CN103170446B - Static coating method of condenser core - Google Patents
Static coating method of condenser core Download PDFInfo
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- CN103170446B CN103170446B CN201310123725.5A CN201310123725A CN103170446B CN 103170446 B CN103170446 B CN 103170446B CN 201310123725 A CN201310123725 A CN 201310123725A CN 103170446 B CN103170446 B CN 103170446B
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- condenser core
- spray
- core
- spraying
- condenser
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Abstract
The invention discloses a static coating method of a condenser core. The method comprises the following sequential steps of (1) putting the condenser core on a spraying fixture to ensure that the polar tube of the condenser core is parallel to the plane of the spraying fixture; (2) respectively carrying out zigzag spraying from right to left and U-shaped spraying from bottom to top on the polar tube by using a spray gun perpendicular to the surface of the core and standing; (3) rotating the condenser core by 180 DEG to the right, fixing, repeating step (2) and standing; (4) turning over the condenser core to ensure that the base plate of the condenser core is parallel to the plane of the spraying fixture; (5) carrying out zigzag spraying from right to left and U-shaped spraying from bottom to top on the base plate by using the spray gun perpendicular to the surface of the core and standing; (6) rotating the condenser core by 180 DEG to the left, fixing, repeating step (5) and standing; and (7) finishing the spraying and placing the condenser core on an end product car. The spraying method disclosed by the invention has the advantages of simpleness, high efficiency and coating uniformity and can improve the product quality and qualified rate.
Description
Technical field
The present invention relates to car condenser field, particularly relate to condenser core Electrostatic coating methods.
Background technology
Electrostatic Spray Technology is widely used in metal, automobile, household electrical appliance, hardware & tools, electrostatic spraying is in recent years for anti-corrosion of metal, the spray technology of a kind of alternative liquid coating of ornamental spraying, electrostatic painting process utilizes high-pressure electrostatic electric field to make electronegative paint particles along the contrary direction directed movement of electric field, and paint particles is adsorbed on a kind of spraying method of surface of the work, electrostatic spraying is solvent-free spraying, thoroughly remove the environmental pollution that traditional brushing technology is brought, it is high that electrostatic spraying has coating adhesion, corrosion resistance is strong, spraying cost and spray coating operations efficiency improve greatly simultaneously.
In auto parts machinery manufacturing enterprise, air conditioning for automobiles is the emphasis consumption configuration of consumer when selecting automobile, condenser in air conditioning for automobiles is mounted in an air conditioner heat radiator in air conditioning for automobiles, the quality of the sealing of car condenser is the quality causing automotive air-conditioning system heat sinking function, the bad meeting of coating of condenser core causes fin and flat tube failure welding in NB stove, fin is caused to block, crawling is even simultaneously, condenser core antiseptic property equally also can be caused to weaken, and condenser shortens service life.
In prior art, to the electrostatic spraying that condenser core adopts, be only spray according to the basic operation of spraying, often cause crawling even.
Summary of the invention
The invention provides a kind of condenser core Electrostatic coating methods, improve the uniformity of electrostatic spraying, improve quality and the qualification rate of product.
In order to solve the problems of the technologies described above, the present invention is achieved in that
Condenser core Electrostatic coating methods, comprises order and performs following steps:
1), get condenser core, condenser core is placed on spray finishing jig, the pole of condenser core is managed parallel with spray finishing jig plane;
2), the vertical core surface of spray gun, from right to left "the" shape spraying, from down to up " U " font spray respectively pole pipe, leave standstill;
3), by condenser core right rotation 180 °, after fixing, the 2nd is repeated) step, leave standstill;
4), by condenser core overturn, make the seat board of condenser core parallel with spray finishing jig plane;
5), the vertical core surface of spray gun, from right to left " it " shape spraying, from down to up " U " font spraying seat board, leave standstill;
6), by left for condenser core upset 180 °, after fixing, the 5th is repeated) step, leave standstill;
7), spray and terminate, condenser core is placed on finished car.
Wherein, described step 1) is specially:
11), hold in the middle part of condenser core seat board, condenser core is placed on spray finishing jig;
12) condenser core gateway pipe, is determined upwards;
13), condenser core determines after placing that on import and export base, elastometric boot is without coming off.
Wherein, described step 2) be specially:
21), spray gun is picked up, in advance empty spray;
22), the vertical core surface of spray gun spray nozzle;
23), spray gun carries out "the" shape spraying to chiller core surface from right to left from pipe upper end, pole, the right;
24), spray gun from bottom to top " U " font respectively pole, left and right pipe is sprayed;
25), to pole, left and right pipe and flat tube joint and import and export base and spray;
26), spray and terminate, leave standstill.
Wherein, described step 5) is specially:
51), the vertical core surface of spray gun spray nozzle;
52), spray gun carries out the spraying of " it " shape to chiller core surface from right to left from seat board upper end, the right;
53), spray gun is from bottom to top to seat board and the spraying of water pipe junction " U " font;
54), spray and terminate, leave standstill.
Further optimization, described time of repose is 3 ~ 5min.
Further optimization, described spray gun, perpendicular to core surface, is 20 ~ 25cm apart from core surface distance.
Further optimization, described spray gun is built-in electrostatic powder sprayer.
Further optimization, before described step 1), adopt cleaning agent to deoil cleaning to condenser core, described cleaning agent is alkaline metal cleaner, needs to be cured condenser core after described step 7), and described solidification temperature is 600 ~ 700 DEG C.
Further, described solidification temperature is 650 DEG C.
The present invention, by optimizing electrostatic spraying step, adopts the spraying of " it " shape and the spraying of " U " font, coordinates special spray finishing jig, make electrostatic spraying post-condenser core surface spray evenly, the gas leakage of flat tube welding nothing, without blocking between fin, surface compact light, does not peel off.
Accompanying drawing explanation
Fig. 1 be condenser core pole pipe parallel with spray finishing jig plane time spray arrow plot;
Fig. 2 be the seat board of condenser core parallel with spray finishing jig plane time spray arrow plot;
Fig. 3 is schematic flow sheet of the present invention;
Fig. 4 is step 1) idiographic flow schematic diagram of the present invention;
Fig. 5 is step 2 of the present invention) idiographic flow schematic diagram;
Fig. 6 is step 5) idiographic flow schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with concrete embodiment, the present invention is described in further detail; can not assert that specific embodiment of the invention is confined to these explanations; for the those of ordinary skill in technical staff field described in this area; do not departing under design of the present invention; some simple deduction or replace can also be made, all should be considered as protection scope of the present invention.
Embodiment one
See Fig. 1, Fig. 2 and composition graphs 3, Fig. 4, Fig. 5, Fig. 6, need to deoil cleaning to condenser core before electrostatic spraying, adopt alkaline metal cleaner market being applicable to aluminum products cleaning, after cleaning, order is carried out according to following steps:
1), hold in the middle part of condenser core seat board, condenser core is placed on spray finishing jig; Determine condenser core gateway pipe upwards; Condenser core determines after placing that on import and export base, elastometric boot is without coming off;
2), pick up spray gun, described spray gun is built-in electrostatic powder sprayer, and empty spray, prevents shower nozzle from blocking in advance; The vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out "the" shape spraying to chiller core surface from right to left from pipe upper end, pole, the right; " U " font sprays pole, left and right pipe respectively from bottom to top; To pole, left and right pipe and flat tube joint and import and export base and spray; Spraying terminates, and leaves standstill 3 ~ 5min;
3), by condenser core right rotation 180 °, after fixing, the 2nd is repeated) step, leave standstill 3 ~ 5min;
4), by condenser core overturn, make the seat board of condenser core parallel with spray finishing jig plane;
5), the vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out the spraying of " it " shape to chiller core surface from right to left from seat board upper end, the right; From bottom to top to seat board and the spraying of water pipe junction " U " font; Spraying terminates, and leaves standstill 3 ~ 5min;
6), by left for condenser core upset 180 °, after fixing, the 5th is repeated) step, leave standstill 3 ~ 5min;
7), spray and terminate, condenser core is placed on finished car.
By the condenser core solidification sprayed, control temperature is at 600 DEG C, and condenser core face coat forms firmly uniform coating.
Embodiment two,
Need to deoil cleaning to condenser core before electrostatic spraying, adopt alkaline metal cleaner market being applicable to aluminum products cleaning, after cleaning, order is carried out according to following steps:
1), hold in the middle part of condenser core seat board, condenser core is placed on spray finishing jig; Determine condenser core gateway pipe upwards; Condenser core determines after placing that on import and export base, elastometric boot is without coming off;
2), pick up spray gun, described spray gun is built-in electrostatic powder sprayer, and empty spray, prevents shower nozzle from blocking in advance; The vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out "the" shape spraying to chiller core surface from right to left from pipe upper end, pole, the right; " U " font sprays pole, left and right pipe respectively from bottom to top; To pole, left and right pipe and flat tube joint and import and export base and spray; Spraying terminates, and leaves standstill 3 ~ 5min;
3), by condenser core right rotation 180 °, after fixing, the 2nd is repeated) step, leave standstill 3 ~ 5min;
4), by condenser core overturn, make the seat board of condenser core parallel with spray finishing jig plane;
5), the vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out the spraying of " it " shape to chiller core surface from right to left from seat board upper end, the right; From bottom to top to seat board and the spraying of water pipe junction " U " font; Spraying terminates, and leaves standstill 3 ~ 5min;
6), by left for condenser core upset 180 °, after fixing, the 5th is repeated) step, leave standstill 3 ~ 5min;
7), spray and terminate, condenser core is placed on finished car.
By the condenser core solidification sprayed, control temperature is at 650 DEG C, and condenser core face coat forms firmly uniform coating.
Embodiment three
Need to deoil cleaning to condenser core before electrostatic spraying, adopt alkaline metal cleaner market being applicable to aluminum products cleaning, after cleaning, order is carried out according to following steps:
1), hold in the middle part of condenser core seat board, condenser core is placed on spray finishing jig; Determine condenser core gateway pipe upwards; Condenser core determines after placing that on import and export base, elastometric boot is without coming off;
2), pick up spray gun, described spray gun is built-in electrostatic powder sprayer, and empty spray, prevents shower nozzle from blocking in advance; The vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out "the" shape spraying to chiller core surface from right to left from pipe upper end, pole, the right; " U " font sprays pole, left and right pipe respectively from bottom to top; To pole, left and right pipe and flat tube joint and import and export base and spray; Spraying terminates, and leaves standstill 3 ~ 5min;
3), by condenser core right rotation 180 °, after fixing, the 2nd is repeated) step, leave standstill 3 ~ 5min;
4), by condenser core overturn, make the seat board of condenser core parallel with spray finishing jig plane;
5), the vertical core surface of spray gun spray nozzle, shower nozzle distance core surface 20 ~ 25cm; Spray gun carries out the spraying of " it " shape to chiller core surface from right to left from seat board upper end, the right; From bottom to top to seat board and the spraying of water pipe junction " U " font; Spraying terminates, and leaves standstill 3 ~ 5min;
6), by left for condenser core upset 180 °, after fixing, the 5th is repeated) step, leave standstill 3 ~ 5min;
7), spray and terminate, condenser core is placed on finished car.
By the condenser core solidification sprayed, control temperature is at 700 DEG C, and condenser core face coat forms firmly uniform coating.
Adopt the inventive method, after condenser core electrostatic spraying, detect with helium airtight machine, good airproof performance, No leakage, distortion, pressure-bearing is greater than 4MPa, the fine and close light of outward appearance, without peeling off, after NB stove burning is paid, fin is without blocking, welding is good, and flat tube welding is without gas leakage, and welding rate reaches 98.2%, in salt-mist corrosion tester, experimental solutions pH value is 2.8 ~ 3.0, and temperature is in 50 DEG C, check corrosion condition through 600H, extent of corrosion is light, range estimation no corrosion.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. condenser core Electrostatic coating methods, is characterized in that, comprises order and performs following steps:
1), get condenser core, condenser core is placed on spray finishing jig, the pole of condenser core is managed parallel with spray finishing jig plane;
2), the vertical core surface of spray gun, from right to left "the" shape spraying, from down to up " U " font spray respectively pole pipe, leave standstill;
3), by condenser core right rotation 180 °, after fixing, the 2nd is repeated) step, leave standstill;
4), by condenser core overturn, make the seat board of condenser core parallel with spray finishing jig plane;
5), the vertical core surface of spray gun, from right to left " it " shape spraying, from down to up " U " font spraying seat board, leave standstill;
6), by left for condenser core upset 180 °, after fixing, the 5th is repeated) step, leave standstill;
7), spray and terminate, be cured condenser core, described solidification temperature is 600 ~ 700 DEG C, after solidification, is placed on finished car by condenser core.
2. condenser core Electrostatic coating methods according to claim 1, is characterized in that, described step 1) be specially:
11), hold in the middle part of condenser core seat board, condenser core is placed on spray finishing jig;
12) condenser core gateway pipe, is determined upwards;
13), condenser core determines after placing that on import and export base, elastometric boot is without coming off.
3. condenser core Electrostatic coating methods according to claim 2, is characterized in that, described step 2) be specially:
21), spray gun is picked up, in advance empty spray;
22), the vertical core surface of spray gun spray nozzle;
23), spray gun carries out "the" shape spraying to chiller core surface from right to left from pipe upper end, pole, the right;
24), spray gun from bottom to top " U " font respectively pole, left and right pipe is sprayed;
25), to pole, left and right pipe and flat tube joint and import and export base and spray;
26), spray and terminate, leave standstill.
4. condenser core Electrostatic coating methods according to claim 1, is characterized in that, described step 5) be specially:
51), the vertical core surface of spray gun spray nozzle;
52), spray gun carries out the spraying of " it " shape to chiller core surface from right to left from seat board upper end, the right;
53), spray gun is from bottom to top to seat board and the spraying of water pipe junction " U " font;
54), spray and terminate, leave standstill.
5. the condenser core Electrostatic coating methods according to any one of claim 1-4, is characterized in that, described time of repose is 3 ~ 5min.
6. the condenser core Electrostatic coating methods according to any one of claim 1-4, is characterized in that, described spray gun, perpendicular to core surface, is 20 ~ 25cm apart from core surface distance.
7. the condenser core Electrostatic coating methods according to any one of claim 1-4, is characterized in that, described spray gun is built-in electrostatic powder sprayer.
8. condenser core Electrostatic coating methods according to claim 1, is characterized in that, in described step 1) front employing cleaning agent to deoil cleaning to condenser core, and described cleaning agent is alkaline metal cleaner.
9. condenser core Electrostatic coating methods according to claim 1, is characterized in that, described solidification temperature is 650 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123725.5A CN103170446B (en) | 2013-04-11 | 2013-04-11 | Static coating method of condenser core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310123725.5A CN103170446B (en) | 2013-04-11 | 2013-04-11 | Static coating method of condenser core |
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| Publication Number | Publication Date |
|---|---|
| CN103170446A CN103170446A (en) | 2013-06-26 |
| CN103170446B true CN103170446B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310123725.5A Expired - Fee Related CN103170446B (en) | 2013-04-11 | 2013-04-11 | Static coating method of condenser core |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893060A (en) * | 2021-01-15 | 2021-06-04 | 滁州美杰精密部件制造有限公司 | Top cover surface electrostatic spraying process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503907A (en) * | 1979-06-08 | 1985-03-12 | Hitachi, Ltd. | Heat exchanger coated with aqueous coating composition |
| CN1381706A (en) * | 2002-04-26 | 2002-11-27 | 龙口市金穗铜铝材厂 | Nano anticrossion technology for heat radiator by spraying on its inner surface |
| CN101100119A (en) * | 2006-07-27 | 2008-01-09 | 陈国宝 | Optical catalyst paper-made full heat converter core and processing method thereof |
| CN201955264U (en) * | 2010-12-31 | 2011-08-31 | 聚光科技(杭州)股份有限公司 | Condensation device |
-
2013
- 2013-04-11 CN CN201310123725.5A patent/CN103170446B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4503907A (en) * | 1979-06-08 | 1985-03-12 | Hitachi, Ltd. | Heat exchanger coated with aqueous coating composition |
| CN1381706A (en) * | 2002-04-26 | 2002-11-27 | 龙口市金穗铜铝材厂 | Nano anticrossion technology for heat radiator by spraying on its inner surface |
| CN101100119A (en) * | 2006-07-27 | 2008-01-09 | 陈国宝 | Optical catalyst paper-made full heat converter core and processing method thereof |
| CN201955264U (en) * | 2010-12-31 | 2011-08-31 | 聚光科技(杭州)股份有限公司 | Condensation device |
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| CN103170446A (en) | 2013-06-26 |
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