KR20220126398A - The vehicle coating method using the painting machine having ultraviolet irradiation function - Google Patents

Abstract

The present invention relates to a vehicle painting method using a painting machine having an ultraviolet irradiation function, which can shorten a process time required for painting all or part of the vehicle to be painted by the painting machine. More specifically, the method comprises the steps of: (1) degreasing and sanding a paint surface of the vehicle to be painted; (2) plating the paint surface; (3) removing dust from the paint surface; (4) applying putty, which is an ultraviolet curable resin which reacts to LED UV; (5) drying the putty using the painting machine; (6) polishing the dried putty; (7) degreasing the polished putty; (8) applying a primer which reacts to the LED UV; (9) drying the applied primer using the painting machine; (10) polishing the dried primer; (11) degreasing the polished primer; (12) applying a water-based or oil-based base coat for an exterior color of the vehicle to be coated; (13) drying the applied base coat; (14) applying a clear which reacts to the LED UV to the dried outer surface of the base coat; (15) drying the coated clear using the painting machine; and (16) applying a polish to the dried clear outer surface.

Description

The vehicle coating method using the painting machine having ultraviolet irradiation function

The present invention relates to a vehicle painting method using a painting machine having an ultraviolet irradiation function that can shorten the process time required for all or part of a painting vehicle by using the painting machine.

The 3Coat2Bake (3C2B) automobile painting system, which is generally used as a painting system for new automobiles, applies an electrodeposition paint to the body, and after applying a middle coat through the intermediate painting process on it, It is cured for 30 minutes, and then a top base coat and a top clear coat are continuously coated thereon, and then dried at 140~150℃ for 20~30 minutes. This is the most common automotive painting system. to be.

However, in recent years, automobile manufacturers have preferred more eco-friendly and economical painting systems, and various painting systems have been developed in response to this.

For example, Korean Patent Registration No. 10-0484060 discloses a low-temperature curing and high-solid water-soluble paint composition, which is cured at a low temperature to be high solid and impart high impact resistance to the coating film. , shows the effect of reducing process cost and energy by lowering the baking temperature and increasing the solid content.

In addition, the water-soluble multi-layer coating method disclosed in Korean Patent Registration No. 10-0665882 is a coating technique generally referred to as a "water-soluble 3C1B (3Coat1Bake) coating system", and minimizes the use of volatile organic compounds by making the middle and upper base coat parts water-soluble. It is eco-friendly, and it is very economical as it can exclude the intermediate baking process (complete curing at 140-150℃ for 20-30 minutes), which is essential in the 3C2B coating system.

Currently, eco-friendly painting process shortening methods introduced to the automobile industry include the water-soluble 3C1B method (3Coat1Bake), which omits the intermediate oven process, and the water-soluble, primerless method, which omits the intermediate painting process itself.

However, in the case of the water-soluble 3C1B method, the installation space and installation cost for the intermediate coating booth for the intermediate coating process and the intermediate drying furnace for drying the intermediate paint are required, as well as the process of moving the intermediate coating booth and the intermediate drying furnace. In addition to the problem of an increase in process time, the prior art has a problem in that it is difficult to apply it as a paint for repair due to damage to the vehicle.

Republic of Korea Patent Registration No. 10-0665882 (Announcement Date: 2007.01.10.) Republic of Korea Patent Registration No. 10-0484060 (Announcement Date: 2005.12.28.)

In order to solve the above technical problem, the present invention can shorten the process time by quickly drying and curing the paint without moving the vehicle to be painted, and can also be applied to the repair painting of the partially damaged vehicle. The purpose is to provide a coating method that has

In order to solve the above technical problem, a vehicle painting method using a painting device having an ultraviolet irradiation function according to the present invention includes the steps of 1) degreasing and sanding the painted surface of the painting vehicle (C), and 2) sheeting the painted surface. Steps, 3) removing dust from the painted surface, 4) applying a putty made of an ultraviolet curing resin that reacts to LED UV, 5) drying the putty using a painting device (1), 6) grinding the dried putty, 7) degreasing the polished putty, 8) applying a primer that responds to LED UV, and 9) using the coating device (1) to apply the primer 10) grinding the dried primer, 11) degreasing the polished primer, and 12) applying a water-based or oil-based base coat for the exterior color of a painting vehicle. and 13) drying the applied base coat, 14) applying a clear that responds to LED UV to the dried outer surface of the base coat, 15) drying the applied clear using the coating device (1) and 16) applying a varnish to the dried clear outer surface.

In addition, in at least one of step 5), step 9), and step 15), the painting machine 1 moves close to the painting vehicle C, but a moving unit provided with a control means 400 (100) and the UV lamp 200 for irradiating ultraviolet rays necessary for painting the surface of the painting vehicle C through the control signal of the control means 400 and the UV lamp 200 can be rotated A first lamp member 210 that is rotatably coupled to the lift 300 and includes a lift 300 that moves up and down through a control signal of the control means 400, wherein the UV lamp 200 is rotatably coupled to the lift 300; A second lamp member 220 mounted on one side or both sides of the first lamp member 210, and a second lamp member 220 installed between the first lamp member 210 and the second lamp member 220 ) includes a hinge member 240 provided to be detachably coupled to each other as well as rotation with the first lamp member 210, and the first lamp member 210 and the second lamp member 220 ), the UV light source irradiated through 390 to 400 nm, but the irradiation time is preferably within 0.5 to 10 seconds.

In addition, the first lamp member 210 is made of a hollow housing shape with an open front surface, a plurality of discharge holes (H) are formed on the outer surface, the adapter (T) electrically connected to the control means (400) A first body 211 in which is formed; a first exhaust fan 215 provided so as to be discharged to the outside through the discharge hole H after forcibly sucking in heat generated when the first lamp panel 213 is operated by the rotation thereof; and A bracket member 230 formed on the outer surface of the first body 211 and rotatably coupled to the lift 300 is provided, wherein one side of the hinge member 240 is coupled to the side surface of the first body 211 and fastening means. It is preferable to be fixedly coupled by

In addition, the hinge member 240 is provided so as to be rotatably inserted through the pillar-shaped hinge shaft 241 and the outer surface of the hinge shaft 241 to be unfolded or folded in both directions, the first lamp member 210 . A pair of coupling plates 243 and the hinge shaft 241 having a structure in which the and the second lamp member 220 can rotate with each other are provided so as to be screwable with the upper part of the hinge shaft 241. A fixing nut 245 for fixing the coupling plate 243 is included, but any one of the pair of coupling plates 243 is fixedly coupled to the first lamp member 210 by a fastening means, but the other is the It is preferable to be detachably coupled to the second lamp member 220 .

In addition, the lift 300 is provided with at least one or more guide posts 310 installed perpendicularly to the moving part 100 , and one side of the first ramp is provided so as to be elevating along the guide posts 310 . The member 210 is mounted so that the radially rotatable joint member 320 and the joint member 320 are installed to be elevating along the joint member 320 so that the other side can rotate in the up and down direction around the joint member 320 on one side. It is preferable to include the provided rotating member (330).

According to the present invention, according to the present invention, when the user who is inconvenient in movement takes a bath by himself or by taking a bath with the help of a caregiver, he uses the seat alone or withdraws the support housed in the seat to the outside step by step. By changing the shape, the user can easily sit or lean on it, which provides convenience to take a bath without effort, as well as folding the backrest to have a laminated structure with the seating part or folding a pair of armrest members by rotation. Therefore, it has the effect of easy movement and storage.

1 is a flowchart of a vehicle painting method using a painting device having an ultraviolet irradiation function according to a first embodiment of the present invention. 2 is a flowchart of a vehicle painting method using a painting device having an ultraviolet irradiation function according to a second embodiment of the present invention. 3 is a view showing a painting apparatus applied to the first or second embodiment of the present invention. Figure 4 is a view showing the configuration of the UV lamp for the painting equipment applied to the first or second embodiment of the present invention. 5 is a view showing a hinge member with respect to FIG. Fig. 6 is a diagram of the operation relationship with respect to Fig. 5; Fig. 7 is a cross-sectional view taken along lines A-A' and B-B' with respect to Fig. 4; Fig. 8 is a view showing the configuration of a lift with respect to Fig. 3; Fig. 9 is a diagram of the operation relationship of the rotating member with respect to Fig. 8; 10 is a diagram of the interaction relationship between the joint and the UV lamp for FIG. 8 . Figure 11 is a coupling relationship between the joint bundle and the joint for Figure 8. 12 and 13 are diagrams of an action relationship with respect to FIG. 11 . 14 is a state diagram of a painting device applied to the first or second embodiment of the present invention.

Hereinafter, in addition to the above object, other objects and features of the present invention will become apparent through the description of the embodiments with reference to the accompanying drawings, and unless otherwise defined, all terms used herein, including technical or scientific terms, are It has the same meaning as commonly understood by those of ordinary skill in the art to which the invention pertains. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, with reference to the accompanying drawings, a vehicle painting method (hereinafter referred to as a 'vehicle painting method') using a painting apparatus having an ultraviolet irradiation function according to the present invention will be described in detail for each embodiment, but the present invention described below The first embodiment 10 according to the above means the painting method for the entire painting vehicle C, and the second embodiment 20 refers to a part of the painting vehicle C (for example, a part due to damage, etc.) Note that it means the coating method for the repair of painting (painting repair).

First, as shown in FIG. 1, the vehicle painting method according to the first embodiment 10 of the present invention largely includes 1) degreasing and sanding the painted surface of the painting vehicle C, 2) applying the painted surface to sheet metal. step, 3) removing dust from the painted surface, 4) applying a putty made of UV-curing resin that reacts to LED UV, 5) drying the putty using a painting device (1), 6) drying Polishing the putty, 7) degreasing the polished putty, 8) applying a primer that responds to LED UV, 9) drying the applied primer using the coating device 1, 10 ) Grinding the dried primer, 11) Degreasing the polished primer, 12) Applying a water-based or oil-based base coat for the exterior color of a painting vehicle, 13) Drying the applied base coat step, 14) applying clear that responds to LED UV to the dried outer surface of the base coat, 15) drying the applied clear using the coating device 1, and 16) applying a varnish to the dried clear outer surface It includes the step of applying.

More specifically, the degreasing and sanding step of step 1) manufactures foreign substances present in each painted surface (for example, door or bonnet, etc.) of the shipped painted vehicle C, that is, the corresponding painting vehicle C. After removing foreign substances such as silicone or grease exposed to the outside of the painted surface in the process of ) to be polished.

Next, in step 2), the thickness of the painted surface on which degreasing and sanding has been made is constant, and at the same time, sheet metal to compensate for the damaged area where the blister (inflation) of the painted surface occurred during the manufacturing of the painted vehicle (C). is a step

Sheet metal work is performed by using a rubber mallet or a movable press, depending on the degree of damage to the sheet metal.

Then, in step 3), the dust (foreign substances) generated in the sheet metal step is applied to the discharge pressure of the air to prevent damage to the painted surface through an air gun equipped with a nozzle so that the dust generated in the sheet metal step can be separated from the painted surface. separated by

Next, step 4) is a step for applying an ultraviolet curing resin (also called 'putty') for the purpose of shortening the time of the painting process according to curing, For fast curing through UV light, the UV curing resin putty uses a material that responds to LED UV.

Next, step 5) is a step for quickly curing the putty applied to the painted surface by the LED UV lamp irradiated from the painting device 1 .

To this end, the light source of ultraviolet rays irradiated through the first and second lamp members 210 and 220 constituting the painting device 1 is 390 to 400 nm, but the irradiation time is 0.5 to 10 seconds. It is preferable that these curing conditions can be equally applied to the second embodiment 20 according to the present invention, which will be described later.

Then, in step 6), the surface of the putty dried quickly by the coating machine 1 is polished, but the putty is polished using a tool such as a grinder.

Next, in step 7), a degreasing step of the putty that removes dust or foreign substances generated in the process of polishing the putty through step 6) is performed to facilitate application of the primer described later, and for this purpose, use an air gun. The degreasing step is carried out by discharging the used air pressure.

Next, in step 8), hide the color of the exposed steel plate on the painted surface to reduce the amount of color paint to be applied to the painted surface, and at the same time to make the polished surface of the putty more smooth. A primer is applied, and the primer is of a material that responds to LED UV.

The liquid primer is applied to the surface of the painted surface using a spray gun in the same manner as the above-mentioned ultraviolet curing resin material, and after application, it is cured using the painting device 1, but the surface is cured after curing. After polishing, remove foreign substances generated during polishing.

Then, in step 9), a drying process is performed in which the primer applied to the painted surface can be naturally dried.

Then, the surface of the primer dried in step 10) is smoothed, and grinding and polishing are performed to smooth the surface of the dried primer to facilitate application of the base coat, which will be described later.

Next, in step 11), a degreasing step using air pressure discharge using an air gun is performed to remove dust or foreign substances generated after grinding and polishing of the primer.

Next, in step 12), a liquid color paint having the exterior color of the painting vehicle (C) but having water-based or oil-based properties and a liquid base coat mixed with a liquid base coat are applied to the painted surface, and the mixture is applied to the painted surface. This is a step to improve adhesion and prevent corrosion.

Then, in step 13), the paint surface on which the base coat mixture solution mixed with the color paint is applied is dried.

At this time, it is preferable that the above-described steps 12) and 13) are repeatedly performed so that the mixed solution is formed to have a layered structure so that damage to the painted surface due to the outside air can be minimized.

Then, apply clear to the outer surface of the base coat dried in step 14) to apply colorless clear to protect the dried base coat, and use a material that responds to LED UV.

Then, in step 15), the applied clear is cured using the painting machine 1 for rapid hardening of the clear applied to the painted surface.

The vehicle painting method according to the first embodiment (10) of the present invention is finished by applying a varnish to the clear surface cured in the last step 16) and then smoothing the surface.

On the other hand, in the present invention, unlike the first embodiment (10), which paints the entire painted surface of the painting vehicle (C) described above, when a part is damaged due to an external impact of the vehicle in which operation is performed, the second method for restoring it It is possible to provide the vehicle painting method of the embodiment (20).

First, as shown in FIG. 2, the vehicle painting method according to the second embodiment 20 of the present invention largely includes 1) degreasing and sanding the painted surface of the painting vehicle C, 2) the painted surface. Sheet metal forming step, 3) removing dust from the painted surface, 4) applying a putty made of UV-curing resin that reacts to LED UV, 5) drying the putty using a painting device (1), 6) Polishing the dried putty, 7) degreasing the polished putty, 8) applying a primer that responds to LED UV, 9) drying the applied primer using the coating device 1, 10) Grinding the dried primer, 11) Degreasing the polished primer, 12) Applying a water-based or oil-based base coat for the exterior color of a painting vehicle, 13) Applying the applied base coat Drying step, 14) Applying clear that responds to LED UV to the dried outer surface of the base coat, 15) Branding process step that responds to LED UV, 16) Drying the applied clear using the coating device (1) and 17) applying a varnish to the dried clear outer surface, but in the second embodiment (20), the remaining steps 1) to 17) excluding the step 15) are the first steps according to the present invention described above. Since the same method as that of the first embodiment (10) is applied, a detailed description of the step 15) is described below to clarify the gist of the second embodiment (20) according to the present invention.

In step 15) according to the second embodiment (20) of the present invention, after applying the clear according to step 14) described above, the surface of the painted surface to be restored becomes smooth, but is applied to the painted surface of a vehicle on which restoration is not performed. This is the stage of executing branding so that the painted color can enter the painted surface to be restored.

To this end, branding is carried out so that a part of the vehicle color existing on the painted surface can be drawn into the painted surface that needs to be restored through abrasive paper, etc. After the branding process, step 16) allows drying to proceed using the painting machine (1).

On the other hand, as shown in FIG. 3 , the painting device 1 applied to the first embodiment 10 and the second embodiment 20 according to the present invention described above is largely a moving part 100, a UV lamp ( 200), the lift 300, and a control means 400 for controlling at least one of these components by a control signal by the applied power.

In more detail, the moving unit 100 is equipped with a UV lamp 200 and a lift 300 to be described later, as well as a control means 400 operated by external power or power applied from the battery B. However, the moving plate 110 and wheels ( 120).

For example, the moving plate 110 is molded to have a plate shape as a whole using a hard material such as metal, and the lift 300 and the control means 400 on which the UV lamp 200 is rotatably mounted. ) so that they can move together.

To this end, a plurality of wheels 120 may be rotatably provided on the lower surface of the moving plate 110 , and the wheels 120 are movable and fixed wheels.

On the other hand, a rail (not shown) having a predetermined length may be formed on the upper surface of the moving plate 110 in the present invention, and the lift 300 equipped with the UV lamp 200 is reciprocally movable on the rail upper portion. It is installed and the lift 300 moves through a moving means such as a cylinder controlled by the control means 400 within a predetermined distance without the operator directly moving the moving part 100, so that the painting vehicle (C) is painted. can make work possible.

To this end, the upper part of the moving plate 110 may be further provided with a mounting plate that moves reciprocally along the longitudinal direction of the rail, and the lift 300 on which the UV lamp 200 is mounted is installed. It has a structure that can be moved by being fastened with a moving means.

And, the UV lamp 200 is mounted on a lift 300 to be described later, as shown in FIGS. 4 to 7 , so that the coating, curing and drying of the paint applied to the surface of the painting vehicle C is performed. A first lamp member 210 , a second lamp member 220 , a bracket member 230 and a hinge member 240 are included as a configuration for irradiating the light.

For example, the first lamp member 210 is configured to irradiate ultraviolet rays in the direction of the painting vehicle C through the control of the control means 400 together with the second lamp member 220, and the first lamp member ( 210 includes a first body 211 , a first lamp panel 213 , and a first exhaust fan 215 , wherein the second lamp member 220 includes a second body 221 and a second lamp panel 223 . ) and a second exhaust fan 225 , and it should be noted that the first and second lamp panels 213 and 223 having structures similar to each other will be described below in order to clearly understand the gist of the present invention.

As shown, the first and second bodies 211 and 221 may be molded using a metal material such as aluminum having durability against corrosion as well as UV or heat, and preferably, the front side, that is, UV light by the applied power. The first or second lamp panels 213 and 223 for irradiating the light are molded to have the shape of a hollow housing in which the direction to be installed is opened.

A plurality of emission holes H are formed on the outer surfaces of the first and second bodies 211 and 221 so that heat generated when the first or second lamp panels 213 and 223 is operated is discharged through the first emission holes H. Alternatively, the second body (211,221) can be naturally circulated inside/outside or discharged through forced intake/exhaust of the first or second exhaust fans (215,225).

To this end, the first and second exhaust fans 215 and 225 are respectively installed inside the first and second bodies 211 and 221 to communicate with the discharge holes H, and adapters formed on the outer surfaces of the first and second bodies 211 and 221 , respectively. (T) is electrically connected to the cable extending from the control means 400 so that power for operating the first and second exhaust fans 215 and 225 can be applied.

At this time, after the second body 221 is separated from the first body 211 by using a cable electrically connected to the adapter T of the second body 221 that can be stretched or contracted freely, the operator It is desirable to enable painting by hand.

In addition, unlike the first body 211 on the outer surface of the second body 221 , a grippable handle 229 may be formed on the outer surface, and a hinge member 240 and a detachable coupler 227 to be described later are side surfaces of the second body 221 . can be formed in

Thus, if the worker judges that the place where the painting of the painting vehicle C is insignificant is identified, the worker moves the painting device 1 itself according to the present invention and does not perform additional painting work, and the first body 211 It has the advantage of being able to manually execute where additional painting is required by separating the second body 221 from the . (See Fig. 14)

Further, referring to FIGS. 6 and 8 , the bracket member 230 is rotatably coupled to a lift 300 to be described later by the first lamp member 210 to which at least one second lamp member 220 is coupled. It includes a bracket 231 and a tightening nut 237 in a configuration to allow the first ramp member 210 to also be raised and lowered according to the elevation of the lift 300 .

As shown in the figure, the outer surface of the bracket 231 is coupled to the first body 211 by a fastening means, but a pair of protrusions 233 to be rotatably coupled to the lift 300, that is, the outer surface of the joint 327. are formed to protrude adjacent to each other in the vertical direction so that the bracket 231 has a 'C' shape as a whole.

At this time, a protrusion 328 protruding from the joint 327 is inserted through the outer surface of each of the pair of protrusions 233, and is guided to the protrusion 328 and rotates in an arc-shaped rotating hole ( 235) is preferably perforated. (See Fig. 10)

Through this, the first body 211 rotates at a predetermined angle through the protrusion 328 formed on the joint 327 and the rotation hole 235 formed on the protrusion 233, and the surface thereof according to the shape of the painting vehicle C. It has a structure that rotates to facilitate the irradiation of ultraviolet rays.

In addition, in the first body 211 rotated through the bracket 231, the tightening nut 237 presses the outer surface of the bracket 231, etc. according to the tightening of the tightening nut 237 screwed to the outer surface of the protrusion 328. fixed in such a way that it can be used.

In addition, the hinge member 240 is installed so that the second lamp member 220 can be rotatably coupled to one side or both sides of the first lamp member 210 described above, the rotation angle of the second lamp member 220 is It includes a hinge shaft 241, a pair of coupling plates 243 and a fixing nut 245 in a configuration to be made step by step.

Here, the pair of coupling plates 243 are formed to have a plate shape as a whole using a material such as metal, and one of them is fixedly coupled to the side of the first body 211 through a fastening means, and the other is the second It is detachably coupled to the coupling hole 227 formed on the side of the body 221 so that the second body 221 can be separated as needed.

At this time, as shown in the figure, the pair of coupling plates 243 are each formed with a hinge hole so that the hinge shaft 241 can be inserted therethrough. It is desirable to have a structure.

In addition, the coupling position of the hinge shaft 241 rotatably coupled to the plurality of hinge holes is disposed in the direction of irradiating ultraviolet rays, that is, in the direction of the first or second lamp panels 213 and 223, and is formed on the front surface of the second body 221 . The second lamp panel 223 has a structure in which the first lamp panel 213 formed on the front surface of the first body 211 rotates to face each other.

Through the rotation of the second body 221 , it is possible to irradiate ultraviolet rays to the painting vehicle C corresponding to the shape of the painting vehicle C having a curved structure.

In addition, the rotation of the second body 221 is such that a pair of coupling plates 243 is pressed according to the degree of tightening of the fixing nut 245 screwed with the hinge shaft 241 so that the rotation angle can be maintained. is fixed

And, as shown in FIGS. 8 to 13, the lift 300 is guided in a configuration to facilitate painting by elevating the UV lamp 200 according to the shape of the painting vehicle C. It includes a pillar 310 , a joint member 320 and a rotating member 330 .

For example, at least one guide column 310 is formed to have a length in the vertical direction on the upper portion of the moving plate 110, and the joint member 320 provided with the rotating member 330 can be lifted in the longitudinal direction when lifting. let it be

In addition, a lifting protrusion (not shown) that is tooth-coupled with a gear rotatably provided in the lifting motor 322 is formed on the outer surface of the guide column 310 to enable the lifting and lowering of the joint member 320 .

In addition, the joint member 320 is configured so that one side is coupled to the guide column 310 to be lifted and lowered, but the above-described UV lamp 200 is rotatably installed on the other side so that the UV lamp 200 can be lifted. .

To this end, as shown, the joint member 320 includes a lifting body 321 installed to surround the outer surface of the guide column 310, and the lifting body 321 has a gear engaged with the lifting protrusion on the outer surface. Through rotation of the provided elevating motor 322, the guide pillar 310 can be elevated along the outer surface.

On the outer surface of the lifting body 321, one side of the lifting bar 323 having a column shape having a predetermined length is shaft-coupled to be rotatable in the vertical direction through the rotating member 330, and the lifting bar 323 is the other side of the UV lamp ( 200) is rotatably coupled.

Here, as shown, the rotating member 330 includes a pair of rotating pieces 331 and a rotating motor 333 which are coupled by a fastening means to the outer surface of the elevating body 321 and are arranged adjacent to each other by a predetermined distance, , in a state where one side of the lifting bar 323 is inserted and disposed between the pair of rotation pieces 331 , the drive shaft of the rotation motor 333 is inserted through and the lifting bar 323 is the rotation motor 333 . It has a structure that can rotate in the vertical direction according to the rotation direction.

In addition, the joint member 320 is a joint bundle between the lifting bar 323 and the other side of the UV lamp 200 so that the UV lamp 200 can be rotated with the lifting bar 323 as an axis to have a degree of freedom in a radial direction. 324 and a joint 327 may be included.

As shown in the figure, the joint bundle 324 formed of a material such as metal is formed in a rectangular/cube shape having multiple faces, and on its outer surface, one side of the joint 327 is radially rotatably inserted into a sphere shape. An angle adjustment hole 325 made of is formed.

At this time, the joint bundle 324 is detachably coupled to each other by a fastening means for reasons such as maintenance of the joint 327, but the angle adjustment hole 325 and the additional adjustment hole 326 are formed so that the two powders 324a, 324b), in particular, in the lower part of the joint bundle 324, the joint 327 can be freely rotated downward within the range of a right angle. 326) is preferably formed, through which the UV lamp 200 rotatably coupled to the joint 327 rotates downward in a state in which it rises through the elevating bar 323 to the upper side of the painting vehicle C It becomes possible to execute the painting work easily.

In addition, the outer surface of the joint bundle 324 may be provided with a fixing bolt for fixing the rotation angle by pressing the outer surface of the joint 327 which is rotated by being inserted into the angle adjusting hole 325 .

As shown, the joint 327, which is formed of the same material as the joint bundle 324, is made of a column shape, and one side has a spherical shape for rotatably coupling with the angle adjustment hole 325 by shape fitting. , and the other side has a structure that is inserted into the 'C'-shaped bracket 231 as described above.

At this time, it is preferable that a protrusion 328 for penetrating insertion into the rotation hole 235 formed in the bracket 231 is formed on the outer surface of the other side of the joint 327 to protrude, so that the UV lamp 200 can be rotated integrally.

Through this, as shown in FIG. 14 , the coating device 1 according to the present invention requires a painting operation of curing the paint in the process used in the first embodiment 10 or the second embodiment 20 described above. At least one second lamp member 220 coupled to the first lamp member 210 is rotated or separated by the hinge member 240 to irradiate ultraviolet rays in response to various shapes of the painting vehicle C. Of course, it can be used by rotating it to have a degree of freedom in a radial direction at the same time as lifting and lowering by the lift 300, thereby reducing the painting work time. After the lamp member 220 is separated, an additional painting operation is possible by an operator, so that it can be used in parallel without moving the painting device 1 .

As described above, in the present invention, specific matters such as specific components, etc., and limited embodiments and drawings have been described, but these are only provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims to be described later, but also all those with equivalent or equivalent modifications to the claims will be said to belong to the scope of the spirit of the present invention. .

10: Vehicle painting method using a painting device having ultraviolet irradiation function according to the first embodiment of the present invention 20: Vehicle painting method using a painting device having ultraviolet irradiation function according to the second embodiment of the present invention 100: moving unit 110: moving plate 120: wheel 200: UV lamp 210: first lamp member 211: first body 213: first lamp panel 215: first exhaust fan 220: second lamp member 221: second body 223: second lamp panel 225: second exhaust fan 227: coupler 229: handle 230: bracket member 231: bracket 233: protrusion 235: spinning ball 237: tightening nut 240: hinge member 241: hinge shaft 243: coupling plate 245: fixing nut 300: lift 310: guide pillar 320: joint member 321: elevator 322: elevating motor 323: lift bar 324: joint bundle 325: angle adjustment ball 326: additional adjuster 327: joint 328: protrusion 330: rotating member 331: rotating piece 333: rotation motor C: Painted vehicle H: discharge hole T: adapter

Claims (10)

1) degreasing and sanding the painted surface of the painting vehicle (C); 2) sheeting the painted surface; 3) removing dust from the painted surface; 4) applying a putty made of UV-curing resin that reacts to LED UV. Applying step; 5) drying the putty using the painting machine (1); 6) grinding the dried putty; 7) degreasing the polished putty; 8) applying a primer that responds to LED UV 9) drying the applied primer using the painting machine 1; 10) grinding the dried primer; 11) degreasing the polished primer; 12) changing the exterior color of the painting vehicle. Applying a base coat having water-based or oil-based properties for the purpose; 13) drying the applied base coat; 14) applying a clear that responds to LED UV to the outside surface of the dried base coat; 15) the coating device (1) drying the applied clear using; and 16) applying a varnish to the dried clear outer surface; According to claim 1, wherein in at least one of step 5), step 9), and step 15), the painting machine (1) moves close to the painting vehicle (C), but the control means (400) A moving unit 100 provided; A UV lamp 200 for irradiating ultraviolet rays necessary for painting the surface of the painting vehicle (C) through the control signal of the control means (400); and a lift 300 that is rotatably coupled with the UV lamp 200 but ascends and descends through a control signal of the control means 400; including, wherein the UV lamp 200 is rotatable with the lift 300 A first lamp member 210 coupled to each other, a second lamp member 220 mounted on one side or both sides of the first lamp member 210, and the first lamp member 210 and the second lamp member 220 It is installed between the second lamp member 220 and the first lamp member 210 and rotates, as well as includes a hinge member 240 provided to be detachably coupled to each other, the first lamp member The UV light source irradiated through the 210 and the second lamp member 220 is 390 to 400 nm, but the irradiation time is 0.5 to 10 seconds. The vehicle painting method used. According to claim 2, wherein the first lamp member 210 is made of a hollow housing shape with an open front surface, a plurality of discharge holes (H) are formed on the outer surface, and electrically connected to the control means (400) A first body 211 in which an adapter (T) is formed; A first lamp panel 213 provided on the front surface of the first body 211 to irradiate ultraviolet rays by an applied power; Inside the first body 211 The first exhaust fan 215 is rotatably provided so that heat generated when the first lamp panel 213 is operated by the rotation is forcibly sucked and then discharged to the outside through the discharge hole H. ); and a bracket member 230 formed on an outer surface of the first body 211 and rotatably coupled to the lift 300; A vehicle painting method using a painting device having an ultraviolet irradiation function, characterized in that fixed coupling by means of a fastening means. The first lamp member according to claim 2, wherein the hinge member 240 is a pillar-shaped hinge shaft 241; (210) and a pair of coupling plates 243 to have a structure in which the second lamp member 220 can rotate with each other; and a fixing nut 245 provided to be screw-coupled to the upper part of the hinge shaft 241 and fixing the pair of coupling plates 243 according to the tightening thereof; including, but a pair of coupling plates 243 Any one is fixedly coupled to the first lamp member 210 by means of a fastening means, while the other is detachably coupled to the second lamp member 220 using a painting device having an ultraviolet irradiation function, characterized in that it is detachably coupled to the second lamp member 220. How to paint a vehicle. According to claim 2, wherein the lift 300 is at least one or more guide pillars 310 installed perpendicularly to the moving unit 100; One side is provided so as to be elevating along the guide pillars 310, the other side is the The first lamp member 210 is mounted on a radially rotatable joint member 320; and a rotating member 330 that is installed so as to be able to move up and down along the joint member 320 and the other side rotates in the up and down direction around the one side of the joint member 320. Ultraviolet irradiation comprising a; A vehicle painting method using a painting device with a function. 1) Degreasing and sanding the painted surface of the painting vehicle (C) to be restored; 2) Sheet metal plating; 3) Removing dust from the painted surface; 4) UV curing resin reacting to LED UV Applying Jane Putty; 5) Drying the putty using the painting machine 1; 6) Grinding the dried putty; 7) Degreasing the polished putty; 8) Responsive to LED UV Applying a primer; 9) drying the applied primer using the painting machine 1; 10) grinding the dried primer; 11) degreasing the polished primer; 12) of a painting vehicle Applying a base coat having water-based or oil-based properties for exterior color; 13) drying the applied base coat; 14) applying a LED UV responsive clear to the outside surface of the dried base coat; 15) Branding process step in response to LED UV; 16) Drying the applied clear using the coating device (1); and 17) applying a varnish to the dried clear outer surface; According to claim 1, wherein in at least one of step 5), step 9), and step 16), the painting machine (1) moves close to the painting vehicle (C), but the control means (400) A moving unit 100 provided; A UV lamp 200 for irradiating ultraviolet rays necessary for painting the surface of the painting vehicle (C) through the control signal of the control means (400); and a lift 300 that is rotatably coupled with the UV lamp 200 but ascends and descends through a control signal of the control means 400; including, wherein the UV lamp 200 is rotatable with the lift 300 A first lamp member 210 coupled to each other, a second lamp member 220 mounted on one side or both sides of the first lamp member 210, and the first lamp member 210 and the second lamp member 220 It is installed between the second lamp member 220 and the first lamp member 210 and rotates, as well as includes a hinge member 240 provided to be detachably coupled to each other, the first lamp member The UV light source irradiated through the 210 and the second lamp member 220 is 390 to 400 nm, but the irradiation time is 0.5 to 10 seconds. The vehicle painting method used. According to claim 7, wherein the first lamp member 210 is made of a hollow housing shape with an open front surface, a plurality of discharge holes (H) are formed on the outer surface, and electrically connected to the control means (400) A first body 211 with an adapter (T) formed thereon; A first lamp panel 213 provided on the front surface of the first body 211 to irradiate ultraviolet rays by an applied power; Inside the first body 211 The first exhaust fan 215 is rotatably provided so that heat generated when the first lamp panel 213 is operated by the rotation is forcibly sucked and then discharged to the outside through the discharge hole H. ); and a bracket member 230 formed on an outer surface of the first body 211 and rotatably coupled to the lift 300; A vehicle painting method using a painting device having an ultraviolet irradiation function, characterized in that fixed coupling by means of a fastening means. The first lamp member according to claim 7, wherein the hinge member 240 is a pillar-shaped hinge shaft 241; (210) and a pair of coupling plates 243 to have a structure in which the second lamp member 220 can rotate with each other; and a fixing nut 245 provided to be screw-coupled to the upper part of the hinge shaft 241 and fixing the pair of coupling plates 243 according to the tightening thereof; including, but a pair of coupling plates 243 Any one is fixedly coupled to the first lamp member 210 by means of a fastening means, while the other is detachably coupled to the second lamp member 220 using a painting device having an ultraviolet irradiation function, characterized in that it is detachably coupled to the second lamp member 220. How to paint a vehicle. According to claim 7, wherein the lift 300 is at least one or more guide pillars 310 installed perpendicularly to the moving unit 100; One side is provided to be elevating along the guide pillars 310, but the other side has the The first lamp member 210 is mounted on a radially rotatable joint member 320; and a rotating member 330 that is installed so as to be able to move up and down along the joint member 320 and the other side rotates in the up and down direction around the one side of the joint member 320. Ultraviolet irradiation comprising a; A vehicle painting method using a painting device with a function.

Images