specifically describe the restriction of part.
Claims (8)
1. the infrared baking equipment of an electrostatic painting coiled material comprises unwinding device, wrap-up, roll transfer roller, infrared drying device, on-line measuring device and PLC control device; In the infrared drying device wherein infrared ray heating tube is installed, described infrared ray heating tube comprises quartz ampoule, is arranged on the molybdenum sheet at quartz ampoule two ends, is arranged on the heater strip in the quartz ampoule.
2. the infrared baking equipment of the described electrostatic painting coiled material of claim 1 is characterized in that infrared ray heating tube is coated with infrared-reflecting coated away from a side of coiled material.
3. the infrared baking equipment of the described electrostatic painting coiled material of claim 2, it is characterized in that described infrared-reflecting coated be the mixture of aluminium dioxide and titanium dioxide, and the thickness of described infrared reflection coating is 0.05-0.15mm.
4. the infrared baking equipment of the described electrostatic painting coiled material of claim 2 is characterized in that ultrared wave-length coverage is 750nm to 1000nm.
5. the infrared baking equipment of the described electrostatic painting coiled material of claim 1 is characterized in that described on-line measuring device comprises temperature sensor, humidity sensor and velocity sensor.
6. the infrared baking equipment of the described electrostatic painting coiled material of claim 1 is characterized in that described temperature sensor and/or humidity sensor are installed in the inboard of infrared drying device.
7. the infrared baking equipment of the described electrostatic painting coiled material of claim 1 is characterized in that described temperature sensor and/or humidity sensor are installed near near the coiled material that sprays paint on the transport tape.
8. the infrared baking equipment of the described electrostatic painting coiled material of claim 1 is characterized in that the napex of described infrared drying device or bottom also are provided with humidity-discharging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101033297A CN102179354A (en) | 2011-04-25 | 2011-04-25 | Infrared drying equipment for electrostatically sprayed coils |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101033297A CN102179354A (en) | 2011-04-25 | 2011-04-25 | Infrared drying equipment for electrostatically sprayed coils |
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| Publication Number | Publication Date |
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| CN102179354A true CN102179354A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101033297A Pending CN102179354A (en) | 2011-04-25 | 2011-04-25 | Infrared drying equipment for electrostatically sprayed coils |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098462A (en) * | 2020-10-20 | 2020-12-18 | 贵州电网有限责任公司 | Paint layer thickness infrared thermal imaging detection device and detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754306Y (en) * | 2004-12-14 | 2006-01-25 | 薛建伟 | Coated infrared-ray transmitting halogen heating tube |
| CN201063878Y (en) * | 2007-05-11 | 2008-05-21 | 魏强 | Infrared heating tube |
| US20090074976A1 (en) * | 2007-09-14 | 2009-03-19 | Freking Anthony J | Method of reducing mottle and streak defects in coatings |
| CN101406867A (en) * | 2007-10-11 | 2009-04-15 | 特步(中国)有限公司 | Swinging automatically spraying and drying machine |
-
2011
- 2011-04-25 CN CN2011101033297A patent/CN102179354A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2754306Y (en) * | 2004-12-14 | 2006-01-25 | 薛建伟 | Coated infrared-ray transmitting halogen heating tube |
| CN201063878Y (en) * | 2007-05-11 | 2008-05-21 | 魏强 | Infrared heating tube |
| US20090074976A1 (en) * | 2007-09-14 | 2009-03-19 | Freking Anthony J | Method of reducing mottle and streak defects in coatings |
| CN101406867A (en) * | 2007-10-11 | 2009-04-15 | 特步(中国)有限公司 | Swinging automatically spraying and drying machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098462A (en) * | 2020-10-20 | 2020-12-18 | 贵州电网有限责任公司 | Paint layer thickness infrared thermal imaging detection device and detection method |
| CN112098462B (en) * | 2020-10-20 | 2022-07-12 | 贵州电网有限责任公司 | Paint layer thickness infrared thermal imaging detection device and detection method |
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Application publication date: 20110914 |