CN111375988A - Method for manufacturing automobile engine cover - Google Patents
Method for manufacturing automobile engine cover Download PDFInfo
- Publication number
- CN111375988A CN111375988A CN201811629027.1A CN201811629027A CN111375988A CN 111375988 A CN111375988 A CN 111375988A CN 201811629027 A CN201811629027 A CN 201811629027A CN 111375988 A CN111375988 A CN 111375988A
- Authority
- CN
- China
- Prior art keywords
- plate
- inner plate
- punching
- outer plate
- firstly
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000003754 machining Methods 0.000 claims abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 15
- 239000004800 polyvinyl chloride Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 238000010008 shearing Methods 0.000 claims description 12
- 239000010410 layer Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000009966 trimming Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004537 pulping Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000005576 amination reaction Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000000565 sealant Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000013329 compounding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention discloses a method for manufacturing an automobile engine cover, which comprises an inner plate and an outer plate, wherein the inner plate is welded with the outer plate, and the edge of the inner plate is enclosed in the outer plate. According to the automobile cover, the outer plate and the inner plate of the cover are directly machined by laser, punching of a punch press and steel seal processes, the machining process is simple, and the production efficiency is high; the gap between the outer plate and the inner plate can be minimized through the expansion glue between the outer plate and the inner plate, and the firmness of the cover is improved; meanwhile, air is expelled, and finally, air, water and the like are thoroughly isolated from the inside of the cover by the outermost sealant, so that the oxidation condition is prevented.
Description
Technical Field
The invention relates to the technical field of automobile part manufacturing, in particular to a method for manufacturing an automobile engine cover.
Background
The shape process of the automobile engine cover is complex, so that stress concentration at various places can be caused by uneven stress in the manufacturing process, and the place is damaged; moreover, since the hood is exposed on the surface of the automobile, the hood is easily deformed after collision and cannot protect the electric equipment therein, and therefore, the structural strength of the hood is inevitably improved.
Disclosure of Invention
The present invention is directed to the above problems and provides a method for manufacturing a vehicle hood.
The invention realizes the purpose through the following technical scheme:
the automobile cover comprises an inner plate and an outer plate, the inner plate is welded with the outer plate, the edge of the inner plate is enclosed in the outer plate, and the manufacturing process is as follows:
processing an outer plate:
firstly, cutting a flat shearing plate, and shearing a cold coil after being cut flat into iron plates with corresponding sizes;
secondly, oil pressure and punching machine, firstly, stretching the iron plate; and then trimming and punching the steel: then, folding and punching the edge; finally, folding the side of the paper; the manufacture of the outer plate is completed;
processing an inner plate:
firstly, cutting a flat shearing plate, and shearing a cold coil after being cut flat into iron plates with corresponding sizes;
secondly, oil pressure and punching machine, firstly, stretching the iron plate; secondly, trimming and punching the steel plate; then shaping and punching the steel plate; finally, shaping and side punching the hole;
the whole combination process of the automobile cover:
firstly, spot welding and group welding a left annular member and a right annular member on an outer plate; secondly, correspondingly welding the left thin L-shaped workpiece, the right thin L-shaped workpiece and the left thick L-shaped workpiece and the right thick L-shaped workpiece on the inner plate in a combined mode; correspondingly installing the arch-shaped piece in the middle of the inner plate; then, performing one-time edge covering and ending on the inner plate and the outer plate, pressing the inner plate and the outer plate, pulping, and preparing an adhesive: mixing and pulping polyvinyl chloride raw materials to prepare polyvinyl chloride pulp serving as a surface layer for later use, and stirring and preparing adhesive raw materials, wherein the adhesive is an ethylene amination polymer; (ii) a Heating and gelatinizing the prepared polyvinyl chloride slurry at the temperature of 180-200 ℃ by a coating machine to form a polyvinyl chloride skin layer, and then instantly heating the polyvinyl chloride skin layer to 180-200 ℃ by infrared heating equipment to be laminated and compounded with the adhesive layer on the polypropylene foaming layer, thus completing the preparation.
Further, the trimming and punching can be replaced by a laser process.
Further, the edge knocking process is replaced by an automatic edge covering mechanism.
Compared with the prior art, the automobile cover directly processes the outer plate and the inner plate of the cover through the laser, punching of the punch press and the steel seal process, and has simple processing process and high production efficiency; the gap between the outer plate and the inner plate can be minimized through the expansion glue between the outer plate and the inner plate, and the firmness of the cover is improved; meanwhile, air is expelled, and finally, air, water and the like are thoroughly isolated from the inside of the cover by the outermost sealant, so that the oxidation condition is prevented.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The automobile cover comprises an inner plate and an outer plate, the inner plate is welded with the outer plate, the edge of the inner plate is enclosed in the outer plate, and the manufacturing process is as follows:
processing an outer plate:
firstly, cutting a flat shearing plate, and shearing a cold coil after being cut flat into iron plates with corresponding sizes;
secondly, oil pressure and punching machine, firstly, stretching the iron plate; and then trimming and punching the steel: then, folding and punching the edge; finally, folding the side of the paper; the outer panel is completed.
Processing an inner plate:
firstly, cutting a flat shearing plate, and shearing a cold coil after being cut flat into iron plates with corresponding sizes;
secondly, oil pressure and punching machine, firstly, stretching the iron plate; secondly, trimming and punching the steel plate; then shaping and punching the steel plate; and finally shaping and side punching the hole.
The whole combination process of the automobile cover:
firstly, spot welding and group welding a left annular member and a right annular member on an outer plate; secondly, correspondingly welding the left thin L-shaped workpiece, the right thin L-shaped workpiece and the left thick L-shaped workpiece and the right thick L-shaped workpiece on the inner plate in a combined mode; correspondingly installing the arch-shaped piece in the middle of the inner plate; then, performing one-time edge covering and ending on the inner plate and the outer plate, pressing the inner plate and the outer plate, pulping, and preparing an adhesive: mixing and pulping polyvinyl chloride raw materials to prepare polyvinyl chloride pulp serving as a surface layer for later use, and stirring and preparing adhesive raw materials, wherein the adhesive is an ethylene amination polymer; (ii) a The prepared polyvinyl chloride slurry is heated and gelatinized by a coating machine at the temperature of 180-200 ℃ to form a polyvinyl chloride skin layer, and then the polyvinyl chloride skin layer is instantly heated by infrared heating equipment to 180-200 ℃ to be laminated and compounded with the bonding layer on the polypropylene foaming layer, thus completing the lamination and compounding.
Further, the trimming and punching can be replaced by a laser process.
Further, the edge knocking process is replaced by an automatic edge covering mechanism.
Compared with the prior art, the automobile cover directly processes the outer plate and the inner plate of the cover through the laser, punching by the punch press and the automatic edge covering mechanism, and has simple processing technology and high production efficiency; the gap between the outer plate and the inner plate can be minimized through the expansion glue between the outer plate and the inner plate, and the firmness of the cover is improved; meanwhile, air is expelled, and finally, air, water and the like are thoroughly isolated from the inside of the cover by the outermost sealant, so that the oxidation condition is prevented.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The automobile cover comprises an inner plate and an outer plate, the inner plate is welded with the outer plate, the edge of the inner plate is enclosed in the outer plate, and the manufacturing process is as follows: processing an outer plate: firstly, cutting flat shearing plates, namely shearing the cut flat cold coils into iron plates with corresponding sizes; secondly, oil pressure and punching machine, firstly, stretching the iron plate; and then trimming and punching the steel: then, folding and punching the edge; finally, folding the side of the paper; the manufacture of the outer plate is completed; processing an inner plate: firstly, cutting flat shearing plates, namely shearing the cut flat cold coils into iron plates with corresponding sizes; secondly, oil pressure and punching machine, firstly, stretching the iron plate; secondly, trimming and punching the steel plate; then shaping and punching the steel plate; finally, shaping and side punching the hole; the whole combination process of the automobile cover: firstly, spot welding and group welding a left annular member and a right annular member on an outer plate; secondly, correspondingly welding the left thin L-shaped workpiece, the right thin L-shaped workpiece and the left thick L-shaped workpiece and the right thick L-shaped workpiece on the inner plate in a combined mode; correspondingly installing the arch-shaped piece in the middle of the inner plate; then, performing one-time edge covering and ending on the inner plate and the outer plate, pressing the inner plate and the outer plate, pulping, and preparing an adhesive: mixing and pulping polyvinyl chloride raw materials to prepare polyvinyl chloride pulp serving as a surface layer for later use, and stirring and preparing adhesive raw materials, wherein the adhesive is an ethylene amination polymer; (ii) a Heating and gelatinizing the prepared polyvinyl chloride slurry at the temperature of 180-200 ℃ by a coating machine to form a polyvinyl chloride skin layer, and then instantly heating the polyvinyl chloride skin layer to 180-200 ℃ by infrared heating equipment to be laminated and compounded with the adhesive layer on the polypropylene foaming layer, thus completing the preparation.
2. The method of claim 1 wherein the cutting edges and punching are replaced by laser machining.
3. The method of claim 1, wherein the step of knocking the edges is replaced by an automatic edge covering mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629027.1A CN111375988A (en) | 2018-12-28 | 2018-12-28 | Method for manufacturing automobile engine cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629027.1A CN111375988A (en) | 2018-12-28 | 2018-12-28 | Method for manufacturing automobile engine cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111375988A true CN111375988A (en) | 2020-07-07 |
Family
ID=71214710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811629027.1A Pending CN111375988A (en) | 2018-12-28 | 2018-12-28 | Method for manufacturing automobile engine cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111375988A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011212712A (en) * | 2010-03-31 | 2011-10-27 | Kobe Steel Ltd | Hem joining method of automobile panel and hem joining structure of automobile panel |
| CN103661627A (en) * | 2013-11-13 | 2014-03-26 | 鑫鸿交通工业（安徽）有限公司 | Manufacturing process for automobile trunk cover |
| CN103659178A (en) * | 2013-11-13 | 2014-03-26 | 鑫鸿交通工业（安徽）有限公司 | Manufacturing process for automobile cover |
| CN104646963A (en) * | 2015-01-30 | 2015-05-27 | 柳州市俊杰汽配制造有限公司 | Production process of automobile cover |
-
2018
- 2018-12-28 CN CN201811629027.1A patent/CN111375988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011212712A (en) * | 2010-03-31 | 2011-10-27 | Kobe Steel Ltd | Hem joining method of automobile panel and hem joining structure of automobile panel |
| CN103661627A (en) * | 2013-11-13 | 2014-03-26 | 鑫鸿交通工业（安徽）有限公司 | Manufacturing process for automobile trunk cover |
| CN103659178A (en) * | 2013-11-13 | 2014-03-26 | 鑫鸿交通工业（安徽）有限公司 | Manufacturing process for automobile cover |
| CN104646963A (en) * | 2015-01-30 | 2015-05-27 | 柳州市俊杰汽配制造有限公司 | Production process of automobile cover |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200707 |
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