CN103273800A - Rim and production method thereof - Google Patents
Rim and production method thereof Download PDFInfo
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- CN103273800A CN103273800A CN2013102188222A CN201310218822A CN103273800A CN 103273800 A CN103273800 A CN 103273800A CN 2013102188222 A CN2013102188222 A CN 2013102188222A CN 201310218822 A CN201310218822 A CN 201310218822A CN 103273800 A CN103273800 A CN 103273800A
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Abstract
The invention discloses a production method of a rim. The production method includes: 1, performing edge rolling and forging on raw materials used for producing the rim, and performing butt welding on the raw materials to form a primary rim by a welding technology, 2, performing flaring operation on the primary rim to form a secondary rim, and then performing roll forming on the secondary rim for three times to form an arc-shaped preroll edge at the edge of the secondary rim, and 3, performing enlargement operation on the secondary rim to form a tertiary rim, then performing roll forming on the tertiary rim, and forming a rolled edge with a circular tubular structure design at the edge of the tertiary rim. The invention further provides the rim which comprises a rim body; and the rolled edge with the circular tubular structure design is arranged at the edge of the rim body. Since the rim is in the circular tubular structure design, structural strength is high, and overall strength of the rim can be improved. Besides, the rolled edge of the circular tubular structure design is arranged at the edge of the rim body, and welding of reinforcing steels is not needed, so that the purpose of reducing complexity of the rim production technology is achieved.
Description
Technical field
The present invention relates to the automobile equipment technical field, more particularly, particularly a kind of manufacture method of wheel rim and a kind of wheel rim.
Background technology
At present, the comparatively typical inner tube free wheel rim great majority of existing use carry out the wheel rim design according to industry standard.
In wheel rim, have car rim structure, in the prior art, the wheel rim position of typical wheel rim is semicircle, and to require its circular arc be R12.7.For lorry, when heavy duty or road conditions were relatively poor, the car rim deformed easily, caused the instantaneous reduction of tire pressure, and traffic accident takes place, even led to the tragedy of car crash.
Design based on said structure, also derived a kind of method that can strengthen rim structure intensity in the prior art, namely based on the structure of traditional wheel rim, add reinforcing bar of weldering at the wheel rim position of wheel rim, reach the purpose of increase rim structure intensity by the reinforcing bar of extra setting.
But, at wheel rim reinforcing bar is set, also need to increase the welding operation to reinforcing bar, increase the complexity of wheel rim manufacturing process, and influenced product appearance.
In sum, how under the prerequisite that improves rim structure intensity, can also reduce the complexity of wheel rim manufacturing process, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method and a kind of wheel rim of wheel rim, this wheel rim adopts this method to make, and reduces the complexity of wheel rim manufacturing process, enhances productivity.
The invention provides a kind of manufacture method of wheel rim, comprise step:
S1, to rolling up circle for the manufacture of the raw MAT'L of wheel rim, upsetting flatly, and by welding process the raw MAT'L butt welding is formed elementary wheel rim;
S2, form secondary wheel rim, described elementary wheel rim is carried out the enlarging operation form secondary wheel rim, and described secondary wheel rim is carried out three contour roll formings form arc at the edge of described secondary wheel rim pre-crimping;
S3, three grades of wheel rims of formation carry out the expanding operation to secondary wheel rim and form three grades of wheel rims, then described three grades of wheel rims are carried out contour roll forming again, and are formed with the crimping of round tube shape structure design at the edge of described three grades of wheel rims.
By above-mentioned steps, owing to also be formed with the structure design of pipe shape at the edge of wheel rim, improved the structural strength of wheel rim.In addition, the manufacture method of wheel rim provided by the invention, owing to directly just can reach the purpose that improves rim structure intensity by the contour roll forming operation, in prior art, also need to increase reinforcing bar, and reinforcing bar is welded in manufacturing process on the wheel rim, the manufacture method of wheel rim provided by the invention namely can effectively improve the structural strength of wheel rim, and its manufacturing process is comparatively simple simultaneously.
The invention provides a kind of wheel rim, include the wheel rim main body, the edge of wheel rim main body is provided with the crimping of round tube shape structure design.In the present invention, this crimping is rim structure of the prior art, and the wheel rim that designs for round tube shape structure has higher structural strength, can increase the bulk strength of wheel rim.
And wheel rim provided by the invention is provided with the crimping that round tube shape structure designs at the edge of wheel rim main body, do not need welded reinforcement again, thereby has reached the purpose that reduces wheel rim manufacturing process complexity under the prerequisite that improves rim structure intensity.
Description of drawings
Fig. 1 is the diagram of circuit of the manufacture method of wheel rim in an embodiment of the present invention;
Fig. 2 is the structural representation of wheel rim in an embodiment of the present invention;
The corresponding relation of component names and Reference numeral is among Fig. 2:
Wheel rim main body 1; Crimping 2.
The specific embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the diagram of circuit of the manufacture method of wheel rim in an embodiment of the present invention; Fig. 2 is the structural representation of wheel rim in an embodiment of the present invention.
The invention provides a kind of manufacture method of wheel rim, be used for the manufacturing of automobile rim.In the present invention, this manufacture method comprises step:
S1, form elementary wheel rim, to rolling up circle for the manufacture of the raw MAT'L of wheel rim, upsetting flatly, and by welding process the raw MAT'L butt welding is formed elementary wheel rim.
Make in the step of elementary wheel rim at S1, raw MAT'L for the manufacture of wheel rim is rolled up circle, make raw MAT'L form a tubular structure design, and adopt flat processing of upsetting to make raw-material structure, size close with the wheel rim finished product (forming a blank, so that follow-up processing processing).
By above-mentioned steps, owing to also be formed with the structure design of pipe shape at the edge of wheel rim, improved the structural strength of wheel rim too.
In addition, the manufacture method of wheel rim provided by the invention, owing to directly just can reach the purpose that improves rim structure intensity by the contour roll forming operation, in prior art, also need to increase reinforcing bar, and reinforcing bar is welded in manufacturing process on the wheel rim, the manufacture method of wheel rim provided by the invention namely can effectively improve the structural strength of wheel rim, and its manufacturing process is comparatively simple simultaneously.
S2, form secondary wheel rim, elementary wheel rim is carried out the enlarging operation form secondary wheel rim, and secondary wheel rim is carried out three contour roll formings form arc at the edge of secondary wheel rim pre-crimping.
After by welding raw material being made elementary wheel rim, in step S2 elementary wheel rim has been carried out the enlarging operation, its purpose is: make elementary wheel rim expand, thereby be convenient to the formation of pre-crimping, make the middle body of wheel rim form depression simultaneously, guarantee the stable installation of tire.
In step S2, make elementary wheel rim form secondary wheel rim by elementary wheel rim being carried out the enlarging operation; Then, secondary wheel rim is carried out three contour roll forming operations.
The concrete technology of contour roll forming operation is: carry out contour roll forming at the two ends of secondary wheel rim (edge of opening part) by mould and handle, form the pre-crimping (pre-crimping is used to form pipe shape crimping) of arc by three contour roll formings at the edge of secondary wheel rim.
S3, three grades of wheel rims of formation carry out the expanding operation to secondary wheel rim and form three grades of wheel rims, then three grades of wheel rims are carried out contour roll forming again, and are formed with the crimping of round tube shape structure design at the edge of three grades of wheel rims.
In the contour roll forming operation of three grades of wheel rims, can realize the reinforcement of wheel rim full circle, than the technology of welded reinforcement, work efficiency improves greatly.The contour roll forming operation only needs 10 seconds/part, and welded reinforcement technology is then comparatively complicated.
Secondary wheel rim is carried out expanding, make the whole expanding of whole secondary wheel rim to finished size form three grades of wheel rims; Three grades of wheel rims are carried out contour roll forming at this, by the contour roll forming mould, form the crimping of round tube shape structure design at the edge of three grades of wheel rims.In step S3, the contour roll forming operation mainly is the pre-crimping that forms among the step S2 to be carried out contour roll forming handle, and makes pre-crimping form the crimping of final round tube shape structure.
By the circular rim product that above-mentioned three steps form, have following having a few: the raw material that will make wheel rim adds greatly full circle shape from semicircle, can effectively increase the structural strength of wheel rim; Behind expanding, carry out contour roll forming processing again, make the intensity ratio at wheel rim place add 80% originally, and need not pass through secondary welding again, guarantee the reinforcement moulding of wheel rim, significantly improved the dynamic balance performance of wheel rim self.
Particularly, in order to reduce the complexity of contour roll forming technology each time, in the present embodiment, S3 has made restriction to step: include twice contour roll forming operation in step S3 at least.By increasing the number of times of contour roll forming operation, can reduce the deformation extent of contour roll forming each time, so not only can reduce the complexity of a contour roll forming, in the time of can also reducing simultaneously contour roll forming operation each time, the deflection of member (three grades of wheel rims in the processing) diminishes, can effectively improve the degree of uniformity of member deformation quantity, avoid the thin excessively situation of finished product wheel rim local thickness to occur, improve the properties of product of product.
In an embodiment of the invention, between step S1 and step S2, also include step S1.1, dig rolling cut and handle, to elementary wheel rim dig, roll, cutting process handles, and carries out artificial sanding operation then.By increasing step S1.1, can reduce the roughness of elementary rim surface.
Particularly, the present invention also comprises step S4, valve hole after step S3, and three grades of wheel rims are carried out air tight test, forms the wheel rim finished product in three grades of wheel rim upper punch valve ports.
Particularly, step S4 specifically comprises:
Step S4.1, air tight test carry out air tight test to three grades of wheel rims;
Step S4.2, valve hole are in three grades of wheel rim upper punch valve ports;
Step S4.3, chamfered are carried out chamfered to the valve port of offering on three grades of wheel rims.
In the above-described embodiments, specifically adopt flat welding process that the raw MAT'L of making wheel rim is welded to the welding of raw material.
The invention provides a kind of wheel rim, adopt said method to make.
In wheel rim provided by the invention, the improvement emphasis is: at the edge of wheel rim main body 1 crimping 2 is set.
Particularly, wheel rim provided by the invention includes wheel rim main body 1, and the edge of wheel rim main body 1 is provided with the crimping 2 of round tube shape structure design.In the present invention, this crimping 2 is rim structure of the prior art, the wheel rim that designs for round tube shape structure has higher structural strength (than the wheel rim of available technology adopting schistose texture), can increase the bulk strength of wheel rim, reduce the risk of tire moment gas leakage, improve safety in utilization of the present invention.
And wheel rim provided by the invention is provided with the crimping that round tube shape structure designs at the edge of wheel rim main body, do not need welded reinforcement again, thereby has reached the purpose that reduces wheel rim manufacturing process complexity under the prerequisite that improves rim structure intensity.
Need to prove that wheel rim provided by the invention is when the wheel rim main body forms crimping, can adopt contour roll forming technology to form, it is than additionally arranging reinforcing bar and reinforcing bar being welded in technology on the wheel rim, and its structural strength of wheel rim provided by the invention is higher, and manufacturing process is simple.
Particularly, in order further to improve mechanism's intensity of wheel rim, in the present embodiment, wheel rim main body 1 designs for integral structure with crimping 2.
Wheel rim provided by the invention, wheel rim main body 1 are provided with the crimping 2 of pipe shape, can improve the structural strength of wheel rim.Simultaneously, can form this crimping 2 structures in the direct roll extrusion of the manufacturing process of wheel rim by contour roll forming technology, make crimping 2 and wheel rim main body 1 be integral structure, avoid occurring connecting the slit, further improve the structural strength of wheel rim.
Particularly, the width of crimping 2 is: 18mm to 48mm; The height of crimping 2 is: 18mm to 38mm.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the manufacture method of a wheel rim is characterized in that, comprising:
Step 1, to rolling up circle for the manufacture of the raw MAT'L of wheel rim, upsetting flatly, and by welding process the raw MAT'L butt welding is formed elementary wheel rim;
Step 2, described elementary wheel rim is carried out enlarging operation form secondary wheel rim, and described secondary wheel rim is carried out three contour roll formings form arc at the edge of described secondary wheel rim pre-crimping;
Step 3, described secondary wheel rim is carried out expanding operation form three grades of wheel rims, then described three grades of wheel rims are carried out contour roll forming again, and be formed with the crimping of round tube shape structure design at the edge of described three grades of wheel rims.
2. the manufacture method of wheel rim according to claim 1 is characterized in that, includes twice contour roll forming operation in described step 3 at least.
3. the manufacture method of wheel rim according to claim 1 is characterized in that, between described step 1 and described step 2, also include step 1.1, to described elementary wheel rim dig, roll, cutting process handles, and carries out artificial sanding operation then.
4. the manufacture method of wheel rim according to claim 1 is characterized in that, also comprises step 4 after described step 3, described three grades of wheel rims are carried out air tight test, forms the wheel rim finished product in described three grades of wheel rim upper punch valve ports.
5. the manufacture method of wheel rim according to claim 4 is characterized in that, described step 4 specifically comprises:
Step 4.1, described three grades of wheel rims are carried out air tight test;
Step 4.2, in described three grades of wheel rim upper punch valve ports;
Step 4.3, the valve port of offering on described three grades of wheel rims is carried out chamfered.
6. according to the manufacture method of each described wheel rim of claim 1 to 5, it is characterized in that, adopt flat welding process that the raw MAT'L of making wheel rim is carried out butt welding.
7. a wheel rim is characterized in that, adopts and makes as the manufacture method of each described wheel rim of claim 1 to 6;
Described wheel rim includes the wheel rim main body, and the edge of described wheel rim main body is provided with the crimping of round tube shape structure design.
8. wheel rim according to claim 7 is characterized in that, described wheel rim main body and described crimping design for integral structure.
9. wheel rim according to claim 8 is characterized in that, the width of described crimping is: 18mm to 48mm; The height of described crimping is: 18mm to 38mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102188222A CN103273800A (en) | 2013-06-04 | 2013-06-04 | Rim and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102188222A CN103273800A (en) | 2013-06-04 | 2013-06-04 | Rim and production method thereof |
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| CN103273800A true CN103273800A (en) | 2013-09-04 |
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| CN2013102188222A Pending CN103273800A (en) | 2013-06-04 | 2013-06-04 | Rim and production method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053949A (en) * | 2016-12-29 | 2017-08-18 | 胡爱君 | A kind of wheel with 15 ° of DC wheel rims of new generation |
| CN107695617A (en) * | 2017-08-22 | 2018-02-16 | 安徽汇泰车轮有限公司 | A kind of steel rim manufacture method |
| CN108162680A (en) * | 2018-01-31 | 2018-06-15 | 连云港华鼎车轮有限公司 | A kind of manufacture system of special type wheel rim, special type wheel rim and its manufacturing method |
| CN109759803A (en) * | 2019-03-29 | 2019-05-17 | 无锡锐力金属制品有限公司 | A kind of spinning vacuum tyre wheel rim and its manufacture craft |
| CN110315287A (en) * | 2019-06-14 | 2019-10-11 | 厦门日上集团股份有限公司 | A kind of hub manufacturing technology |
| CN113665291A (en) * | 2021-08-10 | 2021-11-19 | 东风汽车底盘系统有限公司 | Wheel rim and processing technology thereof |
| CN113977197A (en) * | 2021-10-28 | 2022-01-28 | 东风汽车车轮随州有限公司 | Chamfering process and die for inner rim and outer rim of steel wheel |
| CN114654170A (en) * | 2022-03-21 | 2022-06-24 | 张家港今日精锻有限公司 | Method for forming cantilever beam type steel wheel rim |
Citations (5)
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| JP2003275837A (en) * | 2002-03-22 | 2003-09-30 | Chuo Motor Wheel Co Ltd | Method for manufacturing wheel rim of car |
| CN201099140Y (en) * | 2007-11-27 | 2008-08-13 | 阿不都西库尔·阿不都热依木 | Tyre protecting vehicle wheel |
| CN202225679U (en) * | 2011-08-30 | 2012-05-23 | 山东兴民钢圈股份有限公司 | Inner tyre-free rim with high-strength wheel rim flanges |
| CN102649210A (en) * | 2011-02-24 | 2012-08-29 | 宝山钢铁股份有限公司 | Manufacturing method additionally provided with spinning working procedure for light-weight wheel rim |
| JP2013052442A (en) * | 2011-08-10 | 2013-03-21 | Topy Industries Ltd | Method of manufacturing wheel rim of vehicle |
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| JP2003275837A (en) * | 2002-03-22 | 2003-09-30 | Chuo Motor Wheel Co Ltd | Method for manufacturing wheel rim of car |
| CN201099140Y (en) * | 2007-11-27 | 2008-08-13 | 阿不都西库尔·阿不都热依木 | Tyre protecting vehicle wheel |
| CN102649210A (en) * | 2011-02-24 | 2012-08-29 | 宝山钢铁股份有限公司 | Manufacturing method additionally provided with spinning working procedure for light-weight wheel rim |
| JP2013052442A (en) * | 2011-08-10 | 2013-03-21 | Topy Industries Ltd | Method of manufacturing wheel rim of vehicle |
| CN202225679U (en) * | 2011-08-30 | 2012-05-23 | 山东兴民钢圈股份有限公司 | Inner tyre-free rim with high-strength wheel rim flanges |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053949A (en) * | 2016-12-29 | 2017-08-18 | 胡爱君 | A kind of wheel with 15 ° of DC wheel rims of new generation |
| CN107695617A (en) * | 2017-08-22 | 2018-02-16 | 安徽汇泰车轮有限公司 | A kind of steel rim manufacture method |
| CN108162680A (en) * | 2018-01-31 | 2018-06-15 | 连云港华鼎车轮有限公司 | A kind of manufacture system of special type wheel rim, special type wheel rim and its manufacturing method |
| CN108162680B (en) * | 2018-01-31 | 2024-03-12 | 连云港华鼎车轮有限公司 | Rim manufacturing system, rim and manufacturing method thereof |
| CN109759803A (en) * | 2019-03-29 | 2019-05-17 | 无锡锐力金属制品有限公司 | A kind of spinning vacuum tyre wheel rim and its manufacture craft |
| CN110315287A (en) * | 2019-06-14 | 2019-10-11 | 厦门日上集团股份有限公司 | A kind of hub manufacturing technology |
| CN113665291A (en) * | 2021-08-10 | 2021-11-19 | 东风汽车底盘系统有限公司 | Wheel rim and processing technology thereof |
| CN113977197A (en) * | 2021-10-28 | 2022-01-28 | 东风汽车车轮随州有限公司 | Chamfering process and die for inner rim and outer rim of steel wheel |
| CN114654170A (en) * | 2022-03-21 | 2022-06-24 | 张家港今日精锻有限公司 | Method for forming cantilever beam type steel wheel rim |
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Application publication date: 20130904 |
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