JPS63103770A - Automobile body structure - Google Patents

Abstract

PURPOSE:To facilitate the automation of the installation of various arts into an engine room by dividedly forming an engine compartment including the front wall and right and left side walls of said engine room in the front part of an automobile body and said automobile body, and joining both via a connecting part. CONSTITUTION:The captioned automobile body is divided into an engine compartment 7 in the front side part and an automobile body 8, which is further divided into an upper body 9 and a lower body 10 by means of a door waist line W.L. The engine compartment 7 has a sub-frame 11 of a parallel-crosses structure and partition walls 24 forming the right and left side walls of an engine room 6 are installed on both sides of the sub-frame 11. A connecting part 29 which extends in the longitudinal direction of the body is fixed to the rear end upper part of each of the partition walls 24, and connecting parts 38 are provided on both sides on the upper part of the dash part 36 of the lower body 10. And, a guide plate 32 is extendedly provided on the lower face of one of the connecting parts 29, to restrain the longitudinal position of the connecting parts 38 at the time of assembling the automobile body.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to the structure of an automobile body, and particularly to the structure of the front part of the vehicle body.

BACKGROUND ART As a conventional car body structure, the structure shown in Fig. 5 has been proposed (see Japanese Patent Laid-Open No. 61-92965).
. That is, the vehicle body 1 is composed of an upper body 2 and a lower body 3, and the lower body 3 has a structure in which a cabin 4 and an engine room 5 are integrally molded. In this configuration, after the upper body 2 and the lower body 3 are welded and assembled in separate processes, the bodies 2 and 3 are joined together through an interior finishing and sacrificial fitting process. Therefore, in the interior decoration and repair process, there are no restrictions on what can be brought into the cabin, and the automation of the work inside the cabin can be promoted using robots.

Problems to be Solved by the Invention However, in the above structure, the engine room 5 formed in the lower body 3 still has a partition wall 5 on the west side.
It has a structure surrounded by m, 5b, 5c, and 5d. In the assembly work in the engine room 5 where various rounded functional parts are concentrated, the movement of the robot arm during automation is greatly restricted, which not only complicates the operation control of the robot. In some cases, the robot arm was unable to reach the target, making it difficult to automate the work.

The present invention has been developed in light of these conventional problems, and it is possible to automate the assembly of various parts into the engine compartment by molding the engine compartment at the front of the vehicle body into multiple parts from the vehicle body itself. An object of the present invention is to provide a vehicle body structure for an automobile that makes it possible to easily automate the connection of the vehicle body and the engine compartment.

Rounding Means to Solve the Problems In order to solve the above-mentioned problems, in the present invention, the engine compartment at the front of the vehicle body, including the front wall of the engine room and the left and right walls, is molded into multiple parts from the vehicle body body.
Connecting portions are provided opposite to the partition wall members forming the left and right side walls of the engine compartment and the dash portion of the vehicle body, and one connecting portion regulates the vertical position and vehicle width direction position of the other connecting portion. At the same time, a stopper portion is provided on the other connecting portion to restrict the position of one connecting portion in the front-rear direction, and both connecting portions are joined and fastened along the guide grate.

Effect In the above configuration, the engine compartment is divided into multiple parts from the vehicle body and includes the front wall and left and right side walls of the engine compartment, so that the engine compartment is open not only on the upper side but also on the rear side. . Therefore, it is possible to automatically assemble various functional parts within the engine room by effectively utilizing the open upper and rear sides. Also, when connecting this engine compartment to the vehicle body,
The vertical and vehicle width direction positions of the other connecting portion are regulated by the guide plate, and the longitudinal positions of the one connecting portion are regulated by the stopper portion.

Therefore, the two connecting portions are positioned relative to each other in each direction of the upper and lower widths, and are accurately joined and fastened.

EXAMPLE An example of the present invention will be described below with reference to the drawings. That is, as shown in FIG. 2, the vehicle body according to the non-embodiment is divided into an engine compartment 7 at the front side and a vehicle body main body 8, and the vehicle body main body 8 is a portion further above the door waist line W-L. It is divided into an upper body 9 and a lower lower body 10. As shown in FIG. 1, the engine compartment 7 has a subframe 11 that constitutes a bottom frame member of the engine compartment 6, and the subframe 11 has a widthwise member 12°13.1.
4 and longitudinal members 15, 16, 17, and 18 in a cross-shaped configuration. Front vehicle width direction member 1
2, pillars 19 and 19 are erected, and a radiator 20 is arranged near one of the pillars 19. This Saab 7 frame 11 is equipped with an upwardly tilted engine 21 via an engine mounting 22).
Furthermore, a radiator core support panel 23 that constitutes a side wall of the engine room 6 O@iJ is attached to the front side of the subframe 11. Also, on both sides of the subframe 110, partition wall members 24.24 forming the left and right side walls of the engine room 6 are layered.
4 consists of a side member 25 whose front end is fixed to the upper end of the support column 19 and whose rear end is fixed to the longitudinal member 17.18, and a 7-dredge panel 2B attached to the outside 1111 of the sinid member 25. m has been completed. The bulkhead members 24,24 each include an engine mounting 2.
7.28 is connected to engine 21, and 7.
A connecting portion 29 extending in the longitudinal direction of the vehicle body is fixed to the upper rear end of the outer surface of the ledger panel 26 . The connecting part 2
A slanted abutment surface 30 is formed on the outer surface of 9, and the rear end side is displaced toward 7- storage panel 2B, and a plurality of through holes 31 are formed in the abutment surface 30. Further, a guide plate 32 is extended on the lower surface of the connecting portion 29, and the guide plate 32 has a horizontal guide surface 33 extending in the horizontal direction below the contact surface 30, and the horizontal guide surface 3.
The vertical guide surface 34 is formed upright on the end edge of 3, and the rear end of both guide surfaces 33.340 is shown in FIG.
As clearly shown in , a bent portion 35 that hangs down in a curved manner is formed. On the other hand, the needle part 3 of the lower body 10
On both sides of the upper part of the vehicle, a connecting portion 38 extends in the front-rear direction at a portion facing the connecting portion 29 of the engine compartment/door, that is, at the upper end of the front pillar lower 37. As clearly shown in FIG. 4 (8), an oblique contact surface 39 is formed on the inner surface of the connecting portion 38 and has an angle that allows it to contact the contact surface 30. Also, a plurality of through holes 40 are formed. A tapered surface 41 is formed at the lower end of the connecting portion 38, and the contact surface 3
．． A stopper portion 42 is provided at the base end portion of 9.

In such a structure, the engine conversion member) 7
For example, in Suline, each member is assembled on the subframe 11 as described above, and furthermore, the front strut and various other functional parts around the engine 21 are assembled. At this time, by assembling the various functional parts before assembling the two radiator core support panels 23 and both bulkhead members 24, 24t, it is possible to assemble them from any direction on the subframe 11 which is open all around. In addition, since the engine room 6 is open not only on the upper side but also on the rear side, even if various functional parts are assembled later, the two radiator core support panels 23 and both bulkhead members 24 and 24 can be assembled later. This open space can be utilized for assembly. Therefore, when assembling parts into the engine room 6, the freedom of movement of the robot arm is ensured, the operation of the robot is easily controlled, and the assembly work within the engine room 8 can be easily automated. After the parts assembly work into the engine room 8 is completed, the lower body 10 is transferred and brought close to the rear end of the engine compartment 7. Then the third
As shown in FIGS. (8) and (8), after the tapered surface 4-1 of the lower body 10 side connecting portion 38 rides up on the bending portion 35, the lower surface 38si of the connecting portion 38 and the ladder horizontal guide surface 33
Then, the outer @ surfaces 38b are in sliding contact with the vertical guide surfaces 34, respectively.

Therefore, the lower body 101111I stray portion 38 is regulated in its position in the vertical direction (two directions) by the horizontal guide surface 33, and in the vehicle width direction (X
direction) position is regulated. Further, when the lower body 1 side connecting portion 38 is brought into sliding contact along the guide grate 32, as shown in FIG.
m comes into contact with the stopper part 42, and the front and back direction (Y direction)
Location is regulated. Therefore, both connecting parts 29.38 are
The two teeth are positioned vertically and longitudinally (z, x, y directions) with respect to each other, and as shown in Fig. 30.39 of the fourth prisoner), Through hole 31.4
By inserting the bolt 43 into the hole and screwing the nut 44, both the connecting portions 29 and 38 are fastened and fixed. Therefore, both connecting portions 29 and 38 can be adjusted without any particular adjustment work.
The lower body 10 side connecting portion 38 is slid along the guide plate 32, which is an operation that can be easily performed using a robot, to achieve precise alignment, and from the assembly operation in the carrot room 6 to the engine compartment 7.
This makes it possible to completely automate the connection of the lower body 10 and the lower body 10.

In addition, in the illustrated example, the guide plate 32 is provided on the engine compartment 7 side connecting portion 29, and the stopper portion 42 is provided on the lower body 10 side connecting portion 38, but this may also be configured in the opposite manner. It is possible.

DETAILED DESCRIPTION OF THE INVENTION As described above, the present invention involves separately molding the engine compartment at the front of the vehicle body, including the front wall and left and right side walls of the engine compartment, and the vehicle body body, and connecting the engine compartment and the vehicle body body through a connecting portion. Since the robot arm can be connected to the inside of the engine compartment with not only the upper side but also the rear side open, it is possible to attach parts ffi into the engine compartment, thereby ensuring the freedom of movement of the robot arm. The assembly work inside the engine room can be automated. In addition, since the positions of both the connecting parts are regulated relative to each other, up and down, and around 2 vehicle widths,
It is possible to ensure the integrity of the engine compartment and the vehicle body by a simple operation that can be easily performed using a robot without requiring any particular position adjustment work. This makes it possible to fully automate the work of joining the vehicle body itself.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing one embodiment of the present invention, and FIG. 2 is a perspective view showing an embodiment of the present invention.
A conceptual diagram of the vehicle body according to the same example, Fig. 3 (5) is a plan view showing the state in the middle of connection of the connection part, 3rd appearance) is the same side view, 4th place is the connection of the connection part FIG. 4(B) is a plan view showing the subsequent state, FIG. 4(B) is a side view of the same, and FIG. 5 is a perspective view showing the conventional method of assembling the vehicle body. 6...Engine room, 7...Engine co/bar)ment, 8...Vehicle main body, 24...@wall member, 29° 38...Connection part, 32...Guide plate, 3B.
...Dash t1 42'...Stopper part. Figure 2 Figure 3 (A)

Claims (1)

[Claims] (1) The engine compartment at the front of the vehicle body, including the front wall and left and right side walls of the engine room, is molded separately from the vehicle body, and connected to the partition wall member that constitutes the left and right side walls of the engine compartment and the dash portion of the vehicle body. A guide plate that regulates the vertical position and the vehicle width direction position of the other connecting part is attached to one connecting part, and a guide plate that regulates the longitudinal position of one connecting part is attached to the other connecting part. A vehicle body structure for an automobile, characterized in that a restricting stopper portion is provided, and both connecting portions are joined and fastened along the guide plate.