JP2003251233A - Automatic coating apparatus for bottom part of passenger car and utilization thereof - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automate the coating of the bottom part of a passenger car regardless of an existing lift apparatus. <P>SOLUTION: An automatic coating apparatus 2 for the bottom part of the passenger car is constituted of; a rail 21 which is placed in the width direction of the passenger car C on the floor face in the side of the lift apparatus; a moving carriage 22 which moves in the car width direction on the floor face at the side of the lift apparatus by being guided by the rail 21; a moving carriage 23 which moves in the car length direction, can be housed in the moving carriage 22, is connected to the moving carriage 22 by an expandable pantograph arm 235 and moves in the car length direction of the passenger car C; and a coating unit 24 loaded on the moving carriage 23. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a passenger car lower portion automatic coating apparatus capable of automatically painting the lower portion of a small or medium-sized automobile (hereinafter referred to as "passenger car" in the present specification) such as a passenger car, a light van, or a small truck. Regarding

[0002]

2. Description of the Related Art On a paved road in cold regions, calcium chloride, etc. is sprayed as a deicing agent on the road surface, which causes problems such as peeling off of the undercoat of a traveling vehicle and corrosion. The lower part of passenger cars is painted during maintenance.

In the case of a large vehicle, it is possible to use a trolley type painting robot for painting while moving the floor surface which is the lower part of the vehicle. However, for a passenger car, the painting robot is realistic because of the limited space. It is common practice to lift the vehicle with a lift, and the worker enters under it and uses a spray nozzle (spray gun), but it is a difficult posture to look up and the worker's face Since there is a serious problem in hygiene such as residual spray paint being applied or dripping on the surface and inhaling the paint, it is more difficult to carry out the work because a mask or protective clothing is worn, and improvement is desired.

Therefore, it is necessary to develop a coating robot capable of handling a lifted-up passenger car, but it is common for vehicle garages to already be equipped with some type of vehicle lift device. It is desirable that it be operated independently of the lifting device, and it is also necessary to have a structure that can be retracted so as not to get in the way during work other than painting.

[0005]

SUMMARY OF THE INVENTION The present invention solves the above problems in the prior art, operates regardless of the shape and structure of the existing lift device, and operates in the lower part of the vehicle when not painting. It is an object of the present invention to realize a passenger car lower part automatic coating device configured so as not to disturb the work of.

[0006]

A passenger car lower part automatic painting device of the present invention is a passenger car lower part automatic painting device for automatically painting a lower part of a passenger car in a state of being lifted by a lift device. The rail laid in the vehicle width direction of the passenger car, the vehicle width direction moving carriage that is guided by the rail to move on the floor surface near the lift device, and can be stored in the vehicle width direction moving carriage. It consists of a vehicle-longitudinal vehicle that is connected to the vehicle by a telescopic arm and moves in the vehicle-longitudinal direction on the floor next to the lifting device, and a painting unit mounted on the vehicle-directional vehicle. And preferably, the coating unit is provided with a turning mechanism or a swinging mechanism that changes the spray direction of the paint.

Further, the method of using the automatic passenger car lower coating apparatus of the present invention is such that the moving path of the coating apparatus is determined based on the size and shape of the passenger vehicle, and the vehicle length direction is set with respect to the passenger vehicle lifted by the lift device. Move the vehicle in the vehicle width direction that contains the vehicle to move in the vehicle width direction, move the vehicle in the vehicle length direction from the stop position to the vehicle length direction, paint the lower part of the passenger car, and change the vehicle stop position in the vehicle width direction. The method for using the automatic passenger car lower coating apparatus is characterized by repeating the above.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION According to the present invention, a coating robot (automatic coating device) which does not need to be incorporated in an existing lift device and which does not interfere with work when not in use is realized. Could be resolved.

[0009]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a front view showing an example in which a passenger car C is lifted by a vehicle lift device 1 and the lower part thereof is automatically painted by a painting device 2 of the embodiment, and FIG. 2 is a side view. A rail 21 is laid in the vehicle width direction of the passenger car C on the floor surface at a position as close as possible while avoiding directly below the passenger car C on the side of the lift device 1,
The vehicle 22 in the vehicle width direction is guided by the rails 21 and moves in the vehicle width direction of the passenger car C on the floor surface near the lift device 1.
26a and 26b are limit switches at both ends of the rail 21.

On the other hand, the vehicle length direction moving carriage 23 which can be housed in the vehicle width direction moving carriage 22 and is connected to the vehicle width direction moving carriage 22 by a pantograph arm 235 which is extendable and contractible is a vehicle width direction moving carriage 22. From the starting point, the floor surface near the lift device 1 can be moved in the vehicle length direction of the passenger car C. The pantograph arm 235 is a plurality of X-shaped frames in which the intersection and the tip are pin-joined, and is seen in gates and toy magic hands. Since it has the characteristics of being stretchable in the length direction and exhibiting rigidity in the lateral direction, it is necessary to move the vehicle length direction moving carriage 23 while guiding it in the vehicle width direction moving carriage 22 as a starting point. You can

A coating unit is mounted on the vehicle 23 in the vehicle longitudinal direction.
24 is installed. 246 is an air hose for painting, 247
Is an electric cable for controlling the coating unit 24, and 25 is a control device for controlling them. Fig. 3 shows the carriage 2 in the vehicle width direction
2, a front view showing the vehicle length direction moving carriage 23 in a state where the latter is stored in the former, FIG. 4 is a side view of the same, and FIG. 5 shows a vehicle width direction moving carriage 22 and a vehicle length direction moving carriage 23. In the perspective view shown in the state of being pulled out from the former, the reference numerals have already been described, and in addition to the vehicle 22 in the vehicle width direction, 221 is a pillar, 22
2 is a frame, 223 is a wheel, 224 is a motor, 225 is a mounting table on which the vehicle longitudinal direction carriage 23 is mounted when stored, and similarly for the vehicle longitudinal direction carriage 23, 231 is a pillar, 232 is a frame, and 233 is a wheel. , 234 are motors, and the moving direction is indicated by arrow a in the vehicle width direction and arrow b in the vehicle length direction.

Regarding the coating unit 24, 241 is a spray nozzle for spraying paint, 242 is a swing mechanism for swinging the spray nozzle 241, 243 is an elevating cylinder for raising and lowering the spray nozzle 241, 244 is a paint pump, and 245 is a paint tank. Is. With the above configuration, the movement path of the coating device is determined based on the size and shape of the passenger car to be painted, and the vehicle length direction moving carriage 23 is stored in the passenger car C lifted by the lift device 1. In the state, move the vehicle width direction moving carriage 22 in the vehicle width direction, move the vehicle length direction moving carriage 23 in the vehicle length direction from the stopped position, paint the lower part of the passenger car, change the vehicle width direction stop position and By repeating the above, the entire lower part of the passenger car can be automatically painted. Change the injection direction by raising the spray nozzle 241 for the recessed part such as the inner surface of the tire house, and swinging or swinging the spray nozzle 241 for the side surface inside the tire house using the swing mechanism 242 etc. It is desirable to do it.

6 to 8 are a series of flowcharts showing the operation of the automatic passenger car lower coating apparatus according to the present invention. This will be explained with reference to the example of FIG. The rail 21 is installed on the right side of the lift device 1, and the passenger car C is lifted facing this. First is a vehicle that moves in the longitudinal direction
Since 23 is accommodated in the vehicle 22 in the vehicle width direction, it is moved forward (hereinafter, the direction toward the passenger car is referred to as forward, and the accommodation direction is referred to as backward), first stopped at the front end of the passenger car, and the spray nozzle 241 is injected. After starting, injection is continued and injection is continued until the rear end position of the passenger car is reached. When reaching the rear end position of the passenger car, stop the spray and move the vehicle in the longitudinal direction.
23 moves backward and is temporarily stored in the vehicle width direction moving carriage 22, the vehicle width direction moving carriage 22 moves, and the vehicle length direction moving carriage 23 and the spray nozzle 241 which are housed in this move rightward, At that position, the vehicle length direction moving carriage 23 moves forward again and the coating in the vehicle length direction is repeated. Limit switch 26a or 26
If it is detected by b that the movement limit on both sides in the vehicle width direction has been reached, the work ends. This means that the entire lower part of the passenger car could be painted.

In the coating process described above, the flat portion of the bottom of the vehicle is programmed so that the spray nozzle 241 is raised to a predetermined position and slowly rocked. In addition to increasing the amount of rise, the paint is also sprayed to the sides using the rocking mechanism 242, and the side faces are opposite on the driver side and the passenger side.
Alternatively, an operation such as turning the spray nozzle 241 in the opposite direction using a turning mechanism is performed. These work programs, that is, the stop position of the spray nozzle 241, the spray pattern, and the like are input to the control device in advance based on the information for each passenger vehicle.

At the time when the painting work is completed, the vehicle length direction moving carriage 23 is retracted and stored in the vehicle width direction moving carriage 22, and is not directly under the lift device. It doesn't get in the way. Further, since this coating device is not used by being directly attached to the lift device, it can be applied to any existing lift device structure.

[0016]

According to the present invention, there is provided a passenger car lower part automatic coating device which can be installed regardless of the shape and structure of the existing lift device and which does not disturb the work under the vehicle when not painting. It will be realized, the painting work of the lower part of the passenger car will be efficient, and the working environment will be improved.
It has an excellent effect.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a passenger car lower part automatic coating apparatus of the present invention.

FIG. 2 is a side view showing an embodiment of an automatic passenger car lower coating apparatus of the present invention.

FIG. 3 is a front view showing a main part of a passenger car lower part automatic coating apparatus of the present invention.

FIG. 4 is a side view showing a main part of a passenger car lower part automatic coating apparatus of the present invention.

FIG. 5 is a perspective view showing a main part of a passenger car lower part automatic coating device of the present invention.

FIG. 6 is a flowchart showing the operation of the automatic passenger car lower coating apparatus of the present invention.

FIG. 7 is a flow chart showing an operation of the passenger car lower part automatic coating device of the present invention.

FIG. 8 is a flow chart showing the operation of the passenger car lower part automatic coating device of the present invention.

[Explanation of symbols]

1 lift device 2 Automatic coating equipment 21 rails 22 Car width-direction carriage 23 Vehicle longitudinal direction trolley 24 painting unit 25 controller 26a, 26b Limit switch 221, 231 support 222, 232 frames 223, 233 wheels 224, 234 motor 225 table 235 Pantograph arm (arm) 241 spray nozzle 242 Swing mechanism 243 Lifting cylinder 244 Paint Pump 245 paint tank 246 air hose 247 electrical cable C passenger car

Claims (3)

[Claims] 1. A passenger car lower part automatic coating device (2) for automatically painting the lower part of a passenger car (C) lifted by a lift device (1), the passenger car being on the floor side of the lift device (1). (C) a rail (21) laid in the vehicle width direction, and a vehicle width direction moving carriage (22) guided by the rail (21) to move on the floor surface beside the lift device (1),
It can be stored in the vehicle width direction moving carriage (22), is connected to the vehicle width direction moving carriage (22) by an extendable arm (235), and the floor surface near the lift device (1) is a passenger car (C). The vehicle length direction moving carriage (23) that moves in the vehicle length direction and the coating unit (24) mounted on the vehicle length direction moving carriage (23)
The automatic coating device for the lower part of passenger cars. 2. The automatic passenger car lower part coating apparatus according to claim 1, wherein the coating unit (24) includes a turning mechanism or a swinging mechanism (242) for changing a spray direction of the paint. 3. A vehicle width direction moving trolley containing a vehicle length direction moving dolly is set for a passenger car in which a moving path of a coating device is determined based on the size and shape of the passenger car and is lifted by a lift device. 3. The vehicle is moved in the width direction, the vehicle length direction moving carriage is moved in the vehicle length direction from the stop position to paint the lower portion of the passenger car, and the stop position in the vehicle width direction is changed and this is repeated. How to use the automatic passenger car lower coating equipment described in.