JPH09132164A - Roof outer plate mounting structure of van type vehicle, method thereof, and roof outer plate bending device and fixing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To shorten working time for installing an outer panel onto a roof frame, and for fixing the roof frame on a side frame by folding a peripheral edge protruding from the upper flange of a roof outer panel so as to obtain such a condition as to come into close contact with the back side of the upper flange and fixing it. SOLUTION: A roof frame 1 is formed into a frame body whose web 3 is mounted vertically from an end part deviated to one side of an upper flange 2 and which is constituted of structural angle having a lower flange 4 bent parallel to the upper flange 2 at the lower end of the web 3. A roof outer panel 5 is attached onto the upper flange 2 of the roof frame 1 formed into the frame body through a bonding layer 6 using adhesive tape. The roof outer panel 5 has such a size as to protrude from the peripheral edge of the roof frame 1, and the protruding peripheral edge 7 of the roof outer panel 5 is folded and fixed so as to come into close contact with the back surface of the upper flange 2. It is thus possible to shorten working time for installing the outer panel 5 onto the roof frame 1, and for fixing the roof frame 1 on a side frame 27.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for fixing a roof outer panel of a van-shaped vehicle for loading luggage to a frame-shaped roof frame, and a method for mounting the same.
The present invention also relates to a roof outer plate bending device used at the time of mounting, and a roof outer plate fixing device that suppresses springback generated when bent.

[0002]

2. Description of the Related Art As shown in FIG. 9, a conventional means for attaching a roof outer plate to a roof skeleton is to attach a roof outer plate 5 to an upper flange 2 of a roof skeleton 1 through an adhesive layer 6 and an upper flange 2 as shown in FIG. The peripheral edge of the roof outer plate 5 and the peripheral edge of the roof outer plate 5 are joined so as to be flush with each other, and the two are fixed together by rivets 31. After the roof skeleton 1 is also connected to the side skeleton 27 by the rivets 31. , Roof skin 5 and side frame 2
The seal layer 32 is provided over the interval 7 so as to cover the head of the rivet 31 as well, and is finished in a state where water leakage is prevented.

[0003]

By the way, when the roof outer plate is riveted to the upper flange of the roof skeleton through the adhesive layer, the rivet is scribed at each position and a drill hole is drilled. Depending on the work procedure of driving the rivet there, and since the seal applied after the roof skeleton is joined to the side skeleton needs to cover the head of the rivet, it is necessary to apply it with a thickness equal to or greater than the thickness of the head. In addition, since the seal needs to be widely applied from the position where the rivet is driven to over the seam of the side skeleton, there is a problem that the amount of the sealing material used increases and it takes time to apply. .

The present invention is to solve the above problems, and the working time for attaching the roof skin to the roof skeleton and the time for fixing the roof skeleton provided with the roof skin to the side skeleton are significantly shortened. It is to improve the attachment strength between the roof outer plate and the roof frame.

[0005]

[Means for Solving the Problems] A means for solving the above-mentioned problems is to mount a roof outer plate on an upper flange of a frame-shaped roof skeleton via an adhesive layer and to project a peripheral edge protruding from the upper flange of the roof outer plate. Bend the part in close contact with the back side of the upper flange and fix it.

In order to finish the above structure, the roof outer plate is placed on the upper flange of the frame-shaped roof skeleton via an adhesive layer, and the peripheral edge portions protruding from the upper flange of the roof outer plate are longitudinally spaced. It is preferable to make a cut, and to bend the peripheral edge between the cuts in order to the back side of the upper flange and to fix the folded peripheral edge while suppressing springback.

When finishing the above structure, upper and lower clamps for sandwiching the frame-shaped roof skeleton from above and below with the roof outer plate on the upper flange, and the roof of the roof outer plate provided on both sides of the upper clamp. A cutter that cuts a peripheral edge portion protruding from the skeleton by vertical movement, a first mold that vertically moves and bends the peripheral edge portion between the slits, and a roof outer plate that is bent by the first mold die. It is preferable to use a bending device including a second die that advances its peripheral portion in a direction parallel to the roof outer plate and bends toward the rear surface of the upper flange of the roof skeleton.

Further, when finishing the above-mentioned structure, upper and lower rollers for pressing the roof outer plate abutting the upper flange surface of the frame-shaped roof skeleton and the peripheral edge portion bent to the rear surface of the upper flange are provided on the frame. It is preferable to use a fixing device in which the roller is provided so as to be driven by a motor.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail with reference to an embodiment, as shown in FIG.
The web 3 is hung vertically from one end of the upper flange 2, and the lower end of the web 3 has a lower flange 4 that is bent parallel to the upper flange 2. The roof outer plate 5 is attached to the upper flange 2 of the roof skeleton 1 via an adhesive layer 6 made of an adhesive tape.

Further, the roof outer plate 5 is of a size protruding from the peripheral edge of the roof skeleton 1, and the protruding peripheral edge portion 7 of the roof outer plate 5 is bent and fixed so as to be in close contact with the back surface of the upper flange 2. is there.

Further, when the peripheral edge portion 7 is bent, the length of the long side thereof is as long as 3 m to 9.5 m, and it is not easy to bend the entire length at once. As shown, cuts 8 are formed by cutting the peripheral portion 7 at intervals along the longitudinal direction, and pieces between the cuts 8 are sequentially bent.

As a means for finishing the above structure, as shown in FIGS. 4 to 6, an adhesive layer 6 is attached to the upper flange 2 of the frame-shaped roof skeleton 1, and the roof outer plate 5 is placed thereon. After placing, the notch 8 is made in the peripheral edge portion 7 protruding from the upper flange 2 of the roof outer plate 5, the piece between the notches 8 is first bent at 90 °, and then the back surface of the upper flange 2 is further bent. Bend 90 ° toward you. However, if only the back surface of the upper flange 2 is bent, a springback phenomenon occurs due to the internal stress of the material, and the back surface of the upper flange 2 is not closely contacted. It is finished by applying means.

At the time of finishing as described above, the roof outer plate 5
In addition, the roof outer plate bending device 9 that automatically performs the operation of bending to the notch 8 and the back surface and the roof outer plate fixing device 10 that suppresses springback are used.

As shown in FIG. 7, the roof outer plate bending device 9 is in the form of a press, and the roof frame 1 and roof outer plate 5 to be processed are the roof outer plate 5 and the work board. The roof skeleton 1 is placed (not shown) and the roof skeleton 1 is turned upside down on the roof skeleton 1 to be adhered thereto.

The structure is such that an upper clamp 12 for contacting the lower flange 3 is fixed to the upper part of the frame 11, and a lower clamp 13 for contacting the upper flange 2 on the lower part via the roof outer plate 5 can be vertically moved by the first cylinder 14. Provided on the lower clamp 1
The roof skeleton 1 is clamped by raising 3 but the peripheral edge portion 7 of the roof outer plate 5 clamped together with the roof skeleton 1 is clamped so as to project from the lower clamp 13. Cutters 15 are detachably installed vertically on both ends of the upper clamp 13 so that the cuts 8 are cut at the same time when the pressure is applied as described above, and blades corresponding to the cutter 15 are attached to both ends of the lower clamp 13. is there. Therefore, the lower clamp 13 rises to compress the roof frame 1, and at the same time, the notches 8 are cut into the peripheral edge portion 7 of the roof outer plate 5 by both cutters 15. It is appropriate that the distance between the cuts 8 is about 20 cm. Therefore, the frame 16 has a handle 16 and is of a size that can be carried.

The first die 17 is vertically moved by the second cylinder 18 so that one piece of the peripheral portion 7 between the cuts as described above can be bent 90 ° by the first die 17 rising from below. It is possible. Moreover, a corner surface of the first mold 17 is provided with a rounded surface so that it can be gradually bent to a predetermined angle. As described above, since one piece of the peripheral edge portion 7 is bent from the horizontal state to the upright state and then the one piece is bent into the back surface of the upper flange 2, the second die is lowered after the first die 17 is lowered. Mold 19 to third cylinder 2
It is provided so as to move horizontally by 0, that is, in parallel with the upper flange 2. A corner surface of this second mold 19 is also provided with a rounded surface so that it can be bent gradually. However, even if it is bent by the second mold 19 as described above, the bent portion is not completely folded as described above, and remains in a warped state.

Therefore, the roof outer plate fixing device 10 is used to bring the above-mentioned bent portion into close contact with the back surface of the upper flange 2, and its structure is as shown in FIG. The bearing portions 22 are arranged vertically, and an elastic roller 23 is attached to the tip of the shaft inserted through each bearing portion 22. A motor 24 that is decelerated and can be rotated in the forward and reverse direction is connected to one of the shafts. A handshake 25 is attached to each of the bearing 21 and one of the bearings 22 so as to be orthogonal to each other. Further, the motor 24 is preferably driven by a battery 26 attached to the base 21.

When the roof outer plate fixing device 10 described above is used, the peripheral edge portion 7 of the roof outer plate 5 is bent over the entire length to the back surface of the upper flange 2 as described above, and then the drive side roller 23 is attached. While driving, the front and back of the bent peripheral edge portion 7 are sandwiched between both rollers 23, and by moving while partially reciprocating in the longitudinal direction as it is, spring back is suppressed, and the bent portion of the upper flange 2 is suppressed. It is fixed in close contact with the back surface.

In order to attach the roof outer plate 5 with the roof skeleton finished as described above to the side skeleton 27, as shown in FIG. 1, the side skeleton 27 has an outer wall 28 extending downward from the curved portion. It has two steps 29 and 30 inside, and the lower flange 4 of the roof skeleton 1 attached to the roof outer plate 5 finished as described above is placed on the lower step 30, and both are set with rivets 31. When the roof outer plate 5 is bent, the peripheral edge portion 7 is joined to the upper surface of the upper step portion 29.
Is pressed. Further, a seal layer 32 is provided at a joint between the roof outer plate 5 and the side skeleton 27 to prevent rain leakage. However, as shown in FIG. 1, the seal layer 32 is provided so as to cover the joint on the surface, or the upper step portion 29 of the side skeleton 27 is provided. Alternatively, the sealing agent may be applied and the roof outer plate 5 may be placed thereon.

[0020]

According to the structure for mounting a roof outer plate of a van type vehicle of the present invention, since the peripheral portion of the roof outer plate is bent and attached so as to wrap the upper flange of the roof skeleton, the conventional riveting is carried out. As compared with the one partially fastened by, the mounting strength is strengthened, there is no fear of cracking due to vibration, and the durability is greatly improved.

According to the method of mounting the roof outer panel of the van type vehicle of the present invention, when the peripheral edge of the roof outer panel is bent, a cut is made in the peripheral edge and then the bending is performed, so that the bending operation is facilitated. Even a long roof outer plate can be finished in a uniform state over four circumferences. Moreover, since the bent peripheral edge portion is pressed against the back surface of the upper flange of the roof skeleton, it may be flipped over during the work of attaching the roof outer plate to the side skeleton, and it may hinder other objects. Instead, it will be able to be properly attached to the side skeleton.

According to the roof outer plate bending apparatus for a van type vehicle of the present invention, the roof skeleton with which the roof outer plate is abutted is clamped from above and below, and the peripheral edge of the roof outer plate is cut with a cutter to make a cut. Since the peripheral portion between the cuts is bent by the first mold and then further bent by the second mold, the bending device is sequentially moved along the roof outer plate to bend the entire circumference. Work is done, that work becomes easier,
The construction period will be greatly shortened.

According to the roof outer plate fixing device for a van type vehicle of the present invention, since the rollers sandwiched from above and below, the springback phenomenon of the bent portion can be removed by a simple operation, and the bent portion can be removed during the operation. It becomes possible to hold down in an accurate state without deforming.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a roof outer plate mounting structure of a van type vehicle according to the present invention.

FIG. 2 is a perspective view showing a part of the van type vehicle of the present invention, which is bent by the roof outer plate attaching method.

FIG. 3 is a plan view showing a state in which a cut is made before bending a roof outer plate.

FIG. 4 is a cross-sectional view showing a state in which a peripheral portion of a roof outer plate is bent 90 °.

FIG. 5 is a cross-sectional view showing a state where the peripheral portion of the roof outer plate is further bent by 90 °.

FIG. 6 is a cross-sectional view showing a state where a peripheral edge portion of a roof outer plate is in close contact with a roof skeleton.

FIG. 7 is a side view showing the roof outer panel bending device of the van type vehicle of the present invention.

FIG. 8 is a perspective view showing a roof outer plate fixing device for a van type vehicle of the present invention.

FIG. 9 is a cross-sectional view showing a conventional attachment structure of a roof outer plate and a roof skeleton.

[Explanation of symbols]

 1 Roof Skeleton 2 Upper Flange 5 Roof Outer Plate 6 Adhesive Layer 7 Peripheral Edge 8 Cut 9 Roof Outer Plate Bending Device 10 Roof Outer Plate Fixing Device 11 Frame 12 Upper Clamp 13 Lower Clamp 15 Cutter 17 First Die 19 Second Metal Mold 23 Roller 24 Motor

Claims (4)

[Claims] 1. A roof outer plate (5) is placed on an upper flange (2) of a frame-shaped roof skeleton (1) via an adhesive layer (6), and the roof outer plate (5) is placed on the roof outer plate (5). Flange (2)
A roof outer plate mounting structure for a van type vehicle, characterized in that a more protruding peripheral edge portion (7) is bent and fixed in a state of being in close contact with the back side of the upper flange (2). 2. A roof outer plate (5) is placed on an upper flange (2) of a frame-shaped roof skeleton (1) with an adhesive layer (6) interposed between the roof outer plate (5) and the roof outer plate (5). Flange (2)
The more protruding peripheral edge portion (7) is cut at intervals in the longitudinal direction, and the peripheral edge portion (7) between the cuts (8) is sequentially bent toward the back side of the upper flange (2), and the bent peripheral edge portion (7) is cut. ) The spring outer plate mounting method for van type vehicles is characterized by suppressing and fixing the spring back. 3. Upper and lower clamps (12, 13) for sandwiching a frame-shaped roof skeleton (1) from above and below with a roof outer plate (5) overlaid on its upper flange (2), and Roof panels (5) provided on both sides of the clamp (12)
(15) for cutting the peripheral edge (7) protruding from the roof skeleton (1) by vertical movement, and for bending the peripheral edge (7) between the cutters (15) by vertical movement. One die (17) and its first die (17)
The second mold (19) is characterized in that the peripheral edge portion (7) bent at is advanced in a direction parallel to the roof outer plate (5) and bent toward the rear surface of the upper flange (2). Roof panel bending device for van type cars. 4. A roof outer plate (5) which is in contact with the surface of an upper flange (2) of a frame-shaped roof skeleton (1), and a peripheral edge portion of the frame (11) which is bent on the back surface of the upper flange (2). A roof outer plate fixing device for a van type vehicle, characterized in that both upper and lower rollers (23) that press against (7) are provided so that one roller (23) can be driven by a motor (24).