CN113369813A - Automobile aluminum wheel manufacturing method based on pressing and welding technology and automobile aluminum wheel - Google Patents
Automobile aluminum wheel manufacturing method based on pressing and welding technology and automobile aluminum wheel Download PDFInfo
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- CN113369813A CN113369813A CN202110638147.3A CN202110638147A CN113369813A CN 113369813 A CN113369813 A CN 113369813A CN 202110638147 A CN202110638147 A CN 202110638147A CN 113369813 A CN113369813 A CN 113369813A
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- rim
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- aluminum wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
- B60B3/04—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding
- B60B3/041—Disc wheels, i.e. wheels with load-supporting disc body with a single disc body not integral with rim, i.e. disc body and rim being manufactured independently and then permanently attached to each other in a second step, e.g. by welding characterised by the attachment of rim to wheel disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for manufacturing an automobile aluminum wheel based on a pressing and welding technology, wherein the aluminum wheel comprises a spoke plate and a rim, and is characterized by comprising the following steps of: A. processing and molding a spoke plate; rolling the aluminum plate into a cylinder, and carrying out friction stir welding on gaps at two ends of the aluminum plate; B. pressing and molding a rim; C. processing a wheel rim T6; D. the wheel disc and the formed wheel rim are connected and formed in a friction stir welding mode; the automobile aluminum wheel is formed by the automobile aluminum wheel manufacturing method based on the pressing and welding technology and comprises a wheel disk, wherein a first rim and a second rim are arranged at two ends of the wheel disk respectively, and the first rim and the second rim are connected with the wheel disk in a friction stir welding mode. The invention has the advantages of reducing the production cost; the product is light and has the weight 30% lower than that of the traditional filter material; the strength and the toughness of the product are enhanced.
Description
Technical Field
The application relates to the technical field of aluminum wheel manufacturing, in particular to an automobile aluminum wheel manufacturing method based on pressure application and welding technology and an automobile aluminum wheel.
Background
At present, the wheel hub matched with the automobile axle has two forms, one is as follows: the cast ductile iron hub is mainly made of ductile cast iron. The hub in the form has high mechanical performance, but has large specific gravity and heavy weight; the other type is a cast aluminum alloy hub which is newly appeared in the market, the cast hub has the advantage of light weight, but because aluminum belongs to active elements and is easy to oxidize, the cast aluminum alloy hub has various casting defect forms of oxidation slag inclusion, air holes, shrinkage porosity, cracks, cold shut and the like, and the comprehensive mechanical property is not high. Recently, forged hubs have been developed to achieve higher strength and to improve the mechanical properties of the hubs.
For example, in chinese patent literature, a utility model patent with publication number CN211942837U discloses a forged high-strength aluminum alloy wheel hub, which is characterized in that the wheel hub is composed of a wheel hub body, an inner bearing mounting surface, an outer bearing mounting surface, an oil seal mounting surface, a wheel connecting flange mounting surface, a brake disc connecting mounting surface, a half shaft or wheel hub end cover mounting surface, a wheel spigot mounting surface, a half shaft or end cover bolt connecting thread, a tire bolt hole and a brake disc connecting bolt hole; the aluminum bar section is formed by forging and extruding, and the finished product aluminum wheel hub is formed after heat treatment and mechanical processing. The disadvantages are that: at present, most of aluminum wheel forging products in the market adopt a large forging press, and the aluminum wheel forging press has thousands of tons of small equipment and thousands of tons of large equipment. And the product can be forged after being heated, so that the energy consumption and the pollution are high, and the price and the cost of the product are very high.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the automobile aluminum wheel manufacturing method based on the pressing and welding technology and the automobile aluminum wheel, through the separate processing of the spoke plate and the rim, the defects of high energy consumption and high pollution in the traditional wheel production are overcome, and the production cost is reduced; the product is light and has the weight 30% lower than that of the traditional filter material; the strength and the toughness of the product are enhanced.
In order to achieve the above object, the present invention adopts the following technical solutions.
A manufacturing method of an automobile aluminum wheel based on a pressing and welding technology is provided, the aluminum wheel comprises a spoke plate and a rim, and the manufacturing method is characterized by comprising the following steps:
A. processing and molding a spoke plate; rolling the aluminum plate into a cylinder, and carrying out friction stir welding on gaps at two ends of the aluminum plate;
B. pressing and molding a rim;
C. processing a wheel rim T6;
D. the wheel disk and the formed wheel rim are connected and formed in a friction stir welding mode.
The wheel disc and the wheel rim are separately processed, so that the defects of high energy consumption and high pollution in the traditional wheel production are overcome, and the production cost is reduced; the product is light and has the weight 30% lower than that of the traditional filter material; the strength and the toughness of the product are enhanced.
Preferably, in the step A, the processing of the web adopts a liquid die forging or forming forging process. The split arrangement of the wheel disc and the wheel rim reduces the processing difficulty of the wheel disc, can reduce a large amount of machining, and improves the production efficiency.
Preferably, in step a, the 6061 aluminum alloy is used as the material of the aluminum plate, the aluminum plate is formed by rolling, and the rolled aluminum plate is cold-spun. The strength and toughness of the rolled aluminum plate are higher than those of an aluminum plate for forging, and the aluminum plate is processed at normal temperature through cold spinning, so that the density of the product is continuously strengthened, and the performance of the product is improved; the common forged aluminum wheel is heated by an aluminum rod and then forged to form an approximate outline, and the product is spun and formed by high-temperature scrambling, so that the aluminum material is greatly molded by flowing and is similar to a rolling wrapper; under the condition of ensuring the same strength, the product of the invention has lighter weight, and the light weight of the product is realized.
The automobile aluminum wheel is characterized in that the automobile aluminum wheel manufactured by the pressing and welding technology comprises a wheel disk, wherein a first rim and a second rim are respectively arranged at two ends of the wheel disk, and the first rim and the second rim are connected with the wheel disk in a friction stir welding mode.
Through the separate processing of radials and rim, weld forming has realized the lightweight of product, and is lighter 30% than traditional filter material gravity, and production efficiency is high, has solved the not enough of high energy consumption high pollution of traditional wheel production.
Preferably, both ends of the wheel disk are respectively provided with a welding ring groove matched with the first wheel rim and the second wheel rim. Play the effect of cooperation first rim and second rim through the welding annular, can prepositioning, make things convenient for going on of follow-up friction stir welding.
Preferably, the radial plate comprises a circular table panel, one end of the circular table panel, where the upper bottom is located, is provided with a circular flat plate, and the inner side edge where the circular table panel and the circular flat plate are intersected is in smooth transition. The crossed inner sides of the circular table panel and the circular ring flat plate are stress sides, and the inner sides in smooth transition can have higher bearing capacity and strong deformation prevention capacity.
Preferably, the wheel disc is provided with transition fillets corresponding to the inner sides of the first rim and the second rim respectively. The strength of the mounting position of the wheel disc and the wheel rim is improved.
Preferably, the first rim is located one side of the lower bottom of the circular table board, the second rim is located the other side of the circular table board, the first rim and the second rim respectively comprise a cylindrical section, a circular table section and an installation section which are sequentially connected, the cylindrical section is connected with the radial plate, and the installation section is provided with an inner sunken groove formed by a circular ring. First rim and second rim cooperation realize the setting of rim seat, compare the form of radials setting in rim one end among traditional wheel hub, the radials of this application is located the rim and leans on well position, can shorten the shaft, is fit for the small-size design of automobile body.
Preferably, the axial height of the first rim is 2 to 3 times of the axial height of the second rim, and the circular truncated cone section of the first rim is provided with the reinforcing ring. The bearing capacity of the hub is improved, and the strength of the first rim is improved.
The invention has the following beneficial effects: compared with a forged aluminum wheel, the product has better fatigue strength and impact performance than the forged aluminum wheel under the condition of the same weight; under the condition of ensuring the same strength, the product of the invention has lighter weight, and realizes the light weight of the product; through the separate processing of the wheel disk and the wheel rim, the defects of high energy consumption and high pollution in the production of the traditional wheel are overcome, and the production cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the structure of the web of the present invention.
In the figure: a screw hole 6 is arranged in a central shaft hole 5 of a first rim 3 and a second rim 4 of a wheel disc 1, a wheel disc seat 2, a screw hole 6, a circular table panel 8, a circular table flat plate 9, a circular table section 10, a circular table section 11, an installation section 12, an invagination groove 13, a welding ring groove 14, a transition fillet 15 and a reinforcing ring 16.
Detailed Description
The invention is further illustrated with reference to the figures and the specific embodiments.
Examples
As shown in fig. 1 and 2, a method for manufacturing an aluminum wheel for an automobile based on a pressing and welding technique, the aluminum wheel including a web and a rim, includes the steps of:
A. processing and forming the wheel disc, wherein the wheel disc is processed by adopting a liquid die forging or forming forging process; rolling an aluminum plate into a cylinder, wherein the aluminum plate is made of 6061 aluminum alloy, is formed by rolling, is subjected to cold spinning processing, and is subjected to friction stir welding;
B. pressing and molding a rim;
C. processing a wheel rim T6; t6 is a heat treatment process, namely, the state of artificial aging after solution heat treatment;
D. the web plate and the formed rim are connected and formed in a friction stir welding mode, wherein the friction stir welding mode is that the welded material is locally melted by utilizing heat generated by friction between a welding tool rotating at a high speed and a workpiece, and when the welding tool moves forwards along a welding interface, the plasticized material flows from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool and forms a compact solid-phase welding seam under the extrusion of the welding tool.
The wheel disc and the rim are separately processed, and the wheel disc and the rim are arranged in a split mode, so that the processing difficulty of the wheel disc is reduced, a large amount of machining can be reduced, the production efficiency is improved, the defects of high energy consumption and high pollution in the traditional wheel production are overcome, and the production cost is reduced; compared with a forged aluminum wheel, the product has better fatigue strength and impact performance than the forged aluminum wheel under the condition of the same weight; under the condition of ensuring the same strength, the product of the invention can be lighter, the lightweight of the product is realized, and the gravity of the product is 30% lighter than that of the traditional filter material.
The automobile aluminum wheel is characterized by being formed by the automobile aluminum wheel manufacturing method adopting the pressing and welding technology, and comprising a spoke plate 1, wherein a first rim 3 and a second rim 4 are respectively arranged at two ends of the spoke plate 1, and the first rim 3 and the second rim 4 are oppositely arranged and combined to form a rim whole. The first rim 3 and the second rim 4 are connected to the web 1 by friction stir welding. The center of the circular flat plate 9 is provided with a central shaft hole 5, the circular flat plate 9 is provided with installation screw holes 6 for assembling a wheel hub, the installation screw holes 6 are provided with six arranged around the axis circumference array of the circular flat plate 9, six hollowed holes 7 are arranged on the circular table panel 8, the purpose of saving materials is achieved, the light weight of a product is more favorably realized, and the hollowed holes 7 correspond to the two adjacent installation screw holes 6. The spoke plate 1 comprises a circular table top plate 8, a circular ring flat plate 9 is arranged at one end where the upper bottom of the circular table top plate 8 is located, and the inner side edge of the intersection of the circular table top plate 8 and the circular ring flat plate 9 is in smooth transition. The crossed inner sides of the circular table panel 8 and the circular ring flat plate 9 are stress sides, and the smooth transitional inner sides can have higher bearing capacity and strong deformation prevention capacity. First rim 3 is located 8 lower bottoms of round platform panels place one side, and second rim 4 is located the opposite side of round platform panels 8, and first rim 3 and second rim 4 all include cylinder section 10, round platform section 11 and the installation section 12 that links to each other in proper order and set up, and cylinder section 10 and radials 1 are connected, are equipped with the invagination groove 13 that the ring set up on the installation section 12. Can set up rim seat 2 on first rim 3 and the second rim 4, the axial height a of first rim 3 is 2.03 times of 4 axial height b of second rim, and the setting of rim seat 2 is realized in the cooperation of first rim 3 and second rim 4, compares the form of radials 1 setting in rim one end among traditional wheel hub, and the radials 1 of this application is located the rim and leans on well position, can shorten the shaft, is fit for the small-size design of automobile body. The circular truncated cone section 11 of the first rim 3 is provided with a reinforcing ring 16. The two ends of the spoke plate 1 are respectively provided with a welding ring groove 14 matched with the first rim 3 and the second rim 4, the welding ring grooves 14 are respectively positioned on the outer edges of the two ends of the spoke plate 1, the welding ring grooves 14 are positioned at the left end and the right end of the outer end of the circular table panel 8, and the cylindrical section 10 is matched with the welding ring grooves 14. The radial plate 1 is provided with transition fillets 15 corresponding to the inner sides of the first rim 3 and the second rim 4 respectively, and the transition fillets 15 and the welding ring grooves 14 are arranged adjacently. Play the effect of first rim 3 of cooperation and second rim 4 through welding annular 14, can prepositioning, make things convenient for going on of follow-up friction stir welding, improve the intensity of radials 1 and rim installation department.
Through the separate processing of radials 1 and rim, weld forming has realized the lightweight of product, and is lighter 30% than traditional filter material gravity, and production efficiency is high, has solved the not enough of high energy consumption high pollution of traditional wheel production.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A manufacturing method of an automobile aluminum wheel based on a pressing and welding technology is provided, the aluminum wheel comprises a spoke plate and a rim, and the manufacturing method is characterized by comprising the following steps:
A. processing and molding a spoke plate; rolling the aluminum plate into a cylinder, and carrying out friction stir welding on gaps at two ends of the aluminum plate;
B. pressing and molding a rim;
C. processing a wheel rim T6;
D. the wheel disk and the formed wheel rim are connected and formed in a friction stir welding mode.
2. The method for manufacturing the automobile aluminum wheel based on the pressing and welding technology as claimed in claim 1, wherein in the step A, the web is processed by a liquid die forging or a forming forging process.
3. The method as claimed in claim 1, wherein in step a, the aluminum plate is 6061 aluminum alloy, the aluminum plate is formed by rolling, and the rolled aluminum plate is cold-spun.
4. An aluminum wheel for an automobile, characterized in that, the aluminum wheel for an automobile is formed by the manufacturing method of any one of the above claims 1 to 3 based on the pressing and welding technology, and comprises a web, wherein a first rim and a second rim are respectively arranged at two ends of the web, and the first rim and the second rim are connected with the web by means of friction stir welding.
5. The aluminum wheel of claim 4, wherein the two ends of the web are provided with welding ring grooves for fitting the first rim and the second rim, respectively.
6. The aluminum wheel of claim 4, wherein the spoke plate comprises a circular platform plate, a circular ring plate is arranged at one end of the circular platform plate where the upper bottom is located, and the inner side edge where the circular platform plate and the circular ring plate are intersected is smoothly transited.
7. An aluminium wheel according to claim 4 or 5, wherein the web is provided with transition fillets corresponding to the inner sides of the first rim and the second rim, respectively.
8. The automobile aluminum wheel as claimed in claim 6, wherein the first rim is located on one side of the lower bottom of the circular table board, the second rim is located on the other side of the circular table board, the first rim and the second rim each comprise a cylindrical section, a circular table section and a mounting section which are sequentially connected, the cylindrical section is connected with the radial plate, and the mounting section is provided with an inner concave groove in which the circular ring is arranged.
9. The aluminum wheel of claim 8, wherein the first rim has an axial height 2 to 3 times greater than an axial height of the second rim, and the first rim has a reinforcement ring disposed on the circular truncated segment thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110638147.3A CN113369813A (en) | 2021-06-08 | 2021-06-08 | Automobile aluminum wheel manufacturing method based on pressing and welding technology and automobile aluminum wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110638147.3A CN113369813A (en) | 2021-06-08 | 2021-06-08 | Automobile aluminum wheel manufacturing method based on pressing and welding technology and automobile aluminum wheel |
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| CN113369813A true CN113369813A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110638147.3A Pending CN113369813A (en) | 2021-06-08 | 2021-06-08 | Automobile aluminum wheel manufacturing method based on pressing and welding technology and automobile aluminum wheel |
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| CN (1) | CN113369813A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997012A (en) * | 2021-10-09 | 2022-02-01 | 福建省四轮工程机械有限公司 | Guide wheel rolling process and equipment |
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| CN102152085A (en) * | 2011-05-05 | 2011-08-17 | 广州有色金属研究院 | Method for manufacturing dissimilar aluminum alloy composite automobile hub |
| CN106114055A (en) * | 2016-06-30 | 2016-11-16 | 广东省材料与加工研究所 | A kind of aluminum-alloy wheel of composite welding structure and preparation method thereof |
| CN106739785A (en) * | 2016-12-28 | 2017-05-31 | 田丰 | A kind of three-chip type wheel hub |
| CN108128084A (en) * | 2016-12-01 | 2018-06-08 | 江苏车谷新材料有限公司 | A kind of two-fold side forged hub and its production technology |
| CN108128090A (en) * | 2016-12-01 | 2018-06-08 | 江苏车谷新材料有限公司 | A kind of two-fold side forging wheel rim and its production technology |
-
2021
- 2021-06-08 CN CN202110638147.3A patent/CN113369813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152085A (en) * | 2011-05-05 | 2011-08-17 | 广州有色金属研究院 | Method for manufacturing dissimilar aluminum alloy composite automobile hub |
| CN106114055A (en) * | 2016-06-30 | 2016-11-16 | 广东省材料与加工研究所 | A kind of aluminum-alloy wheel of composite welding structure and preparation method thereof |
| CN108128084A (en) * | 2016-12-01 | 2018-06-08 | 江苏车谷新材料有限公司 | A kind of two-fold side forged hub and its production technology |
| CN108128090A (en) * | 2016-12-01 | 2018-06-08 | 江苏车谷新材料有限公司 | A kind of two-fold side forging wheel rim and its production technology |
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Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997012A (en) * | 2021-10-09 | 2022-02-01 | 福建省四轮工程机械有限公司 | Guide wheel rolling process and equipment |
| CN113997012B (en) * | 2021-10-09 | 2023-10-13 | 福建省四轮工程机械有限公司 | Rolling technology and equipment for guide wheel |
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Application publication date: 20210910 |