CN101703982B - Airless spraying system and method of inner wall of program-controlled automatic cast pipe - Google Patents
Airless spraying system and method of inner wall of program-controlled automatic cast pipe Download PDFInfo
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- CN101703982B CN101703982B CN2009100758526A CN200910075852A CN101703982B CN 101703982 B CN101703982 B CN 101703982B CN 2009100758526 A CN2009100758526 A CN 2009100758526A CN 200910075852 A CN200910075852 A CN 200910075852A CN 101703982 B CN101703982 B CN 101703982B
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Abstract
The invention relates to airless spraying system and method of inner wall of a program-controlled automatic cast pipe, belonging to automatic spraying system and method for spraying the inner surface of a centrifugal cast iron drain pipe. The invention mainly solves the technical difficult problems of weak product quality, low efficiency and poor economic benefit in the prior method. The airless spraying system of the inner wall of the program-controlled automatic cast pipe comprises an air compressor, an air purifier, a pneumatic high-pressure plunger pump, a pneumatic stirrer, a high-pressure filter, a high-pressure paint conveying pipe, a high-pressure paint pressure regulator and an automatic spraying machine; the airless spraying method comprises the following steps of: a. heating the cast pipe in a preheating furnace to reach 100-150 DEG C firstly; b. preparing paint; c. powering on the air compressor, regulating the gas transmission pressure of the pneumatic high-pressure plunger pump to 1-4.5Kg/cm2, then regulating the spraying pressure to 30-230Kg/cm2, and compiling servo motor control programs according to the diameter size of an inner hole of the cast pipe, namely, starting paint-suction spraying.
Description
Technical field
The present invention relates to a kind of programmable automation cast tube inwall airless spraying system and method, it belongs to a kind of automatic spraying system and method that centrifugal cast iron drainpipe inner surface sprays that is used for.
Background technology
Spun cast pipe is used widely in the whole world, but along with the expansion of purposes, spun cast pipe coating on inner surface quality requirement is also being improved constantly.Adopting existing spraying method is that workpiece is irritated lacquer and painted while rotating, and not only technology falls behind, inefficiency, and can't meet the quality requirement, limited the development of product.After particularly this method is carried out endoporus spraying, easily produce paint film serious eccentric, two ends are inhomogeneous, inner surface has defectives such as bubble, sagging, have a strong impact on the yield rate and the economic benefit of enterprises of product.
Summary of the invention
The objective of the invention is to solve the technological difficulties of the low and deficiency in economic performance of poor product quality, efficient that existing method exists, and provide that a kind of cast iron pipe quality of producing is good, the yield rate of product high and good in economic efficiency programmable automation cast tube inwall airless spraying system and method.
The present invention for the technical scheme that solves above-mentioned technological difficulties and adopt is: programmable automation cast tube inwall airless spraying system, comprise air compressor and air purifier, wherein: it also comprises the pneumatic high-voltage plunger displacement pump, agitator air, high pressure filter, high pressure is coated with material conveying tube, high pressure coating pressure regulator and automatic spraying machine, air compressor connects with the air inlet of air purifier, the air inlet of air purifier gas outlet and pneumatic high-voltage plunger displacement pump, the air inlet of agitator air and the air inlet of the electromagnetic switch on the automatic spraying machine connect, the charging aperture of pneumatic high-voltage plunger displacement pump connects with agitator air, the discharging opening of pneumatic high-voltage plunger displacement pump connects with the charging aperture of high pressure filter, the discharging opening of high pressure filter connects with the import that high pressure is coated with material conveying tube, the outlet that high pressure is coated with material conveying tube connects with the charging aperture of high pressure coating pressure regulator, the discharging opening of high pressure coating pressure regulator connects with the charging aperture of high pressure nozzle on being contained in automatic spraying machine, electromagnetic switch on the automatic spraying machine is connected with automatic spray gun, and automatic spray gun connects with high pressure nozzle by carrier pipe.
Described automatic spraying machine is by travelling car, servomotor, decelerator, Programmable Logic Controller, driver, switch board, automatic spray gun, electromagnetic switch, support bar, carrier pipe, high pressure nozzle and trolley track are formed, Programmable Logic Controller is located at the one side in the switch board, electromagnetic switch is located at the another side in the switch board, driver is located in the switch board, switch board is contained in the horizontal one side of travelling car, Programmable Logic Controller is connected with driver with electromagnetic switch and controls electromagnetic switch and driver, driver connects with servomotor, servomotor connects with decelerator, decelerator connects with the driving wheel of travelling car, servomotor and decelerator are contained in the postmedian of travelling car, the rear portion of carrier pipe is contained in anterior and its anterior being placed on the support bar of travelling car, automatic spray gun is contained in the rear end of carrier pipe, high pressure nozzle is contained in the front end of carrier pipe, electromagnetic switch is connected with automatic spray gun and controls automatic spray gun, and travelling car is located on the trolley track, and support bar is located at the trolley track front portion.
A kind of method of using above-mentioned paint finishing to carry out the airless spraying of programmable automation cast tube inwall, the step of its airless spraying is:
A. at first cast tube is heated to 100～150 ℃ in preheating furnace;
B. modulation is painted, and by the requirement of implementing spray paint, and in various composition ratios adjusting viscosity, after viscosity transfers to 25～40s, paints mixer and stirs 10 minutes, after paint is even, with 4# paint cup measurement viscosity, meets viscosity and requires the back standby again;
C. open air compressor, pressure transfers to 5-7Kg/cm
2, according to the diameter of processing cast tube, the distribution pressure of pneumatic high-voltage plunger displacement pump is transferred to 1～4.5Kg/cm then
2, again spray pressure is transferred to 30～230Kg/cm
2, then pneumatic high-voltage plunger displacement pump and each pipeline are cleaned 10-20 minute with solvent or diluent after, according to cast tube diameter of bore size, film thickness requirement, establishment servomotor control program promptly begins to inhale the lacquer spraying.
Describedly regulate viscosity in various composition ratios and be meant: when spraying required paint, prepare two component A by following weight ratio for two component: coating, B: curing agent, its part by weight is as follows:
A: B=1: 1 or 1: 1.2.
Because the present invention has adopted technique scheme.Therefore, compare with background technology, the present invention has following advantage:
1, endoporus spraying once-forming.
2, solve in the past in the spraying process, middle paint film meets the requirements, and the problem of the not enough thickness in two ends.
3, obviously improve the adhesive force behind the paint application, be higher than 2 grades.
4, solved the serious problem of construction back endoporus paint film thickness deviation.
5, can adapt to different workpieces, spraying rate be required the needs of speed change.
6, be suitable for various paint, coating.
7, operating efficiency improves.
Description of drawings
Fig. 1 is the block diagram of system of the present invention;
Fig. 2 is the structural representation of automatic spraying machine.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
As depicted in figs. 1 and 2, programmable automation cast tube inwall airless spraying system in the present embodiment, comprise air compressor (09-50A) and air purifier, wherein: it also comprises pneumatic high-voltage plunger displacement pump (phoehix6552), agitator air, high pressure filter, high pressure is coated with material conveying tube, high pressure coating pressure regulator (HR-400) and automatic spraying machine, air compressor connects with the air inlet of air purifier, the air inlet of air purifier gas outlet and pneumatic high-voltage plunger displacement pump, the air inlet of agitator air and the air inlet of the electromagnetic switch on the automatic spraying machine connect, the charging aperture of pneumatic high-voltage plunger displacement pump connects with agitator air, the discharging opening of pneumatic high-voltage plunger displacement pump connects with the charging aperture of high pressure filter, the discharging opening of high pressure filter connects with the import that high pressure is coated with material conveying tube, the outlet that high pressure is coated with material conveying tube connects with the charging aperture of high pressure coating pressure regulator, the discharging opening of high pressure coating pressure regulator connects with the charging aperture of high pressure nozzle on being contained in automatic spraying machine, electromagnetic switch on the automatic spraying machine is connected with automatic spray gun (DKA), and automatic spray gun connects with high pressure nozzle by carrier pipe.
As shown in Figure 2, described automatic spraying machine is by travelling car 8, servomotor 1, decelerator 2, Programmable Logic Controller 3, driver 4, switch board 5, automatic spray gun 6, electromagnetic switch 7, support bar 9, carrier pipe 10, high pressure nozzle 11 and trolley track 12 are formed, Programmable Logic Controller 3 is located at the one side in the switch board 5, electromagnetic switch 7 is located at the another side in the switch board 5, driver 4 is located in the switch board 5, switch board 5 is contained in the horizontal one side of travelling car 8, Programmable Logic Controller 3 is connected with driver 4 with electromagnetic switch 7 and controls electromagnetic switch and driver, driver 4 connects with servomotor 1, servomotor 1 connects with decelerator 2, decelerator 2 connects with the driving wheel of travelling car 8, servomotor 1 and decelerator 2 are contained in the postmedian of travelling car 8, the rear portion of carrier pipe 10 is contained in anterior and its anterior being placed on the support bar 9 of travelling car 8, automatic spray gun 6 is contained in the rear end of carrier pipe 10, high pressure nozzle 11 is contained in the front end of carrier pipe 10, electromagnetic switch 7 is connected with automatic spray gun 6 and controls automatic spray gun 6, travelling car 8 is located on the trolley track 12, and support bar 9 is located at trolley track 12 front portions.
The method of the programmable automation cast tube inwall airless spraying in the present embodiment the steps include:
A. at first cast tube is heated to 100～150 ° in preheating furnace;
B. modulation paint by the requirement of implementing spray paint, and is regulated viscosity by various composition ratios, when spraying required paint and be pair component, prepares by following weight ratio: A: coating, and B: curing agent, its part by weight is as follows: A: B=1: 1; After viscosity transfers to 25～40s, paint mixer and stirred 10 minutes, after paint is even, measure viscosity with the 4# paint cup again, meet viscosity and require the back standby;
C. open air compressor, pressure transfers to 5-7Kg/cm
2, according to the diameter of processing cast tube, the distribution pressure of pneumatic high-voltage plunger displacement pump is transferred to 1～4.5Kg/cm then
2, again spray pressure is transferred to 30～230Kg/cm
2, then pneumatic high-voltage plunger displacement pump and each pipeline are cleaned 10-20 minute with solvent or diluent after, according to cast tube diameter of bore size, film thickness requirement, establishment servomotor control program promptly begins to inhale the lacquer spraying.Oil spout lacquer operation control parameter sees Table 1 in the above-mentioned cast tube.
Above-mentionedly regulate viscosity in various composition ratios and be meant: when spraying required paint, can also prepare by following weight ratio: two component A for two component: coating, B: curing agent, its part by weight is as follows:
A∶B＝1∶1.2。
The servomotor control program of the foregoing description is:
The servomotor control program
Parameter is set: (entering the parameter set condition revises) sets A operator port address NA-03
Set B operator port address NB-03.
Program listing:
00J-BIT 11 10: have the IN1 key to press, jump to 10 row, dolly is gone to backward
Zero point.
01 OUT 100N: open the switch that sprays paint.
02 SPEED 15000: it is 10KHz that the F.F. movement velocity is set.
03 G-LEN 328000: dolly moves to the inside.
04 OUT 10N: open the switch that sprays paint.
05 SPEED 15000: movement velocity was 10KHz when setting was sprayed paint.
06 G-LEN 350000: the dolly that begins to spray paint moves to the tube outside.
07 OUR 100N: dolly moves to cut out behind the tube outside and sprays paint.
08 SPEED 13000: it is 10KHZ that translational speed is set.
09 G-LEN 101000: the dolly that begins to spray paint moves to outermost.
10 JUMP 14: unconditional branch is to END.
11 SPEED 5000: it is 5KHz that translational speed is set.
12 G-LEN 350000: dolly moves to the back datum mark.
13 JELAY 200: time-delay.
14 OUT 000N: close the switch that sprays paint.
15 END: EP (end of program).
Oil spout lacquer operation control parameter list 1 in the cast tube
Claims (4)
1. programmable automation cast tube inwall airless spraying system, comprise air compressor and air purifier, it is characterized in that: further comprising the pneumatic high-voltage plunger displacement pump, agitator air, high pressure filter, high pressure is coated with material conveying tube, high pressure coating pressure regulator and automatic spraying machine, air compressor connects with the air inlet of air purifier, the air inlet of air purifier gas outlet and pneumatic high-voltage plunger displacement pump, the air inlet of agitator air and the air inlet of the electromagnetic switch on the automatic spraying machine connect, the charging aperture of pneumatic high-voltage plunger displacement pump connects with agitator air, the discharging opening of pneumatic high-voltage plunger displacement pump connects with the charging aperture of high pressure filter, the discharging opening of high pressure filter connects with the import that high pressure is coated with material conveying tube, the outlet that high pressure is coated with material conveying tube connects with the charging aperture of high pressure coating pressure regulator, the discharging opening of high pressure coating pressure regulator connects with the charging aperture of high pressure nozzle on being contained in automatic spraying machine, electromagnetic switch on the automatic spraying machine is connected with automatic spray gun, and automatic spray gun connects with high pressure nozzle by carrier pipe.
2. programmable automation cast tube inwall airless spraying according to claim 1 system, it is characterized in that: described automatic spraying machine is by travelling car, servomotor, decelerator, Programmable Logic Controller, driver, switch board, automatic spray gun, electromagnetic switch, support bar, carrier pipe, high pressure nozzle and trolley track are formed, Programmable Logic Controller is located at the one side in the switch board, electromagnetic switch is located at the another side in the switch board, driver is located in the switch board, switch board is contained in the horizontal one side of travelling car, Programmable Logic Controller is connected with driver with electromagnetic switch and controls electromagnetic switch and driver, driver connects with servomotor, servomotor connects with decelerator, decelerator connects with the driving wheel of travelling car, servomotor and decelerator are contained in the postmedian of travelling car, the rear portion of carrier pipe is contained in anterior and its anterior being placed on the support bar of travelling car, automatic spray gun is contained in the rear end of carrier pipe, high pressure nozzle is contained in the front end of carrier pipe, electromagnetic switch is connected with automatic spray gun and controls automatic spray gun, travelling car is located on the trolley track, and support bar is located at the trolley track front portion.
3. method of using paint finishing as claimed in claim 1 or 2 to carry out the airless spraying of programmable automation cast tube inwall, it is characterized in that: the step of this airless spraying is:
A. at first cast tube is heated to 100～150 ℃ in preheating furnace;
B. modulation is painted, and by the requirement of implementing spray paint, and in various composition ratios adjusting viscosity, after viscosity transfers to 25～40s, paints mixer and stirs 10 minutes, after paint is even, uses 4 again
#Paint cup is measured viscosity, meets viscosity and requires the back standby;
C. open air compressor, pressure transfers to 5-7Kg/cm
2, according to the diameter of processing cast tube, the distribution pressure of pneumatic high-voltage plunger displacement pump is transferred to 1～4.5Kg/cm then
2, again spray pressure is transferred to 30～230Kg/cm
2, then pneumatic high-voltage plunger displacement pump and each pipeline are cleaned 10-20 minute with solvent or diluent after, according to cast tube diameter of bore size, film thickness requirement, establishment servomotor control program promptly begins to inhale the lacquer spraying.
4. the method for a kind of programmable automation cast tube inwall according to claim 3 airless spraying, it is characterized in that: describedly regulate viscosity in various composition ratios and be meant: when spraying required paint for two component, prepare by following weight ratio, two component A: coating, B: curing agent, its part by weight is as follows:
A: B=1: 1 or 1: 1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100758526A CN101703982B (en) | 2009-10-27 | 2009-10-27 | Airless spraying system and method of inner wall of program-controlled automatic cast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100758526A CN101703982B (en) | 2009-10-27 | 2009-10-27 | Airless spraying system and method of inner wall of program-controlled automatic cast pipe |
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| CN101703982A CN101703982A (en) | 2010-05-12 |
| CN101703982B true CN101703982B (en) | 2011-11-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101920239A (en) * | 2010-07-13 | 2010-12-22 | 上海沪能防腐隔热工程技术有限公司 | Paint spraying machine for inner wall of steel pipe |
| CN102500514A (en) * | 2011-10-24 | 2012-06-20 | 天津鹏翎胶管股份有限公司 | Rubber tube inner wall port oiling equipment and operation method |
| CN104121432B (en) * | 2014-07-04 | 2016-04-13 | 华中科技大学 | A kind of ultra high water pressure regulating method and device thereof |
| CN106269365A (en) * | 2016-09-30 | 2017-01-04 | 汤荣图博可特（山西）石油管道涂层有限公司 | Oil pipes road spraying equipment |
| CN106238283B (en) * | 2016-09-30 | 2019-12-27 | 科澳特石油工程技术有限公司 | Special petroleum pipeline coating recovery device |
| CN106670085B (en) * | 2016-12-26 | 2019-10-11 | 重庆市永川区泰兴机械厂 | Pipe internal coating spraying method |
| CN108940681A (en) * | 2018-10-13 | 2018-12-07 | 南京吉目希自动化科技有限公司 | A kind of spray robot work station |
| CN114054315A (en) * | 2021-12-06 | 2022-02-18 | 雷沃工程机械集团有限公司 | Water-based paint coating process method for excavator structural part |
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2009
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Patent Citations (5)
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| GB2162770A (en) * | 1984-08-08 | 1986-02-12 | Bl Tech Ltd | A flow control system |
| CN2422062Y (en) * | 2000-05-25 | 2001-03-07 | 苏州通力机械厂 | Automatic glueing device for tube wall |
| CN2754733Y (en) * | 2004-06-07 | 2006-02-01 | 河北科技大学 | Sand coating centrifugal sprayer in pipe internal wall |
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Non-Patent Citations (1)
| Title |
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| JP特开2005-13782A 2005.01.20 |
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Owner name: YUNCHENG CITY JIANGXIAN COUNTY DEVELOPMENT ZONE HE Free format text: FORMER OWNER: HENGTONG CASTING LIMITED CORPORATION IN QUWO COUNTY Effective date: 20150104 |
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Free format text: CORRECT: ADDRESS; FROM: 043400 LINFEN, SHAANXI PROVINCE TO: 043606 YUNCHENG, SHAANXI PROVINCE |
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Effective date of registration: 20150104 Address after: 043606 Shanxi province Yuncheng City Development Zone in the town of Yao Jiang County Patentee after: Hengtong Jiang County Development Zone of Yuncheng City Casting Co. Ltd. Address before: 043400 No. 88 Dayun Road, Chengxi, Quwo County, Shanxi, Linfen Patentee before: Hengtong Casting Limited Corporation in Quwo County |
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Address after: 043600 Moli Town, Jiangxian Development Zone, Yuncheng City, Shanxi Province (Hongshan Machinery Factory) Patentee after: Jiangxian Hengtong Casting Co.,Ltd. Address before: 043606 Moli Town, Jiangxian Development Zone, Yuncheng City, Shanxi Province Patentee before: YUNCHENG JIANGXIAN ECONOMIC DEVELOPMENT ZONE HENGTONG CASTING CO.,LTD. |
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