CN105818866A - Automobile engine hood and processing method - Google Patents
Automobile engine hood and processing method Download PDFInfo
- Publication number
- CN105818866A CN105818866A CN201610183563.8A CN201610183563A CN105818866A CN 105818866 A CN105818866 A CN 105818866A CN 201610183563 A CN201610183563 A CN 201610183563A CN 105818866 A CN105818866 A CN 105818866A
- Authority
- CN
- China
- Prior art keywords
- inner panel
- edge
- panel
- automobile engine
- outside plate
- Prior art date
- 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
- 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
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/105—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles for motor cars
Abstract
The invention discloses an automobile engine hood, comprising an outer plate arranged on the outer surface and an inner plate arranged on the inner surface. The two side edges, opposite to automobile wheel fenders, of the outer plate are bent downwards inwards, and flanges opposite to the wheel fenders are formed on the side face of the engine hood; the edge of the inner plate is bent downwards and wraps the edge of the outer plate from the bottom to the top, to form a binding, folding glue is arranged on the binding in a pasting way, and the folding glue is arranged between the inner plate and the outer plate in a pasting way. The invention also discloses a processing method of the automobile engine hood. The automobile engine hood and the processing method can effectively improve the parting precision between the engine hood and the wheel fenders and improve the overall quality of the automobile engine hood.
Description
Technical field
The present invention relates to field of automobile, particularly relate to a kind of automobile engine cover and processing method.
Background technology
Existing automobile engine cover is all double-deck sheet metal structural, including inner panel and outside plate, inner panel is fixed together by wrapping process with the edge of outside plate, scribbles folding adhesive at the pressing of inner and outer plates, dried by high temperature and make folding adhesive inner and outer plates be bondd after solidifying, thus obtain total member of desired stiffness.The top view of bonnet as it is shown in figure 1, bonnet inner and outer plates binding structure schematic diagram as shown in Figure 2.Existing bonnet and the course of processing thereof there is problems in that
Before in wrapping process, folding adhesive is uncured, the frictional force of inner and outer plates bound edge can not prevent the relative movement between inner and outer plates, so that cause a certain degree of torsional deformation in bonnet total member flow process, cause hood uneven with the gap of both sides beater or beat-up.And precision will be caused change because operation flowing in order to ensure total member before baking, the commonly used two kinds of techniques of existing manufacturing enterprise: be that bound edge is dried local, conduplication side position simultaneously, two is to weld in the increase spot welding of flanging position or CO2 after bound edge.The first technology investment is relatively costly, is unfavorable for small lot batch manufacture；The second technique increases production cost and does not meets energy-saving and emission-reduction requirement.
Existing bound edge mode, directly influences presentation quality at bound edge.Limited by the state of the art, the presentation quality at the sideline of bound edge and bound edge can not be accurately controlled due to a variety of causes during bound edge, cause the later stage that appearance is reprocessed and debuging the line adjustment repeatedly to gap, have a strong impact on productive temp, it is unfavorable for batch production, and increases production cost.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of automobile engine cover, is used for solving bonnet inner panel and outside plate meeting relative movement, the problem affecting product appearance quality in prior art.
The present invention is achieved in that
A kind of automobile engine cover, including being arranged at the outside plate of outer surface and being arranged at the inner panel of inner surface, the dual-side that described outside plate is relative with fender separately down and bends inwards, and forms the fin relative with beater or beat-up in the side of bonnet；
The edge of described inner panel bends downwards and from bottom to up outer plate edge cladding is formed bound edge, is coated with folding adhesive at bound edge, and folding adhesive is coated with and is located between inner panel and outside plate.
Further, the end face at inner panel edge is coated with fluid sealant.
Further, described outside plate and fin are by stamping die continuous punch forming.
Further, the top of described fin is plane and parallel with corresponding beater or beat-up medial surface.
For solving above-mentioned technical problem, another technical scheme that the present invention provides is:
A kind of automobile engine cover processing method, including:
Shape according to automobile engine cover and size carry out bonnet inner panel and outside plate blanking；
The inner panel panel using inner panel diel and outside plate diel to obtain blanking carries out punch forming with outer plate panel, during punching press outer plate panel, the dual-side making outer plate panel separately down and bends inwards, the fin relative with beater or beat-up is formed in the side of bonnet, during punching press inner panel panel, the dual-side of inner panel panel is made to bend downwards；
Stamping forming outside plate and inner panel consistency from top to bottom are placed, and is coated with folding adhesive at the edge of inner panel or outside plate；
Use taping machine that outside plate and inner panel edge are carried out bound edge, make the edge of inner panel bend downwards and from bottom to up outer plate edge cladding formed bound edge.
Further, before carrying out punch forming step, also include polishing in the edge of inner panel panel and the outer plate panel obtaining blanking, the burr formed when removing blanking.
Further, also including after outside plate bound edge at inner panel, the end face at inner panel edge is coated with fluid sealant.
Further, when carrying out outer plate panel punch forming, making the top of fin is plane and parallel with corresponding beater or beat-up medial surface.
The invention have the benefit that
The present invention passes through mould molding and forms the fin corresponding with beater or beat-up in the side of bonnet outside plate, inner panel is the most no longer the most corresponding with beater or beat-up with at the bound edge of outside plate, and mold members contour accuracy can reach ± 0.25mm, higher than bound edge ± 0.5mm, which reduces the error impact on parting of bound edge, improve the precision of parting between bonnet and beater or beat-up；And it is that Y-direction is spacing between the inner panel of this bonnet and outside plate, can also well limit the movement of Y between inner and outer plates before folding adhesive is uncured, thus more improve the parting precision between bonnet and beater or beat-up.3mm can be accomplished in gap between bonnet the most of the present invention and beater or beat-up, reduces 1-1.5mm than the parting of common bound edge form, can be greatly improved presentation quality herein and precision.
Accompanying drawing explanation
Fig. 1 is the top view of passenger car bonnet in prior art；
Fig. 2 is the binding structure schematic diagram of bonnet in prior art；
Fig. 3 is the binding structure schematic diagram of bonnet in embodiment of the present invention；
Fig. 4 is the zoomed-in view of part A in Fig. 3；
Fig. 5 is the schematic flow sheet of embodiment of the present invention automobile engine cover processing method.
Label declaration:
1, bonnet；2, beater or beat-up；3, the parting between bonnet and beater or beat-up；11, outside plate；12, inner panel；13, folding adhesive；14, fluid sealant；111, fin.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
Refer to Fig. 3 and Fig. 4, embodiment of the present invention one automobile engine cover, the i.e. hood of automobile, this bonnet 1 includes that the outside plate 11 of bonnet and the inner panel 12 of bonnet, outside plate 11 use wrapping process to carry out the bound edge formation total member of bonnet with the edge of inner panel 12.Wherein, the dual-side of described outside plate 11 separately down and bends inwards, and forms the fin 111 of relative with beater or beat-up 2 (parallel) in the side of bonnet；Described outside plate 11 and fin 111 are one time punching molded by diel.
The edge of described inner panel 12 bends downwards and to supreme, outside plate 11 edge cladding is formed bound edge, is coated with folding adhesive 13 at bound edge, and folding adhesive 13 is coated with and is located between inner panel and outside plate.
Owing to fin 111 protrudes to side surface direction level, time the most from the appearance, bound edge position (i.e. be can't see) the most not at appearance.Present embodiment bonnet 1 face corresponding with beater or beat-up 2 is die reshaping one section of fin out, at bound edge the most not corresponding with beater or beat-up, general mold members profile tolerance can reach ± 0.25mm, higher than bound edge ± 0.5mm, which reduces the impact on parting 3 of the error of bound edge, and this kind of binding structure, it it is all down flange due to inner and outer plates, before bound edge, the flange of inner and outer plates is the most fitted in Y-direction (automobile is horizontal), be equivalent to be that Y-direction is spacing between inner and outer plates, so can also well limit the movement of Y between inner and outer plates before folding adhesive is uncured, thus more improve parting 3 precision between hood and beater or beat-up.3mm can be accomplished through analyzing the gap between the hood of this kind of form and beater or beat-up, reduce 1-1.5mm than the parting of common bound edge form, presentation quality herein and precision can be greatly improved.In present embodiment, use the technique of inner panel upwards bound edge to be encased by outer plate edge, reduce the enforcement difficulty of wrapping process, improve bound edge precision.
In order to improve the sealing at inner panel and outside plate bound edge, the end face at inner panel edge is coated with fluid sealant.
Further, in the present embodiment, the top of described fin 111 is plane and parallel with corresponding beater or beat-up medial surface.For from production technology, the precision of trapezoidal icepro is insulted than taper and is more easily controlled, and what trapezoidal icepro controlled is a face, and taper is to control a line.
And in other embodiments, the top of described fin can also be sharp, i.e. this fin is taper rib rather than trapezoidal rib.
Referring to Fig. 5, another embodiment that the present invention provides is, the processing method of a kind of automobile engine cover, comprising:
Blanking, carries out bonnet inner panel and outside plate blanking according to shape and the size of automobile engine cover；
Polishing, polishes in the inner panel panel obtaining blanking and the edge of outer plate panel, the burr formed when removing blanking；
Punch forming, the inner panel panel using inner panel diel and outside plate diel to obtain blanking carries out punch forming with outer plate panel, during punching press outer plate panel, the dual-side making outer plate panel separately down and bends inwards, the fin relative with beater or beat-up is formed in the side of bonnet, during punching press inner panel panel, the dual-side of inner panel panel is made to bend downwards；
Beat folding adhesive, stamping forming outside plate and inner panel consistency from top to bottom are placed, and is coated with folding adhesive at the edge of inner panel or outside plate；
Bound edge, uses taping machine that outside plate and inner panel edge are carried out bound edge, makes the edge of inner panel bend downwards and to supreme, outer plate edge cladding is formed bound edge；
Beat the fluid sealant end face at inner panel edge and be coated with fluid sealant.
In present embodiment, use the technique of inner panel upwards bound edge to be encased by outer plate edge, reduce the enforcement difficulty of wrapping process, improve bound edge precision.
The processing method of this automobile engine cover is by the both sides of bonnet outside plate the most also downward bending, formed to lateral projections the fin parallel with beater or beat-up parting 3, so that the bound edge of inner panel and outside plate is not in appearance, and the formed precision of mould is much larger than the precision of wrapping process, thus substantially increase the alignment accuracy of bonnet and beater or beat-up parting 3.
In the present embodiment, when carrying out outer plate panel punch forming, making the top of fin is plane and parallel with corresponding beater or beat-up medial surface.
In other embodiments, the top of described fin can also be sharp, i.e. this fin is taper rib rather than trapezoidal rib.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (8)
1. an automobile engine cover, including being arranged at the outside plate of outer surface and being arranged at the inner panel of inner surface, it is characterised in that the dual-side that described outside plate is relative with fender separately down and bends inwards, forms the fin relative with beater or beat-up in the side of bonnet；
The edge of described inner panel bends downwards and from bottom to up outer plate edge cladding is formed bound edge, is coated with folding adhesive at bound edge, and folding adhesive is coated with and is located between inner panel and outside plate.
Automobile engine cover the most according to claim 1, it is characterised in that the end face at inner panel edge is coated with fluid sealant.
Automobile engine cover the most according to claim 1, it is characterised in that described outside plate and fin are by stamping die continuous punch forming.
Automobile engine cover the most according to claim 1, it is characterised in that the top of described fin is plane and parallel with corresponding beater or beat-up medial surface.
5. an automobile engine cover processing method, it is characterised in that including:
Shape according to automobile engine cover and size carry out bonnet inner panel and outside plate blanking；
The inner panel panel using inner panel diel and outside plate diel to obtain blanking carries out punch forming with outer plate panel, during punching press outer plate panel, the dual-side making outer plate panel separately down and bends inwards, the fin relative with beater or beat-up is formed in the side of bonnet, during punching press inner panel panel, the dual-side of inner panel panel is made to bend downwards；
Stamping forming outside plate and inner panel consistency from top to bottom are placed, and is coated with folding adhesive at the edge of inner panel or outside plate；
Use taping machine that outside plate and inner panel edge are carried out bound edge, make the edge of inner panel bend downwards and from bottom to up outer plate edge cladding formed bound edge.
Automobile engine cover processing method the most according to claim 5, it is characterised in that before carrying out punch forming step, also includes polishing in the edge of inner panel panel and the outer plate panel obtaining blanking, the burr formed when removing blanking.
Automobile engine cover processing method the most according to claim 5, it is characterised in that also include after outside plate bound edge at inner panel, the end face at inner panel edge is coated with fluid sealant.
Automobile engine cover processing method the most according to claim 5, it is characterised in that when carrying out outer plate panel punch forming, making the top of fin is plane and parallel with corresponding beater or beat-up medial surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183563.8A CN105818866B (en) | 2016-03-28 | 2016-03-28 | A kind of automobile engine cover and processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610183563.8A CN105818866B (en) | 2016-03-28 | 2016-03-28 | A kind of automobile engine cover and processing method |
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| Publication Number | Publication Date |
|---|---|
| CN105818866A true CN105818866A (en) | 2016-08-03 |
| CN105818866B CN105818866B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610183563.8A Active CN105818866B (en) | 2016-03-28 | 2016-03-28 | A kind of automobile engine cover and processing method |
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| CN (1) | CN105818866B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774499A (en) * | 2019-11-11 | 2020-02-11 | 合肥长安汽车有限公司 | Technical method for heating and curing front cover assembly edge covering |
| CN112124437A (en) * | 2020-09-22 | 2020-12-25 | 安徽金诚汽车装饰设计开发有限公司 | Engine cover for minibus and manufacturing method thereof |
| CN114248848A (en) * | 2020-09-24 | 2022-03-29 | 宝能汽车集团有限公司 | Engine cover plate for automobile and automobile with engine cover plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1251063A2 (en) * | 2001-04-18 | 2002-10-23 | COMAU S.p.A. | A method of assembling a motor-vehicle bodywork element such as a door, a hatch, or a bonnet |
| CN202896687U (en) * | 2012-10-30 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile engine chamber hood |
| CN203698423U (en) * | 2013-12-12 | 2014-07-09 | 重庆汉华汽车零部件制造有限公司 | Automobile engine cover plate |
| WO2015118931A1 (en) * | 2014-02-07 | 2015-08-13 | 株式会社神戸製鋼所 | Different materials panel structure |
| CN204726520U (en) * | 2015-04-27 | 2015-10-28 | 温岭市申隆机电有限公司 | Vehicle engine hatch cover |
-
2016
- 2016-03-28 CN CN201610183563.8A patent/CN105818866B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1251063A2 (en) * | 2001-04-18 | 2002-10-23 | COMAU S.p.A. | A method of assembling a motor-vehicle bodywork element such as a door, a hatch, or a bonnet |
| CN202896687U (en) * | 2012-10-30 | 2013-04-24 | 浙江吉利汽车研究院有限公司杭州分公司 | Automobile engine chamber hood |
| CN203698423U (en) * | 2013-12-12 | 2014-07-09 | 重庆汉华汽车零部件制造有限公司 | Automobile engine cover plate |
| WO2015118931A1 (en) * | 2014-02-07 | 2015-08-13 | 株式会社神戸製鋼所 | Different materials panel structure |
| CN204726520U (en) * | 2015-04-27 | 2015-10-28 | 温岭市申隆机电有限公司 | Vehicle engine hatch cover |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774499A (en) * | 2019-11-11 | 2020-02-11 | 合肥长安汽车有限公司 | Technical method for heating and curing front cover assembly edge covering |
| CN112124437A (en) * | 2020-09-22 | 2020-12-25 | 安徽金诚汽车装饰设计开发有限公司 | Engine cover for minibus and manufacturing method thereof |
| CN114248848A (en) * | 2020-09-24 | 2022-03-29 | 宝能汽车集团有限公司 | Engine cover plate for automobile and automobile with engine cover plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105818866B (en) | 2019-04-05 |
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Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Automobile Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: FJ MOTOR GROUP, YUDO NEW-ENERGY AUTOMOBILE Co.,Ltd. Address after: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee after: Yundu New Energy Vehicle Co.,Ltd. Address before: 351100 west side of LiHan Road, Jiangxi town, Jiangkou Town, Hanjiang District, Putian, Fujian, China Patentee before: Yundu New Energy Automobile Co.,Ltd. |
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