JPS6198683A - Door assembling method for car - Google Patents

Abstract

PURPOSE:To reduce the number of correction items in the afterprocess by automatically correcting the vertical deviation in the continuation section between the accent line at the door side and the accent line at the car body side. CONSTITUTION:When the rear end of the accent line 6c of a rear door 1 and the front end of the accent line 6d of a rear fender 3 are shifted from each other a limit switch 43 is not set to ON. Then, the door 1 is lowered only by a preset amount including a fixture frame 27 by driving one electric motor until the roller 43a of a limit switch 43 runs on the accent line 6d of a rear fender 2 and the limit switch 43 is set to ON. When the limit switch 43 is set to ON, the mutual deviation in both accent lines is corrected and aligned in a straight line.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a method for assembling an automobile door.

As is well known in the prior art, when assembling the entire door into the door opening of an automobile, it is a general rule to make the gap between the door periphery and the door opening uniform for aesthetic reasons. Specifically, as shown in FIGS. 13 and 14, for example, the gap a1. C,
It is necessary to ensure that all of the values are constant. still,
1 is the rear door.

2 is the side sill, and 3 is part of the rear fender.

Therefore, conventionally, as shown in, for example, Japanese Patent Application Laid-Open No. 54-5276 and Japanese Patent Application Laid-Open No. 54-11578,
The fixture of the door assembly device is provided with a gauge that controls the relative positioning of the fixture and the door.
In order to respond to the above request, we have taken into consideration the distance between the door opening on the vehicle body side and the door when setting the door.

- As shown in Figure 11, from a design perspective, from the front fender part 4 to the rear fender part 4 on the outside surface of the single unit.
An almost horizontal accent line (character line) 6 extending up to the capital 3 may be formed. This accent line 6 is divided into four sections: a front fender part 6a, a front door part 6b, a rear door t'i (S6c), and a rear fender part 6d. l.

When 7e# and 11 are found, they are matched as one continuous accent line 6.

However, when I found the fender part 3.4 and the door 1.7, there was an error in the assembly of the cooling system. West+l 7 If you attach the door based on the space between the door and the door opening part as shown in the figure, for example, as shown in Figure 11, the front fender part 4 and the front part of the accent line etc. Mountain 1 with door 7
．． Also, a step G occurs at 101 between the rear door 1 and the rear fender part j, and the lines may not match as one continuous accent line.

In particular, this accent line plays a large role in the design and overall appearance of the side of the car, so
In the past, it was necessary to completely eliminate the above-mentioned step differences and align them as one continuous line, and this was conventionally corrected by an operator in a subsequent process.

In order to meet the above-mentioned demands, the present invention attempts to provide a complete method for assembling a door that can achieve a consistent acoustic image of the accent line without significantly impairing the uniformity of the gap between the door and the door opening. be.

Means for Solving All Problems In the present invention, a door assembly system (on the neck, where the door side accent line and the vehicle body side accent line are continuous, the upper and lower A sensor that detects the deviation in direction is fed back to the door assembly device (1) to correct the rotation of the door held in the door assembly device. The accent lines are aligned in a straight line.

Example 9 and 10 show the method of the present invention? It is an overall view of the applied door assembly device, and illustrates an example of the device for assembling the rear door of a four-door car.

This door assembly apparatus N is roughly divided into a door fixture unit 10, a nut runner unit 11, and a holder. The nut runner unit 11 includes a Y-axis base 1j that can slide in the Y direction (in front of the vehicle) on a sub-base 12, a column 14 that can slide in the Y-axis direction 71jE? It consists of a mounted nut runner 15, and as described above, the tightening of the door hinge bolts is done in detail.

The door fixture unit 10 has a base of 16 h? X
Column 17 that can be slid 10,000 times, and 2-jo base 1 that can be slid in two directions (up and down) along column 17.
8, a rotating base 20 that can rotate within a small range around the Z-axis base 1B+Z)fi19, and a rotating base 20 that can be slid in the Y direction with respect to the rotating base 20.

While the column 17 slides due to the Q rotation of the cylinder 22, the Zllllll I base 18 moves up and down in unison with the rotating base 2() due to the arrangement of the pair of '1 movable heptads 23A and 23B. This electrically controlled motor 23A
, 23B's output l1il1124 is connected to the swing base 2 () via the spherical 1+111 joint or the flexible joint 25, so both motors j23A, 23B
By varying the movement tit, the rotating base 2 (1) fully rotates around the axis 19 integrally with the Y-axis base 21. The base 21 slides in the Y direction due to the action of the cylinder 26.

A fixture frame 27 is integrally attached to the Y-axis base 21. This fixture frame 27
, there is a number of receiving pieces 28 that control the positioning of the door 1 in the X direction.
, 28..., the paddy number gauge 29.29... which also controls the positioning of the door 1 in the Y direction, and the vacuum cup 7'30.30... which suctions and supports the door 1. and a nimble clamper that clamps on door 11, 111.
AI... are attached, and Eridor I is positioned and held on the fixture 7 frame 27 by these.

Further, a pair of clampers 32, 32, . . . , and a vacuum cup 33, 3A, . . . are attached to the fixture frame 27. Then, when setting the door held on the fixture frame 27 to the door opening of the vehicle body B, the clamper 32
While ... clamps the lower line of the side sill of the vehicle,
The vacuum cup 33 also absorbs part t1 of the rear pillar of the vehicle body B, and there is no positioning between the electric body B and the fixture frame 27.

-1llll] section and the lower collar section of the fixture frame 27 are sensor units A4. A5 is provided on the side.

As shown in FIGS. 2 to 5, the sensor unit j4 is
The bracket 36 is attached to the fixture frame 27, and the cylinder 37 is connected to the e and I! l
The frame 38 that slides in the Jx rotation, and the IIT movement 7-
A slider 40 slides in the Z direction relative to the frame A8 by the movement of the motor A9.

A pair of limit switches 42, 43 as sensors are arranged horizontally in parallel on the slider 4 (2), guide rollers 44, 45 are arranged 11 times each on the upper and lower sides of the limit switch 42UJ, and a retainer 1 is installed.

Then, as shown in FIGS. 5 and 411, the slider 40 is slid upward and downward at the continuous portion of the accent line 6 of the vehicle body B between the accent line 6C of the rear door and the accent line 6d of the rear fender,
The accent line 6cO111 of the rear door of one limit switch 42 is connected to the other limit switch 43?
! By placing part of the 1" rear fender along the accent line 6d side, a relative misalignment (step) k4* between the upper and lower sides of the accent line 6c+6d is created.

On the other hand, the other sensor unit) 35 is attached to the fixture frame 27 with a bracket +6f valve as shown in FIG. The gauge plate 49 is provided with a gauge plate 49 and a limit switch 50 as a sensor.

Assuming that the limit switch 50 and the door 1 supported by the fixture frame 27 are placed at the 111-pair position 1 in the height direction, then FIG. 7 and FIG. As shown, limit switch 5 (1 (1
) Roller 511 fi is the top 2 of the side sill 2 of the vehicle body B
If the entire fixture frame 27 is moved in the same direction all the way up and down with i corresponding to a, the door position 10+1r can be determined relative to the door opening part.

Here, in order to make the accent line 6t one continuous line as described above, as shown in FIG. On the other hand, it is preferable to match the front end of the accent line 6C of the rear door 1 with the rear end of the accent line 6b of the front door 7. However, when assembling the vehicle body in the order of rear fender, rear door, front door, and front fender, the front shoulder of the accent line 6C of the rear door l among the accent lines 6 mentioned above? There is no front door to match.

Therefore, instead of aligning the accent line 6C of the rear door 1 of the accent lines 6 with the front door side of the front MW k of the accent line 6, the side sill 2 rectangle f'i(l 2 a k This is used as a reference for positioning the front edge of the rear door in the height direction.

Next, an explanation will be given of an uninvented method using the above-mentioned apparatus.

First, as shown in FIG. 9 and FIG.
The notch, vacuum cup 30, and clamper are positioned relative to the fixture frame 27 based on tA28 and gauge 29.
Clamp door 1 by ....

Next, the cylinder 37 shown in FIG. 2 is made to elongate.

By moving the sensor unit 34 forward against the door 1 supported by the fixture frame 27, the guide roller 44.45i is pressed against the door 1 (see Fig. 1).
3) and (B)). Then, the electric motor 39 moves the slider 4() downward, and the roller 42a of the limit switch 42 rides on the accent line 6C of the rear door 1, turning the limit switch 42 ON.
It is stopped at the point when the limit switch 43 on the north side is in an OFF state.

On the other hand, the other sensor unit 35 shown in FIG. 6 is also advanced b1f by the rotation of the cylinder 47 and pressed against the gauge plate 49 and the door 1 (FIG. 7(B)).

Subsequently, the fixture frame 27'j-column 17 is incremented by j1, and the door 1 is set at the door opening. However, it is assumed that the front door 7 has not yet been assembled. At this time, while the roller 4Ja of the limit switch 4j of the sensor unit 34 faces the rear fender 3 (FIGS. 4 and 5)
, the roller 50 a of the limit switch 50 of the sensor unit 35 faces the side sill 2 (FIGS. 6 and 7 1B)).

In this door set state, as shown in Fig. 11,
If the accent line t5cc/)k4 of the rear door 1 and the front end of the accent line 6d of the rear fender 3 are misaligned among the accent lines, the limit switch 4
3 does not turn ON (FIG. 1 fcl and (D)). Therefore, one electric motor 23A (FIG. 9) is driven, and the limit switch 4. (The door lr fixture frame 27 is lowered by a predetermined amount until the roller 43a rises to the accent line 6d of the rear fender 2 and the limit switch 4j is turned on (Fig. 1(D)).
. In other words.

The door 10 supported by the fixture frame 27 is rotated around the entire axis 19 of the filament seam 2 so that the edge side of the door 10 is tilted downward. Then, when the limit switch 43 is turned on, the deviation (step) between the accent line 6d of the rear fender 3 and the accent line 6C of the rear door 1 is corrected and they are aligned in a straight line, as shown in FIG. 1+D1. .

Regarding the consistency between the front end of the accent line 6C of the rear door 1 and the accent line 6d side of the front door 7, since the front door has not yet been assembled, the rear door assembly is currently based on all front door side standards. Unable to match. Therefore, the height (a) of the front end of the accent line 6C of the rear door 1 is determined as a reference for the top portion 2a of the side sill 2 (old figure 7).

That is, the electric motor 23B is driven, and the IBI in FIG.
The roller 50a of the limit switch 50 shown in FIG.
The door 1'lt fixture frame 27 is lowered by a predetermined amount until it turns ON.

That is, the fixture frame 27 is rotated around the axis 19 (+- center), and the height position of the front end of the accent line 6C is determined as the top 2a' of the side sill 2 (as a reference. shall be driven in parallel.

As described above, the alignment work of the accent line 6 is completed, and then the fixture frame 27 is slid toward the rear fender J by the action of the cylinder 26 (FIG. 10). In other words, by pushing all the rear fenders of the door held by the fixture frame 27 as far as possible, the rear door can be adjusted with reference to the gauge 29 (Fig. 9) while maintaining the integrity of the accent line 6. The gap between 1 and rear fender 3 is made constant.

After that, clamper 32 and vacuum cup 33
↓After fixing the 27ft refixture frame to the body B, move the nut runner unit 11 forward and tighten the bolts of the door hinge H (Fig. i12). After bolt tightening is completed, the nut runner unit 11 and the door/fixture unit) 1 (1) are released, and the electric motors 2aA, 23Bj?↓ and 39 are driven to fix the fixture frame 27. Units) Each of the 34 meetings returns to the initial state and completes the 1 cycle.

Although the above embodiment has been explained by taking as an example the assembly of a front door, the present invention can be similarly applied to the assembly of a front door.

Effects of the Invention As described above, the present invention improves the consistency of the accent line on the side of the vehicle body during the automatic door assembly stage.
Since it can be secured, it not only contributes to improving the aesthetic appearance of the side of the electric body, but also reduces the total number of correction steps in the post-process.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing one embodiment of the method of the present invention, and FIG. 2 is a perspective view of a sensor unit. FIG. 3 is an imm diagram of the sensor unit shown in FIG. 2. Figure 4 is the same front view, Figure 5 is the flat 10 of the turntable.
1 explanatory diagram, FIG. 6 is a perspective view of another sensor unit, FIG. 7 +AI IBI IcI is an explanatory diagram of the operation of the sensor unit in FIG. 6, and FIG. 8 is a rotational view in the direction of FIG. 7 1 AlOP. Fig. 9 is a front view of the 4Je door assembly using the method of the present invention, Fig. 4111 is a side view thereof, Fig. 411 is an explanatory diagram of the vehicle body accent line, and Fig. 12 is an enlarged perspective view of the main part of Fig. 11. , FIG. 13 is A-A#j! of FIG. 12! and B-
B! 14 is the c-cast of FIG. 12.
↓ is a cross-sectional view taken along line D-D. l...Rear door, 6...Accent line, 6a°
・. Front fender part accent line, 6b...Front door part accent line, 6C...Rear door part accent line, 6d...Rear fender part accent line, 10...Door fixture unit,
34.35...sensor unit), 42°4j...
Limit switch (sensor), 50...Limit switch (sensor). Not yet 1 (DJ Figure (E) Figure 13 Figure 14 C2-le

Claims (1)

[Claims] (1) In a door assembly method in which a door supported by a door assembly device is positioned and automatically assembled to a door opening of a vehicle body based on the positioning operation of the door assembly device, the door is attached to the door side. A sensor installed in the door assembling device detects the vertical deviation between the formed accent line and the accent line on the vehicle body side in the continuous part, and the door assembling device supports the door assembling device based on the sensor output. A method for assembling an automobile door, which comprises correcting the direction of the door so that an accent line on the door side and an accent line on the vehicle body side are aligned in a straight line.