CN109016421A - The manufacturing method of automobile interior decoration muting plate - Google Patents
The manufacturing method of automobile interior decoration muting plate Download PDFInfo
- Publication number
- CN109016421A CN109016421A CN201710426392.1A CN201710426392A CN109016421A CN 109016421 A CN109016421 A CN 109016421A CN 201710426392 A CN201710426392 A CN 201710426392A CN 109016421 A CN109016421 A CN 109016421A
- Authority
- CN
- China
- Prior art keywords
- manufacturing
- interior decoration
- muting plate
- automobile interior
- muting
- 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
- 238000005034 decoration Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000001746 injection moulding Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 5
- 239000007924 injection Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 9
- 229920000742 Cotton Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76585—Dimensions, e.g. thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The invention discloses a kind of manufacturing methods of automobile interior decoration muting plate, use PP raw material, prepare the muting plate using thin-walled injection moulding method, prepare resulting muting plate, wall thickness is in 0.8 ~ 2mm.The method parameter that wherein the thin-walled injection moulding method is related to is, 8 ~ 15mm of injection molded tube diameter, 2 ~ 3mm of gate diameter, filling time 1.2 ~ 1.8 seconds, dwell pressure is 75 ~ 85% stuffing pressures, pressure when injection moulding speed/pressure switching is 60 ~ 70Mpa, and melt temperature is 200 ~ 280 degree, and mold temperature is 40 ~ 80 degree.The manufacturing method of automobile interior decoration muting plate disclosed by the invention, for the interior trim muting plate prepared while meeting performance requirement, piece weight is lighter, and cost is relatively low.
Description
Technical field
The present invention relates to automobile interior decoration member arts, the especially manufacturing method of automobile interior decoration muting plate.
Background technique
In current general B grades of internal decoration of car, mute gadget can be all set to improve the perceived quality of automobile interior decoration.And it is quiet
Muting plate in sound gadget, function can be also setting other than decorating and covering wire harnesses and ride equal parts
Acoustical cotton provides support and depends on, to reduce interior noise.
It please refers to shown in Fig. 3, at present more commonly used muting plate 30 in the industry, is generally prepared by plastic material, wall thickness
Generally in 2.5mm ~ 3.0mm, for outer dimension in 400mmX610mm or so, acoustical cotton 20 is arranged in 350g or so in weight thereon.
This muting plate 30 together with the acoustical cotton 20 being arranged thereon generally can passenger side in the car and driver side be respectively arranged one.
Existing this muting plate is due to material and corresponding manufacturing method, so that its single heavier-weight,
And cost per unit is higher.
Summary of the invention
One aspect of the invention is to provide a kind of manufacturing method of automobile interior decoration muting plate, and the interior trim prepared is mute
For plate while meeting performance requirement, piece weight is lighter, and cost is relatively low.
For this purpose, the following technical solutions are proposed for one aspect of the invention:
A kind of manufacturing method of automobile interior decoration muting plate, the method use PP raw material, using described in the preparation of thin-walled injection moulding method
Muting plate prepares resulting muting plate, and wall thickness is in 0.8 ~ 2mm；The wherein method parameter packet that the thin-walled injection moulding method is related to
Include: injection molded tube 8 ~ 15mm of diameter, 2 ~ 3mm of gate diameter, the filling time 1.2 ~ 1.8 seconds, dwell pressure was 75 ~ 85% filling pressures
Power, pressure when injection moulding speed/pressure switches are 60 ~ 70Mpa, and melt temperature is 200 ~ 280 degree, and mold temperature is 40 ~ 80 degree.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
Melt temperature is 240 ~ 260 degree.It specifically can be 240 degree, 250 degree, 260 degree, 270 degree etc..
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
Mold temperature is 55 ~ 75 degree.It specifically can be 55 degree, 60 degree, 65 degree, 70 degree, 75 degree etc..
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
10 ~ 12mm of injection molded tube diameter.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
2.2 ~ 2.5mm of gate diameter.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
Filling time 1.4 ~ 1.6 seconds.It is preferred that 1.5 seconds.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein described
Pressure when injection moulding speed/pressure switching is 63 ~ 66Mpa.It specifically can be 63 Mpa, 64 Mpa, 65 Mpa, 66 Mpa etc.
Deng.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein working as pressure
Power is too big when needing to readjust pressure, and the dwell time is 3 ~ 6 seconds.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein working as note
After the completion of modeling, cooling time is 30 ~ 40 seconds.
Advantageously, the manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, wherein using
Injection molding machine tonnage be 470T.
The beneficial effect comprise that one aspect of the invention uses mobility preferably but the PP material of relative inexpensiveness
Material passes through thin-walled injection moulding method to prepare raw material, the muting plate prepared, while meeting performance requirement, wall thickness
Decline 60% or more, only 0.8mm or so relative to existing muting plate is optimal, not only mitigate in weight it is very much, but also due to
Using the reduction of material, many material costs are also correspondingly reduced.
In addition, the muting plate as prepared by manufacturing method of the present invention, moreover it is possible to meet repeated disassembled and assembled requirement, and its
It is more smooth in appearance, there is no weld trace, reprint books in a reduce format, overlap the defects of；Support can be also provided for acoustical cotton, and then further mentioned
Rise the performance for reducing noise.
Detailed description of the invention
Fig. 1 is that the interior trim of the manufacturing method preparation for the automobile interior decoration muting plate that an embodiment proposes according to the present invention is quiet
The structural schematic diagram of soundboard.
Fig. 2 is the cross-sectional view of interior trim muting plate shown in FIG. 1.
Fig. 3 is the structural schematic diagram of existing interior trim muting plate.
The reference numerals are as follows in Fig. 1 and Fig. 2.
| Muting plate | 10 | Acoustical cotton | 20 |
The reference numerals are as follows in Fig. 3.
| Muting plate | 30 | Acoustical cotton | 20 |
Specific embodiment
Below with reference to drawings and examples, to the manufacturing method for the automobile interior decoration muting plate that one aspect of the invention proposes
Technical solution be described in further detail.
The manufacturing method for the automobile interior decoration muting plate that an embodiment proposes according to the present invention, uses PP material for preparation
Raw material prepares the muting plate using thin-walled injection moulding method.
The method parameter being related in said embodiment include: melt temperature be 260 degrees Celsius, mold temperature is 60 to take the photograph
Family name's degree, dwell pressure are 80% stuffing pressure, injection molded tube diameter 10mm, gate diameter 2.5mm, filling time 1.5s.Injection molding speed
Pressure when degree/pressure switching needs to readjust pressure if the too big part of pressure is easy to appear overlap at this time for 64.64Mpa
Power, dwell time 4s.
Prepare muting plate part ejection when cubical contraction be 16.91%, cooling time 35s.The volume of soundboard is
177.5cm3, wall thickness 0.8mm, product projected area is 1571 cm2, actual parts deflection is 6.3mm, due to muting plate
Position is in instrument board bottom, and deflection is within an acceptable range.
The manufacturing method for the automobile interior decoration muting plate that one aspect of the invention proposes uses mobility preferably but cost phase
To cheap PP material, the muting plate prepared by thin-walled injection moulding method, while meeting performance requirement, wall thickness is opposite
Decline 60% or more, only 0.8mm or so in existing muting plate is optimal, not only mitigate in weight very much, but also also reduces
Many material costs.
In addition, the muting plate as prepared by manufacturing method of the present invention is also able to satisfy repeated disassembled and assembled requirement, and its
It is more smooth in appearance, there is no weld trace, reprint books in a reduce format, overlap the defects of；Support can be also provided for acoustical cotton, and then further mentioned
Rise the performance for reducing noise.
Technical scope of the invention is not limited solely to the content in above description, and those skilled in the art can not take off
Under the premise of from technical thought of the invention, many variations and modifications are carried out to above-described embodiment, and these deformations and modification should all
When within the scope of the present invention.
Claims (10)
1. a kind of manufacturing method of automobile interior decoration muting plate, which is characterized in that the method uses PP raw material, utilizes thin-walled injection moulding
Method prepares the muting plate, prepares resulting muting plate, wall thickness is in 0.8 ~ 2mm；Wherein the thin-walled injection moulding method is related to
Method parameter include:
8 ~ 15mm of injection molded tube diameter；
2 ~ 3mm of gate diameter；
Filling time 1.2 ~ 1.8 seconds；
Dwell pressure is 75 ~ 85% stuffing pressures；
Pressure when injection moulding speed/pressure switching is 60 ~ 70Mpa；
Melt temperature is 200 ~ 280 degree, and mold temperature is 40 ~ 80 degree.
2. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein melt
Temperature is 240 ~ 260 degree.
3. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein mold
Temperature is 55 ~ 75 degree.
4. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein injection molding
10 ~ 12mm of pipe diameter.
5. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein cast gate
2.2 ~ 2.5mm of diameter.
6. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein filling
Time 1.4 ~ 1.6 seconds.
7. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that the wherein injection molding
Pressure when velocity/pressure switches is 63 ~ 66Mpa.
8. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that wherein when pressure too
When needing to readjust pressure greatly, the dwell time is 3 ~ 6 seconds.
9. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that wherein when being molded
Cheng Hou, cooling time are 30 ~ 40 seconds.
10. a kind of manufacturing method of automobile interior decoration muting plate according to claim 1, which is characterized in that used in it
Injection molding machine tonnage is 470T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426392.1A CN109016421A (en) | 2017-06-08 | 2017-06-08 | The manufacturing method of automobile interior decoration muting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426392.1A CN109016421A (en) | 2017-06-08 | 2017-06-08 | The manufacturing method of automobile interior decoration muting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109016421A true CN109016421A (en) | 2018-12-18 |
Family
ID=64628631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426392.1A Pending CN109016421A (en) | 2017-06-08 | 2017-06-08 | The manufacturing method of automobile interior decoration muting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109016421A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441401A (en) * | 2014-11-04 | 2015-03-25 | 长春富维—江森自控汽车饰件***有限公司 | Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts |
| CN106696163A (en) * | 2016-12-29 | 2017-05-24 | 重庆理工大学 | Injection molding technique for automobile body panel and electric automobile fender |
-
2017
- 2017-06-08 CN CN201710426392.1A patent/CN109016421A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441401A (en) * | 2014-11-04 | 2015-03-25 | 长春富维—江森自控汽车饰件***有限公司 | Free-spraying metallic-luster injection molding process for car interior trim parts and exterior parts |
| CN106696163A (en) * | 2016-12-29 | 2017-05-24 | 重庆理工大学 | Injection molding technique for automobile body panel and electric automobile fender |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181218 |