CN1580678A - Drying oven for coating - Google Patents
Drying oven for coating Download PDFInfo
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- CN1580678A CN1580678A CN 200410070565 CN200410070565A CN1580678A CN 1580678 A CN1580678 A CN 1580678A CN 200410070565 CN200410070565 CN 200410070565 CN 200410070565 A CN200410070565 A CN 200410070565A CN 1580678 A CN1580678 A CN 1580678A
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- 238000001035 drying Methods 0.000 title claims abstract description 86
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 238000000576 coating method Methods 0.000 title claims abstract description 64
- 239000000428 dust Substances 0.000 claims description 15
- 230000005764 inhibitory process Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 abstract description 7
- 239000011295 pitch Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Coating Apparatus (AREA)
Abstract
Provided is a coating drying furnace with a short drying time, capable of easily feeding hot air between works each other and making difference of temperatures at respective parts of the works small. In the coating drying furnace 1, a plurality of works Wa-Wd arranged in a conveying direction with every predetermined gap are advanced and stopped by every predetermined pitches to dry the works Wa-Wd. This coating drying furnace 1 is provided with a drying chamber 20 conveying the works Wa-Wd; blowing out ports 30a-30e provided at upper positions than the works Wa-Wd in the drying chamber 20 and blowing out hot air; and suction ports 40a-40d provided at lower positions than the works Wa-Wd in the drying chamber 20 and sucking the hot air blown out from the blowing ports 30a-30e. The blowing ports 30a-30e are arranged at a work stop position where the works Wa-Wd are stopped so as to be interposed between the mutually adjacent works Wa-Wd.
Description
Technical field
The present invention relates to make for example drying oven for coating of coated object drying such as automobile body.
Background technology
In patent documentation 1, introducing has the drying oven for coating that offers blow-off outlet (air outlet) along the side of hothouse.In the hothouse of the drying oven for coating that the document is put down in writing, be equipped with ground conveyor (floor conveyor).Workpiece is loaded on this ground conveyor and transports (conveyance) in hothouse.In the bottom, two sides of hothouse, offer a pair of blow-off outlet that blows out hot blast.Blow-off outlet is extended along carriage direction to be provided with.
, when blow-off outlet is configured in the hothouse bottom, then can cause to be deposited in ground dust and to fly upward owing to the air-flow of hot blast.If the dust that flies upward adheres on the workpiece of wet condition, just become a bad reason of application.This point, disclosed as long as blow-off outlet is configured in the purpose of flying upward that hothouse top just can suppress dust in patent documentation 2 just.
[patent documentation 1] spy opens the 2000-70822 communique
[patent documentation 2] spy opens flat 4-166251 communique
Summary of the invention
Therefore, if in the drying oven for coating of patent documentation 1, use the public technology of patent documentation 2,, then can suppress flying upward of dust if promptly blow-off outlet is configured in hothouse top.But the workpiece carriage direction of ground conveyor and the blow-off direction of hot blast are vertical substantially.And workpiece is driven by ground conveyor all the time.Therefore, at adjacent workpiece each other, supply with comparatively difficulty of hot blast.
In addition, not enter workpiece situation each other opposite with hot blast, only has over against the sidepiece of the workpiece of blow-off outlet to overheat.Therefore, on each position of workpiece, can produce temperature difference.Thereby, just one-piece machine member must be remained in the hothouse, till the temperature at the position that heat is difficult for being delivered to most is raised to set point of temperature.That is, drying time is elongated.In addition, during the temperature at the position that heat is difficult for being delivered to most is raised to set point of temperature, can cause the temperature at the position that thermal capacitance easily is delivered to become too high.Therefore, will become a bad reason of application.
Drying oven for coating of the present invention is finished in view of the above problems.Therefore, the present invention, its purpose is to provide a kind of can more easily supply with hot blast each other at workpiece, and drying time is short, the little drying oven for coating of temperature difference on each position of workpiece.
(1) in order to address the above problem, drying oven for coating of the present invention, be to make along the conveyance direction to advance with prescribed distance with a plurality of workpiece of predetermined distance arrangement at every turn, stop and this workpiece carried out the drying oven for coating of drying, it is characterized in that, possessing this workpiece can be therein by the hothouse of conveyance, in this hothouse, be opened in this workpiece more above the blow-off outlet that blows out hot blast, with in this hothouse, be opened in this workpiece more below the suction inlet of this hot blast of blowing out from this blow-off outlet of suction, aforementioned blow-off outlet is configured to, on the workpiece stop position that said workpiece stops, each other between this adjacent workpiece.
A plurality of workpiece are arranged with predetermined distance along transporting (conveyance) direction.These workpiece by the action that repeats to advance, stop with prescribed distance, and are transported in hothouse.Drying oven for coating of the present invention on the workpiece stop position that workpiece stops, disposing blow-off outlet to come adjacent this workpiece mode each other.In other words, the prescribed distance every workpiece is advanced just disposes blow-off outlet in hothouse.
According to drying oven for coating of the present invention, dispose blow-off outlet each other at the workpiece that stops.Therefore, also can more easily supply with hot blast each other at workpiece.In addition, because can easier supply with hot blast each other, so on workpiece, be difficult for producing the extremely low position of temperature at workpiece.Therefore, shorten drying time.In other words, the furnace superintendent of drying oven shortens.Particularly because the heating-up time (workpiece being warmed up to the time of the maintenance temperature of regulation) shorten, so can suppress application current mark (Tu dress ダ レ) etc. the application undesirable condition.In addition, because hot blast is blown over each position of workpiece, so the temperature difference on each position of workpiece diminishes.Even in this point, also be difficult for taking place the application undesirable condition.In addition,, thereunder dispose suction inlet, be difficult for flying upward so be deposited in the certain tool of the dust on hothouse ground because above workpiece, dispose blow-off outlet.Even in this point, also be difficult for taking place the application undesirable condition.
(2) preferably its formation is preferably, aforementioned suction inlet be configured on the said workpiece stop position relative with the bottom central part of said workpiece to.The workpiece bottom is distant apart from blow-off outlet.Therefore be difficult for heating up.In view of this point, in this formation, relative with the bottom central part of workpiece to the position on, dispose suction inlet.According to this formation, the hot blast in the hothouse can be concentrated towards the workpiece bottom central portion and flow into.Therefore, heat up easily in the workpiece bottom.Thereby, can reduce bottom the workpiece and the temperature difference at other positions of workpiece.In addition, be under the situation of workpiece of bottom at the position that heat is difficult for being delivered to most, can shorten drying time.
(3) preferably its formation is preferably, and in the formation of above-mentioned (2), the shape of aforementioned suction inlet is similar to the shape of said workpiece bottom surface.According to this formation, can correct unevenness at the flow velocity of the hot blast of workpiece bottom current downflow.Therefore, the temperature difference on each position of workpiece bottom diminishes.
(4) preferably its formation is preferably, and near aforementioned suction inlet, disposes and suppresses the dust inhibition parts that dust sucks.According to this formation, can suppress to suck dust from suction inlet.Thereby, can guarantee the spatter property of the equipment that is communicated with the suction inlet downstream.
(5) preferably its formation is preferably, and said workpiece is the automobile body that is laterally transported by the edge with respect to aforementioned carriage direction.When with automobile body when laterally transporting, can shorten hothouse to transport route long.
With automobile body under the situation of laterally transporting, at adjacent automobile body each other, the bigger parts of hood or covering for roofs homalographic with regard to adjacent must be tightr.Therefore, adjacent automobile body narrow gaps each other.Therefore, compare, be difficult to enter between the adjacent automobile body from the hot blast of blow-off outlet with the situation that automobile body is longitudinally transported.
This point, if according to drying oven for coating of the present invention, can aim at adjacent automobile body each other close clearance and dispose blow-off outlet.Thus, drying oven for coating of the present invention is particularly suitable for using on the automobile body that laterally transports.
(6) in addition, for solving above-mentioned problem, drying oven for coating of the present invention, be to make along carriage direction to advance with prescribed distance with a plurality of workpiece of predetermined distance arrangement at every turn, stop and this workpiece carried out the drying oven for coating of drying, it is characterized in that, possesses the hothouse that this workpiece can be transported therein, in this hothouse, be opened in this workpiece more above the blow-off outlet that blows out hot blast, in this hothouse, be opened in this workpiece more below the suction inlet of this hot blast of blowing out from this blow-off outlet of suction, aforementioned suction inlet is configured to, on the said workpiece stop position, relative with the bottom central part of said workpiece to, the shape of this suction inlet, similar to the shape of the bottom surface of this workpiece.
According to drying oven for coating of the present invention, with stop after the bottom central part of workpiece relative to mode dispose suction inlet.Therefore, the hot blast in the hothouse can be concentrated towards the workpiece bottom central portion and flow into.That is, in hothouse, be formed with from blow-off outlet and pass the hot blast stream that adjacent workpiece arrives near the suction inlet the workpiece bottom central portion each other.Thereby, no matter the position of blow-off outlet how, can both more easily guide to adjacent workpiece each other with hot blast.In addition, reach the workpiece bottom each other because can more easily hot blast be guided to workpiece, so also heat up easily bottom the workpiece that is difficult to heat up away from blow-off outlet.In other words, on workpiece, be difficult for producing the extremely low position of temperature.Therefore, shorten drying time.In addition, the furnace superintendent of drying oven shortens.Particularly because the heating-up time shorten, so can suppress application undesirable condition such as application thawing.
And, the shape of blow-off outlet, similar to the shape of the bottom surface of workpiece.Therefore, can correct unevenness at the flow velocity of the hot blast of workpiece bottom current downflow.Thereby the temperature difference on each position of workpiece bottom diminishes.In addition, because the place above more leaning on than workpiece disposes blow-off outlet, the place below more leaning on than workpiece disposes suction inlet, so, be deposited in the ground dust of hothouse and just be difficult for certainly flying upward.Even in this, also be difficult for taking place the application undesirable condition.
According to the present invention, can provide a kind of and can more easily supply with each other at workpiece that hot blast, drying time are short, the little drying oven for coating of temperature difference on each position of workpiece.
Description of drawings
Fig. 1 is the furnace superintendent direction partial sectional view of the drying oven for coating of first embodiment.
Fig. 2 is the I-I cutaway view of Fig. 1.
Fig. 3 is the stove cross direction cutaway view of the drying oven for coating of second embodiment.
Fig. 4 is the furnace superintendent direction partial sectional view of comparative example.
Fig. 5 is the II-II cutaway view of Fig. 4.
Fig. 6 is the curve map of expression intensification analog result.
Label declaration
1 drying oven for coating
2 shells
20 hothouses
3 blow out chamber enclosure
30a～30e blow-off outlet
31 blow out the chamber
32a～32e blows out nozzle
4 suction chamber shells
40a～40d suction inlet
400b dust-proof umbrella (dust inhibition parts)
41 suction chambers
5 conveyers
7 filters
8 burners
9 fans
The stove cross direction width of A1 automobile body bottom surface
The stove cross direction width of A2 suction inlet
The furnace superintendent direction width of B1 automobile body bottom surface
The furnace superintendent direction width of B2 suction inlet
Wa～Wb automobile body
The specific embodiment
Below, describe drying oven for coating of the present invention being used the embodiment in the drying process behind primer painting.Drying process comprise automobile body is warmed up to the heating process that keeps temperature and will heat up after automobile body with the maintenance engineering of constant maintenance temperature maintenance stipulated time.Below shown in the drying oven for coating of embodiment, all be used in the heating process.
(1) first embodiment
At first, the formation to the drying oven for coating of present embodiment describes.Fig. 1 represents the furnace superintendent direction partial sectional view of the drying oven for coating of present embodiment.The I-I cutaway view of Fig. 2 presentation graphs 1.In addition, represented in these figure is state in workpiece (automobile body) rest position.
Drying oven for coating 1 possesses shell 2, blows out (air-supply) chamber enclosure 3, suction chamber shell 4 and conveyer 5.Shell 2 is for iron and steel system and be the square tube shape that extends along carriage direction (furnace superintendent direction).Shell 2 has the liner (figure slightly) of adiabatic material.In the inside of shell 2, mark off hothouse 20.
Suction chamber shell 4 is for iron and steel system and be the square tube shape that extends along the furnace superintendent direction.Suction chamber shell 4 is configured in substantial middle above the diapire of shell 2.In the inside of suction chamber shell 4, mark off suction chamber 41.At the upper wall of suction chamber shell 4,, offer suction inlet 40a, 40b, 40c, the 40d of rectangle every predetermined distance (every prescribed distance L).By suction inlet 40a, 40b, 40c, 40d, suction chamber 41 and hothouse 20 are communicated with.Moreover, the stove cross direction width A2 of the furnace superintendent direction width B 2 of suction inlet 40b, the furnace superintendent direction width B 1 of automobile body Wb bottom surface, suction inlet 40b and the stove cross direction width of automobile body Wb bottom surface (width that wheel proloculum ( イ ヤ Ha ウ ス) is inboard) A1 has the relation of A1/B1=A2/B2.That is, the aspect ratio of suction inlet 40b is consistent with the aspect ratio of automobile body Wb bottom surface.In addition, suction inlet 40b is relative with the middle body of automobile body Wb bottom surface and dispose.Moreover the relation of suction inlet beyond the suction inlet 40b and the automobile body bottom surface relative with this each suction inlet too.
Conveyer (conveyer) 5 on the diapire of shell 2, clips suction chamber shell 4 and is configured in stove cross direction both sides.Conveyer 5 is cinefilm and shows away web-like ground, and a plurality of automobile body Wa, Wb, Wc, the Wd that arrange with the predetermined distance prescribed distance L that at every turn advances is stopped then.
Blow out chamber enclosure 3 for iron and steel system and be the square tube shape that extends along the furnace superintendent direction.Blow out the inner face top, two side that chamber enclosure 3 is configured in shell 2.That is, blow out chamber enclosure 3, on the stove cross direction, dispose two altogether to ground relatively.Go out to blow out (air-supply) chamber 31 in the internal separation that blows out chamber enclosure 3.From the sidewall that blows out chamber enclosure 3 to hothouse 20 outstanding be provided with the square tube shape blow out (air-supply) nozzle 32a, 32b, 32c, 32d, 32e.Blow out nozzle 32a, 32b, 32c, 32d, 32e is disposed with prescribed distance L.Blow out spray nozzle front end at each, offer and blow out (air-supply) mouthful 30a, 3 0b, 30c, 30d, 30e.By blow-off outlet 30a, 30b, 30c, 30d, 30e, blow out chamber 31 and hothouse 20 connections.As shown in Figure 2, in the downstream of suction chamber 41, be connected with filter 7, burner 8, fan 9.And, in the downstream of fan 9, connecting suction chamber 31.
Secondly, the action to the drying oven for coating of present embodiment describes.Automobile body Wa, Wb, Wc, Wd are loaded on the conveyer 5, and advance with prescribed distance L.Then, on earlier figures 1, workpiece stop position shown in Figure 2, stop the stipulated time.Blow-off outlet 30a, 30b, 30c, 30d, 30e are configured between each adjacent automobile body each other.
Below, as an example, the action of the hot blast that blows out from blow-off outlet 30b is described.Blow-off outlet 30b is configured between the automobile body Wb in the automobile body Wa of upstream side and downstream.Therefore, the hot blast from blow-off outlet 30b blows out shown in figure hollow core arrow, can not hindered by the hood of automobile body Wa, Wb and covering for roofs, can flow down along the gap between automobile body Wa sidepiece and the automobile body Wb.As previously mentioned, suction inlet 40a relative with the bottom central part of automobile body Wa to and offer.Equally, suction inlet 40b relative with the bottom central part of automobile body Wb to and offer.Therefore, the hot blast that flows down in hothouse 20 bottoms, is split into the air-flow of suction inlet 40a direction and the air-flow of suction inlet 40b direction.Wherein, the air-flow of suction inlet 40a direction flows along automobile body Wa bottom surface, is inhaled into mouthful 40a and sucks.Moreover this air-flow converges with the hot blast that blows out from blow-off outlet 30a near suction inlet 40a.Equally, the air-flow of suction inlet 40b direction flows along automobile body Wb bottom surface, is inhaled into mouthful 40b and sucks.This air-flow converges with the hot blast that blows out from blow-off outlet 30c near suction inlet 40b.
Flow into the hot blast the suction chamber 41 from each suction inlet 40a, 40b, 40c, 40d, filter, heat, supply with to blowing out chamber 31 by fan 9 by burner 8 by filter 7.Then, this hot blast is blown out in the hothouse 20 from blow-off outlet 30a, 30b, 30c, 30d, 30e once more.
Then, the effect to the drying oven for coating of present embodiment exemplifies automobile body Wa, Wb and describes.According to the drying oven for coating 1 of present embodiment, dispose blow-off outlet 30b between automobile body Wa, the Wb after stopping.Therefore, between automobile body Wa, Wb, just can more easily supply with hot blast.In addition, because between automobile body Wa, Wb, can more easily supply with hot blast, so on automobile body Wa, Wb, just be difficult for producing the extremely low position of temperature.Therefore, drying time, (heating-up time+retention time) shortened.That is, furnace superintendent shortens.Particularly because the heating-up time shorten, so can suppress application undesirable condition such as application current mark.
In addition, according to the drying oven for coating 1 of present embodiment, hot blast spreads all over each position of automobile body Wa, Wb.Therefore, the temperature difference on each position of automobile body Wa, Wb diminishes.Even in this point, also be difficult for taking place the application undesirable condition.
In addition, according to the drying oven for coating 1 of present embodiment, automobile body Wa, Wb more above dispose blow-off outlet 30a, 30b, 30c, dispose suction inlet 40a, 40b at it below more.Therefore, being deposited in hothouse 20 ground dust just is difficult for flying upward certainly.Even in this point, also be difficult for taking place the application undesirable condition.
In addition, according to the drying oven for coating 1 of present embodiment, on the workpiece stop position, it is relative with the bottom central part of automobile body Wa that suction inlet 40a is configured to.Equally, suction inlet 40b is configured to relative with the bottom central part of automobile body Wb.Therefore, hot blast is concentrated towards automobile body Wa, Wb bottom central part and is flowed into.In addition, the bottom of automobile body Wa, Wb, the thickness of slab of comparing with side plate and covering for roofs is thicker.Therefore, heat just is difficult for being passed on the bottom.In this point,, heated up in automobile body Wa, the Wb bottom that is difficult for heating up as if drying oven for coating 1 according to present embodiment.Therefore, can dwindle the temperature difference at automobile body Wa, Wb bottom and automobile body Wa, other positions of Wb.In addition, drying time can be shortened.
In addition, according to the drying oven for coating 1 of present embodiment, the shape of suction inlet 40b is similar with the shape of automobile body Wb bottom surface.Therefore, can correct the unevenness of the flow velocity of the hot blast under the automobile body Wb bottom surface of flowing through.Thereby the temperature difference on each position of automobile body Wb bottom diminishes.
In addition, because automobile body Wa, Wb are along laterally being transported, so the furnace superintendent of the drying oven for coating 1 of present embodiment is shorter.In addition, when laterally transport on the edge, the gap turn narrow between adjacent automobile body Wa, Wb.But according to the drying oven for coating 1 of present embodiment, the close clearance of aiming between foregoing adjacent automobile body Wa, Wb disposes blow-off outlet 30b.Therefore, although along laterally transporting, also can make automobile body Wa, Wb promptly dry.
(2) second embodiments
The difference of the present embodiment and first embodiment is to dispose the dedusting umbrella on all suction inlets.Therefore, only difference is described at this.
Fig. 3 represents the stove cross direction cutaway view of the drying oven for coating of present embodiment.In addition, for representing with identical label with the corresponding position of Fig. 2.As shown in the figure, on suction chamber shell 4 upper walls, dispose steely cone shape dust-proof umbrella 400b.Dust-proof umbrella 400b is suppressed parts by dust of the present invention and contains.Dust-proof umbrella 400b covers suction inlet 40b and is configured.By the opening of dust-proof umbrella 400b side perimembranous, hot blast flows into to suction chamber 41 from hothouse 20.That is, hot blast can not flow into suction chamber 41 from dust-proof umbrella 400b top.Moreover, on the suction inlet beyond the suction inlet 40b, also dispose same dust-proof umbrella.
The drying oven for coating 1 of present embodiment has the effect the same with the drying oven for coating of first embodiment.In addition, according to the drying oven for coating 1 of present embodiment, can prevent that dust from falling, flowing into the suction inlet 40b from the top.Therefore, the filtration of the filter 7 in suction chamber 41 downstreams load diminishes.
(3) other
Above, the embodiment of drying oven for coating of the present invention is illustrated.But embodiment is not defined in aforesaid way especially.Also the mode of the various distortion that can carry out with affiliated technical field personnel, the mode of improvement are implemented.
For example, also can on suction inlet, dispose the gate of slidingtype.So, just can change the suction inlet shape according to the shape of workpiece bottom by changing gatage.That is, can dispose similar suction inlet according to the shape of various workpieces.
In addition, in the drying oven for coating of above-mentioned embodiment, that automobile body is along laterally transporting, still also vertical certainly.In addition, in the above-described embodiment, drying oven for coating of the present invention is used in the drying process behind primer painting, but also can use after the application of intermediate layer, in the drying process after the finish paint application.
In drying oven for coating of the present invention, carried out the simulation that heats up.The result is as follows.
(1) embodiment, comparative example
＜comparative example 〉
Fig. 4 represents the furnace superintendent direction partial sectional view of drying oven for coating in the past as a comparative example.In addition, the II-II cutaway view of Fig. 5 presentation graphs 4.In addition, for representing with identical label with the corresponding position of Fig. 1, Fig. 2.As shown in the figure, blow-off outlet 30 is disposed with predetermined distance along the furnace superintendent direction.On the other hand, suction inlet 40, whole the ground of cardinal principle that is spreaded all over hothouse 20 bottom surfaces disposes with predetermined distance.
＜embodiment 1 〉
The drying oven for coating of embodiment 1 on the basis of the drying oven for coating (Fig. 4, Fig. 5) of comparative example, will blow out nozzle 32, blow-off outlet 30, as described above the drying oven for coating of first embodiment (Fig. 1,
Fig. 2) such, be configured between the adjacent automobile body.Other is identical with comparative example.
＜embodiment 2 〉
The drying oven for coating of embodiment 2, on the basis of the drying oven for coating (Fig. 4, Fig. 5) of comparative example, with suction inlet 40, the drying oven for coating of first embodiment (Fig. 1, Fig. 2) is such as described above, is configured in the automobile body bottom central part.And,, make similar to the automobile body bottom shape with the shape of suction inlet.Other is identical with comparative example.
＜embodiment 3 〉
The drying oven for coating of embodiment 3 is the drying oven for coating of aforementioned first embodiment.That is the drying oven behind combination embodiment 1 and the embodiment 2.
(2) analog result
Fig. 6 represents the analog result that heats up.The longitudinal axis is represented the temperature that heats up, and transverse axis is represented the heating-up time.As shown in the figure, as can be known, if according to comparative example, the difference of the programming rate at the position (bottom) that position (hood, covering for roofs etc.) that intensification is high and intensification are low is big (two wider width between curve).For example, be warmed up to 160 ℃, finish with T1 at the high position of intensification, and the low position of intensification needs T2 (T1＜T2).
Relative therewith, as can be known, if according to embodiment 1, the programming rate at the position that intensification is low accelerates.For example, be warmed up to 160 ℃, shorten Δ t1=1 minute with respect to the comparative example heating-up time.In addition, as can be known, the difference of the programming rate at the position that position that intensification is high and intensification are low diminishes.
In addition, as can be known, if according to embodiment 2, the programming rate at the position that intensification is low further accelerates.For example, be warmed up to 160 ℃, shorten Δ t2=1.5 minute with respect to the comparative example heating-up time.In addition, as can be known, the difference of the programming rate at the position that position that intensification is high and intensification are low diminishes.
In addition, as can be known, according to embodiment 3, the programming rate at the position that intensification is low further accelerates.For example, be warmed up to 160 ℃, shorten Δ t3=2 minute with respect to the comparative example heating-up time.In addition, as can be known, the difference of the programming rate at the position that position that intensification is high and intensification are low further diminishes.
(3) sum up
As discussed above, as can be known, if according to embodiment 1,2,3, with respect to comparative example, the programming rate at the position that intensification is low accelerates.In addition, the difference of the programming rate at the low position of position that intensification property is high as can be known and intensification diminishes.
Claims (6)
1. drying oven for coating, it is to make a plurality of workpiece of arranging with predetermined distance along carriage direction prescribed distance of at every turn advancing stop then, this workpiece is carried out dry drying oven for coating, it is characterized in that,
The suction inlet that possesses this hot blast that hothouse that this workpiece can be transported therein, the blow-off outlet that blows out hot blast that the place in this hothouse above more leaning on than this workpiece is offered and the place below more leaning on than this workpiece is offered in this hothouse suction blow out from this blow-off outlet;
Aforementioned blow-off outlet is configured to, the workpiece stop position that stops in said workpiece, between this adjacent workpiece each other.
2. drying oven for coating as claimed in claim 1, wherein, aforementioned suction inlet is configured to, and is at the said workpiece stop position, relative with the bottom central part of said workpiece.
3. drying oven for coating as claimed in claim 2, wherein, the shape of aforementioned suction inlet, similar to the shape of the bottom surface of said workpiece.
4. drying oven for coating as claimed in claim 1 wherein, near aforementioned suction inlet, disposes and suppresses the dust inhibition parts that dust sucks.
5. drying oven for coating as claimed in claim 1, wherein, said workpiece is the automobile body that is laterally transported by the edge with respect to aforementioned carriage direction.
6. drying oven for coating, it is to make a plurality of workpiece of arranging with predetermined distance along carriage direction prescribed distance of at every turn advancing stop then, this workpiece is carried out dry drying oven for coating, it is characterized in that,
The suction inlet that possesses this hot blast that hothouse that this workpiece can be transported therein, the blow-off outlet that blows out hot blast that the place in this hothouse above more leaning on than this workpiece is offered and the place below more leaning on than this workpiece is offered in this hothouse suction blow out from this blow-off outlet;
Aforementioned suction inlet is configured to, and is relative with the bottom central part of said workpiece at the said workpiece stop position, and the shape of this suction inlet is similar to the shape of the bottom surface of this workpiece.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP290435/2003 | 2003-08-08 | ||
| JP2003290435A JP4348607B2 (en) | 2003-08-08 | 2003-08-08 | Paint drying oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1580678A true CN1580678A (en) | 2005-02-16 |
| CN100357688C CN100357688C (en) | 2007-12-26 |
Family
ID=34368471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100705653A Expired - Fee Related CN100357688C (en) | 2003-08-08 | 2004-08-06 | Drying oven for coating |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4348607B2 (en) |
| CN (1) | CN100357688C (en) |
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| CN110612423A (en) * | 2017-06-16 | 2019-12-24 | 株式会社大气社 | Coating drying furnace |
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| DE102015214711A1 (en) * | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
| DE102015214706A1 (en) | 2015-07-31 | 2017-02-02 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9304159D0 (en) * | 1992-04-30 | 1993-04-21 | Ici Plc | An enclosure for painting and a method of enforcing evaporation from a coating on a panel surface |
| JPH06277606A (en) * | 1993-03-26 | 1994-10-04 | Suzuki Motor Corp | Drying oven |
| JP3133659B2 (en) * | 1995-10-04 | 2001-02-13 | 株式会社大氣社 | Paint drying oven |
| JP3693551B2 (en) * | 2000-03-22 | 2005-09-07 | トヨタ車体株式会社 | Operation method of paint drying furnace |
| JP2001321712A (en) * | 2000-05-17 | 2001-11-20 | Kokusai Jidosha Kogyo Co Ltd | Coating/drying apparatus |
-
2003
- 2003-08-08 JP JP2003290435A patent/JP4348607B2/en not_active Expired - Fee Related
-
2004
- 2004-08-06 CN CNB2004100705653A patent/CN100357688C/en not_active Expired - Fee Related
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| CN105345980A (en) * | 2014-08-19 | 2016-02-24 | 张静文 | Paper container foaming apparatus |
| CN107208971A (en) * | 2015-01-26 | 2017-09-26 | 日产自动车株式会社 | The coating process of coating, drying method and body of a motor car car door offset assembly |
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| CN107208968B (en) * | 2015-01-26 | 2019-07-26 | 日产自动车株式会社 | Coating, drying device and coating, drying method |
| CN110382986A (en) * | 2017-03-21 | 2019-10-25 | 得立鼎工业株式会社 | Nozzle and drying system |
| CN110612423A (en) * | 2017-06-16 | 2019-12-24 | 株式会社大气社 | Coating drying furnace |
| CN110612423B (en) * | 2017-06-16 | 2020-12-25 | 株式会社大气社 | Coating drying furnace |
| CN114669432A (en) * | 2022-03-18 | 2022-06-28 | 深圳远荣智能制造股份有限公司 | Three-spraying and one-drying type automatic spraying line for new energy automobile parts |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4348607B2 (en) | 2009-10-21 |
| CN100357688C (en) | 2007-12-26 |
| JP2005058870A (en) | 2005-03-10 |
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