JPH0824863B2 - Automatic spraying equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic thermal spraying device capable of efficiently coating the upper wall surface or side wall surface of a large steel structure such as a bridge from rust and corrosion. Is.

[0002]

2. Description of the Related Art Conventionally, as a coating apparatus, for example, Japanese Patent Laid-Open No.
There is one disclosed in Japanese Patent Laid-Open No. 1-24359. This equipment
The table is a box-shaped object to be coated as shown in FIGS. 9 and 10.
It consists of an inverted U-shaped gate frame a that straddles the container K,
Wheels b, b are provided at the lower end of the portal frame a.
It And a cross section laid in parallel along the container K
Wheels b, b can be placed and moved on the I-shaped rails c, c
Growling. The gate-shaped frame a is a pair of legs.
Both legs having parts d, d and a connecting part e connecting them.
d and d and the connecting part e are provided with sprocket hoses at both ends.
Sprocket wheels with shafts f, f
Suspend the chain h that is rotated by the motor g between f and f
I have. Furthermore, freely along both legs d, d and the connecting part e
Mobile j where e Bei the moving nozzle i are provided,
Each moving body j is a pin fixed to each chain h in the long hole k.
l is inserted. Therefore, along the rails c, c, the gate type frame
Move the ram a and drive the motor g to
A moving body j that engages with 1 is placed along both legs d, d and the connecting portion e.
And move them up and down or left and right respectively to perform painting work.
ing.

[0003]

The object of the invention is to, however, said Les
Since the rails c and c have an I-shaped cross section, they are mounted on the rails c and c.
Wheels b, b that become unstable become unstable and the gate-shaped frame a is painted
There was a risk of blurring to the left and right and unevenness on the painted surface.
Further, each moving body j moves by the engagement with the pin l.
However, since there is a lot of play and smooth movement is difficult,
There is a problem that it adversely affects the finish of the surface
It was Further, each moving body j is driven by a motor g.
Therefore, it is not possible to change the speed of the moving body j on the way.
Therefore, for example, when
For uneven surfaces with different distances from the injection port of i
If the coated surface becomes uneven, it may not be possible to obtain a uniform coated surface.
There were challenges.

Therefore, the present invention aims to solve the above problems.
This prevents the equipment from slipping sideways and
Arrangement of mounting jig equipped with shooting gun is smooth and speed adjustable
By doing so, the finish of the coating was improved.
An object is to provide an automatic thermal spraying device.

[0005]

In order to achieve such an object, the automatic thermal spraying device of the present invention has various shapes such as a steel tower and a bridge.
Of the object to be sprayed, the apparatus main body is constructed by connecting the frames arranged in parallel to the upper and side walls of the object to be sprayed, and the apparatus main body is laid in parallel along the object to be sprayed.
Wheels can be inserted into a pair of U-shaped rails that can travel
The front and back of each frame are U-shaped in cross section.
It consists of a pair of rail frames, and the rail frame is
Rails fit into each rail frame and
A mounting jig placed to move freely by the driving motor, the
The mounting jig has an injection port facing each wall surface of the object to be sprayed.
It consists of a spray gun .

[0006]

[Operation] The main body of the device is moved along the object to be sprayed, and at the same time
Each mounting jig can be moved vertically and horizontally by the drive motor with a transmission.
Spraying on the top wall and left and right side walls while moving
It At this time, the left and right wheels of the device body are each U-shaped
Since it is fitted inside the ruler, there is no left or right blurring and
Rails with U-shaped rollers for each mounting jig
Since it is fitted inside, it does not shake and smoothly
Be moved. This allows for a uniformly coated finish.
The top surface can be obtained.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the automatic thermal spraying device according to the present invention will be described below with reference to the drawings. In Figures 1 and 2, A is the thermal spray material to be placed on the floor, that is, bridge forming the cross-sectional rectangular shape, a U-shaped cross section along the object to be sprayed material A on the floor on both sides A pair of rails 1 and 1 are laid in parallel.
Reference numeral 2 is an apparatus main body that runs on the rails 1 and 1 along the material A to be sprayed, and is a pair of vertical axis frames 3 and 3 standing upright to the left and right.
And the horizontal axis frame 4 is provided between the upper ends of both vertical axis frames 3 and 3 and these are connected to form a gate shape. Further, the horizontal axis frame 4 and the both vertical axis frames 3 and 3 are arranged in parallel with the upper wall surface and the side wall surface of the object A to be sprayed at a constant interval.

A pair of left and right wheels 5 and 5 are pivotally supported on the lower ends of the pair of vertical frames 3 and 3 so that they are fitted into the rails 1 and 1 to roll. Further, a drive motor 6 is attached to one of the vertical axis frames 3, and the drive motor 6 is
The sprocket 7 is fixed to the shaft of the wheel 5, the sprocket 8 is fixed to the shaft of the wheel 5, and the chain 9 is suspended between the sprockets 7 and 8 to drive the drive motor 6 to drive the main body 2 of the apparatus.
Are allowed to travel along the pair of rails 1, 1. The drive motor 6 operates so as to pitch-feed the apparatus main body 2 due to thermal spraying.

The horizontal axis frame 4 is composed of a pair of front and rear rail frames 4a, 4a having a U-shaped cross section, and a mounting jig 10 is arranged between them. The mounting jig 10 is fitted into the rail frames 4a, 4a on the outer sides of a pair of front and rear mounting plates 11, 11 and has rollers 12 and 12 rolling along the rail frames 4a, 4a attached thereto and a lower portion thereof. Auxiliary rollers 13, 13 that rotate by contacting the lower surfaces of the rail frames 4a, 4a are attached thereto.

Then, a pair of thermal spray guns 15, 15 with the injection port 15a directed directly below are fixed to one side of the base frame 14 which is inserted between the mounting plates 11, 11. The horizontal axis frame 4
Rotating shafts 17 and 17 supported by bearings 16 and 16 are arranged at both ends of the rotating shafts 17 and 17, and sprockets 18 and 18 are fixed to both sides of the rotating shafts 17 and 17, respectively. Chains 19 and 19 are wound around the respective sprockets 18 and 18, and both ends thereof are supported by the mounting jig 10. A drive sprocket 20 is fixed to one end of the one rotating shaft 17.
Further, a drive motor 21 with a transmission is disposed on the upper surface of the horizontal shaft frame 4 in the vicinity of the drive sprocket 20, and a chain 24 is provided between the sprocket 23 fixed to the tip of the drive motor shaft 22 and the drive sprocket 20. Suspend. Then, by driving the drive motor 21, the chains 19, 19 and 24 are operated so that the mounting jig 10 can be moved left and right along the horizontal axis frame 4.

Similarly, the left and right vertical axis frames 3 and 3 also include a pair of front and rear rail frames 3a and 3a having a U-shaped cross section, and a mounting jig 10 is arranged between them. The mounting jig 10 is fitted into the rail frames 3a, 3a outside the pair of front and rear mounting plates 11, 11 and mounts rollers 12, 12 rolling along the rail frames 3a, 3a. Auxiliary rollers 13, 13 are mounted on one side of the rail frames 3a, 3 and are in contact with the peripheral side surfaces of the rail frames 3a to rotate.

Then, a pair of thermal spray guns 15 and 15 in which the injection port 15a is horizontally oriented inward are fixed to one side of the base frame 14 which is inserted between the mounting plates 11 and 11. Bearings 16 and 16 are also provided at the upper and lower ends of the vertical axis frames 3 and 3, respectively.
The rotary shafts 17, 17 supported by
Sprockets 18, 18 are fixed to both sides of 7, 17. Each sprocket 18, 18 has a chain 19, 19
Is wound, and both ends thereof are attached to the mounting jig 10. The drive sprocket 2 is attached to one end of the upper rotary shaft 17.
Stick 0. Further, a drive motor 21 with a transmission is arranged on one side surface of the vertical axis frame 3 close to the drive sprocket 20, and a chain is provided between a sprocket 23 provided at the tip of the drive motor shaft 21 and the drive sprocket 20. Two
Suspend 4. By driving the drive motor 21, the chains 19, 19 and 24 are operated to move the attachment jig 10 up and down along the vertical frames 3 and 3.

The above-mentioned movement of the apparatus main body 2 and the movement of each of the spray guns 15 and 15 are controlled by a sequence program, and all are automatically performed. For example, the pitch feed of the apparatus main body 2 is 10 to 100 mm / sec, and the spray guns 15 and 15 are moved at a maximum speed of 40 m / min.

The automatic thermal spraying device according to the present invention has the above-mentioned structure, and its operation will be described below. The drive motor 6 is operated to feed the apparatus main body 2 along the rails 1 and 1 one pitch at a time. In the meantime, the mounting jig 10 is reciprocated along the horizontal axis frame 4, and the mounting jigs 10, 10 are reciprocated along the vertical axis frames 3 and 3, respectively, so that the spray guns 15 and 15,
The material 15 is sprayed onto the upper wall and left and right side walls of the object A to be sprayed. By coating simultaneously and continuously in this way, work is efficiently performed. At this time, the device body 2 is left
Both right wheels 5 and 5 are fitted into U-shaped rails 1 and 1, respectively.
Moreover, each mounting jig 15 has a U-shaped roller 12.
Since it is fitted in the mold rail frames 3a, 4a,
Smooth spraying work can be performed without any blurring.
Get Further, for example, of the wall surfaces of the object A to be sprayed,
Even if there are irregularities unlike other, change to the drive motor 21.
Since it has a speed machine, it can be used only on the uneven surface
It is possible to change the speed of the mounting jig 10 slowly or quickly.
Yes, this will always give a uniform coating surface
be able to.

The apparatus main body 2'shown in FIG. 8 shows another embodiment, in which the upper wall of the material to be sprayed A'is inclined to one side, and in this case, along the inclined surface. Horizontal axis frame 4
The device main body 2'is configured by inclining ???. The apparatus main body 2 ′ can also perform the coating work with high efficiency, and for the sprayed objects having other shapes, the horizontal axis frame or the vertical axis frame may be configured according to the outer shape.

[0016]

As described above, in the automatic thermal spraying device of the present invention, the wheels are fitted into the rails having a U-shaped cross section so that the device main body is
Since it moves, there is no horizontal blurring of the device body
The axis frame and the horizontal axis frame have a U-shaped cross section.
And the mounting jig has its rollers
The spray gun will shake as it moves inside the
In both cases, those operations can be performed smoothly. Yo
As a result, the coating operation on the material to be sprayed is stabilized.

[0017] In addition, each mounting jig is a drive motor with a transmission.
Since it is operated by,
Even if there are irregularities, the speed of the spray gun only on this side
It can be speeded up or delayed, and all aspects are correct.
It is said that uniform coating can be done efficiently without any effort.
Produces the effect.

[Brief description of drawings]

FIG. 1 is a front view showing the outline of an automatic thermal spraying device.

FIG. 2 is a side view showing the outline.

FIG. 3 is an enlarged front view of a part of a horizontal axis frame and a part of a vertical axis frame that are partially cut away.

FIG. 4 is a sectional view taken along line XX of FIG.

FIG. 5 is an enlarged plan view of a horizontal axis frame.

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

7 is a sectional view taken along line ZZ of FIG.

FIG. 8 is a front view showing the outline of an automatic thermal spraying device according to another embodiment.

[Figure 9] The perspective view which shows the use condition of the conventional coating device.

[Figure 10] The same side view.

[Explanation of symbols]

A Thermal sprayed material 1 , 1 Rail 2 Device main body 3, 3 Vertical axis frame 3a, 3a Rail frame 4 Horizontal axis frame 4a, 4a Rail frame 5 Wheel 10 Mounting jig 12, 12 Roller 15 , 15 Thermal spray gun 15a Injection port 21 Drive motor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuo Tanaka 4-4-4 Takeshirodai, Sakai City, Osaka Prefecture (56) References JP-A-61-42359 (JP, A) JP-A-63-100966 (JP, A) ) Actually open 60-155974 (JP, U)

Claims (1)

[Claims] 1. An apparatus main body is constructed by connecting frames, which are arranged in parallel to the upper wall surface and side wall surface of a sprayed object of various shapes such as a steel tower and a bridge, at a constant interval.
Is a U-shaped cross section that is laid in parallel along the sprayed object .
Wheels are fitted into a pair of rails so that they can travel.
Each frame consists of a pair of front and rear rail frames with a U-shaped cross section.
Roller and each rail is placed between both rail frames.
With a drive motor fitted in the frame and equipped with a transmission.
Place a mounting jig that moves freely, and
An automatic thermal spraying device, characterized in that a thermal spraying gun having an injection port facing each wall surface of the thermal spraying target is mounted .