JPH02208185A - Door mounting device for automobile - Google Patents

Abstract

PURPOSE:To perform high-precise and automatic positioning of the upper and lower positions of a door, to reduce a work labor, and to improve efficiency by providing a door height setting device which sets the mounting height of the door according to a detecting signal from a sensor for detecting the position of the upper edge of the door. CONSTITUTION:A door mounting device comprises a sensor 16 to effect detection of the position of the upper edge of a door 8 and a door height setting device 17 to set the mounting height of the door 8 according to a detecting signal from the sensor 16. The sensor 16 is formed such that a cylinder 20 is mounted in a down state to a support frame 18, and down detecting probes 21a and 21b positioned in parallel to each other are vertically movably mounted to the cylinder 20. The one detecting probe 21a detects the height of the set position of the door 8 and arranged in a manner to allow it to make contact with the vicinity of the rear end of the upper edge of the door 8 from above. The other detecting probe 21b sets a door mounting height and is arranged in a manner to allow it to make contact with the upper edge part of a rear side panel, positioned adjacently to the door 8 being the reference of a car body 1, from above.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automobile door assembly device applied to a passenger car assembly line or the like.

(Prior Art) In many automobiles, such as passenger cars, a door is arranged on the side of the vehicle body, and the front end of the door is pivotally connected to the vehicle body by a hinge.

Various apparatuses for assembling an automobile door onto a vehicle body are known in the art, and one example is one described in Japanese Utility Model Application Publication No. 60-134085. That is,
A base is fixedly arranged on the side of the vehicle body, and a slide base is provided on the base so as to be slidable in a direction toward and away from the vehicle body and in a direction parallel to the vehicle body. This slide base has
A clamp device for removably gripping an automobile door is attached, and the clamp device and the slide base are driven and controlled by a control device.

Sometimes, when assembling the door, the door is supplied to the clamp and gripped, and then the control device moves the slide base and the clamp to set the door in position on the vehicle body, and in this state, the front end of the door is is pivoted to the vehicle body using a hinge.

(Problems to be Solved by the Invention) In recent years, the external shape of an automobile has tended to be considered an important element, and in order to enhance the aesthetic appearance of the side line, it is desirable to assemble the door with high precision.

Particularly in the case of a door whose front end is pivoted to the vehicle body via a hinge, the rear end of the door, which is the unsupported side, may fall downward due to its own weight during assembly.To correct this and ensure proper assembly. There are problems such as requiring a large amount of labor for the worker and reducing work efficiency. In addition, door mounting devices such as door holding clamps and bolt fastening means for fixing door hinges to the vehicle body complicate the overall system configuration, requiring a large installation space, or space efficiency. If you try to increase the height, there are problems such as interference with the vehicle body.

The present invention has been made in view of the above circumstances, and it is possible to perform the vertical positioning of the door with high precision and automatically, thereby reducing work labor and improving efficiency. An object of the present invention is to provide an automobile door assembling device that can improve the space efficiency in installing the device without causing any problems.

(Means for Solving the Problems) The present invention includes a base fixedly arranged on the side of a vehicle body, and a slide base provided on the base so as to be slidable in a direction toward and away from the vehicle body and in a direction parallel to the vehicle body. , a clamp device that is attached to this slide base and removably grips the automobile door; a door mounting device that attaches the door to the vehicle body; a control device that drives and controls the clamp device, door mounting device, and slide base; , a sensor that detects the position of the upper edge of the door, and a door height setting device that sets the door assembly height based on a detection signal from the sensor, and a clamp device and a door installation device that include: It is characterized in that it is provided on the slide base so as to be rotatable along the direction toward and away from the vehicle body.

(Function) When assembling a door, first, the door is supplied to the clamp device to be gripped, and then the slide base and the clamp device are moved by the control device to set the door in a position on the vehicle body. In this state, the sensor detects the position of the upper edge of the door.

Thereby, the detection signal output from the sensor is input to the door height setting device. In the door height setting device, an error is determined when assembling the door in the vertical direction, and the height is set when assembling the door in order to eliminate the error.

Therefore, the vertical positioning of the door to be assembled to the side of the vehicle body is automatically and with high precision, and a good appearance of the door part can be obtained in a stylish manner and with high working efficiency.

In addition, the clamping device and door mounting device are rotatable on the slide base and can be moved toward and away from the vehicle body, making it possible to change the arrangement by rotation during door supply and assembly. Not only can it be installed efficiently in a small space, but it can also be placed on standby in a position that does not interfere with the vehicle body when it is being moved.

(Example) Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a plan view showing the arrangement of an automobile door assembly apparatus according to this embodiment. That is, the vehicle body 1 is intermittently conveyed along the assembly line A in the longitudinal direction of the vehicle body (in the direction of arrow B), and the door assembly device 2 transfers the vehicle body 1 along the assembly line A.
A pair of stopping parts are arranged facing each other on both sides.

2 to 13 show the door assembly device 2 in detail. That is, as shown in FIGS. 2 to 4, the door assembly device 2
A base 3 fixedly arranged on a platform 3a on the side of the vehicle body 1, a first slide base 4 provided on the base 3 so as to be slidable in a direction C toward and away from the vehicle body 1, The i2 slide base 5 is provided on the first slide base 4 so as to be slidable in a direction parallel to the vehicle body 1. 6.7 is a slide guide for guiding each of these slide bases 4.5.

The second slide base 5 includes a clamp device 9 for removably holding an automobile door 8, and a pair of upper and lower hinges 10a, 10b provided at the front end of the door 8.
A bolt runner 11 is provided as a device for attaching the door to the door.

The clamp device 9 and the bolt runner 11 are rotatable on a horizontal plane about a point E on the second slide base 5 by means of a slide guide 12a and a rotation arm 12b1, so that they can move toward and away from the vehicle body 1. It has become. As a result, the clamp device 9 and bolt runner 11 can be rearranged between when supplying and assembling the door, and can be efficiently installed in a relatively small space, and are arranged so that they do not interfere with the vehicle body 1 when it is moved. You can now wait etc. The clamp device 9, each slide base 4.5, and bolt runner 11 are each driven and controlled by a control device 13. A safety fence 14 is provided around the door assembly device 2, and a pallet 15 for storing a plurality of doors 8 before assembly is provided near the door assembly device 2.

By the way, as shown in FIG. 5, the clamp device 9 includes a plurality of clamp members 9a...9o that support the front and back surfaces, front and rear ends, upper and lower ends, etc. of the door 8. The door 8 is assembled to the vehicle body 1 in the initial position as shown in FIG.
As shown in FIG. 8, some clamp members 9a and 9bs support the front and back surfaces of the door 8 and the upper hinge 10a.
Only 9fs 9j is used, thereby releasing the vertical support on the rear end side of the door 8 and allowing the door 8 to move up and down.

On the other hand, as shown in FIG. 11, the upper hinge 10a at the front end of the door 8 is provided with a fulcrum pin 10c protruding from the side surface of the vehicle body.
The support hole 8a is inserted into the support hole 8a.

Then, with the fulcrum pin 10c of the door 8 inserted into the support hole 8a, by applying a suppressing force to the door 8 from the outside, the door 8 can be rotated in the vertical direction about the fulcrum pin 10c. This is so that you can do it.

In addition, as shown in FIGS. 9 to 13, the door assembly device 2
is equipped with a sensor 16 that detects the position of the upper edge of the door 8, and a door height setting device 17 that sets the installation height of the door 8 based on a detection signal from the sensor 16.

That is, the sensor 16 is attached to the bracket 19 on the support frame 18.
The cylinder 20 is attached downwardly through the
1'b is configured to be movable up and down. One of the detectors 21a is for detecting the height of the set position of the door 8, and is arranged so that it can be contacted from above near the rear end of the upper edge of the door 8. Moreover, the other detector 21b is
The door assembly is for setting a reference height, and is arranged so that it can contact a reference part of the vehicle body 1, for example, the upper edge of the rear side panel adjacent to the door 8, from above.

Furthermore, the door height setting device 17 has a dimensional difference measurement means 22 such as an electronic micrometer, a correction means 23 such as a device control panel correction circuit, and a drive section 24 that applies rotational force to the door 8. has been done.

The dimensional difference measuring means 22 receives signals 101 and 102 as dimensional data output from each detector 21a and 21b, and based on this, the height dimensional error of the door 8 from the reference height is calculated Wl. .

In the correction means 23, the height dimensional error signal 103 outputted from the dimensional difference measuring means 22 is inputted, and the amount of height correction of the door 8 by the drive section 24 is determined.

The drive unit 24 pushes the lower part of the front edge of the door 8 rearward, and includes a rotary drive means 25 such as an induction motor or a pulse motor, and a pinion 26a and a rack 26b that convert the rotation of the rotary drive means 25 into reciprocating motion. A gear mechanism 26 consisting of a gear mechanism 26, a cam mechanism 27 that changes the operating direction of the rack 26b, and a rod 28 with a substantially T-shaped tip that is driven by the cam mechanism 27 and pushes the lower hinge 10b on the front edge of the door 8. It is said that it is configured to have.

Then, the rotation drive means 25 rotates a predetermined amount based on the height correction command signal 104 of the door 8 output from the correction means 23, and the rod 28 is driven via the gear mechanism 26 and the cam mechanism 27 according to the rotation. The rod 28 pushes the lower hinge 10b rearward. As a result, the door 8 is recessed in the vertical direction about the fulcrum pin 10c of the upper hinge 10a, and the height position of the rear end of the door 8 is corrected.

After the height position of the door 8 has been corrected, the bolt runner 11 described above is driven, and thereby each hinge 10a, 10
b is attached to the vehicle body 1 via bolts 29, and door assembly is completed.

Note that each of the electrical circuit components described above is provided in a control device 13 serving as a device control panel. In addition, the control device 13
A device operation panel 30 for manual operation is connected to.

According to the embodiments described above, the assembly of the door 8 is sometimes carried out after the door 8 is supplied to the clamp device 9 and gripped by the control device 1.
3, move the slide base 4.5 and the clamp device 9 to set the door 8 to the position where the door is attached to the vehicle body 1, and then operate the sensor 21a121b to detect the position of the upper edge of the door 8. . As a result, the detection signals 101 and 102 output from the sensors 21a and 21b
is input to the door height setting device 17, the door height setting device 17 determines the error in the vertical assembly of the door 8, and sets the height for the assembly of the door 8 in order to eliminate the error. .

Therefore, the vertical positioning of the door 8 to be assembled to the side of the vehicle body 1 is performed automatically and with high precision, and the door 8 can be assembled with the bolts 29 etc. after that.
A good appearance of the door 8 part can be easily obtained with high work efficiency.

Further, the clamp device 9 and the bolt runner 11 are connected to the second
Since it can be rotated on the slide base 5 in the direction toward and away from the vehicle body 1, it is possible to change the arrangement by rotating the door 8 when supplying it and when assembling it, and it can be installed efficiently in a relatively small space. When the vehicle body 1 is moved, it can stand by in a position that does not interfere with the vehicle body 1.

In the above embodiments, the present invention was applied to a door having a hinge at the front end, but the present invention can be applied in various aspects to a door having a hinge at another location, a sliding door, etc. Of course, it can be applied.

(Effects of the Invention) As described above, according to the automobile door assembly device according to the present invention, the door assembly is performed based on the sensor that detects the position of the upper edge of the door and the detection signal from this sensor. By providing a door height setting device that sets the height, the vertical positioning of the door can be performed automatically and with high precision, reducing work effort and improving efficiency. By being able to rotate in the direction toward and away from the vehicle body on the slide base, there is no interference with the vehicle body, and space efficiency for installing the device can also be improved.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a plan view showing the arrangement of the door assembly device, Fig. 2 is a perspective view showing the overall structure, and Fig. 3 is a side view of Fig. 2. Figure 4 is TS3
Fig. 5 is a plan view showing the clamp arrangement configuration;
Figures 8 through 8 are views showing how the door is supported by the clamp, Figure 9 is a perspective view showing the sensor device and door height setting means, Figure 10 is its circuit configuration diagram, and Figure 11 is height adjustment. An enlarged view of the front end of the door showing the state, FIG. 12 is a side view showing the sensor device, and FIG. 13 is a side view showing the sensor device.
FIG. 3 is a side view taken from a direction perpendicular to the figure. 1... Vehicle body 3... Base 4.5...
Slide base 8...Door 9...Clamp device 11...Door mounting device 13...Control device 16...Sensor 17...Door height setting means

Claims (1)

[Claims] A base fixedly arranged on the side of the vehicle body, a slide base provided on the base so as to be slidable in a direction toward and away from the vehicle body and in a direction parallel to the vehicle body, and an automobile door attached to the slide base. A door mounting device that attaches the door to the vehicle body, a control device that drives and controls the clamp device, the door mounting device, and the slide base, and a sensor that detects the position of the upper edge of the door. and a door height setting device that sets the installation height of the door based on a detection signal from the sensor, and the clamping device and the door mounting device are configured to attach to the slide base in a direction toward and away from the vehicle body. An automobile door assembling device characterized in that it is rotatable along.