CN1927473A - Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof - Google Patents
Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof Download PDFInfo
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- CN1927473A CN1927473A CN 200610069024 CN200610069024A CN1927473A CN 1927473 A CN1927473 A CN 1927473A CN 200610069024 CN200610069024 CN 200610069024 CN 200610069024 A CN200610069024 A CN 200610069024A CN 1927473 A CN1927473 A CN 1927473A
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Abstract
The invention relates to a method for coating corrosion-resistant coat inside the heat emitter, and relative device. Wherein, said method comprises that pretreating the inner surface of heat emitter; drying it in dry room; then vacuuming the chamber of heat emitter; the liquid dope via passive pressure is absorbed into the chamber to be dispersed; then inversely charging gas into then chamber, to discharge abundant liquid dope via positive pressure outside the chamber. And the device comprises liquid discharge aerated valve, liquid inlet aerated valve and vacuuming electromagnetic valve connected to the gas pot and vacuum pot, while the liquid inlet-outlet tube has liquid level detector connected to the control system. The invention can completely coat the inner surface of heat emitter and improve the producing efficiency.
Description
Technical field
The present invention relates to a kind of vacuum coating technique for anticorrosive coating in heat sink and special equipment.
Background technology
At present, the coating one of radiator inner anticorrosioning coating is to adopt funnel manually to pour into to lumen of radiator; The 2nd, with pump coating is injected lumen of radiator, after circulation, emit.More than two kinds of methods when lumen of radiator injects coating, exist because of lumen of radiator has gas, coating rests on the radiator inner surface in the air pocket mode, be prone to coating holiday phenomenon, do not have rust-proof effect, cause product quality to descend, service life is short, and production efficiency is low.
Summary of the invention
First technical problem that the present invention will solve provides a kind of vacuum coating technique for anticorrosive coating in heat sink, to solve the holiday phenomenon that the radiator inner surface occurs.
Second technical problem that the present invention will solve is for above-mentioned process provides a kind of special equipment, to solve the low problem of production efficiency.
For solving above-mentioned first technical problem, the present invention includes following steps:
A, to the preliminary treatment of radiator inner surface, at the hothouse inner drying;
B, dried lumen of radiator is vacuumized processing, make it reach the setting vacuum state;
C, liquid coating suck lumen of radiator fast under suction function, and fill with lumen of radiator fully;
D, lumen of radiator is oppositely inflated, under positive pressure with lumen of radiator in excess liquid coating discharge lumen of radiator.
Wherein, the inner surface pretreatment process in the A step comprises: (1) carries out the processing of edible vegetable oil stain to lumen of radiator in the grease removal tank of filling degreaser solution, clean up with clear water then; (2) in the pickling tube of filling hydrochloric acid solution, lumen of radiator is carried out surface oxide layer and remove processing, clean up with clear water then; (3) in the phosphatization pond, lumen of radiator is carried out phosphatization and handle, clean up with clear water then.
For solving above-mentioned second technical problem, the present invention includes air accumulator that is connected with air compressor and the vacuum tank that is connected with vavuum pump, the feed tube that is communicated with liquid storage tank, feed tube is provided with the discharge opeing pneumatic operated valve by control system control, the feed liquor pneumatic operated valve, its design feature is that described air accumulator is connected on the exhaust tube through draining solenoid valve, between exhaust tube and vacuum tank, be provided with the magnetic valve of finding time, exhaust tube is communicated with the bleeding point of liquid level detection device, be connected with the sealed interface that is connected with radiator one port on the inlet of liquid level detection device, feed tube is provided with the sealed interface that is connected with the radiator another port, the signal output part of liquid level detection device is electrically connected with control system, control system and draining solenoid valve, the magnetic valve of finding time is electrically connected, and is provided with the electric contact pressure vacuum gauge that is electrically connected with control system on feed tube.
Between air accumulator and feed tube, be provided with air reducing valve.
After adopting above-mentioned process, before lumen of radiator is applied inner anticorrosioning coating, air in the lumen of radiator is drawn out of, be in vacuum state, coating can enter into each position of lumen of radiator under vacuum state, make coated inside even, prevent cavitation, avoid the radiator inner surface holiday to occur.The use of this special equipment makes processes such as lumen of radiator vacuumizes, feed liquor, discharge opeing be finished automatically by control system control, saves manpower, the production efficiency height, and coating recycles between coating pond and lumen of radiator, reduced waste.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail:
Fig. 1 is a structure principle chart of the present invention;
Fig. 2 is an electric control schematic diagram of the present invention.
The specific embodiment
For solving the holiday phenomenon that the radiator inner surface occurs, this vacuum coating technique for anticorrosive coating in heat sink may further comprise the steps:
A, at first to the preliminary treatment of radiator inner surface, this inner surface pretreatment process comprises: (1) is carried out the edible vegetable oil stain to lumen of radiator and is handled, clean up with clear water then in the grease removal tank of filling degreaser solution; (2) in the pickling tube of filling hydrochloric acid solution, lumen of radiator is carried out surface oxide layer and remove processing, clean up with clear water then; (3) in the phosphatization pond, lumen of radiator is carried out phosphatization and handle, make the lumen of radiator surface evenly adhere to one deck phosphating coat, clean up with clear water then, then at the hothouse inner drying;
B, dried lumen of radiator is vacuumized processing, make it reach the setting vacuum state, this vacuum state is kept by the vacuum tank of vacuum coating installation, and vacuum is-0.08--0.09Mpa in the vacuum tank, and the vacuum setting value in the radiator is-0.07Mpa;
C, liquid coating suck lumen of radiator fast under suction function, and fill with lumen of radiator fully;
D, lumen of radiator is oppositely inflated, under positive pressure with lumen of radiator in excess liquid coating discharge lumen of radiator.
Radiator inner anticorrosioning coating vacuum covering special equipment shown in Figure 1, comprise air accumulator 3 that is connected with air compressor 1 and the vacuum tank 4 that is connected with vavuum pump 2, the feed tube that is communicated with liquid storage tank, feed tube is provided with the discharge opeing pneumatic operated valve 14 by control system control, feed liquor pneumatic operated valve 15, air accumulator 3 is connected on the exhaust tube through draining solenoid valve 8, between exhaust tube and vacuum tank 4, be provided with the magnetic valve 9 of finding time, exhaust tube is communicated with the bleeding point of liquid level detection device 10, be connected with the sealed interface 11 that is connected with radiator 13 1 ports on the inlet of liquid level detection device 10, feed tube is provided with the sealed interface 12 that is connected with radiator 13 another port, liquid level detection device 10 sends liquid and puts signal B in place to control system, this liquid puts signal in place by being installed in sending near switch LQ in the liquid level detection device 10, control system and draining solenoid valve 8, find time magnetic valve 9 is electrically connected, on feed tube, be provided with the electric contact pressure vacuum gauge 7 that is electrically connected with control system, the output vacuum of electric contact pressure vacuum gauge 7 puts signal A in place to control system, between air accumulator 3 and feed tube, be provided with air reducing valve 5 and Pressure gauge 6, be connected to discharge opeing pneumatic operated valve 14, feed tube on the feed liquor pneumatic operated valve 15 extend in the coating pond 16.Be provided with control piper between discharge opeing pneumatic operated valve 14 and feed liquor pneumatic operated valve 15 and the air accumulator 3, control piper between discharge opeing pneumatic operated valve 14 and the air accumulator 3 is provided with the reversal valve 19 by magnetic valve F2 control, control piper between feed liquor pneumatic operated valve 15 and the air accumulator 3 is provided with the reversal valve 20 by magnetic valve F1 control, also is provided with air reducing valve 18, Pressure gauge 17 on this control piper.
Below in conjunction with Fig. 2 operation principle of the present invention is described:
1, start air compressor 1, air accumulator 3 interior gas pressures are remained between the 0.6-0.8Mpa, adjust air reducing valve 5, the pointer indication that makes Pressure gauge 6 is at 0.2Mpa; Adjust air reducing valve 18, the pointer indication that makes Pressure gauge 17 is at 0.5Mpa.
2, start vavuum pump 2, make that vacuum remains in the vacuum tank-0.08--0.09Mpa between.
3, connect control circuit power switch DZ, press the button SB2 that finds time, relay N1 action, magnetic valve 9 energisings of finding time are opened, and carry out inner pumping by liquid level detection device 10 and 11 pairs of radiators of sealed interface 13.When electric contact pressure vacuum gauge 7 vacuums reach setting value-0.07Mpa, the contact VQ action of electric contact pressure vacuum gauge 7, output vacuum puts signal A in place to control system, relay N2 action, magnetic valve F1 energising, reversal valve 20 actions, connect feed liquor pneumatic operated valve 15 gas circuits, feed liquor pneumatic operated valve 15 is opened, coating is under suction function, suck lumen of radiator fast by feed liquor pneumatic operated valve 15 and sealed interface 12, after coating is filled with in full radiator inside, liquid level detection device 10 sends liquid and puts signal B in place to control system, relay N3 action, find time magnetic valve 9 and magnetic valve F1 the outage, reversal valve 20 disconnects feed liquor pneumatic operated valve 15 gas circuits, feed liquor pneumatic operated valve 15 cuts out, simultaneously, draining solenoid valve 8 energisings are opened, pressure air in the air accumulator 3 is oppositely inflated by liquid level detection device 10 and 11 pairs of radiator 13 inner chambers of sealed interface, magnetic valve F2 energising, discharge opeing pneumatic operated valve 14 gas circuits are connected in reversal valve 19 actions, advancing discharge opeing pneumatic operated valve 14 opens, under positive pressure with lumen of radiator in excess liquid coating discharge lumen of radiator in coating pond 16, in magnetic valve F2 energising, time relay TK work, after reaching setting-up time (be generally 30-60 second), the action of time relay TK contact, the control circuit outage, interior coating procedure finishes.Among the figure, LQ be installed in the liquid level detection device 10 near switch, SB1 is a stop button, when poorly sealed gas leakage occurring in the evacuation process, stops to find time.
Claims (4)
1, a kind of vacuum coating technique for anticorrosive coating in heat sink is characterized in that may further comprise the steps:
A, to the preliminary treatment of radiator inner surface, at the hothouse inner drying;
B, dried lumen of radiator is vacuumized processing, make it reach the setting vacuum state;
C, liquid coating suck lumen of radiator fast under suction function, and fill with lumen of radiator fully;
D, lumen of radiator is oppositely inflated, under positive pressure with lumen of radiator in excess liquid coating discharge lumen of radiator.
2, vacuum coating technique for anticorrosive coating in heat sink according to claim 1, it is characterized in that the inner surface pretreatment process in the A step comprises: (1) carries out the processing of edible vegetable oil stain to lumen of radiator in the grease removal tank of filling degreaser solution, clean up with clear water then; (2) in the pickling tube of filling hydrochloric acid solution, lumen of radiator is carried out surface oxide layer and remove processing, clean up with clear water then; (3) in the phosphatization pond, lumen of radiator is carried out phosphatization and handle, clean up with clear water then.
3, a kind of radiator inner anticorrosioning coating vacuum covering special equipment, comprise air accumulator (3) that is connected with air compressor (1) and the vacuum tank (4) that is connected with vavuum pump (2), the feed tube that is communicated with liquid storage tank, feed tube is provided with the discharge opeing pneumatic operated valve (14) by control system control, feed liquor pneumatic operated valve (15), it is characterized in that described air accumulator (3) is connected on the exhaust tube through draining solenoid valve (8), between exhaust tube and vacuum tank (4), be provided with the magnetic valve of finding time (9), exhaust tube is communicated with the bleeding point of liquid level detection device (10), be connected with the sealed interface (11) that is connected with radiator one port on the inlet of liquid level detection device (10), feed tube is provided with the sealed interface (12) that is connected with the radiator another port, the signal output part (B) of liquid level detection device (10) is electrically connected with control system, control system and draining solenoid valve (8), the magnetic valve (9) of finding time is electrically connected, and is provided with the electric contact pressure vacuum gauge (7) that is electrically connected with control system on feed tube.
4, radiator inner anticorrosioning coating vacuum covering special equipment according to claim 3 is characterized in that being provided with air reducing valve (5) between air accumulator (3) and feed tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610069024 CN1927473A (en) | 2006-09-20 | 2006-09-20 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610069024 CN1927473A (en) | 2006-09-20 | 2006-09-20 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
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| CN1927473A true CN1927473A (en) | 2007-03-14 |
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| CN 200610069024 Pending CN1927473A (en) | 2006-09-20 | 2006-09-20 | Vacuum coating technique for anticorrosive coating in heat sink and dedicated device thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304706A (en) * | 2011-09-19 | 2012-01-04 | 南南铝业股份有限公司 | Anticorrosion treatment device and treatment method for surface of long and narrow runner of aluminium alloy radiator |
| CN102430506A (en) * | 2011-12-15 | 2012-05-02 | 江苏腾奇电力设备科技有限公司 | Paint coating process for radiator cast |
| CN102500515A (en) * | 2011-11-01 | 2012-06-20 | 天津市亿顺达工贸有限公司 | High-pressure corrosion-resistant automatic canning device |
| CN102605366A (en) * | 2012-03-20 | 2012-07-25 | 中科盛创（青岛）电气有限公司 | Antiseptic treatment system of water channel of water-cooling machine seat of motor and treatment method |
| CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
| CN105772337A (en) * | 2016-04-20 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Heating radiator anti-corrosive treatment device |
| CN107837989A (en) * | 2017-12-08 | 2018-03-27 | 沈阳天通电气有限公司 | The vacuum of radiator for transformer inner chamber draws paint and vacuum quick drying paint equipment and technique |
| CN107858629A (en) * | 2017-05-02 | 2018-03-30 | 武汉华工激光工程有限责任公司 | One kind utilizes ceramic material sealing thermal Sperayed Ceramic Coatings hole technique |
| CN113996497A (en) * | 2021-11-12 | 2022-02-01 | 中车长春轨道客车股份有限公司 | Framework inner cavity anticorrosive paint liquid filling device and filling method thereof |
-
2006
- 2006-09-20 CN CN 200610069024 patent/CN1927473A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304706A (en) * | 2011-09-19 | 2012-01-04 | 南南铝业股份有限公司 | Anticorrosion treatment device and treatment method for surface of long and narrow runner of aluminium alloy radiator |
| CN102500515A (en) * | 2011-11-01 | 2012-06-20 | 天津市亿顺达工贸有限公司 | High-pressure corrosion-resistant automatic canning device |
| CN102430506A (en) * | 2011-12-15 | 2012-05-02 | 江苏腾奇电力设备科技有限公司 | Paint coating process for radiator cast |
| CN102605366A (en) * | 2012-03-20 | 2012-07-25 | 中科盛创（青岛）电气有限公司 | Antiseptic treatment system of water channel of water-cooling machine seat of motor and treatment method |
| CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
| CN105772337A (en) * | 2016-04-20 | 2016-07-20 | 天津巨龙暖通设备开发有限公司 | Heating radiator anti-corrosive treatment device |
| CN107858629A (en) * | 2017-05-02 | 2018-03-30 | 武汉华工激光工程有限责任公司 | One kind utilizes ceramic material sealing thermal Sperayed Ceramic Coatings hole technique |
| CN107837989A (en) * | 2017-12-08 | 2018-03-27 | 沈阳天通电气有限公司 | The vacuum of radiator for transformer inner chamber draws paint and vacuum quick drying paint equipment and technique |
| CN107837989B (en) * | 2017-12-08 | 2023-03-10 | 沈阳天通电气有限公司 | Vacuum paint sucking and vacuum quick-drying equipment and process for radiator inner cavity of transformer |
| CN113996497A (en) * | 2021-11-12 | 2022-02-01 | 中车长春轨道客车股份有限公司 | Framework inner cavity anticorrosive paint liquid filling device and filling method thereof |
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