KR20090053247A - Apparatus for applying paint to conduit - Google Patents

Abstract

The present invention relates to a conduit coating device for painting the inner peripheral surface of the conduit after removing the scale and the like from the inner peripheral surface of the aged conduit.

Conduit coating device according to the invention is equipped with a storage tank 110 and the paint pumping device 120 for storing the paint in the transport cart 100, the fixed shaft of the rotary joint (1) at the rear end of the transport cart (100) (10) is mounted, the first outer rotary shaft 20 and the second outer rotary shaft 30 is mounted on the fixed shaft 10, the paint is the first outer through the fluid passage 11 of the fixed shaft (10) It is supplied to the outlet 21, 31 of the rotary shaft 20 and the second outer rotary shaft 30, the paint is supplied to the injection gun (140, 145) through the hoses 61, 62 at the outlet 21, 31 The first pulley 23 is mounted at one end of the first outer rotation shaft 20, the power of the first motor 130 mounted on the transport trolley is transmitted to the first pulley 23, and the fixed shaft ( 10, an inner rotation shaft 40 is mounted inside the flange 10, one end of the second outer rotation shaft 30 and the flange portion 41 formed on one end of the inner rotation shaft 40 is coupled by a bolt 42, the inner The other end of the rotary shaft 40 The second pulley 43 is mounted to the second pulley 43, and the power of the second motor 145 mounted inside the transport cart 100 is transmitted to the second pulley 43, thereby the first pulley 23 The first rotating body 150 mounted on the first outer rotating shaft 20 is rotated in one direction, and the second rotating body 155 mounted on the second outer rotating shaft 30 by the second pulley 43 is rotated. The spray gun 140 mounted on the first rotating body 150 and the spray gun 145 mounted on the second rotating body 155 are rotated in the opposite directions of the first rotating body 150 to face each other. It is characterized by spraying the paint while rotating.

Description

Conduit Coating Equipment {APPARATUS FOR APPLYING PAINT TO CONDUIT}

The present invention relates to a conduit coating device for coating the inner peripheral surface of the conduit after removing the scale and the like from the inner peripheral surface of the aging conduit, more specifically, the first rotary body in any one direction by a rotary joint mounted on the rear of the transfer bogie Rotated, the second rotating body is rotated in the opposite direction of the first rotating body, and when the spray gun mounted on the first rotating body rotates clockwise to spray the paint supplied through the rotary joint to the inner circumferential surface of the conduit, It relates to a conduit coating device for spraying the paint supplied through the rotary joint to the inner peripheral surface of the conduit while the spray gun mounted on the second rotating body rotates in the counterclockwise direction.

Korean Patent No. 0772938 (registered on October 29, 2007) of the applicant discloses a "conduit coating device."

The conduit coating device is equipped with a storage container for storing the paint in the vehicle to proceed in the automatic driving method and the liquid material supply pumping device, one end of the rotary joint is connected to the rear end of the vehicle, the rotating body is connected to the other end of the rotary joint It is mounted so as to rotate relative to the rotary joint, the rotor and the rim is connected by the spokes, the injection nozzle device is mounted to the piston rod of the cylinder mounted on the spokes, and the paint supply port formed at the other end of the rotary joint and The injection nozzle apparatus is connected by a hose, and the pulley of the rotating body and the motor mounted on the vehicle are connected by a belt.

However, the conduit coating device, as shown in Figure 1, because the injection nozzle device 200 is rotated only in one direction by the rotating body 210, the projection 230 formed on the inner peripheral surface of the conduit (CD) There is a disadvantage in that the shade portion 231 can not be painted.

Accordingly, an object of the present invention is to rotate the first rotating body in either direction by the rotary joint mounted on the rear of the feed cart, the second rotating body is rotated in the opposite direction of the first rotating body, the first rotating body When the spray gun mounted on the spray gun rotates clockwise and sprays the paint supplied through the rotary joint to the inner circumferential surface of the conduit, the spray gun mounted on the second rotating body rotates counterclockwise and the paint feed through the rotary joint It can be sprayed to the inner circumferential surface of the conduit, by coating the inner circumferential surface of the conduit in both directions, to provide a conduit coating device that can prevent the occurrence of the shade portion is not applied to the inner circumferential surface of the conduit.

Conduit coating device according to the present invention for achieving the above object is equipped with a reservoir and a paint pumping device for storing the paint in the transport cart, the fixed shaft of the rotary joint is mounted on the rear end of the transport cart, A first outer rotating shaft and a second outer rotating shaft are mounted so that the paint is supplied to the outlet of the first outer rotating shaft and the second outer rotating shaft through the fluid passage of the fixed shaft, the paint is supplied to the spray gun through the hose at the outlet, A first pulley is mounted on one end of the first outer rotary shaft, power of the first motor mounted on the transport trolley is transmitted to the first pulley, and an inner rotary shaft is mounted on the inner side of the fixed shaft, and formed on one end of the inner rotary shaft. The flange portion and one end of the second outer rotation shaft are coupled by bolts, and the second pulley is mounted on the other end of the inner rotation shaft, and the second motor is mounted inside the feed cart. As power is transmitted to the second pulley, the first rotating body attached to the first outer rotating shaft by the first pulley is rotated in either direction, and the second rotating body mounted to the second outer rotating shaft by the second pulley. Is rotated in the opposite direction of the first rotating body, the spray gun mounted on the first rotating body and the spray gun mounted on the second rotating body to spray the paint while rotating in the opposite direction to each other.

The fixed end is a flange portion formed at one end is fixed to the rear end of the feed cart by a bolt, the wire is inserted into the fixed end, the power wire is attached to one end of the first outer rotary shaft and one end of the second outer rotary shaft It is characterized in that it is electrically connected to the power terminal attached to.

The spray gun is characterized in that the rod portion can be drawn in or drawn out by hydraulic pressure from the rotating body to be suitable for the diameter of the conduit, it can be disposed close to the inner peripheral surface of the conduit.

Thereby, the conduit coating device according to the present invention rotates in the opposite direction to the first outer rotational shaft and the second outer rotational shaft mounted on the fixed shaft, so that when the projection is formed on the inner peripheral surface of the conduit, the first outer rotational shaft When the spray gun of the first rotating body mounted rotates in one direction, the one side slope of the protrusion formed on the inner circumferential surface of the conduit is painted, and the spray gun of the second rotating body mounted on the second outer rotating shaft rotates in the opposite direction. In this case, the other slope of the protrusion may be coated, thereby preventing formation of a shade portion of the protrusion not coated with the coating, and the inner circumferential surface of the conduit may be uniformly coated.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

2 to 4, the conduit coating device according to the present invention is equipped with a storage tank 110 and a paint pumping device 120 for storing the paint in the transport cart 100, the rear end of the transport cart 100 The fixed shaft 10 of the rotary joint 1 is mounted, and the first outer rotary shaft 20 and the second outer rotary shaft 30 are mounted on the fixed shaft 10, so that the paint is applied to the fluid of the fixed shaft 10. It is supplied to the outlets 21 and 31 of the 1st outer rotating shaft 20 and the 2nd outer rotating shaft 30 through the passage 11, The said paint is discharged through the hoses 61 and 62 in the outlets 21 and 31. As shown in FIG. The first pulley 23 is supplied to one of the spray guns 140 and 145, and the first pulley 23 is mounted at one end of the first outer rotary shaft 20, and the power of the first motor 130 mounted on the transport cart is controlled by the first pulley ( 23, an inner rotation shaft 40 is mounted inside the fixed shaft 10, and one end of the flange portion 41 and the second outer rotation shaft 30 formed at one end of the inner rotation shaft 40 are bolted. Bound by 42 The second pulley 43 is mounted at the other end of the inner rotation shaft 40, and the power of the second motor 145 mounted inside the transport cart 100 is transmitted to the second pulley 43. The first rotating body 150 mounted to the first outer rotating shaft 20 by the first pulley 23 is rotated in one direction, and the second outer rotating shaft 30 by the second pulley 43. The mounted second rotating body 155 is rotated in the opposite direction of the first rotating body 150 to be mounted on the spray gun 140 and the second rotating body 155 mounted on the first rotating body 150. The spray gun 145 rotates in the opposite direction to spray the paint.

5 and 6, the fixed end 10 is a flange portion 15 formed at one end is fixed to the rear end of the feed cart by a bolt, the conductive wire is inserted into the fixed end 10, the conductive wire 17 is electrically connected to a power supply terminal 25 attached to one end of the first outer rotation shaft 20 and a power supply terminal 35 attached to one end of the second outer rotation shaft 30.

As a result, when power is supplied to the power terminals 25 and 35, a heater (not shown) surrounding the power terminal and the hose may be electrically connected to supply power to the heater.

Referring to FIG. 4 again, the spray guns 140 and 145 may have the rods 141 and 146 drawn in or drawn out by hydraulic pressure from the rotors 150 and 155 in accordance with the diameter of the conduit CD. By being disposed close to the inner circumferential surface of the conduit (CD), it is possible not only to reduce the amount of scattering of the paint scattering without adhering to the inner circumferential surface of the conduit, but also to improve the coating quality of the paint.

In the conduit coating device according to the present invention configured as described above, the power of the first motor 130 to the first pulley 23 in a state in which the fixed shaft 10 of the rotary joint 1 is fixed to the feed cart 100. When transmitted, the power of the second motor 145 when the first outer rotation shaft 20 is rotated counterclockwise in the direction of the arrow 72 shown in FIGS. 3 and 4 by the first pulley 23. When transmitted to the second pulley 43, the second outer rotation shaft 30 is rotated clockwise in the direction of the arrow 71 shown in FIG. 4 by the second pulley 43. In this case, when the paint is supplied to the fluid passage 11 of the fixed shaft 10, the paint is discharged from the outlet 21 of the first outer rotating shaft 20 and the outlet of the second outer rotating shaft 30 through the fluid passage 11. The injection gun 140 and the second outer side of the first rotating body 150 which is supplied to the 31 and mounted to the first outer rotating shaft 20 through the hoses 61 and 62 at the outlets 21 and 31. As it is supplied to the injection gun 145 of the second rotating body 155 mounted on the rotating shaft 30, as shown in Figure 4, one side slope 301 of the projection 300 formed on the inner peripheral surface of the conduit (CD) The spray gun 140 of the first rotating body 150 is applied to the coating while rotating in the counterclockwise direction in the direction of the arrow 72, the spray gun 145 of the second rotating body 155 is an arrow 71 By applying paint to the other slope 302 of the protrusion 300 while rotating clockwise in the direction of), it is possible to uniformly paint both slopes of the protrusion 300 even when the protrusion is formed in the conduit CD.Am an inner periphery of the duct (CD) it can be uniformly coated.

1 is a schematic view showing an example in which the inner peripheral surface of the conduit is coated by a conventional conduit conduit device

Figure 2 is a cut away side view showing a part of the conduit coating device according to the present invention

3 is an enlarged cross-sectional view of the rotary joint of FIG. 2.

Figure 4 is a schematic diagram showing an example of painting the inner peripheral surface of the conduit coating device according to the present invention

5 is a cross-sectional view taken along the line A-A of FIG.

6 is a cross-sectional view taken along the line B-B of FIG.

Claims (3)

The storage tank 110 and the paint pumping device 120 are mounted on the transport cart 100, and the fixed shaft 10 of the rotary joint 1 is mounted on the rear end of the transport cart 100, and fixed. The first outer rotary shaft 20 and the second outer rotary shaft 30 are mounted to the shaft 10 so that the paint can pass through the fluid passage 11 of the fixed shaft 10 and the first outer rotary shaft 20 and the second outer shaft. Supplied to the outlets 21 and 31 of the rotary shaft 30, the paint is supplied to the injection guns 140 and 145 from the outlets 21 and 31 through the hoses 61 and 62, and the first outer rotary shaft ( The first pulley 23 is mounted at one end of the 20, and the power of the first motor 130 mounted on the transport trolley is transmitted to the first pulley 23, and the inner rotation shaft ( 40 is mounted, the flange portion 41 formed at one end of the inner rotation shaft 40 and one end of the second outer rotation shaft 30 are coupled by bolts 42, and the other end of the inner rotation shaft 40 is formed. 2 pulleys (43) Since the power of the second motor 145 mounted inside the trolley 100 is transmitted to the second pulley 43, the first time mounted on the first outer rotation shaft 20 by the first pulley 23 is performed. The whole 150 is rotated in either direction, and the second rotating body 155 mounted to the second outer rotating shaft 30 by the second pulley 43 rotates in the opposite direction of the first rotating body 150. And the spray gun 140 mounted on the first rotating body 150 and the spray gun 145 mounted on the second rotating body 155 rotate in opposite directions to spray the paint. Painting device. The method of claim 1, The fixed end 10 is a flange portion 15 formed at one end is fixed to the rear end of the feed cart by a bolt, the conductive wire is inserted into the fixed end 10, the conductive wire 17 is the first outer rotary shaft ( A conduit coating device characterized in that it is electrically connected to the power supply terminal (25) attached to one end of the 20) and the power supply terminal (35) attached to one end of the second outer rotary shaft (30). The method of claim 1, The spray guns 140 and 145 may have the rods 141 and 146 drawn in or drawn out by hydraulic pressure from the rotating bodies 150 and 155 in accordance with the diameter of the conduit CD. A conduit coating device, characterized in that it can be arranged in close proximity.

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