JPH11240301A - Manufacture of wheel with decoration plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve design performance by bending an outer peripheral edge of a decoration plate over its circumference to the inner side of a rim to form a connection piece, emitting laser from a back side of a wheel to the connection piece through a decoration hole to weld the connection piece of the decoration plate to a portion near a standing portion of a rim flange. SOLUTION: A connection piece 9 is formed on a decoration plate 8 of a wheel 1 by bending an outer peripheral edge of a metal plate to an inner side of a rim 1, so as to be in contact with a portion near a standing portion of a rim flange 3. In attaching the decoration plate 8, laser is irradiated to a welding portion W of the connection piece 9 from a laser nozzle L.N arranged on a front side of the wheel 1 after reflection against a laser mirror M arranged on the back side of the wheel 1, through a decoration hole 6 of a disc 4, in the state that the connection piece 9 is abutted against the portion near the standing portion of the rim flange 3. The connection piece 9 is thus deposited to the portion near the standing portion of the rim flange 3. It is thus possible to eliminate welding prints, and improve quality.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a wheel with a decorative plate in which an annular metal decorative plate is attached to the wheel surface. The purpose is to improve functionality.

[0002]

2. Description of the Related Art Many popular vehicles, including ordinary passenger cars, small trucks, and large trucks and buses, use relatively inexpensive metal wheels and have the ugliness inherent to metal plates. Fill the recess formed between the rim flange and the disc on the wheel surface with a resin material such as urethane, or cover the outer peripheral edge of the annular metal decorative plate to improve the design by concealing. In many cases, the rim is welded to the vicinity of the rim flange or folded back to provide elasticity, and this portion is pressed against the inner peripheral surface of the rim and attached.

[0003]

In each of the above cases, when the resin material such as urethane is filled in the concave portion on the front surface of the wheel, the cost increases, and the wheel is liable to peel off with use over time. In addition, in order to eliminate the hardness of the decorative plate and improve the surface properties, it is not possible to weld to the rim when the outer peripheral edge is folded inward, so in this case, A method of attaching the outer peripheral edge by pressing the outer peripheral edge against the inner peripheral surface of the rim is inevitable. However, in this case, it gradually loosened due to use over time, causing a displacement along the inner peripheral surface of the rim and damaging the valve, or falling off during traveling, causing danger, and the vehicle falling into the gutter In such a case, there is a problem that the impact easily causes detachment. Therefore, welding to the vicinity of the rim flange without bending the outer peripheral edge portion has been attempted. However, there is a problem that ugly welding marks remain on the surface of the decorative plate and the appearance is poor.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems in the prior art, improves the design of a steel plate wheel, and eliminates the risk of peeling or falling off from the wheel or damaging a valve. A method of manufacturing a wheel with a decorative plate that can be provided at a low cost. Specifically, a disk having a plurality of decorative holes formed in a circumferential direction in an annular rim is integrated by welding. And a wheel provided with an annular metal decorative plate having a plurality of decorative holes formed in the circumferential direction on the surface side and between the rim flange and the hub hole of the disk. The edge is bent all the way to the inside of the rim to form a joint tongue that contacts the vicinity of the rising edge of the rim flange. By welding means, a method of manufacturing a decorative plate with wheels so as to weld the joining tongue of the plaque in the vicinity rim flange rising portion.

Further, according to the present invention, the plurality of decorative holes formed in the ring-shaped metal decorative plate in the above-described configuration are each turned inward, and are welded to the vicinity of the rim flange rising portion. The thickness of the annular metal decorative plate is set to be within 30% of the rim plate thickness, and the inner peripheral edge of the annular metallic decorative plate welded near the rim flange rising portion is formed on the disk surface. And a gap of 0.5 to 2.0 mm is maintained between the inner peripheral edge of the annular metal decorative plate welded near the rising portion of the rim flange and the disk surface. In the meantime, the present invention also relates to a method of manufacturing a wheel with a decorative plate, which is filled with a sealant or an adhesive.

In the above structure, the annular metal decorative plate is formed by folding the outer peripheral edge portion inwardly of the rim over the entire circumference to form a joining tongue piece in contact with the vicinity of the rim flange rising portion. After the tongue is brought into contact with the vicinity of the rising portion of the rim flange, the joining tongue of the above-mentioned decoration plate is welded to the vicinity of the rising portion of the rim flange through the decoration hole of the disc by laser welding from the rear side of the wheel. Get.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The specific contents of the present invention will be described below with reference to the embodiment of FIG. 1. Reference numeral 1 denotes an annular rim, 4 denotes a disk, and disk 4 has a hub hole 5 in the center. And a bolt hole 7 for wheel attachment is formed therearound, and further bulges outward from the portion of the bolt hole 7 to form a bulge 4a. Has a decorative hole 6 formed therein.
Further, the disk 4 is fitted to the drop center portion 2 on the inner peripheral surface of the rim 1 and integrated by welding to constitute a steel plate wheel.

Further, a portion of the wheel 1 near the rim flange 3 and the hub hole 5 of the disk 4 (the bulge 4
A ring-shaped (doughnut-shaped) decorative plate 8 having a plurality of decorative holes 11 formed in the circumferential direction is mounted between the decorative plate 8 and (a).
That is, the decorative plate 8 is formed by processing a thin metal plate and folding the outer peripheral edge inward of the rim 1 to form a joining tongue piece 9 in contact with the vicinity of the rising portion of the rim flange 3. Reference numeral 11 denotes a decorative hole, which is formed in a plurality in the circumferential direction of the decorative plate 8.

When the decorative plate 8 is attached, the joint tongue 9 bent inward is attached to the rim flange 3.
, The laser nozzles L and N are arranged in front of the wheel 1, laser oscillators LM are prepared, and
A laser mirror M is arranged on the rear side of the laser nozzle M in advance so that the focal points of the reflected laser beams LB coincide with the welded portions W, and the laser oscillated by the laser oscillator LM is used for the laser nozzle. The laser beam M is applied to the laser mirror M from the hub hole 5 by L · N, and the laser beam LB reflected from the laser mirror M is applied to the welding portion W of the joining tongue piece 9 through the decorative hole 6 of the disk 4. Welding is performed near the rising portion of the rim flange 3 to be integrated with the rim 1. The plurality of decorative holes 11 formed in the annular decorative plate 8 are formed such that the peripheral edges thereof are bent gently inward, thereby eliminating the hardness inherent in the steel plate and further improving the texture. .

When the thickness of the annular decorative plate used in this case is within 30% of the thickness of the rim 1, the entire decorative plate including the joining tongue piece 9 and the decorative hole 11 is formed. Workability is improved in forming the shape. Further, if the inner peripheral edge 10 of the decorative plate 8 is welded so as to maintain a gap of preferably 0.5 to 2.0 mm with the surface of the disk 4, that is, the surface of the bulging portion 4a, No abnormal noise is caused by contact with the disk 6 during running, and the paint can slightly enter into the portion of the disk 4 covered by the decorative plate 8 from this gap during surface coating in a later step. And the corrosion resistance can be improved. Further, in this case, as shown in FIG. 2, a space between the inner peripheral edge 10 of the annular decorative plate 8 and the surface of the disk 4 (the bulging portion 4a) is filled with a sealing agent or an adhesive 12. In addition, the above-mentioned corrosion resistance and abnormal noise can be more completely prevented.

[0011]

As described above, according to the present invention, a disk having a plurality of decorative holes formed in the circumferential direction is welded and integrated into an annular rim, and the rim flange and the hub hole of the disk are formed on the front side. In between, a wheel provided with an annular metal decorative plate formed with a plurality of decorative holes in the circumferential direction,
The decorative plate is formed by folding the outer peripheral edge portion inwardly of the rim over the entire circumference to form a joining tongue piece in contact with the vicinity of the rim flange rising portion, and by laser welding means through the decorative hole of the disc from the rear side of the wheel. Welding the tongue piece of the plaque to the vicinity of the rim flange rising part causes loosening during running, resulting in misalignment along the inner surface of the rim, and there is a risk of damaging the valve or falling off. In addition, the quality can be improved because no ugly welding marks are formed on the surface of the decorative plate.

The thickness of the ring-shaped decoration plate is set to 30
When the percentage is within the range, the workability is good, and when the peripheral edges of the plurality of decorative holes formed on the surface are gently bent inward, a characteristic characteristic of the metal plate is obtained. There is no sense of incongruity due to hardness, and it can represent a texture close to forged aluminum products,
The texture can be improved. Further, the annular decorative plate welded in the vicinity of the rising portion of the rim flange has an inner peripheral edge of 0.5 to 2.0 m between the inner peripheral edge and the disk surface.
m, and a sealant or an adhesive is applied between the inner peripheral edge of the annular metal decorative plate welded near the rising portion of the rim flange and the disk surface. In the case of filling, no abnormal noise is generated during traveling, and the corrosion resistance can be further improved.

[Brief description of the drawings]

FIG. 1 is a half sectional view showing a state in which a decorative plate is assembled to a wheel rim according to an embodiment of the present invention.

FIG. 2 is a half cut sectional view showing still another embodiment of assembling the decorative plate to the wheel rim in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rim 2 Drop center part 3 Rim flange 4 Disk 4a Swelling part 5 Hub hole 6 Decorative hole 7 Bolt hole 8 Decorative plate 9 Joining tongue piece 10 Inner peripheral edge 11 Decorative hole 12 Sealant or adhesive LM Laser mirror L / N Laser nozzle LB Laser beam M Laser mirror W Weld

Claims (5)

[Claims] A disk having a plurality of decorative holes formed circumferentially in an annular rim is welded and integrated, and a plurality of circumferentially arranged decorative holes are provided between a rim flange and a hub hole of the disk on the front side. In a wheel provided with an annular metal decorative plate formed with a decorative hole, the decorative plate is formed by folding the outer peripheral edge portion inwardly of the rim over the entire circumference and forming a joining tongue piece in contact with the vicinity of the rim flange rising portion. While forming
A method of manufacturing a wheel with a decorative plate, wherein a joining tongue of the decorative plate is welded to a vicinity of a rising portion of a rim flange by a laser welding means from a rear side of the wheel through a decorative hole of a disk. 2. The method for manufacturing a wheel with a decorative plate according to claim 1, wherein the peripheral edge portions of the plurality of decorative holes formed in the annular metal decorative plate are formed by gradually bending inward. . 3. The method for manufacturing a wheel with a decorative plate according to claim 1, wherein the thickness of the annular metal decorative plate welded near the rim flange rising portion is within 30% of the rim plate thickness. . 4. An annular metal decorative plate welded in the vicinity of a rising portion of a rim flange such that an inner peripheral edge of the decorative plate maintains a gap of 0.5 to 2.0 mm with a disk surface. The method for manufacturing a wheel with a decorative plate according to claim 1, wherein the wheel is welded. 5. A sealant or an adhesive is filled between an inner peripheral edge of an annular metal decorative plate welded near a rising portion of a rim flange and a disk surface. A method for manufacturing a wheel with a decorative plate according to claim 4.