JP2003095011A - Manufacturing method and fitting method of front end module of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the alignment accuracy of a head lamp unit fitted on the vehicle front. SOLUTION: When a front end module 10 is sub-assembled, the fitting position of head lamp units 7 are adjusted in an amount corresponding to that of the accuracy dispersion of the extremity position of side members 14 of the vehicle front 12, using a lamp fitting tool 23, and the head lamp unit 7 are fitted on a radiator core support member 1. As a result, the head lamp unit 7 can be arranged on the vehicle front in a regular fitting position, irrespective of the slant of the fitting position of the radiator core support member 1 due to the above accuracy dispersion.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a front end module for an automobile and a method for assembling a front end module.

[0002]

2. Description of the Related Art In recent years, a so-called front end module has been constructed by subassembling a headlamp unit, a front bumper and the like on a radiator core support member in order to simplify the assembly process of a vehicle body and automate the assembly work. Assembling of the front end module to a front portion of a vehicle body is being performed on an assembly line of the vehicle body.

As described above, the headlamp unit is mounted in advance in the lamp mounting portion of the radiator core support member in a regular mounting posture.

On the other hand, the front end module positions both the left and right ends of the upper edge of the radiator core support member by engaging locate pins provided on the front ends of the left and right hood ridge members at the front of the vehicle body. The lower part of the radiator core support member is butted against the front ends of the left and right side members, and is fastened and fixed to the hood ridge member and the side members with bolts, nuts and the like, and is assembled to the front part of the vehicle body.

[0005]

The front end module has two front and rear hood ridge members at the front upper side of the vehicle body, and front and rear side members at the front lower side of the vehicle body. Due to the assembling error between the hood ridge member and the side member, the accuracy of the front end positions of the left and right side members with respect to the position of the locate pin provided on the left and right hood ridge members varies. Even if the headlamp unit is installed in the lamp mounting part of the radiator core support member in the proper mounting posture as shown in the above, the radiator core support member is placed between the front ends of the left and right hood ridge members and the front ends of the left and right side members. The headlamp unit is aligned with the front part of the vehicle accurately because Results in a problem that will turned into.

Therefore, the present invention provides a method for assembling a front end module of an automobile, which can improve the accuracy of aligning the headlamp unit with the front portion of the vehicle body.

[0007]

According to the invention of claim 1, after the headlamp unit is attached to the radiator core support member in advance, the radiator core support member is positioned at the front end portion of the hood ridge member and the front ends of the left and right side members. Is a front end module manufacturing method in which the head lamp unit is mounted on a radiator core support member by using a lamp mounting jig. The lamp mounting jig includes a main jig having a hood ridge member corresponding portion and a side member corresponding portion, a predetermined positional relationship with respect to the main jig, and a headlamp unit. Lamp holder that holds the lamp in a predetermined positional relationship with the main jig. And a hood ridge in the actual front part of the vehicle body before assembly so that the headlamp unit is in a predetermined posture position when the front end module is fastened and fixed to the actual front part of the vehicle body. It is characterized in that it is provided with an adjusting means for adjusting the relative position / posture of the main jig or the lamp holding jig in response to the relative position variation between the member front end and the side member front end.

According to the second aspect of the present invention, after the headlamp unit is attached to the radiator core support member in advance, the headlamp unit is positioned at the front end of the hood ridge member, and the hood ridge is abutted against the front ends of the left and right side members. A method for manufacturing a front end module fixedly fastened to a member and a side member, the method comprising manufacturing a head lamp unit to a radiator core support member using a lamp mounting jig. The mounting jig is
Corresponding to the relative position variation between the front end of the hood ridge member and the front end of the side member in the actual front part of the vehicle body,
A main jig having a hood ridge member corresponding portion and a side member corresponding portion whose position is relatively adjustable, and a predetermined positional relationship with respect to the main jig, and a headlamp unit with respect to the main jig. It is characterized in that it is provided with a lamp holding jig that holds the lamp in a position / posture.

According to a third aspect of the present invention, there is provided the method of manufacturing a front end module for an automobile according to the second aspect, wherein the lamp mounting jig is an actual front portion of the hood ridge member and a side member of the front portion of the vehicle body. A main jig having left and right hood ridge member corresponding portions and left and right side member corresponding portions whose positions can be adjusted relative to each other in the front-rear direction relative to the front-rear relative position variation. And a lamp holding jig that holds the headlamp unit in a predetermined mounting posture with respect to the hood ridge member corresponding portion of the main jig, and the front end portions of the left and right hood ridge members in the actual front portion of the vehicle body. The step of receiving the position data of the front end portions of the left and right side members with respect to the position of the The positions of the left and right side member corresponding parts are adjusted relative to the left and right hood ridge member corresponding parts in the front-rear direction, and the relative positions of the actual side member front end part and the hood ridge member front end part The step of exposing the relationship on the main jig, the radiator core support member is positioned at the hood ridge member corresponding portion, and the front end of the side member corresponding portion is abutted to the hood ridge member corresponding portion and the side. The process of fastening and fixing to the member corresponding part and setting it on the main jig, and holding it with the lamp holding jig on the radiator core support member where the actual assembly posture in the front part of the vehicle body was revealed by the main jig And fixing the lamp unit to the lamp mounting portion while maintaining a predetermined mounting posture.

According to the invention of claim 4, the front end module, in which the headlamp unit is previously attached to the radiator core support member, is positioned at the front end portions of the left and right hood ridge members at the front of the vehicle body, and the left and right side members are also positioned. A method for assembling a front end module of an automobile, in which a hood ridge member is butt-fastened and fixed to a hood ridge member and a side member. Correcting the mounting attitude of the headlamp unit with respect to the radiator core support member according to the relative position variation of the member front end position, and mounting the headlamp unit on the radiator core support member, and the radiator core support member with the headlamp unit mounted. To While positioned in the actual vehicle body front portion of the hood ridge members forward end and butt the side member front end, it is characterized in that it comprises a a step of fastened thereto hood ridge members and side members.

According to a fifth aspect of the invention, the lamp mounting jig according to the fourth aspect can relatively adjust its position in accordance with the relative positional deviation between the front part of the vehicle body and the front end part of the side member. And a main jig having left and right hood ridge member corresponding portions and side member corresponding portions, and a predetermined position relationship with respect to the main jig, and a predetermined mounting posture of the headlamp unit with respect to the main jig. And a lamp holding jig for holding the head lamp unit in the radiator core support member. The step of mounting the head lamp unit to the radiator core support member positions the radiator core support member to the hood ridge member corresponding portion using the lamp mounting jig. At the same time, butt against the front end of the side member corresponding part and fasten and fix to the hood ridge member corresponding part and side member corresponding part. The step of setting in the in-jig, the step of detecting the front end positions of the left and right side members with respect to the actual front end positions of the left and right hood ridge members and outputting the position data, and the output position data Based on this position data and the position data, the left and right side member corresponding parts of the main jig are positionally adjusted relative to the left and right hood ridge member corresponding parts in the front-rear direction by the control means, and the actual vehicle front Of the relative position between the front end of the side member and the front end of the hood ridge on the main jig, and the radiator core support member is fastened and fixed to the hood ridge corresponding portion and set on the main jig. The lamp holding jig is used to hold the radiator core support member whose process and the actual assembly posture at the front of the vehicle body by the main jig. It is characterized in that the the lamp unit with a predetermined mounting position and a step of fastening fixed to the lamp mounting unit.

According to a sixth aspect of the present invention, there is provided the lamp mounting jig according to the fourth aspect, in which the left and right hood ridge member corresponding portions corresponding to the front end portions of the hood ridge members in the front portion of the actual vehicle body and the side members. A main jig having a side member corresponding portion whose front end position is set to a designed front end position corresponding to the front end portion to be a regular side member front end position of a vehicle body front portion with respect to the hood ridge member corresponding portion; A lamp holding jig that is attached to the main jig, movably holds the headlamp unit so that its mounting posture can be adjusted, and that fastens and fixes the headlamp unit to the lamp mounting portion of the radiator core support member. Equipped with
The step of attaching the headlamp unit to the radiator core support member is performed by positioning the radiator core support member to the hood ridge member corresponding portion using the lamp attachment jig and abutting the front end of the side member corresponding portion. , The process of revealing the proper assembly posture of the radiator core support member in the design by fastening and fixing to the hood ridge member corresponding part and the side member corresponding part and setting it on the main jig, and the actual front part of the vehicle body. The front end positions of the left and right side members with respect to the front end portions of the left and right hood ridge members are detected, and based on the detection result, the mounting posture of the headlamp unit held by the lamp holding jig is adjusted by the control means to determine the actual position. The head in the state where the accuracy variation of the front end position of the side member on the front part of the vehicle body is absorbed The lamp unit is characterized in that it comprises a step of fastening fixed to the lamp mount portion of the radiator core support member which is set in the main jig.

[0013]

According to the first aspect of the present invention, even if the position of the front end of the hood ridge member in the front part of the vehicle body varies in accuracy with respect to the position of the front end of the side member, the front end module At the sub-assembly stage, the lamp mounting jig that has the main jig and the lamp holding jig that can relatively adjust the position / posture, and the front end of the hood ridge member and the front end of the side member in the front part of the actual vehicle body. The relative positional relationship of can be revealed,
Since the lamp unit held in a predetermined positional relationship with the main jig in that state can be attached to the radiator core support member, the front of the vehicle body with the front end module fastened and fixed to the hood ridge member and the side member. It is possible to improve the alignment accuracy of the headlamp unit in the section.

According to the second aspect of the present invention, even if there is a precision variation in the position of the front end of the side member with respect to the position of the front end of the hood ridge member at the front of the vehicle body, the front end module is not At the stage of assembling, a lamp mounting jig having a hood ridge member corresponding part and a side member corresponding part whose position can be relatively adjusted is used to make the hood ridge member front end and the side member front end in the actual front part of the vehicle body relative to each other. Since the lamp unit, which can express the positional relationship and is held in the predetermined positional relationship with respect to the main jig in that state, can be attached to the radiator core support member, the hood ridge member and the side member can be attached. Fit the headlamp unit at the front of the vehicle with the front end module fastened and fixed. I was able to improve the accuracy.

According to the third aspect of the present invention, the front-to-rear direction in which the accuracy of the vehicle body side is particularly severe even if the accuracy of the position of the front end portion of the side member is different from the position of the front end portion of the hood ridge member at the front portion of the vehicle body Therefore, the alignment accuracy can be improved, and the relative positional relationship between the side member corresponding portion and the hood ridge member corresponding portion can be automatically adjusted by the position data.

According to the present invention, the front end module is fastened to the hood ridge member and the side member even if the hood ridge member in the front portion of the vehicle body has a variation in the front end position of the side member. In the fixed state, when the front end module is sub-assembled, the mounting posture of the headlamp unit is corrected by a lamp mounting jig by an amount corresponding to the accuracy variation of the side member front end position of the front part of the vehicle body, Since the unit is attached to the radiator core support member, the headlamp unit can be placed in the front portion of the vehicle body in the proper mounting posture regardless of the inclination of the mounting posture of the radiator core support member due to the accuracy variation. Improves the alignment accuracy of the headlamp unit to the front of the vehicle It is possible.

According to the invention of claim 5, claim 4
In addition to the effects of the invention described above, the mounting attitude of the radiator core support member can be adjusted by the main jig of the lamp mounting jig during the sub-assembly of the front end module to cope with the accuracy variation of the actual front side member front end position. Of the radiator core support member with the lamp holding jig to hold and fix the headlamp unit to the lamp mounting portion while maintaining the predetermined regular mounting posture with respect to the radiator core support member. The mounting posture of the headlamp unit with respect to the member can be corrected accurately and easily.

According to the invention of claim 6, claim 4
In addition to the effects of the invention described above, in addition to the design of the radiator core support member, the main assembly jig of the lamp holding jig is exposed during the sub-assembly of the front end module, and the radiator core support member is mounted. On the other hand, by using a lamp holding jig, the mounting posture of the headlamp unit is adjusted by a correction amount corresponding to the accuracy variation of the side member front end position of the front part of the vehicle body, and the headlamp unit is adjusted in a state in which the accuracy variation is absorbed. Since the unit is fastened and fixed to the lamp mounting portion, the mounting attitude of the headlamp unit with respect to the radiator core support member can be corrected accurately and easily.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 6 shows a process of assembling the front end module 10 sub-assembled by the method of the present invention to the vehicle body front portion 12 of the vehicle body 11. In the figure, reference numeral 1 denotes a radiator core support member, and the radiator core support member is shown. The core support member 1 includes an upper member 2 and a lower member 3.
And a pair of left and right side stays 4 and a center stay 5 that connect the upper member 2 and the lower member 3 in the vertical direction.

Both left and right sides of the upper member 2 are extended portions 2A which are curved and extend rearward. As shown in FIG. 2, the headlamps extend over the respective extended portions 2A and the side stay portions 4. A lamp mounting portion 6 for mounting the unit 7 is formed.

This radiator core support member 1 is
For example, it is integrally molded with an appropriate synthetic resin material.

For example, three mounting seats 6A for mounting the headlamp unit 7 are formed on the lamp mounting portion 6, and the headlamp unit 7 is mounted on the mounting seat 6A via a bracket 7A provided on the peripheral portion of the case. The front end module 10 is constructed by fastening and fixing the head lamp unit 7 with bolts 8 and subassembling the head lamp unit 7 to the radiator core support member 1 together with other mounting parts (not shown).

At the rear end of each extending portion 2A of the upper member 2, there is formed a notch portion 9 for engaging a locate pin 15 provided on the left and right hood ridge members 13, which will be described later.

Hood ridge members 13 forming a front-rear direction skeleton member are provided on the upper left and right sides of the vehicle body front portion 12, and front-rear direction skeleton members are also formed on the lower left and right sides. A side member 14 is provided.

Locating pins 15 are provided on the front ends of the hood ridge members 13 so as to project therefrom.

The front end module 10 described above is
The radiator core support member 1 is replaced by its upper member 2
2A is overlapped on the front end of the hood ridge member 13, and the notch 9 at the rear end is engaged with the locate pin 15 to position in the vertical direction and the width direction of the vehicle, and the side stay 4 is moved to the side. The extension portions 2A and the side stay portions 4 overlap the front ends of the members 14 and are aligned with the corresponding bolt insertion holes 2a and 13a, and 4a and 14a, and the front end portions and the side members of the corresponding hood ridge members 13 are formed. The front end of 14 is fastened and fixed by bolts at a plurality of locations, and is attached to the front portion 12 of the vehicle body.

As shown in FIG. 1, the head lamp unit 7 is sub-assembled to the radiator core support member 1 to form the front end module 10, and the front end module 10 is assembled to the front portion 12 of the vehicle body conceptually. Shown in.

In parallel with the main assembly lines L and M of the vehicle body 1, in the sub lines L and S, the headlamp unit 7 is assembled to the radiator core support member 1 using the lamp mounting jig 23.

In the front end module assembly stage in the main assembly lines L and M, the position sensor 21 positions the locate pins 15 provided on the front end portions of the left and right hood ridge members 13 in the vehicle body front portion 12 and the left and right side members. The front end position of 14 is detected, and the detected information is fetched into the computer 22 as a control means, and the side member front end position with respect to the designed locate pin position and the side member front end position with respect to the actual locate pin position of the vehicle body front portion 12 are detected. Comparing the deviation amount with.

Then, this amount of deviation, that is, the amount of precision variation is converted into an electric amount, and a drive signal is sent from the computer 22 to the lamp mounting jig 23 to send the lamp mounting jig 23.
Is driven to correct the mounting posture of the headlamp unit 7 with respect to the radiator core support member 1 in accordance with the accuracy variation, and the headlamp unit 7 is assembled to the radiator core support member 1.

The front end module 10 constructed by mounting the headlamp unit 7 on the radiator core support member 1 by the lamp mounting jig 23 is transferred to the main assembly line L / M, and on the main assembly line L / M. It is positioned and assembled in the vehicle body front portion 12 of the moving vehicle body 11 as described above.

The front end module 10 can be assembled to the vehicle body front portion 12 automatically by, for example, a robot (not shown).

FIG. 2 shows a first embodiment of the lamp mounting jig 23. The lamp mounting jig 23 is a main jig 24 for fixing and holding the radiator core support member 1.
And a lamp holding jig 25 attached to the main jig 24 for holding the headlamp unit 7 and attaching the headlamp unit 7 to the lamp attaching portion 6 of the radiator core support member 1.

The main jig 24 is a plate-shaped vertical base 26.
And a hood ridge member corresponding portion 27 provided on both left and right sides of the upper edge of the base 26, and side member corresponding portions 28 provided on both left and right sides of the front surface of the base 26.

The hood ridge member corresponding portion 27 corresponds to the front end portion of the hood ridge member 13 in the actual vehicle body front portion 12, and has the same positional relationship as the locate pin 15 and the bolt insertion hole 13a of the hood ridge member 13. A locate pin 29 and a bolt insertion hole 27a are provided.

The side member corresponding portion 28 corresponds to the front end portion of the side member 14 in the actual vehicle body front portion 12, and its front end face has exactly the same positional relationship as the bolt insertion hole 14a in the front end face of the side member 14. With bolt insertion hole 28a
Is provided.

In the present embodiment, the side member corresponding portion 28 is moved forward and backward by a drive mechanism 31 such as an electromagnetic actuator or an air cylinder mechanism driven by a drive signal from the computer 22, The front end position is adjustable.

Further, on the front surface of the base plate 26, the rear surface side of the headlamp unit 7 held by the lamp holding jig 25 is pressed to the outside position of the side member corresponding portion 28 so that the lamp holding jig 25 and Headlamp unit 7 in cooperation
A plurality of push rods 32 for holding are arranged in a protruding manner.

Similar to the side member corresponding portion 28, the push rod 32 is moved forward and backward by a drive mechanism (not shown) such as an electromagnetic actuator or an air cylinder mechanism.

In the lamp holding jig 25, a plurality of stud bolts 33 protruding from the rear surface thereof are passed through bolt insertion holes 26a provided on both left and right sides of the base 26 of the main jig 24 and fastened to the base 26. It is fixed to the front of the.

This lamp holding jig 25 is the main jig 2
4, the radiator core support member 1 is set, and the headlamp unit 7 is temporarily placed on the lamp mounting portion 6 of the radiator core support member 1. Two
The headlamp unit 7 is fixed to the front surface of the headlamp unit 7, and the stationary management surface 7a (see FIG. 3) provided on the peripheral edge of the case of the headlamp unit 7 is abutted on the front surface, the upper surface, and the side surface of the headlamp unit 7. A stationary rod 34 for holding a predetermined predetermined basic mounting posture, that is, a designed mounting posture is provided.

Next, a procedure for subassembling the headlamp unit 7 on the radiator core support member 1 to construct the front end module 10 using the lamp mounting jig 23 of the first embodiment will be described below.

First, the radiator core support member 1
The left and right extending portions 2A of the upper member 2 are placed on the hood ridge member corresponding portion 27 of the main jig 24 and hung on the main jig 24, and the notch 9 at the rear end of the extending portion 2A is placed. Locate pin 2 on hood ridge member corresponding part 27
9, the radiator core support member 1 is positioned in the front-rear direction and the vehicle width direction.

When the radiator core support member 1 is properly positioned, the bolt insertion holes 2a and 4a provided in the extending portion 2A and the side stay portion 4 correspond to the hood ridge member corresponding portion 27 and the side. Since it is aligned with the bolt insertion holes 27a and 28a on the front surface of the member corresponding portion 28, these bolt insertion holes 2a and 27a are formed.
The radiator core support member 1 is temporarily held on the main jig 24 by temporarily tightening bolts (not shown) through a and 4a and 28a.

Next, the head lamp unit 7 is applied to the lamp mounting portion 6 of the radiator core support member 1 from the front, the bracket 7A is brought into contact with the mounting seat 6A, and the lamp holding jig 25 is applied from the front. The lamp holding jig 25 is fastened and fixed to the front surface of the base 26 of the main jig 24.

When the push rod 32 on the main jig 24 side is advanced, the head lamp unit 7 is pressed by the lamp holding jig 25 by the push rod 32, and a plurality of head lamp units 7 are provided on the periphery of the case. The stationary management surfaces 7a are brought into pressure contact with the ends of the stationary rods 34 of the corresponding lamp holding jigs 25, and the predetermined basic mounting posture of the headlamp unit 7 is maintained.

The preparatory work for mounting the radiator core support member 1 and the headlamp unit 7 on the lamp mounting jig 23 is performed by the main assembly line L.
It is performed in accordance with the transfer timing of the vehicle body 11 on M.

Then, as described above, the main assembly line L
The left and right hood ridge members 13 in the actual front part 12 of the vehicle body in the M front-end module assembly stage
When the accuracy variation of the front end positions of the left and right side members 14 with respect to the position of the locate pin 15 at the front end of is detected,
Based on this detection result, the left and right side member corresponding parts 28 of the main jig 24 are positionally adjusted in the front-rear direction under the control of the computer 22, and the front end position of the front end of the side member 14 of the actual vehicle body front part 12 is adjusted. Aligning with the position, in this state, the extension portion 2A and the side stay portion 4 of the radiator core support member 1 are fully tightened and fixed to the hood ridge member corresponding portion 27 and the front ends of the side member corresponding portions 28 with bolts, and actually, The mounting posture of the radiator core support member 1 is revealed in response to the accuracy variation of the front end position of the side member 14 of the vehicle body front portion 12.

Next, the head lamp unit held by the lamp holding jig 25 is mounted on the lamp mounting portion 6 of the radiator core support member 1 in which the actual mounting posture of the vehicle body front portion 12 is revealed by the main jig 24. The front end module 10 is constructed by fastening and fixing 7 at the overlapping portion of the mounting seat 6A and the bracket 7A while maintaining the above-described basic mounting posture, as shown in FIG.

The front end module 10 constructed in this manner is attached to the vehicle body front portion 12 of the vehicle body 11 which is detached from the lamp mounting jig 23 and moves on the main assembly lines L and M as described above. It is positioned and assembled (see FIG. 6).

As described above, according to the method of the present invention, the locating pin 15 of the hood ridge member 13 of the vehicle body front portion 12 is located.
Even if the accuracy of the front end position of the side member 14 varies with respect to the position, the front end module 10 is fastened and fixed to the hood ridge member 13 and the side member 14.
At the stage of sub-assembling the head lamp unit 7, the lamp mounting jig 23 corrects the mounting posture of the head lamp unit 7 by an amount corresponding to the accuracy variation of the front end position of the side member 14 of the vehicle body front portion 12, and the head lamp unit 7 is mounted on the radiator core. Since it is attached to the support member 1, the headlamp unit 7 can be arranged in the front portion 12 of the vehicle body in a regular attachment posture regardless of the inclination of the mounting posture of the radiator core support member 1 due to the accuracy variation. Therefore, the alignment accuracy of the headlamp unit 7 with respect to the vehicle body front portion 12 can be improved.

Particularly, when the front end module 10 is sub-assembled by using the lamp mounting jig 23 of the first embodiment, the accuracy of the front end position of the side member 14 of the front part 12 of the vehicle body is actually measured by the main jig 24. The mounting posture of the radiator core support member 1 is exposed in response to the variation, and the radiator core support member 1 is
On the other hand, since the headlamp unit 7 is fastened and fixed to the lamp mounting portion 6 by the lamp holding jig 25 while maintaining the predetermined regular mounting posture, the mounting posture of the headlamp unit 7 with respect to the radiator core support member 1 should be corrected. , Can be performed accurately and easily.

In the first embodiment, the relative positional relationship between the front end of the hood ridge member and the front end of the side member is adjusted in the front-rear direction at the side member corresponding part of the main jig. Of course, the position of the hood ridge member corresponding portion may be adjusted in the front-back direction.

FIG. 4 shows a second embodiment of the lamp mounting jig 23 used in the method of the present invention.

In this embodiment, the side member corresponding portion 28 of the main jig 24 in the first embodiment is fixed to the base plate 26, and its front end position is the position of the locate pin 29 of the hood ridge member corresponding portion 27. Against the front of the car body 1
2 is set to the designed front end position which is the front end position of the regular side member 14.

On the other hand, the lamp holding jig 25 attached to the main jig 24 is movably constructed so that the mounting posture of the headlamp unit 7 can be adjusted.

Reference numeral 35 denotes a mounting bracket for the lamp holding jig 25, which has a plurality of stud bolts 33 formed in an L shape with a bottom plate 36 and a vertical plate 37 and projecting from the back surface of the vertical plate 37. The bolts are inserted through the bolt insertion holes 26a of the base plate 24 to be fastened and fixed to the front face of the base plate 26.

A guide rail 38 is formed on the upper surface of the bottom plate 36 in the front-rear direction, and a support plate 39 is formed on the bottom plate 36 with a guide groove 40 engaging with the guide rail 38.
Are mounted by these guide rails 38 and guide grooves 40 so as to be movable in the front-rear direction.

The lamp holding jig 25 has its lower edge rear end mounted on the rear end of the support plate 39 via a support shaft 41 so as to be rotatable in the front-rear direction.

A drive mechanism 42 such as an air cylinder is disposed across the front portion of the side surface of the lamp holding jig 25 and the front end portion of the support plate 39. The support shaft 41 can be rotated in the front-rear direction with the rotation support point.

Although not shown, the support plate 39 can also be moved in the front-rear direction by a drive mechanism similar to the drive mechanism 42.

Each of these drive mechanisms 42 is driven by a drive signal from the computer 22.

When the headlamp unit 7 is assembled to the radiator core support member 1 by using the lamp mounting jig 23 of the second embodiment, first, the radiator core support member 1 is set in the same manner as in the first embodiment. After positioning with the locate pin 29 on the main jig 24,
The radiator core support member 1 is fastened and fixed to the hood ridge member corresponding portion 27 and the front end of the side member corresponding portion 28 with a bolt (not shown).

In this fixed state, the radiator core support member 1 appears in a proper mounting posture in terms of vehicle body design.

Next, the headlamp unit 7 is attached to the lamp mounting portion 6 of the radiator core support member 1 from the front.
And the lamp holding jig 25 from the front, and the lamp holding jig 25 is attached to the mounting bracket 3.
It is fastened and fixed to the front surface of the base 26 of the main jig 24 via 5.

Then, in the same manner as in the first embodiment, in the front end module assembly stage of the main assembly line LM, the computer 22 performs information processing of the accuracy variation of the side member front end position of the vehicle body front portion 12. By the drive signal from the computer 22,
Assembling the headlamp unit 7 in response to the accuracy variation by driving a drive mechanism 42 for rotating the lamp holding jig 25 back and forth and / or a drive mechanism (not shown) for moving the lamp holding jig 25 back and forth. The posture is corrected, and the headlamp unit 7 is fastened and fixed to the lamp mounting portion 6.

When the lamp mounting jig 23 of the second embodiment is used, the main jig 24 exposes the designing proper mounting posture of the radiator core support member 1, and then the radiator core support member is mounted. 1), the lamp holding jig 25 adjusts the mounting posture of the headlamp unit 7 by a correction amount corresponding to the accuracy variation of the front end position of the side member 14 of the vehicle body front portion 12 to absorb the accuracy variation. Since the headlamp unit 7 is fastened and fixed to the lamp mounting portion 6 in this state, the mounting posture of the headlamp unit 7 with respect to the radiator core support member 1 can be corrected accurately and easily.

In the second embodiment, the lamp holding jig 25 has been described to be moved back and forth and rotated back and forth for convenience, but in addition to this, the lamp holding jig 25 is tilted and rotated in the vehicle width direction so that the headlamp unit posture is changed. Of course, it is also possible to adjust.

In any of the above methods, the headlamp unit 7 and the radiator core support member 1 are modified by modifying the mounting posture of the headlamp unit 7.
The gap formed between the lamp mounting portion 6 and the lamp mounting portion 6 is, of course, held by the gap holding means.
The structure shown in can be adopted.

In FIG. 7, the bolt insertion hole of the bracket 7A of the headlamp unit 7 is a screw hole 42, and a cylindrical shim 43 having a screw portion 44 formed on the outer periphery is screwed into the screw hole 42. By adjusting the protrusion amount of the shim 43 in accordance with the gap S between the bracket 7A and the lamp mounting seat 6A after the mounting posture is completed, the bolt 8 is screwed into the screw hole 6a of the lamp mounting seat 6A. , The gap S is held.

[Brief description of drawings]

FIG. 1 is an explanatory view conceptually showing the method of the present invention.

FIG. 2 is a perspective view showing a first embodiment of a lamp mounting jig used in the method of the present invention.

FIG. 3 is an enlarged view of the headlamp unit shown in FIG.

FIG. 4 is a perspective view showing a second embodiment of a lamp mounting jig used in the method of the present invention.

5 is a perspective view showing a state where a headlamp unit is attached to a radiator core support member by the lamp attaching jig shown in FIG. 2 or FIG.

6 is a perspective view showing a relationship between the front end module shown in FIG. 5 and a vehicle body front portion.

FIG. 7 is a sectional view showing an example of a gap fixing means.

[Explanation of symbols]

1 Radiator core support member 6 headlamp unit 10 Front end module 11 car body 12 front part 13 Food Ridge Member 14 Side member 15 Locating Pin of Hood Ridge Member 22 Control means 23 Lamp mounting jig 24 Main jig 25 Lamp holding jig 27 Food Ridge Member Correspondence Section 28 Side member support section 29 Locating pin for hood ridge member

Claims (6)

[Claims] 1. A headlamp unit is attached to a radiator core support member in advance and then positioned at a front end portion of a hood ridge member, and is abutted at front ends of left and right side members to be fastened and fixed to the hood ridge member and the side member. A method of manufacturing a front end module according to claim 1, wherein the method of manufacturing a front end module includes a step of mounting the headlamp unit on a radiator core support member using a lamp mounting jig, wherein the lamp mounting jig is a hood ridge member. A main jig having a corresponding portion and a side member corresponding portion, and having a predetermined positional relationship with the main jig, and holding the headlamp unit in a predetermined positional relationship with the main jig. And a lamp holding jig. The front end of the hood ridge member and the front end of the side member in the actual front part of the vehicle body before assembly are assembled so that the headlamp unit will be in a predetermined posture position when the front end module is fastened and fixed to the actual front part of the vehicle body. A method of manufacturing a front-end module for an automobile, comprising: an adjusting unit that adjusts a relative position / orientation of the main jig or the lamp holding jig in response to a variation in the target position. 2. The headlamp unit is attached to the radiator core support member in advance, and then the headlamp unit is positioned at the front end of the hood ridge member and is abutted against the front ends of the left and right side members to be fastened and fixed to the hood ridge member and the side member. A method of manufacturing a front end module according to claim 1, wherein the method of manufacturing a front end module includes a step of mounting the headlamp unit on a radiator core support member using a lamp mounting jig, wherein the lamp mounting jig is an actual vehicle body. Corresponding to the relative position variation between the front end of the hood ridge member and the front end of the side member at the front,
A main jig having a hood ridge member corresponding portion and a side member corresponding portion whose position can be relatively adjusted and a predetermined positional relationship with respect to the main jig, and the headlamp unit with respect to the main jig. A method of manufacturing a front end module for an automobile, comprising: a lamp holding jig that holds the lamp in a position / orientation. 3. The method for manufacturing a front end module for an automobile according to claim 2, wherein the lamp mounting jig is a front-rear direction relative to a front end of a hood ridge member and a front end of a side member of an actual front part of a vehicle body. The main lamp has left and right hood ridge member corresponding parts and left and right side member corresponding parts whose positions can be adjusted relative to each other in the front-rear direction in response to positional variations, and the head lamp unit is attached to the main jig. A lamp holding jig that holds the hood ridge member corresponding part of the main jig in a predetermined assembly posture, and the left and right side member front ends relative to the actual left and right hood ridge member front end positions. Based on the process of receiving the position data of the parts from the outside and the position data, the control means controls the pair of left and right side members of the main jig. The front and rear hood ridge member corresponding parts are positionally adjusted relative to the left and right hood ridge member corresponding parts, and the main relative position relationship between the front end of the side member and the front end of the hood ridge member is adjusted. And the radiator core support member is positioned at the hood ridge member corresponding portion, and is abutted against the front end of the side member corresponding portion to form the hood ridge member corresponding portion and the side member corresponding portion. The process of fastening and fixing and setting to the main jig, and the main jig to the radiator core support member where the actual mounting position in the front part of the vehicle body was revealed, the lamp unit held by the lamp holding jig A step of fastening and fixing to the lamp mounting portion while maintaining a predetermined mounting posture; and a front end module for an automobile, comprising: Manufacturing method. 4. A front end module in which a headlamp unit is previously attached to a radiator core support member is positioned at the left and right hood ridge member front ends of the front part of the vehicle body, and these hoods are butted against the left and right side member front ends. A method for assembling a front end module of an automobile, which is fastened and fixed to a ridge member and a side member, wherein a lamp mounting jig is used to vary the relative position of the front end position of the side member to the front end part of the hood member in the front part of the vehicle body. Correspondingly, the mounting attitude of the headlamp unit with respect to the radiator core support member is corrected, and the headlamp unit is mounted on the radiator core support member, and the radiator core support member with the headlamp unit is mounted on the front of the actual vehicle body. hood While positioned in Jjimenba front end and butt the side member front end, these hood ridge members and front end module assembly method of a motor vehicle, characterized in that it comprises a step of fastening fixed to the side members, the. 5. The lamp mounting jig has left and right hood ridge member corresponding portions whose positions can be relatively adjusted in response to variations in the relative positions of the front end portion of the hood ridge member and the front end portion of the side member in the actual front portion of the vehicle body. And a main jig having side member corresponding parts, and having a predetermined positional relationship with the main jig,
And a lamp holding jig for holding the headlamp unit in a predetermined mounting posture with respect to the main jig, wherein the step of mounting the headlamp unit on the radiator core support member uses the lamp mounting jig. The radiator core support member is positioned at the hood ridge member corresponding portion, but it is abutted against the front end of the side member corresponding portion, fastened and fixed to the hood ridge member corresponding portion and the side member corresponding portion, and set on the main jig. A step of detecting the positions of the front end portions of the left and right side members with respect to the actual positions of the front end portions of the left and right hood ridge members in the front part of the vehicle body, and a step of receiving the output position data, Based on this position data, the left and right side member corresponding parts of the main jig are moved to the left by the control means. The relative position of the front end portion of the side member and the front end portion of the hood ridge member at the front portion of the vehicle body is displayed on the main jig by adjusting the relative position in the front-rear direction with respect to the corresponding portion of the hood ridge member. Steps of fastening the radiator core support member to the hood ridge member corresponding portion and setting it on the main jig, and the radiator core support in which the actual mounting posture at the front of the vehicle body is revealed by the main jig. The front end of the automobile according to claim 4, further comprising the step of: fastening and fixing the lamp unit held by the lamp holding jig to the member while maintaining a predetermined mounting posture on the member. Module assembly method. 6. The lamp mounting jig has left and right hood ridge member corresponding portions corresponding to the hood ridge member front end portion in the actual vehicle front portion, and front end positions corresponding to the hood ridge member corresponding to side member front end portions. Main jig having a side member corresponding portion set at a design front end position which is a regular front end position of the side member of the vehicle body with respect to the head portion, and a headlamp unit attached to the main jig, and a mounting position thereof. And a lamp holding jig for fastening and fixing the head lamp unit to the lamp mounting portion of the radiator core support member, and mounting the head lamp unit on the radiator core support member. However, by using the lamp mounting jig, the radiator core support member is compatible with the hood ridge member. The hood ridge member corresponding part and the side member corresponding part, and fix it to the main jig and set it on the radiator core support member design. By detecting the process of displaying the proper mounting posture and the front end positions of the left and right side members with respect to the front end parts of the left and right hood ridge members in the front part of the actual vehicle body,
Based on the result of this detection, the mounting posture of the headlamp unit held by the lamp holding jig is adjusted by the control means, and the headlamp unit is moved in a state in which the accuracy variation of the actual front side member front end position is absorbed. 5. The method of assembling a front end module of an automobile according to claim 4, further comprising: fastening and fixing to a lamp mounting portion of a radiator core support member set on the main jig.