JPH064932Y2 - Sealer coating device - Google Patents

Description

Detailed Description of the Invention a. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for applying a sealer along a joint portion of a panel member having a bent portion in the vicinity thereof.

b. Conventional technology and its problems Sealers made of synthetic resin are usually applied to the parts of the vehicle body panel where dustproofing and waterproofing are required, but as a device for applying this sealer, it is fully automated. What has been done has not yet been developed.
That is, although a sealer coating device using a robot is currently being developed, there is a problem with the molding accuracy of the body panel (body body), so it is not possible to automatically apply the sealer to all parts of the body body. The reality is not limited to this. Therefore, even if a large investment is made in the development of such a robot, there is a problem in that the result is not achieved.

In addition, although a position-correctable robot equipped with a position detection sensor is under development, the present situation is that it has not yet been able to automatically apply the sealer in place of human hands.

The present invention has been made in view of the above circumstances, and an object thereof is to enable a sealer to be automatically applied to a joint portion of a panel member such as a vehicle body panel by a copying mechanism having a simple configuration. The present invention is to provide a sealer coating device.

c. Means for Solving the Problems In order to solve the above-mentioned problems, in the present invention, in a device for applying a sealer along a joint portion of a panel member having a bent portion in the vicinity, (A) a sealer discharge nozzle A moving mechanism for moving the head part including the head part along the joint, (B) a supporting mechanism part for rotatably supporting the head part in directions substantially orthogonal to each other, and (C) the sealer First biasing means for biasing the discharge nozzle toward the panel member; and (D) rotating and biasing the sealer discharge nozzle toward the surface of the bent portion on the side of the joint. And a second urging means for urging, wherein the first urging means brings the tip of the sealer discharge nozzle into contact with the joint portion, and the second urging means operates the Sealer discharge nozzle on the bent part While the scanning movement by contact is configured so as to apply the sealer to the joint.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1 (A), a sealer coating device 1 of this example
Is disposed on the side portion of the vehicle body 3 which is placed on the carriage 2 and moved along a predetermined line. This device 1
As shown in FIGS. 1 and 2, a head portion 5 having a sealer discharge nozzle 4 is provided, and the head portion 5 is attached to a predetermined portion of the vehicle body 3 (at an angle in FIGS. 1 (A) and (B)). A sealer supplied from a sealer supply source (not shown) is discharged to the nozzle 4 from the tip thereof.

Further, the above-described head portion 5 is attached to the arm member 7 of the moving mechanism 6 by the configuration described below. That is, as shown in FIG. 2, a pair of projecting pieces 8a, 8b facing each other are provided at the tip of the arm member 7, and the spindle 9 is centered on the axial center of these projecting pieces 8a, 8b. To arrow a,
It is inserted so as to be rotatable in the a'direction. And
A compression coil spring 10 is attached to the support shaft 9, one end 10a of the compression coil spring 10 is inserted into the projecting piece 8a, and the other end 10b is inserted into the support shaft 9. As a result, the large-diameter portion 9a formed at one end of the support shaft 9 is pressure-engaged with the projecting piece 8a, and the support shaft 9 is urged to rotate in the arrow a direction around the shaft center.

A mounting plate 11 is fixed to the other end of the support shaft 9 in an orthogonal state, and a pair of front and rear brackets 12a and 12b are mounted on the mounting plate 11. A support shaft 13 is arranged between the brackets 12a and 12b.
The head portion 5 is supported on the head 3 so as to be rotatable in the directions of arrows b and b'in FIGS. Thus, the head portion 5 is supported by the support mechanism portion including the support shafts 9 and 13 so as to be rotatable in directions substantially orthogonal to each other.

Further, the mounting plate 11 is provided with a cylinder 14 and a proximity switch 15 on the surface on the side of the head portion 5, and a magnet 16 corresponding to the proximity switch 15 is attached to the head portion 5. There is. Also, the head portion 5 and the mounting plate
A tension coil spring 17 is provided between the head coil 5 and the head 11, and the tensile force of the tension coil spring 17 constantly urges the head portion 5 in the direction of arrow b in FIGS.

The head portion 5 is always urged by the urging forces of the springs 10 and 17 in the directions substantially orthogonal to each other (arrow a and arrow b directions), but the head portion 5 is not rotated in the arrow a direction. It is blocked by a stopper mechanism (not shown), and the arrow b
Rotation in the direction is configured to be blocked by the operating rod 14a of the cylinder 14.

Next, refer to FIGS. 3 to 5 for the operation when the sealer is applied to the roof drip rail portion R (see FIGS. 1A and 1B) using the device 1 having the above-described configuration. And explain. The roof drip rail portion to which the sealer is to be applied is the joint portion 20 of the vehicle body panels (roof panel member and side panel member) 18, 19, and in the vicinity of the joint portion 20, the edge of one vehicle body panel 19 is almost A bent portion (a rising portion) 21 is formed by bending at a right angle.

First, with the operation of the moving mechanism 6, the sealer discharge nozzle 4 of the head portion 5 is arranged in the vicinity of the joining portion 20 of the vehicle body 3 that is moved and arranged at a predetermined position. At the same time, based on a control signal from a control device (not shown), the cylinder 14
Is switched to the operating state, and the operating rod 14a of the cylinder 14
Are driven toward the head unit 5. As a result, the head portion 5 is pushed by the actuating rod 14a, so that the head portion 5 is rotated in the arrow b'direction around the support shaft 13 against the tensile force of the tension coil spring 17, and the vehicle body near the side of the joint 20. It is arranged at a position beyond the bent portion 21 of the panel 19.

After that, the head unit 5 is moved by the moving mechanism 6 to the joint portion 20.
When it is moved in the direction of arrow c in FIG.
14a is returned to the retracted position. Therefore, the head portion 5
Is supported by the tension force of the tension coil spring 17 and its own weight.
3, the side portion 4a of the sealer discharge nozzle 4 of the head portion 5 is brought into contact with the vertical surface 21a of the bent portion 21 of the vehicle body 3 on the side of the joint portion 20. It On the other hand, the tip 4b of the sealer discharge nozzle 4
Is brought into contact with the joint 20 on the surface of the vehicle body panel 18 by the rotational biasing force of the compression coil spring 10 and its own weight. Then, under such a state, the head portion 5 is driven along the bending portion 21 of the vehicle body panel 18 and the vehicle body panel 19 while being driven by the moving mechanism 6 in the direction of the arrow c, and during this time, the nozzle 4 moves The sealer 22 is discharged onto the joint 20 so that the sealer 22 is applied to the joint 20.

According to the device 1 of this example, the nozzle 4 is connected by the compression coil spring 10.
Since the front end 4b of the vehicle body panel 18 is constantly urged, the uneven surface 18 is
Even if a exists, the elasticity of the compression coil spring 10 causes the nozzle 4
Fully absorbs the displacement in the height direction and slides on the uneven surface 18a. On the other hand, since the nozzle 4 is constantly urged to the vertical surface 21a of the bent portion 21 by the tension coil spring 17, this vertical surface 21a extends along its longitudinal direction (direction orthogonal to the paper surface in FIG. 3). Even if there is unevenness, tension coil spring
The elasticity of 17 allows the nozzle 4 to sufficiently absorb the lateral displacement and slide along the irregularities. Therefore, the nozzle 4
Is moved in a so-called manner along both the vehicle body panel 18 and the bent portion 21, so that the device 1 is smoothly and surely moved and the sealer 22 is applied to the joint portion.

When the sealer discharge nozzle 4 is dislocated from the bent portion 21 as shown in FIG. 5 for some reason, the head portion 5 is pulled by the pulling force of the tension coil spring 17 as indicated by the arrow b.
The magnet 16 moves the proximity switch
Since the proximity switch 15 is approached, the proximity switch 15 is turned on, and based on this, the operation of the moving mechanism 6 is stopped and the supply of the sealer to the nozzle 4 is stopped. After that, the head portion 5 is returned to the start position again, and the normal sealer coating operation is performed again from the beginning.

Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications and changes can be made based on the technical idea of the present invention.

For example, in the above-described embodiment, the compression coil spring 10 and the tension coil spring 17 are arranged as an example of the biasing means of the head portion 5, but it is possible to use only the own weight of the head portion 5 as the biasing means. is there. That is, the head portion 5 may be tilted and installed at the joining portion, and the sealer discharge nozzle 4 may be brought into contact with the vehicle body panel 18 and the bent portion 21 of the vehicle body panel by its own weight so as to move along the contour. Further, the apparatus according to the present invention can be applied not only to the roof drip rail portion but also to the seal portion of the track type deck portion or the similar portions of other models and other products. That is, the present device can be applied to all joints having a bent portion in the vicinity.

d. As described above, according to the present invention, the head portions are rotatably supported in the directions substantially orthogonal to each other, and the tip of the sealer discharge nozzle of the head portion is joined to the panel member by the first urging means. The sealer is configured to apply the sealer to the joint portion while contacting the nozzle with the bent portion of the panel member by the second urging means and moving the nozzle in a copying manner. Since the sealer discharge nozzle can smoothly follow and move according to the difference in shape in the two directions orthogonal to each other (for example, height in the height direction and unevenness in the lateral direction), the bent portion (that is, , The hook)
If there is, it is possible to automatically apply the sealer with a copying system mechanism with a simple structure. Therefore, according to the present invention, a sealer can be automatically applied to a large object such as a vehicle body by a simple copying method, which is very practical. Further, the automation of the sealer application work can improve the work efficiency and ensure a certain quality. Further, since the installation space of the device according to the present invention is small, there is an advantage that the device can be installed in a narrow space where there is no robot installation space.

[Brief description of drawings]

The drawings are for explaining one embodiment of the present invention. FIG. 1 (A) is a front view of a sealer applicator and a vehicle body disposed on the side thereof, and FIG. 1 (B) is a sealer. FIG. 2 is a side view of the body of the vehicle body showing the application points, FIG. 2 is a side view showing the configuration of the main part of the sealer application device, and FIGS. 3, 4, and 5 are the operation states of the head part of the sealer application device, respectively. It is a side view shown. DESCRIPTION OF SYMBOLS 1 ... Sealer coating device, 3 ... Body body, 4 ... Sealer discharge nozzle, 4a ... Side part 4b ... Tip, 5 ... Head part, 4 ... Moving mechanism, 9 ... Spindle, 10 ... As a 1st urging means Compression coil spring, 13 ... spindle, 14 ... cylinder, 14a ...
Operating rod, 15 ... Proximity switch, 17 ... Tensile coil spring as second urging means, 18, 19 ... Vehicle body panel as panel member, 18a ... Uneven surface, 20 ... Joined portion, 21 ... Bent portion, 2
1a ... vertical plane, 22 ... sealer.

Claims (1)

[Scope of utility model registration request] 1. An apparatus for applying a sealer along a joint portion of a panel member having a bent portion in the vicinity, wherein (A) a movement for moving a head portion having a sealer discharge nozzle along the joint portion. A mechanism, (B) a support mechanism portion that rotatably supports the head portions in directions substantially orthogonal to each other, and (C) a first biasing member that rotates the sealer discharge nozzle toward the panel member. And (D) second urging means for urging the sealer discharge nozzle to rotate toward the surface of the bent portion on the side of the joint portion. While the tip end of the sealer discharge nozzle is brought into contact with the joint portion by the urging means, the sealer discharge nozzle is brought into contact with the bent portion by the second urging means to move along Apply sealer to the joint Sealer coating apparatus characterized by being configured to so that.