CN102814430B - Stamping method of top cover outer plate with skylight - Google Patents
Stamping method of top cover outer plate with skylight Download PDFInfo
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- CN102814430B CN102814430B CN201210288585.2A CN201210288585A CN102814430B CN 102814430 B CN102814430 B CN 102814430B CN 201210288585 A CN201210288585 A CN 201210288585A CN 102814430 B CN102814430 B CN 102814430B
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- top cover
- skylight
- cover outside
- outside plate
- processing method
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 210000003205 muscle Anatomy 0.000 claims description 30
- 238000003672 processing method Methods 0.000 claims description 17
- 230000000295 complement effect Effects 0.000 claims description 15
- 238000009966 trimming Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract 2
- 238000004080 punching Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 206010061619 Deformity Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012496 stress study Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Punching Or Piercing (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a stamping method of a top cover outer plate with a skylight; and the method belongs to the field of the manufacturing of automobile white sheet metal parts. The method comprises the following steps that (1) a trimmed mould surface is manufactured on the material of the top cover outer plate with the skylight; (2) the trimmed mould surface is shaped and trimmed; (3) the material of the top cover outer plate with the skylight is flanged and shaped; in the step (1), a process supplementing surface is arranged on the mould surface outside a flanged die line; a cylindrical bar and at least one step surface comprising a wave surface which is tangibly connected with the cylindrical bar and extends are arranged on the process supplementing surface, so that the material deformation resistance of the top cover outer plate with the skylight during a stamping process is increased, the flow rate of the material of the top cover outer plate with the skylight is uniform and the deformation is full, the control on rebounding is very effective; and consequently, the part quality is ensured, significant deformation which is produced in the stamping process of the top cover outer plate with the skylight and even the collapse problem are effective prevented.
Description
Technical field
The present invention relates to automobile body-in-white sheet metal component and manufacture field, particularly automotive field, the stamping processing method of the top cover outside plate with skylight.
Background technology
At present, along with the continuous progress of automobile industry, more and more higher to the requirement such as presentation quality, stock utilization of vehicle exterior cladding element, this just requires designer constantly to improve Design and manufacture technological level.In automobile body-in-white sheet metal component field, top cover exterior panel belongs to the category-A part in automobile panel, belongs to the core in the manufacture of body in white part, and it has the features such as shape is mild, hole is few, drawing depth is shallow, appearance requirement is strict.Particularly the top cover outside plate with skylight is in surface quality and the parts size precision at skylight place, if with skylight poor fit, will a series of problem such as leak, according to body in white functional requirement, above quality problems are difficult problems anxious to be resolved in technological design.
Find through investigation, in produced on-site, because the drawing depth of the top cover outside plate with skylight is shallow, shape is mild, and the stretch-draw at its skylight place is often insufficient; After punching, owing to participating in the effect of internal stress, the part at skylight place will subside, dimensional accuracy variation; When flange, due to front operation part deformation, profile has not been inconsistent the situation of shape, causes the part problem that further deforms.In addition, during due to flange, material shrinks and causes flange face injustice, further causes product size overproof, finally causes product quality defect to occur; Taking several top cover outside plates as example, simply describe below.
1. taking B14 top cover outside plate as example: part is taked first just to repair on processing arrangement, rear flange.The drawing of this process program product A face is insufficient, the internal stress relation producing due to drawing after deburring, product subsides seriously, so that after flange, causes product A facial disfigurement obvious, part maximum is subsided and is exceeded 3mm, is therefore difficult to ensure the card size of part and the quality of part.
2. taking S18 top cover outside plate as example: part is taked first just to repair on processing arrangement, rear flange.The drawing of this process program product A face is also insufficient, the internal stress relation producing due to drawing after deburring, product subsides seriously, so that after flange, causes product A facial disfigurement obvious, part maximum is subsided and is exceeded 2.5mm, is therefore difficult to ensure the card size of part and the quality of part.
By above-mentioned analysis, inventor finds that prior art at least exists following problem: the top cover outside plate with skylight, carrying out in Sheet Metal Forming Technology, easily produces obviously distortion, or even subsides, be difficult to ensure size and the part quality of product, this is just for a series of problem such as leak has been buried hidden danger.
Summary of the invention
Easily produce obviously distortion in order to solve the top cover outside plate with skylight in above-mentioned Sheet Metal Forming Technology, or even the problem of subsiding, the embodiment of the present invention provides a kind of stamping processing method of the top cover outside plate with skylight.Described technical scheme is as follows:
On the one hand, provide a kind of stamping processing method of the top cover outside plate with skylight, it comprises step 1: the plate of the top cover outside plate with skylight is made to deburring die face; Step 2: deburring die face is carried out to shaping deburring; Step 3: the plate to the top cover outside plate with skylight carries out flanging and restriking; In step 1, also in the die face beyond flange die parting line, process complementary surface is set; Process complementary surface is provided with a cylinder muscle and is connected and the wavy surface of extension with cylinder muscle is tangent.
Further, process complementary surface at flange die parting line to the position between the trimming line of plate, and process complementary surface also comprises extended surface and the plane joining with trimming line of being extended by the face border of plate, and cylinder muscle is connected with extended surface, and plane is tangentially connected with wavy surface.
Further, wavy surface comprises the first paragraph circular arc circumscribed with cylinder muscle and the second segment circular arc with first paragraph circular arc inscribe, and plane and second segment circular arc are tangent.
Further, plane is by extending with the tangent inclined position of second segment circular arc, and plane and trimming line intersection are 1mm to the distance of extended surface place plane.
Further, the straight line at the place, the center of circle of cylinder muscle is 5mm to the distance between the original position of plane.
Further, the radius of first paragraph circular arc is 1.5mm; The radius of second segment circular arc is 6mm.
Further, extended surface is by flange die parting line along extending in skylight with A face direction tangential, and the distance of place, center of circle straight line that plays cylinder muscle from flange die parting line is in 10mm.
Further, the distance that plays place, the center of circle straight line of cylinder muscle from flange die parting line is 8mm.
Further, in step 2, carry out shaping deburring with reshaping device; And the trimming edge height of reshaping device exceeds dressing blade piece 7mm, wherein, dressing blade is soon for extruding the cutter piece of cylinder muscle.
Further, in described step 3, carry out flanging and restriking with standard flange body.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: overcomes the top cover outside plate with skylight in Sheet Metal Forming Technology and easily produced obviously distortion, or even the problem of subsiding.Particularly, the stamping processing method of the top cover outside plate with skylight of the present invention is provided with at least one step surface of cylinder muscle and wavy surface composition at process complementary surface, increase the sheet metal deformation resistance of the top cover outside plate with skylight in punching course, allow the plate flowing velocity of the top cover outside plate with skylight evenly and fully be out of shape, can be very useful to controlling bounce-back, thereby ensure part quality, obviously distortion or even the problem of subsiding are effectively prevented from producing in the punching course of the top cover outside plate with skylight.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of the stamping processing method of the top cover outside plate with skylight that provides of the embodiment of the present invention;
Fig. 2 is the part-structure schematic diagram of the plate of the top cover outside plate with skylight that provides of the embodiment of the present invention; And
Fig. 3 is the cross-sectional schematic along line A-A in Fig. 2.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
The embodiment of the present invention provides a kind of stamping processing method of the top cover outside plate with skylight, and it comprises the following steps:
Step 1 S1: the plate 5 to the top cover outside plate with skylight is made deburring die face, and making in the process of deburring die face at the plate 5 of the top cover outside plate to skylight, the upper manufacture craft of die face (being on the drawing face between waste material and shape of product face) beyond flange die parting line b is supplemented face 1, and on process complementary surface 1, is formed with at least one step surface.Particularly: process complementary surface 1 at flange die parting line b to the position between trimming line c.Process complementary surface 1 comprise from the A face border of the plate 5 of the top cover outside plate with skylight (be the crossing flange die parting line in the flange place of A face and product b) along the extended surface 11 extending toward interior (: in skylight) with A face direction tangential, at least one the cylinder muscle 13 arranging with extended surface 11 intersections, the wavy surface 15 being extended towards trimming line c by cylinder muscle 13 and extend to the plane 17 being connected with trimming line c by wavy surface 15 inclinations.Extended surface 11 plays the distance of place, center of circle straight line of cylinder muscle 13 in 10mm from flange die parting line b, be preferably 8mm.Preferably, the inside about 3mm of shaping die parting line d place starts to arrange cylinder muscle 13, and the diameter of cylinder muscle 13 is 4mm, and arc height between the outer peripheral face of cylinder muscle 13 and the plane at extended surface 11 places is 1.5mm (being that cylinder muscle 13 is 1.5mm with respect to the degree of depth of the plane at extended surface 11 places).Wavy surface 15 comprises the first paragraph circular arc 151 circumscribed with cylinder muscle 13 and the second segment circular arc 155 with first paragraph circular arc 151 inscribes.Preferably, the radius of first paragraph circular arc 151 is 1.5mm; The radius of second segment circular arc 155 is 6mm.Wherein, cylinder muscle 13 and wavy surface 15 are the step surface on process complementary surface.Plane 17 is tangent with second segment circular arc 155, and plane 17 is 1mm with trimming line c intersection to the distance of extended surface 11 place planes.The straight line at the place, the center of circle of cylinder muscle 13 is 5mm to the distance between the original position of plane 17.The plate 5 of the top cover outside plate with skylight is in drawing and forming process, if produce sufficient plastic deformation, can effectively reduce the stress that causes bounce-back after flange, first shaping herein goes out cylinder muscle 13 and wavy surface 15, increase plate 5 deformation drags of the top cover outside plate with skylight, allow plate 5 flowing velocities of the top cover outside plate with skylight evenly and fully be out of shape, can be very useful to controlling bounce-back, thus ensure part quality.
Step 1 S1: adopt the deburring die face of the plate 5 of reshaping device to the top cover outside plate with skylight to carry out shaping, deburring, and the trimming edge height of reshaping device now exceeds dressing blade piece 7mm, and wherein dressing blade piece is the cutter piece that extrudes cylinder muscle 13.
Step 3 S3: flange is the flanging and restriking that carries out of the plate 5 of employing standard flange body to the top cover outside plate with skylight, finally completes operation and obtains the finished product of the top cover outside plate with skylight.
In the stamping processing method of the above-mentioned top cover outside plate with skylight, utilize the design of process complementary surface by the accurate simulation checking of famous finite simulation element analysis software AUTOFORM in the field of business and PAM-STAMP, show that product flange face is smooth, the wrinkling appearance surfaces that does not appear at product, product appearance areal deformation is very little.In the die face design of the vehicle S15 of the main force of company of Cherry, also there is embodiment, and produce through practice, preferably resolved the defects such as skylight flange face is wrinkling, A face subsides, dimension overproof.Between stock utilization and product quality, obtain a good balance, therefore this novel die face technological design has very high operability.
Known according to stress studies before and after part corresponding position flange: plate is in drawing and forming process, if produce sufficient plastic deformation, can effectively reduce the stress that causes bounce-back after flange, therefore as one or several step of design forming, increase sheet metal deformation resistance, allow plate flowing velocity and evenly and be fully out of shape, can be very useful to controlling bounce-back.Known in conjunction with foregoing description: the stamping processing method of the top cover outside plate with skylight of the present invention is provided with at process complementary surface at least one step surface that cylinder muscle 13 and wavy surface 15 form, plate 5 deformation drags of the top cover outside plate with skylight in punching course are increased, allow plate 5 flowing velocities of the top cover outside plate with skylight evenly and fully be out of shape, can be very useful to controlling bounce-back, thereby ensure part quality, obviously distortion or even the problem of subsiding are effectively prevented from producing in the punching course of the top cover outside plate with skylight.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a stamping processing method for the top cover outside plate with skylight, it comprises step 1 (S1): the plate of the top cover outside plate with skylight is made to deburring die face; Step 2 (S2): described deburring die face is carried out to shaping deburring; Step 3 (S3): the plate to the described top cover outside plate with skylight carries out flanging and restriking;
It is characterized in that,
In described step 1 (S1), also in flange die parting line (b) die face in addition, process complementary surface is set;
Described process complementary surface is provided with a cylinder muscle (13) and is connected and the wavy surface (15) of extension with described cylinder muscle (13) is tangent;
Described process complementary surface is positioned at described flange die parting line (b) to the position between the trimming line (c) of described plate, and described process complementary surface also comprises extended surface (11) and the plane (17) joining with described trimming line (c) of being extended by the A face border of described plate, described cylinder muscle (13) is connected with described extended surface (11), and described plane (17) is tangentially connected with described wavy surface (15);
Described wavy surface (15) comprises the first paragraph circular arc (151) circumscribed with described cylinder muscle (13) and the second segment circular arc (155) with described first paragraph circular arc (151) inscribe, and described plane (17) is tangent with described second segment circular arc (155).
2. the stamping processing method of the top cover outside plate with skylight according to claim 1, it is characterized in that, described plane (17) is by the inclined position extension tangent with described second segment circular arc (155), and described plane (17) is 1mm with described trimming line (c) intersection to the distance of described extended surface (11) place plane.
3. according to the stamping processing method of the top cover outside plate with skylight claimed in claim 2, it is characterized in that, the straight line at the place, the center of circle of described cylinder muscle (13) is 5mm to the distance between the original position of described plane (17).
4. the stamping processing method of the top cover outside plate with skylight according to claim 1, is characterized in that, the radius of described first paragraph circular arc (151) is 1.5mm; The radius of described second segment circular arc (155) is 6mm.
5. the stamping processing method of the top cover outside plate with skylight according to claim 1, it is characterized in that, described extended surface (11) is by described flange die parting line (b) along extending in skylight with A face direction tangential, and the distance of place, center of circle straight line that plays described cylinder muscle (13) from described flange die parting line (b) is in 10mm.
6. the stamping processing method of the top cover outside plate with skylight according to claim 5, is characterized in that, the distance that plays place, the center of circle straight line of described cylinder muscle (13) from described flange die parting line (b) is 8mm.
7. the stamping processing method of the top cover outside plate with skylight according to claim 1, is characterized in that, in described step 2 (S2), carries out shaping deburring with reshaping device; And the trimming edge height of described reshaping device exceeds dressing blade piece 7mm, wherein, described dressing blade is soon for extruding the cutter piece of described cylinder muscle (13).
8. the stamping processing method of the top cover outside plate with skylight according to claim 1, is characterized in that, in described step 3 (S3), carries out flanging and restriking with standard flange body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210288585.2A CN102814430B (en) | 2012-08-14 | 2012-08-14 | Stamping method of top cover outer plate with skylight |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210288585.2A CN102814430B (en) | 2012-08-14 | 2012-08-14 | Stamping method of top cover outer plate with skylight |
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| Publication Number | Publication Date |
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| CN102814430A CN102814430A (en) | 2012-12-12 |
| CN102814430B true CN102814430B (en) | 2014-11-26 |
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| CN103831589B (en) * | 2014-03-04 | 2016-02-03 | 南京康尼机电股份有限公司 | A kind of rail vehicle in-built side window window frame fillet moulding process |
| CN103831338A (en) * | 2014-03-18 | 2014-06-04 | 中国重汽集团济南动力有限公司 | Novel sheet metal forming technology of whole light truck metal half tall roof cover |
| CN106570224B (en) * | 2016-10-19 | 2020-06-02 | 东风汽车集团有限公司 | Composite-appearance plate stock layout determining method and structure and stamping manufacturing method thereof |
| CN106965653A (en) * | 2017-04-21 | 2017-07-21 | 阿尔特汽车技术股份有限公司 | Automobile exterior panel |
| CN108971340B (en) * | 2018-07-23 | 2020-05-05 | 泊头市兴达汽车模具制造有限公司 | Technological method for solving problem of ridge line slippage of outer plate of machine cover |
| CN109967586A (en) * | 2019-03-26 | 2019-07-05 | 上海赛科利汽车模具技术应用有限公司 | A kind of exterior panel and its manufacturing process |
| CN110479796A (en) * | 2019-07-25 | 2019-11-22 | 上海赛科利汽车模具技术应用有限公司 | Vehicle side headsill shaping mould |
| CN111687600B (en) * | 2020-06-09 | 2021-07-30 | 安徽江淮汽车集团股份有限公司 | Automobile top cover forming process method and automobile top cover |
| CN111687269B (en) * | 2020-06-09 | 2021-04-27 | 安徽江淮汽车集团股份有限公司 | Rear door outer plate stamping process method and automobile rear door outer plate |
| CN111687271B (en) * | 2020-06-16 | 2021-04-27 | 安徽江淮汽车集团股份有限公司 | Engine compartment front panel stamping method and engine compartment front panel |
| CN111914349A (en) * | 2020-07-01 | 2020-11-10 | 中国第一汽车股份有限公司 | SE-based method for controlling surface defects of quarter window of side wall outer plate |
| CN113828690A (en) * | 2021-08-23 | 2021-12-24 | 中国第一汽车股份有限公司 | Size control method for tail area of automobile roof |
| CN116738579B (en) * | 2023-08-08 | 2023-10-27 | 武汉华锋惠众科技有限公司 | Automatic construction method and system for parting line of automobile panel |
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