CN220199426U - Automobile-used integrated injection moulding small-size aircraft bonnet - Google Patents
Automobile-used integrated injection moulding small-size aircraft bonnet Download PDFInfo
- Publication number
- CN220199426U CN220199426U CN202321261876.2U CN202321261876U CN220199426U CN 220199426 U CN220199426 U CN 220199426U CN 202321261876 U CN202321261876 U CN 202321261876U CN 220199426 U CN220199426 U CN 220199426U
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- CN
- China
- Prior art keywords
- hood
- utility
- model
- reinforcing rib
- rib layer
- 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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- 238000001746 injection moulding Methods 0.000 title claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 239000003973 paint Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 3
- 239000012756 surface treatment agent Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Superstructure Of Vehicle (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to the technical field of plastic part design and processing, and discloses an integrated injection molding small-size hood for a vehicle. According to the utility model, through omitting a two-layer structure of the hood inner plate and the hood outer plate and a bonding procedure and utilizing an integral injection molding process, the functional integration of the hood structure is realized, the geometric dimensional precision is stable, and the class A curved surface is high in brightness/high in gloss; according to the utility model, the hood is designed into the structure of the shell and the reinforcing rib layer, so that the shape and the size of the reinforcing rib layer are optimized, the raw materials are saved while the product has enough rigidity and long fatigue life, and the cost is reduced and the efficiency is improved; according to the utility model, the surface treatment agent is adopted to modify the surface structure of the plastic substrate of the hood or the plastic substrate with the surface structure easy to coat is adopted, so that paint dropping of the hood can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of plastic part design and processing, in particular to an integral injection molding small-size hood for a vehicle.
Background
At present, a whole automobile outer covering part of a new energy automobile is generally made of a composite material, wherein a front automobile hood is manufactured by using PP as a base material, and is divided into an inner plate and an outer plate, and the inner plate and the outer plate are bonded through viscose.
The existing automobile front hood has the following problems:
1. the quality of the A-level curved surface of the automobile front hood is poor due to different materials of the inner plate and the outer plate and different linear expansion coefficients;
2. the rigidity of parts of the front hood of the automobile is insufficient, so that the fluctuation of geometric dimensions is large;
3. the automobile front hood has more parts and more preparation procedures, and increases the manufacturing cost;
4. the inner plate and the outer plate of the automobile front hood are bonded by using the adhesive, and environmental pollution is easily caused by recycling and utilizing the adhesive.
Therefore, it is necessary to provide an integrally molded small-sized hood for a vehicle with few parts and with a rigidity satisfying the use requirements.
Disclosure of Invention
The utility model aims to provide an integrally-formed small-size automobile hood with few parts and rigidity meeting the use requirement, and the integrally-formed hood replaces the traditional hood with the glued inner and outer plates, so that the problems of multiple parts, multiple working procedures, gluing deformation, insufficient rigidity, unstable geometric dimension and easiness in paint dropping of the traditional hood are thoroughly solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an automobile-used integrated into one piece small-size aircraft bonnet, includes casing and strengthening rib layer, is equipped with the strengthening rib layer on the casing, and the strengthening rib layer is used for improving the rigidity and strength of aircraft bonnet.
Further, the reinforcing rib layer is net-shaped.
Further, the height of the reinforcing rib layer is 5-60mm.
Further, the thickness of the strip-shaped ribs of the reinforcing rib layer is 0.5-4mm.
Further, the hood is made of a plastic substrate having a linear expansion coefficient of less than 75×10 -6 m/(m·k)。
Further, the surface of the plastic substrate has a structure that is easy to paint.
Further, the vehicle integrated injection molding small-size hood further comprises a sealing rubber strip mounting groove.
Further, the vehicle integrated injection molding small-size hood further comprises a mounting lock catch nut pipe insert.
Further, the vehicle integrated injection molding small-size hood further comprises a hood fixing bolt.
Further, the shell and the reinforcing rib layer are integrally formed.
The utility model has the technical effects and advantages that:
1. according to the utility model, through omitting the two-layer structure of the hood inner plate and the hood outer plate and the bonding procedure, the integrated injection molding process is utilized to realize the functional integration of the hood structure, the geometric dimension precision is stable, and the class A curved surface is high in brightness/high in gloss.
2. According to the utility model, the hood is designed into the structure of the shell and the reinforcing rib layer, so that the shape and the size of the reinforcing rib layer are optimized, the product has enough rigidity and long fatigue life, raw materials are saved, and the cost is reduced and the efficiency is improved.
3. According to the utility model, the hood and the sealing rubber strip are conveniently and fixedly installed by integrating the sealing rubber strip mounting groove, the locking nut pipe insert and the hood fixing bolt.
4. According to the utility model, the surface treatment agent is adopted to modify the surface structure of the plastic substrate of the hood or the plastic substrate with the surface structure easy to coat is adopted, so that paint dropping of the hood can be effectively prevented.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic view of the structure of the vehicle integrated injection molded small-sized hood according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide an integrated injection molding small-size hood for a vehicle, which has the advantages of few parts, less rigidity meeting the use requirement, and thoroughly solves the problems of multiple parts, adhesive deformation, insufficient rigidity, unstable geometric dimension and easy paint dropping of the existing hood.
As shown in fig. 1, in order to solve the defects in the prior art, the utility model discloses an integrated injection molding small-size hood for a vehicle, which comprises a shell and a reinforcing rib layer, wherein the reinforcing rib layer is arranged on the shell and is used for improving the rigidity of the hood.
Optionally, the reinforcing rib layer is net-shaped, so that raw materials can be saved, cost can be reduced, and efficiency can be improved while the product has enough rigidity and long fatigue life.
Optionally, the height of the reinforcing rib layer is 5-60mm, and the space layout design at the automobile hood can be adjusted according to the types of raw materials of the hood.
Optionally, the thickness of the bar-shaped ribs of the reinforcing rib layer is 0.5-4mm.
Optionally, the housing is made of a plastic substrate having a linear expansion coefficient of less than 75×10 -6 The quality of the A-class curved surface product of the hood can be ensured by selecting a plastic substrate with low linear expansion coefficient.
Alternatively, the surface of the plastic substrate has a structure which is easy to paint, and the paint of the hood can be avoided by adopting a surface treating agent to modify the surface structure of the plastic substrate or using the plastic substrate which is easy to paint and has the surface structure.
Optionally, the hood is further provided with a sealing rubber strip mounting groove for mounting the sealing rubber strip.
Optionally, the hood is further provided with a mounting snap nut tube insert.
Optionally, the hood is further provided with a hood fixing latch.
Optionally, the shell and the reinforcing rib layer are integrally formed, and the hood is integrally injection molded by putting plastic substrate particles into an injection molding machine and adopting a matched processing technology. The processing temperature parameters of the injection molding machine are as follows: the first section 190-265 ℃, the second section 195-270 ℃, the third section 200-275 ℃, the fourth section 200-275 ℃, the fifth section 200-275 ℃, the sixth section 200-275 ℃, the seventh section 210-275 ℃, the eighth section 210-275 ℃ and the ninth section 210-275 ℃. The dwell time is 5-30s, and the die temperature is 50-100 ℃;
according to the utility model, through omitting the two-layer structure of the hood inner plate and the hood outer plate and the bonding procedure, the integrated injection molding process is utilized to realize the functional integration of the hood structure, the geometric dimension precision is stable, and the class A curved surface is high in brightness/high in gloss. According to the utility model, the hood is designed into the structure of the shell and the reinforcing rib layer, so that the shape and the size of the reinforcing rib layer are optimized, the product has enough rigidity and long fatigue life, raw materials are saved, and the cost is reduced and the efficiency is improved. According to the utility model, the hood and the sealing rubber strip are conveniently and fixedly installed by integrating the sealing rubber strip mounting groove, the locking nut pipe insert and the hood fixing bolt. According to the utility model, the surface treatment agent is adopted to modify the surface structure of the plastic substrate of the hood or the plastic substrate with the surface structure easy to coat is adopted, so that paint dropping of the hood can be effectively prevented.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The integrated injection molding small-size hood for the vehicle is characterized by comprising a shell and a reinforcing rib layer, wherein the reinforcing rib layer is arranged on the shell and used for improving the rigidity of the hood,
the shell and the reinforcing rib layer are integrally formed, and the shell and the reinforcing rib layer are made of plastic materials.
2. The integrally injection molded small scale housing of claim 1, wherein the reinforcement rib layer is mesh-like.
3. The integrally injection molded small-sized hood for a vehicle according to claim 1, wherein the height of the bead layer is 5-60mm.
4. The integrally injection molded small-sized hood for a vehicle according to claim 1, wherein the thickness of the bar-shaped rib of the reinforcing rib layer is 0.5 to 4mm.
5. The vehicle-mounted integrated injection molding small-size machine according to claim 1A hood is characterized in that the hood is made of a plastic substrate having a linear expansion coefficient of less than 75×10 -6 m/(m·k)。
6. The integrally injection molded small-sized hood for a vehicle according to claim 5, wherein the plastic base material surface has a structure that is easy to paint.
7. The integrally injection molded small-sized hood for a vehicle according to claim 1, further comprising a joint strip mounting groove.
8. The integrally injection molded small size hood for a vehicle of claim 1 further comprising a mounting snap nut tube insert.
9. The integrally injection molded small size hood for a vehicle of claim 1 further comprising a hood fixing latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261876.2U CN220199426U (en) | 2023-05-19 | 2023-05-19 | Automobile-used integrated injection moulding small-size aircraft bonnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261876.2U CN220199426U (en) | 2023-05-19 | 2023-05-19 | Automobile-used integrated injection moulding small-size aircraft bonnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220199426U true CN220199426U (en) | 2023-12-19 |
Family
ID=89150151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321261876.2U Active CN220199426U (en) | 2023-05-19 | 2023-05-19 | Automobile-used integrated injection moulding small-size aircraft bonnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220199426U (en) |
-
2023
- 2023-05-19 CN CN202321261876.2U patent/CN220199426U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |