CN108393411B - Manufacturing method of vehicle body side plate - Google Patents
Manufacturing method of vehicle body side plate Download PDFInfo
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- CN108393411B CN108393411B CN201710065791.XA CN201710065791A CN108393411B CN 108393411 B CN108393411 B CN 108393411B CN 201710065791 A CN201710065791 A CN 201710065791A CN 108393411 B CN108393411 B CN 108393411B
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- component
- vehicle body
- body side
- manufacturing
- flanging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to the technical field of vehicle manufacturing, in particular to a manufacturing method of a vehicle body side plate. The invention provides a method for manufacturing a vehicle body side panel, which manufactures the vehicle body side panel by jointing an upper frame part, a middle pillar part and a lower frame part, wherein the upper frame part comprises a roof side rail part and a rear plate part connected with the roof side rail part, the roof side rail part comprises a first component, a second component and a third component which are connected in sequence, the first component, the second component and the third component are all provided with flanges, and the flange angles of the flanges of the first component, the second component and the third component are the same. According to the flanging die, the flanging angles of the first component, the second component and the third component are set to be the same, and the flanging operation can be realized only by one stamping flanging die, so that the process is simple and convenient, the production cost is greatly saved, the economy is good, and meanwhile, the production efficiency is favorably improved; in addition, the transition performance of the joint among the first component, the second component and the third component is good, the structural stability is good, and the appearance is improved.
Description
Technical Field
The invention relates to the technical field of vehicle manufacturing, in particular to a manufacturing method of a vehicle body side plate, and particularly relates to a manufacturing method of a vehicle body side plate, which can save production cost and effectively improve production efficiency.
Background
Press working is widely used because it can produce products of various shapes by a relatively simple process. In the automobile industry requiring mass production, how to effectively improve the production efficiency of stamping parts and reduce the production cost is a hot point problem.
As shown in fig. 1 to 5, the conventional vehicle body side panel structure mainly includes an upper frame portion, a middle pillar portion, and a lower frame portion, each of the upper frame portion, the middle pillar portion, and the lower frame portion is formed of a sheet material such as a cold-rolled steel sheet, and a plurality of sheet materials are sequentially joined to constitute a vehicle body side panel. The roof side rail part 4 in the upper frame part is formed by joining three sections, namely, the roof side rail part comprises a first part, a second part and a third part, in order to facilitate welding and installation, the first part, the second part and the third part are required to be subjected to flanging operation, and flanging formability and forming precision not only influence the spliced appearance, but also directly influence the structural strength and stability of the assembled whole vehicle. Because the flanging angle 1 of the existing first component, the flanging angle 2 of the second component and the flanging angle 3 of the third component are different, three different stamping and flanging dies CAM are needed for flanging and forming operations, namely CAM1, CAM2 and CAM3, so that the production cost is high and the operation steps are multiple; in addition, because the flanging angles of the three components are different, the butt joint is difficult, the time is long, steps are arranged at the joint of every two parts during the joint, the appearance is poor, and the structural stability of the whole side plate of the vehicle body is not improved.
Disclosure of Invention
Technical problem to be solved
The purpose of the invention is: the manufacturing method of the vehicle body side plate can save production cost and effectively improve production efficiency, and solves the problems of high production cost, low production efficiency and poor appearance in the conventional manufacturing process of the vehicle body side plate.
(II) technical scheme
In order to solve the above-described problems, the present invention provides a method of manufacturing a vehicle body side panel by joining an upper frame portion, a middle pillar portion, and a lower frame portion, the method comprising: the roof side rail portion comprises a first component, a second component and a third component which are connected in sequence, the first component, the second component and the third component are all provided with flanges, and the flange angles of the flanges of the first component, the second component and the third component are the same.
The first component, the second component and the third component are formed through punching by the same punching flanging die.
The stamping flanging die comprises a punch head corresponding to the angle of the flanging angle, a punching groove is arranged below the punch head, and a die holder matched with the punch head is arranged in the punching groove.
Wherein the step of processing the roof rail section comprises: drawing a raw material metal plate into a longitudinal beam shape, trimming the workpiece drawn into the longitudinal beam shape, and finally flanging the trimmed workpiece through the stamping flanging die.
Wherein the first member, the second member and the third member are integrally formed.
Wherein the first, second and third members are made of cold-rolled steel sheets.
(III) advantageous effects
The technical scheme of the invention has the following advantages: the invention provides a method for manufacturing a vehicle body side panel, which manufactures the vehicle body side panel by jointing an upper frame part, a middle pillar part and a lower frame part, wherein the upper frame part comprises a roof side rail part and a rear plate part connected with the roof side rail part, the roof side rail part comprises a first component, a second component and a third component which are connected in sequence, the first component, the second component and the third component are all provided with flanges, and the flange angles of the flanges of the first component, the second component and the third component are the same. According to the flanging operation method, the flanging angles of the flanges of the first component, the second component and the third component are set to be the same, the flanging operation can be realized only by one stamping flanging die, the process is simple and convenient, the phenomenon that the flanging operation can be realized only by three stamping flanging dies in the traditional mode is avoided, the production cost is greatly saved, the economy is good, and meanwhile, the production efficiency is favorably improved; in addition, the turned corners of the first component, the second component and the third component are the same, the transition performance of the joint between the first component, the second component and the third component is good, the structural stability of the whole vehicle body side plate is improved, and meanwhile, the appearance performance is favorably improved.
Drawings
FIG. 1 is a schematic view of a prior art body side panel construction;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the area B in FIG. 1;
FIG. 4 is an enlarged view of a portion of the area C of FIG. 1;
FIG. 5 is a schematic structural view of a roof side rail section formed by three stamping and flanging dies according to the prior art;
FIG. 6 is a schematic structural view of a vehicle body side panel according to an embodiment of a method of manufacturing a vehicle body side panel according to the present invention;
FIG. 7 is an enlarged view of a portion of the area D in FIG. 6;
FIG. 8 is an enlarged view of a portion of area E of FIG. 6;
FIG. 9 is an enlarged view of a portion of the area F in FIG. 6;
fig. 10 is a schematic structural view of the first member, the second member, and the third member formed by using one press-flanging die according to the embodiment of the method for manufacturing a vehicle body side panel of the present invention.
In the figure: 1. 2, 3: turning corners; 4: a roof rail section; 5: a first corner-turning corner; 6: a second corner turnover; 7: and a third corner turnover angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 6 to 10, an embodiment of the present invention provides a method of manufacturing a vehicle body side panel by joining an upper frame portion, a center pillar portion, and a lower frame portion, the upper frame portion including a roof side rail portion 4 and a rear plate portion connected to the roof side rail portion 4, the roof side rail portion 4 including a first member, a second member, and a third member connected in this order, the first member, the second member, and the third member each having a burring, and burring angles of the burring of the first member, the second member, and the third member being the same. For convenience of description, in the present embodiment, the turned edge corner of the turned edge of the first component is a first turned edge corner 5, the turned edge corner of the turned edge of the second component is a second turned edge corner 6, and the turned edge corner of the turned edge of the third component is a third turned edge corner 7; the angles of the first flanging corner 5, the second flanging corner 6 and the third flanging corner 7 are set to be the same, flanging operation can be realized only by one stamping flanging die, the production efficiency is high, the problem that three stamping flanging dies are required to operate due to the fact that the three flanging corners are different in the traditional operation is solved, the production cost is greatly saved, and the economical efficiency is greatly improved; meanwhile, the angles of the first turned corner 5, the second turned corner 6 and the third turned corner 7 are set to be the same, so that no step phenomenon exists at the joint among the first component, the second component and the third component, the transition performance is good, the structural stability of the whole vehicle body side plate is improved, the appearance is good, and the consumer experience is improved.
Specifically, the first component, the second component and the third component are formed through the same punching flanging die in a punching mode. The first component, the second component and the third component are sequentially punched and formed by one punching flanging die; still include first part, second part and third part through the stamping forming simultaneously of three the same punching press turn-ups mould, wherein, for further improvement production efficiency, three the same punching press turn-ups mould also can be integrated in an organic whole to stamping forming simultaneously to first part, second part and third part.
Specifically, the stamping flanging die comprises a punch head corresponding to the angle of the flanging angle, a punching groove is arranged below the punch head, and a die holder matched with the punch head is arranged in the punching groove. In order to further save labor and improve the processing efficiency, the punch can be driven by the motor to perform flanging operation on the first component, the second component and the third component.
Specifically, the processing steps of the roof rail section 4 include: drawing a raw material metal plate into a longitudinal beam shape, trimming a workpiece drawn into the longitudinal beam shape, and finally flanging the trimmed workpiece through a stamping flanging die.
In this embodiment, the raw metal plate is first drawn into a side rail shape, and a product drawn into the side rail shape is trimmed, and finally, the first member, the second member, and the third member are simultaneously subjected to a burring operation by three press burring dies integrated in one body, and the roof side rail portion 4 is finally formed.
In addition to the above, after trimming a product drawn into a side rail shape, the first member, the second member, and the third member may be sequentially subjected to a burring operation by one press-burring die to finally form the roof side rail portion 4.
The specific processing steps can be selected correspondingly according to actual implementation conditions.
Preferably, the first, second and third members are integrally formed to improve the productivity and overall structural stability of the roof rail.
Preferably, the first member, the second member and the third member are made of cold-rolled steel sheets. The cold-rolled steel plate has good surface quality and high dimensional precision, has good mechanical property and processing property by annealing treatment, and is convenient to process; meanwhile, the cold-rolled steel plate is high in strength, the structural strength and the stability of the whole side plate of the vehicle body are improved, and the safety of the whole vehicle is high.
As described above, the present invention provides a method of manufacturing a vehicle body side panel by joining an upper frame portion, a center pillar portion, and a lower frame portion, the upper frame portion including a roof side rail portion and a rear panel portion connected to the roof side rail portion, the roof side rail portion including a first member, a second member, and a third member connected in series, the first member, the second member, and the third member each having a flange, and the flange angles of the flanges of the first member, the second member, and the third member being the same. According to the flanging operation method, the flanging angles of the flanges of the first component, the second component and the third component are set to be the same, the flanging operation can be realized only by one stamping flanging die, the process is simple and convenient, the phenomenon that the flanging operation can be realized only by three stamping flanging dies in the traditional mode is avoided, the production cost is greatly saved, the economy is good, and meanwhile, the production efficiency is favorably improved; in addition, the turned corners of the first component, the second component and the third component are the same, the transition performance of the joint between the first component, the second component and the third component is good, the structural stability of the whole vehicle body side plate is improved, and meanwhile, the appearance performance is favorably improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A method for manufacturing a vehicle body side panel by joining an upper frame portion, a center pillar portion, and a lower frame portion, the method comprising: the roof side rail portion comprises a first component, a second component and a third component which are connected in sequence, the first component, the second component and the third component are all provided with flanges, and the flange angles of the flanges of the first component, the second component and the third component are the same.
2. The method of manufacturing a vehicle body side panel according to claim 1, characterized in that: the first component, the second component and the third component are formed through punching by the same punching flanging die.
3. The method of manufacturing a vehicle body side panel according to claim 2, characterized in that: the stamping flanging die comprises a punch head corresponding to the angle of the flanging angle, a punching groove is arranged below the punch head, and a die holder matched with the punch head is arranged in the punching groove.
4. The method of manufacturing a vehicle body side panel according to claim 3, wherein the step of processing the roof rail member includes: drawing a raw material metal plate into a longitudinal beam shape, trimming the workpiece drawn into the longitudinal beam shape, and finally flanging the trimmed workpiece through the stamping flanging die.
5. The method of manufacturing a vehicle body side panel according to claim 1, characterized in that: the first member, the second member and the third member are integrally formed.
6. The method of manufacturing a vehicle body side panel according to any one of claims 1 to 5, wherein: the first member, the second member and the third member are made of cold-rolled steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065791.XA CN108393411B (en) | 2017-02-06 | 2017-02-06 | Manufacturing method of vehicle body side plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065791.XA CN108393411B (en) | 2017-02-06 | 2017-02-06 | Manufacturing method of vehicle body side plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108393411A CN108393411A (en) | 2018-08-14 |
| CN108393411B true CN108393411B (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710065791.XA Active CN108393411B (en) | 2017-02-06 | 2017-02-06 | Manufacturing method of vehicle body side plate |
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| Country | Link |
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| CN (1) | CN108393411B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0938733A (en) * | 1995-07-28 | 1997-02-10 | Hokuto Kk | Hemming press apparatus |
| CN1608923A (en) * | 2003-10-20 | 2005-04-27 | 三菱自动车工业株式会社 | Coupling structure of vehicle body parts |
| CN204093942U (en) * | 2014-08-07 | 2015-01-14 | 北汽福田汽车股份有限公司 | Vehicle rail shaping dies |
| CN205168652U (en) * | 2015-11-20 | 2016-04-20 | 一汽通用红塔云南汽车制造有限公司 | Wholly become light truck floor front longitudinal of pattern |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7290831B2 (en) * | 2006-04-06 | 2007-11-06 | Gm Global Technology Operations, Inc. | Vehicle with layered roof build |
-
2017
- 2017-02-06 CN CN201710065791.XA patent/CN108393411B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0938733A (en) * | 1995-07-28 | 1997-02-10 | Hokuto Kk | Hemming press apparatus |
| CN1608923A (en) * | 2003-10-20 | 2005-04-27 | 三菱自动车工业株式会社 | Coupling structure of vehicle body parts |
| CN204093942U (en) * | 2014-08-07 | 2015-01-14 | 北汽福田汽车股份有限公司 | Vehicle rail shaping dies |
| CN205168652U (en) * | 2015-11-20 | 2016-04-20 | 一汽通用红塔云南汽车制造有限公司 | Wholly become light truck floor front longitudinal of pattern |
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| Publication number | Publication date |
|---|---|
| CN108393411A (en) | 2018-08-14 |
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