JPH0463643A - Cover member automatic fitting method for vehicle - Google Patents

Abstract

PURPOSE:To prevent the displacement between a cover member and a vehicle body and precisely fit it by correcting and setting two positioning means of the cover member in response to the carry-in position of the vehicle body, carrying the cover member into the opening section of the vehicle body in a closed attitude, and positioning and fastening it to the vehicle body with two positioning means. CONSTITUTION:After a bonnet l is set to the correcting station B in the closed attitude by a robot 30 and the holding position is detected, the bonnet l is carried into the fitting position of a vehicle body 5 in the closed attitude based on the teaching data, the image signal from a CCD camera 31, and image signals from CCD cameras 55, 56. A positioning pin 50 is positioned by a rotary arm 61, and a positioning head 52 is set to the vehicle body 5. When the bonnet l is carried into the fitting position by the robot 30, the right side section of the bonnet 1 is guided by the positioning head 52, the positioning pin 50 is coupled with the reference hole 14a of the bonnet l, and one point of the bonnet l is precisely positioned to the vehicle body 5 and fastened to the vehicle body 5.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an automatic vehicle lid member mounting device, and particularly to a mounting method for automatically positioning and automatically mounting a lid member such as a bonnet or trunk lid at a predetermined position on a vehicle body. .

(Prior Art) Generally, lid members such as trunk lids and bonnets are attached to the car body assembled in the floor main process and main body assembly process in the metal line process where metal parts such as doors and front fenders are attached. It has become.

Normally, the above-mentioned lid member is manufactured by manually placing the lid member in the installation position of the opening of the vehicle body, and fastening the hinge member assembled at a predetermined position of the lid member to a predetermined position on the vehicle body side using bolts. However, since the weight of lid members such as bonnets is relatively large, the work of attaching them to the vehicle body is very complicated.

Therefore, recently various devices have been developed to automate the bonnet installation work.
According to Publication No. 99272, the position of the hinge attachment part is accurately detected by measuring a reference point provided on the vehicle body, and based on this detection data, the bonnet held via a suction pad or the like is held in the open position of the vehicle body. A bonnet mounting robot has been disclosed that is carried into a predetermined position, positions and attaches a hinge member that has been previously assembled to the hood to a hinge mounting portion on the vehicle body side.

This bonnet mounting robot is designed to carry the bonnet into a predetermined position on the vehicle body in an open position, and the hinge member assembled to the bonnet is also placed in the open position due to its own weight, that is, the hinge mounting portion on the vehicle body side. is held in a seated position. Therefore, the hinge can be easily seated in the hinge mounting position by moving the bonnet downward without switching the hinge member to the seated position.

(Problem to be Solved by the Invention) By the way, in the above-mentioned bonnet mounting robot, the bonnet is carried into a predetermined position on the vehicle body in an open position, so after the hinge members are fastened with bolts, the bonnet is removed. When set in the closed position, the bonnet may not be held in the correct position due to manufacturing errors in the hinge members or installation errors of the hinge members on the bonnet and the vehicle body, and the gaps between the sides of the bonnet and the left and right fender panels may become large. It may become uneven and spoil the appearance of the car,
In extreme cases, the sides of the bonnet may interfere with the fender panel, making it impossible to close the bonnet.

SUMMARY OF THE INVENTION Therefore, when a cover member such as a bonnet or a trunk lid is attached to an opening of an automobile, the present invention reliably prevents the position of the vehicle body from shifting when the cover member is closed, and ensures that the cover member is placed in a predetermined position on the vehicle body with high accuracy. The purpose is to provide an automatic mounting method that can be mounted.

(Means for Solving the Problems) In order to solve the above problems, the present invention is characterized by the following configuration.

First, the invention according to the first claim of the present application (hereinafter referred to as the first invention) provides a method for automatically attaching a cover member to an automobile body by positioning the cover member to an opening of a vehicle body. a first step of correcting and setting a first positioning means that fits into the fitted fitting portion and a second positioning means that abuts another predetermined position of the lid member according to the vehicle body loading position; The first
a second step of transporting the lid member in a closed position into the vehicle body opening via a transfer means operated by the drive means and positioning it with respect to the vehicle body by the first and second positioning means; a third step of fastening the side of the lid member on the side where the fastening means is disposed to the vehicle body via the first fastening means operated by the second driving means provided on the other side;
a fourth step of fastening the side portion of the lid member on the side where the fastening means is disposed to the vehicle body via a second fastening means operated by the first driving means provided on one side of the conveyance path; It is characterized by what it did.

Further, the invention according to the second claim of the present application (hereinafter referred to as the second invention) is characterized in that, in the first invention, the second positioning means is operated by the second driving means.

Furthermore, the invention according to the third claim of the present application (hereinafter referred to as the third invention) is such that in the first invention, the second positioning means is provided in the second driving means, and the first fastening means and the second
The present invention is characterized in that after the side portion of the lid member is fastened to the vehicle body by the fastening device, the positioning of the lid member relative to the vehicle body by the first positioning device is released.

Furthermore, the invention according to the fourth claim of the present application (hereinafter referred to as the fourth invention) provides a method for automatically attaching a lid member for an automobile similar to the first invention, which includes a fitting portion provided at a predetermined position of the lid member. a first step of correcting and setting a first positioning means that fits into the lid member and a second positioning means that abuts on another predetermined position of the lid member according to the vehicle body loading position; The lid member is carried into the vehicle body opening in a closed position via a transfer means operated by a first drive means provided on the side, and the lid member is positioned with respect to the vehicle body by the first and second positioning means. In a second step, after that, the side of the security member on the side where the fastening means is disposed is fastened to the vehicle body via the first fastening means operated by the second driving means provided on the other side of the conveyance path. a third step, and a second step provided on one side of the conveyance path and operated by the first drive means.
a fourth step of fastening the side portion of the lid member on the side where the fastening means is disposed to the vehicle body using the fastening means;
It is characterized in that the first positioning means is operated by the second driving means.

Furthermore, the invention according to claim 5 of the present application (hereinafter referred to as the fifth invention) is the fourth invention, wherein the first positioning means is provided in the second drive means, and the first positioning means is provided with the second drive means. The present invention is characterized in that the positioning of the lid member relative to the vehicle body is released when the lid member is fastened by the first fastening means, and the lid member is positioned relative to the vehicle body again when the lid member is fastened by the second fastening means.

(Function) According to the first invention, in the first step, the first positioning means fits into the fitting portion provided at a predetermined position of the lid member;
After the second position first determining means that abuts on another predetermined position of the lid member is corrected and set according to the vehicle body loading position, a second position determining means that abuts on another predetermined position of the lid member is set. 1
The lid member is carried into the vehicle body opening in a closed position via a transfer means operated by the drive means, and is positioned relative to the vehicle body by the first and second positioning means. Then the third
In the step, one side of the lid member is fastened to the vehicle body via the first fastening means operated by the second drive means provided on the other side of the transport path, and then in the fourth step, the transport The other side of the lid member is fastened to the vehicle body via the second fastening means operated by the first driving means provided on one side of the path.

As mentioned above, since the lid member is accurately positioned and attached to the vehicle body in the closed position, there may be manufacturing errors in the hinge member that connects the lid member and the vehicle body, and there may be errors in the installation of the hinge member to the lid member. The lid member can be accurately set in the closed state without being affected by the

Further, according to the second invention, since the second positioning means is operated by the second driving means, there is no need for a dedicated driving means for operating the second positioning means, and the lid member is attached to the vehicle body. The entire attachment device is more simply constructed.

Furthermore, according to the third invention, since the second positioning means is provided in the second drive means, a dedicated drive means for operating the second positioning means is not required, as in the second invention. Therefore, the entire device for attaching the lid member to the vehicle body is configured more simply, and after the both sides of the lid member are fastened to the vehicle body by the first fastening means and the second fastening means, the first positioning means The positioning of the lid member with respect to the vehicle body by the above-described method is released, thereby reliably preventing positional shift during installation, and allowing the lid member to be installed with higher accuracy.

Furthermore, according to the fourth invention, as in the first invention, since the lid member is accurately positioned relative to the vehicle body in the closed position and attached to the vehicle body, the hinge member that connects the lid member and the vehicle body is manufactured. The attachment of the hinge member to the lid member is not affected by errors or errors, and the lid member can be set in the closed state with high precision.
By being operated by the driving means, there is no need for a dedicated driving means for operating the first positioning means,
The entire device for attaching the lid member to the vehicle body can be configured more simply.

Furthermore, according to the fifth invention, the first positioning means is the second positioning means.
By being provided in the drive means, there is no need for a dedicated drive means for operating the first positioning means,
The entire device for attaching the lid member to the vehicle body can be configured more simply, and the first positioning means releases the positioning of the lid member relative to the vehicle body when the first fastening means is fastened, and the second fastening means Since the lid member is repositioned with respect to the vehicle body when the lid member is fastened, positional displacement during installation is reliably prevented and the lid member can be installed with higher accuracy.

(Example) Embodiments of the present invention will be described below based on the drawings.

First, a description will be given of a mounting device for mounting a front-opening type bonnet to a vehicle body using the automatic vehicle lid member mounting method according to the present invention, as shown in Fig. 1.2.
The bonnet 1 is attached to the transport rail 3 along with the trunk lid 2.
The hood is carried into the mounting station A in a suspended state by the hanger 4 that is conveyed along the hood, and the hood is positioned at the mounting station A by a shuttle conveyor (not shown) by a bonnet mounting device provided at the mounting station A. It is positioned and attached to the front opening 20 of the vehicle body 5.

As shown in FIGS. 3 to 5, the bonnet 1 is basically composed of an outer panel 10, an inner panel 11, and a reinforcing panel 12. The lower part of the bonnet 1 is formed by both the panels 10 and 11, which have a closed cross-sectional shape. A reinforcing frame 13 is formed, and a pair of reference holes 14 are formed in the inner panel 11.
a, 14b are formed. Further, a pair of left and right hinge members 15.15 is fixed to the side wall portion of the reinforcing frame 13 near the rear end of the bonnet 1.
．． Hinge brackets 17.17 are rotatably connected to the rear ends of the outer panels 15 through hinge bins 16.16, and the hinge brackets 17.17 are connected to the outer panel 1.
0, and a pair of front and rear bolt insertion holes 18, 18 are formed.

At the front of the vehicle body 5, as shown in FIG. 1.2, a pair of left and right front fender aprons 21 extending in the longitudinal direction
．． 21 are provided and these fenders 110221.2
An engine room 22 is formed between the opening 2o of the engine room 22, and reference holes 23.
24 are formed respectively, and a pair of front and rear hinge mounting holes 25, 25 are formed at the rear ends of the earthen walls of the left and right fender aprons 21.
．． Nuts 26 and 26 (see Fig. 4) are fixed to the lower surface of the earthen wall portion of the fender apron 21 corresponding to the radiator support 2 at the front end of the vehicle body 5.
An opening 29 that connects to the engine room 22 is formed between the front cross member 7 and the front cross member 28 .

The above-mentioned bonnet mounting device basically includes a transfer device that transports the bonnet 1 from which four hangers have been taken out in a closed position to the mounting position at the front of the vehicle body 5, and a transport device that transports the bonnet 1 that has been carried in to the mounting position at the front of the vehicle body 5 based on the reference holes 23 and 24. It consists of a positioning device that accurately positions the mounting position of the vehicle body 5, and a fastening device that fastens the positioned hinge bracket 17, 17 of the bonnet 1 to the hinge mounting portion of the vehicle body 5.

The transfer device includes a first transfer device that holds and transfers the bonnet 1.
0 bot 30 and two CCDs that detect the reference holes 13a and 13b of the bonnet l held by the 10th bot 30.
Camera 31.31, preset teaching data, output from CCD camera 31.31, and CC described later
10th bot 30 based on the output from D55.56
The first control unit 32 controls the operation of the first control unit 32.

The tenth robot 30 is a six-axis articulated robot, and as shown in FIGS. A frame body 34 is provided in the section, and the bonnet 1 is attached to the frame body 34.
A vacuum-type suction device 36 having four suction pads 35 for holding is provided.

The CCD camera 31.31 has a conventionally known configuration, and as shown in FIG.
The reference holes 14a and 14b formed in the inner panel 11 of the bonnet 1 output image signals to the control unit 32, respectively. In addition, the rear of correction station B has left and right sides.
A pair of supports is provided with plates 39,39 via supports 40,40, and when the bonnet 1 is set in the correction station B in the closed position, the plates 39,39 allow the hinge brackets 17,17 to It is designed to be rotated to the closed position. Furthermore, a pair of left and right electromagnets 41.41 are provided at the rear end of the frame 34 to hold the hinge bracket 17.17 rotated to the closed position.
is carried into the mounting position of the vehicle body 5 with its hinge bracket 17.17 held in the closed position.

The control unit 32 is mainly composed of a computer, and also includes an image processing device and the like that processes image signals from the CCD cameras 31 and 31 to detect positions in the reference holes 14a and 14b. The tenth bot 30 is controlled by the control signal from the bonnet 1, and the bonnet 1, which has been carried in and positioned at a predetermined position above the vehicle body 6 by the hanger 4, is sucked by the suction pad 35 and taken out from the hanger 4, and then moved to the correction stage gin B. The output from the two CCD cameras 31 and 31, the teaching data, and the CCD camera 5 described later are transferred to the correction station B and set in a closed state at a predetermined position in the correction station B.
5.56 and the opening 20 of the vehicle body 5 based on the output from
is carried into the mounting position with high accuracy.

The above-mentioned positioning device is for positioning the bonnet 1 carried into the mounting position with respect to the vehicle body 5 with higher precision, and is a first positioning device equipped with a positioning pin 50 that fits into the reference holes 14a and 14b of the bonnet 1. a second positioning robot 53 equipped with a positioning head 52 capable of locking the bonnet 1 from one side thereof, and a vehicle body 6.
Two CCD cameras 55.56 each detect a pair of reference holes 23.24 formed on one side, and upper & ICCD cameras 55.56 and 55.56 detect preset teaching data.
56, the first and second positioning robots 5). A control unit 57 for controlling the operation of 53 is provided.

The first positioning robot 5) is a four-axis articulated robot, and is attached to one side (the first
As shown in FIG. 8.9, the tip of the hand 60 has a rotating shaft 6 facing vertically
A rotation arm 61 which is abbreviated in plan view and rotates approximately horizontally about 0a is provided, and a support rod 62 extending upward is provided at the tip of the rotation arm 61.
A support plate 63 that supports the bonnet l carried into the mounting position from below is fixed to the upper end of the bonnet 2 in a downwardly tilted state, and the reference hole 14a of the bonnet 1 carried into the mounting position A positioning pin 50 for fitting and positioning one point of the bonnet 1 on the vehicle body is fixed on the upwardly protruding portion. The positioning bin 5° is inserted into the engine compartment 22 from the opening 29 at the front end of the vehicle body 6 by rotating the rotating arm 61, and is moved upward in this state to remove it from the engine compartment 22. It is set at a predetermined position on the right side of the engine room 22 so as to protrude a predetermined distance.

The second positioning robot 53 is placed behind the first positioning robot 5), and as shown in FIG. 10.11,
A movable base 66 is provided on the base frame 65 and is moved in the left and right direction by a servo motor (not shown).
A movable plate 69 is provided on the rear side of the movable base 66 and is moved up and down along a guide rail 68 by a cylinder 67.
A support plate 7 extending rearward is provided on the rear end surface of the movable plate 69.
0 is fixed. A support plate 71 extending substantially horizontally toward the vehicle body 6 is fixed to the front part of the support plate 70, and the left end of the support plate 71 has an inclined surface that guides the right end of the bonnet 1 in the vehicle width direction. A positioning head 52 having a guide surface 52a is fixed to the positioning head 52.
2 is set at a predetermined position above the rear of the right fender apron 21 by a servo motor and a cylinder 67.

The above CCD cameras 55 and 56 are the above-mentioned CCD cameras 31
．． 31, and as shown in Figure 1.10,
One CCD camera 56 is connected to the second positioning robot 53.
Air cylinder 8 provided at the rear of support plate 70 of
5, and the other CCD camera 55 is supported so as to be movable in the left-right direction via an air cylinder 87 at the upper end of a support frame 86 erected on the work floor. , these CCD cameras 55.56
outputs an image signal including a pair of front and rear reference holes 23 and 24 formed in the earthen wall of the fender apron 21 to the control unit 57.

The control unit 57 is mainly composed of a computer, and the CCD cameras 55 and 56
The control unit 57 is equipped with an image processing device and the like that detects the position of the reference hole 23, 24 by processing image signals from the positioning robot 5). 53 to accurately position the positioning bin 50 and the positioning head 52 with respect to the vehicle body 5, the right end of the bonnet 1 is brought into contact with the positioning head 52, and the positioning bin 50 and the positioning head 52 position the vehicle body. 5, it is designed to be positioned accurately at the mounting position.

The above-mentioned fastening device is for fastening the hinge bracket 17.17 of the bonnet 1 carried into the mounting position to the vehicle body 5, and as shown in FIGS. 1, 6, 7, 12, and 13, A bolt runner 90 is provided on the frame 34 provided on the hand 33 of the tenth bottle 30, and on the opposite side of the mounting station A, there is a six-axis shaft having the same configuration as the tenth bottle 30 for transferring the trunk lid 2. A 20th bot 91 is provided, and a hand 92 of the 20th bot 91 is provided.
A frame body 93 is provided at the tip of the frame body 93, and a bolt runner 94 is provided on the frame body 93.

Note that, like the tenth bot 30, this 20th bot 91 also receives image signals from the CCD cameras 55 and 56, and is controlled by the control unit 95 based on preset teaching data. It has become.

As shown in FIG. 12.13, the bolt runner 90.94 includes a head portion 96 that holds the bolt 19, a drive mechanism 97 that rotationally drives the head portion 96, and a
It has a general configuration including a positioning mechanism 98 and the like for positioning it at a predetermined rotational position. This bolt runner 90.94 has a hinge bracket 17.
17 to the vehicle body 5, the hinge bracket 1
Cylinder 100, guide rod 101 and pressing plate 102 for pressing 7.17 against fender apron 21
A pressing mechanism 103 is provided.

Next, the operation of this embodiment will be explained.

First, when the bonnet 1 is carried in and positioned at a predetermined position above the vehicle body 5 by the hanger 4, the bonnet 1 is taken out from the hanger 4 by the tenth bot 30, set at a predetermined position in the correction station B in a closed position, and then sucked. bad 35
After the holding position of the bonnet 1 is detected by 35, the bonnet 1 is moved to the mounting position of the vehicle body 5 based on the teaching data, the image signal from the CCD camera 31.31, and the image signal from the CCD camera 55.56. It is transported with high accuracy in a closed position. In addition, the above correction station B
Now, the hinge bracket 17.17 is switched to the closed position by the pressure receiving plate 39, and is held in the closed position by the electromagnet 41.41 provided on the frame 34, so the bonnet 1 is moved to the mounting position. The hinge brackets 17, 17 do not damage the vehicle body 5 during transport.

On the other hand, when the vehicle body 5 is carried into the predetermined position of the mounting station A, the positioning robot 5). 53 is controlled based on teaching data and image signals from CCD cameras 55 and 56, and the first positioning robot 5) rotates the rotary arm 61 to move the positioning bin 50 from the opening 29 at the front of the vehicle body 6 to the engine. The positioning pin 50 is inserted into the room 22, and the positioning pin 50 is precisely positioned and set to the vehicle body 5, and the positioning head 52 is precisely set to the vehicle body 5 by the second positioning robot 53. When the bonnet 1 is carried into the mounting position by the tenth bot 30, the right side of the bonnet 1 is guided in the vehicle width direction by the guide surface 52a of the positioning head 52, and is accurately positioned at the mounting position. Furthermore, the positioning pin 50 is inserted into the reference hole 1 of the bonnet 1.
4a, thereby positioning one point of the bonnet 1 on the vehicle body 6 with high accuracy.

Next, the bolt runner 94 provided on the hand 92 of the 20th bot 91 fastens the right hinge bracket 17 of the bonnet 1 to the vehicle body 5 while being pressed against the fender apron 21, and then the hand of the 10th bot 30 33, the left hinge bracket 17 of the bonnet 1 is fastened to the vehicle body 5 while being pressed against the fender apron 21.
The bonnet 1 will be attached to the vehicle body 5.

As described above, the first and second positioning robots 5). 53
Since the bonnet 1 is accurately positioned and attached to the vehicle body 5 in a closed position, the hinge bracket 1717 and the hinge member 16.1
The bonnet 1 can be installed in the normal closed position without being affected by the production error of 6 or the assembly of the hinge bracket 17.17 to the bonnet 1. 21.2
By accurately attaching the bonnet 1 to the vehicle body 5, the gap between the bonnet 1 and the left and right fender panels in the closed state can be made uniform.

Moreover, since the bonnet 1 is positioned on the vehicle body 5 via the positioning pin 50 and the positioning head 52, which are positioned with high accuracy with respect to the vehicle body 5, the accuracy of attachment to the vehicle body 5 is further improved.

Furthermore, since the hinge bracket 17.17 is carried into the mounting position in a closed position, it is possible to reliably prevent the hinge bracket 17.17 from inadvertently damaging the vehicle body 5.

In addition, as shown in Fig. 14.15, the 20th bot 91
A positioning head member 52' is integrally attached to a frame 93 at the tip of a hand 92 (see Fig. 1.2), and the head 52' is configured to be operated by the 20th bottom 91. In this case, the positioning pin 50 that engages with the reference hole 14a of the bonnet 1 is released from positioning after the hinge brackets 17.17 on both sides of the bonnet 1 are fastened by the bolt runners 90.94. . According to this, there is no need for a dedicated drive means for operating the positioning head 52', and the entire device for attaching the bonnet 1 to the vehicle body is configured more simply. After both sides of the bonnet 1 are fastened to the vehicle body 5, the positioning of the bonnet 1 relative to the vehicle body 5 by the positioning pins 50 is released, thereby reliably preventing misalignment of the bonnet 1 during installation. It can be installed more precisely.

Furthermore, as shown in FIG. 16.17, the 20th bot 91
Frame 93 at the tip of the hand 92 (see Figures 1 and 2)
At the same time, the positioning bin 50' is integrally attached to the
The positioning pin 50' may be configured to be operated by the twentieth bot 91. In this case, the positioning pin 50'
' releases the positioning with respect to the vehicle body when the bonnet 1 is fastened by the bolt runner 94, and the bolt runner 9
When the bonnet 1 is fastened by the method 0, the reference hole 14□a of the bonnet 1 is positioned with respect to the vehicle body 5 again. According to this, since the positioning pin 50' is operated by the 20th bot 91, there is no need for a dedicated drive means for operating the positioning pin 50', and the bonnet 1 is attached to the vehicle body 5. In addition, the positioning bin 50' releases the positioning of the bonnet 1 with respect to the vehicle body 5 when the bolt runner 94 is fastened, and the bonnet 1 is repositioned to the vehicle body 5 when the bolt runner 90 is fastened. Since the hood is positioned relative to the bonnet 1, positional displacement during installation is reliably prevented, and the bonnet 1 can be installed more accurately than the bonnet 1.

In this embodiment, although the case where the front-opening bonnet 1 is attached to the vehicle body 5 by the attachment method according to the present invention has been described, the present invention can also be applied to the case where, for example, a rear-opening type bonnet is attached. The present invention can also be applied to the case where a lid member such as the trunk lid 2 is attached to a predetermined position on the vehicle body 5.

(Effect of the invention) As described above, according to the first invention, in the first step,
A first positioning means that fits into a fitting portion provided at a predetermined position of the lid member, and a second positioning means that abuts on another predetermined position of the lid member.
After the positioning means is corrected and set according to the vehicle body transport position, in a second step, the lid member is moved through the transport means operated by the first drive means provided on one side of the vehicle body transport path. It is carried into the vehicle body opening in a closed position and the first
, is positioned relative to the vehicle body by the second positioning means. Thereafter, in a third step, one side of the lid member is fastened to the vehicle body via the first fastening means operated by the second driving means provided on the other side of the conveyance path, and then
In the fourth step, the other side of the lid member is fastened to the vehicle body via the second fastening means operated by the first driving means provided on one side of the conveyance path.

As mentioned above, since the lid member is accurately positioned and attached to the vehicle body in the closed position, there may be manufacturing errors in the hinge member that connects the lid member and the vehicle body, and there may be errors in the installation of the hinge member to the lid member. The lid member can be accurately set in the closed state without being affected by the

Further, according to the second invention, since the second positioning means is operated by the second driving means, there is no need for a dedicated driving means for operating the second positioning means, and the lid member is attached to the vehicle body. The entire attachment device can be configured more simply.

Furthermore, according to the third invention, since the second positioning means is provided in the second drive means, a dedicated drive means for operating the second positioning means is not required, as in the second invention. Therefore, the entire device for attaching the lid member to the vehicle body is configured more simply, and after the both sides of the lid member are fastened to the vehicle body by the first fastening means and the second fastening means, the first positioning means The positioning of the lid member with respect to the vehicle body by the above-described method is released, thereby reliably preventing positional shift during installation, and allowing the lid member to be installed with higher accuracy.

Furthermore, according to the fourth invention, as in the first invention, since the lid member is accurately positioned relative to the vehicle body in the closed position and attached to the vehicle body, the hinge member that connects the lid member and the vehicle body is manufactured. The attachment of the hinge member to the lid member is not affected by errors or errors, and the lid member can be set in the closed state with high precision.
By being operated by the driving means, there is no need for a dedicated driving means for operating the first positioning means,
The entire device for attaching the lid member to the vehicle body can be constructed more simply.

Furthermore, according to the fifth invention, the first positioning means is the second positioning means.
By being provided in the drive means, there is no need for a dedicated drive means for operating the first positioning means,
The entire device for attaching the lid member to the vehicle body can be configured more simply, and the first positioning means releases the positioning of the lid member relative to the vehicle body when fastened by the first fastening means, and the second fastening means releases the positioning of the cover member relative to the vehicle body. Since the lid member is positioned relative to the vehicle body again when the lid member is fastened by the means, displacement during installation is reliably prevented and the lid member can be installed with higher accuracy.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, and Fig. 1 is a plan view of the bonnet mounting device, Fig. 2 is a front view of the bonnet mounting device, Fig. 3 is a perspective view of the bonnet, and Fig. 4 shows the essentials of the bonnet. 5 is a sectional view taken along line V-V in FIG. 4, FIG. 6 is a plan view of the bonnet and frame in the correction station, FIG. 7 is a side view of the same, and FIG. 8 is a sectional view of the rotating arm and 9 is a plan view of the main parts of the vehicle body, FIG. 9 is a cross-sectional view taken along the line - - in FIG. 8, FIG. is a side view of the bolt runner, FIG. 13 is a front view of the bolt runner, FIG. 14 is a schematic plan view showing the configuration of the second and third inventions, FIG. 15 is a side view of the same, and FIG. 16 is a fourth and fifth invention. A schematic plan view showing the configuration of the invention, and FIG. 17 is a side view of the same. 1... Lid member (bonnet), 5... Vehicle body, 14a
... Fitting part (reference hole), 30 ... First drive means (10th bottom), 33.34.35 ... Transfer means (33
... Hand, 34 ... Frame body, 35 ... Suction pad), 50 ... First positioning means (positioning pin), 5
2... second positioning means (positioning head), 90.
...Second fastening means (bolt runner), 91...Second driving means (20th bolt), 94...Second fastening means (
bolt runner). Figure 7 Figure 33

Claims (5)

[Claims] (1) A method for automatically attaching a cover member to an opening of a vehicle body by positioning the cover member, the method comprising: a first positioning means that fits into a fitting portion provided at a predetermined position of the cover member; a first step of correcting and setting a second positioning means that abuts on another predetermined position of the lid member according to the vehicle body loading position; and driving by a first drive means provided on one side of the vehicle body transport path. a second step of transporting the lid member into the vehicle body opening in a closed position via the conveying means, and positioning the lid member with respect to the vehicle body by the first and second positioning means;
After that, a third step of fastening the side portion of the lid member on the side where the fastening means is disposed to the vehicle body via the first fastening means operated by the second driving means provided on the other side of the conveyance path; and a fourth step of fastening the side of the lid member on the side where the fastening means is disposed to the vehicle body by a second fastening means provided on one side of the conveyance path and operated by the first drive means. A method for automatically attaching a cover member to an automobile, characterized in that: (2) The method for automatically attaching a lid member to an automobile according to claim 1, wherein the second positioning means is operated by a second driving means. (3) The second positioning means is provided in the second driving means, and the first positioning means positions the lid member relative to the vehicle body after both sides of the lid member are fastened to the vehicle body by the first fastening means and the second fastening means. 2. A method for automatically attaching a lid member to an automobile according to claim 1, wherein the lid member is released. (4) A method for automatically attaching a cover member to an opening of a vehicle body by positioning the cover member, the method comprising: a first positioning means that fits into a fitting portion provided at a predetermined position of the cover member; a first step of correcting and setting a second positioning means that comes into contact with another predetermined position of the lid member according to the vehicle body loading position; and operation by a first drive means provided on one side of the vehicle body transport path. a second step of transporting the lid member into the vehicle body opening in a closed position via the conveying means, and positioning the lid member with respect to the vehicle body by the first and second positioning means;
After that, a third step of fastening the side portion of the lid member on the side where the fastening means is disposed to the vehicle body via the first fastening means operated by the second driving means provided on the other side of the conveyance path; and a fourth step of fastening the side of the lid member on the side where the fastening means is disposed to the vehicle body by a second fastening means provided on one side of the conveyance path and operated by the first drive means. 1. A method for automatically attaching a lid member to an automobile, characterized in that the first positioning means is operated by the second driving means. (5) The first positioning means is provided in the second driving means, and the first positioning means releases the positioning of the lid member relative to the vehicle body when the lid member is fastened by the first fastening means, and the second fastening means 5. The method of automatically attaching a lid member to an automobile according to claim 4, wherein the lid member is positioned relative to the vehicle body again when the lid member is fastened.