CN204368055U - Sound-absorbing sound insulation damping water-proof part in auto body panel beating - Google Patents
Sound-absorbing sound insulation damping water-proof part in auto body panel beating Download PDFInfo
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- CN204368055U CN204368055U CN201420713242.0U CN201420713242U CN204368055U CN 204368055 U CN204368055 U CN 204368055U CN 201420713242 U CN201420713242 U CN 201420713242U CN 204368055 U CN204368055 U CN 204368055U
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Abstract
The utility model relates to sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating, comprise soft part noumenon, its shape vehicle body and sheet metal structural match, also comprise hard portion, described hard portion is arranged on bottom soft part noumenon, with soft part noumenon injection moulding composite molding, the face of joint of described hard portion and soft part noumenon and the angle of horizontal surface are 5-8 °, form guiding gutter.Compared with prior art, on the basis of the utility model conventional polyurethanes foaming, increase hard waterproof part, make part not only have sound-absorbing, sound insulation, shock-absorbing function, also there is waterproof, water guide function, improve automobile comfort.
Description
Technical field
The utility model relates to a kind of car body stamping part, especially relates to sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating.
Background technology
Along with the development of auto trade, client is no longer simple power and handling to the requirement of automobile, requirement for " safety, traveling comfort, the feature of environmental protection " to car is more and more higher, and noise, vibrations, humidity are one of major reasons causing degree of comfort decreased, therefore need to control.
Current AE personnel have done the technology upgrading of sound insulation vibration isolation in car to places such as ride-control, sound-heat insulated cushion, car internal sound insulation, vibration isolation carpet, vehicle body sticking glass, car roofs, the vibration in car passenger cabin and noise are effectively improved.But the cavity passage in body structure also can produce the noise with transmitting vibrations, this technical matters is not well solved all the time, and noise is sent to passenger accommodation by vehicle body sheet metal cavity, brings discomfort to passenger.In prior art, utilize bodywork cavity noise insulation block product at coating process process expanded by heating, thus blocking-up air alter the object leading to reach reduction noise mutually.But existing noise insulation block also exist soundproof effect not good, can not the deficiency such as waterproof.
Utility model content
The purpose of this utility model is exactly provide a kind of sound-absorbing damping effective to overcome defect that above-mentioned prior art exists, sound-absorbing sound insulation damping water-proof part in the auto body panel beating again with water-proof function.
The purpose of this utility model can be achieved through the following technical solutions:
Sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating, comprise soft part noumenon, its shape and vehicle body metal plate structure match, also comprise hard portion, described hard portion is arranged on bottom soft part noumenon, with soft part noumenon injection moulding composite molding, the face of joint of described hard portion and soft part noumenon and the angle of horizontal surface are 5-8 °, form guiding gutter.
Described soft part noumenon is provided with and the groove that vehicle body sheet metal connects and corresponding mounting hole.
Described soft part noumenon and the part of hard portion all for being made up of polyethers and isocyanate material.
Compared with prior art, the utility model has the following advantages:
1) the utility model is on the basis of ordinary soft polyurethane foam, compound last point of waterproof hard portion, making product when having sound-absorbing sound insulation damping, having waterproof, water guide function simultaneously, improve automobile comfort.
2) the panel beating matched of shape of the present utility model and automobile, energy actv. fills up the cavity of panel beating, carries sound-absorbing sound insulation damping effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is lateral plan of the present utility model;
Fig. 3 is schematic rear view of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1-Figure 3, the utility model embodiment provides sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating, comprise soft part noumenon 1, its shape and vehicle body metal plate structure match, hard portion 2 is also provided with bottom soft part noumenon 1, this hard portion 2 and soft part noumenon 1 injection moulding composite molding, the face of joint of hard portion and soft part noumenon and the angle of horizontal surface are 5 °, form guiding gutter.Soft part noumenon 1 is provided with and the groove 3 that vehicle body sheet metal connects and corresponding mounting hole 4, and soft part noumenon 1 back side is smooth side.Soft part noumenon 1 and the part of hard portion 2 all for being made up of polyethers and isocyanate material, wherein, soft part noumenon 1 has sound-absorbing, sound insulation, shock-absorbing function, and hard portion 2 has sound insulation, waterproof, water guide function.
The preparation method of above-mentioned sound-absorbing sound insulation damping water-proof part is as follows:
(1) utilize die heater, hard portion mold temperature is risen to 50 ~ 70 DEG C, and keep this temperature;
(2) polyethers, isocyanates are added respectively in the corresponding storing filling of high pressure foaming machine, wherein, the mass ratio of polyethers, isocyanates is 100: 120;
(3) mold release silicone is sprayed at hard portion die surface;
(4) setting high pressure foaming machine cast flow is 30 ~ 35g/s, and the duration of pouring is 1.1 ~ 1.3s, and the raw material in being filled with by storing injects die cavity;
(5) closed moulding: hard portion of closing mould, makes that raw material foams in die cavity, slaking, shaping, and wherein, mold temperature is 50 ~ 70 DEG C, and mold closing pressure is 0.3 ~ 0.4Mpa;
(6) open hard portion mould, take out and obtain the hard portion of waterproof;
(7) utilize die heater, component die temperature is risen to 70 ~ 80 DEG C, and keep this temperature;
(8) polyethers, isocyanates are added respectively in the corresponding storing filling of high pressure foaming machine, wherein, the mass ratio of polyethers, isocyanates is 100: 46;
(9) mold release silicone is sprayed on component die surface;
(10) setting high pressure foaming machine cast flow is 90 ~ 95g/s, and the duration of pouring is 2.7 ~ 3.0s, and the raw material in being filled with by storing injects die cavity;
(11) closed moulding: close component die, makes that raw material foams in die cavity, slaking, shaping, and wherein, mold temperature is at 70 ~ 80 DEG C, and mold closing pressure is at 0.3 ~ 0.4Mpa;
(12) open component die, take out and obtain automobile and send out sound-absorbing sound insulation damping water-proof part in panel beating.
Embodiment 2
Shown in figure 1-Fig. 3, the present embodiment provides sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating, and wherein, the face of joint of hard portion and soft part noumenon and the angle of horizontal surface are 8 °, forms guiding gutter.All the other are with embodiment 1.
Embodiment 3
Shown in figure 1-Fig. 3, the present embodiment provides sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating, and wherein, the face of joint of hard portion and soft part noumenon and the angle of horizontal surface are 7 °, forms guiding gutter.All the other are with embodiment 1.
Claims (2)
1. sound-absorbing sound insulation damping water-proof part in an auto body panel beating, comprise soft part noumenon, its shape and vehicle body metal plate structure match, it is characterized in that, also comprise hard portion, described hard portion is arranged on bottom soft part noumenon, with soft part noumenon injection moulding composite molding, the face of joint of described hard portion and soft part noumenon and the angle of horizontal surface are 5-8 °, form guiding gutter.
2. sound-absorbing sound insulation damping water-proof part in a kind of auto body panel beating according to claim 1, is characterized in that, described soft part noumenon is provided with and the groove that vehicle body sheet metal connects and corresponding mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713242.0U CN204368055U (en) | 2014-11-24 | 2014-11-24 | Sound-absorbing sound insulation damping water-proof part in auto body panel beating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713242.0U CN204368055U (en) | 2014-11-24 | 2014-11-24 | Sound-absorbing sound insulation damping water-proof part in auto body panel beating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204368055U true CN204368055U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420713242.0U Active CN204368055U (en) | 2014-11-24 | 2014-11-24 | Sound-absorbing sound insulation damping water-proof part in auto body panel beating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691326A (en) * | 2014-11-24 | 2016-06-22 | 上海新安汽车隔音毡有限公司 | Sound absorption and insulation, damping and water preventing part in automotive body metal plate, and manufacturing method thereof |
-
2014
- 2014-11-24 CN CN201420713242.0U patent/CN204368055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691326A (en) * | 2014-11-24 | 2016-06-22 | 上海新安汽车隔音毡有限公司 | Sound absorption and insulation, damping and water preventing part in automotive body metal plate, and manufacturing method thereof |
| CN105691326B (en) * | 2014-11-24 | 2017-09-05 | 上海新安汽车隔音毡有限公司 | Sound-absorbing sound insulation damping water-proof part and preparation method thereof in a kind of body of a motor car metal plate |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |