CN103567132B - A kind of car paint film surface shrinkage cavity renovation technique and the perforations adding instrument for this technique - Google Patents
A kind of car paint film surface shrinkage cavity renovation technique and the perforations adding instrument for this technique Download PDFInfo
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- CN103567132B CN103567132B CN201310015086.0A CN201310015086A CN103567132B CN 103567132 B CN103567132 B CN 103567132B CN 201310015086 A CN201310015086 A CN 201310015086A CN 103567132 B CN103567132 B CN 103567132B
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- paint
- shrinkage cavity
- surface shrinkage
- film surface
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Abstract
The invention discloses a kind of car paint film surface shrinkage cavity renovation technique, comprise the following steps: A. cleaning vehicle film coated surface shrinkage cavity inside and periphery; B. use perforations adding instrument to dip a small amount of painting dressing automobiles paint, and pull into thread, until break; C. the painting dressing automobiles paint paint breaking rear formation is dripped and insert rapidly in car paint film surface shrinkage cavity; D. drip filling situation benefit according to paint and fill out paint droplet, until painting dressing automobiles paint fills up car paint film surface shrinkage cavity and overflows; E. the painting dressing automobiles paint inserted is dried; After the painting dressing automobiles paint cooling of F. drying, polish and polishing.The present invention discloses a kind of perforations adding instrument for this car paint film surface shrinkage cavity renovation technique, this instrument is V-shaped, and comprising two can the activity wire drawing arm of opening and closing, one end interconnection of two activity wire drawing arms.Adopt technique provided by the present invention and instrument can restoring automobile film coated surface shrinkage cavity quickly and efficiently, and waste of material is few, repairing quality be high.
Description
Technical field
The present invention relates to a kind of touch-up paint technique and used tool thereof, in particular, it relates to a kind of car paint film surface shrinkage cavity renovation technique, and for the perforations adding instrument of this technique.
Background technology
In automobile production process, after car body coating operation, there is the shrinkage cavity of vehicle body film coated surface because of the reason such as environment, material occasional in vehicle body film coated surface, shrinkage cavity can cause vehicle body film performance to decline, and affects the aesthetic property of car body coating.If film coated surface shrinkage cavity area is large, just need to reprocess, film coated surface shrinkage cavity area is little, just need to repair, no matter be that macropore is reprocessed or aperture is repaired at present, what most automobile production producer taked is all first shrinkage cavity whole removing is removed the renovation technique carrying out secondary spraying again, after removing by former coating sand papering, with cleaning agent cleaning surface, then the secondary spraying of coating paint is carried out on surface after treatment.Secondary spraying coating process is applicable to carrying out to large-area shrinkage cavity reparation, but then has following defect for repairing that is a small amount of or small size shrinkage cavity:
1, repair time is long.According to vehicle body repair technique, vehicle body shrinkage cavity process must through flow processs such as polishing, clean, spraying, levelling, oven dry, and only baking just needs 30 minutes, therefore repair consuming time more, affect production efficiency;
2, waste of material is large.The area that sprays paint of spraying equipment is comparatively large, although therefore secondary spraying expends more coating paint, majority all drops on outside shrinkage cavity, is not utilized completely, and this just causes the waste of material, adds manufacturing cost;
3, product quality declines.After secondary spray treatment, the film thickness of coating paint can exceed standard, thus does not reach the requirement of coating paint correlated performance.Publication number is a kind of invention of CN1608744A discloses repairing local damaged coating on metal surface method on April 27th, 2005, comprises and carries out cleaning and polishing to damaged part; At damaged part spray-applied primer, and the region within the scope of 4 ~ 5 times of spray-applied primer region area of polishing; Centered by damaged part, the region spraying colored paint within the scope of 2 ~ 3 times of spray-applied primer area; Region spraying gloss varnish in 100% ~ 120% scope of spraying colored paint area; At the edge spraying interface water in spraying gloss varnish region, described interface water being plain boiled water and paint thinner are in harmonious proportion evenly in the ratio of 1:1 ~ 1:3; Finally to carry out polishing; This technique applied widely, the metal surface of all oil paint coatings is all applicable, comprises the surface of the various metal materials such as automobile, motorcycle, steamer, with original to paint the effect engaged very natural, and makes repairing result can reach the effect compared favourably with former paint.But the method and secondary spraying process close, also there is the defect that waste of material is large.
Summary of the invention
In order to overcome existing car paint film surface shrinkage cavity renovation technique workload large, consuming time length, waste of material many, control the troublesome defect of film thickness, the invention provides a kind of car paint film surface shrinkage cavity renovation technique, and for being convenient to the perforations adding instrument of process implementing operation in this technique.
Technical scheme of the present invention is: a kind of car paint film surface shrinkage cavity renovation technique, comprises the following steps:
A. cleaning vehicle film coated surface shrinkage cavity inside and periphery;
B. use perforations adding instrument to dip a small amount of painting dressing automobiles paint, and pull into thread, until break;
C. the painting dressing automobiles paint paint breaking rear formation is dripped and insert rapidly in car paint film surface shrinkage cavity;
D. drip filling situation benefit according to paint and fill out paint droplet, until painting dressing automobiles paint fills up car paint film surface shrinkage cavity and overflows;
E. the painting dressing automobiles paint inserted is dried;
After the painting dressing automobiles paint cooling of F. drying, polish and polishing.
Painting dressing automobiles paint is a kind of mixture containing multiple high molecular polymer, its overall physical characteristic is also close to high molecular polymer, self have certain plasticity and viscosity, on certain distance, a paint drips and can be become thread by drawing-down gradually, but when stretching, thread paint can not keep same thickness by each several part, but two is thick, middle thin, and transition gradually between thickness part, when continued extension, thread paint finally can be therefrom separated.If dip a small amount of paint to drip and unsettled, in its natural state, paint drips can form more stable ellipsoid shape voluntarily.When dipping a small amount of painting dressing automobiles paint with perforations adding instrument and pull into thread, end due to silk is attached on described perforations adding instrument, the surface tension support of perforations adding instrument can be obtained, after final elongation fracture, broken end silk can dangle below the painting dressing automobiles paint being attached on perforations adding instrument because of gravity, forms up big and down small cone structure.Car paint film surface shrinkage cavity is due to vehicle body steel plate remaining water, then the film calixconcavity formed because of the backwash of water, according to the formation mechanism of car paint film surface shrinkage cavity, car paint film surface shrinkage cavity is all in funnel-form, drip with taper paint the benefit filling up car paint film surface shrinkage cavity to be, the shape that taper paint drips can with car paint film surface shrinkage cavity quite well, taper paint drips thinner bottom can directly at the bottom of access aperture, in the process entered, the air at the bottom of hole is squeezed away, like this, after paint droplet all enters car paint film surface shrinkage cavity, bulge would not be produced after the drying because of residual air or cause film to sink.If do not do the wire drawing process that paint drips when perforations adding, and drip with the ellipsoid shape paint of nature and insert, then paint drip bottom also non-access aperture priming paint drip the position be just stuck in more than at the bottom of hole, and due to self viscosity paint drip can not immediately adaptively levelling become with car paint film surface shrinkage cavity coincide shape, therefore paint drips and is closed by hole underseal, air at the bottom of hole has little time to escape, also be closed in paint to drip and cannot discharge, may forming bulge after oven dry or cause film to sink, is to the bond strength of film and vehicle body or outward appearance all can cause adverse effect.Use this technique can carry out meticulous repairing to shrinkage cavity, be easier to control by paint amount, very economical for the shrinkage cavity reparation of small size.This technique does not need to destroy original film in addition, and the painting dressing automobiles paint coverage rate added and consumption little, just can dry in the short time, area of polishing after drying is also less, and therefore workload can greatly reduce.
As preferably, when performing step e, hand-held heat lamp is used to dry.Only painting dressing automobiles paint is used in shrinkage cavity region when using this technique to repair shrinkage cavity, painting dressing automobiles paint consumption is little, coverage rate is little, dry relatively easy, be just enough to dry within a short period of time by hand-held heat lamp, such vehicle body is dried on the spot after touch-up paint, and without the need to transferring to resource coating baking line taking normal production process again, greatly can shorten flow process, reduce repair time, improve shrinkage cavity remediation efficiency.
As preferably, use power to be the heat lamp of 1000 watts when performing step e, dry distance and be 40 to 45 centimetres, drying time 2 to 5 minutes.Find in practice, be that the heat lamp of 1000 watts was 40 to 45 centimetres of oven dry 2 to 5 minutes with power, repair the painting dressing automobiles paint added just can dry completely, time is too short not easily to parch, time is oversize easily causes touch-up paint volume contraction again, the operating time rhythm of other 2 to 5 minutes is moderate, and complete drying operation at this moment in section and not only take it easy hastily but also be unlikely to the space spare time, therefore this is a set of reasonable process parameter taking into account operation convenience and drying effect.
As preferably, the sand paper of 2000# is used to carry out polishing in step F and polishing.The sand paper Grains of 2000# is comparatively thin, and polishing effect is finer and smoother, and fusion is reached at the film and the normal film position that are beneficial to repairing retrude bore region.
For a perforations adding instrument for above-mentioned car paint film surface shrinkage cavity renovation technique, this instrument is V-shaped, and comprising two can the activity wire drawing arm of opening and closing, one end interconnection of two activity wire drawing arms.After activity wire drawing arm dips in a little painting dressing automobiles paint, paint drips and sticks on activity wire drawing arm by surface tension, when activity wire drawing arm opens, due to self-adhesion characteristic, paint can be drawn as thread in certain length, along with the increase of tensile elongation finally disconnects from the central authorities of silk, form the taper paint be attached to for a pair on activity wire drawing arm to drip, thus shrinkage cavity can be filled up with the painting dressing automobiles paint of taper, effectively control the waste of painting dressing automobiles paint.
As preferably, the free end of activity wire drawing arm is provided with aduncate extension paint hook.If activity wire drawing arm entire body is straight, painting dressing automobiles paint paint drip easily under Gravitative Loads along the landing of activity wire drawing arm, warp architecture can provide longer attachment surface for paint drips in use in the horizontal direction, and paint drips can form larger surface tension, thus can stably adhere on the tool.
As preferably, hang paint hook and be provided with frosting.Frosting can increase hangs paint hook surface roughness, is beneficial to the adhesion of painting dressing automobiles paint.
As preferably, this perforations adding instrument steel wire is made, and steel wire is bending at the V-arrangement summit place of this perforations adding instrument coils into ring.Steel wire has elasticity, bends an approximate torsion spring after coiling into ring, only needs unidirectional exerting oneself close up activity wire drawing arm with compression in use; and when paint is dripped stretching; only need appropriateness to loosen, by steel wire own resilience with regard to expansible activity wire drawing arm, operate more laborsaving convenience like this.
As preferably, the angle of this perforations adding instrument two activity wire drawing arms is in its natural state 28-35 °.This perforations adding instrument finger pinches operation, and the V-arrangement angle of activity wire drawing arm is that acute angle is advisable, and is easy to firmly when finger is mediated like this, and repair little shrinkage cavity not need activity wire drawing arm to open too large simultaneously.Practice shows, be affectedly bashful if the size of this perforations adding instrument has both been applicable to finger, can break thread paint when opening up into maximum again, the angle of two activity wire drawing arms should within the scope of 28-35 °.
The invention has the beneficial effects as follows:
Consuming time short, efficiency is high.Same shrinkage cavity area, can save polishing time and drying time in a large number by this PROCESS FOR TREATMENT, and entirety on average saves 25 minutes than existing secondary spraying coating process, thus effectively can ensure the continuity of producing.
Materials'use is few, and utilization rate is high.Compared with existing secondary spraying coating process, this technique uses material to shoot the arrow at the target, and only carry out point-like materials to shrinkage cavity, material consumption is only 1/200 of existing technique, has greatly saved raw material, has decreased waste, reduced cost.
Repairing quality is high.This technique carries out meticulous repairing to shrinkage cavity, add painting dressing automobiles paint by amount the shrinkage cavity pit of film coated surface is filled and led up, so coating thickness can accurately control, easily accomplish to be connected with former smooth coating, in addition can residual air in abundant emptying shrinkage cavity in perforations adding process, avoid occurring bulge or film depression in the technique later stage, therefore can obtain desirable repairing effect.
Accompanying drawing explanation
Fig. 1 is a kind of using state schematic diagram of the present invention;
Fig. 2 is another kind of using state schematic diagram of the present invention;
Fig. 3 is a kind of structural representation of perforations adding instrument in the present invention.
In figure, 1-activity wire drawing arm, 2-hangs paint hook, 3-ring, 4-perforations adding instrument, 5-film, the surface shrinkage cavity of 6-car paint film, 7-vehicle body steel plate, 8-painting dressing automobiles paint.
Detailed description of the invention
Below in conjunction with accompanying drawing specific embodiment, the invention will be further described.
embodiment 1:
As shown in Figure 3, a kind of perforations adding instrument 4, this instrument is V-shaped, comprise two can opening and closing activity wire drawing arm 1, two activity wire drawing arm 1 one end interconnection.This perforations adding instrument steel wire is made, and steel wire is bending at the V-arrangement summit place of this perforations adding instrument coils into a ring 3, and make perforations adding instrument 4 have elasticity, under the state of not stressing, two activity wire drawing arms 1 open formation 30 ° of angles naturally.The free end of activity wire drawing arm 1 is provided with aduncate extension paint hook 2, and hanging paint hook 2 end face is sphere, and when clutching two activity wire drawing arms 1 and making it to close up, hanging paint hook 2 end face can push against mutually.Hang paint hook 2 and be provided with frosting.
Film 5 in painting dressing automobiles operation on vehicle body steel plate 7 has been recessed to form car paint film surface shrinkage cavity 6, is restoring automobile film coated surface shrinkage cavity 6, adopts a kind of car paint film surface shrinkage cavity renovation technique, comprises the following steps:
A. use alcohol cleaning vehicle film coated surface shrinkage cavity 6 inside and periphery, guarantee there is no the impurity such as grease or dust in shrinkage cavity 6 region, car paint film surface, be difficult to merge with car paint film surface shrinkage cavity 6 inwall in order to avoid affect the painting dressing automobiles paint filled into.
B. described perforations adding instrument is used to dip a small amount of painting dressing automobiles paint, when dipping painting dressing automobiles paint, clutch activity wire drawing arm 1 and make it to close up, hang paint hook 2 termination and immerse in painting dressing automobiles paint, after dipping painting dressing automobiles paint, opening gradually of slow relaxation exercise wire drawing arm 1, pulls into thread by being bonded at the painting dressing automobiles paint 8 hung on paint hook 2, as shown in Figure 1, go forward side by side once step stretching until thread painting dressing automobiles paint 8 ruptures, the paint forming two tapers drips, and is hung on two terminations of extension paint hook 2, as shown in Figure 2.
C. the taper painting dressing automobiles paint paint breaking rear formation dripped carefully and promptly insert in car paint film surface shrinkage cavity 6.Due to plasticity and the viscosity of painting dressing automobiles paint self, paint still can shrink gradually after dropping in and becoming taper and revert to comparatively stable ellipsoid shape voluntarily, but recovery process is not just can complete at short notice, therefore dropping under taper form at paint to insert in car paint film surface shrinkage cavity 6 rapidly, such paint drips just can to fit with the inwall of the surperficial shrinkage cavity 6 of car paint film with the state that car paint film surface shrinkage cavity 6 shape is comparatively mated, car paint film surface shrinkage cavity 6 is progressed into because paint drips, the air at the bottom of process mesopore inserted can be drained out, perforations adding is made to mend reality, unlikelyly there is bulge or depression in the later stage.After paint drips and inserts can under Gravitative Loads levelling voluntarily, car paint film surface shrinkage cavity 6 is filled from bottom to top gradually.For exempting to fill too much, first only can insert the paint hung on paint hook 2 one terminations and dripping.
D. check whether car paint film surface shrinkage cavity 6 fills up, as do not filled up, just continue to consider and replenish painting dressing automobiles paint, due to insert car paint film surface shrinkage cavity 6 the drying of painting dressing automobiles paint after volume can shrink, therefore can not be satisfied with painting dressing automobiles paint when perforations adding and just fill up car paint film surface shrinkage cavity 6, should be padded to after being completely full of and overflow a little.If a touch-up paint reaches effect in step C, can replenish again.Filled and led up at the bottom of hole due to car paint film surface shrinkage cavity 6 in previous step, not necessarily require repetition step B and step C so replenish in this step when paint drips, drip to insert taper paint, drip with the ellipsoid shape paint under nature and also can.
E. dry the painting dressing automobiles paint inserted, use power is that the hand-held heat lamp of 1000 watts aims at the baking of touch-up paint position, and drying distance is 40 centimetres, drying time 3 minutes.
After the painting dressing automobiles paint cooling of F. drying, use the sand paper of 2000# to polish perforations adding region, and use polishing machine polishing, original smooth coating of the reparation film in perforations adding region and peripheral region is merged.
embodiment 2:
a kind of perforations adding instrument, under the state of not stressing, two activity wire drawing arms 1 of this perforations adding instrument open formation 35 ° of angles naturally.When using this perforations adding execution of instrument car paint film surface shrinkage cavity renovation technique, dry the painting dressing automobiles paint inserted, use power is that the hand-held heat lamp of 1000 watts aims at the baking of touch-up paint position, and drying distance is 45 centimetres, drying time 4 minutes.All the other are with embodiment 1.
Claims (9)
1. a car paint film surface shrinkage cavity renovation technique, is characterized in that comprising the following steps:
A. cleaning vehicle film coated surface shrinkage cavity inside and periphery;
B. use perforations adding instrument to dip a small amount of painting dressing automobiles paint, and pull into thread, until break;
C. the painting dressing automobiles paint paint breaking rear formation is dripped and insert rapidly in car paint film surface shrinkage cavity;
D. drip filling situation benefit according to paint and fill out paint droplet, until painting dressing automobiles paint fills up car paint film surface shrinkage cavity and overflows;
E. the painting dressing automobiles paint inserted is dried;
After the painting dressing automobiles paint cooling of F. drying, polish and polishing.
2. car paint film surface shrinkage cavity renovation technique according to claim 1, uses hand-held heat lamp to dry when it is characterized in that performing step e.
3. car paint film surface shrinkage cavity renovation technique according to claim 2, when it is characterized in that performing step e, use power is the heat lamp of 1000 watts, dries distance and is 40 to 45 centimetres, drying time 2 to 5 minutes.
4. the car paint film surface shrinkage cavity renovation technique according to claim 1 or 2 or 3, is characterized in that using the sand paper of 2000# to carry out polishing in step F and polishing.
5. for a perforations adding instrument for car paint film according to claim 1 surface shrinkage cavity renovation technique, it is characterized in that this instrument is V-shaped, comprising two can the activity wire drawing arm (1) of opening and closing, one end interconnection of two activity wire drawing arms (1).
6. perforations adding instrument according to claim 5, is characterized in that the free end of activity wire drawing arm (1) is provided with aduncate extension paint hook (2).
7. perforations adding instrument according to claim 6, is characterized in that hanging paint hook (2) is provided with frosting.
8. the perforations adding instrument according to claim 5 or 6 or 7, is characterized in that this perforations adding instrument steel wire is made, and steel wire is bending at the V-arrangement summit place of this perforations adding instrument coils into ring.
9. the perforations adding instrument according to claim 5 or 6 or 7, is characterized in that the angle of this perforations adding instrument two activity wire drawing arms (1) is in its natural state 28-35 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015086.0A CN103567132B (en) | 2013-01-16 | 2013-01-16 | A kind of car paint film surface shrinkage cavity renovation technique and the perforations adding instrument for this technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310015086.0A CN103567132B (en) | 2013-01-16 | 2013-01-16 | A kind of car paint film surface shrinkage cavity renovation technique and the perforations adding instrument for this technique |
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| Publication Number | Publication Date |
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| CN103567132A CN103567132A (en) | 2014-02-12 |
| CN103567132B true CN103567132B (en) | 2015-08-12 |
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| CN201310015086.0A Expired - Fee Related CN103567132B (en) | 2013-01-16 | 2013-01-16 | A kind of car paint film surface shrinkage cavity renovation technique and the perforations adding instrument for this technique |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412183A2 (en) * | 1988-08-09 | 1991-02-13 | Mazda Motor Corporation | Coating method |
| CN102218386A (en) * | 2010-04-14 | 2011-10-19 | 上海法赫桥梁隧道养护工程技术有限公司 | Protection method for rust removal, paint removal and anticorrosion of metal surface |
| CN102284409A (en) * | 2011-07-19 | 2011-12-21 | 奇瑞汽车股份有限公司 | Method for repairing finish paint shrinkage cavity of car |
| CN202270617U (en) * | 2011-07-06 | 2012-06-13 | 东莞市新望包装机械有限公司 | Automatic coater |
-
2013
- 2013-01-16 CN CN201310015086.0A patent/CN103567132B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412183A2 (en) * | 1988-08-09 | 1991-02-13 | Mazda Motor Corporation | Coating method |
| CN102218386A (en) * | 2010-04-14 | 2011-10-19 | 上海法赫桥梁隧道养护工程技术有限公司 | Protection method for rust removal, paint removal and anticorrosion of metal surface |
| CN202270617U (en) * | 2011-07-06 | 2012-06-13 | 东莞市新望包装机械有限公司 | Automatic coater |
| CN102284409A (en) * | 2011-07-19 | 2011-12-21 | 奇瑞汽车股份有限公司 | Method for repairing finish paint shrinkage cavity of car |
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| CN103567132A (en) | 2014-02-12 |
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Granted publication date: 20150812 Termination date: 20190116 |