JP5675001B2 - Painting equipment - Google Patents

Description

  The present invention relates to a coating apparatus.

  In the manufacturing process of a ship, the process of painting the inner side surface or the outer side surface of a hull block with a paint is generally performed by an operator's manual work.

  At this time, it is not easy to uniformly coat the object to be coated having a low height such as the long side of the long block inside the hull block.

  And since the work space such as the inner surface of the hull block is almost sealed, the work of painting the surface to be painted with paint for a long time in such a sealed space is difficult even for skilled workers. It is.

  Further, the continuous exposure of the worker to the paint sprayed during the painting operation process may adversely affect the worker's body.

  Therefore, in a dangerous and inferior environment during the painting operation process, it is preferable to use an automated painting apparatus rather than an operator performing the painting operation directly, and thereby, Korean Patent Publication No. 10-2009-0111601 is used. As shown in, a painting apparatus that can automatically paint the inside of a hull block has been developed.

  However, since the interior of the hull block, which is a space where the automated painting apparatus performs painting work, is a sealed space like the painting apparatus presented in the Korean Patent Publication, the sealed space is thus It is necessary to develop a coating device that can prevent the danger of explosion due to electrical equipment connected to the coating device inside the painting work space while painting work.

  One embodiment of the present invention provides a coating apparatus that can reduce the risk of explosion.

  One embodiment of the present invention provides a coating apparatus that can coat a coating object having a low height such as a longe inside a hull block.

  According to one aspect of the present invention, a traveling module including a body including a first housing, the traveling wheel being provided outside, and the driving means for driving the traveling wheel being provided therein, A paint module including a paint gun that is movably provided, an air supply unit that supplies air at a first pressure to the paint gun in order to inject paint using the paint gun, and supplies electricity to the mobile module An on / off operation means for supplying and shutting off the high-pressure air supplied to the coating gun is located inside the first housing, and the inside of the first housing is sealed. A coating apparatus is provided.

  At this time, it may further include a sealing part provided between a rotation shaft of the traveling wheel connected to the driving unit and the first housing.

  At this time, the sealing portion is provided in the first housing, and is provided in a bracket in which an oil seal coupling hole and a bearing coupling hole are formed side by side, and in the bearing coupling hole of the bracket, and the rotating shaft is coupled. And an oil seal coupled to the oil seal coupling hole and through which the rotating shaft passes.

  Meanwhile, the coating apparatus may further include power transmission means for connecting the drive shaft of the drive means and the rotation shaft of the traveling wheel.

  At this time, the power transmission means provided on the drive shaft of the drive means includes a first belt connected to a rotation shaft of a front traveling wheel located in front of the traveling direction of the coating apparatus, and a traveling of the coating apparatus. The second belt connected to the rotating shaft of the rear traveling wheel located rearward when viewed from the direction can be included.

  Meanwhile, the air supply unit can inject air having a second pressure into the body.

  Meanwhile, the coating apparatus may further include an electrical board in which a regulator for adjusting the pressure of the air supplied from the air supply unit is provided.

  Meanwhile, the regulator includes a first regulator that forms the first pressure air supplied to the coating module, and a second regulator that forms the second pressure air supplied to the inside of the body. be able to.

  At this time, the first pressure may be higher than the second pressure.

  Meanwhile, the painting apparatus may further include a magnet provided on the bottom surface of the body.

  On the other hand, the first housing has an inverted U-shape, and the first housing has a first region where a rotating shaft of a front traveling wheel is located and a rotating shaft of a rear traveling wheel located in the first region. And a third region that is arranged in the running direction perpendicular to the first region and the second region that are aligned with each other and that is positioned on a side portion of the body.

  At this time, the body may be provided with a coating gun operating part installation base between the first region and the second region.

  At this time, the height of the coating gun operation unit installation base may correspond to the height of the bottom surface of the first housing.

  On the other hand, the paint gun includes a paint spray nozzle capable of spraying paint toward the surface to be painted. It is good to arrange so that it may be injected.

  At this time, the coating apparatus further includes a coating gun operating unit provided on the coating gun operating unit installation base so as to movably support the coating gun, and the coating gun operating unit includes the spray nozzle and the coating nozzle. A pivot operating part that operates the paint gun to be pivotable in the vertical direction with respect to the target surface, and one side supports the pivot operating part so that the height of the paint gun is adjusted, and the other side is the paint gun. And a height adjusting unit provided on the operating unit installation base.

  In this case, the height adjusting unit may include a plurality of support bars that can be raised and lowered by a pantograph method.

  At this time, the pivot operating unit includes a movable support unit coupled to an upper portion of the height adjusting unit, a coating gun support unit coupled to the coating gun and rotatable together with the coating gun, and the coating gun support unit. A driving motor for rotating the base; and a coating gun support base support part which rotatably supports the coating gun support base and is coupled to the movable support base on one side.

  At this time, the coating gun support base support portion is configured to be rotatable about a first bevel gear provided on a drive shaft of the drive motor and a pivot rotation shaft arranged perpendicular to the rotation shaft of the first bevel gear. A second bevel gear connected to one bevel gear, and one side of the pivot rotation shaft may be coupled to the paint gun support.

  At this time, the coating gun support base support part may include the drive motor, the first bevel gear, and a second housing incorporating the first bevel gear, and the inside of the second housing may be sealed.

  At this time, the inside of the second housing may be connected to the first housing so as to be able to communicate with the fluid and is filled with air having a second pressure.

  Meanwhile, the coating apparatus further includes a guide portion provided on the body so as to separate the body from the surface to be painted at a predetermined interval, and the guide portion is coupled to the body on one side and the other side on the other side. The guide arm may further include a guide arm extending in the lateral direction of the body, and a roller positioned at an end of the guide arm and rotatable in contact with the surface to be coated.

  On the other hand, the coating apparatus may further include distance sensors positioned on the front surface and the rear surface of the body as viewed from the moving direction of the body.

  On the other hand, the painting device may be provided with an emergency stop switch capable of stopping the operation of the controller and the driving means provided inside the housing outside the body.

  On the other hand, when viewed from the moving direction of the body, the traveling wheels are formed as a pair on both the front and rear sides, and on the coating target surface of the traveling wheels formed as a pair on the front and rear sides. A wheel cover may be formed on the upper portion of the adjacent traveling wheel.

  The coating apparatus according to an embodiment of the present invention can prevent the risk of explosion even if the painting work is performed in a sealed painting work space.

  When a coating apparatus according to an embodiment of the present invention is used, a coating object having a low height such as a longe can be easily painted.

It is a block diagram of the coating device concerning one Embodiment of this invention. It is the perspective view which looked at the movement module of the coating device concerning one Embodiment of this invention from one direction. It is the perspective view which looked at the movement module of the coating device concerning one Embodiment of this invention from the other direction. It is a perspective view of the drive part of the movement module of the coating device concerning one Embodiment of this invention. It is a top view of the drive part of the movement module of the coating device concerning one Embodiment of this invention, Comprising: It is a figure which shows the internal structure of a drive part. It is a fragmentary perspective view of the sealing part of the drive shaft of the drive part of the movement module of the coating device concerning one Embodiment of this invention. It is a disassembled perspective view of the sealing part of FIG. It is a fragmentary perspective view of the drive part of the movement module of the coating device concerning one Embodiment of this invention. It is a block diagram of the solenoid provided in the inside of the drive part of the movement module of the coating device concerning one Embodiment of this invention. It is the perspective view which looked at the movement module of the coating device concerning one Embodiment of this invention from the side surface. It is a perspective view of the painting gun operation part of the painting device concerning one embodiment of the present invention. It is a perspective view of the weaving axis drive part of the coating device concerning one embodiment of the present invention. It is a top view of the weaving axis drive part of the coating device concerning one embodiment of the present invention. It is a state figure in which the coating device concerning one embodiment of the present invention paints the surface to be painted.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily carry out the embodiments. The invention can be implemented in a variety of different forms and is not limited to the embodiments described herein. In the drawings, parts unnecessary for the description are omitted in order to clearly describe the present invention, and the same or similar components are denoted by the same reference numerals throughout the specification.

  FIG. 1 is a configuration diagram of a coating apparatus 1 according to an embodiment of the present invention.

  Referring to FIG. 1, the painting apparatus 1 according to an embodiment of the present invention may include a moving module 10, a painting module 250, an air supply unit 400, and a power supply unit 500.

  In the coating apparatus 1 according to the embodiment of the present invention, the coating gun (260 in FIG. 12) of the coating module 250 is mounted on the moving module 10, and while the moving module 10 moves, the coating spray nozzle ( The paint sprayed from 270) in FIG. 12 is configured to paint the surface to be painted.

  At this time, high-pressure air is supplied from the air supply unit 400 to the coating gun 260 of the coating module 250 in order to spray the coating from the coating spray nozzle 270 formed on the coating gun 260 of the coating module 250.

  At this time, the air supplied from the air supply unit 400 to the coating gun 260 of the coating module 250 is connected to the inside of the moving module 10 through the second air transfer pipe 420 and then transferred to the third air from the moving module 10. The pipe 430 is connected to the painting gun 260 of the painting module 250.

  At this time, the first regulator 310 is provided to adjust the air supplied from the air supply unit 400 to a pressure required by the coating gun 260 of the coating module 250.

  The first regulator 310 is located inside or outside the electrical board 300 and adjusts the pressure of the air supplied from the air supply unit 400 via the first air transfer pipe 410, and the pressure-adjusted air is supplied to the first regulator 310. It is supplied to the painting gun 260 of the painting module 250. At this time, the air supplied to the coating gun 260 of the coating module 250 is preferably high-pressure air of about 0.5 MPa. Hereinafter, the pressure of the air that is adjusted by the first regulator 310 and supplied to the coating gun 260 of the coating module 250 will be described as the first pressure.

  On the other hand, according to an embodiment of the present invention, the air at the first pressure from the first regulator 310 of the electrical board 300 is not directly connected to the coating gun 260 of the coating module 250 and is shown in FIG. As described above, after being connected to the inside of the moving module 10 through the second air transfer pipe 420, the moving module 10 is connected to the coating gun (260 in FIG. 12) of the coating module 250 through the third air transfer pipe 430. Is done.

  At this time, a solenoid valve 70 is provided inside the moving module 10 as means for turning on and off the supply of air supplied to the coating gun 260. The solenoid valve 70 is connected to a controller 92 inside the moving module 10 and controls the supply of air supplied to the coating gun 260.

  Meanwhile, according to the embodiment of the present invention, the second regulator 320 is connected to the fourth air transfer pipe 440 that is formed downstream of the first regulator 310 and is branched from the second air transfer pipe 420. The first regulator 310 causes the high pressure air whose air pressure is adjusted to have a lower pressure. At this time, the second regulator 320 may be provided inside or outside the electrical board 300 in the same manner as the first regulator 310. Thus, the lower pressure air whose pressure is adjusted by the second regulator 320 is preferably about 0.2 MPa. Hereinafter, the air pressure adjusted by the second regulator will be described as the second pressure.

  The second pressure air that has passed through the second regulator 320 is supplied to the inside of the moving module 10 through the fifth air transfer pipe 450, so that the inside of the moving module 10 has a second pressure higher than the atmospheric pressure. Formed.

  In this way, the interior of the moving module 10 is formed to have the second pressure higher than the atmospheric pressure, so that the interior of the hull block is sealed while the coating apparatus 1 performs the painting operation. This reduces the risk of the mobile module 10 exploding.

  Meanwhile, according to an embodiment of the present invention, a power supply unit 500 is provided to supply power to the moving module 10 of the coating apparatus 1. The power supply line 510 of the power supply unit 500 is connected to the moving module 10 through the electrical board 300.

  At this time, according to one embodiment of the present invention, the power supply line for supplying power from the power supply unit 500 to the moving module 10 and the air transfer pipe for supplying high-pressure air to the inside of the moving module are 1 It is good to provide in the inside of the cable which has one explosion-proof performance, and to be connected with the inside of a movement module.

  In the following, each configuration constituting the coating apparatus 1 according to an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 2 is a perspective view of the moving module of the coating apparatus according to the embodiment of the present invention as viewed from one direction. FIG. 3 is a perspective view of the moving module of the coating apparatus according to the embodiment of the present invention as seen from another direction. FIG. 4 is a perspective view of the drive unit of the moving module of the coating apparatus according to the embodiment of the present invention. FIG. 5 is a plan view of the drive unit of the moving module of the coating apparatus according to the embodiment of the present invention, and shows the internal structure of the drive unit.

  2 to 5, the moving module 10 of the coating apparatus 1 according to the embodiment of the present invention includes a drive unit 20, a coating gun operation unit 100, and a guide unit 130.

  The drive unit 20 includes a body 30 provided with drive means for moving the movement module 10 of the coating apparatus 1 and a traveling wheel 40 rotated by the drive means.

  At this time, the body 30 includes a first housing 50 and a paint gun operation unit installation base 52.

  At this time, driving means for driving the traveling wheel 40 is provided in the first housing. At this time, the drive means may include a drive motor (80 in FIG. 5) and power transmission means for transmitting the power of the drive motor to the traveling wheel 40.

  In one embodiment of the present invention, the power transmission means is provided on the drive shaft 81 of the drive motor 80, pulleys 82, 84, 44 provided on the travel shaft 42 of the travel wheel 40, and the pulleys 82, 84, 44. Belt 45.

  Accordingly, the first housing 50 of the moving module 10 according to the embodiment of the present invention includes a driving motor 80 that drives the traveling wheel 40 of the moving module 10 and a pulley that transmits the driving force of the driving motor 80 to the traveling wheel 40. 82, 84, 44 and the belt 45 are formed of a sealed rigid member located inside.

  More specifically, referring to FIG. 5, the first housing 50 may have an inverted “U” shape as a whole, as can be seen from FIG. 5.

  In the present embodiment, the interior of the first housing 50 having an inverted “U” shape is perpendicular to the traveling direction on the front side of the first housing 50 when the traveling direction of the moving module 10 is the upward direction in FIG. 5. A first region 50a formed in a vertical direction, a second region 50b formed in a direction perpendicular to the traveling direction on the rear side of the first housing 50 in the traveling direction of the moving module 10, and the first region 50a and the second region The region 50b may be connected to the third region 50c formed on one side of the body so as to be aligned in the traveling direction.

  At this time, the first region 50a, the second region 50b, and the third region 50c of the first housing 50 are formed such that the inside is connected to each other and is sealed from the outside.

  In the first region 50a of the first housing 50, a drive motor 80, a solenoid valve 70, and a first travel shaft 42a that couples the pair of first travel wheels 40a are located. The first travel shaft 42a is rotatably connected to the drive motor 80 by a pulley and a belt.

  The drive motor 80 is arranged to extend in a direction perpendicular to the traveling direction of the moving module 10. Two pulleys 82 and 84 are coupled to the drive shaft 81 of the drive motor 80.

  One pulley 82 of the two pulleys 82 and 84 is connected by a first pulley 44a and a belt 45 coupled to the first travel shaft 42a.

  The other pulley 84 is constituted by a second pulley 44b and a belt 45 that are coupled to a second traveling shaft 42b that connects a second traveling wheel 40b located on both sides of the second region 50b of the first housing 50. Connected.

  Thus, as the drive motor 80 is operated, the first traveling wheel 40a and the second traveling wheel 40b are simultaneously rotated so that the moving module 10 can move.

  A controller 92 for controlling the operation of the moving module 10 is provided in the third region 50 c of the first housing 50.

  The controller 92 controls the operation of the coating apparatus 1 such as the paint injection operation by the on / off operation of the solenoid valve 70, the start and end of travel of the moving module 10, and the confirmation of the end point detected by the distance detection sensor 94.

  Meanwhile, according to the embodiment of the present invention, the body 30 of the driving unit 20 of the moving module is provided between the first region 50a and the second region 50b on the outer side of the first housing 50 and the third region 50c. Is provided with a coating gun actuating part installation base 52.

  At this time, the painting gun operation unit installation base 52 may be formed of a square plate-shaped member formed at the same height as the bottom surface of the first housing 50 of the moving module 10. A painting gun operation unit 100 is provided on the painting gun operation unit installation base 52.

  The paint gun operation unit 100 includes a height adjustment unit (110 in FIG. 11) for operating the paint gun 260 up and down, and a pivot operation unit (210 in FIG. 11) capable of pivoting the paint injection nozzle 270. Including. A more detailed description of the height adjustment unit 110 and the pivot operation unit 210 will be described later.

  On the other hand, in one embodiment of the present invention, a pair of magnetic bodies 90 are provided on both sides of the lower surface of the body 30 including the first housing 50 and the paint gun operation unit installation base 52.

  At this time, as shown in FIG. 5, the pair of magnetic bodies 90 is formed of a bar-shaped member extending between the first traveling wheel 40 a and the second traveling wheel 40 b in a direction aligned with the traveling direction. Good. However, the shape and position of the magnetic material are not limited to this.

  The pair of magnetic bodies 90, such as when the moving module 10 paints the inside of a hull made of iron, moves like a side wall or a long side while moving on the bottom made of a material such as iron. When a surface to be painted is to be painted, a force that pulls the moving module 10 toward the bottom surface is provided, so that the moving module 10 can stably travel on the bottom surface.

  On the other hand, distance detection sensors 94 are provided on the front surface and the rear surface as viewed from the traveling direction of the moving body 30.

  When the moving body 30 travels and paints, the distance detection sensor 94 checks whether there is an obstacle in front or behind the moving body 30, or measures the distance to the obstacle located in front or behind. Like that.

  The distance detection sensor 94 is connected to the controller 92 inside the third region 50c.

  When the controller 92 performs painting based on the distance signal transmitted from the distance sensing sensor 94, when there is an obstacle such as a wall surface on the front side in the moving direction of the moving body 30, the movement of the moving module 10 is performed. It is possible to determine when to stop.

  On the other hand, in the embodiment of the present invention, the inside of the first housing 50 must be kept sealed. For this reason, the sealing portion 60 is provided on the first traveling shaft 42a and the second traveling shaft 42b. Provided.

  The sealing part 60 is provided on the first traveling shaft 42a and the second traveling shaft 42b at a position adjacent to the pair of first traveling wheel 40a and second traveling wheel 40b. Hereinafter, the sealing unit will be described in more detail with reference to the drawings.

  FIG. 6 is a partial perspective view of the sealing portion 60 of the drive shaft of the drive unit of the moving module of the coating apparatus according to the embodiment of the present invention. FIG. 7 is an exploded perspective view of the sealing portion 60 of FIG.

  Referring to FIGS. 6 and 7, the sealing part 60 may include a bracket 62, a bearing 66, and an oil seal 68.

  The bracket 62 is coupled to the side wall 51 of the first housing 50 so that the bearing 66 and the oil seal 68 can be installed on the side wall 51 of the first housing 50.

  An oil seal coupling hole 64 and a bearing coupling hole 63 are formed at the center of the bracket 62 so that the oil seal 68 and the bearing 66 can be coupled to each other.

  The oil seal coupling hole 64 and the bearing coupling hole 63 are formed side by side in the axial direction of the first traveling shaft 42a.

  The oil seal 68 is a ring-shaped member that is coupled to the inside of the oil seal coupling hole 64 and is formed so that the traveling shaft passes therethrough, and contaminants such as dust flow into the first housing 50. To prevent.

  The bearing 66 is coupled to the inside of the bearing coupling hole 63 so as to support the rotation of the traveling shaft.

  According to the present embodiment, the bracket 62 is coupled to the hole 55 formed in the side wall 51 of the first housing 50 in a state where the oil seal 68 and the bearing 66 are coupled to the bracket 62. The oil seal 68 and the bearing 66 can be easily coupled to the side wall 51 of the first housing 50.

  FIG. 8 is a partial perspective view of the drive unit 20 of the moving module 10 of the coating apparatus 1 according to the embodiment of the present invention. FIG. 9 is a configuration diagram of the solenoid valve 70 provided in the drive unit 20 of the moving module 10 of the coating apparatus according to the embodiment of the present invention. At this time, in FIG. 9, the wiring connection line 170 and the plurality of air transfer pipes 420, 430, 450, and 460 of FIG. 8 are arranged in a line.

  Referring to FIGS. 1, 5, 8, and 9, among the upper surfaces of the first housing 50, the upper surface of the first region 50 a includes a wiring connection line 170, a second air transfer pipe 420, A third air transfer pipe 430, a fifth air transfer pipe 450, and a sixth air transfer pipe 460 are provided.

  In the wiring connection line 170, an electric device provided in the first housing 50, for example, a controller 92 or the like to drive an electric device in the second housing 220, for example, a drive motor (see FIG. 13). 230) is provided.

  The second air transfer pipe 420 is a pipe that transfers the air having the first pressure output from the first regulator 310 to the solenoid valve 70 in the first housing 50.

  The third air transfer pipe 430 is a pipe for guiding the air having the first pressure from the solenoid valve 70 to the coating gun 260. As a result, the first pressure air is supplied into the painting gun 260 via the painting gun support 247 (see FIG. 12).

  The fifth air transfer pipe 450 is a pipe for allowing the air of the second pressure that has come out of the second regulator 320 to flow into the first housing 50. Thereby, the inside of the first housing 50 is filled with air of the second pressure.

  The sixth air transfer pipe 460 is a pipe connected to one side of the second housing 220 in order to supply the second pressure air inside the first housing 50 to the second housing 220.

  At this time, air fitting may be provided on the outer surface of the first housing 50 at a position where each air transfer pipe is connected to the housing.

  The solenoid valve 70 is connected to the controller 92 and can control the amount of the first pressure air supplied to the coating module 250.

  On the other hand, the cable gland 160, the operation switch 150, and the emergency stop switch 140 are located on the upper surface of the second region 50b of the first housing 50.

  The cable gland 160 is formed on the outer surface of the first housing 50 in order to connect a cable such as a power cable from the electrical board 300 to the inside of the first housing 50.

  The operation switch 150 may be, for example, a push type or a toggle type, and may include an on / off switch for operating the movement module 10 and a direction setting switch for setting the forward and reverse directions of the movement module 10. .

  The emergency stop switch 140 is formed to be connected to the power source of the drive motor 80 and the power source of the controller 92, and can be used for an application for stopping the operation of the coating apparatus 1 in an emergency.

  At this time, the cable gland 160, the operation switch 150, and the emergency stop switch 140 provided outside the first housing 50 are dangerous because the moving module 10 of the painting apparatus 1 may explode inside the painting work space where painting is performed. Since it is easy to be exposed to the situation, it is preferable to be an explosion-proof type.

  FIG. 10 is a perspective view of a part of the moving module 10 of the coating apparatus 1 according to the embodiment of the present invention as viewed from the side.

  Referring to FIG. 10, the guide unit 130 of the moving module 10 includes a guide arm 132 and a guide wheel 136.

  A pair of guide arms 132 are provided on the front surface and the rear surface of the moving module 10 in the traveling direction of the moving module 10.

  At this time, a guide slit 139 is formed at one end of the guide arm 132, and the coupling bolt 138 passes through the guide slit 139 and is coupled to the coupling hole 57 formed on the front surface or the rear surface of the moving module 10. Formed.

  At this time, a plurality of guide slits 139 may be formed side by side in the length direction of the guide arm 132, and at least one coupling bolt 138 passes through each guide slit 139 and is coupled to each guide slit 139. It is formed so as to be coupled to the hole 57.

  When the coupling bolt 138 is coupled to the coupling hole 57, one side surface of the guide arm 132 is pressed to fix the position of the guide arm 132.

  According to the embodiment of the present invention, when the coupling bolt 138 is coupled to the coupling hole 57 through the guide slit 139, the position of the guide arm 132 is adjusted so that the guide arm 132 is moved in the traveling direction of the moving module 10. The length protruding in the vertical direction can be adjusted.

  A guide wheel 136 is rotatably provided at the other end of the guide arm 132.

  The guide wheel 136 is formed to rotate in contact with the painting target surface while the moving module 10 moves along the painting target surface adjacent to the painting target surface. Thereby, the relative distance of the moving module 10 with respect to the surface to be coated can be kept constant during the painting operation.

  At the other end of the guide arm 132, a support arm 134 is provided perpendicular to the extending direction of the guide arm 132. As a result, the distance between the other end portions of the pair of guide arms 132 can be maintained constant.

  On the other hand, as can be seen from FIG. 10, a wheel cover 46 is provided on the traveling wheel 40 of the moving module 10 that is located on the side portion adjacent to the surface to be painted.

  The wheel cover 46 is a component for preventing the paint scattered in the air from covering or contaminating the traveling wheel 40 when the paint is sprayed onto the surface to be painted.

  At this time, the traveling wheel located on the side far from the traveling target surface scatters less paint than the traveling wheel located on the side adjacent to the traveling target surface, so that the contamination by the scattered paint is less. That's it. Thus, in this embodiment, the wheel cover is provided only on the upper side of the traveling wheel adjacent to the surface to be painted, but it is also possible to provide the wheel cover on the upper side of all traveling wheels for the same purpose. .

  FIG. 11 is a perspective view of a coating gun operation part of the coating apparatus according to the embodiment of the present invention. FIG. 12 is a perspective view of the weaving shaft driving unit of the coating apparatus according to the embodiment of the present invention. FIG. 13 is a plan view of the weaving shaft driving unit of the coating apparatus according to the embodiment of the present invention.

  Referring to FIG. 11, the coating gun operation unit 100 includes a height adjustment unit 110 and a pivot operation unit 210.

  The height adjustment unit 110 is provided on the upper side of the painting gun operation unit installation base 52. The height adjusting unit 110 may include a plurality of support bars 111a, 111b, 113b, 113a, 115a, and 115b that can operate in the direction of arrow I, that is, in the vertical direction as viewed from FIG.

  More specifically, referring to FIG. 11, the plurality of support bars 111a, 111b, 113b, 113a, 115a, and 115b are a pair of lower support bars that are rotatably provided on the pair of lower hinge shafts 112a and 112b, respectively. 111a, 111b, a pair of central support bars 113b, 113a rotatably connected to the upper ends of the lower support bars 111a, 111b, and rotatably connected to the upper ends of the central support bars 113b, 113a And a pair of upper support bars 115a and 115b.

  At this time, the upper ends of the lower support bars 111a and 111b and the lower ends of the center support bars 113b and 113a are coupled to the first connecting shafts 114a and 114b.

  A second connecting shaft 118 is coupled to the central portion of the pair of central support bars 113b and 113a.

  The upper ends of the pair of central support bars 113b and 113a and the lower ends of the upper support bars 115a and 115b are coupled to the third connecting shafts 116a and 116b.

  Upper hinge shafts 117a and 117b are coupled to upper end portions of the upper support bars 115a and 115b, and a coating gun 260 and a pivot operation unit 210 are provided on the upper portions of the upper hinge shafts 117a and 117b.

  In this manner, the lower support bars 111a and 111b, the central support bars 113b and 113a, and the upper support bars 115a and 115b are coupled to each other, and the lower support bars 111a and 111b, the central support bars 113b and 113a, and the upper support As the bars 115a and 115b rotate, the coating gun 260 and the pivot operation unit 210 can move in the vertical direction (arrow I direction) as seen from FIG. That's it.

  At this time, one or more hydraulic cylinders (not shown) are connected to each support bar to rotate the lower support bars 111a and 111b, the center support bars 113b and 113a, and the upper support bars 115a and 115b. It may be coupled to any one or more of the first to third connecting shafts 114a, 114b, 118, 116a, 116b.

  Meanwhile, the height adjustment unit 110 according to the embodiment of the present invention is configured by a plurality of support bars that operate in a rhombus pantograph system, but the height adjustment unit 110 for adjusting the height of the movable support base 119 is used. The structure may be composed of various known structures.

  For example, after moving the moving support base up and down using a hydraulic cylinder, or after providing a vertical support base on the upper side of the body, the vertical support base can be moved in the vertical direction by sliding method. It is also possible to configure.

  On the other hand, the pivot operation unit 210 provided on the height adjustment unit 110 includes a moving support base 119, a paint gun support base support part 212, and a paint gun support base 247.

  Referring to FIG. 11, the movement support base 119 may be formed of a rectangular plate-like member provided at the upper end of the height adjustment unit 110. At this time, a paint gun support base support 212 for rotatably supporting the paint gun support base 247 is coupled to one side corner of the movable support base 119.

  Referring to FIGS. 12 and 13, the coating gun support base support part 212 includes a second housing 220, a drive motor 230, and a bevel gear part 240.

  The second housing 220 is a hexahedral member whose one side surface is coupled to one side corner of the movable support base 119, and is sealed from the outside in order to protect the drive motor 230 and the bevel gear portion 240 located inside. It consists of a structure.

  Referring to FIG. 12, on one side of the second housing 220, a wiring connection line 170 that connects the wiring from the first housing 50 to the inner side of the second housing 220, and a first connection from the inside of the first housing 50. A sixth air transfer pipe 460 for injecting two pressure air into the second housing 220 is connected. As a result, the inside of the second housing 220 is filled with air of the second pressure.

  On the other hand, a drive motor 230 and a bevel gear portion 240 are provided in the second housing 220.

  At this time, the drive motor 230 is formed so that the drive shaft 232 extends in a direction toward the painting target surface.

  A first bevel gear 242 of the bevel gear unit 240 is coupled to the drive shaft 232 of the drive motor 230. A second bevel gear 244 is rotatably connected to the first bevel gear 242 about a weaving shaft 246 perpendicular to the rotation axis of the first bevel gear 242.

  The weaving shaft 246 extends from the front side of the drive motor 230 in the second housing 220 to the left side as viewed in FIG. 13 and is connected to the coating gun support 247.

  The coating gun support 247 is formed to be rotatable with the rotation of the weaving shaft 246.

  At this time, a sealing portion having a structure similar to that provided in the first housing 50 is provided between the weaving shaft 246 and the second housing 220 in order to seal the inside of the second housing 220. Good.

  On the other hand, according to an embodiment of the present invention, the coating gun 260 is provided below the coating gun support 247. Thus, when the coating gun support 247 rotates, the coating gun 260 is formed to be rotatable together.

  More specifically, as the first bevel gear 242 and the second bevel gear 244 are rotated by the drive motor 230, the paint gun support 247 and the paint gun 260 coupled to the weaving shaft 246 that is the rotation shaft of the second bevel gear 244 are as follows. As can be seen from FIG. 12, it is formed so as to be rotatable in the direction of arrow II.

  At this time, the coating gun 260 can reciprocate in the vertical direction with respect to the surface to be coated (4 in FIG. 14) along the rotation direction of the drive motor 230. The reciprocating rotation of the gun in the vertical direction within a predetermined angle range is referred to as “pivot rotation” or “weaving” in this specification.

  Meanwhile, according to an embodiment of the present invention, the painting module 250 includes a painting gun 260 and a paint supply unit 280.

  The paint gun 260 includes a support body 261 that supports the paint spray nozzle 270 so that the paint spray nozzle 270 is positioned on one end side, and the support body 261 is pivotally supported by the paint gun support base 247. .

  Referring to FIGS. 12 and 13, a third air transfer pipe 430 for supplying air at the first pressure to the coating gun 260 is connected to the coating gun support 247, and the coating gun is supported via the coating gun support 247. 260 is supplied with air of a first pressure.

  The coating gun 260 is connected to the coating material supply unit 280 by a coating material supply line 281 and is formed so that the coating material can be supplied to the coating gun in the process of performing the coating operation.

  Referring to FIG. 13, the paint supply line 281 extended from the paint supply unit 280 is connected to the paint gun 260 through one side of the paint gun support 271. At this time, although not shown, the paint supply unit 280 may include a paint storage unit and a paint supply pump.

  The paint spray nozzle 270 provided at one end of the paint gun 260 may be configured to be inclined upward as shown in FIG.

  In this way, when the paint spray nozzle 270 is formed in an upwardly inclined form, for example, when painting a long long, the paint gun 260 may collide with the bottom when pivoting the paint gun. Can be prevented.

  FIG. 14 shows a state in which the painting apparatus having the above-described configuration is driven to paint the painting target surface 4, for example, the side surface of the longe 2 provided inside the hull.

  Referring to FIG. 14, the coating apparatus 1 according to an embodiment of the present invention adjusts the height of the coating gun operation unit 100 to coat the coating target surface 4 such as the lower side or upper side of the longe 2. be able to.

  At this time, when painting the side surface of the painting target surface 4, as an embodiment of the painting method, the painting apparatus performs painting in a state where the height adjustment unit 110 of the painting gun operation unit 100 is positioned at a predetermined height. Only the gun 260 is pivoted, and while the coating gun 260 is pivoted in this way, the moving module 10 can perform painting on the painting target surface 4 while moving along the painting target surface 4.

  As described above, when the coating is performed while moving the moving module 10 while the coating gun 260 is pivoted, the coating target surface 4 can be uniformly coated.

  At this time, in addition to the method described in the present embodiment, the method of performing the coating on the coating target surface 4 using the coating apparatus 1 according to the present embodiment includes the position of the coating target surface 4 and the width of the coating target surface. Various changes can be made according to the condition of the surface to be painted.

  Moreover, when performing coating using the coating apparatus according to the embodiment of the present invention, the rotation angle and rotation speed of the coating gun 260 are the distance between the coating target surface 4 on which the paint is sprayed and the coating apparatus 1, Various settings can be made according to the amount of paint to be sprayed, the moving speed of the coating apparatus 1, and the like.

  As described above, the coating apparatus 1 according to the embodiment of the present invention includes the height adjusting unit 110 so that the position of the coating gun 260 can be changed according to the height of the coating target surface 4. The surface 4 to be painted having various heights can be painted.

  And since the coating device 1 concerning one Embodiment of this invention performs a coating operation | work, while the coating spray nozzle of a coating gun rotates, it can coat the coating object surface 4 to uniform thickness.

  In addition, the moving module 10 of the painting apparatus 1 according to the embodiment of the present invention is configured to drive the inside of the first housing surrounding the driving motor for rotating the traveling wheel and the pivot operating unit for pivoting the coating gun. Since air having a predetermined pressure is injected into the second housing surrounding the motor, the risk of explosion of the coating apparatus can be reduced.

  Furthermore, the coating apparatus according to an embodiment of the present invention includes a solenoid of on / off means for adjusting the amount of high-pressure air when supplying high-pressure air for injecting paint by the coating gun through the coating gun. By providing the valve inside the first housing of the moving module, the risk of explosion during the painting operation can be reduced.

  As mentioned above, although the coating apparatus concerning one Embodiment of this invention was demonstrated, the thought of this invention is not restrict | limited to embodiment shown in this specification, and those skilled in the art who understand the idea of this invention have the same idea. Within the scope, other embodiments can be easily proposed by addition, modification, deletion, addition, etc. of components, and this also falls within the scope of the idea of the present invention.

  The coating apparatus according to an embodiment of the present invention can prevent the risk of explosion even if the painting work is performed in a sealed painting work space.

  When a coating apparatus according to an embodiment of the present invention is used, a coating object having a low height such as a longe can be easily painted.

Claims (24)

A travel module having a body including a first housing, the travel wheel being provided outside, and the driving means for driving the travel wheel being provided inside;
A painting module including a painting gun provided on the moving module so as to be movable up and down;
An air supply unit for supplying air of a first pressure to the coating gun in order to inject the paint using the coating gun;
A power supply unit for supplying electricity to the moving module,
An on / off operation means for supplying and shutting off high-pressure air supplied to the coating gun is located inside the first housing, and the inside of the first housing is hermetically sealed.   The coating apparatus according to claim 1, further comprising a sealing portion provided between a rotation shaft of the traveling wheel connected to the driving unit and the first housing. The sealing part is
A bracket provided in the first housing and having an oil seal coupling hole and a bearing coupling hole formed side by side;
A bearing provided in the bearing coupling hole of the bracket and coupled to the rotating shaft;
The coating apparatus according to claim 2, further comprising an oil seal coupled to the oil seal coupling hole and through which the rotating shaft passes.   The coating apparatus according to claim 1, further comprising power transmission means for connecting a drive shaft of the drive means and a rotation shaft of the traveling wheel. The power transmission means provided on the drive shaft of the drive means,
A first belt connected to a rotating shaft of a front traveling wheel located in front of the traveling direction of the coating apparatus;
The coating apparatus according to claim 4, further comprising: a second belt connected to a rotating shaft of a rear traveling wheel positioned rearward when viewed from a traveling direction of the coating apparatus.   The coating apparatus according to claim 1, wherein the air supply unit injects air having a second pressure into the body.   The coating apparatus according to claim 6, further comprising an electrical board in which a regulator for adjusting a pressure of the air supplied from the air supply unit is provided. The regulator is
A first regulator that forms air of the first pressure supplied to the coating module;
The coating apparatus according to claim 7, further comprising a second regulator that forms air of the second pressure supplied to the inside of the body.   The coating apparatus according to claim 8, wherein the first pressure is higher than the second pressure.   The coating apparatus according to claim 1, further comprising a magnet provided on a bottom surface of the body. The first housing has an inverted U shape,
The inside of the first housing is
A first region where the rotational axis of the front traveling wheel is located;
A second region where the rotation axis of the rear traveling wheel is located and arranged side by side with the first region;
The coating apparatus according to claim 1, further comprising a third region that is arranged in a running direction perpendicular to the first region and the second region that are aligned with each other and that is positioned on a side portion of the body.   The coating apparatus according to claim 11, wherein the body is provided with a coating gun operation unit installation base between the first region and the second region.   The coating apparatus according to claim 12, wherein a height of the painting gun operation unit installation base corresponds to a height of a bottom surface of the first housing.   The paint gun includes a paint spray nozzle capable of spraying paint toward a surface to be coated. The paint spray nozzle sprays paint in a direction inclined obliquely upward with respect to the paint target surface. The coating apparatus according to claim 13, wherein the coating apparatus is arranged as follows. A paint gun actuating part provided on the paint gun actuating unit installation base so as to movably support the paint gun;
The paint gun operating part is
A pivot actuating portion for actuating the coating gun so that the spray nozzle can pivot in the vertical direction with respect to the surface to be painted;
The height adjustment unit according to claim 1, further comprising a height adjustment unit provided on the painting gun operation unit installation base, wherein one side supports the pivot operation unit and the other side is configured to adjust a height of the paint gun. 14. The coating apparatus according to 14.   The coating apparatus according to claim 15, wherein the height adjustment unit includes a plurality of support bars that can be raised and lowered by a pantograph method. The pivot operating part is
A movable support coupled to the upper portion of the height adjustment unit;
A paint gun support coupled to the paint gun and rotatable with the paint gun;
A driving motor for rotating the coating gun support; and a coating gun support base support part that rotatably supports the coating gun support base and is coupled to the movable support base on one side. The coating apparatus according to claim 15. The paint gun support base support is
A first bevel gear provided on a drive shaft of the drive motor;
A second bevel gear coupled to the first bevel gear so as to be rotatable about a pivot rotation axis arranged perpendicular to the rotation axis of the first bevel gear;
The coating apparatus according to claim 17, wherein one side of the pivot rotation shaft is coupled to the coating gun support. The paint gun support base support portion includes the drive motor, the first bevel gear, and a second housing incorporating the first bevel gear,
The coating apparatus according to claim 18, wherein the interior of the second housing is hermetically sealed.   The coating apparatus according to claim 19, wherein the interior of the second housing is connected to the first housing so as to be in fluid communication and is filled with air at a second pressure. A guide portion provided on the body so as to be spaced apart from the surface to be painted at a predetermined interval;
The guide portion is
A guide arm having one side coupled to the body and the other side extending in a lateral direction of the body;
The coating apparatus according to claim 1, further comprising a roller positioned at an end of the guide arm and rotatable in contact with the surface to be coated.   The coating apparatus according to claim 1, further comprising distance sensors positioned on a front surface and a rear surface of the body as viewed from a moving direction of the body.   2. The coating apparatus according to claim 1, wherein an emergency stop switch capable of stopping the operation of a controller provided in the housing and the driving means is provided outside the body. The traveling wheels are formed in pairs on both the front side and the rear side as viewed from the moving direction of the body,
A wheel cover is formed on an upper portion of the traveling wheel located adjacent to the surface to be painted among a pair of traveling wheels formed on the front both sides and the rear both sides. Item 2. The coating apparatus according to Item 1.

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