CN111469600A

CN111469600A - Manufacturing method of split-forming wheel structure and split-forming wheel structure

Info

Publication number: CN111469600A
Application number: CN202010463403.5A
Authority: CN
Inventors: 李茂才; 侯萌; 孙波; 刘康; 聂兆军; 许伸
Original assignee: Taian Qicheng Wheel Manufacturing Co ltd
Current assignee: Taian Qicheng Wheel Manufacturing Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-07-31

Abstract

The invention discloses a manufacturing method of a split-forming wheel structure and the split-forming wheel structure, wherein the manufacturing method comprises the following steps: the wheel rim, the mounting disc and the wheel fork are formed in a split mode; and fixing the formed spoke, the mounting disc and the wheel disc to form the wheel. The split forming wheel structure comprises: including rim, mounting disc and spoke, the center of mounting disc is equipped with the preformed hole, the circumference outer fringe of mounting disc is equipped with a plurality of recess, the spoke includes outer lane, inner ring, a plurality of spoke, the spoke is connected between outer lane and inner ring, and the position of the recess on clearance and the mounting disc between two adjacent spokes is corresponding, the mounting disc is fixed with the spoke, the inner side edge of outer lane and rim is fixed. The invention has the advantages that on the basis of ensuring the strength of the product, the material utilization rate is improved to the maximum extent, the material types are reduced, the weight of the product is reduced, the manufacturing cost of the product is reduced, and the weight of the produced wheel is reduced by about 2.5-3Kg compared with the weight of the conventional wheel product.

Description

Manufacturing method of split-forming wheel structure and split-forming wheel structure

Technical Field

The invention mainly relates to the technical field of wheel technical products, in particular to a manufacturing method of a split forming wheel structure and the split forming wheel structure.

Background

Automobile wheels, which are the main load bearing members of the traveling parts of automobiles, are very important parts of automobiles. The automobile wheels are distinguished by materials, and mainly comprise steel wheels and aluminum alloy wheels, compared with the steel wheels, the aluminum alloy wheels become the mainstream loading choice at present due to the advantages of high split forming degree, good shock absorption and heat dissipation, excellent jumping and dynamic balance performance and the like, and in various manufacturing process modes of the aluminum alloy wheels, a low-pressure casting mode becomes the most main manufacturing mode of the aluminum alloy wheels due to the advantages of high production efficiency and product qualification rate, low comprehensive manufacturing cost and the like.

Disclosure of Invention

In order to solve the defects in the prior art, one of the purposes of the invention is as follows: the spoke, the mounting disc and the rim are manufactured in different manufacturing modes respectively, and are welded and formed after the split forming. The second purpose of the invention is that: a wheel is provided which has a weight reduction of about 2.5 to 3Kg compared to conventional wheel products.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a manufacturing method of a split forming wheel structure comprises the following steps:

(1) the wheel rim, the mounting disc and the wheel fork are formed in a split mode;

(2) and fixing the formed spoke, the mounting disc and the wheel disc to form the wheel.

The split-type formed rim, the mounting disc and the wheel hub comprise the following steps:

the manufacturing of the wheel rim comprises the following steps: blanking a plate, rolling, flattening, FSW welding, slag planing, rounding, end cutting, flanging and rolling for forming;

the manufacturing of the mounting plate comprises the following steps: extrusion molding, profile cutting, appearance forming for later use or profile cutting, extrusion molding and appearance forming for later use;

the manufacturing of the spoke comprises the following steps: cutting a plate, stamping a die and forming the appearance for later use.

The formed spoke, the mounting disc and the wheel disc are fixed to form the wheel, and the method comprises the following steps:

assembling a spoke and a mounting disc, welding the connecting part FSW of the spoke and the mounting disc, forming a wheel disc, and forming the appearance for later use;

preprocessing a wheel disc, combining the preprocessed wheel disc and a rim, welding the preprocessed wheel disc and the connecting part of the rim by FSW, and forming the wheel.

The utility model provides a components of a whole that can function independently becomes wheel structure, includes rim, mounting disc and spoke, the center of mounting disc is equipped with the preformed hole, the circumference outer fringe of mounting disc is equipped with a plurality of recess, the spoke includes outer lane, inner ring, a plurality of spoke, the spoke is connected between outer lane and inner ring, and the position of the recess on clearance between two adjacent spokes and the mounting disc is corresponding, the mounting disc is fixed with the spoke, the inner side edge of outer lane and rim is fixed.

The recess of mounting disc circumference outer fringe is V type structure, the recess evenly sets up along the circumferencial direction of mounting disc, and is a plurality of.

The width of the spoke is gradually narrowed from the inner ring side to the outer ring side.

And reinforcing ribs are arranged at the edge of one surface of the spoke matched with the mounting disc.

The outer ring, the inner ring and the spokes are integrally formed.

The mounting disc is welded with the spoke, and the outer edge of the outer ring is welded with the inner side edge of the rim.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the manufacturing method of the wheel structure, the spoke part, the mounting disc part and the rim part are formed in a split mode and are manufactured in different manufacturing modes respectively, and the spoke part, the mounting disc part and the rim part are welded and formed in a friction stir welding (FSW welding) mode after forming.

2. The wheel manufacturing method provided by the invention has the advantages that the material utilization rate is improved to the maximum extent, the material types are reduced, and the product manufacturing cost is reduced on the basis of ensuring the product strength and the use requirement.

3. The wheel manufacturing method can reduce the integral forging and forming difficulty of the spoke rim.

4. The weight of the wheel product manufactured by the wheel manufacturing method is reduced by about 2.5-3Kg compared with the weight of the conventional wheel product.

Drawings

FIG. 1 is a schematic view of the rim structure of the present invention.

Fig. 2 is a schematic view of the structure of the mounting plate of the present invention.

FIG. 3 is a schematic view of the wheel structure of the present invention.

Figure 4 is a schematic illustration of the wheel disc construction of the present invention.

Fig. 5 is a schematic view of the wheel structure of the present invention.

Fig. 6 is a schematic view of the wheel of the present invention after machining.

Reference numerals shown in the drawings: 1. a rim; 2. mounting a disc; 3. a wheel fortune; 4. a wheel disc; 5. a groove; 6. reserving a hole; 7. an outer ring; 8. an inner ring; 9. spokes; 10. and (5) reinforcing ribs.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope defined in the present application.

(1) the wheel rim 1, the mounting disc 2 and the wheel rim are formed in a split mode; the rim 1 can be formed by spinning, as shown in fig. 1, the shape of the rim 1 is the original cylinder shape, and can be consistent with the prior art; the mounting disc 2 can be formed by punching, and the material of the mounting disc can be an aluminum plate, as shown in fig. 2, the mounting disc 2 is of a star-like structure, a plurality of grooves 5 are arranged on the outer edge of the circumference of the mounting disc, and a preformed hole 6 is arranged in the center of the mounting disc; as shown in fig. 3, the spoke 3 is composed of an outer ring 7, an inner ring 8 and a plurality of spokes 9, and is formed by stamping, wherein the material of the spoke can be an aluminum plate, and the aluminum plate is stamped by a die according to the molding size of the spoke 3 and the thickness (preferably 10-25 mm) of the spoke 3 to form the shape of the spoke 3.

(2) And fixing the formed spoke 3, the mounting disc 2 and the wheel disc 4 to form the wheel. Combining the spoke 3 (shown in figure 3) prepared in the step (1) with the mounting disc 2 (shown in figure 2), placing the combination in a fixing clamp for fixing, and welding the combination together by adopting a friction stir welding (FSW welding) technology to manufacture a wheel disc 4; and then fixing the wheel disc 4 and the rim 1 to form the wheel. For the combination welding of making things convenient for rim 4 and rim 1, can carry out preprocessing to rim 4 earlier according to the demand, adopt FSW welding mode welded fastening after the rim 4 after the preprocessing makes up with rim 1. The forming process of the wheel product can reduce the integral forging forming difficulty of the wheel disc 3 and the wheel rim 1 and reduce the weight of the product to the maximum extent.

The split forming wheel rim 1, the mounting disc 2 and the wheel hub comprise the following steps:

the manufacture of the rim 1 comprises: blanking a plate, rolling, flattening, FSW welding, slag planing, rounding, end cutting, flanging and rolling and forming. The method specifically comprises the following steps: firstly, blanking a plate, and cutting the plate into a required size; the cut plate is then processed into a cylinder shape, and a three-shaft rolling machine can be used for rolling. Flattening the end gap part of the cylindrical plate, welding the end gap parts together through FSW welding, then carrying out slag planing treatment on the welding part for removing welding slag at the welding part, conveying the cylindrical plate after slag planing treatment to a re-rounding machine for carrying out re-rounding treatment on the welding seam part, carrying out end cutting on the edges of the two ends of the re-rounded cylindrical plate to ensure that the allowance of the two sides of the cylinder is neat, then carrying out flanging treatment, and rolling the flanged cylindrical plate into a rim.

The manufacturing of the mounting plate 2 includes: extrusion molding, section cutting and appearance molding for standby use, wherein the molding of the mounting disc 2 adopts a standard aluminum bar and is extruded into a long section (the length is determined according to the length of the aluminum bar) of the molding of the mounting disc 2 by an extruder and a die in one step, a central hole is reserved, a machining allowance of 5mm is reserved in a reserved hole 6 according to the diameter of the central hole of a finished product on a single side, then the long section is cut into blocks for standby use according to the molding thickness and the offset distance of the mounting disc 2, the welding part of the cut mounting disc 2 and the butt joint combination part of the cut mounting disc 2 and the spoke 3 are machined smoothly for standby use, and the tight. Or the manufacturing of the mounting plate 2 comprises: cutting, extrusion molding and appearance molding of the section for standby use, specifically, cutting an aluminum plate into blocks according to the molding size and thickness of the mounting disc 2, putting the cut aluminum blocks into an extruder die, extrusion molding according to the molding of the mounting disc 2, reserving a central hole, and reserving a machining allowance of 5mm for the reserved hole 6 according to the diameter of the central hole of a finished product on one side; and (3) finely polishing the welding part of the mounting disc 2 and the butt joint combination part of the mounting disc and the spoke 3, and ensuring that the part connected with the spoke 3 is tightly matched without gaps.

The manufacture of the spoke 3 comprises: cutting a plate, stamping a die and forming the appearance for later use, wherein the method specifically comprises the following steps: stamping the aluminum plate into the shape of the spoke 3 by a mould according to the shape size of the spoke 3 and the thickness (preferably 10-25 mm) of the spoke 3 (as shown in figure 3, various shapes can be made according to the requirement); according to the requirements of aluminum plate modeling, wheel modeling and load, the edge part of the back of the spoke 3 can be additionally provided with a flanging reinforcing rib 10, so that the performance of the spoke 3 is enhanced to meet the performance requirement of the wheel.

The formed spoke 3, the mounting disc 2 and the wheel disc 4 are fixed to form a wheel, and the method comprises the following steps: the spoke 3 is combined with the mounting disc 2, the connecting part FSW of the spoke 3 and the mounting disc 2 is welded, the wheel disc 4 is molded, and the appearance is ready for use. The method specifically comprises the following steps: as shown in fig. 4, the prepared spoke 3 is combined with the mounting disc 2, then the spoke is fixed in a fixing clamp (the clamp in the prior art can be adopted, as long as the effect of fixing the spoke 3 and the mounting disc 2 can be achieved), the center of the spoke 3 is butted with the central surface of the mounting disc 2, after the spoke 3 and the mounting disc 2 are welded together by FSW welding after the spoke is assembled and fixed, a circle can be welded around the edge of the mounting disc 2, then a circle or a plurality of circles are welded around the central part, and the shape of the wheel disc 4 is formed by welding a plurality of circles according to the diameter of the wheel or the load performance. Preprocessing the wheel disc 4, combining the preprocessed wheel disc 4 with the rim 1, welding the connecting part FSW of the preprocessed wheel disc 4 and the rim 1, and forming the wheel. In order to facilitate the combined welding of the wheel disc 4 and the rim 1, the wheel disc 4 needs to be shaped and preprocessed, for example, the back surface of the wheel disc 3, the mounting disc 2 and the spigot at the connecting part of the wheel disc 4 and the rim 1 are shaped and accurately sized. After being combined with the rim 1, the wheel disc 4 after being preprocessed is welded and formed in an FSW welding mode, as shown in figure 5; and (3) turning the welded and formed wheel by a lathe according to requirements, such as machining a valve hole, and obtaining the final wheel shape after turning as shown in fig. 6.

According to the manufacturing method of the wheel structure, the spoke 3 part, the mounting disc 2 part and the rim 1 part are formed in a split mode and manufactured in different manufacturing modes respectively, and the spoke 3 part, the mounting disc 2 part and the rim 1 part are welded and formed in a friction stir welding (FSW welding) mode after forming; the wheel manufacturing method disclosed by the invention has the advantages that on the basis of ensuring the strength and the use requirements of the product, the utilization rate of the material is improved to the maximum extent, the types of the material are reduced, and the manufacturing cost of the product is reduced; the wheel manufacturing method can reduce the integral forging forming difficulty of the wheel disc 3 and the wheel rim 1.

The utility model provides a components of a whole that can function independently becomes wheel structure, includes rim 1, mounting disc 2 and spoke 3, the center of mounting disc 2 is equipped with preformed hole 6, the circumference outer fringe of mounting disc 2 is equipped with a plurality of recess 5, spoke 3 includes outer lane 7, inner ring 8, a plurality of spoke 9, spoke 9 is connected between outer lane 7 and inner ring 8, and the clearance between two adjacent spokes 9 corresponds with the position of recess 5 on the mounting disc 2, mounting disc 2 is fixed with spoke 3, outer lane 7 is fixed with the inboard edge of rim 1. The weight of the wheel of the invention is reduced by about 2.5-3Kg compared with the conventional wheel product.

Further, the recess 5 of 2 circumference outer edges of mounting disc is V type structure, and the preferred bottom edge that is at V type structure is the arc, recess 5 evenly sets up along the circumferencial direction of mounting disc 2, and be a plurality of.

Further, the spokes 9 have a width gradually narrowing from the inner ring 8 side to the outer ring 7 side. The spokes 9 can also be of a frame structure and can be made into required shapes according to the modeling and load requirements of the wheel.

Further, as shown in fig. 4, the edge of one side of the spoke 3, which is matched with the mounting disc 2, is provided with a reinforcing rib 10, and according to the requirements of aluminum plate modeling and wheel modeling and load, the edge of one side of the spoke 3, which is matched with the mounting disc 2, is provided with a flanging reinforcing rib, so that the performance of the spoke can be enhanced, and the performance requirement of the wheel can be met.

Furthermore, the outer ring 7, the inner ring 8 and the spokes 9 are integrally formed and can be formed by punching. Namely, the aluminum plate is stamped into the shape of the spoke 3 by a die according to the shape size of the spoke 3 and the thickness (preferably 10-25 mm) of the spoke 3 (as shown in fig. 3, various shapes can be made according to the requirement).

Further, the mounting disc 2 is welded with the spoke 3, and the outer edge of the outer ring 7 is welded with the inner side edge of the rim 1. The center of the spoke 3 is butted with the central surface of the mounting disc 2, the spoke 3 and the mounting disc 2 are welded together through FSW welding after being assembled and fixed, a circle can be welded around the edge of the mounting disc 2, then a circle or a plurality of circles are welded around the central part, and the shape of the wheel disc 4 is formed by welding a plurality of circles according to the diameter size of the wheel or the load performance.

Claims

1. The manufacturing method of the split forming wheel structure is characterized by comprising the following steps of:

2. The manufacturing method of the split forming wheel structure is characterized in that a rim, a mounting disc and a wheel fork are formed in a split manner, and the manufacturing method comprises the following steps:

3. The manufacturing method of the split forming wheel structure is characterized in that a wheel is formed by fixing a formed spoke, a mounting disc and a wheel disc, and comprises the following steps:

4. The utility model provides a components of a whole that can function independently becomes wheel structure, its characterized in that, includes rim, mounting disc and spoke, the center of mounting disc is equipped with the preformed hole, the circumference outer fringe of mounting disc is equipped with a plurality of recess, the spoke includes outer lane, inner ring, a plurality of spoke, the spoke is connected between outer lane and inner ring, and the position of the recess on clearance and the mounting disc between two adjacent spokes is corresponding, the mounting disc is fixed with the spoke, the inner side edge of outer lane and rim is fixed.

5. The structure of claim 4, wherein the grooves on the outer circumference of the mounting plate are V-shaped, and the grooves are uniformly arranged along the circumference of the mounting plate and are multiple.

6. The structure of claim 4, wherein the spokes have a width gradually decreasing from the inner ring side to the outer ring side.

7. The structure of claim 4, wherein the spoke and the mounting plate have a reinforcing rib at the edge of the surface thereof.

8. The structure of claim 4, wherein the outer ring, the inner ring and the spokes are integrally formed.

9. The structure of claim 4, wherein the mounting plate is welded to the spokes and the outer rim of the outer ring is welded to the inner rim edge of the rim.