JPH07204553A - Automatic coating device for curved wall surface - Google Patents

Abstract

PURPOSE:To obtain an automatic coating device for curved wall surfaces capable of automatically coating the wall surfaces, preventing splashing of a coating material and having excellent performance to lessen manpower and prevent pollution. CONSTITUTION:This automatic coating device for the wall surfaces is constituted by mounting a coating mechanism at a wall surface moving mechanism which is freely movable while attracting on the wall surfaces. The device described above has a traversable moving structure 6 which is supported on the inner side of a hood 15 for preventing splashing of the coating material of this coating mechanism 2, a coating brush 9 which is supported on this moving structure 6 and directs a front direction, a rotating means for this coating brush 9 and a coating material feeding means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic coating device for curved wall surfaces.

[0002]

2. Description of the Related Art For example, as an automatic wall coating apparatus for a wall surface of a large structure such as a high-rise chimney, there is conventionally known a suction wall surface moving mechanism equipped with a spray gun as a coating mechanism. ing. Further, as shown in the vertical cross-sectional view of FIG. 4, it comprises an adsorption type wall surface moving mechanism (not shown), a coating roller 04 pressed from the coating mechanism main body 01 to the wall surface 03 by a spring 02, a paint supply pipe 05, a hood 06 and the like. A roller type is also known which is formed with the coating mechanism 07.

However, each of these devices has the following drawbacks. (1) In the spray gun type, the paint mist may scatter due to work at high places and damage the surroundings.Therefore, it is necessary to install a hood covering the spray gun and a fan for collecting the paint mist. Yes, and therefore equipment costs increase. (2) In the roller type, if there are local irregularities such as weld beads on the wall surface, unpainted residue will occur, so it will be necessary to manually repaint this, and therefore the construction cost will increase.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above circumstances, and is capable of automatically painting a wall surface and preventing paint from scattering, and therefore, a curved wall surface excellent in labor saving and pollution prevention. It is intended to provide an automatic coating device. Another object of the present invention is to provide an automatic coating device for curved wall surfaces, which is capable of preventing uneven coating during automatic coating of curved wall surfaces and uneven wall surfaces, and is therefore excellent in cost savings.

[0005]

To this end, the invention of claim 1 is an automatic coating device for a wall surface in which a coating mechanism is attached to a wall surface moving mechanism that is movable while adsorbing to the wall surface. A traverse movable structure supported on the inside of the scattering prevention hood, a coating brush supported by the moving structure and directed forward, a rotating means for the coating brush and a paint feeding means. To do.

Further, the invention of claim 2 comprises a guide rail supported inside the hood and capable of adjusting a distance to a wall surface at a constant level, and a moving structure capable of traversing along the guide rail. Is characterized by.

Further, the invention of claim 3 is characterized in that it is provided with a means which is supported by the moving structure and presses the coating brush against the wall surface with a constant pressure.

[0008]

According to this structure, the following actions are performed. According to the invention of claim 1, it is possible to automatically paint the wall surface and prevent the paint from scattering. According to the invention of claim 2, in addition to the effect of claim 1, it is possible to prevent the occurrence of coating unevenness during automatic coating of curved wall surfaces. According to the invention of claim 3,
In addition to the effect of the first aspect, it becomes possible to prevent the occurrence of coating unevenness during automatic coating of the uneven wall surface.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. The same reference numerals as those in FIG. 4 denote the same members as those in the same drawing. First, in FIG. An automatic coating device for a curved wall surface, which is formed by mounting the coating mechanism 2 on the upper part of the mechanism 08 via the right half of the horizontally long rectangular connecting plate 3, and here is a rectangular frame type moving mechanism of the wall surface moving mechanism 08. The main body 09 has self-propelled wheels 010 axially supported at the corners of the frame, a plurality of vacuum suction cups 011 attached to the frame at substantially equal intervals, in case of a fall accident. Hanging wire 012 connected to the top of the frame
It consists of and. Reference numeral 3a is a paintable range of the coating mechanism 2 which is operated by one vertical movement of the wall surface moving mechanism 08.

Next, in the front view and the plan view of FIG. 2 showing the details of the coating mechanism 2, 4 is supported by a plurality of curvature adjusting rods 5 on the upper edge and the lower edge of the connecting plate 3, respectively, and is parallel to the chimney wall surface. Curved flexible guide rail, 6 is a moving structure having a rectangular planar shape and an inverted L-shaped vertical cross-section, and its upper and lower ends are attached to the guide rail 4 by a pair of right and left contact rollers 7. It is supported. 8 is a slit formed in the central portion of the top plate of the moving structure 6 and extending in the front-rear direction, 9 is a rotary coating brush supported on the central portion of the vertical plate of the moving structure 6, and 10 is the left end of the upper edge of the connecting plate 3. Vertical motor 1 installed in
1 is a drive sprocket fitted to the output shaft, 12 is a driven sprocket fitted to a vertical pin pivotally mounted to the right end of the upper edge of the connecting plate 3, and 13 is a space between the drive sprocket 10 and the driven sprocket 12. Chain that was laid around
4 is attached to the chain 13 and is a locking pin inserted in the slit 8, and 15 is a moving mechanism main body 09.
1 is a hood attached to (FIG. 1) for covering the outer surface of the device of the present invention.

Further, FIG. 3 showing the details of the painting brush 9 and the like.
In the perspective view and the vertical cross-sectional view, 16 is an inverted L-shaped mounting base attached to the central portion of the vertical plate of the moving structure 6, and 17 is both ends supported directly below the upper end of the mounting base 16, and is a normal line to the wall surface 03. A support stand suspended by inserting an upper part thereof into a horizontal support bar 18 extending in a direction, 19 is a spiral spring that is externally inserted to the horizontal support bar 18 and biases the support stand 17 forward by a constant force, 20
Is a joint for connecting the short pipe protruding to the rear central portion of the support base 17 and the front end of the paint supply hose 21.
The rear portion extends to the outside through the mount 16 and the moving structure 6. Reference numeral 22 denotes a horizontal rotary shaft that is rotatably supported by a support base 17 through a bearing 23 and has a central hole. , 27 is a cross-shaped brush base connected to the flange joint at the front end of the horizontal rotary shaft 22,
The inside of this is formed with a through hole 28 that extends radially in four directions and then bends toward the front surface of the brush base 27. 29 is a brush bristle planted on the front surface of the brush base 27, and the brush bases 27 to 29 cooperate to form the painting brush 9.

In such an apparatus, in order to coat the wall surface 03, as shown in FIG. 1, the wall surface moving mechanism 08 sucks the wall surface 03 with a plurality of suction cups 011 and vertically with a plurality of self-propelled wheels 010. It reciprocates in the direction and moves laterally intermittently in the left and right directions. At this time, the coating mechanism 2 supported by the wall surface moving mechanism 08 adjusts the length of each curvature adjusting rod 5 on the connecting plate 3 as shown in FIG.
After being set parallel to the wall surface 03, the moving structure 6 is moved in the left-right direction by the action of the lateral moving means including the motor 11, the chain 13, the locking pin 14 and the slit 8, and the contact roller 7 and the slit 8 are also moved. And locking pin 14
By the action of, the position in the front-rear direction is adjusted and the position moves in parallel with the wall surface 03.

At this time, as shown in FIG.
Is pressed against the wall surface 03 with a predetermined pressure by the action of the spring 19 and is rotated by the action of the motor 24, gears 25 and 26, and further the paint supply hose 21 and the joint 2
0, the paint is automatically supplied through the center hole of the horizontal rotary shaft 22. The action of the hood 15 causes the paint brush 9
Prevents paint from splashing. The coatable range 3a that can be performed by this apparatus in one stroke is shown in FIG. 1 by hatching.

According to the apparatus of this embodiment, the following effects can be obtained. (1) A traversing movable structure supported inside the paint scattering prevention hood of the coating mechanism, a painting brush which is supported by the moving structure and is directed forward, a rotating means of the painting brush, and a paint feeding means. Since it is provided, it is possible to automatically paint the wall surface and prevent the paint from scattering, and therefore, it is possible to save the labor of the wall surface coating and save the equipment cost. (2) In addition to the requirements of (1) above, a guide rail that is supported inside the hood and that can adjust the distance to the wall surface to a constant level, and a moving structure that can traverse along the guide rail are provided. Therefore, in addition to the effect of (1) above, it is possible to prevent the occurrence of coating unevenness during automatic coating of curved wall surfaces, thus saving construction costs. (3) In addition to the requirement of (1) above, since a means for pressing the coating brush against the wall surface with a constant pressure supported by the moving structure is provided, in addition to the function of (1) above, automatic coating of uneven wall surface is performed. It is possible to prevent the occurrence of coating unevenness in the case of, and therefore the construction cost can be saved.

[0015]

In summary, according to the first aspect of the present invention, in a wall surface automatic coating device in which a coating mechanism is attached to a wall surface moving mechanism that is movable while adsorbing to a wall surface, a paint scattering prevention hood of the coating mechanism is provided. A traverse movable structure supported inside, a forward-facing coating brush supported by the moving structure, a rotating means for the coating brush, and a paint feeding means, thereby automatically coating the wall surface. The present invention is extremely useful industrially, since an automatic coating device for curved wall surfaces that can prevent paint scattering and is therefore labor-saving and pollution-preventing is obtained.

According to the invention of claim 2, claim 1
In addition to the above requirement, a guide rail supported inside the hood and capable of adjusting a distance to a wall surface at a constant level and a moving structure capable of traversing along the guide rail are provided. In addition to the function, the present invention is extremely useful industrially, because an automatic coating device for curved wall surfaces that can prevent the occurrence of coating unevenness during automatic coating of curved wall surfaces and therefore saves construction costs is obtained. .

Further, according to the invention of claim 3, in addition to the requirement of claim 1, the means for pressing the coating brush supported by the moving structure against the wall surface with a constant pressure is provided. In addition to the above, the present invention is extremely useful industrially because an automatic coating apparatus for curved wall surfaces that can prevent the occurrence of coating unevenness during automatic coating of uneven wall surfaces and therefore saves construction costs is obtained.

[Brief description of drawings]

FIG. 1 is an overall front view showing an embodiment of the present invention.

FIG. 2 shows the coating mechanism 2 of FIG. 1 and is shown in FIGS. 2 (A) and 2 (B).
Are a front view and a plan view, respectively.

3 shows the relationship between the coating brush 9 of FIG. 1, and FIG. 3 (A) and FIG. 3 (B) are a perspective view and a vertical sectional view, respectively.

FIG. 4 is a vertical sectional view showing a coating mechanism of a known roller-type automatic wall surface coating apparatus.

[Explanation of symbols]

 1 Automatic wall coating device 2 Coating mechanism 3 Connecting plate 3a Paintable range 4 Guide rail 5 Curvature adjusting rod 6 Moving structure 7 Claw contact roller 8 Slit 9 Painting brush 10 Driving sprocket 11 Motor 12 Driven sprocket 13 Chain 14 Locking pin 15 Hood 16 mounting base 17 support base 18 horizontal support bar 19 spring 20 joint 21 paint supply hose 22 horizontal rotary shaft 23 bearing 24 motor 25 gear 26 gear 27 brush base 28 distribution hole 29 brush bristles 03 wall surface 08 wall surface moving mechanism 09 moving mechanism main body 010 Self-propelled wheel 011 Sucker 012 Suspended wire

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Morio Hirabayashi 3 Oemachi, Minato-ku, Nagoya Chubu Electric Power Co., Inc. Thermal Power Center (72) Inventor Shigeo Inoue 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima Mitsubishi Heavy Industries Ltd. Company Hiroshima Research Institute (72) Inventor Koichi Wada 2-5-1, Marunouchi, Chiyoda-ku, Tokyo Sanryo Heavy Industries Co., Ltd. (72) Inventor Hasegawa 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City Mitsubishi Heavy Industries Shares Company Hiroshima Factory (72) Inventor Nobuhiro Yukawa 4-6-22 Kannon Shinmachi, Nishi-ku, Hiroshima City Mitsubishi Heavy Industries Ltd. Hiroshima Factory

Claims (3)

[Claims] 1. An automatic coating device for a wall surface in which a coating mechanism is attached to a wall surface moving mechanism that is movable while adsorbing to a wall surface, and is capable of traversing movement supported inside a paint scattering prevention hood of the coating mechanism. An automatic coating device for curved wall surfaces, comprising: a structure, a painting brush which is supported by the moving structure and is directed forward, and a rotating means for the painting brush and a paint feeding means. 2. A guide rail, which is supported inside the hood and is capable of adjusting a distance from a wall surface to be constant, and a moving structure capable of traversing along the guide rail. Automatic coating device for curved wall as described. 3. The automatic coating apparatus for curved wall surfaces according to claim 1, further comprising means for pressing the coating brush against the wall surface with a constant pressure, which is supported by the moving structure.