CN112643286A - Manufacturing method of aluminum alloy rear rim and special tool thereof - Google Patents
Manufacturing method of aluminum alloy rear rim and special tool thereof Download PDFInfo
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- CN112643286A CN112643286A CN202010827539.XA CN202010827539A CN112643286A CN 112643286 A CN112643286 A CN 112643286A CN 202010827539 A CN202010827539 A CN 202010827539A CN 112643286 A CN112643286 A CN 112643286A
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- rim
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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
- 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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- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
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Abstract
The invention discloses a manufacturing method of an aluminum alloy rear rim and a special tool thereof, wherein the method mainly comprises 8 main steps, and the improved rear rim is manufactured by adding the tool specially designed for the method.
Description
Technical Field
The invention relates to the technical field of hub manufacturing, in particular to a manufacturing method of an aluminum alloy rear rim and a special tool thereof.
Background
At present, automobiles are pursuing light weight so as to achieve the purpose of better energy conservation and emission reduction, the popularization of automobiles drives the technical progress of hubs, and the automobile hubs at present can be divided into iron hubs and aluminum alloy hubs according to materials, wherein the aluminum alloy hubs are widely adopted due to the advantages of high strength, relatively low weight and the like.
The manufacturing method of the aluminum alloy wheel hub comprises two main processing modes of casting, spinning after forging and welding, wherein the latter is that an aluminum alloy plate is bent into a ring and then spun into a wheel rim ring, and then the wheel rim ring and a spoke are welded into a whole by friction stir welding, for the sake of attractiveness, a multi-piece wheel hub is derived from the latter, namely the former wheel rim ring is divided into a rear wheel rim and a front wheel rim, wherein the front wheel rim and the rear wheel rim can be welded into a whole by friction stir welding, or a connecting ring is arranged on the connecting ring, a plurality of connecting holes are formed in the connecting ring, and the rear wheel rim and the front wheel rim are connected into a whole by connecting bolts through the connecting holes, so that the joint surface of the rear wheel rim has two structures, and the rear wheel rim; fig. 4 shows a structure of a rear rim connected to a front rim by friction stir welding in a welded state as shown in fig. 5, and the rear rim having a connecting ring structure is generally manufactured in such a manner that the rear rim and the connecting ring are separately manufactured and then welded together by friction stir welding, which causes a problem in that two kinds of parts, i.e., the rear rim and the connecting ring, need to be prepared for this case, and a friction stir welding process is added.
Because the cost of the friction stir welding process is higher, the starting point of saving resources is provided, and the structure of the improved aluminum alloy rear rim is shown in figures 1 and 2, namely the outer end of the rear rim is a normal structure with a bead seat, and the inner end of the rear rim is a closed joint surface, so that the structure can be matched with the two connection state structures, and if the rear rim is directly connected with the front rim through friction stir welding, the joint surface is directly turned off to form the state shown in figure 4; if the front rim is connected with the rear rim through the bolts, a circular ring is turned on the joint surface (namely, the connecting ring is formed), and the state is shown in fig. 3, so that the friction stir welding process of the connecting ring and the rear rim can be saved, the turning process is changed, certain resources are saved, and the inventor provides a method for manufacturing the rear rim and a special tool for the improved rear rim.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a manufacturing method of an aluminum alloy rear rim and a special tool thereof based on the problems.
(II) technical scheme
The invention achieves the aim through the following technical scheme, provides a manufacturing method of an aluminum alloy rear rim and also provides a special tool for the manufacturing method.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps:
firstly, clamping an aluminum alloy plate selected according to the required thickness on a spinning tool, and placing the spinning tool on a spinning machine with a turning station;
spinning the clamped aluminum alloy plate to obtain a rear rim part;
turning the reference surface of the rear rim part which is spun in the step II;
demoulding the workpiece which finishes the turning processing of the reference surface in the step III;
and fifthly, cutting the joint surface of the rear rim part in the step IV according to requirements, wherein the cutting process is divided into two states according to requirements:
a. turning off the joint surface;
b. turning the joint surface into a circular ring part for connecting with a front rim;
sixthly, integrating the rear rim part obtained in the step a and the front rim into a whole through friction stir welding; or
Connecting the rear rim part obtained in the step b in the fifth step with the front rim into a whole through bolts;
seventhly, carrying out heat treatment quenching on the rim obtained in the step sixthly according to the requirement of T6;
and carrying out surface sand blasting treatment on the surface of the rear rim which does not need machining to form the whole rim.
Further, the aluminum alloy plate spinning process in the second step is divided into a pre-spinning process and a shaping spinning process:
the pre-spinning procedure is carried out to pre-spin into a cone-shaped barrel shape according to the feeding amount of 2-5 mm/r;
the shaping spinning process is to spin the wheel rim into a rear wheel rim finished piece according to the feeding amount of 0.5-1mm/r and the number of spinning channels of 2-3 times.
And furthermore, demolding in the step (IV) in a pneumatic mode.
Further, the air pressure for demolding is 0.4-0.6 mpa.
The special tool comprises: the aluminum alloy plate is arranged between the main tool and the pressing plate;
the main tool comprises a spinning forming part arranged on the outer surface, and a gas collecting cavity is arranged in the main tool;
an opening is formed in one side, away from the pressing plate, of the gas collection cavity, and the opening is sealed by a sealing plate;
the air inlet pipe penetrates through the sealing plate and then extends into the air collection cavity, and an air outlet is formed in one side, opposite to the air inlet pipe, of the air collection cavity;
the outermost diameter size of the pressing plate is smaller than the minimum diameter size of the spinning forming part.
Further, the air outlet is an internal thread hole.
The invention has the advantages that the manufacturing method for manufacturing the improved rear wheel rim and the special tool specially used for manufacturing the method are provided, the problem of resource waste in the background technology is solved, and meanwhile, the rear wheel rim manufactured by the method has the advantage of higher mechanical strength.
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
FIG. 1 is a schematic view of the rear rim construction of the present invention;
FIG. 2 is a second perspective structural view of the rear rim of the present invention;
FIG. 3 shows a state of the engagement surface of the rear rim;
FIG. 4 is another condition of the engagement surface of the rear rim;
FIG. 5 is a discrete state view of the rim;
FIG. 6 is a schematic view of a dedicated tooling of the present invention;
FIG. 7 is a schematic illustration of the pre-spun manufacturing of the rear rim of the present invention;
FIG. 8 is a schematic illustration of the rear rim truing spin-on manufacturing of the present invention;
in the figure:
1-rear rim, 1 a-junction surface;
2-tool, 2 a-main tool, 2 aa-spinning forming part, 2 ab-gas collecting cavity, 2 ac-gas outlet, 2 b-pressing plate, 2 c-sealing plate and 2 d-gas inlet pipe;
3-front rim.
Detailed Description
The described embodiments are only some embodiments of the invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 6 and 7, the tooling 2 used in the present invention includes a main tooling 2a and a pressing plate 2b, an aluminum alloy plate is disposed between the main tooling 2a and the pressing plate 2b, the main tooling 2a and the pressing plate 2b are disposed on a spinning machine, the spinning machine has a turning station, wherein the main tooling 2a includes a spinning forming portion 2aa disposed on an outer surface, a gas collecting cavity 2ab is disposed inside the main tooling 2a, an opening is disposed on a side of the gas collecting cavity 2ad away from the pressing plate 2b, the opening is sealed by a sealing plate 2c, a gas inlet pipe 2d passes through the sealing plate 2c and extends into the gas collecting cavity 2ab, and a gas outlet 2ac is disposed on a side of the gas collecting cavity 2ab opposite to the gas inlet pipe 2 d.
Since the select wheel is moved left and right, the outermost diameter of the pressing plate 2b is smaller than the minimum diameter of the spinning portion 2aa, so that interference does not occur.
The method comprises the following steps:
example 1
Firstly, clamping an aluminum alloy plate material selected according to the required thickness on a spinning tool 2;
secondly, spinning the clamped aluminum alloy plate to obtain a rear wheel rim 1 workpiece, wherein the adopted steps are divided into a pre-spinning process and a shaping and spinning process, namely, the aluminum alloy plate is pre-spun and pressed into a conical barrel shape, and the pre-spinning process is carried out according to the feeding amount of 2-5 mm/r; shaping, spinning and shaping, wherein the feeding amount of shaping spinning is 0.5-1mm/r, r is the number of spinning channels, the number of shaping spinning channels is 2 times, and the aluminum alloy plate can be heated or not heated before spinning;
thirdly, turning the reference surface of the rear rim 1 workpiece which is spun in the second step, namely taking the turning end surface as the reference;
fourthly, demolding the workpiece subjected to the turning processing of the reference surface in the third step, namely, the air inlet pipe 2d is filled with air pressure of 0.4-0.6mpa, air flow enters the air collection cavity 2ad, and the air flow is sprayed out through the air outlet 2ac, so that the demolding of the rear rim 1 is realized;
and fifthly, cutting the joint surface 1a of the rear rim 1 part in the fourth step according to requirements, wherein the cutting process is divided into two states according to requirements:
a. turning off the joint surface 1a as shown in fig. 4;
b. turning the joint surface 1a into a circular ring for connection with the front rim 3, as shown in fig. 3;
sixthly, integrating the rear rim 1 part obtained in the step a in the fifth step with the front rim 3 through friction stir welding; or
Connecting the rear wheel rim 1 part obtained in the step b in the fifth step and the front wheel rim 3 into a whole through bolts;
step seven, carrying out heat treatment quenching on the rim obtained in the step six according to the requirement of T6;
and step eight, performing surface sand blasting treatment on the surface of the rear rim which does not need machining to form the whole rim.
Example 2
The spinning feed amount in the second step was 1mm/r, the number of spinning passes was 3, and the rest of the steps were the same as in example 1.
For the convenience of hoisting the main tool 2a, the gas outlet 2ac is an internal threaded hole, and during hoisting, a hook for hoisting can be screwed in the gas outlet 2ac, and the gas outlet can be used for gas outlet at ordinary times.
The improved rear rim manufacturing method and the special tool used for the manufacturing method solve the problem of resource waste in the background technology, and meanwhile, the rear rim manufactured by the method has the advantage of higher mechanical strength.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The manufacturing method of the aluminum alloy rear rim is characterized by comprising the following steps of:
firstly, clamping an aluminum alloy plate selected according to the required thickness on a spinning tool, and placing the spinning tool on a spinning machine with a turning station;
spinning the clamped aluminum alloy plate to obtain a rear rim part;
turning the reference surface of the rear rim part which is spun in the step II;
demoulding the workpiece which finishes the turning processing of the reference surface in the step III;
and fifthly, cutting the joint surface of the rear rim part in the step IV according to requirements, wherein the cutting process is divided into two states according to requirements:
a. turning off the joint surface;
b. turning the joint surface into a circular ring part for connecting with a front rim;
sixthly, integrating the rear rim part obtained in the step a and the front rim into a whole through friction stir welding; or
Connecting the rear rim part obtained in the step b in the fifth step with the front rim into a whole through bolts;
seventhly, carrying out heat treatment quenching on the rim obtained in the step sixthly according to the requirement of T6;
and carrying out surface sand blasting treatment on the surface of the rear rim which does not need machining to form the whole rim.
2. The method for manufacturing the aluminum alloy rear rim according to claim 1, wherein the aluminum alloy plate spinning process in the second step is divided into a pre-spinning process and a shaping spinning process:
the pre-spinning procedure is carried out to pre-spin into a cone-shaped barrel shape according to the feeding amount of 2-5 mm/r;
the shaping spinning process is to spin the wheel rim into a rear wheel rim finished piece according to the feeding amount of 0.5-1mm/r and the number of spinning channels of 2-3 times.
3. The method for manufacturing an aluminum alloy rear rim according to claim 1, wherein the demolding manner in the step (iv) is a pneumatic demolding manner.
4. The method of claim 3, wherein the air pressure for demolding is 0.4-0.6 mpa.
5. A special tool for manufacturing the aluminum alloy rear rim method according to any one of claims 1 to 4, characterized in that: the aluminum alloy plate pressing device comprises a main tool and a pressing plate, wherein an aluminum alloy plate is arranged between the main tool and the pressing plate;
the main tool comprises a spinning forming part arranged on the outer surface, and a gas collecting cavity is arranged in the main tool;
an opening is formed in one side, away from the pressing plate, of the gas collection cavity, and the opening is sealed by a sealing plate;
the air inlet pipe penetrates through the sealing plate and then extends into the air collection cavity, and an air outlet is formed in one side, opposite to the air inlet pipe, of the air collection cavity;
the outermost diameter size of the pressing plate is smaller than the minimum diameter size of the spinning forming part.
6. The special tool for manufacturing the aluminum alloy rear rim according to claim 5, wherein the special tool comprises: the air outlet is an internal threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010827539.XA CN112643286A (en) | 2020-08-17 | 2020-08-17 | Manufacturing method of aluminum alloy rear rim and special tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010827539.XA CN112643286A (en) | 2020-08-17 | 2020-08-17 | Manufacturing method of aluminum alloy rear rim and special tool thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112643286A true CN112643286A (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010827539.XA Pending CN112643286A (en) | 2020-08-17 | 2020-08-17 | Manufacturing method of aluminum alloy rear rim and special tool thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102054A (en) * | 2021-10-22 | 2022-03-01 | 刘湘平 | Rim production method convenient for preparing large amount of materials |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004309369A (en) * | 2003-04-09 | 2004-11-04 | Bridgestone Corp | Method and apparatus for mounting rim-tire assembly |
| JP2005053338A (en) * | 2003-08-05 | 2005-03-03 | Topy Ind Ltd | Wheel having improved rigidity, and its manufacturing method |
| US20050274015A1 (en) * | 2004-06-14 | 2005-12-15 | Work Co., Ltd. | Wheel manufacturing method |
| CN103381541A (en) * | 2013-06-03 | 2013-11-06 | 陈幕毅 | Manufacturing method of composite high-strength nonferrous alloy wheel |
| CN104385847A (en) * | 2014-09-29 | 2015-03-04 | 上海交通大学 | Composite three-sheet spin hub and manufacturing method thereof |
| CN205615248U (en) * | 2016-05-13 | 2016-10-05 | 泉州市泰智机械发展有限公司 | Tubeless is integral steel wheel of uniform thickness solderless seam not |
| CN207857626U (en) * | 2018-02-24 | 2018-09-14 | 秦皇岛戴卡兴龙轮毂有限公司 | Spinning mold self-regulation mandrel |
| CN210172473U (en) * | 2019-07-11 | 2020-03-24 | 聊城广源精密机械制造股份有限公司 | Aluminum alloy wheel hub spinning mould convenient to drawing of patterns |
-
2020
- 2020-08-17 CN CN202010827539.XA patent/CN112643286A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004309369A (en) * | 2003-04-09 | 2004-11-04 | Bridgestone Corp | Method and apparatus for mounting rim-tire assembly |
| JP2005053338A (en) * | 2003-08-05 | 2005-03-03 | Topy Ind Ltd | Wheel having improved rigidity, and its manufacturing method |
| US20050274015A1 (en) * | 2004-06-14 | 2005-12-15 | Work Co., Ltd. | Wheel manufacturing method |
| CN103381541A (en) * | 2013-06-03 | 2013-11-06 | 陈幕毅 | Manufacturing method of composite high-strength nonferrous alloy wheel |
| CN104385847A (en) * | 2014-09-29 | 2015-03-04 | 上海交通大学 | Composite three-sheet spin hub and manufacturing method thereof |
| CN205615248U (en) * | 2016-05-13 | 2016-10-05 | 泉州市泰智机械发展有限公司 | Tubeless is integral steel wheel of uniform thickness solderless seam not |
| CN207857626U (en) * | 2018-02-24 | 2018-09-14 | 秦皇岛戴卡兴龙轮毂有限公司 | Spinning mold self-regulation mandrel |
| CN210172473U (en) * | 2019-07-11 | 2020-03-24 | 聊城广源精密机械制造股份有限公司 | Aluminum alloy wheel hub spinning mould convenient to drawing of patterns |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102054A (en) * | 2021-10-22 | 2022-03-01 | 刘湘平 | Rim production method convenient for preparing large amount of materials |
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Application publication date: 20210413 |
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