CN1480387A - Stepping method for painting dressing outside of shipping containers - Google Patents
Stepping method for painting dressing outside of shipping containers Download PDFInfo
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- CN1480387A CN1480387A CNA031398782A CN03139878A CN1480387A CN 1480387 A CN1480387 A CN 1480387A CN A031398782 A CNA031398782 A CN A031398782A CN 03139878 A CN03139878 A CN 03139878A CN 1480387 A CN1480387 A CN 1480387A
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- container
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Abstract
A step coating method for coating the anticorrosion layer on external surface of container features that when a gantry traveller is used for spray working, the step intermittent spraying instead of continuous spray is performed. Its advantages are uniform coated layer and high quality.
Description
Technical field
What the present invention relates to is coating process, especially a kind of outer coating process of step wise container that is applicable to the spraying of container body outer wall anticorrosive paint.
Technical background
At present, freight container is made the anticorrosion coating of enterprise to the container surface, normally paints at the tank surface anticorrosion with painting.Its concrete grammar is: a plurality of spray guns of automatic sprayer are installed in one by reciprocating engine respectively can be along on two heel posts and top cross-bar of the door frame driving of two rail runnings.The spray gun that is arranged on door frame driving both sides can be along two heel post up-and-down movements, and the spray gun that is arranged on door frame driving top can be along the crossbeam side-to-side movement.During spraying operation, the static door frame that is placed in two tracks of freight container is driven a vehicle between two columns.The door frame driving of crossing over freight container can be along operation before and after the track, when spraying operation begins, door frame driving from an end of freight container when the other end runs without interruption, be arranged on door frame drive a vehicle on two columns spray gun from bottom to top, from top to down then, the spray gun that is arranged on the top from a left side and the right side then to a right and left side, going round and beginning again sprays while move.The spraying profile that spray gun forms on freight container is " it " font.This spraying method of using container surface for many years that prolonged; though can finish the spraying of tank surface antifouling paint; but its coating degree of uniformity is relatively poor; the trajectory analysis that moves at freight container from spray gun as can be known; " it " font spraying profile can cause the casing part surface to repeat to spray 4 times, and the position that has only is sprayed onto 2 times.Blocked up coating has increased the consumption of coating, and thin excessively coating can make the freight container metal surface expose, and causes casing to get rusty, and influences the quality of container surface.If the spacing distance of spray gun is advanced with door frame and the spray gun reciprocating engine between cooperate badly, the inhomogeneous meeting of the coating that causes is bigger.According to producer's measuring and calculating that the outer flush coater of container is installed, the difference of existing coating process coating is 30 ~ 50 μ.Incomplete statistics, existing container surface coating process, it is nearly 25% that every freight container outside paint has been used more, caused the increase of freight container manufacturing cost.
Summary of the invention
The objective of the invention is deficiency, provide the uniform step wise container of a kind of coating outer coating process at above-mentioned container body spraying existence.
The outer coating process of step wise container of the present invention is: not changing the door frame spray gun mode of operation of side-to-side movement on the crank motion and top cross-bar of driving a vehicle on two heel posts, the continuous running of door frame driving when implementing spraying operation changed into the stepping intermitten service; Be that door frame advances to when freight container is initial to spray paint; stop to advance; open spray gun and begin spraying operation; make spray gun under the situation that does not laterally move; the freight container both side surface is carried out from bottom to top or from bottom to top, container top is carried out from a left side and right or from a right and spraying left side; after finishing a circulation; both sides and top reciprocating engine are shut down; open and stop after the door frame driving moves to first spraying position that staggers; open both sides again and the top reciprocating engine carries out next spraying operation to container surface; go round and begin again, until the spraying of finishing whole freight container.
The principle of design of the outer coating process of step wise container of the present invention is: the prior art spray gun is sprayed on container surface formed " it " font spraying profile with the door frame driving while walking, changing into door frame driving interruption advances, make spray gun carry out spraying operation to container surface under door frame driving halted state, the spraying profile that forms at container surface is " || | " shape.Avoided prior art " it " font spraying profile to cause the application surface repeated to spray or leaked spray and the paint coating that causes is inhomogeneous, reach container body surface anticorrosion coating evenly, improve coating quality; Reduce the coating consumption, the goal of the invention that reduces production costs.
Coating process is compared with the prior art outside the step wise container of the present invention:
Prior art is to the outer application test of container, and spray gun is " it " font to the spraying profile of container surface:
Measure the place: the finish paint room;
Institute's spray freight container: 40 ' standard container;
Measuring position: casing biside plate finish paint;
Read both sides gun oil lacquer hydraulic coupling: 100KG/CM from regulator board
2
Used nozzle model: GRACO 221-619 type (flow is 1.47L/MIN);
The automatic sprayer spray biside plate time: 3 minutes 41 seconds 53 (reciprocating engine sprays up and down 74 times altogether at this moment);
Side spray gun oscillation cycle: 6 seconds;
The side spray gun one-stroke opening time: 2 seconds 25;
The every case paint of biside plate consumption: 16.32L;
(above data are the aviation value of repeatedly measuring)
Calculate the finish paint amount of paint that each freight container biside plate face need be used: 9.75L (theoretical value of not having waste fully) by theory;
Actual in lacquer amount/theory lacquer amount=16.32/9.75=1.674;
This result show actual paint amount ratio theoretical calculate want many 67%, this wherein has several factors to cause the many usefulness of paint, but since the inhomogeneous paint consumption that causes of spraying increase, according to measuring and calculating greatly about about 16-25%.
Another of prior art time field survey, its result is as follows:
Measure the place: middle japanning room;
Institute's spray box type: 40 ' standard container;
Spray the position: two side plate intermediate coats;
Used nozzle: GRACO 221-617 type (Q=1.17L/MIN);
Every case sprays paint the time: 3 minutes 32 seconds 45;
Every case amount of painting: 12.76L;
By theoretical paint consumption: the 6.5L that calculates;
Actual amount/theoretical consumption=12.76/6.5=1.96;
The outer coating process field test result of step wise container of the present invention: design conditions:
1, is example with 40 ' standard container, calculates the paint consumption of intermediate coat and finish paint spray box biside plate respectively.
2, the nozzle intermediate coat is 817 types, finish paint is 819 types, (its unit flow is identical with 617 and 619 nozzles) both sides are adorned 8 auto spray painting rifles altogether, four one sides wherein, total fabric width of spray gun is 1600MM, stepping length is 800MM, the step-length reciprocating engine is upper and lower makes a round trip for each, like this, the actual paint that sprayed four times in each side of freight container, the homogeneity of its paint film is better.
3, the spray gun moving velocity is 1.13M/S with existing the same with lacquer spray machine.
4, the stepping spraying is total to upper and lower respectively the spray 15 times 40 ' case, and the actual time of spraying paint is 69 seconds.
As calculated: the intermediate coat consumption is Q=10.76L;
The finish paint consumption is Q=13.52L;
The ratio of its existing spraying method and step wise spraying method:
Intermediate coat: 12.76/10.76=1.186;
Finish paint: 16.32/13.52=1.207;
From result of calculation, two kinds of paint all can be saved about 20%, and this is the data that obtain under the time situation of spraying paint on an equal basis, and in fact, owing to spray by step-by-step system, the homogeneity of its paint film improves, if the spray gun shooting time suitably reduces again.Its paint consumption can also reduce.
The outer coating process science of step wise container of the present invention, this method are on the basis that does not change existing container facility, and the mode of advancing that only changes the door frame driving can realize that it implements convenient feasible.The outer coating process of this step wise container is fit to existing each freight container manufacturing merchant's the outer application of case.It not only can improve the freight container product design, also can reduce manufacturing cost greatly, can increase the outer application new mode of container of economic benefit again.
The concrete grammar of the outer application of step wise container of the present invention is provided in detail by following examples.
The specific embodiment
Embodiment: the concrete grammar of the outer application of step wise container is: the static door frame that is placed in two tracks of freight container is driven a vehicle between two columns; Open the door frame initial position parking of spraying paint of freight container of walking; Start and to be arranged on the door frame reciprocating engine on the reciprocating engine and top cross-bar on two heel posts of driving a vehicle, make the spray gun that is arranged on the reciprocating engine from lower dead point along upwards walking of column, the spray gun at top is walked to the right along crossbeam from left dead point; When spray paint in the left side that the spray gun on two heel posts is upwards gone to when spraying paint under the freight container, the spray gun at top is gone to freight container to the right, all spray guns are opened, the spray gun that door frame is driven a vehicle on two heel posts carries out spray painting operation while moving up to container surface, and the spray gun at top carries out spray painting operation while moving right to the freight container end face; When spray paint in the right side that the spray gun on two heel posts is upwards gone to when spraying paint on the freight container, the spray gun at top is gone to freight container to the right, close all spray guns and stop spray painting operation; This moment, door frame drove a vehicle that spray gun on two heel posts continues to move up, the spray gun at top continues to move right, and the both sides spray gun moves to that the after top dead center tune moves down, top lance reverses end for end to be moved to the left after moving to right dead point; When the both sides spray gun moves to when spraying paint, when top lance moves to the right side and sprays paint, all spray guns are opened, the spray gun that door frame is driven a vehicle on two heel posts carries out two road spray painting operations while moving down to container surface, and the spray gun at top carries out two road spray painting operations while being moved to the left to the freight container end face; When spray paint in the left side that the spray gun on two heel posts is gone to when spraying paint under the freight container downwards, the spray gun at top is gone to freight container left; close all spray guns and stop spray painting operation; finishing the upper and lower operation of spray gun sprayed paint after a week; both sides and top reciprocating engine are shut down; the driving of unlatching door frame moves forward the distance back parking that can stagger the first row covering with paint width; both sides and the operation of top reciprocating engine; begin freight container is carried out the spraying of second line width; so go round and begin again, until the spraying of finishing whole container surface.
Claims (1)
1, the outer coating process of a kind of step wise container is: not changing the door frame spray gun mode of operation of side-to-side movement on the crank motion and top cross-bar of driving a vehicle on two heel posts, the continuous running of door frame driving when implementing spraying operation changed into the stepping intermitten service; Be that door frame advances to when freight container is initial to spray paint; stop to advance; open spray gun and begin spraying operation; make spray gun under the situation that does not laterally move; the freight container both side surface is carried out from bottom to top or from bottom to top, container top is carried out from a left side and right or from a right and spraying left side; after finishing a circulation; both sides and top reciprocating engine are shut down; open and stop after the door frame driving moves to first spraying position that staggers; open both sides again and the top reciprocating engine carries out next spraying operation to container surface; go round and begin again, until the spraying of finishing whole freight container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031398782A CN1480387A (en) | 2003-07-16 | 2003-07-16 | Stepping method for painting dressing outside of shipping containers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031398782A CN1480387A (en) | 2003-07-16 | 2003-07-16 | Stepping method for painting dressing outside of shipping containers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1480387A true CN1480387A (en) | 2004-03-10 |
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ID=34155136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031398782A Pending CN1480387A (en) | 2003-07-16 | 2003-07-16 | Stepping method for painting dressing outside of shipping containers |
Country Status (1)
| Country | Link |
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| CN (1) | CN1480387A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104163B (en) * | 2006-07-14 | 2010-05-12 | 中国国际海运集装箱(集团)股份有限公司 | Container outside paint spraying system |
| CN101204693B (en) * | 2006-12-18 | 2010-08-11 | 中国国际海运集装箱(集团)股份有限公司 | Spray device, system and method of using it on spray container pallet part |
-
2003
- 2003-07-16 CN CNA031398782A patent/CN1480387A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101104163B (en) * | 2006-07-14 | 2010-05-12 | 中国国际海运集装箱(集团)股份有限公司 | Container outside paint spraying system |
| CN101204693B (en) * | 2006-12-18 | 2010-08-11 | 中国国际海运集装箱(集团)股份有限公司 | Spray device, system and method of using it on spray container pallet part |
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