CN109175093A - A kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process - Google Patents
A kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process Download PDFInfo
- Publication number
- CN109175093A CN109175093A CN201810955892.9A CN201810955892A CN109175093A CN 109175093 A CN109175093 A CN 109175093A CN 201810955892 A CN201810955892 A CN 201810955892A CN 109175093 A CN109175093 A CN 109175093A
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- Prior art keywords
- face
- tail portion
- shaping
- top cover
- section line
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/12—Straightening vehicle body parts or bodies
-
- 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
- B21D25/00—Working sheet metal of limited length by stretching, e.g. for straightening
Abstract
It include drawing operation and trimming the present invention relates to a kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process；It by Sheet Metal Forming Technology in the technical program and corresponding stamping die, solves that three face delivery position ball angle of SUV, MPV vehicle top cover outside plate tail portion is easy to crack and the quality problems of the two easy stacks of facade delivery position, improves component assembly matching and vehicle body precision；It avoids convex-concave model surface wear caused by stamping process corrugation, stack fast, improves die life.
Description
Technical field
The invention belongs to vehicle manufacturing technology fields, particularly relate to a kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking
Treatment process.
Background technique
Automobile body-in-white is mainly made of metal plate punching part welded connecting, therefore face quality, the precision of stamping parts single-piece
Quality (face poor, seam allowance, hole) has a direct impact vehicle precision and quality.Stamping parts single-piece will meet index request in addition to precision
Outside, appearance quality requires also not allow to have cracking, corrugation, stack, plucking, recess, bulge and other issues, especially
It is that outer covering piece quality requirement is higher.
As depicted in figs. 1 and 2, the position usually angle of falling ball of three face of SUV, MPV vehicle top cover outside plate tail portion handover is handled, but
Since top cover overall dimensions are larger, tail portion drawing depth is big, often will appear cracking, and two at the ball angle of three face delivery positions
Easily there is stack problem in the fillet of facade junction, seriously affects product quality.Especially top cover outside plate is covered as outside vehicle body
Part requires sperm quality higher.
Often occur cracking at ball angle in order to overcome the problems, such as three face delivery position of top cover outside plate tail portion or stack, existing skill
Art is by changing the moulding of product part, and the ball angle of three faces of amplification handover increases and inhales the realizations such as wrinkle feature convex closure moulding, still
More reworked is and to increase to sacrifice the original feature of product as condition and inhale wrinkle feature, may be relevant with part Assembly part
It relates to.
Summary of the invention
The object of the present invention is to provide a kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process, to solve
Certainly three face delivery position ball angle of SUV, MPV vehicle top cover outside plate tail portion is easy to crack and the quality of the two easy stacks of facade delivery position is asked
Topic.
It is another object of the present invention to solve tail portion wedge angle position corrugation stack, caused convex-concave model surface wear is fast, mould
Has the problem of service life reduces.
The present invention is achieved by the following technical solutions:
A kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process, comprising the following steps:
First step: drawing preform is formed after drawing,
The drawing tail portion face A fillet, the drawing tail portion face the A radius of corner are greater than the radius of the actual product tail portion face A fillet；
Drawing tail portion facade, the process complementary surface for preliminarily forming in drawing operation；
Drawing wedge angle transition face, for connecting the transition of tail portion Yu the side drawing tail portion face A fillet, drawing tail portion facade
Face, the drawing wedge angle transition face are tangent with the face of border respectively；
The drawing face of mistake, it is tangent with the drawing tail portion face A fillet；
The second step: trimming is formed after shaping,
The face shaping A fillet, after shaping with the tail portion fillet of the tangent connection in the face top cover A；
The drawing face of crossing is shaped as the tail portion transition shaping surface, including will be parallel to institute by tail portion transition shaping surface
It is equal to state shaping front and back section line arc length in the plane in the section XZ in drawing face；
Shaping nodularization face, the three face intersection location nodularization face of top cover tail portion after shaping, is by the drawing wedge angle transition face
It is obtained after shaping, and shaping nodularization face is product nodularization face；
Shaping facade intersection fillet, the hollows of tail portion side and tail portion facade intersection location, i.e. product facade after shaping
Intersection fillet.
The drawing face of crossing was that product napex product A face tangent line extends setting length, preferably 0.5-1mm.
It is equal to be parallel to shaping front and back section line arc length in the plane in the section XZ for crossing drawing face, as drawing part
XZ section line is equal with shaping part XZ section line；
Drawing partial cross section line is to need to carry out shaping realization at three face intersection location of top cover tail portion in first step
Section line of the process face in the plane for being parallel to XZ plane；
The shaping part XZ section line is to be realized at three face intersection location of top cover tail portion by shaping in the second step
Section line of the process face in the plane for being parallel to XZ plane.
After shaping, tail of product facade is only a part of the tail portion transition shaping surface.
Drawing part XY section line arc length in first step is greater than the arc of the shaping part XY section line in the second step
It is long.
The beneficial effects of the present invention are:
1, by Sheet Metal Forming Technology and corresponding stamping die in the technical program, SUV, MPV vehicle top cover outside plate tail are solved
Three face delivery position ball angle of portion is easy to crack and the quality problems of the two easy stacks of facade delivery position, improves component assembly matching
Property and vehicle body precision.
2, it avoids convex-concave model surface wear caused by stamping process corrugation, stack fast, improves die life.
Detailed description of the invention
Fig. 1 is top cover outer panel structure schematic diagram；
Fig. 2 is three face delivery position part-structure figure of top cover outside plate tail portion；
Fig. 3 is structural schematic diagram after the first step of top cover outside plate tail portion；
Fig. 4 is that three face delivery position first step of top cover outside plate tail portion and the second step moulding XZ cross-section comparison scheme；
Fig. 5 is that three face delivery position first step of top cover outside plate tail portion and the second step moulding XZ cross-section comparison are partially schematic
Figure；
Fig. 6 is three face delivery position first step of top cover outside plate tail portion and the second step moulding XZ cross-section comparison's partial enlargement
Schematic diagram；
Fig. 7 is top cover outside plate tail portion the second step shaping process structural schematic diagram；
Fig. 8 is that three face delivery position first step of top cover outside plate tail portion and the second step moulding XY cross-section comparison are partially schematic
Figure；
Fig. 9 is three face delivery position first step of top cover outside plate tail portion and the comparison signal of the second step moulding XY section line
Figure.
Description of symbols
00 product napex product face, 01 face tail of product A fillet, 02 tail of product facade, 03 product nodularization face, 04 product
Facade intersection fillet, the 11 drawing tail portion face A fillets, 12 drawing tail portion facades, 13 drawing wedge angle transition faces, 14 mistake drawing faces, 21
The face shaping A fillet, 22 shaping facades, 23 shaping nodularization faces, 24 shaping facade intersection fillets, a are parallel to the section line of XZ plane
A face tail edge (as shaping top edge line) at the top of top cover, b, which is parallel at the top of the section line top cover of XZ plane, crosses drawing face tail
Portion's edge line, c are parallel to the first sequence and the second sequence type face intersection (as shaping lower edge line) in the section line of XZ plane, and d is flat
Row is in the face section line the second sequence shaping A rounded lower edge line of XZ plane, abc drawing part XZ section line, adc shaping part XZ
Section line, XY-1 drawing part XY section line, XY-2 shaping part XY section line.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as this limitation to inventive technique scheme.
As shown in Figures 1 to 9, be to top cover outside plate in the application illustrated by three-dimensional coordinate, including along vehicle a left side
The X-axis of right direction, along the Z axis of vehicle up and down direction and along vehicle Y-axis in the front-back direction, therefore XZ plane is by X-axis and Z axis institute
The plane of formation, X/Y plane are the plane formed by X-axis and Y-axis.
In this application, the line that can contact in drawing operation and trimming includes four, respectively a, b, c and d,
Wherein a is to be parallel to A face tail edge (as shaping top edge line) at the top of the section line top cover of XZ plane；B is to be parallel to XZ
Drawing face tail edge line is crossed at the top of the section line top cover of plane；C is the first sequence and second in the section line for be parallel to XZ plane
Sequence type face intersection (as shaping lower edge line)；D is the face section line the second sequence shaping A rounded lower edge for being parallel to XZ plane
Line.
In this application, product top products face 00 is the exposed face of vehicle top tops.
The face tail of product A fillet 01 is that the position that the face A is intersected with tail portion moulding facade at the top of top cover product passes through rounded corner
Transition processing, the fillet of the transition are the face tail of product A fillet 01.
Tail of product facade 02 is exactly tail of product facade.
Product nodularization face 03 be tail of product wedge angle position top surface, side, three faces of tail portion facade handover position pass through
The moulding that spheroidising obtains.
Product facade intersection fillet 04 is product side facade and the hollows that tail portion facade intersection chamfering obtains.
Since top cover tail portion is shaped negative angle structures, depth is big and more moulding, and multi-process is needed to realize, and top cover tail portion wedge angle
Position mainly passes through two processes and realizes.
The technical program provides a kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process, including following step
It is rapid:
First step: drawing preform is formed after drawing,
The drawing tail portion face A fillet, drawing operation indulge the position that the face A is intersected with tail portion moulding at the top of top cover and pass through rounded corner mistake
Processing is crossed, the fillet of the transition is the drawing tail portion face A fillet 11, and the drawing tail portion face A radius of corner is greater than actual product tail portion A
The radius of face fillet.
Drawing tail portion facade, the process complementary surface for preliminarily forming in drawing operation.
Drawing wedge angle transition face, for connecting the mistake of tail portion and the side drawing tail portion face A fillet 11, drawing tail portion facade 12
Face is crossed, the drawing wedge angle transition face is tangent with the face of border respectively.Wherein, with the face A corner edge at the top of the product of certain vehicle
Line is reference, and length is about 50mm, side length of wagon direction in 13 tail portion vehicle-body width direction of drawing wedge angle transition face
Upper length is about 20mm, on the basis of shaping achievable, guarantees forming effect closer to the final moulding of product.
The drawing face of mistake, cross drawing face be product napex product A face tangent line extend setting length, preferably 0.5-1mm, with
The drawing tail portion face A fillet is tangent；That is ab sections of face in Fig. 6, it is tangent with the drawing tail portion face A fillet 11.By the way that drawing was arranged
The face top cover A mass effect can be effectively ensured in face 14.
The second step: trimming is formed after shaping,
The face shaping A fillet, after shaping with the tail portion fillet of the tangent connection in the face top cover A；The product-forming of the part is mainly
It is realized by drawing, two sequence of shaping, therefore the face the shaping A fillet 21 after shaping is the face product A fillet 01.
Tail portion transition shaping surface, since top cover tail portion is negative angle shaped larger, direct side shaping be cannot achieve, therefore second
The transition shaping of upper end is first carried out in process, i.e., such as Fig. 4, Fig. 5, Fig. 6, adc segment type shown in fig. 7 face.The moulding is by first
Drawing face abc shaping of crossing in process becomes adc segment type face.It is flat with the section XZ in parallel wherein to avoid forming corrugation, cracking
Section line abc arc length is equal with adc sections of arc length before and after shaping in face.
Tail of product facade 02 is only a part of tail portion transition shaping surface 22 after shaping.
Shaping nodularization face, the three face intersection location nodularization face of top cover tail portion after shaping, the position is by the drawing in drawing operation
It is obtained after prolonging 13 shaping of wedge angle transition face.In addition, since the product-forming of the part mainly passes through drawing, two sequence of shaping is realized,
Therefore the shaping nodularization face 23 after shaping is product nodularization face 03.
Shaping facade intersection fillet, the hollows of tail portion side and tail portion facade intersection location after shaping, due to the portion
The product-forming being divided to mainly passes through drawing, two sequence of shaping is realized, therefore the shaping facade intersection fillet 24 after shaping is to produce
Product facade intersection fillet 04.
Drawing part XZ section line abc be first step drawing operation in, needed at three face intersection location of top cover tail portion into
Section line of the process face that row shaping is realized in the plane for being parallel to XZ plane.
Shaping part XZ section line adc is in the second step trimming, by whole at three face intersection location of top cover tail portion
Section line of the process face that shape is realized in the plane for being parallel to XZ plane.
Drawing part XY section line XY-1 be first step drawing operation in, needed at three face intersection location of top cover tail portion into
Section line of the process face that row shaping is realized in the plane for being parallel to X/Y plane.
Shaping part XY section line XY-2 is in the second step trimming, by whole at three face intersection location of top cover tail portion
Section line of the process face that shape is realized in the plane for being parallel to X/Y plane.
Wherein, the drawing part XZ section line abc arc length in all first steps is equal to the shaping part in the second step
The arc length of XZ section line adc；Drawing part XY section line XY-1 arc length in all first steps is greater than whole in the second step
The arc length of shape part XY section line XY-2.
The scheme of top cover outside plate tail formation in this technology are as follows:
The moulding of top cover tail portion forms the drawing tail portion face A fillet 11 by draw forming in first step drawing die, draws
Prolong tail portion facade 12, drawing wedge angle transition face 13, cross drawing face 14, then passed through shaping in the second sequence and obtain R angular radius
The face lesser tail of product A fillet 01.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (5)
- Stack and cracking treatment process 1. a kind of automobile top cover tail portion wedge angle slope is wrinkled, which comprises the following steps:First step: drawing preform is formed after drawing,The drawing tail portion face A fillet, the drawing tail portion face the A radius of corner are greater than the radius of the actual product tail portion face A fillet；Drawing tail portion facade, the process complementary surface for preliminarily forming in drawing operation；Drawing wedge angle transition face should for connecting the transition face of tail portion and the side drawing tail portion face A fillet, drawing tail portion facade Drawing wedge angle transition face is tangent with the face of border respectively；The drawing face of mistake, it is tangent with the drawing tail portion face A fillet；The second step: trimming is formed after shaping,The face shaping A fillet, after shaping with the tail portion fillet of the tangent connection in the face top cover A；The drawing face of crossing is shaped as the tail portion transition shaping surface, including will be parallel to the mistake by tail portion transition shaping surface Section line arc length is equal before and after shaping in the plane in the section XZ in drawing face；Shaping nodularization face, the three face intersection location nodularization face of top cover tail portion after shaping, is by the drawing wedge angle transition face shaping After obtain, and shaping nodularization face is product nodularization face；Shaping facade intersection fillet, the hollows of tail portion side and tail portion facade intersection location, i.e. product facade intersection after shaping Fillet.
- Stack and cracking treatment process 2. automobile top cover according to claim 1 tail portion wedge angle slope is wrinkled, which is characterized in that institute Stating drawing face was that product napex product A face tangent line extends setting length, preferably 0.5-1mm.
- Stack and cracking treatment process 3. automobile top cover according to claim 1 tail portion wedge angle slope is wrinkled, which is characterized in that flat Row in section line arc length is equal before and after shaping in the plane in the section XZ for crossing drawing face, as drawing part XZ section line with Shaping part XZ section line is equal；Drawing partial cross section line is to need to carry out the work of shaping realization at three face intersection location of top cover tail portion in first step Section line of the sequence face in the plane for being parallel to XZ plane；The shaping part XZ section line is to pass through the process of shaping realization at three face intersection location of top cover tail portion in the second step Section line of the face in the plane for being parallel to XZ plane.
- Stack and cracking treatment process 4. automobile top cover according to claim 1 tail portion wedge angle slope is wrinkled, which is characterized in that whole After shape, tail of product facade is only a part of the tail portion transition shaping surface.
- Stack and cracking treatment process 5. automobile top cover according to claim 1 tail portion wedge angle slope is wrinkled, which is characterized in that the Drawing part XY section line arc length in one process is greater than the arc length of the shaping part XY section line in the second step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810955892.9A CN109175093B (en) | 2018-08-21 | 2018-08-21 | A kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process |
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| CN201810955892.9A CN109175093B (en) | 2018-08-21 | 2018-08-21 | A kind of automobile top cover tail portion wedge angle slope wrinkle stack and cracking treatment process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821949A (en) * | 2019-02-27 | 2019-05-31 | 赛科利（南京）汽车模具技术应用有限公司 | Pressure plate contour machining device and method at a kind of positive top-cross knife of mold |
| CN112453201A (en) * | 2020-10-30 | 2021-03-09 | 重庆至信实业集团有限公司 | Processing technology based on taillight flume assembly |
| CN112916707A (en) * | 2019-11-20 | 2021-06-08 | 上海赛科利汽车模具技术应用有限公司 | Part forming method for preventing vertical surface of stretching model from cracking and wrinkling |
| CN113118287A (en) * | 2020-01-16 | 2021-07-16 | 上海赛科利汽车模具技术应用有限公司 | New energy automobile battery box stamping forming process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011245534A (en) * | 2010-05-28 | 2011-12-08 | Toyota Motor Corp | Press die and method for manufacturing the same |
| CN104014692A (en) * | 2014-05-26 | 2014-09-03 | 通用模具工业（吴江）有限公司 | Process for solving wrinkling problem of metal plate with flanging edge based on finite element analysis |
| KR20150015928A (en) * | 2013-08-02 | 2015-02-11 | 주식회사 포스코 | Mold for hot pressforming and manufacturing mathod thereof |
| CN104416072A (en) * | 2013-09-05 | 2015-03-18 | 上海赛科利汽车模具技术应用有限公司 | Shaping die on headsill side of automobile side wall |
| CN206623745U (en) * | 2017-03-31 | 2017-11-10 | 长城汽车股份有限公司 | taillight mounting assembly and vehicle body |
| JP2018020349A (en) * | 2016-08-03 | 2018-02-08 | Ｊｆｅスチール株式会社 | Method for designing mold and method for manufacturing press molding |
-
2018
- 2018-08-21 CN CN201810955892.9A patent/CN109175093B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011245534A (en) * | 2010-05-28 | 2011-12-08 | Toyota Motor Corp | Press die and method for manufacturing the same |
| KR20150015928A (en) * | 2013-08-02 | 2015-02-11 | 주식회사 포스코 | Mold for hot pressforming and manufacturing mathod thereof |
| CN104416072A (en) * | 2013-09-05 | 2015-03-18 | 上海赛科利汽车模具技术应用有限公司 | Shaping die on headsill side of automobile side wall |
| CN104014692A (en) * | 2014-05-26 | 2014-09-03 | 通用模具工业（吴江）有限公司 | Process for solving wrinkling problem of metal plate with flanging edge based on finite element analysis |
| JP2018020349A (en) * | 2016-08-03 | 2018-02-08 | Ｊｆｅスチール株式会社 | Method for designing mold and method for manufacturing press molding |
| CN206623745U (en) * | 2017-03-31 | 2017-11-10 | 长城汽车股份有限公司 | taillight mounting assembly and vehicle body |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821949A (en) * | 2019-02-27 | 2019-05-31 | 赛科利（南京）汽车模具技术应用有限公司 | Pressure plate contour machining device and method at a kind of positive top-cross knife of mold |
| CN112916707A (en) * | 2019-11-20 | 2021-06-08 | 上海赛科利汽车模具技术应用有限公司 | Part forming method for preventing vertical surface of stretching model from cracking and wrinkling |
| CN113118287A (en) * | 2020-01-16 | 2021-07-16 | 上海赛科利汽车模具技术应用有限公司 | New energy automobile battery box stamping forming process |
| CN112453201A (en) * | 2020-10-30 | 2021-03-09 | 重庆至信实业集团有限公司 | Processing technology based on taillight flume assembly |
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