CN105730369A - Front wall damping mat for cab and manufacturing device and machining method of front wall damping mat - Google Patents
Front wall damping mat for cab and manufacturing device and machining method of front wall damping mat Download PDFInfo
- Publication number
- CN105730369A CN105730369A CN201610188975.0A CN201610188975A CN105730369A CN 105730369 A CN105730369 A CN 105730369A CN 201610188975 A CN201610188975 A CN 201610188975A CN 105730369 A CN105730369 A CN 105730369A
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- Prior art keywords
- puigging
- front wall
- absorbing layer
- sound absorbing
- damping mat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a front wall damping mat for a cab and a manufacturing device and a machining method of the front wall damping mat. By the adoption of the front wall damping mat for the cab and the manufacturing device and the machining method of the front wall damping mat, the problems that in the prior art, the sound insulation property of a front wall damping mat is poor, a large amount of vibration and noise generated in the idling process or in the driving process of an automobile are prone to being transferred into a cab, and accordingly discomfort is brought to a driver and passengers are mainly solved. The front wall damping mat for the cab comprises a first sound insulation layer, a first sound absorption layer and a second sound insulation layer, wherein the first sound insulation layer, the first sound absorption layer and the second sound insulation layer are sequentially connected through hot melting. A clutch master cylinder installation hole penetrating through the second sound insulation layer and a plurality of through holes used for being connected with automobile body components are formed in the first sound insulation layer. By the adoption of the scheme, the purpose of insulating vibration and noise is achieved, and the front wall damping mat for the cab and the manufacturing device and the machining method of the front wall damping mat have quite high practical value and popularization value.
Description
Technical field
The present invention relates to a kind of liners for automobiles, specifically, relate to a kind of cab front wall damping mat.
Background technology
In driver's cabin, front wall damping mat is due to the impact by technique, existing is generally made up of sound-absorbing material, substance puigging, sound-absorbing material or sound-absorbing material, substance puigging；Which kind of material no matter the automobile-used front wall damping mat of substance acoustical layer structure, use, and its soundproof effect is all poor；By mass law it is known that when the thickness of material doubles, its oise insulation factor only increases about 6dB, namely improving the thickness of puigging material, the lifting for sound insulation value is also very limited.
Existing front wall damping mat at automobile in idling or driving process, vibration and the noise in a large number that enging cabin produces, it is highly susceptible to being transferred in driver's cabin through this damping mat, making us uncomfortable vibration and noise thus bringing to driver and crew, having a strong impact on the comfortableness of automobile.
Summary of the invention
The problem to be solved in the present invention is that existing front wall damping mat sound insulation property is bad, and a large amount of vibrations and noise that automobile produces in idling or driving process easily pass in driver's cabin, bring discomfort to driver and crew.
In order to solve the problems referred to above, the present invention provides following technical scheme:
The first puigging that cab front wall damping mat includes being sequentially connected with by hot melt, the first sound absorbing layer, the second puigging；First puigging is provided with through the clutch general pump installing hole of the second puigging and multiple through hole for being connected with car body component.
Further, in the first puigging and the second puigging, the free side of at least one is connected to the second sound absorbing layer.
Specifically, the thickness range of the first puigging and the second puigging is 9-15mm.
Specifically, the first sound absorbing layer and the second sound absorbing layer are by PET felt, regenerated fiber felt Co+PET+PP or foaming PUR, any one is made.
Specifically, the first puigging and the second puigging are made by thermoplastic elastomer (TPE).
The manufacture method of cab front wall damping mat comprises the following steps:
A first sound absorbing layer and the second sound absorbing layer are passed through the first conveyer belt transmission by () successively, pass through Hot-blast Heating in the process transmitted；Successively by the conveyer belt transmission by the of the first puigging and the second puigging, heated by heat radiation in the process transmitted；
(b) first puigging, the first sound absorbing layer, the second puigging combination successively；Second sound absorbing layer, the first puigging, the first sound absorbing layer, the second puigging combination successively；First puigging, the first sound absorbing layer, the second puigging, the second sound absorbing layer combination successively；In above-mentioned three kinds of combinations, any one or more carries out compound in order.
Further, when the first sound absorbing layer or the second sound absorbing layer are made up of foaming PUR；After completing step (a), the first puigging and the second puigging are individually fixed on the upper and lower mould of PUR foaming mould；Then, closedown PUR foaming mould injection PUR opens PUR foaming mould and takes out cab front wall damping mat, make finished product finally by part is die-cut after completing foaming.
The device that manufactures of cab front wall damping mat includes the first conveyer belt for the first sound absorbing layer or the transmission of the second sound absorbing layer setting up and down and the second conveyer belt transmitted for the first puigging or the second puigging；The top of the first conveyer belt and the second conveyer belt is respectively equipped with hot-air blower and electric radiation plate；Hot-air blower and electric radiation plate can be produced hot blast and the replacement of thermal-radiating equipment by other respectively.
Further, the direction of transfer of the first conveyer belt and the second conveyer belt is identical；The outfan of the first conveyer belt is provided with PUR foaming mould.
Compared with prior art, the method have the advantages that in the present invention, the thickness range of the first puigging and the second puigging is 9-15mm, it is the thickness of existing puigging half, therefore the present invention is when keeping original material or pts wt to complete constant, achieve twice for noise alleviation, twice noise alleviation is included to the process absorbing sound and reflection sound, being greatly improved the sound insulation property of the present invention, the sound insulation of the present invention and resistance to shock are more than the sound insulation directly two-layer sound insulating pad combined and resistance to shock.
Accompanying drawing explanation
Fig. 1 is embodiment 1 structure schematic diagram.
Fig. 2 is structural representation Fig. 1 of embodiment 2.
Fig. 3 is structural representation Fig. 2 of embodiment 2.
Fig. 4 is the structural representation manufacturing device of cab front wall damping mat.
Fig. 5 is the defening effect contrast table of existing cab front wall damping mat and the present invention.
In above-mentioned accompanying drawing, the component names that accompanying drawing labelling is corresponding is as follows:
1-the first puigging, 2-the first sound absorbing layer, 3-the second puigging, 4-clutch general pump installing hole, 5-through hole, 6-the second sound absorbing layer, 7-the first conveyer belt, 8-the second conveyer belt, 9-hot-air blower, 10-electric radiation plate, 11-PUR foaming mould.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
As it is shown in figure 1, cab front wall damping mat includes first puigging the 1, first sound absorbing layer the 2, second puigging 3 being sequentially connected with by hot melt；First puigging 1 is provided with through the clutch general pump installing hole 4 of the second puigging 3 and multiple through hole 5 for being connected with car body component；.
Wherein, the thickness range of the first puigging 1 and the second puigging 3 is 9-15mm；Optimal thickness is 13mm；First sound absorbing layer 2 and the second sound absorbing layer 6 are by PET felt, regenerated fiber felt Co+PET+PP or foaming PUR, any one is made；First puigging 1 and the second puigging 3 are made by thermoplastic elastomer (TPE)；Thermoplastic elastomer (TPE) can be film.
Embodiment 2
Difference such as Fig. 2 and Fig. 3 the present embodiment Yu embodiment 1 is in that, in the first puigging 1 and the second puigging 3, the free side of at least one is connected to the second sound absorbing layer 6；Can choose whether according to actual needs to increase by the first puigging 1 or the second puigging 3.
The adoptable composition structure of the present invention has: sound absorbing layer, film, sound absorbing layer, film combine successively, and in this combination, sound absorbing layer is made up of PET felt or regenerated fiber felt Co+PET+PP；Sound absorbing layer, film, sound absorbing layer, film, sound absorbing layer combine successively, and in this combination, sound absorbing layer is made up of PET felt or regenerated fiber felt Co+PET+PP；First sound absorbing layer, film, the second sound absorbing layer, film combine successively, and in this combination, the first sound absorbing layer is made up of foaming PUR, and the second sound absorbing layer is made up of PET felt or regenerated fiber felt Co+PET+PP；First sound absorbing layer, film, the second sound absorbing layer, film, the second sound absorbing layer combine successively, and in this combination, the first sound absorbing layer is made up of foaming PUR, and the second sound absorbing layer is made up of PET felt or regenerated fiber felt Co+PET+PP；Film, the first sound absorbing layer, film combine successively, and in this combination, the first sound absorbing layer is made up of foaming PUR；Film, the first sound absorbing layer, film, the second sound absorbing layer combine successively, and in this combination, the first sound absorbing layer is made up of foaming PUR, and the second sound absorbing layer is made up of PET felt or regenerated fiber felt Co+PET+PP；Above-mentioned only list a part of combinative structure, it is possible to select other materials or other combinations.
The manufacture method of cab front wall damping mat is first transconversion into heat to the first sound absorbing layer, the second sound absorbing layer, the first puigging and the second sound insulation, then according to order carries out compound；Its concrete operating procedure is as follows:
First sound absorbing layer and the second sound absorbing layer are passed through the first conveyer belt transmission by 1.1 successively, pass through Hot-blast Heating in the process transmitted；Successively by the conveyer belt transmission by the of the first puigging and the second puigging, heated by heat radiation in the process transmitted；
1.2 first puiggings, the first sound absorbing layer, the second puigging combination successively；Second sound absorbing layer, the first puigging, the first sound absorbing layer, the second puigging combination successively；First puigging, the first sound absorbing layer, the second puigging, the second sound absorbing layer combination successively；In above-mentioned three kinds of combinations, any one or more carries out compound in order.
If the first sound absorbing layer or the second sound absorbing layer are made up of foaming PUR；Then after completing step 1.1, the first puigging and the second puigging are individually fixed on the upper and lower mould of PUR foaming mould；Then, closedown PUR foaming mould injection PUR opens PUR foaming mould and takes out cab front wall damping mat, make finished product finally by part is die-cut after completing foaming.
After completing said process, then complete the manufacture of the cab front wall damping mat needed.
As shown in Figure 4, the device that manufactures of cab front wall damping mat includes the first conveyer belt 7 for the first sound absorbing layer 2 or the transmission of the second sound absorbing layer 6 setting up and down and the second conveyer belt 8 transmitted for the first puigging 1 or the second puigging 3；The top of the first conveyer belt 7 and the second conveyer belt 8 is respectively equipped with hot-air blower 9 and electric radiation plate 10；Hot-air blower 9 and electric radiation plate 10 can be produced hot blast and the replacement of thermal-radiating equipment by other respectively.
Wherein, the first conveyer belt 7 is identical with the direction of transfer of the second conveyer belt 8；If the first sound absorbing layer 2 or the second sound absorbing layer 6 are made up of foaming PUR, then it is provided with PUR foaming mould 11 at the outfan of the first conveyer belt 7.
First sound absorbing layer 2 or second sound absorbing layer the 6, first puigging 1 or the second puigging 3 being heated by the present invention simultaneously, and have employed different mode of heatings for different materials, the relatively existing oven heating adopted of production efficiency is high；Existing one layer of puigging material is divided into two by the present invention, and in two soundproof layer central filler sound absorbing layer, becomes " double; two wall " structure；Improve the ability absorbing noise and vibration of the present invention.
Because in the present invention, the thickness range of the first puigging 1 and the second puigging 3 is 9-15mm, it is the thickness of existing puigging half, therefore the present invention is when keeping original material or pts wt to complete constant, achieve twice for noise alleviation, twice noise alleviation is included to the process absorbing sound and reflection sound, being greatly improved the sound insulation property of the present invention, the sound insulation of the present invention and resistance to shock are more than the sound insulation directly two-layer sound insulating pad combined and resistance to shock.
The sound insulation property of the present invention is substance Rotating fields increase about 20% relatively, significantly improves the noise level in driver's cabin, makes driver and crew more comfortable.
The oise insulation factor of the cab front wall damping mat in existing and the present invention has been contrasted by Fig. 5: broken line A is the sound transmission loss of cab front wall damping mat in the present invention；Broken line B is that existing cab front wall damping mat puts into sound transmission loss；From test result, grammes per square metre=5300 gram/m of the present invention, it is achieved that the defening effect higher than grammes per square metre=6600 gram/m of existing cab front wall damping mat.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is; under premise based on said structure design, for solving same technical problem, even if some making in the present invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it should also be as in protection scope of the present invention.
Claims (9)
1. a cab front wall damping mat, it is characterised in that: the first puigging (1) of including being sequentially connected with by hot melt, the first sound absorbing layer (2), the second puigging (3)；First puigging (1) is provided with through the clutch general pump installing hole (4) of the second puigging (3) and multiple through hole (5) for being connected with car body component.
2. cab front wall damping mat according to claim 1, it is characterised in that: the first puigging (1) and in the second puigging (3) the free side of at least one be connected to the second sound absorbing layer (6).
3. cab front wall damping mat according to claim 2, it is characterised in that: the thickness range of the first puigging (1) and the second puigging (3) is 9-15mm.
4. cab front wall damping mat according to claim 3, it is characterised in that: the first sound absorbing layer (2) and the second sound absorbing layer (6) are by PET felt, regenerated fiber felt Co+PET+PP or foaming PUR, any one is made.
5. cab front wall damping mat according to claim 4, it is characterised in that: the first puigging (1) and the second puigging (3) are made by thermoplastic elastomer (TPE).
6. the manufacture method of the cab front wall damping mat according to any one of claim 1-5, it is characterised in that: comprise the following steps:
A first sound absorbing layer and the second sound absorbing layer are passed through the first conveyer belt transmission by () successively, pass through Hot-blast Heating in the process transmitted；Successively by the conveyer belt transmission by the of the first puigging and the second puigging, heated by heat radiation in the process transmitted；
(b) first puigging, the first sound absorbing layer, the second puigging combination successively；Second sound absorbing layer, the first puigging, the first sound absorbing layer, the second puigging combination successively；First puigging, the first sound absorbing layer, the second puigging, the second sound absorbing layer combination successively；In above-mentioned three kinds of combinations, any one or more carries out compound in order.
7. the manufacture method of cab front wall damping mat according to claim 6, it is characterised in that: when the first sound absorbing layer or the second sound absorbing layer are made up of foaming PUR；After completing step (a), the first puigging and the second puigging are individually fixed on the upper and lower mould of PUR foaming mould；Then, closedown PUR foaming mould injection PUR opens PUR foaming mould and takes out cab front wall damping mat, make finished product finally by part is die-cut after completing foaming.
8. the manufacture device of cab front wall damping mat according to claim 7, it is characterised in that: include setting up and down the first conveyer belt (7) transmitted for the first sound absorbing layer (2) or the second sound absorbing layer (6) and the second conveyer belt (8) transmitted for the first puigging (1) or the second puigging (3)；The top of the first conveyer belt (7) and the second conveyer belt (8) is respectively equipped with hot-air blower (9) and electric radiation plate (10).
9. the manufacture device of cab front wall damping mat according to claim 8, it is characterised in that: the first conveyer belt (7) is identical with the direction of transfer of the second conveyer belt (8)；The outfan of the first conveyer belt (7) is provided with PUR foaming mould (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188975.0A CN105730369A (en) | 2016-03-29 | 2016-03-29 | Front wall damping mat for cab and manufacturing device and machining method of front wall damping mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610188975.0A CN105730369A (en) | 2016-03-29 | 2016-03-29 | Front wall damping mat for cab and manufacturing device and machining method of front wall damping mat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105730369A true CN105730369A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610188975.0A Pending CN105730369A (en) | 2016-03-29 | 2016-03-29 | Front wall damping mat for cab and manufacturing device and machining method of front wall damping mat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105730369A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521432A (en) * | 2017-08-23 | 2017-12-29 | 柳州市日海汽配有限责任公司 | Automotive trim sound insulating member |
| CN108953237A (en) * | 2018-07-24 | 2018-12-07 | 厦门百霖净水科技有限公司 | A kind of silent pump |
| CN109017611A (en) * | 2017-06-12 | 2018-12-18 | 福特全球技术公司 | Draw-off plug mass damper |
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| JP4439657B2 (en) * | 2000-02-09 | 2010-03-24 | 富士重工業株式会社 | Vibration isolation sound insulation |
| CN103339669A (en) * | 2011-01-26 | 2013-10-02 | 霓佳斯株式会社 | Sound-proof material and process for production thereof, sound-proof molding, and sound insulation method |
| CN203438952U (en) * | 2013-07-19 | 2014-02-19 | 北汽福田汽车股份有限公司 | Noise-insulation and heat-insulation pad and vehicle |
| CN104626594A (en) * | 2014-12-27 | 2015-05-20 | 长城汽车股份有限公司 | Production method of thermal insulating layer of front wall of automobile |
| CN104723983A (en) * | 2015-02-12 | 2015-06-24 | 重庆工商职业学院 | Automobile sound insulation pad and preparation method thereof |
| CN205498833U (en) * | 2016-03-29 | 2016-08-24 | 成都一汽四环汽车内饰件有限公司 | Enclose damping pad before driver's cabin and manufacturing installation thereof |
-
2016
- 2016-03-29 CN CN201610188975.0A patent/CN105730369A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4439657B2 (en) * | 2000-02-09 | 2010-03-24 | 富士重工業株式会社 | Vibration isolation sound insulation |
| CN103339669A (en) * | 2011-01-26 | 2013-10-02 | 霓佳斯株式会社 | Sound-proof material and process for production thereof, sound-proof molding, and sound insulation method |
| CN203438952U (en) * | 2013-07-19 | 2014-02-19 | 北汽福田汽车股份有限公司 | Noise-insulation and heat-insulation pad and vehicle |
| CN104626594A (en) * | 2014-12-27 | 2015-05-20 | 长城汽车股份有限公司 | Production method of thermal insulating layer of front wall of automobile |
| CN104723983A (en) * | 2015-02-12 | 2015-06-24 | 重庆工商职业学院 | Automobile sound insulation pad and preparation method thereof |
| CN205498833U (en) * | 2016-03-29 | 2016-08-24 | 成都一汽四环汽车内饰件有限公司 | Enclose damping pad before driver's cabin and manufacturing installation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017611A (en) * | 2017-06-12 | 2018-12-18 | 福特全球技术公司 | Draw-off plug mass damper |
| CN107521432A (en) * | 2017-08-23 | 2017-12-29 | 柳州市日海汽配有限责任公司 | Automotive trim sound insulating member |
| CN108953237A (en) * | 2018-07-24 | 2018-12-07 | 厦门百霖净水科技有限公司 | A kind of silent pump |
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Application publication date: 20160706 |
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